Video processing method and video processing apparatus
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsToshiya Takahashi, Yoshinori Matsui
Life of this patent
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Abstract
In a video processing method, plural pieces of digital data such as video and audio data are inputted together with an instruction signal indicating whether the plural pieces of digital data are to be multiplexed or not, and the plural pieces of digital data are multiplexed when the instruction signal instructs to multiplex the digital data, and then the multiplexed digital data are outputted together with a flag indicating whether the digital data are multiplexed or not. Therefore, when video and audio data are not multiplexed or when there is a scene description for handling plural pieces of video data, the video and audio data can be recorded or transmitted in like manner as multiplexed data.
Claims13
A video processing method comprising:
- receiving plural pieces of digital data such as video and audio data, and an instruction signal indicating whether the plural pieces of digital data are to be multiplexed or not;
- multiplexing the plural pieces of digital data when the instruction signal indicates the digital data to be multiplexed;
- and
- outputting the multiplexed digital data, and a flag indicating whether the digital data are multiplexed or not.
A video processing method comprising:
- receiving plural pieces of digital data such as video and audio data, and scene description data indicating the playback times or playback positions of the respective digital data;
- setting a scene description flag indicating whether there is a scene description or not;
- and
- outputting the digital data and the scene description flag.
A video processing apparatus comprising:
- audio coding means for coding audio data;
- video coding means for coding video data;
- and
- multiplexing means for receiving plural pieces of digital data coded, and an instruction signal indicating whether the plural pieces of digital data are to be multiplexed or not, and multiplexing the plural pieces of digital data when the instruction signal indicates the digital data to be multiplexed, and outputting the multiplexed digital data and a flag indicating whether the digital data are multiplexed or not.
A video processing method comprising:
- receiving plural pieces of digital data such as video and audio data, and a flag indicating whether the plural pieces of digital data are multiplexed or not;
- demultiplexing the plural pieces of digital data when the flag indicates that the digital data are multiplexed;
- and
- outputting the demultiplexed digital data respectively.
A video processing method comprising:
- receiving plural pieces of digital data such as video and audio data, and a scene description flag indicating whether there is scene description data that indicate the playback times or playback positions of the respective digital data;
- and
- outputting the digital data and the scene description data when the scene description flag indicates that there is scene description data.
A video processing apparatus comprising:
- audio decoding means for decoding digitized audio data;
- video decoding means for decoding digitized video data;
- and demultiplexing/control means for detecting a flag indicating whether the plural pieces of digital data are multiplexed or not, demultiplexing the plural pieces of digital data when the flag indicates that the digital data are multiplexed, and controlling the audio decoding means and the video decoding means so as to output the plural pieces of digital data separately.
A video processing apparatus comprising:
- audio coding means for coding audio data;
- video coding means for coding video data;
- multiplexing means for receiving the plural pieces of digital data coded, and an instruction signal indicating whether the plural pieces of digital data are to be multiplexed or not, and multiplexing the plural pieces of digital data when the instruction signal indicates the digital data to be multiplexed, and outputting the multiplexed digital data and a flag indicating whether the digital data are multiplexed or not;
- and
- data recording means for recording the multiplexed digital data and the flag indicating whether the digital data are multiplexed or not, onto the same recording medium.
A data recording medium containing a video processing program for making a computer execute a process of recording plural pieces of digital data such as video and audio data onto the same recording medium, the video processing program comprising:
- receiving plural pieces of digital data such as video and audio data, and an instruction signal indicating whether the plural pieces of digital data are to be multiplexed or not;
- multiplexing the plural pieces of digital data when the instruction signal indicates the digital data to be multiplexed;
- outputting the multiplexed digital data, and a flag indicating whether the digital data are multiplexed or not;
- and
- recording the outputted multiplexed digital data and the flag indicating whether the digital data are multiplexed or not, onto the same recording medium.
A data recording medium containing a video processing program for making a computer execute a process of recording plural pieces of digital data such as video and audio data onto the same recording medium, the video processing program comprising:
- reading plural pieces of digital data such as video and audio data, and a flag indicating whether the plural pieces of digital data are multiplexed or not;
- judging whether the plural pieces of digital data are multiplexed or not, on the basis of the flag;
- and
- demultiplexing the plural pieces of digital data when it is judged that the plural pieces of digital data are multiplexed, and outputting the respective digital data obtained separately.
A data recording medium containing plural pieces of digital data such as video and audio data, and multiplexing flags corresponding to the respective digital data and indicating whether the respective digital data are multiplexed or not.
A data structure for recording coded video and audio signals that are obtained by coding digital video and audio signals, the data structure comprising:
- plural pieces of digital data such as video and audio data;
- and
- multiplexing flags indicating whether the respective digital data are multiplexed or not.
Dependencies are inferred from the claim text.