Implement a common get_filtered_video_frame(), shared between ffplay.c

and ffmpeg.c.

Originally committed as revision 25520 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 22 insertions, 0 deletions

diff --git a/cmdutils.c b/cmdutils.c
index fca783ca94..49c6ad574e 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -787,4 +787,26 @@ AVFilter ffsink = {
     .outputs   = (AVFilterPad[]) {{ .name = NULL }},
 };
 
+int get_filtered_video_frame(AVFilterContext *ctx, AVFrame *frame,
+                             AVFilterBufferRef **picref_ptr, AVRational *tb)
+{
+    int ret;
+    AVFilterBufferRef *picref;
+
+    if ((ret = avfilter_request_frame(ctx->inputs[0])) < 0)
+        return ret;
+    if (!(picref = ctx->inputs[0]->cur_buf))
+        return AVERROR(ENOENT);
+    *picref_ptr = picref;
+    ctx->inputs[0]->cur_buf = NULL;
+    *tb = ctx->inputs[0]->time_base;
+
+    memcpy(frame->data,     picref->data,     sizeof(frame->data));
+    memcpy(frame->linesize, picref->linesize, sizeof(frame->linesize));
+    frame->interlaced_frame = picref->video->interlaced;
+    frame->top_field_first  = picref->video->top_field_first;
+
+    return 1;
+}
+
 #endif /* CONFIG_AVFILTER */