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 <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/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 @@
#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_*/