Recording medium, reproduction apparatus, recording method, integrated circuit, program and reproduction method
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04N-005/78
H04N-005/84
H04N-005/92
H04N-005/93
H04N-005/775
H04N-005/917
H04N-005/928
H04N-005/932
H04N-009/80
H04J-003/00
H04J-003/04
H04L-012/56
출원번호
US-0561418
(2004-07-05)
등록번호
US-8280230
(2012-10-02)
국제출원번호
PCT/JP2004/009873
(2004-07-05)
§371/§102 date
20051219
(20051219)
국제공개번호
WO2005/004478
(2005-01-13)
발명자
/ 주소
McCrossan, Joseph
Okada, Tomoyuki
Mochinaga, Kazuhiro
출원인 / 주소
Panasonic Corporation
인용정보
피인용 횟수 :
0인용 특허 :
73
초록▼
AVClip recorded in BD-ROM is obtained by multiplexing a graphics stream and a video stream. The graphics stream is a PES packet sequence that includes 1) PES packets storing graphics data (ODS) and 2) PES packets storing control information (PCS). In each ODS, values of DTS and PTS indicate a timing
AVClip recorded in BD-ROM is obtained by multiplexing a graphics stream and a video stream. The graphics stream is a PES packet sequence that includes 1) PES packets storing graphics data (ODS) and 2) PES packets storing control information (PCS). In each ODS, values of DTS and PTS indicate a timing of decoding start for corresponding graphics data, and a timing of decoding end for corresponding graphics data, respectively. In each PCS, a value of PTS indicates a display timing of corresponding decoded graphics data combined with the video stream.
대표청구항▼
1. A reproduction apparatus comprising: an acquire unit operable to acquire, from a recording medium, a video stream and a graphics stream, the video stream including video data, the graphics stream including a data packet and a control packet, the data packet including graphics data, a decode time
1. A reproduction apparatus comprising: an acquire unit operable to acquire, from a recording medium, a video stream and a graphics stream, the video stream including video data, the graphics stream including a data packet and a control packet, the data packet including graphics data, a decode time stamp, and a first presentation time stamp, the decode time stamp indicating a start time for decoding the graphics data, the first presentation time stamp indicating an end of decoding, the control packet including a second presentation time stamp indicating a time which is at or after the end of decoding;a video decoder operable to decode the video data and to write the decoded video data in a video plane;a processor operable to decode the graphics data at the start time, and to end decoding by the first presentation time stamp;a controller operable to write the decoded graphics data in a graphics plane by the second presentation time stamp, the graphics plane being an area where the decoded graphics data is rendered; andan adder operable to add decoded video data from the video plane and the decoded graphics data from the graphics plane. 2. A reproduction method reproduced by a reproduction apparatus including a video decoder, a video plane, a processor, a controller, a graphics plane and an adder, the reproduction method comprising: acquiring, from a recording medium, a video stream and a graphics stream, the video stream including video data, the graphics stream including a data packet and a control packet, the data packet including graphics data, a decode time stamp, and a first presentation time stamp, the decode time stamp indicating a start time for decoding the graphics data, the first presentation time stamp indicating an end of decoding, the control packet including a second presentation time stamp indicating a presentation time which is at or after the end of decoding;the video decoder decoding the video data, andwriting the decoded video data in a video plane;the processor, decoding the graphics data at the start time; andending decoding by the first presentation time stamp;the controller, writing the decoded graphics data in the graphics plane by the second presentation time stamp, the graphics plane being an area where the decoded graphics data is rendered; andthe adder, adding decoded video data from the video plane and the decoded graphics data from the graphics plane. 3. A non-transitory recording medium having recorded thereon a video stream and a graphics stream, the video stream and the graphics stream being reproducible from the recording medium by a reproduction apparatus including a video decoder, a video plane, a processor, a controller, a graphics plane and an adder, the video stream including video data, the video data being decoded and written in the video plane, by the video decoder, and the graphics stream including a data packet and a control packet, the data packet including graphics data, a decode time stamp, and a first presentation time stamp, the decode time stamp indicating a start time for the processor to decode the graphics data, the first presentation time stamp indicating an end time to decoding by the processor, the control packet including a second presentation time stamp, the second presentation time stamp indicating a presentation time which is at or after the end of decoding, the controller writing, the decoded graphics data in a graphics plane, the graphics plane being an area where the decoded graphics data is rendered, and the adder adding decoded video data in the video plane and the decoded graphics data in the graphics plane. 4. A recording apparatus for recording a video stream and a graphics stream on a recording medium, the video stream and the graphics stream being reproduced by a reproduction apparatus including a video decoder, a video plane, a processor, a controller, a graphics plane and an adder, the video stream including video data, the video decoder decoding the video data and writing the video data in the video plane, the graphics stream including a data packet and a control packet, the data packet including graphics data, a decode time stamp and a first presentation time stamp, the decode time stamp indicating a start time for the processor, to decode the graphics data, the first presentation time stamp indicating an end time for the decoding process, the control packet including a second presentation time stamp, the second presentation time stamp indicating a time which is at or after the end time for the decoding process, and the controller writing the decoded graphics data in the graphics plane, the graphics plane being an area where the decoded graphics data is rendered, andthe adder adding decoded video data from the video plane and the decoded graphics data from the graphics plane. 5. A recording method for recording a video stream and a graphics stream on a recording medium, the video stream and the graphics stream being reproducible by a reproduction apparatus including a video decoder, a video plane, a processor, a controller, a graphics plane and an adder, the video stream including video data, the video data being decoded and written in the video plane, by the video decoder,the graphics stream including a data packet and a control packet, the data packet including graphics data, a decode time stamp and a first presentation time stamp, the decode time stamp indicating a start time for decoding the graphics data, by the processor, the first presentation time stamp indicating an end time for decoding by the processor, the control packet including a second presentation time stamp, the second presentation time stamp indicating a time which is at or after the end time for decoding, and a time of writing, the decoded graphics data in the graphics plane by the controller, the graphics plane being an area where the decoded graphics data is rendered; andthe adder, adding decoded video data from the video plane and the decoded graphics data from the graphics plane. 6. A non-transitory computer-readable recording medium, comprising: a video stream including video data; anda graphics stream including a data packet and a control packet;wherein the data packet includes graphics data, a decode time stamp, and a first presentation time stamp;wherein the control packet includes a second presentation time stamp;wherein a playback apparatus which plays back the non-transitory medium starts decoding the graphics data at a time indicated by the decode time stamp;wherein the playback apparatus finishes decoding the graphics data by a time indicated by the first presentation time stamp;wherein the graphics data is decoded; andwherein data based on the decoded graphics data is presented at a time indicated by the second presentation time stamp. 7. A playback method for playing back the non-transitory computer-readable recording medium of claim 6, the playback method comprising: starting decoding the graphics data at the time indicated by the decode time stamp;finishing decoding the graphics data by the time indicated by the first presentation time stamp; andpresenting the data based on the decoded graphics data at the time indicated by the second presentation time stamp.
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