This patch is for discussion only, not ready to commit yet.
We were facing issue when using -hwaccel cuvid, then we were unable to use -filter_complex filters for video streams, this hack fixed it, but i am sure that it is not ready to commit, because it is dirty/ugly fix.
-- Miroslav Slugeň
>From 569a2c69e799d5fed364fbe55de2a49e2bbeab06 Mon Sep 17 00:00:00 2001 From: Miroslav Slugen <thunde...@email.cz> Date: Sun, 12 Feb 2017 20:15:13 +0100 Subject: [PATCH 1/1] ffmpeg_filter: initialize cuvid for filter_complex --- ffmpeg_filter.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/ffmpeg_filter.c b/ffmpeg_filter.c index f13f523..1eb75b6 100644 --- a/ffmpeg_filter.c +++ b/ffmpeg_filter.c @@ -1026,6 +1026,26 @@ int configure_filtergraph(FilterGraph *fg) fg->graph->nb_threads = filter_complex_nbthreads; } +#if CONFIG_CUVID + if (!simple) { + for (i = 0; i < fg->nb_outputs; i++) { + OutputFilter *ofilter = fg->outputs[i]; + int source_index; + if (!ofilter->ost || ofilter->ost->source_index >= 0) + continue; + if (fg->nb_inputs != 1) + continue; + for (source_index = nb_input_streams-1; source_index >= 0; source_index--) + if (fg->inputs[0]->ist == input_streams[source_index]) + break; + ofilter->ost->source_index = source_index; + + if (cuvid_transcode_init(ofilter->ost)) + exit_program(1); + } + } +#endif + if ((ret = avfilter_graph_parse2(fg->graph, graph_desc, &inputs, &outputs)) < 0) return ret; -- 2.1.4
_______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel