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avconv: split configuring input filters out of configure_complex_filter

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This commit is contained in:
Anton Khirnov 2012-05-26 11:18:21 +02:00
parent f919cc7df6
commit a977d91e28
1 changed files with 61 additions and 37 deletions
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98
avconv.c
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@ -1119,6 +1119,65 @@ static int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFil
} }
} }
static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
AVFilterInOut *in)
{
AVFilter *filter = avfilter_get_by_name("buffer");
InputStream *ist = ifilter->ist;
AVRational sar;
char args[255];
int ret;
sar = ist->st->sample_aspect_ratio.num ?
ist->st->sample_aspect_ratio :
ist->st->codec->sample_aspect_ratio;
snprintf(args, sizeof(args), "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
sar.num, sar.den);
if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter, in->name,
args, NULL, fg->graph)) < 0)
return ret;
if ((ret = avfilter_link(ifilter->filter, 0, in->filter_ctx, in->pad_idx)) < 0)
return ret;
return 0;
}
static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter,
AVFilterInOut *in)
{
AVFilter *filter = avfilter_get_by_name("abuffer");
InputStream *ist = ifilter->ist;
char args[255];
int ret;
snprintf(args, sizeof(args), "time_base=%d/%d:sample_rate=%d:sample_fmt=%s"
":channel_layout=0x%"PRIx64,
ist->st->time_base.num, ist->st->time_base.den,
ist->st->codec->sample_rate,
av_get_sample_fmt_name(ist->st->codec->sample_fmt),
ist->st->codec->channel_layout);
if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter,
in->name, args, NULL,
fg->graph)) < 0)
return ret;
if ((ret = avfilter_link(ifilter->filter, 0, in->filter_ctx, in->pad_idx)) < 0)
return ret;
return 0;
}
static int configure_input_filter(FilterGraph *fg, InputFilter *ifilter,
AVFilterInOut *in)
{
switch (in->filter_ctx->input_pads[in->pad_idx].type) {
case AVMEDIA_TYPE_VIDEO: return configure_input_video_filter(fg, ifilter, in);
case AVMEDIA_TYPE_AUDIO: return configure_input_audio_filter(fg, ifilter, in);
default: av_assert0(0);
}
}
static int configure_complex_filter(FilterGraph *fg) static int configure_complex_filter(FilterGraph *fg)
{ {
AVFilterInOut *inputs, *outputs, *cur; AVFilterInOut *inputs, *outputs, *cur;
@ -1134,44 +1193,9 @@ static int configure_complex_filter(FilterGraph *fg)
for (cur = inputs; init && cur; cur = cur->next) for (cur = inputs; init && cur; cur = cur->next)
init_input_filter(fg, cur); init_input_filter(fg, cur);
for (cur = inputs, i = 0; cur; cur = cur->next, i++) { for (cur = inputs, i = 0; cur; cur = cur->next, i++)
InputFilter *ifilter = fg->inputs[i]; if ((ret = configure_input_filter(fg, fg->inputs[i], cur)) < 0)
InputStream *ist = ifilter->ist;
AVRational sar;
AVFilter *filter;
char args[255];
switch (cur->filter_ctx->input_pads[cur->pad_idx].type) {
case AVMEDIA_TYPE_VIDEO:
sar = ist->st->sample_aspect_ratio.num ?
ist->st->sample_aspect_ratio :
ist->st->codec->sample_aspect_ratio;
snprintf(args, sizeof(args), "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
sar.num, sar.den);
filter = avfilter_get_by_name("buffer");
break;
case AVMEDIA_TYPE_AUDIO:
snprintf(args, sizeof(args), "time_base=%d/%d:sample_rate=%d:"
"sample_fmt=%s:channel_layout=0x%"PRIx64,
ist->st->time_base.num, ist->st->time_base.den,
ist->st->codec->sample_rate,
av_get_sample_fmt_name(ist->st->codec->sample_fmt),
ist->st->codec->channel_layout);
filter = avfilter_get_by_name("abuffer");
break;
default:
av_assert0(0);
}
if ((ret = avfilter_graph_create_filter(&ifilter->filter,
filter, cur->name,
args, NULL, fg->graph)) < 0)
return ret; return ret;
if ((ret = avfilter_link(ifilter->filter, 0,
cur->filter_ctx, cur->pad_idx)) < 0)
return ret;
}
avfilter_inout_free(&inputs); avfilter_inout_free(&inputs);
if (!init) { if (!init) {