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Subject[PATCH 107/141] V4L/DVB (3375): Add AUDIO_GET_PTS and VIDEO_GET_PTS ioctls
Date
From: Andreas Oberritter <obi@linuxtv.org>
Date: 1141009740 -0300

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>
---

diff --git a/include/linux/dvb/audio.h b/include/linux/dvb/audio.h
diff --git a/include/linux/dvb/audio.h b/include/linux/dvb/audio.h
index 2b87970..0874a67 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
diff --git a/include/linux/dvb/video.h b/include/linux/dvb/video.h
index b1999bf..1f7fa03 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_*/
-
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