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V4L/DVB (3375): Add AUDIO_GET_PTS and VIDEO_GET_PTS ioctls

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Add two new ioctls to read the 33 bit presentation time stamp from audio
and video devices as defined in ITU T-REC-H.222.0 and ISO/IEC 13818-1.
Acked-by: Johannes Stezenbach <js@linuxtv.org>

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Andreas Oberritter 2006-02-27 00:09:00 -03:00 committed by Mauro Carvalho Chehab
parent 2e0d447005
commit f05cce863f
2 changed files with 26 additions and 0 deletions
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13
include/linux/dvb/audio.h
View File

@ -121,4 +121,17 @@ typedef uint16_t audio_attributes_t;
#define AUDIO_SET_ATTRIBUTES _IOW('o', 17, audio_attributes_t)
#define AUDIO_SET_KARAOKE _IOW('o', 18, audio_karaoke_t)
/**
* AUDIO_GET_PTS
*
* Read the 33 bit presentation time stamp as defined
* in ITU T-REC-H.222.0 / ISO/IEC 13818-1.
*
* The PTS should belong to the currently played
* frame if possible, but may also be a value close to it
* like the PTS of the last decoded frame or the last PTS
* extracted by the PES parser.
*/
#define AUDIO_GET_PTS _IOR('o', 19, __u64)
#endif /* _DVBAUDIO_H_ */

13
include/linux/dvb/video.h
View File

@ -200,4 +200,17 @@ typedef uint16_t video_attributes_t;
#define VIDEO_GET_SIZE _IOR('o', 55, video_size_t)
#define VIDEO_GET_FRAME_RATE _IOR('o', 56, unsigned int)
/**
* VIDEO_GET_PTS
*
* Read the 33 bit presentation time stamp as defined
* in ITU T-REC-H.222.0 / ISO/IEC 13818-1.
*
* The PTS should belong to the currently played
* frame if possible, but may also be a value close to it
* like the PTS of the last decoded frame or the last PTS
* extracted by the PES parser.
*/
#define VIDEO_GET_PTS _IOR('o', 57, __u64)
#endif /*_DVBVIDEO_H_*/