JP2012227615A - Recording and reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide recording and reproducing device which is more user-friendly.SOLUTION: When recording a frame image signal, which is generated sequentially by imaging, as one piece of moving image data in a memory and reproducing the moving image data, if receiving an assignment instruction of identification information while recording the moving image data, the identification information is assigned to a frame image signal satisfying a prescribed condition among plural frame image signal forming the moving image data. Then, when reproducing the moving image data recorded in the memory, the reproduction is started from a frame image signal preceding by plural frames the frame image signal to which the identification information is assigned.

Description

  The present invention relates to a recording / reproducing apparatus, and more particularly to a recording / reproducing apparatus that is applied to, for example, a digital camera and reproduces an image signal recorded in a memory.

In a conventional recording / reproducing apparatus, when searching for a user's desired scene, for example, a moving scene or a comedy scene, from a long-time video recorded in a memory, the desired scene is viewed while viewing. Searching and playing was very time consuming.
In JP-A-2003-32620, a scene change is detected and an index is created, a summary is given to a moving image to create a link between the summary and the index, and a search expression is given at the time of retrieval. A moving image management apparatus is disclosed that can search an outline of a moving image, select an associated index using a link after reading the outline, and view each scene of the index.

  However, since the conventional video management device automatically detects a scene change, there is a possibility that a scene based on the user's subjectivity cannot be reproduced or a scene not desired by the user is reproduced. .

  The present invention solves the above problems and provides a recording / reproducing apparatus that can easily reproduce a scene desired by a user from moving image data recorded in a memory.

  The recording / reproducing apparatus according to the present invention includes a generating unit that sequentially generates frame image signals by photographing, and records in a memory as moving image data formed by a plurality of frame image signal groups including a plurality of frame image signals. When reproducing moving image data and receiving an instruction to assign identification information during recording of moving image data, among the plurality of frame image signal groups forming the moving image data, the frame image signal group satisfying a predetermined condition An assigning means for assigning the identification information, a reproducing means for reproducing the moving image data recorded in the memory, and a plurality of frame image signal groups to which the identification information is assigned by controlling the reproducing means when reproducing the recorded moving image data. A playback control means for starting playback from a frame image signal before the frame is provided.

  According to the present invention, when an identification information assignment instruction is received during recording of moving image data and is reproduced, reproduction is started from a frame image signal that is a plurality of frames before the frame image signal group to which the identification information is assigned. . Therefore, even if the allocation instruction from the user is delayed, it can be reproduced from a desired scene.

  Preferably, the frame image signal group satisfying the predetermined condition is a frame image signal group to which a frame image signal generated immediately after the allocation instruction is received, or a timing at which the allocation instruction is received, or at the timing of the timing. It is a frame image signal group before a frame image signal group to which the most recently generated frame image signal belongs.

  According to the present invention, since it is assigned to the frame image signal group in the vicinity of the timing when the assignment instruction is received, the scene desired by the user can be detected and reproduced earlier.

  More preferably, the frame image signal group is formed of a plurality of frame image signals encoded by intra-frame coding and inter-frame coding, and when reproducing moving image data by the reproduction control means, the reproduction means is controlled. Reproduction is started from a frame image signal that is intra-frame encoded a plurality of frames before the frame image signal group to which the identification information is assigned.

  According to the present invention, since the reproduction is started from the frame image signal that has been intra-coded, the scene desired by the user can be reproduced more quickly.

  More preferably, multi-display means for multi-displaying reduced images based on frame image signals belonging to a group of frame image signals to which identification information is assigned, and selection means for selecting an arbitrary reduced image from the multi-displayed reduced images The playback control means controls the playback means to start playback from the frame image signals before a plurality of frames of the frame image signal group to which the frame image signal corresponding to the reduced image selected by the selection means belongs.

  According to the present invention, since the frame image signal group starting from a plurality of frames before the frame image signal group corresponding to the reduced image selected from the plurality of reduced images displayed in multiple is started, the scene desired by the user can be made faster. Can be played.

  More preferably, it further includes a frame reproducing means for sequentially reproducing the representative frame image signals of the frame image signal group to which a plurality of identification information recorded in the memory is assigned frame by frame.

  According to the present invention, only the scene desired by the user can be reproduced like a slide show.

  The recording / reproducing apparatus according to the present invention includes a generating unit that sequentially generates frame image signals by photographing, and records in a memory as moving image data formed by a plurality of frame image signal groups including a plurality of frame image signals. When reproducing moving image data and receiving an instruction to assign identification information during recording of moving image data, among the plurality of frame image signal groups forming the moving image data, the frame image signal group satisfying a predetermined condition An assigning means for assigning the identification information, a reproducing means for reproducing the moving image data recorded in the memory, and a frame belonging to the frame image signal group to which the identification information is assigned by controlling the reproducing means when reproducing the moving image data. A playback control means for starting playback from an image signal is provided, and a frame image signal group satisfying a predetermined condition Frame image signal generated in the last of the timing of receiving is the frame image signal group before the frame image signals belonging.

  According to the recording / reproducing apparatus of the present invention, a scene desired by a user can be easily reproduced from moving image data recorded in a memory.

It is a block diagram which shows a part of circuit structure of the digital camera 1 which concerns on a present Example. It is an illustration figure which shows a part of file structure of the digital camera 1 which concerns on a present Example. It is an illustration figure which shows a part of generation timing of the frame image signal in the digital camera 1 which concerns on a present Example. It is an illustration figure which shows another part of file structure of the digital camera 1 which concerns on a present Example. It is an illustration figure which shows an example of the multi display displayed on LCD32 which concerns on a present Example. It is a flowchart which shows an example of the procedure of the video recording task concerning a present Example. It is a flowchart which shows an example of the procedure of the detection task which concerns on a present Example. It is a flowchart which shows an example of the procedure of the reproduction | regeneration control task which concerns on a present Example.

  Hereinafter, the embodiment implemented in the digital camera 1 as an embodiment of the recording / reproducing apparatus of the present invention will be specifically described with reference to the drawings.

  FIG. 1 shows a block diagram of a digital camera 1 of the present embodiment. The digital camera 1 includes a lens group 10 including an optical lens and a diaphragm (not shown), and an optical image of a main subject passes through the lens group 10 and the diaphragm controlled by a motor driving unit (not shown) in accordance with an instruction from the CPU 26 and the CMOS imager unit 12. Is taken in.

  In this embodiment, the CMOS imager unit 12 is used as the image sensor. However, a CCD imager may be used. When a CCD imager is employed, an AFE circuit including correlated double sampling processing, gain adjustment, clamping processing, and A / D conversion processing is added.

  Then, a digital imaging signal for one frame is output from the CMOS imager unit 12 by a capture pulse provided by a timing generator (not shown) connected to the CPU 26. Here, the CMOS imager unit 12 amplifies the charge accumulated in each pixel, reads out the signal from each pixel using a wiring, and performs correlated double sampling processing, gain adjustment, and clamping processing on the signal. A / D conversion processing is performed. The digital imaging signal subjected to the processing has one of R, G, and B color signals for each pixel, and is temporarily stored in the SDRAM 16 via the bus 40 under the control of the CPU 26.

  The digital image signal once stored in the SDRAM 16 is input to the signal processing circuit 14 under the control of the CPU 26. The signal processing circuit 14 performs color separation processing on the input digital imaging signal, and further converts it into Y, U, and V signals by YUV conversion. The digital image signal converted by the signal processing circuit 14 is stored again in the SDRAM 16 via the bus 40. As described above, the process until the optical image of the main subject is stored in the SDRAM 16 through various processes is defined as an imaging process.

  The digital image signal stored in the SDRAM 16 can be output to the LCD 32 under the control of the CPU 26. The LCD 32 includes an LCD driver (not shown). The LCD driver can convert Y, U, and V signals into RGB signals and cause the LCD 32 to display an image based on the digital image signal. Thus, the process until the digital image signal stored in the SDRAM 16 is displayed as an image on the LCD 32 is defined as a display process.

  Further, the through image is displayed on the LCD 32 by sequentially performing the imaging process and the display process. In the present embodiment, an embodiment in which the LCD 32 is employed as a monitor will be described, but a display device such as an organic EL may be employed.

  The operation unit 24 includes a mode selection button 24a, a release button 24b, a cursor key 24c, a set button 24d, a favorite scene button 24e, and a display switching button 24f. When the mode selection button 24a is operated by the user, any one of a still image shooting mode, a moving image shooting mode, a playback mode, and a favorite scene playback mode, which are a part of a plurality of modes included in the digital camera 1, is selected. Can be selected.

  When the still image shooting mode is selected by the mode selection button 24a, the above-described imaging process is repeatedly executed based on a predetermined resolution and frame rate, and the display process is sequentially executed, whereby a through image is displayed on the LCD 32. Is displayed. When the user presses the release button 24b while a through image is displayed on the LCD 32, the above-described imaging process is executed based on the resolution for still image shooting. The digital image signal stored in the SDRAM 16 is input to the JPEG codec 30 under the control of the CPU 26, subjected to compression processing by the JPEG method, and stored in the SDRAM 16 as still image compressed image data. At the same time, a thumbnail image signal is generated based on the digital image signal, the JPEG codec 30 is controlled, JPEG compression processing is performed on the thumbnail image signal, and the thumbnail compressed image data is stored in the SDRAM 16. The still image compressed image data and the thumbnail compressed image data stored in the SDRAM 16 are stored as JPEG files in the external memory card 20 under the control of the external memory card 18 control circuit.

  Next, when the moving image shooting mode is selected by the mode selection button 24a, the above-described imaging process is repeatedly executed based on a predetermined resolution and frame rate, and the display process is sequentially executed, thereby allowing the LCD 32 to pass through. An image is displayed. In this embodiment, the moving image shooting frame rate is assumed to be 10 fps.

  When the user presses the release button 24b while a through image is displayed on the LCD 32, the above-described imaging processing is sequentially executed based on the resolution for moving image shooting. Then, the plurality of digital image signals stored in the SDRAM 16 are input to the MPEG codec 28 under the control of the CPU 26, subjected to compression processing in the MPEG4 system, and an IDR (Instantaneous Decoding Refresh) frame and / or P (Predicted) frame. Is stored in the SDRAM 16 as compressed moving image data based on the above. Further, the CPU 26 generates a thumbnail image signal based on the digital image signal of the first frame after the release button 24b is pressed, controls the JPEG codec 30 to perform JPEG compression processing on the thumbnail image signal, and The compressed image data is stored in the SDRAM 16.

  The CPU 26 controls the external memory card control circuit 18 to sequentially transfer the thumbnail compressed image data and the moving image compressed data stored in the SDRAM 16 to the external memory card 20 according to the MPEG4 AVC / H. It is written as an MPEG4 file according to the H.264 (hereinafter referred to as MPEG4) system. FIG. 2 schematically shows the structure of an MPEG4 file. Referring to FIG. 2, the thumbnail compressed image data is written in the metadata area, and the moving image compressed data is written in the media data area. Here, in the present embodiment, a process until data stored in the SDRAM 16 is written as an MPEG4 file to the external memory card 20 is defined as a recording process. In this embodiment, the external memory card 20 is used as the recording medium. However, a flash memory or a hard disk may be provided inside the digital camera 1.

  Data is handled in sequence units, and each sequence is composed of a plurality of access units. An access unit is a collection of NAL units, and types of NAL units include SPS (sequence parameter set), PPS (picture parameter set), SEI (supplemental enhancement information), and slice. Note that an IDR frame and a P frame are configured by a plurality of slices. Here, one GOP (Group Of Pictures) is formed from one IDR frame and nine P frames. Since the moving image shooting frame rate is 10 fps, if the reproduction frame rate is 10 fps, one second is required to reproduce one GOP. The IDR frame is generated by intra coding processing, and the P frame is formed by inter coding processing.

  SPS is information related to a sequence, and PPS is information related to a frame. A plurality of SEI messages can be stored in the SEI, and these SEI messages are additional information that is not essential for decoding the encoded data. In this embodiment, User data unregistered SEI that can be defined by the user is used. Hereinafter abbreviated as SEI message. For the SEI message, additional information indicating that it is a favorite is stored.

  When the user encounters a favorite scene during movie shooting, the user can press the favorite scene button 24e to display information indicating that the scene at the pressed timing or a scene near the pressed timing is a favorite scene in the movie data. Stored. Then, by selecting the favorite scene playback mode, the moving image data can be played around the favorite scene. Next, a method for storing information indicating a favorite scene in moving image data will be described.

  FIG. 3 shows the timing when the favorite scene button 24e is pressed. An imaging process, a display process, and a recording process are executed using Vsync as a reference.

  As shown in FIG. 3, when the favorite scene button 24e is pressed at the timing when the IDR frame belonging to the access unit a is generated, additional information indicating that the favorite scene button 24e is favorite is stored in the SEI message belonging to the access unit a. To do. When the favorite scene button 24e is pressed at a timing when a P frame belonging to the access unit d is generated, additional information indicating that the favorite scene button 24e is favorite is stored in the SEI message belonging to the access unit d. In this case, the value of the flag Fo of a register (not shown) in the CPU 26 is set to “1” in response to the pressing of the favorite scene button 24e, and when the imaging process for 1 GOP is completed, the value of Fo is “1”. If there is, additional information indicating that it is a favorite is stored in the SEI message.

  FIG. 4 shows a sequence in which additional information indicating that the SEI message is a favorite is stored. As described with reference to FIG. 4, additional information indicating favorites is stored in the SEI messages belonging to the access unit a and the access unit d. In FIG. 4, the SEI message storing additional information indicating that it is a favorite is expressed as “SEI ***”. Further, IDR frames belonging to each access unit are expressed as A to D. Further, in response to the first pressing of the favorite scene button 24e during moving image shooting, information indicating that the favorite scene file is a metadata is stored in the metadata area.

  Thus, when the user presses the release button 24b again, the imaging process, the display process, and the recording process are ended. When the release button 24b is pressed, if the total number of IDR frames and / or P frames forming one GOP is less than 5 frames, each process is not terminated immediately, but each process is continued. At the time when 7 frames are satisfied, moving image shooting end processing is executed. The moving image shooting end processing includes processing for ending the image pickup processing, display processing, and recording processing, and closing the file. In this case, the value of a flag Fs of a register (not shown) in the CPU 26 is set to “1” in response to the pressing of the release button 24d, and if the value of Fs detected after the previous frame imaging process is “1”, The moving image shooting end process is executed. Next, a method for reproducing a favorite scene in the favorite scene reproduction mode will be described.

  Now, when the playback mode is selected by operating the mode selection button 24a by the user, the user desires from among a plurality of JPEG files and / or MPEG files stored in the external memory card 20. The file is stored in the SDRAM 16 and is input to the JPEG codec 30 or the MPEG codec 28 to be decompressed and output to the LCD via the bus 40.

  When the favorite scene playback mode is selected, the CPU 26 controls the external memory card control circuit 18 to analyze the metadata of all MPEG4 files recorded on the external memory card 20 and use the favorite file as a favorite file. An MPEG4 file in which information indicating the presence is stored is specified. Thumbnail images based on the thumbnail compressed image data stored in each metadata area of the specified MPEG4 file are displayed in multiple on the LCD 32 and selected by the user, thereby specifying a desired favorite file to be reproduced from now on. .

  When a desired favorite file to be reproduced is specified, the SEI of each access unit is analyzed, and an access unit storing information indicating that it is a favorite is specified. Next, the thumbnail compressed image data is detected from the metadata area, and is displayed in a multi-display including a reduced image and a thumbnail image based on the IDR frame belonging to the specified access unit.

  FIG. 5 is a diagram in which thumbnail images and reduced images based on IDR frames are displayed in multiple numbers on the LCD 32 in nine divisions. In FIG. 5, based on the sequence of FIG. 4, a thumbnail image A ′ based on the IDR frame A that is the first image of the favorite file is displayed on the upper left, and a reduced image D ′ based on the IDR frame D belonging to the specified access unit. Is displayed in the upper center.

  When the reduced image D ′ is selected by the user, the moving image reproduction starts from the IDR frame A that is 30 frames before the IDR frame D that is the basis of the reduced image D ′. Note that the frame rate for moving image reproduction is also 10 fps, the same as the frame rate for moving image shooting. In other words, the playback starts from the IDR frame 3 seconds before the IDR frame D as a reference.

  As described above, when the favorite scene is an emotional scene, it is easier for the user to see the prelude for several seconds than to reproduce the favorite scene immediately after selecting the reduced image. In this embodiment, playback is started from an IDR frame 30 frames before the selected IDR frame. However, the user can set playback to start 20 frames before or after 30 frames. It is possible to set to start playback.

  Next, the above-described moving image shooting process and favorite scene reproduction process will be described with reference to flowcharts shown in FIGS. These processes are realized by the CPU 26 executing a program stored in the flash memory 22. 6 shows a moving image shooting main task, FIG. 7 shows a detection task, and FIG. 8 shows a favorite scene reproduction control task.

  The CPU 26 executes the moving image shooting main task shown in FIG. 6 to start moving image shooting. When the favorite scene button 24e is pressed, additional information indicating that the scene is a favorite scene is stored in the SEI message.

  Now, let's go into the specific procedure for the main video shooting task. When the moving image shooting mode is selected by the mode selection button 24a and the release button 24b is pressed, the CPU 26 sets the count value C to “0” in a register provided in the CPU 26 in step S101.

  In step S103, the moving image shooting initialization process is executed and the detection task is activated. The moving image shooting initialization process includes a process of opening a moving image file (MPEG file) and a process of setting parameters (resolution and frame rate) necessary for moving image shooting described above. In step S105, it is determined whether or not the value of the flag Fs stored in the register provided in the CPU 26 is “1”. If “YES” is determined in the step S105, the process proceeds to a step S106 to execute a moving image shooting end process, and this task is ended. If it is determined NO in step S105, the process proceeds to step S107, and imaging processing for one frame is performed. In step S109, the count value C is incremented (C = C + 1). Next, the process proceeds to step S111, where it is determined whether or not the count value is “10”. If NO is determined, the process returns to step S105.

  If YES is determined in the step S111, the process proceeds to a step S112, the count value C is set to “0”, and the process proceeds to the step S113. In step S113, it is determined whether or not the value of the favorite button pressing flag Fo stored in a register provided in the CPU 26 is “1”. If NO is determined in step S113, the process returns to step S105.

  If YES is determined in the step S113, the process proceeds to a step S115 so as to store additional information indicating that it is a favorite in the SEI message. Then, the process returns to step S105.

  Next, the detection process will be described with reference to the flowchart shown in FIG. By executing this detection task, pressing of the favorite scene button 24e or an operation of turning off the power is detected, and a numerical value is set in a register provided in the CPU 26.

  When the detection task is activated in step S103 of the moving image shooting main task, first, in step S201, the values of the end flag Fs and the favorite flag Fo are reset (set to Fs = 0 and Fo = 0), respectively. Next, the process proceeds to step S203, where it is determined whether or not the favorite scene button 24e has been pressed. If NO, the process proceeds to step S209. If YES is determined in the step S203, the process proceeds to a step S205 so as to determine whether or not the value of the favorite flag Fo is “1”. If YES is determined, the process proceeds to a step S209, and if NO is determined, the process proceeds to a step S207. . In step S207, the value of the favorite flag Fo is set to “1” (Fo = 1).

  In step S209, it is determined whether or not an end operation has been performed on the digital camera 1. Examples of the ending operation include a pressing operation on the release button 24b and a pressing operation on a power button (not shown). If YES is determined in the step S209, the process proceeds to a step S211. If NO is determined, the process proceeds to a step S203.

  In step S211, it is determined whether or not the count value C is “7 or more” (C ≧ 7), and this determination is repeated until it is determined YES. If YES is determined in the step S211, the process proceeds to a step S213, the value of the end flag Fs is set to “1”, and this task is ended.

  Next, the reproduction control process will be described with reference to the flowchart shown in FIG. The CPU 26 reproduces a favorite scene by executing a reproduction control task.

  When the favorite scene playback mode is selected by operating the mode selection button 24a, whether or not a desired moving image file (MPEG file) is selected by operating the cursor key 24c or the set button 24d in step S301. Determine whether or not. At this time, the thumbnail image of the moving image file (MPEG file) corresponding to the information indicating that the file includes the favorite scene stored in the metadata is displayed in a multi-display, and the user can select from among the multi-display thumbnail images. When the cursor key 24c or the set button 24d is operated, a moving image file (MPEG file) desired by the user is selected.

  Now, the determination in step S301 is repeated until YES is determined in step S301, and if YES is determined, the process proceeds to step S303.

  In step S303, the selected moving image file (MPEG file) is opened, and file analysis is performed in the next step S305. This file analysis includes analysis of the SEI message, and it is detected to which access unit the SEI message storing additional information indicating a favorite scene belongs.

  In step S307, an IDR frame is extracted from each of the plurality of access units to which the SEI message storing additional information indicating that the scene is a favorite scene, and subjected to a reduction process such as thinning to display multiple displays. Do.

  In step S309, the user operates the cursor key 24c and the set button 24d to determine whether or not a desired reduced image has been selected. In step S309, this determination is performed until YES is determined. If YES is determined, the process proceeds to step S311.

  In step S311, the access unit to which the IDR frame corresponding to the selected reduced image belongs is specified, and the access unit three times before on the time axis of the access unit is specified. Next, the process proceeds to step S313. When reproduction is started from the access unit specified in step S311, and reproduction is performed up to the last frame of the file, the process proceeds to step S315. In step S315, it is determined whether or not another mode has been set by operating the mode selection button 24a. If YES is determined, the present task is terminated. If NO is determined, the process returns to step S301.

  As described above, in the digital camera 1 according to the present embodiment, when the user presses the favorite scene button 24e during moving image shooting, additional information indicating a favorite scene is added to the SEI message for each access unit. Stored. When the favorite scene button 24e is pressed, additional information indicating a favorite scene is stored in the metadata area of the moving image file (MPEG file). When the favorite scene playback mode is set, first, metadata of a plurality of files recorded on the external memory card 20 is searched to identify a file having additional information indicating a favorite scene. If there are a plurality of thumbnail images, the thumbnail images of the specified file are displayed in multiple. The user selects a desired moving image file (MPEG file) based on the multi-displayed thumbnail images.

  Next, by analyzing the SEI in the selected moving image file (MPEG file), an access unit having additional information indicating a favorite scene is specified, and a reduced image based on the IDR frame included in the access unit is displayed in multiple displays Let The user selects a desired reduced image from among the multiple displayed reduced images, and reproduces the IDR frame that precedes the IDR frame corresponding to the selected reduced image as a start frame. .

  Therefore, even if the timing of pressing the favorite scene 24a during the shooting is delayed, since the reproduction is started several seconds before the reproduction, the target scene can be viewed. In addition, when the desired scene is an emotional scene, it can be expected that the user will be able to see it more easily if there is a prelude for several seconds than when the emotional scene is reproduced immediately after reproduction. Furthermore, it is possible to quickly search only the scene that the user wants to see in the video. According to this, it can be expected that users who have been photographed but left unattended will also be interested in watching past videos.

  In the present embodiment, a reduced image based on an IDR frame belonging to an access unit in which information indicating a favorite scene exists can be applied to a slide show that is displayed on the LCD 32 at a predetermined interval frame by frame. In addition, it is possible to generate one file by connecting only videos for several seconds before and after an access unit in which information indicating a favorite scene exists when editing a moving image. Furthermore, it is possible to repeat only the video for several seconds before and after an access unit in which information indicating a favorite scene exists.

DESCRIPTION OF SYMBOLS 10 ... Lens group 12 ... CMOS imager unit 14 ... Signal processing circuit 16 ... SDRAM
18 ... External memory card control circuit 20 ... External memory card 22 ... Flash memory 24 ... Operation unit 26 ... CPU
28 ... MPEG codec 30 ... JPEG codec 32 ... LCD

Claims (6)

A recording / reproducing apparatus that includes generation means for sequentially generating frame image signals by photographing, records the data in a memory as moving image data formed by a plurality of frame image signal groups including a plurality of frame image signals, and reproduces the moving image data Because
An assignment unit that assigns the identification information to a frame image signal group that satisfies a predetermined condition among a plurality of frame image signal groups that form the moving image data when receiving an instruction to assign the identification information during recording of the moving image data;
Playback means for playing back the moving image data recorded in the memory;
When reproducing the moving image data, the image processing apparatus includes a reproduction control unit that controls the reproduction unit to start reproduction from a frame image signal before a plurality of frames of a frame image signal group to which the identification information is assigned. Recording / playback device.   The frame image signal group that satisfies the predetermined condition is a frame image signal group to which a frame image signal generated immediately after the allocation instruction is received, or a timing at which the allocation instruction is received. 2. The recording / reproducing apparatus according to claim 1, wherein the frame image signal group is a frame image signal group preceding the frame image signal group to which the most recently generated frame image signal belongs. The frame image signal group is formed by a plurality of frame image signals encoded by intra-frame encoding and inter-frame encoding,
When the moving image data is played back by the playback control means, the playback means is controlled to start playback from a frame image signal that is intra-frame encoded a plurality of frames before the frame image signal group to which the identification information is assigned. The recording / reproducing apparatus according to claim 1 or 2, wherein Multi-display means for multi-displaying reduced images based on frame image signals belonging to a group of frame image signals to which the identification information is assigned;
Selecting means for selecting an arbitrary reduced image from the multi-displayed reduced images;
The reproduction control means controls the reproduction means to start reproduction from frame image signals before a plurality of frames of a frame image signal group to which a frame image signal corresponding to the reduced image selected by the selection means belongs. The recording / reproducing apparatus according to claim 1.   5. A frame reproducing means for reproducing a representative frame image signal of a group of frame image signals assigned to the plurality of identification information recorded in the memory in order one frame at a time. The recording / reproducing apparatus in any one of. A recording / reproducing apparatus that includes generation means for sequentially generating frame image signals by photographing, records the data in a memory as moving image data formed by a plurality of frame image signal groups including a plurality of frame image signals, and reproduces the moving image data Because
An assignment unit that assigns the identification information to a frame image signal group that satisfies a predetermined condition among a plurality of frame image signal groups that form the moving image data when receiving an instruction to assign the identification information during recording of the moving image data;
Playback means for playing back the moving image data recorded in the memory;
Replay control means for controlling the replay means to start replay from a frame image signal belonging to a group of frame image signals to which the identification information is assigned when replaying the moving image data;
The frame image signal group satisfying the predetermined condition is a frame image signal group before a frame image signal group to which a frame image signal generated immediately after the timing at which the allocation instruction is received belongs, Recording / playback device.