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Workaround for iOS 12.2 playback issues #53

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Workaround for iOS 12.2 playback issues #53

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8 changes: 3 additions & 5 deletions CameraSource.js
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Original file line number Diff line number Diff line change
Expand Up @@ -175,17 +175,15 @@ Camera.prototype.handleStreamRequest = function (request) {
bitrate = request['video']['max_bit_rate']
}

this._v4l2CTLSetCTRL('video_bitrate', `${bitrate}000`)

let srtp = this.pendingSessions[sessionIdentifier]['video_srtp'].toString('base64')
let address = this.pendingSessions[sessionIdentifier]['address']
let port = this.pendingSessions[sessionIdentifier]['video_port']
let ssrc = this.pendingSessions[sessionIdentifier]['video_ssrc']

let ffmpegCommand = `\
-f video4linux2 -input_format h264 -video_size ${width}x${height} -framerate ${fps} -i /dev/video0 \
-vcodec copy -an -payload_type 99 -ssrc ${ssrc} -f rtp \
-srtp_out_suite AES_CM_128_HMAC_SHA1_80 -srtp_out_params ${srtp} \
-f video4linux2 -input_format yuv420p -video_size ${width}x${height} -i /dev/video0 \
-vcodec h264_omx -an -pix_fmt yuv420p -r ${fps} -b:v ${bitrate}k -bufsize ${bitrate}k -maxrate ${bitrate}k \
-payload_type 99 -ssrc ${ssrc} -f rtp -srtp_out_suite AES_CM_128_HMAC_SHA1_80 -srtp_out_params ${srtp} \
srtp://${address}:${port}?rtcpport=${port}&localrtcpport=${port}&pkt_size=1378`
console.log(ffmpegCommand)
let ffmpeg = spawn('ffmpeg', ffmpegCommand.split(' '), {env: process.env})
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