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video: Add format for single fields of interlaced video in a buffer

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=796106
This commit is contained in:
Zeeshan Ali 2018-05-04 15:19:11 +02:00 committed by Nicolas Dufresne
parent 63e602c63e
commit 8fa9fda226
1 changed files with 29 additions and 8 deletions
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25
gst-libs/gst/video/video-frame.h
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@ -39,6 +39,12 @@ typedef struct _GstVideoFrame GstVideoFrame;
* more non-mono views
* @GST_VIDEO_FRAME_FLAG_FIRST_IN_BUNDLE: The video frame is the first
* in a set of corresponding views provided as sequential frames.
* @GST_VIDEO_FRAME_FLAG_TOP_FIELD: The video frame has the top field only. This
* is the same as GST_VIDEO_FRAME_FLAG_TFF | GST_VIDEO_FRAME_FLAG_ONEFIELD
* (Since: 1.16).
* @GST_VIDEO_FRAME_FLAG_BOTTOM_FIELD: The video frame has the bottom field
* only. This is the same as GST_VIDEO_FRAME_FLAG_ONEFIELD
* (GST_VIDEO_FRAME_FLAG_TFF flag unset) (Since: 1.16).
*
* Extra video frame flags
*/
@ -49,7 +55,10 @@ typedef enum {
GST_VIDEO_FRAME_FLAG_RFF = (1 << 2),
GST_VIDEO_FRAME_FLAG_ONEFIELD = (1 << 3),
GST_VIDEO_FRAME_FLAG_MULTIPLE_VIEW = (1 << 4),
GST_VIDEO_FRAME_FLAG_FIRST_IN_BUNDLE = (1 << 5)
GST_VIDEO_FRAME_FLAG_FIRST_IN_BUNDLE = (1 << 5),
GST_VIDEO_FRAME_FLAG_TOP_FIELD = GST_VIDEO_FRAME_FLAG_TFF |
GST_VIDEO_FRAME_FLAG_ONEFIELD,
GST_VIDEO_FRAME_FLAG_BOTTOM_FIELD = GST_VIDEO_FRAME_FLAG_ONEFIELD,
} GstVideoFrameFlags;
/* circular dependency, need to include this after defining the enums */
@ -115,6 +124,8 @@ gboolean gst_video_frame_copy_plane (GstVideoFrame *dest, const GstVideoFr
#define GST_VIDEO_FRAME_IS_TFF(f) (GST_VIDEO_FRAME_FLAG_IS_SET(f, GST_VIDEO_FRAME_FLAG_TFF))
#define GST_VIDEO_FRAME_IS_RFF(f) (GST_VIDEO_FRAME_FLAG_IS_SET(f, GST_VIDEO_FRAME_FLAG_RFF))
#define GST_VIDEO_FRAME_IS_ONEFIELD(f) (GST_VIDEO_FRAME_FLAG_IS_SET(f, GST_VIDEO_FRAME_FLAG_ONEFIELD))
#define GST_VIDEO_FRAME_IS_TOP_FIELD(f) (GST_VIDEO_FRAME_FLAG_IS_SET(f, GST_VIDEO_FRAME_FLAG_TOP_FIELD))
#define GST_VIDEO_FRAME_IS_BOTTOM_FIELD(f) (GST_VIDEO_FRAME_FLAG_IS_SET(f, GST_VIDEO_FRAME_FLAG_BOTTOM_FIELD))
/* dealing with planes */
#define GST_VIDEO_FRAME_N_PLANES(f) (GST_VIDEO_INFO_N_PLANES(&(f)->info))
@ -149,7 +160,7 @@ gboolean gst_video_frame_copy_plane (GstVideoFrame *dest, const GstVideoFr
* is repeated.
* @GST_VIDEO_BUFFER_FLAG_ONEFIELD: If the #GstBuffer is interlaced, then only the
* first field (as defined by the %GST_VIDEO_BUFFER_FLAG_TFF
* flag setting) is to be displayed.
* flag setting) is to be displayed (Since: 1.16).
* @GST_VIDEO_BUFFER_FLAG_MULTIPLE_VIEW: The #GstBuffer contains one or more specific views,
* such as left or right eye view. This flags is set on
* any buffer that contains non-mono content - even for
@ -159,6 +170,12 @@ gboolean gst_video_frame_copy_plane (GstVideoFrame *dest, const GstVideoFr
* @GST_VIDEO_BUFFER_FLAG_FIRST_IN_BUNDLE: When conveying stereo/multiview content with
* frame-by-frame methods, this flag marks the first buffer
* in a bundle of frames that belong together.
* @GST_VIDEO_BUFFER_FLAG_TOP_FIELD: The video frame has the top field only. This is the
* same as GST_VIDEO_BUFFER_FLAG_TFF |
* GST_VIDEO_BUFFER_FLAG_ONEFIELD (Since: 1.16).
* @GST_VIDEO_BUFFER_FLAG_BOTTOM_FIELD: The video frame has the bottom field only. This is
* the same as GST_VIDEO_BUFFER_FLAG_ONEFIELD
* (GST_VIDEO_BUFFER_FLAG_TFF flag unset) (Since: 1.16).
* @GST_VIDEO_BUFFER_FLAG_LAST: Offset to define more flags
*
* Additional video buffer flags. These flags can potentially be used on any
@ -176,6 +193,10 @@ typedef enum {
GST_VIDEO_BUFFER_FLAG_MULTIPLE_VIEW = (GST_BUFFER_FLAG_LAST << 4),
GST_VIDEO_BUFFER_FLAG_FIRST_IN_BUNDLE = (GST_BUFFER_FLAG_LAST << 5),
GST_VIDEO_BUFFER_FLAG_TOP_FIELD = GST_VIDEO_BUFFER_FLAG_TFF |
GST_VIDEO_BUFFER_FLAG_ONEFIELD,
GST_VIDEO_BUFFER_FLAG_BOTTOM_FIELD = GST_VIDEO_BUFFER_FLAG_ONEFIELD,
GST_VIDEO_BUFFER_FLAG_LAST = (GST_BUFFER_FLAG_LAST << 8)
} GstVideoBufferFlags;