WO2009136507A1 - リンク情報生成装置、画像記録装置、画像再生装置、記録媒体、リンク情報生成方法、画像記録方法、画像再生方法、プログラム、及び集積回路 - Google Patents
リンク情報生成装置、画像記録装置、画像再生装置、記録媒体、リンク情報生成方法、画像記録方法、画像再生方法、プログラム、及び集積回路 Download PDFInfo
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- WO2009136507A1 WO2009136507A1 PCT/JP2009/002025 JP2009002025W WO2009136507A1 WO 2009136507 A1 WO2009136507 A1 WO 2009136507A1 JP 2009002025 W JP2009002025 W JP 2009002025W WO 2009136507 A1 WO2009136507 A1 WO 2009136507A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04N5/00—Details of television systems
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- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
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- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
- G11B27/322—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier used signal is digitally coded
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- H04N9/8047—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction using transform coding
Definitions
- the present invention relates to a link information generating device and a link information generating method for generating link information between a still image, a moving image and sound recorded on a portable recording medium, and an image recording device and an image for recording a still image, moving image and sound.
- the present invention relates to a recording method, and an image reproducing apparatus and an image reproducing method for reproducing recorded still images, moving images, and sounds.
- the image recording / playback apparatus stores still image data and moving image data with sound in different folders according to compression formats, and stores still image data.
- an apparatus for creating a link information file for associating the still image data with moving image data in a folder for creating moving image data has been proposed.
- FIG. 24 shows an example of a file structure created on a recording medium by such a device.
- DCIM Digital Camera Image
- VIDEO Folder
- DCIM Digital Camera Image
- DCF Design rule for Camera File system
- VIDEO is a parent folder for storing moving image files.
- a subfolder named “arbitrary character string” + three-digit number is created under this, and a moving image file is generated in this subfolder.
- the video file name is “arbitrary character string” + three-digit number +.
- MPG For example, a moving image file 502 such as “EFG002.MPG” is generated.
- a link information file 501 is generated in a folder for storing the moving image file 502.
- a link information file 501 such as “EFG001.lnk” is generated.
- “EFG001.lnk” records linkage information indicating the still image file 500. Accordingly, there is an effect that the association between the still image data and the moving image data can be facilitated, and functions such as file browsing in time series order can be realized (for example, refer to Patent Document 2).
- the recording medium recorded by this apparatus is converted to a conventional moving image recording standard having no link information file support function. If it is installed on a compliant playback device, there is a risk of malfunction.
- the link information file 501 exists in a folder for storing a moving image file. For this reason, a moving image playback apparatus that does not support the link information file 501 cannot recognize this file, and in the worst case, the folder structure itself for storing the moving image file may be regarded as a violation of the standard and cannot be played back.
- the present invention has been made in view of the above-described problem, and is a case where the processing for specifying a moving image file corresponding to a still image file is speeded up and reproduced by a reproducing apparatus having no link information file function.
- Another object of the present invention is to provide a link information generating device, an image recording device, an image reproducing device, a recording medium, a link information generating method, an image recording method, an image reproducing method, a program, and an integrated circuit that can prevent malfunction of the reproducing device.
- the link information generation device includes a first folder that holds still image data and still image files including still image shooting time information that is a shooting time of the still image data, and one or more each including moving image data.
- a moving image specifying unit that specifies a still image linked moving image shot in a time zone including the still image shooting time information of the still image data
- a position information acquisition unit for acquiring still image equivalent position information indicating a temporal position in the still image linked moving image corresponding to the still image shooting time information, still image identification information for identifying the still image data
- the link information including the moving image identification information for identifying the still image linkage moving image and the still image equivalent position information is generated, and the link information file including the link information is stored in the first and second in the recording medium.
- a link information generation unit for recording at a position not included in any of the folders.
- the link information generation device when the update date and time of the link information file is earlier than the update date and time of the still image file, the moving image specifying unit, the position information acquisition unit, and the link information generation unit You may provide the link information update control part which controls and updates the said link information file.
- the link information generation apparatus includes the link information reading unit that sequentially reads the link information included in the link information file, and the still image identification information for each of the link information sequentially read by the link information reading unit.
- the link information is stored in the link information file.
- a link information deleting unit for deleting from the link information.
- the link information generation device detects a deletion of the still image file by the still image file monitoring unit that monitors the still image file held in the first folder and the still image file monitoring unit. And a link information deletion unit that deletes the link information including the still image identification information corresponding to the still image file from the link information file.
- the moving image data is composed of a plurality of frames imaged at a predetermined time interval.
- the recording medium further holds a high-speed shooting auxiliary file that includes a one-to-one correspondence with each of the one or more moving image files and includes auxiliary frames imaged in a time zone between adjacent frames.
- 3 folders are recorded at positions that are not in an inclusive relationship with any of the first and second folders.
- the moving image specifying unit further specifies the high-speed shooting auxiliary file corresponding to the moving image file including the still image linkage moving image
- the link information generating unit is configured to specify the high-speed shooting auxiliary specified by the moving image specifying unit.
- the link information further including high-speed moving image identification information for identifying a file may be generated.
- the second folder has one-to-one correspondence with each of the one or more moving image files and includes one or more shooting start time information and shooting end time information of the moving image data included in the corresponding moving image file.
- Video recording information files are stored.
- the moving image specifying unit may specify the moving image data including the still image shooting time information in a time zone between the shooting start time information and the shooting end time information as the still image related moving image. .
- the still image shooting time information is the update date and time of the still image file.
- the shooting start time information is a recording start date and time of the moving image and a first frame PTS (Presentation Time Stamp) given to the first frame among a plurality of frames constituting the moving image data.
- the position information acquisition unit may acquire the still image equivalent PTS calculated based on the still image shooting time information, the recording start date and time, and the top frame PTS as the still image equivalent position information.
- the image recording apparatus records captured still image data and moving image data on a recording medium.
- an imaging unit that converts light into an electric signal
- a moving image recording unit that converts an electric signal output from the imaging unit into moving image data, and records a moving image file including the moving image data on the recording medium;
- the electric signal output from the imaging unit is converted into still image data at an arbitrary timing in the time zone in which the moving image data is recorded by the moving image recording unit, and a still image file including the still image data is converted into the still image file.
- a still image recording unit for recording on a recording medium; a position information acquisition unit for acquiring still image equivalent position information indicating a temporal position in the moving image data of the still image data recorded by the still image recording unit;
- the link information including still image identification information for identifying the still image data, moving image identification information for identifying a still image linked moving image that is the moving image data, and the still image equivalent position information Produced, and a link information generating unit that records link information file including the link information to the recording medium.
- the still image file is recorded in a first folder of the recording medium, and the moving image file is recorded in a second folder that is not included in the first folder of the recording medium, and the link information The file is recorded at a position not included in any of the first and second folders of the recording medium.
- link information file By recording the still image equivalent position information in the link information file as in the above configuration, it is possible to instantaneously identify and reproduce the portion corresponding to the still image data in the still image linked moving image. .
- link information file in a position not included in either the first folder or the second folder, there is a risk of malfunction even when the above recording medium is read by a device having no link information file support function. Absent. Note that the difference from the above link information generation apparatus is that link information can be generated in real time while still image data and moving image data are being captured.
- the image reproducing apparatus reproduces still image data and moving image data recorded on the recording medium described above.
- the still image reproduction unit that reproduces the still image data included in the still image file read from the recording medium, and the still image data of the still image data in response to a still image linkage video reproduction request from a user
- the link information including still image identification information is read from the link information file, and the still image identified by the moving image identification information included in the link information read by the link information reading unit.
- a video playback unit that plays back only the linked playback section including the still image equivalent position information of the linked videos.
- the linked playback section can be determined based on the still image equivalent position information as in the above configuration, the processing after receiving the still image linked video playback request can be greatly reduced compared to the conventional case. .
- the link information includes a reproduction flag indicating whether or not to reproduce the corresponding still image linked moving image.
- the video playback unit may play back the linked playback section only when information indicating playback is set in the playback flag of the link information. In this way, by setting “playback” or “unplayable” in the playback flag in advance, it is possible to skip playback of linked playback sections that are not interesting to the user.
- the link information reading unit sequentially reads the link information included in the link information file in response to a digest reproduction request from a user. Then, the moving image reproduction unit may reproduce only the cooperative reproduction section of the still image related moving image associated with the link information in the order read by the link information reading unit.
- the link information includes a digest playback flag indicating whether or not to perform digest playback of the corresponding still image linkage video.
- the video playback unit may play back the linked playback section only when information indicating playback is set in the digest playback flag of the link information.
- the moving image data is composed of a plurality of frames including an I frame encoded by intra prediction encoding and a P frame encoded by inter prediction encoding.
- the linked playback section uses the I frame closest to the position traced back as far as the first section in the still picture linked moving image starting from the still image equivalent position information as a playback start frame, and starts from the I frame. It may be a section in which a frame at a position advanced to the future by a second section that is larger than the first section is a playback end frame.
- the recording medium stores a high-speed shooting auxiliary file that has a one-to-one correspondence with each of the one or more moving image files and includes auxiliary frames imaged in a time zone between adjacent frames.
- a folder is recorded at a position that is not in an inclusive relationship with any of the first and second folders.
- the moving image reproduction unit reads the frame included in the cooperative reproduction section from the moving image file, and the high-speed photographing of the auxiliary frame imaged in a time zone between the reproduction start frame and the reproduction end frame.
- the frame read out from the auxiliary file and the read-out frame and the auxiliary frame may be rearranged in time series and reproduced.
- the recording medium includes a first folder that holds still image data and a still image file including still image shooting time information that is a shooting time of the still image data, and one or more moving images each including moving image data.
- a second folder holding the file and a link information file including link information that is information for associating the still image data with the moving image data are recorded.
- the first and second folders are recorded in a positional relationship that is not inclusive of each other, and the link information includes still image identification information that identifies the still image data, and each of the one or more moving image files.
- the moving image identification information for identifying the still image linked moving image shot in the time zone including the still image shooting time information of the still image data, and the still image shooting time information corresponding to the still image shooting time information It includes still image equivalent position information indicating a temporal position in the still image linked moving image, and is recorded at a position that is not included in any of the first and second folders.
- the playback device that has read the recording medium having the above configuration can instantly identify and play back the portion corresponding to the still image data in the still image linked moving image. Further, even when the above recording medium is read by a device having no link information file support function, there is no fear of malfunction.
- the link information generation method includes a first folder that holds still image data and a still image file including still image shooting time information that is a shooting time of the still image data, and one or more each including moving image data.
- a position information acquisition step for acquiring still image equivalent position information indicating a temporal position in the still image linked moving image corresponding to the still image shooting time information, still image identification information for identifying the still image data, The link information including the moving image identification information for identifying the still image linkage moving image and the still image equivalent position information is generated, and the link information file including the link information is stored in the first and second in the recording medium.
- a link information generating step for recording in a position not included in any of the folders.
- the image recording method records captured still image data and moving image data on a recording medium. Specifically, an imaging step for converting light into an electric signal, a moving image recording step for converting the electric signal output in the imaging step into moving image data, and recording a moving image file including the moving image data on the recording medium;
- the electric signal output in the imaging step is converted into still image data at an arbitrary timing in the time zone in which the moving image data is recorded in the moving image recording step, and a still image file including the still image data is converted into the still image file.
- a still image recording step for recording on a recording medium for recording on a recording medium; a position information acquisition step for acquiring still image equivalent position information indicating a temporal position in the moving image data of the still image data recorded in the still image recording step; Still image identification information for identifying the still image data, moving image identification information for identifying a still image linked moving image that is the moving image data, and the still image It generates the link information including placement information, and a link information generating step of recording the link information file including the link information to the recording medium.
- the still image file is recorded in a first folder of the recording medium, and the moving image file is recorded in a second folder that is not included in the first folder of the recording medium, and the link information The file is recorded at a position not included in any of the first and second folders of the recording medium.
- the image reproduction method reproduces still image data and moving image data recorded on the recording medium described above. Specifically, in response to a still image-related moving image reproduction request from a user, a still image reproduction step for reproducing the still image data included in the still image file read from the recording medium, the still image data
- the link information including the still image identification information is read from the link information file, and the still image identified by the moving image identification information included in the link information read in the link information reading step.
- a program according to the present invention includes a first folder that holds still image data and still image files including still image shooting time information that is a shooting time of the still image data, and one or more moving image files each including moving image data.
- a link information file including link information which is information for associating the still image data with the moving image data, on a recording medium recorded in a positional relationship that is not inclusive of the second folder holding Is executed by a computer.
- a position information acquisition step for acquiring still image equivalent position information indicating a temporal position in the still image linked moving image corresponding to the still image shooting time information, still image identification information for identifying the still image data, The link information including the moving image identification information for identifying the still image linkage moving image and the still image equivalent position information is generated, and the link information file including the link information is stored in the first and second in the recording medium.
- a link information generating step for recording in a position not included in any of the folders.
- An integrated circuit includes a first folder that holds still image data and a still image file including still image shooting time information that is a shooting time of the still image data, and one or more moving images each including moving image data.
- a link information file including link information which is information for associating the still image data with the moving image data, is recorded on a recording medium that is recorded in a positional relationship that is not inclusive of the second folder that holds the file. .
- a moving image specifying unit that specifies a still image linked moving image shot in a time zone including the still image shooting time information of the still image data
- a position information acquisition unit for acquiring still image equivalent position information indicating a temporal position in the still image linked moving image corresponding to the still image shooting time information, still image identification information for identifying the still image data
- the link information including the moving image identification information for identifying the still image linkage moving image and the still image equivalent position information is generated, and the link information file including the link information is stored in the first and second in the recording medium.
- a link information generation unit for recording at a position not included in any of the folders.
- the present invention can be realized not only as each of the above-described devices but also as an integrated circuit that realizes the function of each device, or as a program that causes a computer to execute such a function. Needless to say, such a program can be distributed via a recording medium such as a CD-ROM and a transmission medium such as the Internet.
- the information that directly associates the still image file and the moving image file with the recording medium in which the first folder that stores the still image file and the second folder that stores the moving image file are arranged in the same hierarchy By generating it at a location that is not included in either the first folder or the second folder, the video file name can be determined from the file name of the currently displayed still image file while complying with the conventional video or still image recording standard. There is an effect that it is possible to directly acquire the information of the reproduction location based on the link information file.
- FIG. 1 is a perspective view showing an external appearance of a recording / reproducing apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is a diagram showing an overview of the still image moving image linkage function according to Embodiment 1 of the present invention.
- FIG. 3A is a diagram showing a hardware configuration of the recording / reproducing apparatus according to Embodiment 1 of the present invention.
- FIG. 3B is a functional block diagram of the control unit in FIG. 3A.
- FIG. 4 is a diagram showing an example of a file structure recorded on the recording medium in Embodiment 1 of the present invention.
- FIG. 5 is a diagram showing a configuration example of a link information table stored in the link information file in Embodiment 1 of the present invention.
- FIG. 6 is a flowchart showing processing in which the recording / reproducing apparatus performs still image shooting from moving image shooting using the simultaneous shooting function.
- FIG. 7 is a diagram for explaining the processing content of the still image moving picture linkage function according to the first embodiment of the present invention.
- FIG. 8 shows a moving image using a still image moving image linkage function from a state where a still image file is reproduced / displayed based on a link information file stored in the recording medium when the recording medium is mounted on the recording / reproducing apparatus. It is a flowchart which shows the reproduction
- FIG. 9 is a flowchart showing a link information file correcting operation when a still image file stored in a recording medium is deleted when the recording medium is loaded in the recording / reproducing apparatus.
- FIG. 10 shows whether or not there is a link information file on the recording medium when the recording medium is loaded in the recording / reproducing apparatus. If there is no link information file, or if there is no file or between the link information and the still image file or moving image file, It is a 1st flowchart which shows the operation
- FIG. 11 shows whether or not there is a link information file on the recording medium when the recording medium is loaded into the recording / reproducing apparatus.
- FIG. 12 is a diagram showing an overview of the digest playback function in Embodiment 1 of the present invention.
- FIG. 13 is a diagram showing an example of a link information file corresponding to the digest playback function.
- FIG. 14 is a flowchart showing digest reproduction processing.
- FIG. 15 is a diagram illustrating a hardware configuration of the link information generation device according to Embodiment 1 of the present invention.
- FIG. 16 is a diagram showing a hardware configuration of the recording / reproducing apparatus in Embodiment 2 of the present invention.
- FIG. 17 is a diagram showing an outline of processing in the image signal processing unit, the first compression multiplexing unit, and the second compression multiplexing unit in Embodiment 2 of the present invention.
- FIG. 18 is a diagram showing an example of a file structure recorded on the recording medium according to Embodiment 2 of the present invention.
- FIG. 19 is a diagram illustrating a configuration example of a link information table stored in the link information file according to Embodiment 2 of the present invention.
- FIG. 20 is a diagram for explaining the relationship between files under the BDMV folder in the file structure of FIG.
- FIG. 21 is a diagram for explaining the relationship between the files under the BDMV folder and the files under the HIGHRATE folder in the file structure of FIG.
- FIG. 22 is a flowchart showing a playback process corresponding to high-speed shooting when playback is performed using a playlist instead of the still image moving picture linkage function.
- FIG. 23 shows whether or not there is a link information file on the recording medium when the recording medium is loaded in the recording / reproducing apparatus. If there is no link information file, or if there is no link information, the link information and still image file, normal moving image file, high-speed shooting assist It is a flowchart which shows the operation
- FIG. 24 is a diagram showing an example of a file structure created by a conventional recording / playback apparatus.
- Embodiment 1 the recording / reproducing apparatus 100 in Embodiment 1 of this invention is demonstrated, referring drawings.
- FIG. 1 is a perspective view showing an external appearance of a recording / reproducing apparatus 100 according to Embodiment 1 of the present invention.
- the recording / reproducing apparatus 100 records the captured still image file and moving image file on the recording medium 10.
- the still image file is recorded in a subfolder in the DCIM main folder set in advance by the DCF standard, which is a conventional standard for still image files.
- the moving image file is recorded in a subfolder in the MOVIE folder set in advance by the conventional moving image recording standard.
- the recording / reproducing apparatus 100 has a function of reproducing still image files and moving image files recorded on the recording medium 10. Further, the recording / reproducing apparatus 100 has a function of simultaneously shooting a still image file and a moving image file, that is, a function of shooting a still image file while shooting the moving image file and recording the still image file on the recording medium 10. Further, a function for reproducing only the vicinity of the shooting time of the displayed still image file among the moving image files shot in the time zone including the shooting time of the still image file read out and displayed from the recording medium 10 (hereinafter, This is referred to as a still image / video linkage function.)
- FIG. 2 is a diagram showing an outline of the still image moving image linkage function.
- the captured moving image data is recorded on the recording medium 10 as a moving image file 30, and at the same time, still image data captured using the simultaneous shooting function is recorded on the recording medium 10 as a still image file 21 and a still image file 22. Indicates the state. Still image data may be photographed independently without using the simultaneous photographing function.
- the still image file 23 includes still image data that has been shot alone and recorded on the recording medium 10.
- the still image file 21 when the still image file 21 is reproduced, it is displayed as a still image display screen 31 on the liquid crystal screen or a connected external display device.
- the still image files 21, 22, and 23 recorded on the recording medium 10 are sequentially reproduced by the operation of the user's button or the like or the slide show reproduction function, and are displayed in the order of the still image display screens 31, 32, and 33. .
- the still image display screens 31 and 32 on which the moving image file 30 that has been shot by the simultaneous shooting function and shot at the time including the shooting time of the still image files 21 and 22 exists
- icons 41 and 42 indicating that the image / video linkage function can be used are displayed. Note that this icon is not displayed on the still image display screen 33 of the still image file 23 photographed alone.
- the still image display screens 31, 32, and 33 do not need to be displayed as described here.
- the icons 41 and 42 are not displayed on the still image display screens 31 and 32, and instead, a message indicating that the simultaneous shooting function is not used may be displayed on the still image display screen 33. Absent.
- FIG. 3A is a diagram illustrating a hardware configuration of the recording / reproducing apparatus 100 according to the first embodiment.
- FIG. 3B is a functional block diagram of the control unit 110 in FIG. 3A.
- the recording / reproducing apparatus 100 includes a lens group 101, an imaging unit 102, an A / D conversion unit 103, an image signal processing unit 104, a still image compression multiplexing unit 130, a moving image compression multiplexing unit 105, a recording process, and the like.
- Unit 106, recording control unit 108, input unit 109, control unit 110, image generation unit 111, display unit 112, image signal processing unit 113, still image separation / expansion unit 131, moving image separation / expansion unit 114, reproduction processing unit 115, etc. Prepare.
- the lens group 101 is composed of a plurality of optical lenses.
- the imaging unit 102 includes an imaging element such as a CCD element, for example, and captures an image input via the lens group 101.
- the captured image is output to the A / D conversion unit 103 as an analog signal.
- the imaging device is not limited to a CCD element, and may be configured using a CMOS element.
- the A / D conversion unit 103 converts the analog signal output from the imaging unit 102 into a digital signal. Further, the digital signal obtained by the conversion is output to the image signal processing unit 104.
- the image signal processing unit 104 performs processing such as noise removal and image quality adjustment on the digital signal output from the A / D conversion unit 103.
- the still image signal is output to the still image compression multiplexing unit 130.
- a moving image signal is output to the moving image compression multiplexing unit 105.
- the image signal processing unit 104 is described as being configured to be capable of simultaneously outputting a still image signal and a moving image signal, but is not limited thereto.
- the same effect can be obtained even when the output of the moving image signal is stopped for a short time when the still image signal is output.
- the still image compression multiplexing unit 130 compresses the still image signal output from the image signal processing unit 104 based on a coding method such as a conventional still image compression standard such as the JPEG standard, and the image size, bit depth, etc. Multiplexed with attached information. Still image data obtained by multiplexing is output to the recording processing unit 106. Alternatively, the uncompressed RAW signal and the additional information may be multiplexed.
- the moving image compression multiplexing unit 105 converts the moving image signal output from the image signal processing unit 104 into MPEG-2 standard, which is a conventional compression standard, or H.264. It is compressed based on an encoding method such as the H.264 standard, and multiplexed with attached information or an audio signal.
- the multiplexing method is not particularly limited. For example, a multiplexing method such as MPEG-2 Systems TS (Transport Stream) or PS (Program Stream) can be employed. Also, the moving image data obtained by multiplexing is output to the recording processing unit 106.
- the recording processing unit 106 writes the still image data output from the still image compression multiplexing unit 130 and the moving image data output from the moving image compression multiplexing unit 105 to the recording medium 10 according to the file configuration set in each standard. . Further, when an operation signal for generating, updating, editing, or deleting a link information file is input from the control unit 110, the file operation designated by the operation signal is performed on the link information file recorded on the recording medium 10. I do.
- the recording control unit 108 controls a recording protocol such as a drive device for driving the recording medium 10 or a recording address input procedure.
- the input unit 109 accepts a user operation via an input device.
- the received user operation is output to the control unit 110 as operation information (such as “still image linked video playback request” and “digest playback request”).
- the user operation input to the input unit 109 is input using, for example, a touch pad input device, a pointing device, a tablet, or the like.
- the control unit 110 includes an image signal processing unit 104, a still image compression multiplexing unit 130, a moving image compression multiplexing unit 105, a recording processing unit 106, a recording control unit 108, an image generation unit 111, an image signal processing unit 113, and a still image separation / decompression unit. 131, the moving image separation / decompression unit 114 and the reproduction processing unit 115 are controlled to execute recording processing, reproduction processing, and the like in the recording / reproducing apparatus 100. For example, it may be configured by a CPU or the like that can execute software.
- the control unit 110 includes an internal memory capable of temporarily recording data.
- control unit 110 includes a recording control unit 1110, a reproduction control unit 1120, a link information control unit 1130, and a file monitoring unit 1140.
- the recording control unit 1110 includes a lens group 101, an imaging unit 102, an A / D conversion unit 103, an image signal processing unit 104, a still image compression multiplexing unit 130, a moving image compression multiplexing unit 105, a recording processing unit 106, and a recording control unit 108.
- the captured still image data and moving image data are recorded on the recording medium 10 and link information is written.
- a moving image recording unit 1111, a still image recording unit 1112, and a link information writing unit 1113 are provided.
- the moving image recording unit 1111 converts the electric signal output from the imaging unit 102 into moving image data, and records a moving image file including the moving image data on the recording medium 10.
- the still image recording unit 1112 converts the electric signal output from the imaging unit 102 into still image data, and records a still image file including the still image data on the recording medium 10.
- the link information writing unit 1113 writes the link information acquired from the link information control unit 1130 to the recording medium 10 as a link information file.
- the reproduction control unit 1120 controls the image generation unit 111, the display unit 112, the image signal processing unit 113, the still image separation / expansion unit 131, the moving image separation / expansion unit 114, the reproduction processing unit 115, and the like, and records them on the recording medium 10.
- the still image data and moving image data being played back are read and link information is read out.
- a moving image reproduction unit 1121, a still image reproduction unit 1122, and a link information reading unit 1123 are provided.
- the moving image reproducing unit 1121 reproduces moving image data included in the moving image file read from the recording medium 10 and displays it on the display unit 112.
- the still image reproduction unit 1122 reproduces still image data included in the still image file read from the recording medium 10 and displays it on the display unit 112.
- the link information reading unit 1123 reads link information from the link information file in response to a “still image linked video playback request” from the user. Alternatively, when it is detected that the recording medium 10 is newly loaded, it is confirmed whether or not a link information file is recorded. When it is detected that the link information file has already been recorded, the update date / time information and link information are read and output to the link information update control unit 1134 and the link information deletion unit 1135.
- the link information control unit 1130 controls the recording control unit 1110, the reproduction control unit 1120, and the file monitoring unit 1140 to generate, update, edit, and delete a link information file. Specifically, a moving image specifying unit 1131, a position information acquisition unit 1132, a link information generation unit 1133, a link information update control unit 1134, and a link information deletion unit 1135 are provided.
- the moving image specifying unit 1131 acquires information related to the start and end of shooting of moving image data from the moving image recording unit 1111 and information related to shooting of still image data from the still image recording unit 1112, and at the time when the still image data was shot.
- the moving image data being recorded is identified as a still image linked moving image.
- the moving image identification information of the still image linked moving image is output to the link information generating unit 1133. This means that among the moving image data included in each moving image file, the still image recorded in the still image file in the time zone between the shooting start time information and the shooting end time information recorded in the moving image file. This is equivalent to specifying moving image data including shooting time information as a still image linkage moving image.
- the position information acquisition unit 1132 acquires still image equivalent position information indicating a temporal position in the still image linked moving image corresponding to the still image shooting time information. Specifically, the following processing is performed.
- the moving picture recording unit 1111 records a PTS (Presentation Time Stamp) for managing the display time of the moving picture data together with the moving picture data on the recording medium 10 when the moving picture data is recorded. Therefore, the position information acquisition unit 1132 acquires the PTS being recorded from the moving image recording unit 1111. Also, the imaging information of the still image data is acquired from the still image recording unit 1112, the PTS of the moving image data corresponding to the time when the still image data was captured is acquired as the still image equivalent position information (still image equivalent PTS), and the link information The data is output to the generation unit 1133.
- PTS Presentation Time Stamp
- the still image shooting time information recorded in the still image file, the recording start date and time, the first frame PTS, etc. recorded in the moving image file are read from the recording medium 10, or the moving image recording unit 1111 and the still image recording are recorded. Obtained from the part 1112. Then, the position information acquisition unit 1132 may output, to the link information generation unit 1133, the still image equivalent PTS calculated using the following equation 2 as the still image equivalent position information.
- the link information generation unit 1133 includes still image identification information for identifying still image data acquired from the still image recording unit 1112, moving image identification information for identifying a still image linked moving image acquired from the moving image specifying unit 1131, and a position information acquisition unit 1132.
- Link information including the still image equivalent position information acquired from is generated and output to the link information writing unit 1113.
- the link information writing unit 1113 writes a link information file including the link information to the recording medium 10.
- the link information update control unit 1134 1131, the position information acquisition unit 1132 and the link information generation unit 1133 are controlled to update (recreate) the link information file.
- the link information deletion unit 1135 has still image identification information that matches the still image identification information included in the link information acquired from the link information reading unit 1123 in the still image identification information acquired from the still image file monitoring unit 1142. If not, the link information generation unit 1133 is controlled to delete the link information from the link information file.
- the link information generating unit 1133 When the moving image identification information that matches the moving image identification information included in the link information acquired from the link information reading unit 1123 does not exist in the moving image identification information acquired from the moving image file monitoring unit 1141, the link information generating unit 1133 The link information is deleted from the link information file.
- the link information generation unit 1133 is controlled to link information including moving image identification information corresponding to the moving image file to link information. Delete from file.
- the link information generation unit 1133 is controlled in response to detection of deletion of a still image file by a still image file monitoring unit 1142, which will be described later, and link information including still image identification information corresponding to the still image file. Is deleted from the link information file.
- the file monitoring unit 1140 controls the recording control unit 108, the reproduction processing unit 115, etc., and monitors the update status of the moving image file, the still image file, and the link information file recorded on the recording medium 10, and acquires necessary information. Read and output to the link information control unit 1130. Specifically, a moving image file monitoring unit 1141 and a still image file monitoring unit 1142 are provided.
- the moving image file monitoring unit 1141 detects that the recording medium 10 is newly installed, it checks whether a moving image file is recorded. When a moving image file is detected, the update date / time information and moving image identification information are read and output to the link information update control unit 1134 and the link information deletion unit 1135. In addition, the deletion of the moving image file is monitored, and when the deletion is detected, the deletion detection information and the moving image identification information of the deleted moving image file are output to the link information deleting unit 1135.
- the still image file monitoring unit 1142 When the still image file monitoring unit 1142 detects that the recording medium 10 is newly installed, the still image file monitoring unit 1142 confirms whether a still image file is recorded. When a still image file is detected, the update date / time information and still image identification information are read and output to the link information update control unit 1134 and the link information deletion unit 1135. The deletion of the still image file is monitored, and when the deletion is detected, the deletion detection information and the still image identification information of the deleted still image file are output to the link information deletion unit 1135.
- each functional block included in the control unit 110 is not limited to these.
- 3B shows an example in which each functional block is classified into the recording control unit 1110, the reproduction control unit 1120, the link information control unit 1130, and the file monitoring unit 1140, but the classification method is not limited to these.
- an image recording apparatus having only the recording control unit 1110 and the link information control unit 1130 may be used, or an image reproducing apparatus having only the reproduction control unit 1120, a link information writing unit 1113, and link information. It may be a link information generating apparatus having only the reading unit 1123, the link information control unit 1130, and the file monitoring unit 1140.
- the image generation unit 111 generates a menu image that can list still image files and moving image files recorded on the recording medium 10, icons that are multiplexed and displayed on the playback display screen, and the like.
- the display unit 112 displays the image signal output from the image signal processing unit 113 on a monitor or the like.
- the display unit 112 may be any device as long as it can display still image signals output from the still image separation / expansion unit 131 and moving image data output from the moving image separation / expansion unit 114.
- a PDP Plasma Display Panel
- a liquid crystal display an organic EL (Electro Luminescence), or the like may be used.
- the image signal processing unit 113 performs processing such as display image quality adjustment on the still image signal output by the still image separation / expansion unit 131 by expanding the still image data and outputs the still image signal to the display unit 112. Further, the moving image separation / decompression unit 114 performs processing such as display image quality adjustment on the moving image signal that is expanded and output the moving image data, and outputs it to the display unit 112. Further, if necessary, the menu image generated by the image generation unit 111 is used as it is, or the expanded still image signal output from the still image separation / expansion unit 131 or the expanded image output from the moving image separation / expansion unit 114. It is multiplexed with the moving image signal and output to the display unit 112 as an image signal.
- the still image separation / expansion unit 131 separates and expands the still image data output from the reproduction processing unit 115 based on an encoding method such as JPEG performed by the still image compression multiplexing unit 130.
- the still image signal obtained by the expansion is output to the image signal processing unit 113.
- the moving image separation / decompression unit 114 converts the moving image data output from the reproduction processing unit 115 to MPEG-2 or H.264 which has been performed by the moving image compression multiplexing unit 105. Based on an encoding method such as H.264, it is separated and expanded. The video signal obtained by the expansion is output to the image signal processing unit 113.
- the reproduction processing unit 115 reads a file to be reproduced from the recording medium 10 based on a reproduction signal of still image data or moving image data from the control unit 110 and reproduces the file. Specifically, the still image data to be reproduced is read from the recording medium 10 and output to the still image separation / expansion unit 131. Also, the moving image data to be reproduced is read from the recording medium 10 and output to the moving image separation / decompression unit 114. Note that the reproduction processing unit 115 is not limited to a configuration provided independently of the recording processing unit 106, and may be configured as a recording / reproduction processing unit having two functions.
- FIG. 4 is a diagram showing an example of a file structure recorded on the recording medium 10 in the first embodiment.
- the recording medium 10 includes a file configuration corresponding to the DCF standard for storing the still image file 70 and a file configuration corresponding to the conventional standard for storing the moving image file. Shall be provided.
- the still image file 70 is stored under the DCIM main folder (first folder) 401 as defined by the DCF standard.
- a subfolder having a name of three-digit number + “arbitrary character string” is created under the DCIM main folder 401, and a still image file 70 is generated therein.
- the file name of the still image file 70 is “arbitrary character string” + four-digit number +. It becomes JPG.
- This file modification date / time information includes date (YYYY: MM: DD, Y is a 4-digit number indicating Year, M is a 2-digit number indicating Month, D is a 2-digit number indicating Day), and time It consists of minutes and seconds (HH: MM: SS, H is a 4-digit number indicating Hour, M is a 2-digit number indicating Minute, and S is a 2-digit number indicating Second).
- This file modification date / time information indicates the shooting time of the still image file (still image shooting time information), unless edited after shooting.
- “101CDPFP” is provided as a subfolder and a still image file 70 (IMGA0011.JPG) compressed according to the JPEG standard is stored therein.
- Movie files (stream file 15, clip info file 14, playlist file 13), movie data, attached information such as PSI (Program Specific Information) and camera information, and audio signals are based on MPEG-2 Systems.
- the folder structure of the MOVIE main folder 402 has a thumbnail folder (THUMB) and a content folder (BDMV) in the lower hierarchy.
- the folder structure of the BDMV content folder includes an info file 11 (info), a menu file 12 (menu), a playlist folder (PLAYLIST), a clip info folder (CLIPINF), a stream folder (STREAM), and a backup folder (STREAM). BACKUP) and the like.
- the compressed moving image data is divided into fine packets and multiplexed with other information. Further, a PTS is assigned to each frame in order to manage the time for displaying each frame of the moving image data. This PTS is obtained by adding a value counted by a STC (System Time Clock) for managing a time axis as a time stamp.
- STC System Time Clock
- Management information of the entire BDMV content folder is recorded in the info file 11 (info) arranged in the lower hierarchy of the BDMV folder. Further, the menu file 12 (menu) includes information constituting the menu.
- a clip info file 14 (01000.clpi) and the like are stored under the clip info folder (CLIPINF).
- a time table that associates the position of the I frame (which can be read as “picture”, the same applies hereinafter) in the moving image file with time information is recorded. More specifically, in the time table, the packet number counted from the top of the file of the packet storing the top data of the I frame is associated with the PTS assigned to the I frame.
- a stream file 15 (01000.m2ts) and the like are stored under the stream folder (STREAM).
- the stream file 15 (01000.m2ts) includes AV data (moving image data).
- the stream file 15 has a one-to-one correspondence with information such as a time table included in the clip info file 14, and is collectively regarded as a unit called a clip.
- a playlist file 13 (01001.plst) and the like are stored under the playlist folder (PLAYLIST).
- the playlist file 13 (01001.plst) includes information on the playback order of the moving image file, a start frame PTS corresponding to the start frame 80 of the corresponding clip, and recording start date / time information (similar to the file change date / time information in the still image file 70). And the end frame PTS corresponding to the end frame 81 of the corresponding clip.
- This playlist file 13 is roughly divided into two types. One covers the entire clip information. The other is for controlling the playback order by connecting a plurality of clip portions for editing work. Note that the playlist file 13 in Embodiment 1 of the present invention is a playlist file that covers the information of the clip corresponding to the clip info file 14.
- the usage method under the backup folder (BACKUP) is left to the device to which the recording medium 10 is connected.
- BACKUP usage method under the backup folder
- info file 11 info
- menu menu file 12
- playlist folder PLAYLIST
- clip info folder CLIPINF
- the link information file 19 in which the still image data, the moving image data, and the shooting information when the still image data is shot is linked to a location different from the DCIM main folder 401 and the MOVIE folder 402 (DCIM main folder 401 and the MOVIE folder 402).
- a LINKCTL main folder is generated, and a link information file 19 (00000.link) is generated under the LINKCTL main folder.
- the link information file 19 records link information indicating link information between the still image file 70 stored in the DCIM main folder 401 and below and the moving image file stored in the MOVIE main folder 402. 5 is generated as a link information table as shown in FIG.
- Each link information (entry) in the link information table includes a still image file name 91, a moving image clip info file name 92, and a PTS of a moving image file corresponding to the time when the still image file was shot (hereinafter referred to as “still image equivalent PTS”). , And reproduction flag information 94 indicating whether or not to reproduce is included.
- This file change date / time information is composed of the same date and time (YYYY: MM: DD) and hour / minute / second (HH: MM: SS) as the file change date / time information of the still image file 70.
- the control unit 110 causes the DCIM main folder 401 shown in FIG. And a subfolder of the MOVIE main folder 402 and a LINKCTL folder. Since still image data and moving image data are not recorded at this time, there is no still image file 70, moving image playlist file 13, clip info file 14, stream file 15, or the like. Similarly, since no link information is generated, the link information file 19 does not exist.
- the recording / reproducing apparatus 100 While the recording / reproducing apparatus 100 is shooting moving image data from this state, the user operates the simultaneous shooting function to shoot still image data, and the moving image file including the moving image data and the still image including the still image data are captured. An operation when the image file 70 is recorded on the recording medium 10 will be described.
- FIG. 6 is a flowchart showing processing in which the recording / reproducing apparatus 100 performs still image shooting using the simultaneous shooting function during moving image shooting.
- Step S2000 The control unit 110 accepts a user's moving image shooting start operation via the input unit 109, and starts moving image shooting.
- Step S2001 The control unit 110 creates the moving image data stream file 15, the clip info file 14, and the playlist file 13 via the recording processing unit 106, and starts recording moving image data. Thereafter, the process proceeds to step S2002. At this time, the control unit 110 stores the file names of the stream file 15, the clip info file 14, and the playlist file 13 in the internal memory.
- Step S2002 The control unit 110 writes the recording start date / time information and the start frame PTS in the playlist file 13 via the recording processing unit 106. Thereafter, the process proceeds to step S2003.
- Step S2003 The control unit 110 determines whether or not the user has performed a still image simultaneous shooting operation via the input unit 109. If the still image simultaneous photographing operation is performed, the process proceeds to step S2010, and if not, the process proceeds to step S2004.
- Step S2004 The control unit 110 determines whether the user has performed a moving image shooting completion operation via the input unit 109. If the moving image shooting completion operation has been performed, the process proceeds to step S2005. If not, the user operation determination in steps S2003 and S2004 is repeated.
- Step S2005 The control unit 110 completes the recording of the moving image data. Thereafter, the process proceeds to step S2006.
- Step S2006 The control unit 110 writes the end frame PTS in the playlist file 13 via the recording processing unit 106. Then, the image recording process is terminated (step S2007).
- Step S2010 Upon receiving the user's simultaneous still image shooting operation in Step S2003, the control unit 110 performs link information addition processing from Step S2010 to Step S2013. First, the control unit 110 captures still image data, and simultaneously stores the moving image PTS at the time of capturing in the internal memory as a still image equivalent PTS. Thereafter, the process proceeds to step S2011.
- Step S2011 The control unit 110 creates a still image file 70 and writes still image data. Thereafter, the process proceeds to step S2012. At this time, the control unit 110 stores the file name of the still image file 70 in the internal memory.
- Step S2012 The control unit 110 writes the file change date / time information in the additional information of the still image file 70. Thereafter, the process proceeds to step S2013.
- Step S2013 The control unit 110 creates the link information file 19 via the recording processing unit 106. Then, link information including the still image file name 91, the moving image clip info file name 92, the still image equivalent PTS 93, and the reproduction flag information 94 is written into the link information file 19. Then, it progresses to step S2004 and returns to the user operation determination loop of step S2003 and step S2004. At this time, a flag value “1” indicating reproduction is set as a default value in the reproduction flag information 94.
- the link information file 19 is created and the link information is added.
- the DCIM main folder 401 (first folder) including a still image folder for storing still image files
- the MOVIE main folder 402 including a moving image folder for storing moving image files.
- (Second folder) is the file name of the still image file 70, the file name of the moving image clip info file 14 at the time when the simultaneous shooting is performed on the recording medium 10 arranged in the same hierarchy, the still image equivalent PTS,
- the reproduction flag information can be collectively generated as one link information (entry) of the link information file 19.
- the link information file 19 which does not exist in the conventional standard for moving image recording or the conventional standard for still image recording is stored in the DCIM main folder 401 (still image folder) and the MOVIE main folder 402 (moving image folder) on the recording medium 10. Therefore, even if it is attached to a moving picture recording apparatus or a still picture recording / reproducing apparatus that supports only the conventional standard, no malfunction occurs.
- This also extracts the playback position of the video data corresponding to the still image data being played back, extracts the corresponding link information from the link information file 19 using the still image file name as a key, and the video clip info file name of the link information 92 and the still image equivalent PTS 93 can be directly specified, so that it is possible to perform high-speed file search processing.
- the number of lines in the link information table of FIG. 5 only increases. That is, unlike the prior art, there is no need to search for a moving image file or additional information from information added to still image data every time processing is performed to specify a moving image position.
- the link information file 19 has been described as setting “1”, which means reproduction, using the reproduction flag information 94 as a default value.
- “0 (reproduction) It is also possible to adopt a configuration in which it is possible to select and set “Improper)” or “1 (Playback)”.
- the reproduction flag information 94 in the link information file 19 it is possible to edit whether or not to reproduce individual scenes when reproducing a moving image file. That is, there is an effect that it is possible to skip and reproduce a scene that is shot simultaneously with still image data but is not so interesting as moving image data.
- the purpose of intentionally skipping and reproducing a moving image portion (cooperative playback section) in which still image data is simultaneously captured can be realized simply by deleting the corresponding link information from the link information file 19.
- this method when it is detected in the consistency check and restoration operation described later that the still image file 70 exists but there is no corresponding link information, it is intentionally deleted for the purpose of skipping it. It is not possible to distinguish whether it is a discrepancy or a mismatch caused by recording with a device that does not support the still image moving image linkage function.
- skipping due to the user's intention is recorded as “0” indicating that reproduction cannot be performed as the reproduction flag information 94, so that only inconsistency that occurs regardless of the user's intention can be accurately repaired. .
- the reproduction flag information 94 is provided here, and when a digest reproduction function described later is installed, a digest reproduction flag 95 (not shown in FIG. 5) can be additionally provided. Accordingly, it is possible to separately specify a setting for whether or not to reproduce as digest reproduction and a setting for whether or not to reproduce with the still image moving image linkage function.
- the configuration of the first embodiment can be realized with a small processing load.
- the link information file 19 may be configured not to include the reproduction flag information 94.
- the link information file 19 is not stored in the LINKCTL main folder in the same hierarchy as the DCIM main folder 401 and the MOVIE main folder 402, but is stored in a form juxtaposed with the DCIM main folder 401 and the MOVIE main folder 402 immediately below the root folder. It doesn't matter. In this case, when the recording medium 10 is inserted into the recording / reproducing apparatus 100, it is not necessary to determine whether or not the LINKCTL main folder exists in the recording medium 10, so that the processing amount of the recording / reproducing apparatus 100 can be reduced. The effect which becomes.
- the folder structure included in the recording medium 10 according to the first embodiment of the present invention corresponds to the folder structure in the recording format corresponding to the conventional standard for recording still image data and the conventional standard for recording moving image data. Any format format may be used as long as it has a folder structure in the recording format.
- the link information file 19 is not limited to the data structure of the table format, but the still image file name 91, the movie clip info file name 92, and the still image of the movie file corresponding to the time when the still image file was shot. Any data format may be used as long as the image equivalent PTS 93 has a one-to-one correspondence.
- the link information file 19 may include a file change date / time information of a still image file instead of the still image equivalent PTS 93.
- information other than time information for example, a packet number
- information may be used as long as it is information (still image equivalent position information) indicating a temporal position in moving image data corresponding to the shooting time of still image data. Good.
- moving image files stored in the MOVIE folder 402 in the recording medium 10 are MPEG-2 and H.264. It is assumed that compression is performed based on an encoding method such as H.264. That is, the moving image data included in the moving image file includes I frames 50, 51, 52, 53, 54, 55, 56, 57, 58, 59 that have been subjected to intra prediction encoding (intra frame encoding), and inter prediction. Encoded P-frames (P-frames and B-frames).
- the recording / reproducing apparatus 100 cannot start the expansion process from any frame of the moving image file, and is generally an intra-frame encoded frame called an I frame.
- the decompression process can be started only from.
- the recording / playback apparatus 100 determines a linked playback section starting from the still picture equivalent PTS 61 of the still picture file 21.
- the still image file 21 shown in FIG. 7 corresponds to the still image file 70 (IMGA0012.JPG) in the link information table included in the link information file 19 shown in FIG.
- FIG. 8 shows still image moving image linkage from a state in which the still image file 21 is reproduced / displayed based on the link information file 19 stored in the recording medium 10 when the recording medium 10 is loaded in the recording / reproducing apparatus 100. It is a flowchart which shows the reproduction
- Step S3001 First, the control unit 110 plays back and displays the still image file 70 shown in FIG. Thereafter, the process proceeds to step S3002. At this time, the control unit 110 stores the file name of the still image file 21 in the internal memory.
- Step S3002 The control unit 110 determines whether or not the user has performed a still image moving image cooperation function operation via the input unit 109. If the still image / video linkage function operation has been performed, the process proceeds to step S3010; otherwise, the process proceeds to step S3003.
- Step S3003 The control unit 110 determines whether the user has performed a still image display completion operation via the input unit 109. If the still image display completion operation has been performed, the still image display is completed (step S3004). If not, the process returns to step S3001, and the process is repeated from the point where the next still image file is reproduced / displayed. .
- Step S3010 When the control unit 110 detects that the user has instructed the start of the still image moving image linkage function in step S3002, the control unit 110 executes the still image moving image linkage reproduction processing in steps S3010 to S3012. To do. First, the control unit 110 reads the link information file 19 (00000.link) under the LINKCTL main folder via the reproduction processing unit 115. Based on the file name (IMGA0011.JPG) of the still image file 70 being reproduced, the file name (012000.clpi) of the movie clip info file 14 is selected from the item of movie clip info file name 92 of the link information file 19. Then, the still image equivalent PTS 61 (0x00003003) is acquired from the item of the still image equivalent PTS 93. Thereafter, the process proceeds to step S3011.
- the link information file 19 (00000.link) under the LINKCTL main folder via the reproduction processing unit 115. Based on the file name (IMGA0011.JPG) of the still image file 70 being reproduced, the file name (012000.
- Step S3011 The control unit 110 reads the moving image clip info file 14 so that the stored time table can be searched. As described above, in the time table, the packet number counted from the file head of the packet in which the head data of the I frame is stored is associated with the PTS assigned to the I frame.
- the control unit 110 determines a predetermined linked playback section based on the still image equivalent PTS 61 as shown in FIG. Specifically, the I frame 54 closest to the position retroactive to the past in the moving image data starting from the still image equivalent PTS 61 is set as the reproduction start frame, and the packet number of the reproduction start frame is acquired. Further, a frame 57 at a position advanced from the I frame 54 to the future by a second section 63 that is larger than the first section 62 is set as a playback end frame, and the packet number of the playback end frame is acquired.
- the first and second sections 62 and 63 may be time information (for example, 3 seconds, 6 seconds, or the like), or may be the number of frames or the number of packets.
- Step S3012 the control unit 110 plays back and displays the stream file 15 corresponding to the video clip info file 14 (02000.clpi) through the playback processing unit 115 only in the acquired linked playback section. Thereafter, the process returns to step S3003.
- the DCIM main folder 401 including a still image folder that stores the still image file 70
- the MOVIE folder 402 including the moving image folder that stores the moving image file
- the link information file The LINKCTL folder including 19 can reproduce a moving image file using the still image moving image linkage function with respect to the recording medium 10 arranged in the same hierarchy.
- the recording / reproducing device 100 stores the still image equivalent PTS 61 (0x00001050009) corresponding to the still image file 70 (IMGA0011.JPG) being reproduced. Obtained from the link information file 19. Next, from the acquired still image equivalent PTS 61, the packet number of the I frame 54 having the PTS value of the foremost object in the range that goes back the time table by the predetermined first section 62 is acquired. Then, the moving image file is reproduced from the acquired packet number to the position advanced in the future by the second section 63.
- the linked reproduction section to be reproduced can be calculated and reproduced from the link information table shown in FIG. 5 and the time table in the clip info file 14. Is possible.
- the packet number is included in the link information table of FIG. 5 and the packet number of the I frame is directly written into the link information table when simultaneous shooting is performed. You may do it. In this case, there is an effect that the processing time until the moving image reproduction is started is shortened by the amount of not searching the time table.
- FIG. 9 is a flowchart showing the correction operation of the link information file 19 when the still image file 70 stored in the recording medium 10 is deleted when the recording medium 10 is loaded in the recording / reproducing apparatus 100.
- Step S4001 First, when the control unit 110 detects an operation signal for deleting a still image file via the input unit 109, the control unit 110 determines whether or not the link information file 19 (00000.link) exists in the recording medium 10. . If the link information file 19 exists, the process proceeds to step S4002. If not, the operation is terminated as it is.
- Step S4002 the control unit 110 determines whether or not the link information with the file name of the deleted still image file 70 as a key is included in the link information file 19. If the link information is included in the link information file 19, the process proceeds to step S4003. If not, the operation is terminated as it is.
- Step S4003 link information related to the deleted still image file 70 is deleted from the link information file 19, and the operation ends. For example, in FIG. When it is detected that JPG has been deleted, the bottom line is deleted.
- FIG. 10 and 11 confirm whether or not the link information file 19 exists in the recording medium 10 when the recording medium 10 is loaded in the recording / reproducing apparatus 100.
- 4 is a flowchart illustrating an operation of repairing the link information file 19 when there is a mismatch between the image file or the link information and the moving image file.
- Step S1000 For example, the recording / reproducing apparatus 100 starts this process immediately after the start-up process is completed.
- Step S1001 The recording / reproducing apparatus 100 detects whether or not the recording medium 10 in which the DCIM main folder 401 and the MOVIE folder 402 are arranged in the same hierarchy is loaded. If it is detected that the device is attached, the process proceeds to step S1002.
- Step S1002 The recording / reproducing apparatus 100 detects whether or not the LINKCTL main folder exists in the recording medium 10. If the folder exists, the process proceeds to step S1004. On the other hand, if there is no LINKCTL main folder, the folder is created (step S1003), and the process proceeds to step S1009.
- Step S1004 it is detected whether the link information file 19 exists under the LINKCTL main folder. If the link information file 19 exists, the process proceeds to step S1005. On the other hand, if there is no link information file 19, the process proceeds to step S1009.
- Step S1005 the control unit 110 reads the file modification date / time information from the additional information of the link information file 19 via the reproduction processing unit 115. Thereafter, the process proceeds to step S1006.
- Step S1006 the control unit 110 reads the file modification date / time information from the additional information of the still image file 70 via the reproduction processing unit 115. Thereafter, the process proceeds to step S1007.
- Step S1007 The control unit 110 compares the file change date and time information between the link information file 19 and the still image file 70. If the file change date / time information of the link information file 19 is older than the file change date / time information of the still image file 70, the process proceeds to step S1010, and if new, the process proceeds to step S1008.
- Step S1008 The control unit 110 repeats Steps S1006 and S1007 for each still image file 70, and when the processing of all the still image files 70 is completed, the process proceeds to the processing of FIG. 11 (Step S1017).
- Step S1009 When there is no link information file 19, the control unit 110 creates the link information file 19. Thereafter, the process proceeds to step S1010.
- Step S1010 The control unit 110 reads the playlist file 13 in order from the smallest file number via the reproduction processing unit 115, and performs the loop processing from step S1010 to step S1016.
- the recording start date / time information, the start frame PTS, and the end frame PTS are read from the playlist file 13.
- the recording end date / time information in units of seconds in the moving image data stored in the MOVIE main folder 402 is calculated by Equation 1. Thereafter, the process proceeds to step S1011.
- the method of reading the playlist file 13 by the control unit 110 via the reproduction processing unit 115 may be configured to read in order from the file with the largest file number.
- Step S1011 the control unit 110 reads the file modification date / time information from the additional information of the still image file 70 via the reproduction processing unit 115. Thereafter, the process proceeds to step S1012. Note that the information read in step S1006 may be stored in a memory or the like and used.
- Step S1012 The control unit 110 records the recording start date / time information read in step S1010, the recording end date / time information calculated in step S1010, and the file change date / time of the still image file 70 read in step S1011. By associating with the information, it is determined whether or not the clip corresponding to the playlist file 13 includes the shooting time of the still image file 70. If it is determined that the file is included, the process proceeds to step S1013. If it is determined that the file is not included, the process returns to step S1011 for the next still image file 70 to perform processing.
- Step S1013 The control unit 110 calculates the still image equivalent PTS corresponding to the file change date / time information of the still image file 70 from the expression 2 via the recording processing unit 106. Thereafter, the process proceeds to step S1014.
- Step S1014 The control unit 110 calculates the still image equivalent PTS (0x001050009) calculated in step S1013, the file name of the still image file 70 (IMGA0011.JPG), and the file name of the clip info file 14 of the moving image file (01000). .Clpi) and reproduction flag information 94 are generated as link information of the link information file 19.
- the reproduction flag information 94 a flag value “1” indicating reproduction is used as a default value, or is set in advance on a menu screen or the like.
- Step S1015 the entry generation processing from Step S1011 is repeatedly performed on the still image file 70 included in the DCIM main folder 401.
- Step S1016 When the entry generation process is performed for all the playlist files 13, the generation of the link information file 19 and the addition process of the insufficient link information are terminated, and the process proceeds to the process of FIG. 11 (Step S1017).
- FIG. 11 is a flowchart showing processing for deleting link information for which the corresponding still image file 70 and moving image file do not exist in response to the generation of the link information file 19 and the addition processing of insufficient link information performed in FIG. .
- Step S1021 The control unit 110 reads the link information file 19, and reads the still image file name 91, the moving image clip info file name 92, and the still image equivalent PTS 93. Thereafter, the process proceeds to step S1022.
- Step S1022 The control unit 110 searches the still image file 70 under the DCIM main folder 401 for whether the same file as the still image file name 91 read in step S1021 exists. It is determined whether there is a corresponding file (step S1023). If there is, the process proceeds to step S1024, and if there is not, the process proceeds to step S1028.
- Step S1024 The control unit 110 searches the clip info file 14 under the MOVIE main folder 402 for the same file as the moving picture clip info file name 92 read out in step S1021. It is determined whether there is a corresponding file (step S1025). If there is, the process proceeds to step S1026, and if not, the process proceeds to step S1028.
- Step S1026 The control unit 110 searches the time table of the clip info file 14 having the file name read in step S1021 for a PTS corresponding to the still image equivalent PTS read in step S1021. It is determined whether or not there is a corresponding PTS (step S1027). If there is a corresponding PTS, it is determined that the link information read in step S1021 is valid, and the process proceeds to step S1029. If not, the process proceeds to step S1028. move on.
- Step S1028 When it is determined in Step S1023, Step S1025, and Step S1027 that there is no corresponding file name or PTS value, the control unit 110 deletes the link information from the link information file 19. Thereafter, the process proceeds to step S1029.
- Step S1029 the processing from step S1021 is sequentially repeated for each link information of the link information file 19.
- step S1030 the consistency check / restoration process of the link information file 19 is terminated.
- the attached recording medium 10 is in a state where the link information file 19 that correctly reflects the contents of the DCIM main folder 401 and the MOVIE folder 402 at the time of attachment is recorded.
- the recording / reproducing apparatus 100 When the recording medium 10 in which the still image file 70 and the moving image file are already stored is loaded, the recording / reproducing apparatus 100 having the above configuration reads file change date / time information indicating the shooting time from the additional information of the still image file 70. . Next, the recording end date / time information of the moving image is calculated from the recording start date / time information, the start frame PTS, and the end frame PTS included in the playlist file 13.
- the clip corresponding to the playlist file 13 includes the shooting time of the still image file 70 from the recording start date and time information, the recording end date and time information, and the still image file change date and time information.
- a still image equivalent PTS corresponding to the file change date / time information of the still image file 70 is calculated.
- the calculated still image equivalent PTS 93, the still image file name 91, the moving image clip info file name 92, and the reproduction flag information 94 are collectively generated or edited as one link information of the link information file 19.
- the recording / reproducing apparatus 100 may include a start button or the like for receiving an instruction to start generation or repair of the link information file 19 from the user.
- a start button for receiving an instruction to start generation or repair of the link information file 19 from the user.
- the start button is operated by the user, it is determined whether or not the recording medium 10 is loaded as shown in the flowcharts of FIGS. If the recording medium 10 is loaded, the configuration may be such that steps S1002 to S1029 are executed. Thereby, the link information file 19 can be generated or repaired at an arbitrary time designated by the user.
- the recording / reproducing apparatus 100 can cope with a digest reproduction function of reproducing only a desired scene by sequentially reproducing the linked reproduction sections and skipping the sections in between. This example will be described below.
- FIG. 12 is a diagram showing an overview of the digest playback function.
- the shooting times of the still image files 21 and 22 that are simultaneously shot while shooting the moving image file 30 are considered to be a time zone in which the content that the user wants to see as the moving image file 30 is included. Therefore, in the video file 30, the time zone before and after the simultaneous shooting, that is, the linked playback section is sequentially played back, and the digest playback function for playing back only the desired scene by skipping the section between them is realized. Is possible.
- the reproduction flag information 94 is provided in the link information table of FIG.
- the reproduction flag information 94 is always set to a value indicating “reproduction” (here, “1”).
- digest information can be realized by acquiring link information whose reproduction flag information 94 is “1” and sequentially reproducing the same in the same procedure as in FIG.
- a digest reproduction flag 95 may be separately provided in addition to the link information table of FIG.
- the reproduction flag information 94 is a dedicated flag for editing whether or not each scene is reproduced when reproducing a moving image file, and it is possible to separately set whether or not to perform digest reproduction. There is an effect.
- FIG. 14 shows a flowchart corresponding to this digest reproduction.
- description will be made on the assumption that the link information table shown in FIG. 5 is used.
- Step S5001 First, the control unit 110 reads the link information file 19 (00000.link) under the LINKCTL main folder via the playback processing unit 115, and stores the video clip info file stored in the top link information.
- the name 92 (01000.clpi), the still image equivalent PTS 93 (0x001050009), and the reproduction flag information 94 (0) are acquired. Thereafter, the process proceeds to step S5002.
- Step S5002 The control unit 110 confirms the value of the reproduction flag information 94. If “1” indicates reproduction, the control unit 110 proceeds to step S5010. If “0” indicates that reproduction is not possible, the control unit 110 proceeds to step S5003.
- Step S5003 If the reading of all link information has not been completed, the control unit 110 returns to Step S5001 and reads the next link information. On the other hand, if the reading of all link information has been completed, the digest reproduction process is completed (step S5004).
- step S5003 Since all link information has not been read, the process returns to S5001 to read the next link information.
- the control unit 110 stores the movie clip info file name 92 (02000.clpi) and the still image equivalent PTS93 (0x000000057) in the internal memory. Store and proceed to step S5010.
- Step S5010 The control unit 110 reads the clip info file 14 from which the file name is acquired from the link information whose reproduction flag information 94 is “1”, and makes it possible to search the stored time table. As described above, in the time table, the packet number counted from the file head of the packet in which the head data of the I frame is stored is associated with the PTS assigned to the I frame. As shown in FIG. 7, the control unit 110 goes back the time table by the first section 62 based on the still image equivalent PTS 61 and starts reproducing the I frame 54 having the first (minimum) PTS value. The frame number is obtained, the packet number is acquired, and the process proceeds to step S5011.
- Step S5011 the control unit 110 reproduces / displays the stream file 15 corresponding to the moving image clip info file 14 (02000.clpi) only for the second section 63 from the acquired packet number via the reproduction processing unit 115. To do. Thereafter, the process returns to step S5003.
- the recording / playback apparatus 100 is operated, By rewriting the reproduction flag information 94 to “0”, it is possible to skip the next digest reproduction.
- the information for realizing the digest reproduction has an effect that does not adversely affect the operation when the recording medium 10 is mounted on another recording / reproducing apparatus that supports only the conventional still image standard and moving image standard. Play.
- the reproduction flag information 94 in the link information table it is possible to edit whether or not to reproduce individual scenes during digest reproduction. If such editing is to be realized by editing the playlist file 13 (01001.plst) stored under the playlist folder (PLAYLIST), for example, complicated editing of information related to the playback order of moving image data
- the recording / reproducing apparatus 100 that places importance on portability increases the processing load.
- it is the structure of Embodiment 1 there exists an effect that it is realizable with little processing load.
- the linked playback section may be a value that can be arbitrarily set by the user via the recording / playback apparatus 100, or may be a value set in advance from the performance of the recording / playback apparatus 100.
- the moving image position corresponding to the still image data can be directly specified from the moving image clip info file name 92 and the still image corresponding PTS 93, high-speed processing is possible. Even if the number of files increases, the number of rows in the link information table of FIG. 5 only increases. That is, since there is no need to search a moving image file or additional information from information added to still image data and specify a moving image position as in the prior art, there is no possibility that the processing speed will decrease.
- the recording medium 10 recorded by the recording / reproducing apparatus 100 is reproduced, edited, or deleted by a device that only supports the conventional still image standard and moving image standard, there is a contradiction in the conventional standard compliant part.
- the still image moving image linkage function can be easily restored when the recording medium 10 is mounted.
- a digest playback function can be realized by playing back the periphery of the scene where the still image was shot in order.
- the information for realizing the digest reproduction does not adversely affect the operation when the recording medium 10 is mounted on a recording / reproducing apparatus that supports only the conventional still image standard and moving image standard.
- the reproduction flag information 94 or the digest reproduction flag 95 in the link information table it is possible to edit whether or not each scene is reproduced at the time of digest reproduction. If such editing is to be realized by editing the playlist file 13 (01001.plst) stored under the playlist folder (PLAYLIST), for example, complicated editing of information related to the playback order of moving image data
- the recording / reproducing apparatus 100 that places importance on portability increases the processing load.
- the configuration of the first embodiment can be realized with a small processing load.
- the recording / reproducing apparatus 100 is described as a video camera, but the form of the recording / reproducing apparatus is not limited to this. Also, it is not necessary to have all functions including still image shooting and moving image shooting. As an example, an example realized as a stationary link information generation apparatus having only an editing function is shown below.
- FIG. 15 is a diagram illustrating a hardware configuration of the link information generation apparatus 200 according to Embodiment 1 of the present invention.
- an apparatus for mounting the recording medium 10 on which a still image, a moving image, and audio are recorded by the recording / reproducing apparatus 100 having the simultaneous photographing function and generating link information will be described.
- the link information generation apparatus 200 includes an image generation display unit 201, an input processing unit 202, a control unit 203, a recording / playback processing unit 204, a recording control unit 205, a still image separation / expansion unit 206, and a moving image separation.
- An expansion unit 207 and the like are provided.
- the display device 210, the input device 211, and the like are connected to the outside of the device.
- Each unit of the link information generation device 200 operates under the control of the control unit 203.
- the control unit 203 can be configured by a CPU that can execute software, for example.
- the image generation / display unit 201 generates a GUI screen for allowing the user to select an operation, and outputs the generated GUI screen to the external display device 210.
- the input processing unit 202 acquires an input operation from the user via the external input device 211 and outputs it to the control unit 203.
- control unit 203 The functional block of the control unit 203 is the same as that in FIG. 3B. However, the moving image recording unit 1111 and the still image recording unit 1112 can be omitted.
- the recording / playback processing unit 204 performs a file operation instructed from the control unit 203 on the recording medium 10. Further, the still image data to be reproduced is read from the recording medium 10 and output to the still image separation / expansion unit 206. Also, the moving image data to be reproduced is read from the recording medium 10 and output to the moving image separation / decompression unit 207.
- the recording control unit 205 controls a recording device such as a drive device that drives the recording medium 10 or a recording address input procedure.
- the still image separation / expansion unit 206 separates and expands the still image data output from the recording / playback processing unit 204 based on an encoding method such as JPEG performed at the time of recording.
- the still image signal obtained by the expansion is output to the image generation / display unit 201.
- the moving image separation / decompression unit 207 converts the moving image data output from the recording / playback processing unit 204 to MPEG-2 or H.264 applied at the time of recording. Based on an encoding method such as H.264, it is separated and expanded. The moving image data obtained by the expansion is output to the image generation / display unit 201.
- the link information generating apparatus 200 configured in this manner does not have the imaging unit 102 and the like, and therefore does not have a function of capturing still image data and moving image data. However, playback using the still image moving image linkage function, file deletion / editing and associated link information file correction, consistency check and repair of the link information file when the recorded media is loaded, digest playback using the link information file, playback Operations such as editing flag information and digest playback flag are possible.
- a link information generating apparatus 200 can be constructed as a PC editing system with a rich user interface, for example.
- the still image separation / decompression unit 206 and the moving image separation / decompression unit 207 are described as independent processing means. By realizing these as hardware (integrated circuit), it is possible to reduce the time required for image display, and in particular, the moving image separation / decompression unit 207 can display high-definition moving images such as HDTV in real time. The effect of becoming.
- each may be realized as software executed on the control unit 203.
- the link information generation device 200 can be realized by a general personal computer instead of requiring the control unit 203 with very high processing performance to perform real-time display of moving image data. The effect that it is.
- Embodiment 2 Corresponding to high-speed imaging
- the recording / reproducing apparatus 300 according to the second embodiment is configured to be able to handle high-speed captured images in addition to the operations provided in the recording / reproducing apparatus 100 according to the first embodiment.
- FIG. 16 is a diagram showing a hardware configuration of the recording / reproducing apparatus 300 according to Embodiment 2 of the present invention. Note that the same reference numerals are used for the same components as those in the first embodiment, and a detailed description thereof is omitted.
- the difference between the recording / reproducing apparatus 300 according to the second embodiment and the recording / reproducing apparatus 100 according to the first embodiment is that an image signal processing unit 301, a recording processing unit 302, and a second moving image compression multiplex corresponding to high-speed shooting.
- the first moving image compression multiplexing unit 105 and the first moving image separation / decompression unit 114 are the same as the moving image compression multiplexing unit 105 and the moving image separation / decompression unit 114 of FIG. 3A.
- the image signal processing unit 301 performs processing such as noise removal and image quality adjustment on the digital signal output from the A / D conversion unit 103.
- the still image signal is output to the still image compression multiplexing unit 130.
- a moving image signal is output to the first and second moving image compression multiplexing units 105 and 303.
- the moving image signal at this time is taken out every 5 frames from a progressively scanned image (hereinafter referred to as a 300p image) of 300 frames per second, and only even lines are alternately taken out of the extracted frames.
- It may be an interlaced image (hereinafter referred to as 60i image) of 60 fields per second obtained by extracting only odd lines.
- 60i image an interlaced image
- it may be a 60i image obtained by extracting an image for one field every five fields from an interlaced scanned image (hereinafter referred to as a 300i image) of 300 fields per second.
- the first video compression multiplexing unit 105 performs compression encoding conforming to the conventional standard, and directly corresponds to the conventional standard as a video file. It is possible to record on the recording medium 10 in a recording format.
- the 60i image is output to the first moving image compression multiplexing unit 105, and the remainder obtained by extracting the 60i image from the 300p image high-speed shooting image is output to the second moving image compression multiplexing unit 303.
- the second moving image compression multiplexing unit 303 that is, by extracting only even lines or only odd lines from image signals for four frames every five frames, an interlaced image of 240 fields per second (hereinafter referred to as a 240i image) is second compressed and multiplexed.
- the data is output to the unit 303.
- an irregular 240i image can be obtained by extracting the remaining 60i image from the 300i high-speed captured image, that is, extracting four fields every five fields.
- This irregular 240i image does not match the conventional standard, but the correlation between frames / fields remains, so MPEG-2, H.264 Using the so-called hybrid encoding such as H.264, the second moving image compression multiplexing unit 303 can perform compression encoding and record it on the recording medium 10 in a unique format as a high-speed shooting auxiliary file.
- the second moving image compression multiplexing unit 303 outputs an image signal composed of frames output from the image signal processing unit 301 and not compressed by the first moving image compression multiplexing unit 105 during high-speed shooting. .
- the data is compressed and multiplexed based on an encoding method such as H.264.
- the multiplexed image signal is output to the recording processing unit 302 as a high-speed shooting auxiliary file.
- the recording processing unit 302 the still image data output from the still image compression multiplexing unit 130, the moving image data output from the first moving image compression multiplexing unit 105, and the high-speed shooting output from the second moving image compression multiplexing unit 303
- the auxiliary data is written into the recording medium 10 according to the file structure set in each standard.
- the control unit 304 includes an image signal processing unit 301, a still image compression multiplexing unit 130, a first moving image compression multiplexing unit 105, a recording processing unit 302, a second moving image compression multiplexing unit 303, a recording control unit 108, and an image generation unit 111.
- the image signal processing unit 305, the still image separation / expansion unit 131, the first moving image separation / expansion unit 114, the reproduction processing unit 306, and the second moving image separation / expansion unit 307 are controlled to perform recording processing and reproduction in the recording / reproducing apparatus 300. Execute processing etc.
- the functional blocks of the control unit 203 are the same as those in FIG. 3B.
- the moving image specifying unit 1131 specifies a high-speed shooting auxiliary file corresponding to a moving image file including a still image linked moving image.
- the link information generation unit 1133 generates link information including high-speed moving image identification information for identifying the high-speed shooting auxiliary file specified by the moving image specifying unit 1131 in addition to the above function.
- the image signal processing unit 305 performs processing such as image quality adjustment for display on the still image signal output by the still image separation / expansion unit 131 expanding and outputting the still image data, and outputs the processed image to the display unit 112. Further, the first moving image separation / decompression unit 114 performs processing such as display image quality adjustment on the moving image signal that is expanded and output the moving image data (normal reproduction data), and outputs it to the display unit 112.
- the high-speed shooting auxiliary data is obtained from the second moving image separation / decompression unit 307, a smooth slow reproduction image is generated using the moving image signal and the high-speed shooting auxiliary data as necessary, and is output to the display unit 112. .
- the menu image generated by the image generation unit 111 is output as it is, or the expanded still image signal output from the still image separation / expansion unit 131 or the first moving image separation / expansion unit 114. It is multiplexed with the expanded video signal and output to the display unit 112 as an image signal.
- the second moving image separation / decompression unit 307 uses the high-speed shooting auxiliary data output from the reproduction processing unit 306 as MPEG-2 or H.264 applied by the second moving image compression multiplexing unit 303. Based on an encoding method such as H.264, it is separated and expanded. The high-speed shooting auxiliary data obtained by the expansion is output to the image signal processing unit 305.
- the reproduction processing unit 306 reads out the reproduction target moving image file from the recording medium 10 and outputs it to the first moving image separation / decompression unit 114. Further, the high-speed shooting auxiliary file related to the moving image data to be reproduced is read from the recording medium 10 and output to the second moving image separation / decompression unit 307.
- FIG. 18 is a diagram showing an example of a file structure recorded on the recording medium 10 according to the second embodiment. As shown in FIG. 18, here, as an example, it is assumed that a file configuration in which a still image file 70 is stored according to the DCF standard is provided. The detailed description is omitted because it is the same as the first embodiment.
- the moving image file is a file in which moving image data, attached information, and audio signals are multiplexed based on MPEG-2 Systems, and is stored under the MOVIE main folder.
- the folder structure of the MOVIE main folder has a thumbnail folder (THUMB), a content folder (BDMV) that stores normal moving image files, and a HIGHRATE folder that stores high-speed shooting auxiliary files in a lower hierarchy.
- the HIGHRATE folder is not limited to be placed directly under the MOVIE main folder, but the HIGHRATE folder is created directly under the root folder, that is, in the same hierarchy as the DCIM folder, MOVIE folder, and LINKCTL folder. You may make it a structure.
- the file structure of the BDMV folder is the same as that described with reference to FIG. 4 in the first embodiment, and thus detailed description thereof is omitted.
- the folder structure of the HIGHRATE folder includes a playlist folder (EXTLAYLIST), a clip info folder (EXTCLIPINF), a stream folder (EXTSTREAM), a backup folder (BACKUP), and the like, similar to the folder structure of the BDMV folder.
- a playlist file 16 (01001.plse) and the like are recorded in a lower hierarchy of the playlist folder (EXTLAYLIST).
- a clip info file 17 (01000.clpe) and the like are recorded in a lower hierarchy of the clip info folder (EXTCLIPINF).
- a stream file 18 (01000.m2te) and the like are recorded in the lower layer of the stream folder (EXTSTREAM).
- the playlist file 16 (01001.plse) includes image frames related to high-speed captured images or information related to the playback order of fields.
- the clip info file 17 (01000.clpe) includes a time table for associating positions of time information and image data and realizing partial reproduction and special reproduction.
- the stream file 18 (01000.m2te) includes a high-speed shooting auxiliary file.
- a LINKCTL main folder is provided for recording linkage information among still image files stored in the DCIM main folder, moving image files stored in the MOVIE main folder, and high-speed shooting auxiliary files stored in the HIGHRATE folder.
- a link information file 20 (00000.link) is stored under the LINKCTL main folder. Note that the LINKCTL main folder may not be provided, and the link information file 20 may be arranged side by side with the DCIM main folder and the MOVIE main folder immediately below the root folder.
- FIG. 19 is a diagram showing a configuration example of a link information table stored in the link information file 20.
- Each link information in the link information table includes a high-speed shooting auxiliary file name 96 in addition to the still image file name 91, the moving image clip info file name 92, the still image equivalent PTS 93, and the reproduction flag information 94 shown in the first embodiment. It is registered.
- the playback position of the high-speed shooting auxiliary file corresponding to the still image file 70 is directly specified from the high-speed shooting auxiliary file name 96 and the still image equivalent PTS 93. As a result, it is possible to perform high-speed file search processing.
- a “high-speed shooting” icon capable of smooth slow playback display on the still image data display screen shown in FIG. Furthermore, when a high-speed shooting icon is displayed, it is also possible to select a normal playback or a slow playback and play a moving image.
- the play list file 16 of high-speed shooting auxiliary data describes a clip information file 17 of high-speed shooting auxiliary data that can be used at the time of reproduction corresponding to the moving image data and a reproduction time.
- the playback time is shown up to the frame unit of high-speed shooting.
- the basic processing in this case is the same as the processing described with reference to FIG. 6 in the first embodiment.
- the difference in the second embodiment is only the following two points.
- step S2001, step S2002, step S2006 the normal moving image file (stream file 15, clip info file 14, playlist file 13) is saved under the BDMV main folder, A high-speed shooting auxiliary file (stream file 18, clip info file 17, playlist file 16) is recorded under the HIGHRATE main folder.
- each file of the normal moving image file and each file of the high-speed shooting auxiliary file corresponding thereto are made the same except for the file name extension.
- the playlist file 13 of the normal moving image file is 01001.
- the playlist file 16 of the high-speed shooting auxiliary file corresponding to the file name is 01001. Create with the file name "plse”. The same applies to clip info files and stream files.
- a high-speed shooting auxiliary file name 96 is also written.
- the high-speed shooting auxiliary file name 96 is set to “No_file”.
- FIG. 20 is a diagram for explaining the relationship between files under the BDMV folder in the file structure of FIG.
- the control unit 304 uses the playlist file 13, the clip info file 14, and the stream file 15 to perform playback control.
- the playlist file 13 a clip info file 14 to be reproduced and a reproduction time are described.
- the instructed clip info file 14 is referred to, and the designated stream file 15 is reproduced using information such as the time table.
- the play list file 13 (01001.plst) indicates that the clip (# 1), the clip (# 2), etc. are played in this order.
- the stream file 15 (01000.m2ts) associated with the clip info file 14 (01000.clpi) is reproduced.
- the stream file 15 (02000.m2ts) associated with the clip info file 14 (02000.clpi) is reproduced.
- FIG. 21 is a diagram for explaining the relationship between the files under the BDMV folder and the files under the HIGHRATE folder in the file structure of FIG.
- the control unit 304 refers to the playlist file 13 under the BDMV folder. For example, when referring to the playlist file 13 (01001.plst), the EXTLIST LIST folder below the HIGHRATE main file is confirmed, and the playlist file 16 (01001.plse) having the same file number is also referred to.
- FIG. 22 is a flowchart in the case where playback is performed using a playlist instead of the still image moving image linkage function.
- Step S6001 the control unit 304 determines the playback mode set by the user via the input unit 109. If the playback mode is the normal playback mode, the process proceeds to step S6013. If the playback mode is the high-speed shooting mode, the process proceeds to step S6002.
- Step S6013 Steps S6013 to S6016 are processes in the normal playback mode.
- the reproduction processing unit 306 reads a normal moving image file to be reproduced from the recording medium 10.
- Step S6014 The first moving image separation / decompression unit 114 separates and expands the moving image data included in the normal moving image file read by the reproduction processing unit 306.
- the image signal processing unit 305 performs image signal processing such as image quality adjustment for display on the expanded normal moving image data output from the first moving image separation / decompression unit 114, and generates a normal reproduction image.
- Step S6016 The display unit 112 reproduces the normal reproduction image generated by the image signal processing unit 305, and displays the reproduced image on a monitor or the like.
- the recording / playback apparatus 300 reads out and plays back image data corresponding to 30 frames per second in accordance with the conventional standard from the BDMV main folder.
- Step S6002 On the other hand, when the playback mode is the high speed playback mode, the control unit 304 determines whether or not the high speed shooting auxiliary file corresponding to the normal moving image file to be played back is recorded on the recording medium 10. If there is a high-speed shooting auxiliary file, the process proceeds to step S6003, and if not, the process proceeds to step S6013.
- the recording processing unit 302 records a high-speed shooting auxiliary file corresponding to one clip of the normal moving image file in the HIGHRATE main folder.
- the playlist file 16 of the high-speed shooting auxiliary file describes the clip info file 17 of the high-speed shooting auxiliary file that can be used during playback corresponding to the normal moving image file and the playback time. Note that the playback time described in the playlist file 16 is described up to the frame unit for high-speed shooting.
- the reproduction processing unit 306 first refers to the playlist file 13 of the normal moving image file and the playlist file 16 of the high-speed shooting auxiliary file.
- the clip corresponding to the playback time of the clip (# 1) does not exist in the playlist file 16 of the high-speed shooting auxiliary file. That is, the clip (# 1) is image data recorded in the normal shooting mode or image data recorded by a conventional standard image recording apparatus that does not support high-speed shooting. Note that the absence of the high-speed shooting auxiliary file corresponding to the clip (# 1) is confirmed by reading the link information file 20 and confirming that the value “No_File” is entered in the high-speed shooting auxiliary file name 96. You can also.
- the recording / playback apparatus 300 Since the high-speed shooting auxiliary file is not recorded (No in step S6002), the recording / playback apparatus 300 performs the same processing (step S6013 to step S6016) as in the normal playback mode. Note that when the high-speed shooting auxiliary file corresponding to the recording medium 10 is not recorded (No in step S6002), the control unit 304 may display the content of the error or the like to the user and end the reproduction process. Further, the recording / reproducing apparatus 300 may perform slow reproduction of the normal moving image file at normal frame intervals.
- a clip (# 11) corresponding to the playback time of the clip (# 2) exists in the playlist file 16 of the high-speed shooting auxiliary file. That is, the clip (# 2) is image data recorded in the high-speed shooting mode.
- Step S6003 Since the high-speed shooting auxiliary file is recorded (Yes in S6002), the reproduction processing unit 306 records the normal moving image file to be reproduced and the high-speed shooting auxiliary file related to the normal moving image file as the recording medium 10. Read from. Specifically, the reproduction processing unit 306 reads the stream file 18 (02000.m2te) of the high-speed shooting auxiliary file associated with the clip info file 17 (02000.clpe). In addition, the reproduction processing unit 306 reads the stream file 15 (02000.m2ts) of the normal moving image file associated with the clip info file 14 (02000.clpi).
- Step S6004 the first moving image separation / decompression unit 114 separates and decompresses the moving image data included in the normal moving image file read by the reproduction processing unit 306.
- the second moving image separation / decompression unit 307 separates and decompresses the high-speed shooting auxiliary data included in the high-speed shooting auxiliary file read by the reproduction processing unit 306.
- Step S6005 the image signal processing unit 305 synthesizes the expanded normal moving image data and the expanded high-speed shooting auxiliary data (that is, rearranges them in time series in units of frames), thereby 300 fields per second. Restore the image signal.
- the image signal processing unit 305 generates a smooth slow reproduction image from the restored image signal of 300 fields per second.
- Step S6006 The display unit 112 reproduces the slow reproduction image generated by the image signal processing unit 305, and displays the reproduced image on a monitor or the like.
- the recording / reproducing apparatus 300 reads out image data corresponding to 30 frames per second in accordance with the conventional standard from the BDMV main folder, and reads out the high-speed shooting auxiliary file from the HIGHRATE main folder.
- the recording / reproducing apparatus 300 restores and reproduces the high-speed image using the read image data corresponding to 30 frames per second and the high-speed shooting auxiliary file.
- the processing by the reproduction processing unit 306, the first moving image separation / decompression unit 114, the second moving image separation / decompression unit 307, and the image signal processing unit 305 described above is performed under the control of the control unit 304.
- the reproduction operation in the case of performing slow reproduction using the normal moving image file and the high-speed shooting auxiliary file during reproduction of the still image file in the second embodiment of the present invention is described with reference to FIGS. 7 and 8 in the first embodiment.
- the operation is almost the same as described.
- moving image playback is limited to normal playback as specified by the user, only the moving image data in the BDMV folder is played back, so that it is exactly the same.
- the high-speed shooting auxiliary file name 96 is registered in each piece of link information in the link information table of FIG. Therefore, when the linked playback section of the normal moving image file is played back, the high-speed shooting auxiliary file may be played back together. That is, a continuous high-speed captured image may be restored from the normal moving image file and the high-speed shooting auxiliary file, and a smooth slow playback image may be output.
- step S1014 of FIG. 23 shows a flowchart when step S1014 is changed to support high-speed shooting auxiliary data.
- Step S1051 After the processing of Step S1013 in FIG. 10 is finished, the file names under the EXTPLAYLIST folder are confirmed, and the playlist of the high-speed shooting auxiliary file corresponding to the playlist file 13 of the normal moving image file confirmed in Step S1010 It is determined whether or not the file 16 exists. If there is, the process proceeds to step S1052, and if not, the process proceeds to step S1055.
- Step S1052 The playlist file 16 of the high-speed shooting auxiliary file is read. Thereafter, the process proceeds to step S1053.
- Step S1053 It is confirmed whether or not the clip information file 17 of the high-speed shooting auxiliary file corresponding to the reproduction time of the clip information file 14 of the normal moving image file including the still image equivalent PTS obtained in step S1013 exists. If it exists, the process proceeds to step S1054, and if not, the process proceeds to step S1055.
- Step S1054 When the clip info file 17 of the high-speed shooting auxiliary file exists, the still picture file name 91, the moving picture clip info file name 92 of the normal moving picture file, the still picture equivalent PTS 93, the high-speed shooting auxiliary file name 96 (clip info file 17) and link information including the reproduction flag information 94 is written into the link information file 20. Thereafter, the process proceeds to step S1015.
- Step S1055 If the clip info file 17 of the high-speed shooting auxiliary file does not exist, the still image file name 91, the moving image clip info file name 92 of the normal moving image file, the still image equivalent PTS 93, the high-speed shooting auxiliary file name 96 (in this case, Link information including the reproduction flag information 94 is written in the link information file 20. Thereafter, the process proceeds to step S1015.
- the link information file 20 of the recording medium 10 when the recording medium 10 in which the still image file 70 and the moving image file are already stored is loaded, the link information file 20 of the recording medium 10, the still image file 70, the normal moving image file, and the high-speed shooting auxiliary file If there is a mismatch, the link information in the link information file 20 can be repaired.
- the recording / reproducing apparatus 300 may further include a start button or the like that receives an instruction to start generation or repair of the link information file 20 from the user.
- the start button When the start button is operated by the user, the recording / reproducing apparatus 300 determines whether or not the recording medium 10 is loaded as shown in the flowcharts of FIGS. 10, 11, and 23. And when it has mounted
- Video playback can be started. Furthermore, when the moving image data has been shot at high speed, it is possible to realize a high-speed shooting compatible still image moving image linkage function that displays a smooth slow playback image.
- the moving image position corresponding to the still image data can be directly specified from the moving image clip info file name 92 and the still image corresponding PTS 93, high-speed processing is possible. Even if the number of files increases, the number of lines in the link information table of FIG. 19 only increases. That is, since there is no need to search for a moving image file or additional information from information added to still image data and specify a moving image position as in the prior art, there is no possibility that the processing speed decreases.
- the recording medium 10 recorded by the recording / reproducing apparatus 300 is reproduced, edited, and deleted by a device that only supports the conventional still image standard and moving image standard, there is a contradiction in the conventional standard compliant part.
- the still image moving image linkage function can be easily restored when the recording medium 10 is loaded, including smooth slow reproduction of moving images shot at high speed.
- the recording / reproducing apparatus 300 in Embodiment 2 it is possible to realize the recording / reproducing apparatus 300 that can record an image captured at high speed on the recording medium 10 and reproduce a smooth slow reproduction image. Furthermore, even in the still image moving image linkage function, it is possible to reproduce a smooth slow reproduction image.
- one folder of the high-speed shooting auxiliary file corresponds to one folder of the normal moving image file
- the high-speed shooting auxiliary file may be divided into a plurality of parts, and they are divided into a plurality of folders. It may be recorded.
- the recording medium 10 recorded by the recording / reproducing apparatuses 100 and 300 is mounted on an image reproducing apparatus conforming to a conventional standard that does not support reproduction of high-speed reproduced images. In this case, an image corresponding to 30 frames per second can be reproduced without screen reduction or screen division multiplexing.
- a recording / playback apparatus that does not support high-speed shooting but supports the still image moving image linkage function can realize the still image moving image linkage function only with moving image data.
- the recording / reproducing apparatus includes a CPU (Central Processing Unit), a system LSI (Large Scale Integration), a RAM (Random Access Memory), a ROM (Read Only Memory), a HDD (Hard Disk Drive), a network interface, and the like. May be provided. Furthermore, a drive device capable of reading and writing with respect to a portable recording medium such as a DVD-RAM, a Blu-ray disc, and an SD (Secure Digital) memory card may be provided.
- a portable recording medium such as a DVD-RAM, a Blu-ray disc, and an SD (Secure Digital) memory card.
- the recording / reproducing apparatus may be an embedded system such as a digital video camera, a digital recorder, a digital TV, a game machine, an IP phone, a mobile phone, or the like.
- a program for controlling the recording / reproducing apparatus (hereinafter referred to as a recording / reproducing program) is installed in the HDD or ROM, etc., and each function of the recording / reproducing apparatus is realized by executing the recording / reproducing program. It may be done.
- the recording / reproducing program may be recorded on a recording medium readable by a hardware system such as a computer system or an embedded system. Furthermore, the program may be read and executed by another hardware system via the recording medium. Thereby, each function of the recording / reproducing apparatus can be realized in another hardware system.
- a computer system-readable recording medium an optical recording medium (for example, a CD-ROM), a magnetic recording medium (for example, a hard disk), a magneto-optical recording medium (for example, an MO), or a semiconductor memory. (For example, a memory card).
- the recording / reproducing program may be held in a hardware system connected to a network such as the Internet or a local area network. Furthermore, it may be downloaded to another hardware system via a network and executed. Thereby, each function of the recording / reproducing apparatus can be realized in another hardware system.
- a network a terrestrial broadcast network, a satellite broadcast network, a PLC (Power Line Communication), a mobile telephone network, a wired communication network (for example, IEEE802.3), and a wireless communication network (for example, IEEE802.11).
- a network a terrestrial broadcast network, a satellite broadcast network, a PLC (Power Line Communication), a mobile telephone network, a wired communication network (for example, IEEE802.3), and a wireless communication network (for example, IEEE802.11).
- each function of the recording / reproducing device may be realized by a recording / reproducing circuit mounted on the recording / reproducing device.
- the recording / reproducing circuit is a semi-custom LSI such as a full custom LSI (Large Scale Integration) or ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array), or a CPLD (Complex Programmable Logic Device). It may be formed as a programmable logic device or a dynamically reconfigurable device whose circuit configuration can be dynamically rewritten.
- LSI Large Scale Integration
- ASIC Application Specific Integrated Circuit
- FPGA Field Programmable Gate Array
- CPLD Complex Programmable Logic Device
- the design data for forming each function of the recording / reproducing device in the recording / reproducing circuit may be a program described in a hardware description language (hereinafter referred to as an HDL program). Further, it may be a gate level netlist obtained by logical synthesis of an HDL program. Alternatively, macro cell information in which arrangement information, process conditions, and the like are added to a gate level netlist may be used. Further, it may be mask data in which dimensions, timing, and the like are defined.
- VHDL VeryVhighintegraspeedintegrated circuit Hardware Description Language
- Verilog-HDL Verilog-HDL
- SystemC SystemC as hardware description languages.
- the design data may be recorded on a recording medium readable by a hardware system such as a computer system or an embedded system.
- the program may be read and executed by another hardware system via the recording medium. Then, the design data read by the other hardware system via these recording media may be downloaded to the programmable logic device via the download cable.
- the design data may be held in a hardware system connected to a network such as the Internet or a local area network. Furthermore, it may be downloaded to another hardware system via a network and executed. And the design data acquired by other hardware systems via these networks may be downloaded to a programmable logic device via a download cable.
- a network such as the Internet or a local area network.
- the design data may be recorded in a serial ROM so that it can be transferred to the FPGA when energized.
- the design data recorded in the serial ROM may be downloaded directly to the FPGA when energized.
- the design data may be generated by a microprocessor and downloaded to the FPGA when energized.
- the present invention relates to a recording / reproducing apparatus that records still images, moving images, and sounds on a portable recording medium and reproduces the recorded still images, moving images, and sounds, and more particularly to a recording medium such as a semiconductor memory or an optical disk.
- AV data is recorded as needed, and high-speed shot images are recorded as needed, and still images are specified during playback, so that AV data shot before and after the still images were shot can be played back.
- a video camera or the like that displays smooth slow playback images.
Abstract
Description
2008年5月9日に出願された出願番号2008-123089号の日本出願の明細書、図面および特許請求の範囲における開示は、その全体を、参照用として、本願に取り込む。
以下、本発明の実施の形態1における記録再生装置100について図面を参照しながら説明する。
以下、本発明の実施の形態1における記録再生装置100に、静止画データ、及び動画データがまだ記録されていない記録媒体10が装着されたときの、画像記録動作について図面を参照しながら説明する。より具体的には、静止画ファイル70を保存するサブフォルダを含むDCIMメインフォルダ401と、動画ファイルを保存する複数のサブフォルダを含むMOVIEフォルダ402とを記録媒体10の同階層(互いに包含関係にない位置であればよい。以下同じ。)に作成する。そして、上記静止画データ、上記動画データ、及び上記静止画データを撮影した際の撮影情報を関連付けしたリンク情報ファイル19を、DCIMメインフォルダ401及び、MOVIEフォルダ402とは別の位置(DCIMメインフォルダ401及びMOVIEフォルダ402のいずれにも包含されない位置)に生成する動作である。
以下、本発明の実施の形態1における記録再生装置100の静止画動画連携機能による再生動作について図面を参照しながら説明する。より具体的には、静止画ファイル70を保存するサブフォルダを含むDCIMメインフォルダ401と、動画ファイルを保存する複数のサブフォルダを含むMOVIEフォルダ402と、本発明の実施の形態1における記録再生装置100によって生成されたリンク情報ファイル19とが、同階層に配置される記録媒体10を装着している際、再生している静止画ファイル70の撮影時刻付近に撮影された動画データ(静止画連携動画)を再生する動作である。
以下、本発明の実施の形態1における記録再生装置100の静止画ファイル70もしくは動画のファイル削除動作について図面を参照しながら説明する。より具体的には、静止画ファイル70を保存するサブフォルダを含むDCIMメインフォルダ401と、動画ファイルを保存する複数のサブフォルダを含むMOVIEフォルダ402と、本発明の実施の形態1における記録再生装置100によって生成されたリンク情報ファイル19とが、同階層に配置される記録媒体10を装着している際に、リンク情報ファイル19を修正する動作である。
以下、本発明の実施の形態1における記録再生装置100のリンク情報ファイル19の整合性チェック及び不整合を検出した場合の修復動作について、図面を参照しながら説明する。
記録再生装置100は、連携再生区間を順次再生し、その間の区間をスキップすることで見たいシーンのみを再生するダイジェスト再生機能に対応することが可能である。この例について以下に説明する。
以下、本発明の実施の形態2における記録再生装置300について、図面を参照しながら説明する。実施の形態2における記録再生装置300は、実施の形態1における記録再生装置100に備えられる動作に加えて高速撮影画像への対応を可能とする構成となっている。
以下、本発明の実施の形態2における記録再生装置300に、静止画データ及び動画データがまだ記録されていない記録媒体10が装着されたときの、画像記録動作について説明する。
以下、本発明の実施の形態2における、図18に示すファイル構造を持つ記録媒体10を装着している際、再生している静止画データの撮影時刻付近に撮影された通常動画ファイル、または高速撮影された動画ファイルの再生を行う記録再生装置300について図面を参照しながら説明する。なお、記録媒体10には図19に示されるようなリンク情報ファイル20が含まれているものとする。
以下、本発明の実施の形態2における記録再生装置300の静止画ファイルもしくは動画ファイルのファイル削除動作について説明する。この場合は、実施の形態1において図9を用いて説明した動作との違いは特に無く、単に動画ファイルを削除する際に、一緒に対応する高速撮影補助ファイルが削除されるだけである。
以下、本発明の実施の形態2における記録再生装置300のリンク情報ファイル20の整合性チェック及び不整合を検出した場合の修復動作について、図面を参照しながら説明する。
11 インフォファイル
12 メニューファイル
13,16 プレイリストファイル
14,17 クリップインフォファイル
15,18 ストリームファイル
19,20,501 リンク情報ファイル
21,22,23,70,500 静止画ファイル
30,502 動画ファイル
31,32,33 静止画表示画面
41,42 アイコン
50,51,52,53,54,55,56,57,58,59 フレーム
61,93 静止画相当PTS
62 第1の区間
63 第2の区間
80 開始フレーム
81 終了フレーム
91 静止画ファイル名
92 動画クリップインフォファイル名
94 再生フラグ情報
95 ダイジェスト再生フラグ
96 高速撮影補助ファイル名
100 記録再生装置
101 レンズ群
102 撮像部
103 A/D変換部
104 画像信号処理部
105 動画圧縮多重部
106 記録処理部
108 記録制御部
109 入力部
110 制御部
111 画像生成部
112 表示部
113 画像信号処理部
114 動画分離伸張部
115 再生処理部
130 静止画圧縮多重部
131 静止画分離伸張部
200 リンク情報生成装置
201 画像生成表示部
202 入力処理部
203 制御部
204 記録再生処理部
205 記録制御部
206 静止画分離伸張部
207 動画分離伸張部
210 表示装置
211 入力装置
300 記録再生装置
301 画像信号処理部
302 記録処理部
303 第2の動画圧縮多重部
304 制御部
305 画像信号処理部
306 再生処理部
307 第2の動画分離伸張部
1110 記録制御部
1111 動画記録部
1112 静止画記録部
1113 リンク情報書き込み部
1120 再生制御部
1121 動画再生部
1122 静止画再生部
1123 リンク情報読み出し部
1130 リンク情報制御部
1131 動画特定部
1132 位置情報取得部
1133 リンク情報生成部
1134 リンク情報更新制御部
1135 リンク情報削除部
1140 ファイル監視部
1141 動画ファイル監視部
1142 静止画ファイル監視部
Claims (20)
- 静止画データ及び当該静止画データの撮影時刻である静止画撮影時刻情報を含む静止画ファイルを保持する第1のフォルダと、各々が動画データを含む1以上の動画ファイルを保持する第2のフォルダとが互いに包含関係にない位置関係で記録されている記録媒体に、前記静止画データと前記動画データとを関連付ける情報であるリンク情報を含むリンク情報ファイルを記録するリンク情報生成装置であって、
前記1以上の動画ファイルそれぞれに含まれる前記動画データのうち、前記静止画データの前記静止画撮影時刻情報を含む時間帯に撮影された静止画連携動画を特定する動画特定部と、
前記静止画撮影時刻情報に対応する前記静止画連携動画内の時間的な位置を示す静止画相当位置情報を取得する位置情報取得部と、
前記静止画データを識別する静止画識別情報、前記静止画連携動画を識別する動画識別情報、及び前記静止画相当位置情報を含む前記リンク情報を生成し、当該リンク情報を含む前記リンク情報ファイルを、前記記録媒体中の前記第1及び第2のフォルダのいずれにも包含されない位置に記録するリンク情報生成部とを備える
リンク情報生成装置。 - 該リンク情報生成装置は、さらに、前記リンク情報ファイルの更新日時が前記静止画ファイルの更新日時より過去であった場合に、前記動画特定部、前記位置情報取得部、及び前記リンク情報生成部を制御して、当該リンク情報ファイルを更新させるリンク情報更新制御部を備える
請求項1に記載のリンク情報生成装置。 - 該リンク情報生成装置は、さらに、
前記リンク情報ファイルに含まれる前記リンク情報を順次読み出すリンク情報読み出し部と、
前記リンク情報読み出し部によって順次読み出された前記リンク情報それぞれについて、前記静止画識別情報によって識別される前記静止画データが前記第1のフォルダに存在しない、又は前記動画識別情報によって識別される前記動画データが前記第2のフォルダに存在しない場合に、当該リンク情報を前記リンク情報ファイルから削除するリンク情報削除部とを備える
請求項1又は2に記載のリンク情報生成装置。 - 該リンク情報生成装置は、さらに、
前記第1のフォルダに保持される前記静止画ファイルを監視する静止画ファイル監視部と、
前記静止画ファイル監視部によって前記静止画ファイルの削除が検出されたことに応じて、当該静止画ファイルに対応する前記静止画識別情報を含む前記リンク情報を前記リンク情報ファイルから削除するリンク情報削除部とを備える
請求項1~3のいずれか1項に記載のリンク情報生成装置。 - 前記動画データは、所定の時間間隔で撮像された複数のフレームで構成され、
前記記録媒体には、さらに、前記1以上の動画ファイルそれぞれに1対1に対応し、隣接する前記フレームの間の時間帯に撮像された補助フレームを含む高速撮影補助ファイルを保持する第3のフォルダが、前記第1及び第2のフォルダのいずれとも包含関係にない位置に記録されており、
動画特定部は、さらに、前記静止画連携動画を含む前記動画ファイルに対応する前記高速撮影補助ファイルを特定し、
前記リンク情報生成部は、前記動画特定部によって特定された前記高速撮影補助ファイルを識別する高速動画識別情報をさらに含む前記リンク情報を生成する
請求項1~4のいずれか1項に記載のリンク情報生成装置。 - 前記第2のフォルダには、さらに、前記1以上の動画ファイルそれぞれに1対1に対応し、対応する前記動画ファイルに含まれる前記動画データの撮影開始時刻情報及び撮影終了時刻情報を含む1以上の動画撮影情報ファイルが保持されており、
前記動画特定部は、前記撮影開始時刻情報と前記撮影終了時刻情報との間の時間帯に前記静止画撮影時刻情報を含む前記動画データを、前記静止画連携動画として特定する
請求項1~5のいずれか1項に記載のリンク情報生成装置。 - 前記静止画撮影時刻情報は、当該静止画ファイルの更新日時であり、
前記撮影開始時刻情報は、当該動画の記録開始日時と、当該動画データを構成する複数のフレームのうちの先頭フレームに付与された先頭フレームPTS(Presentation Time Stamp)であり、
前記位置情報取得部は、前記静止画撮影時刻情報、前記記録開始日時、及び前記先頭フレームPTSに基づいて算出される静止画相当PTSを前記静止画相当位置情報として取得する
請求項6に記載のリンク情報生成装置。 - 撮像した静止画データ及び動画データを記録媒体に記録する画像記録装置であって、
光を電気信号に変換する撮像部と、
前記撮像部から出力される電気信号を動画データに変換し、当該動画データを含む動画ファイルを前記記録媒体に記録する動画記録部と、
前記動画記録部によって前記動画データが記録されている時間帯の任意のタイミングで、前記撮像部から出力される電気信号を静止画データに変換し、当該静止画データを含む静止画ファイルを前記記録媒体に記録する静止画記録部と、
前記静止画記録部によって記録された前記静止画データの前記動画データ内における時間的な位置を示す静止画相当位置情報を取得する位置情報取得部と、
前記静止画データを識別する静止画識別情報、前記動画データである静止画連携動画を識別する動画識別情報、及び前記静止画相当位置情報を含む前記リンク情報を生成し、当該リンク情報を含むリンク情報ファイルを前記記録媒体に記録するリンク情報生成部とを備え、
前記静止画ファイルは、前記記録媒体の第1のフォルダに記録され、
前記動画ファイルは、前記記録媒体の前記第1のフォルダと包含関係にない第2のフォルダに記録され、
前記リンク情報ファイルは、前記記録媒体の前記第1及び第2のフォルダのいずれにも包含されない位置に記録される
画像記録装置。 - 請求項1~8のいずれか1項に記載の記録媒体に記録されている静止画データ及び動画データを再生する画像再生装置であって、
前記記録媒体から読み出した前記静止画ファイルに含まれる前記静止画データを再生する静止画再生部と、
ユーザからの静止画関連動画再生要求に応じて、前記静止画データの前記静止画識別情報を含む前記リンク情報を、前記リンク情報ファイルから読み出すリンク情報読み出し部と、
前記リンク情報読み出し部によって読み出された前記リンク情報に含まれる前記動画識別情報で識別される前記静止画連携動画のうち、前記静止画相当位置情報を含む連携再生区間のみを再生する動画再生部とを備える
画像再生装置。 - 前記リンク情報には、さらに、対応する前記静止画連携動画を再生するか否かを示す再生フラグが含まれており、
前記動画再生部は、前記リンク情報の前記再生フラグに再生を示す情報が設定されている場合にのみ前記連携再生区間を再生する
請求項9に記載の画像再生装置。 - 前記リンク情報読み出し部は、さらに、ユーザからのダイジェスト再生要求に応じて、前記リンク情報ファイルに含まれる前記リンク情報を順次読み出し、
前記動画再生部は、前記リンク情報読み出し部によって読み出された順に、前記リンク情報に関連付けられた前記静止画関連動画の前記連携再生区間のみを再生する
請求項9又は10に記載の画像再生装置。 - 前記リンク情報には、さらに、対応する前記静止画連携動画のダイジェスト再生を行うか否かを示すダイジェスト再生フラグが含まれており、
前記動画再生部は、前記リンク情報の前記ダイジェスト再生フラグに再生を示す情報が設定されている場合にのみ前記連携再生区間を再生する
請求項11に記載の画像再生装置。 - 前記動画データは、画面内予測符号化によって符号化されたIフレームと、画面間予測符号化によって符号化されるPフレームとを含む複数のフレームによって構成され、
前記連携再生区間は、前記静止画相当位置情報を起点として前記静止画連携動画内を第1の区間だけ過去に遡った位置に最も近い前記Iフレームを再生開始フレームとし、当該Iフレームから前記第1の区間より大きい第2の区間だけ未来に進んだ位置のフレームを再生終了フレームとする区間である
請求項9~12のいずれか1項に記載の画像再生装置。 - 前記記録媒体には、さらに、前記1以上の動画ファイルそれぞれに1対1に対応し、隣接する前記フレームの間の時間帯に撮像された補助フレームを含む高速撮影補助ファイルを保持する第3のフォルダが、前記第1及び第2のフォルダのいずれとも包含関係にない位置に記録されており、
前記動画再生部は、前記連携再生区間に含まれる前記フレームを前記動画ファイルから読み出し、前記再生開始フレームと前記再生終了フレームとの間の時間帯に撮像された前記補助フレームを前記高速撮影補助ファイルから読み出し、読み出された前記フレーム及び前記補助フレームを時系列に並べ替えて再生する
請求項13に記載の画像再生装置。 - 静止画データ及び当該静止画データの撮影時刻である静止画撮影時刻情報を含む静止画ファイルを保持する第1のフォルダと、各々が動画データを含む1以上の動画ファイルを保持する第2のフォルダと、前記静止画データと前記動画データとを関連付ける情報であるリンク情報を含むリンク情報ファイルとが記録されている記録媒体であって、
前記第1及び第2のフォルダは、互いに包含関係にない位置関係で記録され、
前記リンク情報は、前記静止画データを識別する静止画識別情報、前記1以上の動画ファイルそれぞれに含まれる前記動画データのうち、前記静止画データの前記静止画撮影時刻情報を含む時間帯に撮影された静止画連携動画を識別する動画識別情報、及び前記静止画撮影時刻情報に対応する前記静止画連携動画内の時間的な位置を示す静止画相当位置情報を含み、且つ前記第1及び第2のフォルダのいずれにも包含されない位置に記録されている
記録媒体。 - 静止画データ及び当該静止画データの撮影時刻である静止画撮影時刻情報を含む静止画ファイルを保持する第1のフォルダと、各々が動画データを含む1以上の動画ファイルを保持する第2のフォルダとが互いに包含関係にない位置関係で記録されている記録媒体に、前記静止画データと前記動画データとを関連付ける情報であるリンク情報を含むリンク情報ファイルを記録するリンク情報生成方法であって、
前記1以上の動画ファイルそれぞれに含まれる前記動画データのうち、前記静止画データの前記静止画撮影時刻情報を含む時間帯に撮影された静止画連携動画を特定する動画特定ステップと、
前記静止画撮影時刻情報に対応する前記静止画連携動画内の時間的な位置を示す静止画相当位置情報を取得する位置情報取得ステップと、
前記静止画データを識別する静止画識別情報、前記静止画連携動画を識別する動画識別情報、及び前記静止画相当位置情報を含む前記リンク情報を生成し、当該リンク情報を含む前記リンク情報ファイルを、前記記録媒体中の前記第1及び第2のフォルダのいずれにも包含されない位置に記録するリンク情報生成ステップとを含む
リンク情報生成方法。 - 撮像した静止画データ及び動画データを記録媒体に記録する画像記録方法であって、
光を電気信号に変換する撮像ステップと、
前記撮像ステップで出力される電気信号を動画データに変換し、当該動画データを含む動画ファイルを前記記録媒体に記録する動画記録ステップと、
前記動画記録ステップで前記動画データが記録されている時間帯の任意のタイミングで、前記撮像ステップで出力される電気信号を静止画データに変換し、当該静止画データを含む静止画ファイルを前記記録媒体に記録する静止画記録ステップと、
前記静止画記録ステップで記録された前記静止画データの前記動画データ内における時間的な位置を示す静止画相当位置情報を取得する位置情報取得ステップと、
前記静止画データを識別する静止画識別情報、前記動画データである静止画連携動画を識別する動画識別情報、及び前記静止画相当位置情報を含む前記リンク情報を生成し、当該リンク情報を含むリンク情報ファイルを前記記録媒体に記録するリンク情報生成ステップとを含み、
前記静止画ファイルは、前記記録媒体の第1のフォルダに記録され、
前記動画ファイルは、前記記録媒体の前記第1のフォルダと包含関係にない第2のフォルダに記録され、
前記リンク情報ファイルは、前記記録媒体の前記第1及び第2のフォルダのいずれにも包含されない位置に記録される
画像記録方法。 - 請求項1~8のいずれか1項に記載の記録媒体に記録されている静止画データ及び動画データを再生する画像再生方法であって、
前記記録媒体から読み出した前記静止画ファイルに含まれる前記静止画データを再生する静止画再生ステップと、
ユーザからの静止画関連動画再生要求に応じて、前記静止画データの前記静止画識別情報を含む前記リンク情報を、前記リンク情報ファイルから読み出すリンク情報読み出しステップと、
前記リンク情報読み出しステップで読み出された前記リンク情報に含まれる前記動画識別情報で識別される前記静止画連携動画のうち、前記静止画相当位置情報を含む連携再生区間のみを再生する動画再生ステップとを含む
画像再生方法。 - 静止画データ及び当該静止画データの撮影時刻である静止画撮影時刻情報を含む静止画ファイルを保持する第1のフォルダと、各々が動画データを含む1以上の動画ファイルを保持する第2のフォルダとが互いに包含関係にない位置関係で記録されている記録媒体に、前記静止画データと前記動画データとを関連付ける情報であるリンク情報を含むリンク情報ファイルを記録する処理を、コンピュータに実行させるプログラムであって、
前記1以上の動画ファイルそれぞれに含まれる前記動画データのうち、前記静止画データの前記静止画撮影時刻情報を含む時間帯に撮影された静止画連携動画を特定する動画特定ステップと、
前記静止画撮影時刻情報に対応する前記静止画連携動画内の時間的な位置を示す静止画相当位置情報を取得する位置情報取得ステップと、
前記静止画データを識別する静止画識別情報、前記静止画連携動画を識別する動画識別情報、及び前記静止画相当位置情報を含む前記リンク情報を生成し、当該リンク情報を含む前記リンク情報ファイルを、前記記録媒体中の前記第1及び第2のフォルダのいずれにも包含されない位置に記録するリンク情報生成ステップとを含む
プログラム。 - 静止画データ及び当該静止画データの撮影時刻である静止画撮影時刻情報を含む静止画ファイルを保持する第1のフォルダと、各々が動画データを含む1以上の動画ファイルを保持する第2のフォルダとが互いに包含関係にない位置関係で記録されている記録媒体に、前記静止画データと前記動画データとを関連付ける情報であるリンク情報を含むリンク情報ファイルを記録する集積回路であって、
前記1以上の動画ファイルそれぞれに含まれる前記動画データのうち、前記静止画データの前記静止画撮影時刻情報を含む時間帯に撮影された静止画連携動画を特定する動画特定部と、
前記静止画撮影時刻情報に対応する前記静止画連携動画内の時間的な位置を示す静止画相当位置情報を取得する位置情報取得部と、
前記静止画データを識別する静止画識別情報、前記静止画連携動画を識別する動画識別情報、及び前記静止画相当位置情報を含む前記リンク情報を生成し、当該リンク情報を含む前記リンク情報ファイルを、前記記録媒体中の前記第1及び第2のフォルダのいずれにも包含されない位置に記録するリンク情報生成部とを備える
集積回路。
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US (1) | US8315503B2 (ja) |
JP (1) | JP5296062B2 (ja) |
WO (1) | WO2009136507A1 (ja) |
Cited By (3)
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JP2011129183A (ja) * | 2009-12-16 | 2011-06-30 | Canon Inc | 記録装置 |
CN110933303A (zh) * | 2019-11-27 | 2020-03-27 | 维沃移动通信(杭州)有限公司 | 拍照方法及电子设备 |
JP2021027867A (ja) * | 2019-08-09 | 2021-02-25 | 富士フイルム株式会社 | ファイリング装置、ファイリング方法及びプログラム |
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US8761270B2 (en) * | 2009-08-06 | 2014-06-24 | Korea Research Institute Of Standards And Science | Apparatus and method for transmitting and receiving time broadcasting information using power line |
JP2012247840A (ja) * | 2011-05-25 | 2012-12-13 | Sony Corp | 近隣人物特定装置、近隣人物特定方法、近隣人物特定プログラム及び近隣人物特定システム |
KR101797041B1 (ko) * | 2012-01-17 | 2017-12-13 | 삼성전자주식회사 | 디지털 영상 처리장치 및 그 제어방법 |
JP5975771B2 (ja) * | 2012-07-26 | 2016-08-23 | キヤノン株式会社 | 表示制御装置及び表示制御方法、プログラム、並びに記憶媒体 |
CN103559898B (zh) * | 2013-10-11 | 2017-01-18 | 华为技术有限公司 | 多媒体文件播放方法、播放装置和系统 |
JP6324063B2 (ja) * | 2013-12-26 | 2018-05-16 | キヤノン株式会社 | 画像再生装置及びその制御方法 |
EP3118801A4 (en) * | 2014-03-11 | 2017-09-13 | Research And Innovation Co., Ltd. | Purchase information utilization system, purchase information utilization method, and program |
JP6635450B2 (ja) * | 2016-07-12 | 2020-01-22 | オリンパス株式会社 | 内視鏡装置 |
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- 2009-05-08 JP JP2010511027A patent/JP5296062B2/ja not_active Expired - Fee Related
- 2009-05-08 WO PCT/JP2009/002025 patent/WO2009136507A1/ja active Application Filing
- 2009-05-08 US US12/991,612 patent/US8315503B2/en not_active Expired - Fee Related
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JP2011129183A (ja) * | 2009-12-16 | 2011-06-30 | Canon Inc | 記録装置 |
JP2021027867A (ja) * | 2019-08-09 | 2021-02-25 | 富士フイルム株式会社 | ファイリング装置、ファイリング方法及びプログラム |
JP7289241B2 (ja) | 2019-08-09 | 2023-06-09 | 富士フイルム株式会社 | ファイリング装置、ファイリング方法及びプログラム |
US11704794B2 (en) | 2019-08-09 | 2023-07-18 | Fujifilm Corporation | Filing device, filing method, and program |
CN110933303A (zh) * | 2019-11-27 | 2020-03-27 | 维沃移动通信(杭州)有限公司 | 拍照方法及电子设备 |
CN110933303B (zh) * | 2019-11-27 | 2021-05-18 | 维沃移动通信(杭州)有限公司 | 拍照方法及电子设备 |
Also Published As
Publication number | Publication date |
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JPWO2009136507A1 (ja) | 2011-09-08 |
JP5296062B2 (ja) | 2013-09-25 |
US8315503B2 (en) | 2012-11-20 |
US20110055296A1 (en) | 2011-03-03 |
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