lavfi: when configuring a link, set channel layout from previous link if unspecified

In avfilter_config_links(), if the current channel layout is not
specified, set the same value of the previous link in the filterchain.

Consistent with the logic used to set the other link parameters.
This commit is contained in:
Stefano Sabatini 2012-08-31 23:55:11 +02:00
parent 06fc74bda0
commit 34bf06a35c

View File

@ -277,6 +277,8 @@ int avfilter_config_links(AVFilterContext *filter)
link->sample_rate = inlink->sample_rate;
if (!link->time_base.num && !link->time_base.den)
link->time_base = inlink->time_base;
if (!link->channel_layout)
link->channel_layout = inlink->channel_layout;
} else if (!link->sample_rate) {
av_log(link->src, AV_LOG_ERROR,
"Audio source filters must set their output link's "