H.264 error with wgpu example about rust-sdks HOT 13 CLOSED

which version of the SDK did you get this error with?

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client-sdk-rust:
commit c746592 (HEAD -> main, tag: webrtc-a59e857, origin/main, origin/HEAD)
livekit server:
v1.4.5

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Hey @snow2flying, can you send me your list of dependencies inside your project?
EDIT: FYI libwebrtc is using ffmpeg openh264

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yes I do have ffmpeg with h264 installed on my laptop.

my os:

lsb_release -a

No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux 12 (bookworm)
Release: 12
Codename: bookworm

this is how I installed ffmpeg:

apt install ffmpeg

this is how I check ffmpeg with h264:

 ffmpeg -codecs | grep 264

ffmpeg version 5.1.3-1 Copyright (c) 2000-2022 the FFmpeg developers
built with gcc 12 (Debian 12.2.0-14)
configuration: --prefix=/usr --extra-version=1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libglslang --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librist --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libsvtav1 --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --disable-sndio --enable-libjxl --enable-pocketsphinx --enable-librsvg --enable-libmfx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-libplacebo --enable-librav1e --enable-shared
libavutil 57. 28.100 / 57. 28.100
libavcodec 59. 37.100 / 59. 37.100
libavformat 59. 27.100 / 59. 27.100
libavdevice 59. 7.100 / 59. 7.100
libavfilter 8. 44.100 / 8. 44.100
libswscale 6. 7.100 / 6. 7.100
libswresample 4. 7.100 / 4. 7.100
libpostproc 56. 6.100 / 56. 6.100
DEV.LS h264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (decoders: h264 h264_v4l2m2m h264_qsv h264_cuvid ) (encoders: libx264 libx264rgb h264_nvenc h264_omx h264_qsv h264_v4l2m2m h264_vaapi )

this is my client-sdk-rust:

git log

commit c746592 (HEAD -> main, tag: webrtc-fcdef0d, tag: webrtc-a59e857, origin/main, origin/HEAD)
Author: Théo Monnom [email protected]
Date: Tue Aug 29 10:51:14 2023 -0700

add e2ee deps to webrtc patches (#167)

this is how I run the example:

cd client-sdk-rust/examples/ && cargo run -p wgpu_room --release

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and my rust version:

stable-x86_64-unknown-linux-gnu (default)
rustc 1.72.0 (5680fa18f 2023-08-23)

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and also tonight I compiled and installed the latest ffmpeg from source code. The error is still the same.
This is my new ffmpeg:

ffmpeg -codecs | grep 264

ffmpeg version 6.0 Copyright (c) 2000-2023 the FFmpeg developers
built with gcc 12 (Debian 12.2.0-14)
configuration: --enable-nonfree --enable-gpl --enable-openssl --enable-libdav1d --enable-libsvtav1 --enable-librav1e --enable-libx264 --enable-libx265 --enable-libvpx --enable-libxvid --enable-libvidstab --enable-libaom --enable-libzimg --enable-lv2 --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libtheora --enable-libfdk-aac --enable-libwebp --enable-libsrt --disable-ffnvcodec --enable-amf --disable-debug --disable-shared --enable-pthreads --enable-static --enable-version3 --extra-cflags='-I/home/damo/install/ffmpeg/ffmpeg-build-script/workspace/include -I/home/damo/install/ffmpeg/ffmpeg-build-script/workspace/include/lilv-0' --extra-ldexeflags= --extra-ldflags=-L/home/damo/install/ffmpeg/ffmpeg-build-script/workspace/lib --extra-libs='-ldl -lpthread -lm -lz' --pkgconfigdir=/home/damo/install/ffmpeg/ffmpeg-build-script/workspace/lib/pkgconfig --pkg-config-flags=--static --prefix=/home/damo/install/ffmpeg/ffmpeg-build-script/workspace --extra-version=
libavutil 58. 2.100 / 58. 2.100
libavcodec 60. 3.100 / 60. 3.100
libavformat 60. 3.100 / 60. 3.100
libavdevice 60. 1.100 / 60. 1.100
libavfilter 9. 3.100 / 9. 3.100
libswscale 7. 1.100 / 7. 1.100
libswresample 4. 10.100 / 4. 10.100
libpostproc 57. 1.100 / 57. 1.100
DEV.LS h264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (decoders: h264 h264_v4l2m2m ) (encoders: libx264 libx264rgb h264_amf h264_v4l2m2m )

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Seems like you don't have --enable-libopenh264?
Also it is weird because this should be statically linked into the rust lib

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I compiled ffmpeg with libopenh264 enabled, but the error is still the same:

ffmpeg -codecs |grep openh264

ffmpeg version 6.0 Copyright (c) 2000-2023 the FFmpeg developers
built with gcc 12 (Debian 12.2.0-14)
configuration: --enable-nonfree --enable-gpl --enable-openssl --enable-libdav1d --enable-libsvtav1 --enable-librav1e --enable-libx264 --enable-libx265 --enable-libvpx --enable-libxvid --enable-libvidstab --enable-libaom --enable-libzimg --enable-lv2 --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libtheora --enable-libfdk-aac --enable-libwebp --enable-libsrt --disable-ffnvcodec --enable-amf --disable-debug --disable-shared --enable-pthreads --enable-static --enable-version3 --enable-libopenh264 --extra-cflags='-I/home/damo/install/ffmpeg/ffmpeg-build-script/workspace/include -I/home/damo/install/ffmpeg/ffmpeg-build-script/workspace/include/lilv-0' --extra-ldexeflags= --extra-ldflags=-L/home/damo/install/ffmpeg/ffmpeg-build-script/workspace/lib --extra-libs='-ldl -lpthread -lm -lz' --pkgconfigdir=/home/damo/install/ffmpeg/ffmpeg-build-script/workspace/lib/pkgconfig --pkg-config-flags=--static --prefix=/home/damo/install/ffmpeg/ffmpeg-build-script/workspace --extra-version=
libavutil 58. 2.100 / 58. 2.100
libavcodec 60. 3.100 / 60. 3.100
libavformat 60. 3.100 / 60. 3.100
libavdevice 60. 1.100 / 60. 1.100
libavfilter 9. 3.100 / 9. 3.100
libswscale 7. 1.100 / 7. 1.100
libswresample 4. 10.100 / 4. 10.100
libpostproc 57. 1.100 / 57. 1.100
DEV.LS h264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (decoders: h264 h264_v4l2m2m libopenh264 ) (encoders: libx264 libx264rgb libopenh264 h264_amf h264_v4l2m2m )

this is the error:

[2023-09-01T12:28:47Z ERROR libwebrtc] (h264_decoder_impl.cc:312): FFmpeg H.264 decoder not found.
[2023-09-01T12:28:47Z ERROR libwebrtc] (decoder_database.cc:148): Failed to initialize decoder.

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mb a regression due to #130 ?

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what is your building os platform?
I tried Windows too. I could not get it built successfully.

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can you put compiling descriptions in the readme? that will be helpful

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we'll update the library so it works out of the box.

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Fixed by #241

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