diff --git a/fftools/ffmpeg_filter.c b/fftools/ffmpeg_filter.c index 3f6b906468..3bf1862ab6 100644 --- a/fftools/ffmpeg_filter.c +++ b/fftools/ffmpeg_filter.c @@ -504,6 +504,7 @@ static void set_channel_layout(OutputFilter *f, OutputStream *ost) void ofilter_bind_ost(OutputFilter *ofilter, OutputStream *ost) { + FilterGraph *fg = ofilter->graph; const AVCodec *c = ost->enc_ctx->codec; ofilter->ost = ost; @@ -538,6 +539,23 @@ void ofilter_bind_ost(OutputFilter *ofilter, OutputStream *ost) } break; } + + // if we have all input parameters and all outputs are bound, + // the graph can now be configured + if (ifilter_has_all_input_formats(fg)) { + int ret; + + for (int i = 0; i < fg->nb_outputs; i++) + if (!fg->outputs[i]->ost) + return; + + ret = configure_filtergraph(fg); + if (ret < 0) { + av_log(NULL, AV_LOG_ERROR, "Error configuring filter graph: %s\n", + av_err2str(ret)); + exit_program(1); + } + } } static InputFilter *ifilter_alloc(FilterGraph *fg)