6 KiB
6 KiB
Kirika
Collection of audio utilities for decoding/encoding files and streams.
- Not based on ffmpeg/libav/libavcodec/libavformat and alike
- Channel-based audio consumption/filter chain
- Raw sample analyzer channels
- AnalyzerChannel channels / mergers / splitters / trimmers
- Audio resampler
- Audio downmixing to stereo/mono
- Multi-codec decoder and encoder
- Multi-format packetizers
- ReplayGain 2.0 track/album calculator
Codecs supported
| Codec | Containers | Decoder | Analyzer | Encoder | Notes |
|---|---|---|---|---|---|
| FLAC | FLAC, Ogg | ✅ | ✅ | ✅ | Adjustable encoding compression level and block size. Decoding/encoding by libFLAC via goflac. |
| TTA | TTA | ✅ | ✅ | ✅ | Decoding/encoding via go-tta. |
| MP3 | MP3 | ✅ | - | ✅ | Adjustable encoding bitrate and mode. Decoding via minimp3, encoding by LAME via go-lame. |
| Opus | Ogg | ✅ | - | ✅ | Adjustable encoding bitrate. Decoding/encoding by libopus via go-pus. |
| Vorbis | Ogg | ✅ | - | ❌ | Decoding by jfreymuth/vorbis via jfreymuth/oggvorbis. |
| AAC | ADTS | ✅ | - | ✅ | Adjustable encoding bitrate and mode (LC, HEv2). Decoding/encoding by FDK-AAC via go-fdkaac. |
Container packetizers supported
| Container | Packetizer | Keep Mode | Sample Numbers | Notes |
|---|---|---|---|---|
| FLAC | ✅ | ✅ | ✅ | Uses mewkiz/flac for parsing streams. |
| TTA | ❌ | - | - | |
| MP3 | ✅ | ✅ | ✅ | Uses sssgun/mp3 as a frame parser. |
| Ogg | ✅ | ✅ | ✅* | *Sample numbers (absolute granule position in Ogg) depend on underlying codec implementing it. Has been tested as working for Opus |
| ADTS | ✅ | ✅ | ✅ | Uses edgeware/mp4ff for its ADTS frame parser. |
Dependencies
Go >= 1.18
libFLAC (required by goflac)
sudo apt install libflac-dev
libopus and libopusfile (required by go-pus)
sudo apt install libopus-dev libopusfile-dev
libopusenc (required by go-pus)
git clone --depth 1 https://github.com/xiph/libopusenc.git
cd libopusenc
./autogen.sh
./configure --prefix /usr
make
sudo make install
FDK AAC Codec Library (required by go-fdkaac)
git clone --depth 1 https://github.com/mstorsjo/fdk-aac.git
cd fdk-aac
./autogen.sh
./configure --prefix /usr
make -j$(nproc)
sudo make install
LAME (required by go-lame)
sudo apt install libmp3lame-dev
libsamplerate (required by gosamplerate)
sudo apt install libsamplerate0-dev
libebur128 (required by go-ebur128)
sudo apt install libebur128-dev