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Commit f05cce86 authored by Andreas Oberritter's avatar Andreas Oberritter Committed by Mauro Carvalho Chehab
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V4L/DVB (3375): Add AUDIO_GET_PTS and VIDEO_GET_PTS ioctls 



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: default avatarJohannes Stezenbach <js@linuxtv.org>

Signed-off-by: default avatarAndreas Oberritter <obi@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 2e0d4470

include/linux/dvb/audio.h

+13 −0
Original line number Original line Diff line number Diff line
@@ -121,4 +121,17 @@ typedef uint16_t audio_attributes_t; 
#define AUDIO_SET_ATTRIBUTES       _IOW('o', 17, audio_attributes_t)

#define AUDIO_SET_ATTRIBUTES       _IOW('o', 17, audio_attributes_t)

#define AUDIO_SET_KARAOKE          _IOW('o', 18, audio_karaoke_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_ */
 
#endif /* _DVBAUDIO_H_ */

include/linux/dvb/video.h

+13 −0
Original line number Original line Diff line number Diff line
@@ -200,4 +200,17 @@ typedef uint16_t video_attributes_t; 
#define VIDEO_GET_SIZE             _IOR('o', 55, video_size_t)

#define VIDEO_GET_SIZE             _IOR('o', 55, video_size_t)

#define VIDEO_GET_FRAME_RATE       _IOR('o', 56, unsigned int)

#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_*/
 
#endif /*_DVBVIDEO_H_*/