protected function getExecutionCommandAndConversionString(kConversionCommand $conv_cmd, $params_index)
{
/*
$frame_rate = 25 ; // frames / second
$audio_bitrate = "56k"; // kbit/s
$audio_sampling_rate = 22050; // in Hz
$audio_channels = 2; // sterio
*/
// assume there always will be this index
$conv_params = @$conv_cmd->conversion_params_list[$params_index];
/*
* for now - irrelevant in case of commercial encoder
if ( ! $conv_params->video ) $video_audio_str = " -vn "; // video none
elseif ( ! $conv_params->audio ) $video_audio_str = " -an "; // audio node
else $video_audio_str = " ";
*/
/*
Usage: cli_encode [OPTION...]
-i, --in=input file infile
-o, --out=output file outfile
-w, --width=output width width
-h, --height=output height height
-d, --deinterlace=deinterlace method deinterlace
-k, --kffreq=keyframe frequency kffreq
-b, --bitrate=bitrate bitrate
*/
$size_arg = $conv_params->width == -1 ? "" : " -w " . $conv_params->width . " -h " . $conv_params->height;
$conversion_string = self::ne(" -r ", $conv_params->framerate) . self::ne(" -b ", $conv_params->bitrate) . self::ne(" -k ", $conv_params->gop_size) . self::ne(" -a ", $conv_params->audio_bitrate) . $size_arg . " " . $conv_params->flix_params . " ";
// I have commented out the audio parameters so we don't decrease the quality - it stays as-is
$exec_cmd = self::getCmd() . " -i " . $conv_cmd->source_file . " -o " . $conv_cmd->getTargetFileWithSuffix($params_index) . $conversion_string . " 2>&1 >>" . "\"{$conv_cmd->getLogFileWithSuffix($params_index)}\"";
return array($exec_cmd, $conversion_string);
}
private function convertAllFilesInQueue($write_to_log = true)
{
@(list($cmd_file, $file_name, $in_proc) = $this->getConversionCommand($write_to_log));
if ($cmd_file) {
$conv_cmd = kConversionCommand::fromFile($cmd_file);
$conv_res = kConversionEngineMgr::convert($conv_cmd, $this->commercial);
$this->setConversionResult($file_name, $conv_cmd, $conv_res);
$this->removeConversionCommand($cmd_file);
}
$this->removeInProc($in_proc);
}
protected function saveConversionCommand()
{
if (!$this->conv_cmd) {
throw new kConversionException("ConversionCommand not yet created");
}
// depending on the transcoder - decide on the server's path
$server_path = $this->server_cmd_path;
if ($this->conv_cmd->commercial_transcoder && $this->commercial_server_cmd_path) {
$server_path = $this->commercial_server_cmd_path;
}
$cmd_file = $server_path . "/" . basename($this->conv_cmd->source_file);
$this->conv_cmd->toFile($cmd_file, true);
return $cmd_file;
}
protected function getExecutionCommandAndConversionString(kConversionCommand $conv_cmd, $params_index)
{
/*
$frame_rate = 25 ; // frames / second
$audio_bitrate = "56"; // kbit/s
$audio_sampling_rate = 22050; // in Hz
$audio_channels = 2; // sterio
*/
// assume there always will be this index
$conv_params = @$conv_cmd->conversion_params_list[$params_index];
$size_arg = $conv_params->width == -1 ? " -vf harddup" : " -vf scale={$conv_params->width}:{$conv_params->height},harddup";
$conversion_string = "" . " -of lavf " . self::ne(" -ofps ", $conv_params->framerate) . " -oac mp3lame " . self::ne(" -lameopts abr:br=", $conv_params->audio_bitrate) . self::ne(" -srate ", $conv_params->audio_sampling_rate);
if ($conv_params->audio) {
$conversion_string .= " -ovc lavc " . " -lavcopts vcodec=flv" . self::ne(":vbitrate=", $conv_params->bitrate) . ":mbd=2:mv0:trell:v4mv:cbp:last_pred=3" . self::ne(":keyint=", $conv_params->gop_size) . self::ne(":vqscale=", $conv_params->qscale) . $size_arg;
} else {
$conversion_string .= " -ovc frameno ";
}
$conversion_string .= $conv_params->mencoder_params;
// from the new version of mencoder and onwards - no need to use this flag
// $conversion_string .= " -lavfopts i_certify_that_my_video_stream_does_not_use_b_frames " ;
$exec_cmd = self::getCmd() . " \"{$conv_cmd->source_file}\"" . $conversion_string . " -o " . "\"{$conv_cmd->getTargetFileWithSuffix($params_index)}\"" . " 2>>" . "\"{$conv_cmd->getLogFileWithSuffix($params_index)}\"";
return array($exec_cmd, $conversion_string);
}
protected function getExecutionCommandAndConversionString(kConversionCommand $conv_cmd, $params_index)
{
/*
$frame_rate = 25 ; // frames / second
$audio_bitrate = "56k"; // kbit/s
$audio_sampling_rate = 22050; // in Hz
$audio_channels = 2; // sterio
*/
// assume there always will be this index
$conv_params = @$conv_cmd->conversion_params_list[$params_index];
if (!$conv_params->video) {
$video_audio_str = " -vn ";
} elseif (!$conv_params->audio) {
$video_audio_str = " -an ";
} else {
$video_audio_str = " ";
}
$size_arg = $conv_params->width == -1 ? "" : " -s " . $conv_params->width . "x" . $conv_params->height;
$conversion_string = self::ne(" -r ", $conv_params->framerate) . self::ne(" -b ", $conv_params->bitrate) . ($conv_params->bitrate ? "k" : "") . self::ne(" -qscale ", $conv_params->qscale) . self::ne(" -g ", $conv_params->gop_size) . $size_arg . self::ne(" -ab ", $conv_params->audio_bitrate) . ($conv_params->audio_bitrate ? "k" : "") . self::ne(" -ar ", $conv_params->audio_sampling_rate) . self::ne(" -ac ", $conv_params->audio_channels) . $video_audio_str . " " . $conv_params->ffmpeg_params . " " . " -y ";
// I have commented out the audio parameters so we don't decrease the quality - it stays as-is
$exec_cmd = self::getCmd() . " -i \"" . $conv_cmd->source_file . "\"" . $conversion_string . " \"" . $conv_cmd->getTargetFileWithSuffix($params_index) . "\" 2" . ">>" . "\"{$conv_cmd->getLogFileWithSuffix($params_index)}\"";
return array($exec_cmd, $conversion_string);
}