if (link->out_chlayouts)
avfilter_formats_changeref(&link->out_chlayouts,
&filt->outputs[filt_dstpad_idx]->out_chlayouts);
+ if (link->out_packing)
+ avfilter_formats_changeref(&link->out_packing,
+ &filt->outputs[filt_dstpad_idx]->out_packing);
return 0;
}
if ((ret = avfilter_config_links(link->src)) < 0)
return ret;
- if (!(config_link = link->srcpad->config_props))
- config_link = avfilter_default_config_output_link;
- if ((ret = config_link(link)) < 0)
+ if (!(config_link = link->srcpad->config_props)) {
+ if (link->src->input_count != 1) {
+ av_log(link->src, AV_LOG_ERROR, "Source filters and filters "
+ "with more than one input "
+ "must set config_props() "
+ "callbacks on all outputs\n");
+ return AVERROR(EINVAL);
+ }
+ } else if ((ret = config_link(link)) < 0)
return ret;
- if (link->time_base.num == 0 && link->time_base.den == 0)
- link->time_base = link->src && link->src->input_count ?
- link->src->inputs[0]->time_base : AV_TIME_BASE_Q;
-
- if (link->sample_aspect_ratio.num == 0 && link->sample_aspect_ratio.den == 0)
- link->sample_aspect_ratio = link->src->input_count ?
- link->src->inputs[0]->sample_aspect_ratio : (AVRational){1,1};
-
- if (link->sample_rate == 0 && link->src && link->src->input_count)
- link->sample_rate = link->src->inputs[0]->sample_rate;
-
- if (link->channel_layout == 0 && link->src && link->src->input_count)
- link->channel_layout = link->src->inputs[0]->channel_layout;
+ switch (link->type) {
+ case AVMEDIA_TYPE_VIDEO:
+ if (!link->time_base.num && !link->time_base.den)
+ link->time_base = link->src->input_count ?
+ link->src->inputs[0]->time_base : AV_TIME_BASE_Q;
+
+ if (!link->sample_aspect_ratio.num && !link->sample_aspect_ratio.den)
+ link->sample_aspect_ratio = link->src->input_count ?
+ link->src->inputs[0]->sample_aspect_ratio : (AVRational){1,1};
+
+ if (link->src->input_count) {
+ if (!link->w)
+ link->w = link->src->inputs[0]->w;
+ if (!link->h)
+ link->h = link->src->inputs[0]->h;
+ } else if (!link->w || !link->h) {
+ av_log(link->src, AV_LOG_ERROR,
+ "Video source filters must set their output link's "
+ "width and height\n");
+ return AVERROR(EINVAL);
+ }
+ break;
+
+ case AVMEDIA_TYPE_AUDIO:
+ if (link->src->input_count) {
+ if (!link->sample_rate)
+ link->sample_rate = link->src->inputs[0]->sample_rate;
+ } else if (!link->sample_rate) {
+ av_log(link->src, AV_LOG_ERROR,
+ "Audio source filters must set their output link's "
+ "sample_rate\n");
+ return AVERROR(EINVAL);
+ }
+ }
if ((config_link = link->dstpad->config_props))
if ((ret = config_link(link)) < 0)