WO2005043900A1 - 記録制御装置および記録制御方法 - Google Patents
記録制御装置および記録制御方法 Download PDFInfo
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- WO2005043900A1 WO2005043900A1 PCT/JP2004/016455 JP2004016455W WO2005043900A1 WO 2005043900 A1 WO2005043900 A1 WO 2005043900A1 JP 2004016455 W JP2004016455 W JP 2004016455W WO 2005043900 A1 WO2005043900 A1 WO 2005043900A1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—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
- H04N9/8042—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
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
- H04N5/937—Regeneration of the television signal or of selected parts thereof by assembling picture element blocks in an intermediate store
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
- G11B2220/215—Recordable discs
- G11B2220/216—Rewritable discs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
- G11B2220/215—Recordable discs
- G11B2220/218—Write-once discs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/85—Television signal recording using optical recording on discs or drums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—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
- H04N9/806—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 with processing of the sound signal
- H04N9/8063—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 with processing of the sound signal using time division multiplex of the PCM audio and PCM video signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
Definitions
- the present invention relates to a recording control device and a recording control method, and more particularly to a recording control device that adjusts the size of a video object so as to perform seamless connection between chapters, a recording control method, and a recording control method for a computer. Regarding the program to be executed. Background art
- optical disks have attracted attention as recording media capable of recording moving image (video) data and audio (audio) data.
- These optical discs are used not only as media for content products such as movies, but also as writable media for recording on the user side.
- write-once media for example, the DVD-R standard, which enables recording only once in the same area, and the DVD-RW standard, which allows repeated recording, are known.
- the DVD-Video standard for read-only discs is known, but it is also possible to perform writing in accordance with the DV-Video standard on writable media. You can do it.
- the DVD-Video standard allows up to 99 titles to be recorded per disc, and each title can contain up to 99 chapters (PTT: Part of TiTle). I'm familiar. DVD-R and DVD-RW mentioned above When recording with a camera and recorder (camcorder: camera and recorder), one recording unit from the start of recording to the end of recording is recorded as a cap, and recorded as the same title until a predetermined condition is satisfied. You. Predetermined conditions for closing the title are, for example, when a disc is ejected, when it reaches 99 cells in the title, or when it reaches 99 cells in the title. This is the case when moving from video recording to still image recording.
- An object of the present invention is to provide a recording control device that secures a video object of a required size. Disclosure of the invention
- a recording control device (1) includes a buffer for storing moving image data belonging to a chapter, and a size of the moving image data stored in the buffer exceeding the first size.
- Storage size detection means for detecting that a second size has been stored; final data detection means for detecting that the last moving image data belonging to the caption has been stored in the buffer; and
- When it is detected that the size of the moving image data stored in the buffer has reached the second size, a moving image corresponding to the first size from the beginning of the moving image data stored in the buffer The image data is extracted and output as a moving image object, and when it is detected that the last moving image data belonging to the chapter has been stored in the buffer, the buffer is output.
- Remove all previous SL moving image data stored in the file includes a moving image object output means you output as a moving image Obujeku bets. As a result, it is possible to secure a moving image object of a second size necessary for seamless connection between the chapters even immediately after extracting moving image data corresponding to the first size from the buffer. It has an effect.
- the recording control device according to the present invention (2) is the recording control device according to the above (1), wherein the storage size detecting means measures the size of the moving image data stored in the buffer as a capacity. Time conversion of the size of the moving image data stored in the buffer Time measuring means for measuring by calculation, and threshold detecting means for detecting that the time measuring means has measured the second size after the capacity measuring means has measured the first size. .
- the first size is measured as the capacity
- the second size is measured by the time conversion
- the video object of the second size converted to the time required for seamless connection between the chapters is obtained. The effect of maintaining.
- the storage size detecting means holds the first size and the second size and the threshold detecting means And a threshold holding means for supplying the threshold value to the threshold value. This brings about the effect that the threshold value in the storage size detecting means is set to an arbitrary value.
- the recording control device according to the present invention (4) is the recording control device according to the above (3), wherein the standard size of the moving image object is set as the first size and the moving image necessary for the seamless connection is set. Threshold setting means for setting the lower limit of the object as the second size in the threshold holding means is further provided. This brings about the effect that the threshold value is set according to the standard size of the moving image object and the lower limit value of the moving image object required for seamless connection.
- the moving image object output means divides the moving image data taken out from the buffer into fixed-length packs. And a multiplexing unit that multiplexes the packed moving image data and outputs the multiplexed moving image data as a moving image object. This makes it possible to record moving pictures in a format that conforms to the DVD-Video standard. This has the effect of generating a project.
- the encoding system of the present invention (6) comprises: a moving picture coding means for coding a moving picture signal and outputting it as moving picture data; and a speech coding means for coding an audio signal and forming and outputting sound data.
- moving image data corresponding to the first size is extracted from the beginning of the moving image data stored in the buffer, and All the moving images stored in the buffer are detected when it is detected that the last moving image data belonging to the caption is stored in the buffer.
- a moving image signal is encoded and sequentially output as the moving image data to the buffer.
- Procedure and moving image data stored in the buffer.
- Detecting the last moving image data stored in the buffer storing the last moving image data belonging to the caption in the buffer when it is detected that the last moving image data is stored in the buffer; Extracting all of the obtained moving image data and outputting it as a moving image object.
- a recording control method that secures a moving image object of a second size necessary for performing a seamless connection during a capture even immediately after moving image data corresponding to a first size is extracted from a buffer.
- the recording control method according to the present invention (8) is a recording control apparatus having a buffer for storing moving image data belonging to a caption, wherein a standard size of a moving image object is set as a first size and seamless connection is established.
- the video data stored in the buffer has a size corresponding to the first size from the beginning.
- the threshold is set according to the standard size of the moving image object and the lower limit value of the moving image object required for seamless connection, and immediately after the moving image data corresponding to the first size is extracted from the buffer.
- the program according to the present invention (9) is a recording control device including a buffer for storing moving image data belonging to a caption, a procedure for encoding a moving image signal and sequentially outputting the encoded moving image data to the buffer as the moving image data; A step of detecting that the size of the moving image data stored in the buffer has exceeded the first size and has reached the second size, and a step of detecting that the moving image data stored in the buffer has When it is detected that the size has reached the second size, moving image data corresponding to the first size is extracted from the beginning of the moving image data stored in the buffer, and a moving image object is obtained. Outputting the last moving picture data belonging to the caption, and detecting the last moving picture data belonging to the caption in the buffer.
- the program according to the present invention (10) is a recording control device having a buffer for storing moving image data belonging to a caption, in which a standard size of a moving image object is set as a first size and seamless connection is required. Setting a lower limit value of a moving image object as a second size, encoding a moving image signal and sequentially outputting the moving image signal as the moving image data to the buffer, and moving image data stored in the buffer. A procedure for detecting that the size of the moving image data exceeds the first size and further reaches the second size, and the size of the moving image data accumulated in the buffer reaches the second size.
- moving image data corresponding to the first size is extracted from the beginning of the moving image data stored in the buffer, and Outputting the image data as an image object; detecting that the last moving image data belonging to the caption is stored in the buffer; and storing the last moving image data belonging to the caption in the buffer. And extracting the moving image data stored in the buffer and outputting the moving image data as a moving image object when it is detected that the moving image data has been detected.
- the threshold is set according to the standard size of the moving image object and the lower limit of the moving image object required for seamless connection, and immediately after the moving image data corresponding to the first size is extracted from the buffer. Even j This provides an effect of providing a program for securing a second-size moving image object necessary for performing a seamless connection in the evening.
- FIG. 1 is a diagram showing a configuration example of an encoding system according to an embodiment of the present invention.
- FIG. 2 is a diagram showing a data structure according to the DVD-Video standard.
- FIG. 3 is a diagram showing an example of a data structure according to the embodiment of the present invention.
- FIG. 4 is a diagram showing a configuration example of the recording control unit 300 according to the embodiment of the present invention.
- FIG. 5 is a diagram showing an example of a time-series change of the storage size in the video stream buffer 310 in the embodiment of the present invention.
- FIG. 6 is a diagram showing a configuration example of the storage size detection unit 330 according to the embodiment of the present invention.
- FIG. 7 is a diagram illustrating an example of an operation of the encoding system according to the embodiment of the present invention.
- FIG. 1 is a diagram showing a configuration example of an encoding system according to an embodiment of the present invention.
- This encoding system includes a video encoder 100 for encoding a moving image signal, an audio encoder 200 for encoding an audio signal and outputting it as audio data, a video encoder 100 and an audio encoder 200.
- a recording control unit 300 for multiplexing the output of 0, a medium recording unit 400 for recording the stream data multiplexed by the recording control unit 300 on a recording medium 490, and a video encoder 1 0, an audio encoder 200, an encoding control unit 500 for controlling the operations of the recording control unit 300 and the medium recording unit 400, and a system bus 600 for interconnecting these units.
- a system bus 600 for interconnecting these units.
- the video encoder 100 encodes the moving image signal supplied from the signal line 101 and supplies moving image data to the signal line 199.
- the audio encoder 200 encodes the audio signal supplied from the signal line 201 and supplies the audio data to the signal line 299.
- the recording control unit 300 multiplexes the video data and audio data supplied to the signal lines 199 and 299 according to the data structure of the DVD-Video standard and multiplexes them as stream data. Supply to signal line 399.
- the medium recording unit 400 records the stream data supplied to the signal line 399 on the recording medium 490 according to the DVD-Video standard.
- the encoding control unit 550 includes a processor 510, an R ⁇ M 520, a RAM 530, an input / output interface 540, and a bus 550 for interconnecting these components.
- the processor 510 is connected to the video encoder 100 and the audio encoder 200.
- the start and stop of the encoding of the moving image signal and the audio signal and the recording on the recording medium 490 are controlled with reference to the progress of the encoding in the recording medium.
- the ROM 520 is a memory for storing programs executed by the processor 510 and various parameters, and is realized by, for example, an EPROM such as a flash memory.
- the RAM is a memory that holds work data and the like necessary for executing a program in the processor 510, and is realized by, for example, an SRAM or a DRAM.
- the input / output interface 540 is used for exchanging data with an external device.For example, an instruction to start and stop recording on the recording medium 490 and an instruction for a program in the ROM 520 are provided. Used for updating etc.
- FIG. 2 is a diagram showing a data structure according to the DVD-Video standard.
- the recording areas of the recording medium 490 are, in order from the innermost side when viewed in the radial direction of the disc, a lead-in area 801, a file management rear 802, a data recording area 803, a lead-out area 8 It is classified in the order of 04.
- the file management area 802 includes a UDF (Universal Disc Format) area and a VMG (Video ManaGer) area from the lead-in area side. These UDF area and VMG area are recording areas for management information for managing files such as image data recorded in the DVD.
- the UDF area supports the UDF standard and the IS09660 standard so that the computer can read the DVD.
- the VMG area is a recording area for DVD management information.
- the data recording area 803 is an area for recording moving image signals, audio signals, etc., and has a video title set (VTS: Video Title). Set) Data is recorded in units of a data group called 811.
- Each of the video title sets 8 11 1 has video title set information (VTSI) 8 2 1 and a video title set menu (VTSM—VOBS: Video Object Set for the VTSM) 8 2 2 and video title set title (VTSTT—VOBS: Video Object Set for Titles in a VTS) 8 23 and knockup (VTSI (BUP): Back-UP of VTSI) 8 24.
- the video title set information (VTSI) 821 is control information for the video title set.
- the video title set menu (VTSM_V ⁇ BS) 822 is content for various menus in the video title set.
- the video title set title (VTSTT—VOBS) 823 is content for playing the title.
- the backup (VTSI (BUP)) 822 is a backup copy of the video title set information 821.
- the video title set title (VTSTT—VOBS) 823 holds one or more video object (VOB) 831 object sets.
- the V ⁇ B 831 includes one or more cells (C e 11 1) 841, and the cell 841 further includes one or more video object units (V ⁇ BU). 8 5 1 is included.
- the VOBU 851 includes a moving image signal corresponding to one GOP (Group Of Picture), a sound signal corresponding thereto, and the like.
- the MPEG-2 system or the MPEG-1 system is used for encoding moving image signals. For encoding audio signals, AC-3 system, linear PCM system, MPEGA udio system, etc. Is used.
- the video object unit (V0BU) 851 is composed of a plurality of packs 861.
- Pack 861 generally consists of one or more buckets, but in this example, one pack contains one packet. That is, one pack is obtained by adding a pack header 871 before a packet, and the packet further includes a bucket header 872 and a bucket data 873 which is a data body.
- one pack is defined as 24048 bytes (corresponding to one sector). The encoded moving image signal, audio signal, and the like are divided into respective packs and held.
- FIG. 3 is a diagram showing an example of a data structure according to the embodiment of the present invention.
- the moving image data encoded by the video encoder 100 is divided into a group of image frames called GOP (Group Of Picture).
- GOP Group Of Picture
- 15 frames of unit images (B1 to P15) constitute one GOP700.
- the image of each frame is classified into one of three types: an I-picture (Intra-Picture), a P-picture (Predictive-Picture), and a B-picture (Bid irec tionea 1 ly Predictive-Picture).
- An I-picture is a picture obtained by intra-picture coding, and is coded in the same order as the original picture.
- a P picture is a picture obtained by inter-picture forward prediction coding, and is also coded in the same order as the original picture.
- One GOP is to contain at least one I picture.
- I3 indicates an I picture
- P6, P9, P12, and P15 indicate P pictures.
- Each suffix number is a serial number assigned to each frame, regardless of the picture type.
- a B picture is a screen obtained by bidirectional predictive coding, and since a B picture inserted between an I picture and a P picture after an I picture and a P picture are coded, It is encoded in a different order from the original screen. Therefore, the B pictures are rearranged so that they are located after the I pictures and P pictures that are referred to during bidirectional prediction encoding.
- the rearranged unit images 720 for example, B1 and B2 are located after I3, and B4 and B5 are located after P6.
- the unit image 720 generated in this way is packed to form V OBU 730.
- a navigation pack 731 (NV_PCK) is provided, and playback management information such as overnight search information (for example, control information for instructing which sector to jump to when jumping).
- the pack group 732 (V_PCK_I3) in which is stored the moving image data corresponding to the unit image I3. Since the capacity of one pack is 248 bytes, when the capacity of moving image data exceeds this, it is divided into a plurality of packs and held. Pack 7 3 3 (A_PCK1) holds audio data overnight.
- the pack group 7 3 4 (V_PCK_B1) holds moving image data corresponding to the unit image B 1.
- FIG. 4 is a diagram showing a configuration example of the recording control unit 300 according to the embodiment of the present invention.
- This recording control unit 300 Storage buffer 3 10, final data detection 3 4 0, video packing 3 5 0, and audio packing 3 6. 0 and a multiplexing unit 390.
- the video stream buffer 310 stores the moving image data supplied from the video encoder 100 to the signal line 199.
- the audio stream buffer 320 stores the audio data supplied from the audio encoder 200 to the signal line 299.
- the video stream buffer 310 and the audio stream buffer 320 are first-in, first-out (FIFO) FIFOs, which are fetched from the output side in the order of input. It is.
- the storage size detection unit 330 detects the size of the moving image data stored in the video stream buffer 310.
- the signal line 339 detects the fact that the moving image data has reached the predetermined size. Is notified to the video packing unit 350 and the video packing unit 360.
- the final data detecting section 340 detects that the final moving image data belonging to a certain caption has been accumulated in the video stream buffer 310.
- the final data detector 340 receives the recording stop instruction from the processor 510 or the like and knows the end of the capture. Then, when it is detected that the final moving image data of the capture is stored in the video stream buffer 310, the signal line 349 notifies the effect to that effect by the video packing unit 350 and the audio packing unit. Inform 3600.
- the video packing section 350 is composed of a video stream buffer 310 To extract video data and generate a video pack.
- the video packing unit 350 informs the storage size detection unit 330 of the fact that the moving image data stored in the video stream buffer 310 has reached a predetermined size via a signal line 339. Then, video data smaller than the predetermined size is extracted from the video stream buffer 310 to generate a video pack.
- the video packing unit 350 outputs that the final moving image data of the capture is stored in the video stream buffer 310 by the signal line 349 from the final data detection unit 340. When notified, all video data stored in the video stream buffer 310 is extracted to generate a video pack.
- the audio packing unit 360 extracts audio data from the audio stream buffer 320 and generates an audio pack.
- the audio packing unit 360 transmits the moving image extracted from the video stream buffer 310.
- audio data is extracted from the audio stream buffer 320 and an audio pack is generated.
- the multiplexing unit 390 multiplexes the video pack generated by the video packing unit 350 and the audio pack generated by the audio packing unit 360, and outputs a VOB.
- the multiplexing section 390 is composed of a VOBU generating section 370 and a VOB generating section 380.
- the V ⁇ BU generation unit 370 generates a VOBU by adding a navigation pack to the video pack and the audio pack as shown in FIG.
- the .VOB generator 380 combines the VOBUs generated by the VOBU generator 370. Together, V ⁇ B is generated.
- FIG. 5 is a diagram showing an example of a time-series change of the storage size in the video stream buffer 310 in the embodiment of the present invention.
- the vertical direction represents the storage size in the video stream buffer 310
- the horizontal direction represents the passage of time.
- moving image data is transmitted at a predetermined speed (for example, 9. 3 Mbps).
- the stored moving image data is extracted by a predetermined amount. This extraction is assumed to be instantaneous in theory for the sake of simplicity.
- the video stream buffer 310 is taken out from the video stream buffer 310 with a predetermined capacity of 6 Mbytes. If this extraction is performed immediately after 6 Mbytes have been aligned with the video stream buffer 310, if the capture ends shortly thereafter, almost no moving image data remains in the video stream buffer 310. The size of the final VOB may be reduced. Therefore, in this embodiment, when the moving image data stored in the video stream buffer 310 exceeds 6 Mbytes, the moving image data for a predetermined time is further stored. It shall be removed.
- FIG. 6 is a diagram showing a configuration example of the storage size detection unit 330 according to the embodiment of the present invention.
- the storage size detecting unit 330 includes a capacity counter 331, a time counter 332, a threshold holding unit 333, and a threshold detector 334.
- the capacity counter 331 monitors the moving image data input to the video stream buffer 310 from the signal line 199, and measures the amount of moving image data stored in the video stream buffer 310. . Then, when the capacity of the moving image data stored in the video stream buffer 310 exceeds a predetermined capacity, the fact is transmitted through a signal line 336. In the example of FIG. 5 described above, when the predetermined capacity exceeds 6 Mbytes, the fact is transmitted to the threshold value detector 334 via the signal line 336.
- the time counter 332 monitors the moving image data input to the video stream buffer 310 from the signal line 199, and is stored in the video stream buffer 310 by the capacity counter 331. After the capacity of the moving image data exceeds the specified capacity (6 Mbytes). In addition, the size of the moving image data stored in the video stream buffer 310 is measured by time conversion. Then, when the size obtained by the time conversion exceeds a predetermined time, the fact is notified by a signal line 338. In the example of FIG. 5 described above, when it is notified by the signal line 337 that the predetermined capacity has exceeded 6 Mbytes, three VOBUs (corresponding to about 1.5 seconds) are then set as the predetermined time. When it is detected that is accumulated, the fact is transmitted to the threshold detector 334 via the signal line 338.
- the threshold value holding unit 333 holds a predetermined capacity in the capacity counter 331 and a predetermined time in the time counter 332 as threshold values. These thresholds are set by the encoding control unit 500.
- the threshold detector 334 detects that the value measured by the capacity counter 331 exceeds the predetermined capacity (6 Mbytes) by the threshold holding unit 333, the signal is passed through the signal line 337. Start measurement with counter 3 3 2.
- the threshold value detector 3334 detects that the value measured by the time counter 3332 exceeds a predetermined time (3 VOBU) by the threshold value holding unit 3333, the video packer unit 350 and And an audio packing unit 360 are instructed to take out from the video stream buffer 310 and the audio stream buffer 320 by a signal line 339, respectively.
- the capacity counter 331 subtracts a predetermined capacity (6 Mbytes) from the measured value, and the time counter 332 sets the measured value to zero. Reset.
- FIG. 7 shows the operation of the encoding system according to the embodiment of the present invention. It is a figure showing an example of.
- this encoding system when the start of chapter recording is instructed by a button (not shown) or the like, it is transmitted to the entire encoding system through an input / output interface 540.
- the encoding is started in the video encoder 100 and the audio encoder 200 (step S912).
- the moving image data encoded by the video encoder 100 is stored in the video stream buffer 310, and the moving image data encoded by the audio encoder 200 is stored in the audio stream.
- a predetermined capacity and a predetermined time are set as threshold values in the threshold value holding unit 3333 (step S911).
- the final data detector 340 detects that the final data of the chapter has been stored in the video stream buffer 310. Then, the moving image data remaining in the video stream buffer 310 is packed in the video packing unit 350 as the final V ⁇ B of the capture (step S 919).
- the packed moving image data is configured as V ⁇ B via a VOBU generation unit 370 and a VOB generation unit, and is recorded on a recording medium 490 by a medium recording unit 400.
- the size of the moving image data stored in the video stream buffer 310 is monitored by the storage size detection unit 330, and a predetermined capacity (6 Mbytes) is monitored. And when it is detected that the predetermined time (3 VOBU) has been exceeded (step
- the video data of a predetermined capacity (6 Mbytes) stored in the video stream buffer 310 is packed into the video packing unit 350 from the beginning (step S91). Five ).
- the packed moving image data is configured as a VOB via a VOBU generating unit 370 and a V ⁇ B generating unit, and is recorded on a recording medium 490 by a medium recording unit 400.
- the size of the moving image data stored in the video stream buffer 310 is measured by the storage size detection unit 330, and the predetermined size and the predetermined time are measured. Is detected, video data of a predetermined capacity is extracted from the video stream buffer 310 and V ⁇ B is generated, so that the time conversion of the last VOB of the chapter recording is performed. A predetermined time can be secured as the size.
- the NTSC system has been described as an example of a moving image reproduction system.
- the present invention can be similarly applied to a PAL system having a frame frequency of 25 Hz.
- a PAL system having a frame frequency of 25 Hz.
- one VOBU when one VOBU is converted into time, it is 15 frames // SSHHzO.6 seconds, so that 1.8 seconds can be secured with three VOBUs.
- each unit of the recording control unit 300 has been described as being hardware, but the present invention is not limited to this, and may be realized as software or firmware.
- the program is stored in the ROM 520 or RAM 530 of the encoding control unit 500. The above functions can be realized by the processor 510.
- the embodiment of the present invention is an example for embodying the present invention, and has a correspondence relationship with the invention-specifying matters in the claims as described below, but is not limited thereto. Various modifications can be made without departing from the spirit of the present invention.
- the buffer corresponds to, for example, the video stream buffer 310.
- the first size corresponds to, for example, a predetermined capacity (6 MB in the example of FIG. 5).
- the second size corresponds to, for example, a predetermined time conversion (3VOBU in the example of FIG. 5).
- the storage size detection means corresponds to, for example, the storage size detection unit 330.
- the final data detecting means corresponds to, for example, the final data detecting section 340.
- the moving image object output means corresponds to, for example, the video packing unit 350 and the multiplexing unit 390.
- the capacity measuring means corresponds to, for example, the capacity counter 331.
- the time measuring means corresponds to, for example, the time counter 332.
- the threshold detecting means corresponds to, for example, the threshold detector 334.
- the threshold holding unit corresponds to, for example, the threshold holding unit 3333.
- the threshold value setting means corresponds to, for example, the processor 5 10.
- the packing means corresponds to, for example, the video packing section 350.
- the multiplexing means is, for example, a multiplexing unit. Corresponds to 390.
- the moving picture coding means corresponds to, for example, the video encoder 100.
- the audio encoding means corresponds to the audio encoder 200, for example.
- the buffer corresponds to, for example, the video stream buffer 310.
- the first size corresponds to, for example, a predetermined capacity (6 MB in the example of FIG. 5).
- the second size corresponds to, for example, a predetermined time conversion (3VOBU in the example of FIG. 5).
- the storage size detection means corresponds to, for example, the storage size detection unit 330.
- the final data detecting means corresponds to, for example, the final data detecting unit 340.
- the moving image object output means corresponds to, for example, the video packing unit 350 and the multiplexing unit 390.
- the procedure of encoding the moving picture signal and sequentially outputting the same as moving picture data to the buffer corresponds to, for example, step S912.
- the procedure for detecting that the size of the moving image data stored in the buffer has exceeded the first size and has reached the second size corresponds to, for example, step S914.
- the moving image data corresponding to the first size from the top of the moving image data stored in the buffer is deleted.
- the procedure of taking out and outputting as a moving image object corresponds to, for example, step S915.
- the procedure for detecting that the last moving image data belonging to the caption has been accumulated in the buffer corresponds to, for example, step S913.
- all the moving image data stored in the buffer is taken out and the moving image is taken out.
- the procedure for outputting as an image object corresponds to, for example, step S 9 19.
- the standard size of the moving image object is set as the first size
- the lower limit value of the moving image object required for seamless connection is set as the second size.
- the corresponding procedure corresponds to, for example, step S911.
- the procedure of encoding the moving image signal and sequentially outputting the moving image data to the buffer corresponds to, for example, step S912.
- a procedure for detecting that the size of the moving image data stored in the buffer has exceeded the first size and has reached the second size corresponds to, for example, step S914.
- the video corresponding to the first size from the top of the video data stored in the buffer is detected.
- the procedure for extracting the image data and outputting it as a moving image object corresponds to, for example, step S915.
- a procedure for detecting that the last moving image data belonging to the caption has been stored in the buffer corresponds to, for example, step S913.
- the procedure for extracting all moving image data stored in the buffer and outputting it as a moving image object is, for example, a step S. It corresponds to 9 1 9.
- processing procedure described in the embodiment of the present invention may be regarded as a method having a series of these procedures, and a program for causing a computer to execute the series of procedures or a storage of the program. It may be regarded as a recording medium to be executed.
- the present invention can be applied to, for example, encoding a moving image signal into an MPEG format and writing the encoded signal to a DVD.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020057011550A KR101063639B1 (ko) | 2003-10-30 | 2004-10-29 | 기록 제어 장치 및 기록 제어 방법 |
US10/537,920 US7672565B2 (en) | 2003-10-30 | 2004-10-29 | Recording control apparatus and recording control method |
EP04793375.9A EP1605697B1 (en) | 2003-10-30 | 2004-10-29 | Recording control apparatus and recording control method |
Applications Claiming Priority (2)
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JP2003371353A JP3807400B2 (ja) | 2003-10-30 | 2003-10-30 | 記録制御装置および記録制御方法 |
JP2003-371353 | 2003-10-30 |
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WO2005043900A1 true WO2005043900A1 (ja) | 2005-05-12 |
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PCT/JP2004/016455 WO2005043900A1 (ja) | 2003-10-30 | 2004-10-29 | 記録制御装置および記録制御方法 |
Country Status (7)
Country | Link |
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US (1) | US7672565B2 (ja) |
EP (1) | EP1605697B1 (ja) |
JP (1) | JP3807400B2 (ja) |
KR (1) | KR101063639B1 (ja) |
CN (1) | CN100542246C (ja) |
TW (1) | TWI258310B (ja) |
WO (1) | WO2005043900A1 (ja) |
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KR100790037B1 (ko) * | 2006-02-10 | 2008-01-02 | 엘지전자 주식회사 | 타임 쉬프트 방법 및 그에 따른 텔레비전 방송 수상기 |
JP4857895B2 (ja) | 2006-05-10 | 2012-01-18 | ソニー株式会社 | 情報処理装置、および情報処理方法、並びにコンピュータ・プログラム |
JP4779797B2 (ja) | 2006-05-10 | 2011-09-28 | ソニー株式会社 | 情報処理装置、および情報処理方法、並びにコンピュータ・プログラム |
JP4225339B2 (ja) * | 2006-09-11 | 2009-02-18 | ソニー株式会社 | 画像データ処理装置および方法、プログラム、並びに記録媒体 |
US8370622B1 (en) * | 2007-12-31 | 2013-02-05 | Rockstar Consortium Us Lp | Method and apparatus for increasing the output of a cryptographic system |
CN101677384B (zh) * | 2008-09-19 | 2011-03-23 | 鸿富锦精密工业(深圳)有限公司 | 数据存储管理系统及方法 |
BR112021016138A2 (pt) | 2019-03-15 | 2022-01-04 | Intel Corp | Aparelho, método, processador gráfico de propósito geral e sistema de processamento de dados |
US11934342B2 (en) | 2019-03-15 | 2024-03-19 | Intel Corporation | Assistance for hardware prefetch in cache access |
EP3938912B1 (en) | 2019-03-15 | 2023-09-20 | INTEL Corporation | Memory controller management techniques |
US11861761B2 (en) * | 2019-11-15 | 2024-01-02 | Intel Corporation | Graphics processing unit processing and caching improvements |
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JP3118917B2 (ja) * | 1991-12-06 | 2000-12-18 | キヤノン株式会社 | 画像記録装置及び電子スチル・カメラ |
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2003
- 2003-10-30 JP JP2003371353A patent/JP3807400B2/ja not_active Expired - Fee Related
-
2004
- 2004-10-29 KR KR1020057011550A patent/KR101063639B1/ko not_active IP Right Cessation
- 2004-10-29 WO PCT/JP2004/016455 patent/WO2005043900A1/ja active Application Filing
- 2004-10-29 US US10/537,920 patent/US7672565B2/en not_active Expired - Fee Related
- 2004-10-29 CN CNB200480001776XA patent/CN100542246C/zh not_active Expired - Fee Related
- 2004-10-29 EP EP04793375.9A patent/EP1605697B1/en not_active Expired - Fee Related
- 2004-10-29 TW TW093132871A patent/TWI258310B/zh not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
---|---|
CN100542246C (zh) | 2009-09-16 |
JP2005136753A (ja) | 2005-05-26 |
KR20060114283A (ko) | 2006-11-06 |
JP3807400B2 (ja) | 2006-08-09 |
US7672565B2 (en) | 2010-03-02 |
EP1605697A1 (en) | 2005-12-14 |
TW200527924A (en) | 2005-08-16 |
EP1605697A4 (en) | 2011-02-16 |
US20060083489A1 (en) | 2006-04-20 |
EP1605697B1 (en) | 2013-05-29 |
KR101063639B1 (ko) | 2011-09-07 |
CN1723701A (zh) | 2006-01-18 |
TWI258310B (en) | 2006-07-11 |
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