Commit 66fdbcbb authored by Clément Bœsch's avatar Clément Bœsch Committed by Clément Bœsch

pan: raise correct error when there is no param specified.

parent 0bb57f8b
......@@ -95,6 +95,12 @@ static av_cold int init(AVFilterContext *ctx, const char *args0, void *opaque)
int nb_in_channels[2] = { 0, 0 }; // number of unnamed and named input channels
double gain;
if (!args0) {
av_log(ctx, AV_LOG_ERROR,
"pan filter needs a channel layout and a set "
"of channels definitions as parameter\n");
return AVERROR(EINVAL);
}
if (!args)
return AVERROR(ENOMEM);
arg = av_strtok(args, ":", &tokenizer);
......
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