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update README.md

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Levon Gevorgyan
2025-11-28 13:36:24 -06:00
parent 9596f68a9e
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@@ -52,15 +52,18 @@ Examples:
Make sure to install required dependencies using `./scripts/install_deps.sh`. Then build ffmpeg with the desired configuration using `./scripts/build.sh`.
### Docker build
1. choose a given distro from: ubuntu fedora debian archlinux.
1. choose a given distro from: `ubuntu fedora debian archlinux`.
2. build a docker image with the required dependencies pre-installed using `./scripts/docker_build_image.sh` `<distro>`.
3. run a docker image with the given arguments using `./scripts/docker_run_image.sh` `<distro>` `./scripts/build.sh`
Docker builds support the same configuration options as native builds. For example:
`ENABLE='libdav1d' ./scripts/docker_run_image.sh ubuntu ./scripts/build.sh` to build `ffmpeg` on ubuntu with only `libdav1d` enabled.
Docker builds support the same configuration options as native builds. For example to build `ffmpeg` on ubuntu with only `libdav1d` enabled:
```bash
./scripts/docker_build_image.sh ubuntu
ENABLE='libdav1d' ./scripts/docker_run_image.sh ubuntu ./scripts/build.sh
```
# Encoding scripts
The encoding scripts are designed to be installed to system paths for re-use via symbolic links back to this repo.
The encoding scripts are designed to be installed to system paths for re-use via symbolic links back to this repo using the `-I` flag.
## Encoding with svtav1-psy and opus
```bash
@@ -80,9 +83,9 @@ encode -i input [options] output
[-I] system install at /usr/local/bin/encode
[-U] uninstall from /usr/local/bin/encode
```
- Uses svtav1-psy for the video encoder
- Uses libopus for the audio encoder
- Skips re-encoding av1/opus content
- Uses svtav1-psy for the video encoder.
- Uses libopus for the audio encoder.
- Skips re-encoding av1/opus streams.
- Only maps audio streams that match the video stream language if the video stream has a defined language.
- Only maps english subtitle streams.
- Adds track statistics to the output mkv file and embeds the encoder versions to the output metadata. For example: