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authorMichael Niedermayer <michaelni@gmx.at>2012-11-29 02:03:20 +0100
committerMichael Niedermayer <michaelni@gmx.at>2012-11-29 02:08:49 +0100
commit015c2b40666294bf27ac0f176d66bea0be937231 (patch)
tree00d46df9764c03f33208a05de9a6336eaae16d2d /libavfilter/video.c
parent60e50dd96023bb44816592937c10e13a3ceded67 (diff)
libavfilter: default to filter_frame when neither it nor start/slice/end is set.
this is needed for vf_null and a few others. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavfilter/video.c')
-rw-r--r--libavfilter/video.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/libavfilter/video.c b/libavfilter/video.c
index 5eb37e6b5a..46c4190a54 100644
--- a/libavfilter/video.c
+++ b/libavfilter/video.c
@@ -210,7 +210,7 @@ static int default_start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
if (inlink->dst->nb_outputs)
outlink = inlink->dst->outputs[0];
- if (outlink && !inlink->dstpad->filter_frame) {
+ if (outlink && (inlink->dstpad->start_frame || inlink->dstpad->end_frame || inlink->dstpad->draw_slice)) {
AVFilterBufferRef *buf_out;
outlink->out_buf = ff_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);
if (!outlink->out_buf)
@@ -332,8 +332,12 @@ static int default_end_frame(AVFilterLink *inlink)
int ret = inlink->dstpad->filter_frame(inlink, inlink->cur_buf);
inlink->cur_buf = NULL;
return ret;
- } else {
+ } else if (inlink->dstpad->start_frame || inlink->dstpad->end_frame || inlink->dstpad->draw_slice){
return ff_end_frame(outlink);
+ } else {
+ int ret = ff_filter_frame(outlink, inlink->cur_buf);
+ inlink->cur_buf = NULL;
+ return ret;
}
}
return 0;
@@ -366,7 +370,7 @@ static int default_draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
if (inlink->dst->nb_outputs)
outlink = inlink->dst->outputs[0];
- if (outlink && !inlink->dstpad->filter_frame)
+ if (outlink && (inlink->dstpad->start_frame || inlink->dstpad->end_frame || inlink->dstpad->draw_slice))
return ff_draw_slice(outlink, y, h, slice_dir);
return 0;
}