fprintf(stderr, "%s: Cannot fill codec parameters\n", pathname.c_str());
return nullptr;
}
- AVCodec *codec = avcodec_find_decoder(codecpar->codec_id);
+ const AVCodec *codec = avcodec_find_decoder(codecpar->codec_id);
if (codec == nullptr) {
fprintf(stderr, "%s: Cannot find decoder\n", pathname.c_str());
return nullptr;