function wave_file_path($file_path)
{
$file_path = media_file_path($file_path);
return $file_path . 'media.wav';
}
function __buildAudio($file_path)
{
if (!empty($this->_options['EncoderAudioExtension'])) {
if (get_file_info('audio', $file_path, $this->_options['PathFFmpeg'])) {
$this->_progressStep('EncodeAudio', 5, 'Encoding Audio ' . $file_path);
$media_path = media_file_path($file_path);
$audio_path = $media_path . 'audio.' . $this->_options['EncoderAudioExtension'];
$switches = array();
if (!safe_path($audio_path)) {
throw new RuntimeException('Could not create path: ' . $audio_path);
}
$cmd = '';
$cmd .= $this->_options['PathFFmpeg'] . ' -i ';
$cmd .= $file_path;
$cmd .= ' -ab ' . $this->_options['EncoderAudioBitrate'] . 'k';
$cmd .= ' -ar ' . $this->_options['EncoderAudioFrequency'];
//$cmd .= ' -acodec ' . $this->_options['EncoderAudioExtension'];
$cmd .= ' -vn ' . $audio_path;
$response = $this->_shellExecute($cmd);
if (!$response) {
throw new RuntimeException('Problem with audio command: ' . $cmd);
}
if (!file_exists($audio_path)) {
throw new RuntimeException('Could not build audio: ' . $response);
}
$cached_wav = cache_file_wav($file_path, $switches, $this->_options['PathFFmpeg']);
if (!$cached_wav) {
throw new RuntimeException('Could not determine path to audio wav file: ' . $file_path);
}
if (!empty($this->_options['Verbose'])) {
$this->log($cached_wav['command']);
}
if (!$cached_wav['path']) {
throw new RuntimeException('Could not build audio wav file: ' . $file_path);
}
$wav_file_path = $cached_wav['path'];
// get a more accurate duration reading from WAV file
if (!($meta_path = meta_file_path('blah', $wav_file_path))) {
throw new RuntimeException('Could not determine meta path for ' . $wav_file_path);
}
if (!($meta_dir = dir_path($meta_path))) {
throw new RuntimeException('Could not determine dir path of ' . $meta_path);
}
if (!($duration = get_file_info('duration', $wav_file_path, $this->_options['PathFFmpeg']))) {
throw new RuntimeException('Could not determine duration of ' . $wav_file_path);
}
if (!set_file_info($file_path, 'duration', $duration)) {
throw new RuntimeException('Could not set duration of ' . $file_path);
}
// make waveform graphic
$this->_ignore[] = $wav_file_path;
$audio_path = $media_path . 'audio.' . $this->_options['EncoderWaveformExtension'];
$cmd = '';
$cmd .= $this->_options['PathWaveformGenerator'] . ' --input ' . $wav_file_path;
$cmd .= ' --height 64 --width 2800';
$cmd .= ' --linecolor ' . $this->_options['EncoderWaveformForecolor'];
$cmd .= ' --padding 0';
$cmd .= ' --backgroundcolor ' . $this->_options['EncoderWaveformBackcolor'];
$cmd .= ' --output ' . $audio_path;
$response = $this->_shellExecute($cmd);
if (!file_exists($audio_path)) {
throw new RuntimeException('Could not create waveform graphic: ' . $cmd);
}
$this->_shellExecute('rm -R ' . $meta_dir);
$this->_progressStep('EncodeAudio', 100, 'Encoded Audio');
}
}
}
