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urmic_digital_encoder_decoder
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srt_gop

This commit is contained in:
devdatt 2025-12-09 07:21:36 +05:30
parent 87c9f8c0f2
commit 0fefb7d6d4
3 changed files with 94 additions and 15 deletions
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13
encoder/input.php
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@ -7,7 +7,9 @@ $defaults = [
'hdmi' => [ 'hdmi' => [
'resolution' => '1920x1080', 'resolution' => '1920x1080',
'audio_source' => 'hw:1,0', 'audio_source' => 'hw:1,0',
'framerate' => '30' 'framerate' => '30',
'video_delay'=>'300',
'audio_delay'=>''
], ],
'url' => 'https://cdn.urmic.org/unavailable.mp4', 'url' => 'https://cdn.urmic.org/unavailable.mp4',
'rtmp' => [ 'rtmp' => [
@ -168,6 +170,15 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
</select> </select>
</div> </div>
</div> </div>
<div class="input-group">
<input type="text" id="video_delay" name="video_delay" value="<?php echo htmlspecialchars($data['url']); ?>" placeholder=" ">
<label for="video_delay">Video Delay in ms : </label>
</div>
<div class="input-group">
<input type="text" id="audio_delay" name="audio_delay" value="<?php echo htmlspecialchars($data['url']); ?>" placeholder=" ">
<label for="audio_delay">Audio Delay in ms : </label>
</div>
</div> </div>
<div class="card wide"> <div class="card wide">

2
encoder/output.php
View File

@ -206,7 +206,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$new['udp2']['udp'] = $get('udp2_ip', $defaults['udp2']['udp']); $new['udp2']['udp'] = $get('udp2_ip', $defaults['udp2']['udp']);
$new['udp2']['common_backend'] = $get('udp2_common_backend', $defaults['udp2']['common_backend']); $new['udp2']['common_backend'] = $get('udp2_common_backend', $defaults['udp2']['common_backend']);
$new['srt']['format'] = $get('srt_resolution', $defaults['srt']['format']); $new['srt']['format'] = $get('srt_format', $defaults['srt']['format']);
$new['srt']['resolution'] = $get('srt_resolution', $defaults['srt']['resolution']); $new['srt']['resolution'] = $get('srt_resolution', $defaults['srt']['resolution']);
$new['srt']['data_rate'] = $get('srt_data_rate', $defaults['srt']['data_rate']); $new['srt']['data_rate'] = $get('srt_data_rate', $defaults['srt']['data_rate']);
$new['srt']['framerate'] = $get('srt_framerate', $defaults['srt']['framerate']); $new['srt']['framerate'] = $get('srt_framerate', $defaults['srt']['framerate']);

94
encoder/static.php
View File

@ -6,6 +6,26 @@ function generateRandomString($length = 16)
$randomString = bin2hex($bytes); $randomString = bin2hex($bytes);
return substr($randomString, 0, $length); return substr($randomString, 0, $length);
} }
function setptsFromMs($ms)
{
// convert ms → seconds
$sec = $ms / 1000;
// format with up to 3 decimals (avoid scientific notation)
$secFormatted = number_format($sec, 3, '.', '');
return "setpts=PTS+{$secFormatted}/TB";
}
function adelayFromMs($ms, $channels = 2)
{
// build "ms|ms|ms..." pattern for each audio channel
$parts = array_fill(0, $channels, (string)$ms);
$pattern = implode('|', $parts);
return ' -af "adelay=' . $pattern . '" ';
}
function update_service($which_service) function update_service($which_service)
{ {
@ -28,7 +48,9 @@ function update_service($which_service)
'hdmi' => [ 'hdmi' => [
'resolution' => '1920x1080', 'resolution' => '1920x1080',
'audio_source' => 'hw:1,0', 'audio_source' => 'hw:1,0',
'framerate' => '30' 'framerate' => '30',
'video_delay' => '300',
'audio_delay' => ''
], ],
'url' => 'https://cdn.urmic.org/unavailable.mp4', 'url' => 'https://cdn.urmic.org/unavailable.mp4',
'rtmp' => [ 'rtmp' => [
@ -78,13 +100,25 @@ function update_service($which_service)
$common_backend_audio_sample_rate = $data['common_backend']['audio_sample_rate']; $common_backend_audio_sample_rate = $data['common_backend']['audio_sample_rate'];
$common_backend_extra = $data['common_backend']['extra']; $common_backend_extra = $data['common_backend']['extra'];
$hdmi_delay_video = $data['hdmi']['video_delay'];
$hdmi_delay_audio = $data['hdmi']['audio_delay'];
switch ($use_common_backend) { switch ($use_common_backend) {
case "copy_input": case "copy_input":
switch ($input_source) { switch ($input_source) {
case "hdmi": case "hdmi":
$input .= "ffmpeg -hwaccel auto -hide_banner -f v4l2 -thread_queue_size 512 -input_format mjpeg -video_size " . $data['hdmi']['resolution'] $input .= "ffmpeg -hwaccel auto -hide_banner -f v4l2 -thread_queue_size 512 -input_format mjpeg "
. " -framerate " . $data['hdmi']['framerate'] . " -f alsa -i " . $data['hdmi']['audio_source'] . . " -video_size " . $data['hdmi']['resolution']
" -c:v h264_qsv -b:v 5M -maxrate 5M -bufsize 12M -c:a aac -b:a 265k -ar 48000 -f mpegts " . ' "udp://@239.255.254.254:39000?fifo_size=5000000&overrun_nonfatal=1&localaddr=127.0.0.1&ttl=1"'; . " -framerate " . $data['hdmi']['framerate']
. " -f alsa -i " . $data['hdmi']['audio_source']
. " -c:v h264_qsv -b:v 5M -maxrate 5M -bufsize 12M -c:a aac -b:a 265k -ar 48000 ";
if ($hdmi_delay_video != "")
$input .= "-vf " . setptsFromMs($hdmi_delay_video);
if ($hdmi_delay_audio != "")
$input .= adelayFromMs($hdmi_delay_audio, 2);
$input .= " -f mpegts " . ' "udp://@239.255.254.254:39000?fifo_size=5000000&overrun_nonfatal=1&localaddr=127.0.0.1&ttl=1"';
break; break;
case "url": case "url":
$input .= "ffmpeg -hide_banner -stream_loop -1 -re -i " . $data['url'] . " -c:v copy -c:a copy -f mpegts " . ' "udp://@239.255.254.254:39000?fifo_size=5000000&overrun_nonfatal=1&localaddr=127.0.0.1&ttl=1"'; $input .= "ffmpeg -hide_banner -stream_loop -1 -re -i " . $data['url'] . " -c:v copy -c:a copy -f mpegts " . ' "udp://@239.255.254.254:39000?fifo_size=5000000&overrun_nonfatal=1&localaddr=127.0.0.1&ttl=1"';
@ -105,9 +139,12 @@ function update_service($which_service)
case "hdmi": case "hdmi":
$input .= "ffmpeg -hwaccel auto -hide_banner -f v4l2 -thread_queue_size 512 -input_format mjpeg -video_size " . $data['hdmi']['resolution'] $input .= "ffmpeg -hwaccel auto -hide_banner -f v4l2 -thread_queue_size 512 -input_format mjpeg -video_size " . $data['hdmi']['resolution']
. " -framerate " . $data['hdmi']['framerate'] . " -i /dev/video0 -f alsa -i " . $data['hdmi']['audio_source'] . " -framerate " . $data['hdmi']['framerate'] . " -i /dev/video0 -f alsa -i " . $data['hdmi']['audio_source']
. " -c:v h264_qsv " . " -c:v h264_qsv ";
. ' -vf "scale=' . $common_backend_resolution . '"' if ($hdmi_delay_video != "")
. " -b:v " . $common_backend_data_rate ' -vf "scale=' . $common_backend_resolution . ',' . setptsFromMs($hdmi_delay_video) . '"';
else
' -vf "scale=' . $common_backend_resolution . '"';
$input .= " -b:v " . $common_backend_data_rate
. " -maxrate " . $common_backend_data_rate . " -maxrate " . $common_backend_data_rate
. " -bufsize 12M" . " -bufsize 12M"
. " -r " . $common_backend_framerate . " -r " . $common_backend_framerate
@ -116,7 +153,10 @@ function update_service($which_service)
. " -b:a " . $common_backend_audio_data_rate . " -b:a " . $common_backend_audio_data_rate
. ' -af "volume=' . $common_backend_audio_db_gain . '"' . ' -af "volume=' . $common_backend_audio_db_gain . '"'
. ' -ar ' . $common_backend_audio_sample_rate . ' -ar ' . $common_backend_audio_sample_rate
. ' ' . $common_backend_extra . " -f mpegts " . ' ' . $common_backend_extra;
if ($hdmi_delay_audio != "")
$input .= adelayFromMs($hdmi_delay_audio, 2);
$input .= " -f mpegts "
. ' "udp://@239.255.254.254:39000?fifo_size=5000000&overrun_nonfatal=1&localaddr=127.0.0.1&ttl=1"'; . ' "udp://@239.255.254.254:39000?fifo_size=5000000&overrun_nonfatal=1&localaddr=127.0.0.1&ttl=1"';
break; break;
case "url": case "url":
@ -326,7 +366,6 @@ function update_service($which_service)
$data = $defaults; $data = $defaults;
} }
$service_display = $data['service_display']; $service_display = $data['service_display'];
$service_rtmp0_multiple = $data['service_rtmp0_multiple']; $service_rtmp0_multiple = $data['service_rtmp0_multiple'];
$service_rtmp0_hls = $data['service_rtmp0_hls']; $service_rtmp0_hls = $data['service_rtmp0_hls'];
@ -348,6 +387,8 @@ function update_service($which_service)
$use_common_backend_udp0 = $data['udp0']['common_backend']; $use_common_backend_udp0 = $data['udp0']['common_backend'];
$use_common_backend_udp1 = $data['udp1']['common_backend']; $use_common_backend_udp1 = $data['udp1']['common_backend'];
$use_common_backend_udp2 = $data['udp2']['common_backend']; $use_common_backend_udp2 = $data['udp2']['common_backend'];
$use_common_backend_srt = $data['srt']['common_backend'];
switch ($which_service) { switch ($which_service) {
case 'input': case 'input':
@ -359,6 +400,7 @@ function update_service($which_service)
echo "Error writing file."; echo "Error writing file.";
} }
exec("sudo systemctl restart encoder-main"); exec("sudo systemctl restart encoder-main");
exec("sudo reboot");
break; break;
case 'display'; case 'display';
@ -618,19 +660,45 @@ srt {
record_hls off; record_hls off;
record_hls_segment_duration 10; record_hls_segment_duration 10;
";
if ($srt_push != "")
$sls .= "
relay { relay {
type push; type push;
mode all; #all; hash mode all; #all; hash
reconnect_interval 10; reconnect_interval 10;
idle_streams_timeout -1; idle_streams_timeout -1;
upstreams " . $srt_push . " ; upstreams " . $srt_push . " ;
} }";
$sls .= "
} }
} }
} }
"; ";
$service = 'ffmpeg -hwaccel auto -i udp://@239.255.254.254:39000 -c copy -f mpegts srt://127.0.0.1/' . $srt_pass1 . '/' . $srt_pass2 . '/ji'; switch ($use_common_backend_srt) {
case "enable":
$service = 'ffmpeg -hwaccel auto -i -hwaccel auto -hide_banner -i "udp://@239.255.254.254:39000?fifo_size=5000000&overrun_nonfatal=1&localaddr=127.0.0.1" ' .
' -c:v copy' .
' -c:a copy' .
' -f mpegts srt://127.0.0.1:1937?streamid=' . $srt_pass1 . '/' . $srt_pass2 . '/ji';
break;
case "disable":
$service = 'ffmpeg -hwaccel auto -i -hwaccel auto -hide_banner -i "udp://@239.255.254.254:39000?fifo_size=5000000&overrun_nonfatal=1&localaddr=127.0.0.1" '
. ' -c:v ' . $data['srt']['formate']
. ' -vf "scale=' . str_replace("x", ":", $data['srt']['resolution']) . '"'
. '" -b:v ' . $data['srt']['data_rate']
. ' -maxrate ' . $data['srt']['data_rate']
. ' -bufsize ' . $data['udp0']['data_rate']
. ' -r ' . $data['srt']['srt']
. ' -g ' . $data['srt']['gop']
. ' -c:a ' . $data['srt']['audio_formate']
. ' -b:a ' . $data['srt']['audio_data_rate']
. ' -af "volume=' . $data['srt']['audio_db_gain'] . '"'
. ' -ar ' . $data['srt']['audio_sample_rate']
. ' ' . $data['srt']['extra']
. ' -f mpegts srt://127.0.0.1:1937?streamid=' . $srt_pass1 . '/' . $srt_pass2 . '/ji';
break;
}
$file = "/var/www/encoder-srt.sh"; $file = "/var/www/encoder-srt.sh";
file_put_contents($file, $service); file_put_contents($file, $service);
@ -660,7 +728,7 @@ srt {
case "disable": case "disable":
$udp0 = 'ffmpeg -hwaccel auto -hide_banner -i "udp://@239.255.254.254:39000?fifo_size=5000000&overrun_nonfatal=1&localaddr=127.0.0.1" ' $udp0 = 'ffmpeg -hwaccel auto -hide_banner -i "udp://@239.255.254.254:39000?fifo_size=5000000&overrun_nonfatal=1&localaddr=127.0.0.1" '
. ' -c:v ' . $data['udp0']['formate'] . ' -c:v ' . $data['udp0']['formate']
. ' -vf "scale=' . str_replace("x", ":", $data['udp0']['resolution']) . ' -vf "scale=' . str_replace("x", ":", $data['udp0']['resolution']) . '"'
. '" -b:v ' . $data['udp0']['data_rate'] . '" -b:v ' . $data['udp0']['data_rate']
. ' -maxrate ' . $data['udp0']['data_rate'] . ' -maxrate ' . $data['udp0']['data_rate']
. ' -bufsize ' . $data['udp0']['data_rate'] . ' -bufsize ' . $data['udp0']['data_rate']