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fftools/ffmpeg_filter: factor processing a single frame out of reap_filters() 

This is easier to read.
This commit is contained in:
Anton Khirnov 2023-07-23 10:19:08 +02:00
parent 82dd4dbe3f
commit d9c862b57f
1 changed files with 24 additions and 17 deletions
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41
fftools/ffmpeg_filter.c
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@ -1741,25 +1741,14 @@ int filtergraph_is_simple(const FilterGraph *fg)
return fgp->is_simple;
}
int reap_filters(FilterGraph *fg, int flush)
static int fg_output_step(OutputFilterPriv *ofp, int flush)
{
FilterGraphPriv *fgp = fgp_from_fg(fg);
FilterGraphPriv *fgp = fgp_from_fg(ofp->ofilter.graph);
OutputStream *ost = ofp->ofilter.ost;
AVFrame *filtered_frame = fgp->frame;
if (!fg->graph)
return 0;
/* Reap all buffers present in the buffer sinks */
for (int i = 0; i < fg->nb_outputs; i++) {
OutputFilter *ofilter = fg->outputs[i];
OutputStream *ost = ofilter->ost;
OutputFilterPriv *ofp = ofp_from_ofilter(ofilter);
AVFilterContext *filter = ofp->filter;
int ret = 0;
while (1) {
FrameData *fd;
int ret;
ret = av_buffersink_get_frame_flags(filter, filtered_frame,
AV_BUFFERSINK_FLAG_NO_REQUEST);
@ -1774,11 +1763,11 @@ int reap_filters(FilterGraph *fg, int flush)
return ret;
}
break;
return 1;
}
if (ost->finished) {
av_frame_unref(filtered_frame);
continue;
return 0;
}
if (filtered_frame->pts != AV_NOPTS_VALUE) {
@ -1817,6 +1806,24 @@ int reap_filters(FilterGraph *fg, int flush)
return ret;
ofp->got_frame = 1;
return 0;
}
int reap_filters(FilterGraph *fg, int flush)
{
if (!fg->graph)
return 0;
/* Reap all buffers present in the buffer sinks */
for (int i = 0; i < fg->nb_outputs; i++) {
OutputFilterPriv *ofp = ofp_from_ofilter(fg->outputs[i]);
int ret = 0;
while (!ret) {
ret = fg_output_step(ofp, flush);
if (ret < 0)
return ret;
}
}