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fftools/ffmpeg_filter: factorize allocating InputFilter

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This commit is contained in:
Anton Khirnov 2023-04-25 23:32:04 +02:00
parent 87ced7aee0
commit 1dcae45ecb
1 changed files with 17 additions and 14 deletions
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31
fftools/ffmpeg_filter.c
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@ -203,6 +203,21 @@ static OutputFilter *ofilter_alloc(FilterGraph *fg)
return ofilter;
}
static InputFilter *ifilter_alloc(FilterGraph *fg)
{
InputFilter *ifilter;
ifilter = ALLOC_ARRAY_ELEM(fg->inputs, fg->nb_inputs);
ifilter->graph = fg;
ifilter->format = -1;
ifilter->frame_queue = av_fifo_alloc2(8, sizeof(AVFrame*), AV_FIFO_FLAG_AUTO_GROW);
if (!ifilter->frame_queue)
report_and_exit(AVERROR(ENOMEM));
return ifilter;
}
void fg_free(FilterGraph **pfg)
{
FilterGraph *fg = *pfg;
@ -281,14 +296,8 @@ int init_simple_filtergraph(InputStream *ist, OutputStream *ost)
ost->filter = ofilter;
ifilter = ALLOC_ARRAY_ELEM(fg->inputs, fg->nb_inputs);
ifilter = ifilter_alloc(fg);
ifilter->ist = ist;
ifilter->graph = fg;
ifilter->format = -1;
ifilter->frame_queue = av_fifo_alloc2(8, sizeof(AVFrame*), AV_FIFO_FLAG_AUTO_GROW);
if (!ifilter->frame_queue)
report_and_exit(AVERROR(ENOMEM));
ist_filter_add(ist, ifilter, 1);
@ -379,17 +388,11 @@ static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
}
av_assert0(ist);
ifilter = ALLOC_ARRAY_ELEM(fg->inputs, fg->nb_inputs);
ifilter = ifilter_alloc(fg);
ifilter->ist = ist;
ifilter->graph = fg;
ifilter->format = -1;
ifilter->type = ist->st->codecpar->codec_type;
ifilter->name = describe_filter_link(fg, in, 1);
ifilter->frame_queue = av_fifo_alloc2(8, sizeof(AVFrame*), AV_FIFO_FLAG_AUTO_GROW);
if (!ifilter->frame_queue)
report_and_exit(AVERROR(ENOMEM));
ist_filter_add(ist, ifilter, 0);
}