Replies: 2 comments 10 replies
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Should be able to use something like |
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I'm very grateful for the reply. I really have no idea what I'm doing. I pasted the suggestion into the source field... Anyway the logs sadly reported... [1/9/2025, 4:32:14 PM] [Camera FFmpeg] [HD Webcam C615] Starting video stream: 1280 x 720, 30 fps, 299 kbps Please keep those cards and letter coming... Much appreciated. |
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“FFmpeg process creation failed: spawn ffmpeg ENOENT” Somehow the plugin isn’t finding your copy of ffmpeg. |
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Hey thanks again for your sincere effort! So I ran the command and I've pasted the result below. If the result looks problematic (not where it's supposed to be), I'm open to suggestions... ~ % which ffmpeg |
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That would be where I’d expect that if you installed it through Brew. Not sure why you apparently don’t have FFmpeg-for-Homebridge, but you could try pointing videoProcessor at that? I think it’ll probably be missing codecs we need though. |
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It sounds like maybe I’ve misunderstood what I needed to do to display my webcam in HomeKit. I first installed an ffmpeg Homebridge Plugin (yours I believe) that I thought would allow me to accomplish that task. When it didn’t seem to work I read about installing ffmpeg with Brew and reasoned that the ffmpeg plugin for HomeBridge REQUIRED the Brew installed ffmpeg to be present for the ffmpeg HomeBridge plugin to work. I thought your HomeBridge plugin just “called“ the Brew installed ffmpeg when it wanted something from the camera. It sounds like maybe I’ve put 2 versions of ffmpeg on my Mac and confused matters. I guess I better try to remove everything… |
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In theory, this plugin should automatically pull down ffmpeg-for-homebridge when it’s installed and use that. It seems like that didn’t happen for some reason. |
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I removed ffmpeg that was installed (via brew) after I had installed the homebridge ffmpeg plugin. I then removed the ffmpeg plugin from HomeBridge, restarted HomeBridge a few times until it appeared it was gone completely, then reinstalled it. In the Config: Homebridge Camera FFmpeg "Source" field I put -f avfoundation -i "0:1" in the "Name" field I put HD Camera C615 I selected audio and I selected UnBridge Camera [1/11/2025, 12:10:46 PM] [Camera FFmpeg] [HD Camera C615] FFmpeg process creation failed: spawn ffmpeg ENOENT Running this command in terminal, gets this result So I'm ready to accept defeat. I'm certainly way over my head in terms of understanding. Still I remember fondly my first computer - a Vic 20 and laboriously typing in a program from a computer magazine 40 years ago - it was called Thunderbird. I was so excited when it finally worked! I'm 67 -- things have come a log way. I guess I'll buy an $80 HomeKit compatible camera from Amazon - it'll be here in 2 days, amazing! If you ever get an idea about what I might do to try again - maybe drop me a note? I'll keep this Logitech USB WebCam. It doesn't appear this new camera also works with FaceTime - so that's a little annoying. Still it's these "WTF?" things that motivate people to write programs like ffmpeg. Cheers, Dan |
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I'm trying to add a USB Camera (Logitech C615) and found some code that allows me to view the video in Terminal however I can't figure out how to use this information to configure the Homebridge ffmpeg plugin. Can anyone help me with the next steps?
In Terminal I can list the audio and video input devices with the command: ffmpeg -f avfoundation -list_devices true -i ""
The first video device (index 0) is HD Webcam C615 and the second audio device (index 1) is HD Webcam C615. Other devices (iPhone) and streams are also listed.
The code below is sending an MPEG transport stream over UDP to the loopback address 127.0.0.1:9988
ffmpeg
-f avfoundation
-pix_fmt yuyv422
-video_size 320x240
-framerate 15
-i "0:1" -ac 2
-vf format=yuyv422
-vcodec libx264 -maxrate 2000k
-bufsize 2000k -acodec aac -ar 44100 -b:a 128k
-f rtp_mpegts udp://127.0.0.1:9988
When this code is executed, Terminal opens a window on my M1 MacMini running Sequoia 15.2 that shows the image and provides some options to change the background etc. (features found on FaceTime, Zoom, etc.)
This is some of the screen output displayed before the video stream is displayed...
Input #0, avfoundation, from '0:1':
Duration: N/A, start: 868857.695367, bitrate: N/A
Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 320x240, 15 fps, 15 tbr, 1000k tbn
Stream #0:1: Audio: pcm_f32le, 48000 Hz, stereo, flt, 3072 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
Stream #0:1 -> #0:1 (pcm_f32le (native) -> aac (native))
Press [q] to stop, [?] for help
[libx264 @ 0x14667e400] using cpu capabilities: ARMv8 NEON
[libx264 @ 0x14667e400] profile High 4:2:2, level 1.3, 4:2:2, 8-bit
Output #0, rtp_mpegts, to 'udp://127.0.0.1:9988':
Metadata:
encoder : Lavf61.7.100
Stream #0:0: Video: h264, yuv422p(tv, progressive), 320x240, q=2-31, 15 fps, 90k tbn
Metadata:
encoder : Lavc61.19.100 libx264
Side data:
cpb: bitrate max/min/avg: 2000000/0/0 buffer size: 2000000 vbv_delay: N/A
Stream #0:1: Audio: aac (LC), 44100 Hz, stereo, fltp, 128 kb/s
Metadata:
encoder : Lavc61.19.100 aac
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