Ignore audio streams with no codec, instead of crashing.

diff --git a/src/lib/ffmpeg_examiner.cc b/src/lib/ffmpeg_examiner.cc
index c57845779d9e301c3e40f170f16e32e1188a549f..32b60e0cba53e61009019c5bd217fe57c8766304 100644 (file)
--- a/src/lib/ffmpeg_examiner.cc
+++ b/src/lib/ffmpeg_examiner.cc
@@ -62,7 +62,7 @@ FFmpegExaminer::FFmpegExaminer (shared_ptr<const FFmpegContent> c, shared_ptr<Jo
 
        for (uint32_t i = 0; i < _format_context->nb_streams; ++i) {
                AVStream* s = _format_context->streams[i];
-               if (s->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
+               if (s->codec->codec_type == AVMEDIA_TYPE_AUDIO && s->codec->codec) {
 
                        /* This is a hack; sometimes it seems that _audio_codec_context->channel_layout isn't set up,
                           so bodge it here.  No idea why we should have to do this.
@@ -73,7 +73,6 @@ FFmpegExaminer::FFmpegExaminer (shared_ptr<const FFmpegContent> c, shared_ptr<Jo
                        }
 
                        DCPOMATIC_ASSERT (_format_context->duration != AV_NOPTS_VALUE);
-                       DCPOMATIC_ASSERT (s->codec->codec);
                        DCPOMATIC_ASSERT (s->codec->codec->name);
 
                        _audio_streams.push_back (