mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-02-03 13:02:29 +00:00
Code Issues 1 Projects Releases Wiki Activity

gst/gstevent.h: Add a SKIP seek flag for use with advanced trickmodes.

Browse source 
Original commit message from CVS:
* gst/gstevent.h:
Add a SKIP seek flag for use with advanced trickmodes.
API: GstSeekFlags::GST_SEEK_FLAG_SKIP
This commit is contained in:
Wim Taymans 2008-11-06 12:03:17 +00:00
parent 209c57085c
commit 812640dd18
2 changed files with 16 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
ChangeLog
View file

@ -1,3 +1,9 @@
2008-11-06 Wim Taymans <wim.taymans@collabora.co.uk>
* gst/gstevent.h:
Add a SKIP seek flag for use with advanced trickmodes.
API: GstSeekFlags::GST_SEEK_FLAG_SKIP
2008-11-05 Wim Taymans <wim.taymans@collabora.co.uk> 2008-11-05 Wim Taymans <wim.taymans@collabora.co.uk>
* gst/gststructure.c: (gst_structure_id_empty_new_with_size): * gst/gststructure.c: (gst_structure_id_empty_new_with_size):

12
gst/gstevent.h
View file

@ -257,6 +257,9 @@ typedef enum {
* @GST_SEEK_FLAG_KEY_UNIT: seek to the nearest keyframe. This might be * @GST_SEEK_FLAG_KEY_UNIT: seek to the nearest keyframe. This might be
* faster but less accurate. * faster but less accurate.
* @GST_SEEK_FLAG_SEGMENT: perform a segment seek. * @GST_SEEK_FLAG_SEGMENT: perform a segment seek.
* @GST_SEEK_FLAG_SKIP: when doing fast foward or fast reverse playback, allow
* elements to skip frames instead of generating all
* frames. Since 0.10.22.
* *
* Flags to be used with gst_element_seek() or gst_event_new_seek(). All flags * Flags to be used with gst_element_seek() or gst_event_new_seek(). All flags
* can be used together. * can be used together.
@ -274,16 +277,21 @@ typedef enum {
* When this message is posted, it is possible to send a new seek event to * When this message is posted, it is possible to send a new seek event to
* continue playback. With this seek method it is possible to perform seemless * continue playback. With this seek method it is possible to perform seemless
* looping or simple linear editing. * looping or simple linear editing.
*
* When doing fast forward (rate > 1.0) or fast reverse (rate < -1.0) trickmode
* playback, the @GST_SEEK_FLAG_SKIP flag can be used to instruct decoders
* and demuxers to adjust the playback rate by skipping frames. This can improve
* performance and decrease CPU usage because not all frames need to be decoded.
*/ */
typedef enum { typedef enum {
GST_SEEK_FLAG_NONE = 0, GST_SEEK_FLAG_NONE = 0,
GST_SEEK_FLAG_FLUSH = (1 << 0), GST_SEEK_FLAG_FLUSH = (1 << 0),
GST_SEEK_FLAG_ACCURATE = (1 << 1), GST_SEEK_FLAG_ACCURATE = (1 << 1),
GST_SEEK_FLAG_KEY_UNIT = (1 << 2), GST_SEEK_FLAG_KEY_UNIT = (1 << 2),
GST_SEEK_FLAG_SEGMENT = (1 << 3) GST_SEEK_FLAG_SEGMENT = (1 << 3),
GST_SEEK_FLAG_SKIP = (1 << 4)
} GstSeekFlags; } GstSeekFlags;
/** /**
* GstEvent: * GstEvent:
* @mini_object: the parent structure * @mini_object: the parent structure