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authorPaul Mackerras <paulus@samba.org>2007-04-30 12:38:01 +1000
committerPaul Mackerras <paulus@samba.org>2007-04-30 12:38:01 +1000
commit49e1900d4cc2e7bcecb681fe60f0990bec2dcce8 (patch)
tree253801ebf57e0a23856a2c7be129c2c178f62fdf /include/linux/dvb/video.h
parent34f6d749c0a328817d5e36274e53121c1db734dc (diff)
parentb9099ff63c75216d6ca10bce5a1abcd9293c27e6 (diff)
Merge branch 'linux-2.6' into for-2.6.22
Diffstat (limited to 'include/linux/dvb/video.h')
-rw-r--r--include/linux/dvb/video.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/include/linux/dvb/video.h b/include/linux/dvb/video.h
index faebfda397f..93e4c3a6d19 100644
--- a/include/linux/dvb/video.h
+++ b/include/linux/dvb/video.h
@@ -80,14 +80,70 @@ typedef enum {
} video_play_state_t;
+/* Decoder commands */
+#define VIDEO_CMD_PLAY (0)
+#define VIDEO_CMD_STOP (1)
+#define VIDEO_CMD_FREEZE (2)
+#define VIDEO_CMD_CONTINUE (3)
+
+/* Flags for VIDEO_CMD_FREEZE */
+#define VIDEO_CMD_FREEZE_TO_BLACK (1 << 0)
+
+/* Flags for VIDEO_CMD_STOP */
+#define VIDEO_CMD_STOP_TO_BLACK (1 << 0)
+#define VIDEO_CMD_STOP_IMMEDIATELY (1 << 1)
+
+/* Play input formats: */
+/* The decoder has no special format requirements */
+#define VIDEO_PLAY_FMT_NONE (0)
+/* The decoder requires full GOPs */
+#define VIDEO_PLAY_FMT_GOP (1)
+
+/* The structure must be zeroed before use by the application
+ This ensures it can be extended safely in the future. */
+struct video_command {
+ __u32 cmd;
+ __u32 flags;
+ union {
+ struct {
+ __u64 pts;
+ } stop;
+
+ struct {
+ /* 0 or 1000 specifies normal speed,
+ 1 specifies forward single stepping,
+ -1 specifies backward single stepping,
+ >1: playback at speed/1000 of the normal speed,
+ <-1: reverse playback at (-speed/1000) of the normal speed. */
+ __s32 speed;
+ __u32 format;
+ } play;
+
+ struct {
+ __u32 data[16];
+ } raw;
+ };
+};
+
+/* FIELD_UNKNOWN can be used if the hardware does not know whether
+ the Vsync is for an odd, even or progressive (i.e. non-interlaced)
+ field. */
+#define VIDEO_VSYNC_FIELD_UNKNOWN (0)
+#define VIDEO_VSYNC_FIELD_ODD (1)
+#define VIDEO_VSYNC_FIELD_EVEN (2)
+#define VIDEO_VSYNC_FIELD_PROGRESSIVE (3)
+
struct video_event {
int32_t type;
#define VIDEO_EVENT_SIZE_CHANGED 1
#define VIDEO_EVENT_FRAME_RATE_CHANGED 2
+#define VIDEO_EVENT_DECODER_STOPPED 3
+#define VIDEO_EVENT_VSYNC 4
time_t timestamp;
union {
video_size_t size;
unsigned int frame_rate; /* in frames per 1000sec */
+ unsigned char vsync_field; /* unknown/odd/even/progressive */
} u;
};
@@ -213,4 +269,10 @@ typedef uint16_t video_attributes_t;
*/
#define VIDEO_GET_PTS _IOR('o', 57, __u64)
+/* Read the number of displayed frames since the decoder was started */
+#define VIDEO_GET_FRAME_COUNT _IOR('o', 58, __u64)
+
+#define VIDEO_COMMAND _IOWR('o', 59, struct video_command)
+#define VIDEO_TRY_COMMAND _IOWR('o', 60, struct video_command)
+
#endif /*_DVBVIDEO_H_*/