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| author | Nicolas George <george@nsup.org> | 2015-10-25 19:48:10 +0100 |
|---|---|---|
| committer | Nicolas George <george@nsup.org> | 2015-10-30 10:55:10 +0100 |
| commit | e8e7eb150f152c9e4858ef0be3e76e4f98533cf6 (patch) | |
| tree | db04ccb9db76de4d3f2c55ffa7d94084cec7bf9d | |
| parent | b38e685c053786bc20743cc6b3e54e6ae1fe957b (diff) | |
| download | ffmpeg-e8e7eb150f152c9e4858ef0be3e76e4f98533cf6.tar.gz | |
ffmpeg_filter: check encoder before using it to set frame size.
Fix a segfault when no encoder is found for a default codec
with a complex filter graph.
| -rw-r--r-- | ffmpeg_filter.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/ffmpeg_filter.c b/ffmpeg_filter.c index 10b2f5f722..9142a97e8f 100644 --- a/ffmpeg_filter.c +++ b/ffmpeg_filter.c @@ -1046,6 +1046,13 @@ int configure_filtergraph(FilterGraph *fg) for (i = 0; i < fg->nb_outputs; i++) { OutputStream *ost = fg->outputs[i]->ost; + if (!ost->enc) { + /* identical to the same check in ffmpeg.c, needed because + complex filter graphs are initialized earlier */ + av_log(NULL, AV_LOG_ERROR, "Encoder (codec %s) not found for output stream #%d:%d\n", + avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index); + return AVERROR(EINVAL); + } if (ost && ost->enc->type == AVMEDIA_TYPE_AUDIO && !(ost->enc->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)) |