From f05cce863fa399dd79c5aa3896d608b8b86d8030 Mon Sep 17 00:00:00 2001 From: Andreas Oberritter Date: Mon, 27 Feb 2006 00:09:00 -0300 Subject: 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: Johannes Stezenbach Signed-off-by: Andreas Oberritter Signed-off-by: Mauro Carvalho Chehab --- include/linux/dvb/audio.h | 13 +++++++++++++ include/linux/dvb/video.h | 13 +++++++++++++ 2 files changed, 26 insertions(+) (limited to 'include') diff --git a/include/linux/dvb/audio.h b/include/linux/dvb/audio.h index 2b8797084685..0874a67c6b92 100644 --- a/include/linux/dvb/audio.h +++ b/include/linux/dvb/audio.h @@ -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_ */ diff --git a/include/linux/dvb/video.h b/include/linux/dvb/video.h index b1999bfeaa56..1f7fa0351daf 100644 --- a/include/linux/dvb/video.h +++ b/include/linux/dvb/video.h @@ -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_*/ -- cgit v1.2.3