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fftools/ffmpeg: move freeing a filtergraph into a separate function

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This commit is contained in:
Anton Khirnov 2023-04-18 19:41:48 +02:00
parent eb9ce9de3b
commit cc7a8ddf56
3 changed files with 49 additions and 39 deletions
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42
fftools/ffmpeg.c
View File

@ -487,51 +487,15 @@ const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
static void ffmpeg_cleanup(int ret)
{
int i, j;
int i;
if (do_benchmark) {
int maxrss = getmaxrss() / 1024;
av_log(NULL, AV_LOG_INFO, "bench: maxrss=%ikB\n", maxrss);
}
for (i = 0; i < nb_filtergraphs; i++) {
FilterGraph *fg = filtergraphs[i];
avfilter_graph_free(&fg->graph);
for (j = 0; j < fg->nb_inputs; j++) {
InputFilter *ifilter = fg->inputs[j];
struct InputStream *ist = ifilter->ist;
if (ifilter->frame_queue) {
AVFrame *frame;
while (av_fifo_read(ifilter->frame_queue, &frame, 1) >= 0)
av_frame_free(&frame);
av_fifo_freep2(&ifilter->frame_queue);
}
av_freep(&ifilter->displaymatrix);
if (ist->sub2video.sub_queue) {
AVSubtitle sub;
while (av_fifo_read(ist->sub2video.sub_queue, &sub, 1) >= 0)
avsubtitle_free(&sub);
av_fifo_freep2(&ist->sub2video.sub_queue);
}
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++) {
OutputFilter *ofilter = fg->outputs[j];
avfilter_inout_free(&ofilter->out_tmp);
av_freep(&ofilter->name);
av_channel_layout_uninit(&ofilter->ch_layout);
av_freep(&fg->outputs[j]);
}
av_freep(&fg->outputs);
av_freep(&fg->graph_desc);
av_freep(&filtergraphs[i]);
}
for (i = 0; i < nb_filtergraphs; i++)
fg_free(&filtergraphs[i]);
av_freep(&filtergraphs);
/* close files */

2
fftools/ffmpeg.h
View File

@ -814,6 +814,8 @@ int ifilter_has_all_input_formats(FilterGraph *fg);
*/
FilterGraph *fg_create(char *graph_desc);
void fg_free(FilterGraph **pfg);
/**
* Perform a step of transcoding for the specified filter graph.
*

44
fftools/ffmpeg_filter.c
View File

@ -189,6 +189,50 @@ static OutputFilter *ofilter_alloc(FilterGraph *fg)
return ofilter;
}
void fg_free(FilterGraph **pfg)
{
FilterGraph *fg = *pfg;
if (!fg)
return;
avfilter_graph_free(&fg->graph);
for (int j = 0; j < fg->nb_inputs; j++) {
InputFilter *ifilter = fg->inputs[j];
struct InputStream *ist = ifilter->ist;
if (ifilter->frame_queue) {
AVFrame *frame;
while (av_fifo_read(ifilter->frame_queue, &frame, 1) >= 0)
av_frame_free(&frame);
av_fifo_freep2(&ifilter->frame_queue);
}
av_freep(&ifilter->displaymatrix);
if (ist->sub2video.sub_queue) {
AVSubtitle sub;
while (av_fifo_read(ist->sub2video.sub_queue, &sub, 1) >= 0)
avsubtitle_free(&sub);
av_fifo_freep2(&ist->sub2video.sub_queue);
}
av_buffer_unref(&ifilter->hw_frames_ctx);
av_freep(&ifilter->name);
av_freep(&fg->inputs[j]);
}
av_freep(&fg->inputs);
for (int j = 0; j < fg->nb_outputs; j++) {
OutputFilter *ofilter = fg->outputs[j];
avfilter_inout_free(&ofilter->out_tmp);
av_freep(&ofilter->name);
av_channel_layout_uninit(&ofilter->ch_layout);
av_freep(&fg->outputs[j]);
}
av_freep(&fg->outputs);
av_freep(&fg->graph_desc);
av_freep(pfg);
}
FilterGraph *fg_create(char *graph_desc)
{
FilterGraph *fg;