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update README and init PGO

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Levon Gevorgyan
2025-12-20 12:02:06 -06:00
parent 25093463af
commit 30ddc39ed5
2 changed files with 47 additions and 37 deletions
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README.md
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@@ -35,13 +35,14 @@ The default enabled libraries included in the `ffmpeg` build are:
- libmp3lame
The user-overridable compile options are:
- `CLEAN`: clean build directories before building (default: ON)
- `LTO`: enable link time optimization (default: ON)
- `OPT`: optimization level (0-3) (default: 3)
- `STATIC`: static or shared build (default: ON)
- `ARCH`: architecture type (x86-64-v{1,2,3,4}, armv8-a, etc) (default: native)
- `PREFIX`: prefix to install to, default is local install in ./gitignore/sysroot (default: local)
- `ENABLE`: configure what ffmpeg enables (default: libsvtav1_psy libopus libdav1d libaom librav1e libvmaf libx264 libx265 libwebp libmp3lame)
- `PREFIX`: prefix to install to, default is local install in ./gitignore/sysroot (default: local)
- `STATIC`: static or shared build (default: ON)
- `LTO`: enable link time optimization (default: ON)
- `CLEAN`: clean build directories before building (default: ON)
- `PGO`: enable profile guided optimization (default: OFF)
- `ARCH`: architecture type (x86-64-v{1,2,3,4}, armv8-a, etc) (default: native)
- `OPT`: optimization level (0-3) (default: 3)
Examples:
- only build libsvtav1_psy and libopus: `ENABLE='libsvtav1_psy libopus' ./scripts/build.sh`
@@ -120,33 +121,41 @@ efg -i input [options]
Example usage:
- `efg -i input.mkv -p`
```
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0 5 10 15 20 25 30
```