lavfi: add key_frame and pict_type to AVFilterBufferRefVideo.

Signed-off-by: Anton Khirnov <anton@khirnov.net>

cmdutils.c

@@ -922,6 +922,8 @@ int get_filtered_video_frame(AVFilterContext *ctx, AVFrame *frame,
     memcpy(frame->linesize, picref->linesize, sizeof(frame->linesize));
     frame->interlaced_frame = picref->video->interlaced;
     frame->top_field_first  = picref->video->top_field_first;
+    frame->key_frame        = picref->video->key_frame;
+    frame->pict_type        = picref->video->pict_type;
 
     return 1;
 }

doc/APIchanges

@@ -13,6 +13,9 @@ libavutil:   2011-04-18
 
 API changes, most recent first:
 
+2011-04-xx - xxxxxx - lavfi 2.3.0 - avfilter.h
+  Add pict_type and key_frame fields to AVFilterBufferRefVideo.
+
 2011-04-xx - xxxxxx - lavfi 2.2.0 - vsrc_buffer
   Add sample_aspect_ratio fields to vsrc_buffer arguments
 

libavfilter/avfilter.h

@@ -26,7 +26,7 @@
 #include "libavutil/samplefmt.h"
 
 #define LIBAVFILTER_VERSION_MAJOR  2
-#define LIBAVFILTER_VERSION_MINOR  2
+#define LIBAVFILTER_VERSION_MINOR  3
 #define LIBAVFILTER_VERSION_MICRO  0
 
 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
@@ -115,6 +115,8 @@ typedef struct AVFilterBufferRefVideoProps {
     AVRational pixel_aspect;    ///< pixel aspect ratio
     int interlaced;             ///< is frame interlaced
     int top_field_first;        ///< field order
+    int pict_type;              ///< Picture type of the frame
+    int key_frame;              ///< 1 -> keyframe, 0-> not
 } AVFilterBufferRefVideoProps;
 
 /**

libavfilter/vsrc_buffer.c

@@ -54,6 +54,8 @@ int av_vsrc_buffer_add_frame(AVFilterContext *buffer_filter, AVFrame *frame,
     memcpy(c->frame.linesize, frame->linesize, sizeof(frame->linesize));
     c->frame.interlaced_frame= frame->interlaced_frame;
     c->frame.top_field_first = frame->top_field_first;
+    c->frame.key_frame = frame->key_frame;
+    c->frame.pict_type = frame->pict_type;
     c->pts = pts;
     c->pixel_aspect = pixel_aspect;
     c->has_frame = 1;
@@ -133,6 +135,8 @@ static int request_frame(AVFilterLink *link)
     picref->video->pixel_aspect    = c->pixel_aspect;
     picref->video->interlaced      = c->frame.interlaced_frame;
     picref->video->top_field_first = c->frame.top_field_first;
+    picref->video->key_frame       = c->frame.key_frame;
+    picref->video->pict_type       = c->frame.pict_type;
     avfilter_start_frame(link, avfilter_ref_buffer(picref, ~0));
     avfilter_draw_slice(link, 0, link->h, 1);
     avfilter_end_frame(link);