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Update majestic-streamer.md

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Paul Philippov 2022-11-04 18:30:04 -04:00 committed by GitHub
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@ -20,17 +20,18 @@ The long JPEG control parameter did not fit into the example on the site and we
`/image.jpg?width=640&height=360&qfactor=73&color2gray=1`
##### Tips:
### How to convert YUV image to a more common image format
To convert YUV image to a more common image format, use `convert` command from
ImageMagick software. Run it like this:
Use `convert` command from ImageMagick software. Run it like this:
```
convert -verbose -sampling-factor 4:2:0 -size 1920x1080 -depth 8 image.yuv image.png
```
where `1920x1080` is the picture resolution of video0, and `.png` is the target
image format.
To play audio stream use [ffplay][ffplay] utility from [ffmpeg][ffmpeg] package.
### How to play audio stream
Use [ffplay][ffplay] utility from [ffmpeg][ffmpeg] package.
```
ffplay -ar 48000 -ac 1 -f s16le http://192.168.1.10/audio.pcm
ffplay -ar 48000 -ac 1 -f alaw http://192.168.1.10/audio.alaw
@ -38,7 +39,9 @@ ffplay -ar 48000 -ac 1 -f mulaw http://192.168.1.10/audio.ulaw
ffplay -ar 8000 -ac 1 -f alaw http://192.168.1.10/audio.g711a
```
A [PCM][pcm] file to play on camera speaker over network can be prepared using [sox][sox] program:
### How to create an audio file to play on camera's speaker over network
Using [sox][sox] program convert any source audio file to [PCM][pcm] 8kbps audio:
```
sox speech.mp3 -t raw -r 8000 -e signed -b 16 -c 1 test.pcm
```