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fftools/ffmpeg: use local variable with same contents directly 

Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
This commit is contained in:
Limin Wang 2020-04-26 17:49:17 +08:00
parent 3a822717bd
commit 683e421bcf
1 changed files with 18 additions and 13 deletions
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31
fftools/ffmpeg.c
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@ -501,32 +501,37 @@ static void ffmpeg_cleanup(int ret)
FilterGraph *fg = filtergraphs[i];
avfilter_graph_free(&fg->graph);
for (j = 0; j < fg->nb_inputs; j++) {
while (av_fifo_size(fg->inputs[j]->frame_queue)) {
InputFilter *ifilter = fg->inputs[j];
struct InputStream *ist = ifilter->ist;
while (av_fifo_size(ifilter->frame_queue)) {
AVFrame *frame;
av_fifo_generic_read(fg->inputs[j]->frame_queue, &frame,
av_fifo_generic_read(ifilter->frame_queue, &frame,
sizeof(frame), NULL);
av_frame_free(&frame);
}
av_fifo_freep(&fg->inputs[j]->frame_queue);
if (fg->inputs[j]->ist->sub2video.sub_queue) {
while (av_fifo_size(fg->inputs[j]->ist->sub2video.sub_queue)) {
av_fifo_freep(&ifilter->frame_queue);
if (ist->sub2video.sub_queue) {
while (av_fifo_size(ist->sub2video.sub_queue)) {
AVSubtitle sub;
av_fifo_generic_read(fg->inputs[j]->ist->sub2video.sub_queue,
av_fifo_generic_read(ist->sub2video.sub_queue,
&sub, sizeof(sub), NULL);
avsubtitle_free(&sub);
}
av_fifo_freep(&fg->inputs[j]->ist->sub2video.sub_queue);
av_fifo_freep(&ist->sub2video.sub_queue);
}
av_buffer_unref(&fg->inputs[j]->hw_frames_ctx);
av_freep(&fg->inputs[j]->name);
av_buffer_unref(&ifilter->hw_frames_ctx);
av_freep(&ifilter->name);
av_freep(&fg->inputs[j]);
}
av_freep(&fg->inputs);
for (j = 0; j < fg->nb_outputs; j++) {
av_freep(&fg->outputs[j]->name);
av_freep(&fg->outputs[j]->formats);
av_freep(&fg->outputs[j]->channel_layouts);
av_freep(&fg->outputs[j]->sample_rates);
OutputFilter *ofilter = fg->outputs[j];
av_freep(&ofilter->name);
av_freep(&ofilter->formats);
av_freep(&ofilter->channel_layouts);
av_freep(&ofilter->sample_rates);
av_freep(&fg->outputs[j]);
}
av_freep(&fg->outputs);