Unknown encoder 'libfdk_aac'

[clinderwell]

Describe the bug Everytime recording initiates, even with audio disabled, it tries to use an audio codec not in my ffmpeg installation. It appears the audio selection is unchangeable. As a result, I think it's erroring out my recording.

[1/17/2022, 1:12:50 AM] [CameraUI] Front Camera: Motion ON [1/17/2022, 1:12:51 AM] [CameraUI] Front Camera: Video fragments requested from HSV [1/17/2022, 1:12:51 AM] [CameraUI] Front Camera: Setting prebuffer stream as input [1/17/2022, 1:12:51 AM] [CameraUI] Front Camera: Can not access prebuffer stream, skipping: Error: Prebuffer process not started! [1/17/2022, 1:12:51 AM] [CameraUI] Front Camera: Replacing audio with a dummy track, audio source not found or timed out during probe stream (recording) [1/17/2022, 1:12:51 AM] [CameraUI] Front Camera: Start recording... [1/17/2022, 1:12:51 AM] [CameraUI] Front Camera: Recording command: ffmpeg -hide_banner -rtsp_transport tcp -re -i rtsp://admin:xxxx@xxxxx/cam/realmonitor?channel=1&subtype=0 -f lavfi -i anullsrc=cl=1 -shortest -f mp4 -sn -dn -vcodec libx264 -pix_fmt yuv420p -profile:v baseline -level:v 3.1 -b:v 2000k -force_key_frames expr:eq(t,n_forced*4) -r 30 -vf scale=w=1920:h=1080:force_original_aspect_ratio=1,pad=1920:1080:(ow-iw)/2:(oh-ih)/2 -bsf:a aac_adtstoasc -acodec libfdk_aac -profile:a aac_low -ar 32k -b:a 64k -ac 1 -movflags frag_keyframe+empty_moov+default_base_moof -max_muxing_queue_size 1024 tcp://127.0.0.1:26394 [1/17/2022, 1:12:55 AM] [CameraUI] Front Camera: Input #0, rtsp, from 'rtsp://admin:xxxx@xxxxx/cam/realmonitor?channel=1&subtype=0': Metadata: title : Server Duration: N/A, start: 0.400000, bitrate: N/A

[1/17/2022, 1:12:55 AM] [CameraUI] Front Camera: Stream #0:0: Video: hevc (Main), yuvj420p(pc, bt709), 2688x1520 [SAR 1:1 DAR 168:95], 5 fps, 5 tbr, 90k tbn, 5 tbc

[1/17/2022, 1:12:55 AM] [CameraUI] Front Camera: Input #1, lavfi, from 'anullsrc=cl=1': Duration: N/A, start: 0.000000, bitrate: 352 kb/s Stream #1:0: Audio: pcm_u8, 44100 Hz, 1 channels (FL), u8, 352 kb/s [1/17/2022, 1:12:55 AM] [CameraUI] Front Camera:

[1/17/2022, 1:12:55 AM] [CameraUI] Front Camera: Unknown encoder 'libfdk_aac'

[1/17/2022, 1:12:55 AM] [CameraUI] Front Camera: FFmpeg recording process exited with error! (null) [1/17/2022, 1:13:00 AM] [CameraUI] Front Camera: Closing recording process [1/17/2022, 1:13:00 AM] [CameraUI] Resetting motion state because HSV closed recording with reason "3" [1/17/2022, 1:13:00 AM] [CameraUI] Front Camera: Motion OFF - Motion handler timeout.

==> /root/.pm2/logs/homebridge-error.log <== [HDS ::ffff:192.168.1.28] Recording download stream 1 is still awaiting generator although stream was closed 10s ago!

Environment

• Node.js Version v16.13.0
• Npm Version v8.3.1
• Homebridge Version: v1.4.0-beta.7
• Camera UI Version: v5.0.8
• Operating System: Truenas

[seydx]

your ffmpeg is not compiled with the audio codec libfdk_aac which is required for audio to work. You can use the internal ffmpeg which provides all required codecs for camera.ui

Did you define the videoProcessor in config.json like this ?

"options": {
  "videoProcessor": "ffmpeg"
}

If yes, remove the entire "options" block from config.json and restart homebridge

[clinderwell]

Thanks for the quick response. I also realized that my ffmpeg (just the standard package) didn't have that codec. I'm not sure why we need it if I'm disabling audio perhaps some HSV thing. I tried compiling it myself but failed...it's not as simple.

Also, I tried installing the npm package ffmpeg-for-homebridge but it doesn't seem to be pointed to it or matter.

Any other suggestions?

Here is my config -

{ "name": "CameraUI", "port": 8181, "debug": true, "mqtt": { "active": false }, "http": { "active": false, "localhttp": false }, "smtp": { "active": false }, "ftp": { "active": false }, "ssl": { "active": false }, "cameras": [ { "name": "Garage Camera", "manufacturer": "Amcrest", "model": "IP4M-1026", "motion": true, "doorbell": true, "switches": true, "useInterfaceTimer": true, "motionTimeout": 15, "unbridge": true, "hsv": true, "prebuffering": true, "forcePrebuffering": false, "prebufferLength": 4000, "videoConfig": { "source": "-rtsp_transport tcp -re -i rtsp://admin:xxxx@xxxx/cam/realmonitor?channel=1&subtype=0", "subSource": "-rtsp_transport tcp -re -i rtsp://admin:xxxx@xxxx/cam/realmonitor?channel=1&subtype=0", "stillImageSource": "-i http://admin:xxxx@xxxx/cgi-bin/snapshot.cgi?chn=0&u=admin&p=xxxxx", "rtspTransport": "tcp", "maxStreams": 2, "maxWidth": 2688, "maxHeight": 1520, "maxBitrate": 2048, "vcodec": "libx264", "packetSize": 1316, "stimeout": 0, "encoderOptions": "-preset ultrafast", "audio": false, "debug": false }, "videoanalysis": { "active": true } }, { "name": "Back Patio Cam", "manufacturer": "Amcrest", "model": "IP4M-1026", "motion": true, "motionTimeout": 15, "unbridge": true, "hsv": true, "prebuffering": true, "prebufferLength": 4000, "videoConfig": { "source": "-rtsp_transport tcp -re -i rtsp://admin:xxxx@xxxx/cam/realmonitor?channel=1&subtype=0", "subSource": "-rtsp_transport tcp -re -i rtsp://admin:xxxx@xxxx/cam/realmonitor?channel=1&subtype=0", "stillImageSource": "-i http://admin:xxxx@xxxx/cgi-bin/snapshot.cgi?chn=0&u=admin&p=xxx", "rtspTransport": "tcp", "maxStreams": 2, "maxWidth": 2688, "maxHeight": 1520, "maxBitrate": 2048, "vcodec": "libx264", "packetSize": 1316, "stimeout": 0, "encoderOptions": "-preset ultrafast", "audio": false, "debug": false }, "videoanalysis": { "active": true } }, { "name": "Side Yard Camera", "manufacturer": "Amcrest", "model": "IP4M-1026", "motion": true, "motionTimeout": 15, "unbridge": true, "hsv": true, "prebuffering": true, "prebufferLength": 4000, "videoConfig": { "source": "-rtsp_transport tcp -re -i rtsp://admin:xxxx@xxxx/cam/realmonitor?channel=1&subtype=0", "subSource": "-rtsp_transport tcp -re -i rtsp://admin:xxxx@xxxx/cam/realmonitor?channel=1&subtype=0", "stillImageSource": "-i http://admin:xxxx@xxxx/cgi-bin/snapshot.cgi?chn=0&u=admin&p=xxx", "rtspTransport": "tcp", "maxStreams": 2, "maxWidth": 2688, "maxHeight": 1520, "maxBitrate": 2048, "vcodec": "libx264", "packetSize": 1316, "stimeout": 0, "encoderOptions": "-preset ultrafast", "audio": false, "debug": false }, "videoanalysis": { "active": true } }, { "name": "Front Camera", "manufacturer": "Amcrest", "model": "IP4M-1026", "motion": true, "doorbell": true, "switches": true, "useInterfaceTimer": true, "motionTimeout": 15, "unbridge": true, "hsv": true, "prebuffering": true, "prebufferLength": 4000, "videoConfig": { "source": "-rtsp_transport tcp -re -i rtsp://admin:xxxx@xxxx/cam/realmonitor?channel=1&subtype=0", "subSource": "-rtsp_transport tcp -re -i rtsp://admin:xxxx@xxxx/cam/realmonitor?channel=1&subtype=0", "stillImageSource": "-i http://admin:xxxx@xxxx/cgi-bin/snapshot.cgi?chn=0&u=admin&p=xxx", "rtspTransport": "tcp", "maxStreams": 2, "maxWidth": 2688, "maxHeight": 1520, "maxBitrate": 2048, "vcodec": "libx264", "packetSize": 1316, "stimeout": 0, "encoderOptions": "-preset ultrafast", "audio": false, "debug": true }, "videoanalysis": { "active": true } } ] }

Here is my ffmpeg which confirms --disable-libfdk-aac root@Homebridge02:~ # ffmpeg ffmpeg version 4.4.1 Copyright (c) 2000-2021 the FFmpeg developers built with FreeBSD clang version 10.0.1 (git@github.com:llvm/llvm-project.git llvmorg-10.0.1-0-gef32c611aa2) configuration: --prefix=/usr/local --mandir=/usr/local/man --datadir=/usr/local/share/ffmpeg --pkgconfigdir=/usr/local/libdata/pkgconfig --disable-static --disable-libcelt --enable-shared --enable-pic --enable-gpl --enable-avresample --cc=cc --cxx=c++ --disable-alsa --disable-libopencore-amrnb --disable-libopencore-amrwb --enable-libaom --disable-libaribb24 --enable-asm --enable-libass --disable-libbs2b --disable-libcaca --disable-libcdio --disable-libcodec2 --enable-libdav1d --disable-libdavs2 --disable-libdc1394 --disable-debug --enable-htmlpages --enable-libdrm --disable-libfdk-aac --disable-libflite --enable-fontconfig --enable-libfreetype --enable-frei0r --disable-libfribidi --disable-gcrypt --disable-libglslang --disable-libgme --enable-gmp --enable-gnutls --enable-version3 --disable-libgsm --enable-iconv --disable-libilbc --disable-libjack --disable-libklvanc --disable-libkvazaar --disable-ladspa --enable-libmp3lame --disable-liblensfun --disable-libbluray --disable-librsvg --disable-librtmp --enable-libxml2 --disable-lto --disable-lv2 --disable-mbedtls --disable-libmfx --disable-libmodplug --disable-libmysofa --disable-nonfree --disable-openal --disable-opencl --disable-opengl --disable-libopenh264 --disable-libopenjpeg --disable-libopenmpt --disable-openssl --disable-libopenvino --enable-optimizations --enable-libopus --disable-pocketsphinx --disable-libpulse --disable-librabbitmq --disable-librav1e --disable-librist --enable-runtime-cpudetect --disable-librubberband --disable-sdl2 --disable-libsmbclient --disable-libsnappy --disable-sndio --disable-libsoxr --disable-libspeex --disable-libsrt --disable-libssh --disable-libtensorflow --disable-libtesseract --enable-libtheora --disable-libtwolame --disable-libuavs3d --enable-libv4l2 --enable-vaapi --disable-vapoursynth --enable-vdpau --disable-libvidstab --enable-libvmaf --enable-libvorbis --disable-libvo-amrwbenc --enable-libvpx --disable-vulkan --disable-libwebp --enable-libx264 --enable-libx265 --disable-libxavs2 --enable-libxcb --enable-libxvid --disable-outdev=xv --disable-libzimg --disable-libzmq --disable-libzvbi libavutil 56. 70.100 / 56. 70.100 libavcodec 58.134.100 / 58.134.100 libavformat 58. 76.100 / 58. 76.100 libavdevice 58. 13.100 / 58. 13.100 libavfilter 7.110.100 / 7.110.100 libavresample 4. 0. 0 / 4. 0. 0 libswscale 5. 9.100 / 5. 9.100 libswresample 3. 9.100 / 3. 9.100 libpostproc 55. 9.100 / 55. 9.100 Hyper fast Audio and Video encoder

[clinderwell]

Is there a way to use a different compiled ffmpeg for this?

[seydx]

Sure, you can use your own, you just need enter the path to ffmpeg in your config.json, e.g

"options": {
  "videoProcessor": "/usr/bin/ffmpeg"
}

[clinderwell]

Sorry - I meant is there another compiled version I can point to that would already be installed with this program?

I tried to compile myself twice and was unsuccessful (hit errors both time).

Looking for another option if it exists :)

[seydx]

@clinderwell

I'm afraid I don't know about TrueNAS, but you could try this?

https://www.truenas.com/community/threads/how-to-install-ffmpeg-in-a-jail.39818/

[clinderwell]

Ended up figuring out how to do it from Ports.

cd /usr/ports/multimedia/ffmpeg make install clean

had to uninstall some preinstall pkgs so it could be installed from ports.

[cameron33]

This bug appears to have reappeared if running CameraUI inside a child bridge.