function __buildVideo()
{
$extension = $this->_options['DecoderVideoExtensionInter'];
$video_path = $this->_buildDir . 'build.' . $extension;
$pre_cmds = array();
$cmds = array();
$switches = switchesFromString($this->_options['DecoderSwitchesInter']);
// override any video codec set, since we're using intermediate video format
//if (! empty($switches['vcodec'])) unset($switches['vcodec']);
$options = '';
$options .= ' -r ' . $this->_options['DecoderFPS'];
//if (empty($switches['vcodec'])) $options .= ' -vcodec ' . $this->_options['DecoderVideoCodec'];
if (empty($switches['b'])) {
$options .= ' -b ' . (empty($this->_options['DecoderVideoBitrateInter']) ? $this->_options['DecoderVideoBitrate'] : $this->_options['DecoderVideoBitrateInter']) . 'k';
}
if ($switches) {
$options .= ' ' . stringFromSwitches($switches);
}
$zero = floatval(0);
$cur_time = $zero;
$z = sizeof($this->__mashData['timespans']);
for ($i = 0; $i < $z; $i++) {
if (floatgtr($this->__mashData['timespans'][$i][0], $cur_time)) {
// first timespan doesn't start where the last left off, so there is something between
$visual_cmds = $this->__buildVisuals($cur_time, $this->__mashData['timespans'][$i][0]);
$this->log('building visuals ' . print_r($visual_cmds, 1));
$cmds = array_merge($cmds, $visual_cmds);
}
$cmd = '';
$cmd .= $this->_options['PathFFmpeg'];
$cur_time = $this->__mashData['timespans'][$i][1];
$cmd .= ' -i ' . $this->_buildDir . 'build/' . $i . '-%' . strlen($this->__mashData['timespan_frame_count']) . 'd.jpg';
$cmd .= ' -t ' . ($this->__mashData['timespans'][$i][1] - $this->__mashData['timespans'][$i][0]);
$cmds[] = $cmd;
//$this->log('building flash ' . $cmd);
}
if (!floatcmp($cur_time, $this->__mashData['duration'])) {
// last timespan doesn't end the mash, so there is stuff after it
$visual_cmds = $this->__buildVisuals($cur_time, $this->__mashData['duration']);
//$this->log('building trailing visuals ' . print_r($visual_cmds, 1));
$cmds = array_merge($cmds, $visual_cmds);
}
$options .= ' -f ' . $this->_options['DecoderVideoFormatInter'];
$options .= ' -vcodec ' . $this->_options['DecoderVideoCodecInter'];
$options .= ' -an ';
$z = sizeof($pre_cmds);
for ($i = 0; $i < $z; $i++) {
$cmd = $pre_cmds[$i];
$result = $this->_shellExecute($cmd);
$this->_progressStep('BuildFile', round(($i + 1) * 50 / $z), 'Encoding Frames');
}
$z = sizeof($cmds);
$files = array();
for ($i = 0; $i < $z; $i++) {
$result = '';
$file_name = $this->_buildDir . 'video_' . $i . '.' . $extension;
$cmd = $cmds[$i];
$files[] = $file_name;
/* // single pass
$cmd .= $options . ' -y ' . $file_name;
$result .= $this->_shellExecute($cmd);
*/
// double pass
$cmd .= $options . ' -pass {pass} -passlogfile ' . $this->_buildDir . 'FFMPEG2passInter.txt -y ' . $file_name;
$cmd1 = str_replace('{pass}', '1', $cmd);
$cmd2 = str_replace('{pass}', '2', $cmd);
$result .= $this->_shellExecute($cmd1);
$result .= $this->_shellExecute($cmd2);
if (!file_exists($file_name) || !@filesize($file_name)) {
throw new RuntimeException('Could not execute build command: ' . $cmd . "\n" . $result);
}
// make sure intermediate file is the right dimensions
$cmd = '';
$cmd .= $this->_options['PathFFmpeg'] . ' -f ' . $this->_options['DecoderVideoFormatInter'];
// need to supply codec hint
$cmd .= ' -vcodec ' . $this->_options['DecoderVideoCodecInter'];
$cmd .= ' -i ' . $file_name;
$response = $this->_shellExecute($cmd);
if (!$response) {
throw new RuntimeException('Could not create intermediate file ' . $i . ': ' . $cmd);
}
$int_dims = ffmpeg_info_from_string('dimensions', $response);
if (!$int_dims) {
throw new RuntimeException('Could not determing intermediate file dimensions ' . $i . ': ' . $cmd . "\n" . $response);
}
if ($this->_options['DecoderDimensions'] != $int_dims) {
throw new RuntimeException('Inter dimensions do not equal output dimensions ' . $i . ' ' . $int_dims);
}
$this->_progressStep('BuildFile', round(($i + 1) * 50 / $z), 'Encoding Video');
}
if ($files) {
// concat the files
if (sizeof($files) > 1) {
$cmd = 'cat ' . join(' ', $files) . ' > ' . $video_path;
$result = $this->_shellExecute($cmd, ' 2>&1', 1);
if (!file_exists($video_path)) {
throw new RuntimeException('Could not merge intermediate files: ' . $cmd . "\n" . $result);
}
} else {
rename($files[0], $video_path);
}
}
return $video_path;
}
function __buildSequence($file_path)
{
$this->_progressStep('EncodeVideo', 5, 'Encoding Video');
if (isset($this->_options['EncoderExtension'])) {
$options = array();
$orig_dimensions = get_file_info('dimensions', $file_path);
if (!$orig_dimensions) {
throw new RuntimeException('Could not read dimensions: ' . $file_path);
}
$target_dimensions = scale_proud($orig_dimensions, $this->_options['EncoderDimensions']);
if (!$target_dimensions) {
$target_dimensions = $this->_options['EncoderDimensions'];
}
$target_size = explode('x', $target_dimensions);
$options['bitrate'] = round($this->_options['EncoderImageQuality'] / 100 * ($target_size[0] * $target_size[1] * 3 * $this->_options['EncoderFPS'] / 1024));
$options['dimensions'] = $target_dimensions;
$options['dimensions_dir'] = $this->_options['EncoderDimensions'];
$switches = switchesFromString($this->_options['EncoderSwitches']);
$cached_frames = cache_file_frames($file_path, $this->_options['EncoderFPS'], 0, -1, $options, $switches, $this->_options['PathFFmpeg']);
if (!$cached_frames) {
throw new RuntimeException('Could not prepare to cache image sequence: ' . $file_path);
}
if (!empty($this->_options['Verbose']) && !empty($cached_frames['command'])) {
$this->log($cached_frames['command'] . "\n" . $cached_frames['result']);
}
if (!$cached_frames['files']) {
throw new RuntimeException('Could not cache image sequence: ' . $file_path);
}
$this->_progressStep('EncodeVideo', 100, 'Encoded Video');
}
}
