Fix invalid memory access introduced in 6f832724ef942f133f6f8d0a06d7377beea8f7a6

diff --git a/src/lib/ffmpeg_examiner.cc b/src/lib/ffmpeg_examiner.cc
index a793c7b985d09bfcd91114abe76c6723327dc252..bd6a9b20d475b6b23a7781a735bf52f09b19281e 100644 (file)
--- a/src/lib/ffmpeg_examiner.cc
+++ b/src/lib/ffmpeg_examiner.cc
@@ -69,7 +69,7 @@ FFmpegExaminer::FFmpegExaminer (shared_ptr<const FFmpegContent> c, shared_ptr<Jo
 
        for (uint32_t i = 0; i < _format_context->nb_streams; ++i) {
                auto s = _format_context->streams[i];
-               auto codec = _codec_context[i]->codec;
+               auto codec = _codec_context[i] ? _codec_context[i]->codec : nullptr;
                if (s->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && codec) {
 
                        /* This is a hack; sometimes it seems that _audio_codec_context->channel_layout isn't set up,