Kevin Kofler via rpmfusion-developers wrote: Unfortunately, it does not build due to FFmpeg incompatibilities: In file included from gen/media/filters/filters_jumbo_5.cc:6: ./../../3rdparty/chromium/media/filters/audio_file_reader.cc: In member function 'bool media::AudioFileReader::OpenDecoder()': ./../../3rdparty/chromium/media/filters/audio_file_reader.cc:88:40: error: invalid conversion from 'const AVCodec*' to 'AVCodec*' [-fpermissive] 88 | AVCodec* codec = avcodec_find_decoder(codec_context_->codec_id); | ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~ | | | const AVCodec* In file included from gen/media/filters/filters_jumbo_5.cc:9: ./../../3rdparty/chromium/media/filters/ffmpeg_audio_decoder.cc: In member function 'bool media::FFmpegAudioDecoder::ConfigureDecoder(const media::AudioDecoderConfig&)': ./../../3rdparty/chromium/media/filters/ffmpeg_audio_decoder.cc:332:40: error: invalid conversion from 'const AVCodec*' to 'AVCodec*' [-fpermissive] 332 | AVCodec* codec = avcodec_find_decoder(codec_context_->codec_id); | ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~ | | | const AVCodec* In file included from gen/media/filters/filters_jumbo_5.cc:10: ./../../3rdparty/chromium/media/filters/ffmpeg_demuxer.cc: In function 'base::TimeDelta media::ExtractStartTime(AVStream*)': ./../../3rdparty/chromium/media/filters/ffmpeg_demuxer.cc:101:15: error: 'AVStream' {aka 'struct AVStream'} has no member named 'first_dts' 101 | if (stream->first_dts != kNoFFmpegTimestamp && | ^~~~~~~~~ ./../../3rdparty/chromium/media/filters/ffmpeg_demuxer.cc:106:56: error: 'AVStream' {aka 'struct AVStream'} has no member named 'first_dts' 106 | ConvertFromTimeBase(stream->time_base, stream->first_dts); | ^~~~~~~~~ ./../../3rdparty/chromium/media/filters/ffmpeg_demuxer.cc: In member function 'void media::FFmpegDemuxerStream::EnqueuePacket(media::ScopedAVPacket)': ./../../3rdparty/chromium/media/filters/ffmpeg_demuxer.cc:413:54: error: cannot convert 'int*' to 'size_t*' {aka 'long unsigned int*'} 413 | packet.get(), AV_PKT_DATA_WEBVTT_IDENTIFIER, &id_size); | ^~~~~~~~ | | | int* In file included from /usr/include/ffmpeg/libavcodec/avcodec.h:45, from ../../3rdparty/chromium/media/ffmpeg/ffmpeg_common.h:28, from ./../../3rdparty/chromium/media/filters/audio_file_reader.cc:19: /usr/include/ffmpeg/libavcodec/packet.h:598:42: note: initializing argument 3 of 'uint8_t* av_packet_get_side_data(const AVPacket*, AVPacketSideDataType, size_t*)' 598 | size_t *size); | ~~~~~~~~^~~~ ./../../3rdparty/chromium/media/filters/ffmpeg_demuxer.cc:417:52: error: cannot convert 'int*' to 'size_t*' {aka 'long unsigned int*'} 417 | packet.get(), AV_PKT_DATA_WEBVTT_SETTINGS, &settings_size); | ^~~~~~~~~~~~~~ | | | int* /usr/include/ffmpeg/libavcodec/packet.h:598:42: note: initializing argument 3 of 'uint8_t* av_packet_get_side_data(const AVPacket*, AVPacketSideDataType, size_t*)' 598 | size_t *size); | ~~~~~~~~^~~~ ./../../3rdparty/chromium/media/filters/ffmpeg_demuxer.cc:429:61: error: cannot convert 'int*' to 'size_t*' {aka 'long unsigned int*'} 429 | packet.get(), AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL, &side_data_size); | ^~~~~~~~~~~~~~~ | | | int* /usr/include/ffmpeg/libavcodec/packet.h:598:42: note: initializing argument 3 of 'uint8_t* av_packet_get_side_data(const AVPacket*, AVPacketSideDataType, size_t*)' 598 | size_t *size); | ~~~~~~~~^~~~ ./../../3rdparty/chromium/media/filters/ffmpeg_demuxer.cc:491:53: error: cannot convert 'int*' to 'size_t*' {aka 'long unsigned int*'} 491 | packet.get(), AV_PKT_DATA_SKIP_SAMPLES, &skip_samples_size)); | ^~~~~~~~~~~~~~~~~~ | | | int* /usr/include/ffmpeg/libavcodec/packet.h:598:42: note: initializing argument 3 of 'uint8_t* av_packet_get_side_data(const AVPacket*, AVPacketSideDataType, size_t*)' 598 | size_t *size); | ~~~~~~~~^~~~ Kevin Kofler