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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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73
README.md
View File

@@ -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`
```
1 +------------------------------------------------------------------------------------------------------+
| *****G***** + + + |
| *****G** '/tmp/plot.dat' ***G*** |
0.95 |-+ ***** +-|
| **G* |
| *** |
| **** |
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| **** |
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| *** |
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0.75 |-+ *** +-|
| **** |
| *G* |
0.7 |-+ *** +-|
10000 +------------------------------------------------------------------------------------------------------------------------------------------+
| **G* + + + + + |
| ** /Volumes/External/ffmpeg-builder/gitignore/tmp/efg-matrix-reloaded.mkv/plot.dat ***G*** |
| *G** |
| **G |
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| *G** |
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0.65 |-+ *** +-|
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| + + + *|
0.6 +------------------------------------------------------------------------------------------------------+
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| ** |
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5000 |-+ **G** +-|
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| **G****|
| |
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| + + + + + |
3000 +------------------------------------------------------------------------------------------------------------------------------------------+
0 5 10 15 20 25 30
```

7
lib/compile_opts.sh
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@@ -14,6 +14,9 @@ DEFAULT_CLEAN=ON
FB_COMP_OPTS_DESC['LTO']='enable link time optimization'
DEFAULT_LTO=ON
FB_COMP_OPTS_DESC['PGO']='enable profile guided optimization'
DEFAULT_PGO=OFF
FB_COMP_OPTS_DESC['OPT']='optimization level (0-3)'
DEFAULT_OPT=3
@@ -41,9 +44,7 @@ libmp3lame\
"
# user-overridable compile option variable names
FB_COMP_OPTS=(
CLEAN LTO OPT STATIC ARCH PREFIX ENABLE
)
FB_COMP_OPTS=("${!FB_COMP_OPTS_DESC[@]}")
# sets FB_COMP_OPTS to allow for user-overriding
check_compile_opts_override() {