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The x86/ARM architectures make use of SSSE3 and NEON for the codec support in this library. We probably will need some optimization work done to meet parity.
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Hi Matthew Oliver,
first let me tell you how thankfull I am that you share all your work necessary for porting ffmoeg and its libraries to VS. That was extremely helpfull for me!
Have you had a l…
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```
15:01.64 ld.lld: error: undefined symbol: aom_codec_version
15:01.64 >>> referenced by libaomenc.c:1442 (/build/firefox-brli/src/firefox-123.0/media/ffvpx/libavcodec/libaomenc.c:1442)
15:01.64 …
Brli updated
4 months ago
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### Describe the bug
ffmpeg for aarch64 darwin can't encode libaom-av1
### Steps To Reproduce
Steps to reproduce the behavior:
1. having pkgs.ffmpeg-full from unstable channel installed
2. ffmp…
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07:29:21 Running git clone for libavif...
07:29:25 Running git update for libavif...
07:29:25 ┌ libavif git .............................. [Recently updated]
07:29:25 ├ Running cmake...
07:29…
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`Run the aom.cmd script in the third-party directory to download libaom and compile it.`
This script requires cmake, ninja nasm to be installed, and even then it won't build the libaom successfully. …
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If VP9 is set as the default, it's probably okay to just display an error message if someone tries AV1 without having proper encoding support.
Will become less of an issue in the future anyway, as …
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The AOM encoder currently defaults to 4 threads and limits to 16 threads:
https://github.com/strukturag/libheif/blob/ddb541afdbe8dadfada4536077b8e4af1bb34b5e/libheif/plugins/encoder_aom.cc#L237-L246
…
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@fdintino @vrabaud
When linking avifenc with the merged static lib libavif.a, we still link with libaom.a, libdav1d.a, etc. unnecessarily. I believe the linker won't use libaom.a, libdav1d.a, etc. …
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The current recommended `avifenc` command line to encode an image, say at quantize level 18, is very long (see https://web.dev/compress-images-avif/):
`./avifenc --min 0 --max 63 -a end-usage=q -a …