nystudio107\transcoder\services\Transcode::getVideoUrl()

Complexity

Conditions	20
Paths	1514

Size

Total Lines	123
Code Lines	69

Duplication

Lines	0
Ratio	0 %

Importance

Changes	5
Bugs	0	Features	0

<?php
    public function getVideoUrl($filePath, $videoOptions, $generate = true): string
    {
        $result = '';
        $settings = Transcoder::$plugin->getSettings();
        $subfolder = '';

        // sub folder check
        if (\is_object($filePath) && ($filePath instanceof Asset) && $settings['createSubfolders']) {
            $subfolder = $filePath->folderPath;
        }

        // file path
        $filePath = $this->getAssetPath($filePath);

        if (!empty($filePath)) {
            $destVideoPath = $settings['transcoderPaths']['video'].$subfolder ?? $settings['transcoderPaths']['default'];
            $destVideoPath = Craft::getAlias($destVideoPath);
            $videoOptions = $this->coalesceOptions('defaultVideoOptions', $videoOptions);

            // Get the video encoder presets to use
            $videoEncoders = $settings['videoEncoders'];
            $thisEncoder = $videoEncoders[$videoOptions['videoEncoder']];

            $videoOptions['fileSuffix'] = $thisEncoder['fileSuffix'];

            // Build the basic command for ffmpeg
            $ffmpegCmd = $settings['ffmpegPath']
                .' -i '.escapeshellarg($filePath)
                .' -vcodec '.$thisEncoder['videoCodec']
                .' '.$thisEncoder['videoCodecOptions']
                .' -bufsize 1000k'
                .' -threads '.$thisEncoder['threads'];

            // Set the framerate if desired
            if (!empty($videoOptions['videoFrameRate'])) {
                $ffmpegCmd .= ' -r '.$videoOptions['videoFrameRate'];
            }

            // Set the bitrate if desired
            if (!empty($videoOptions['videoBitRate'])) {
                $ffmpegCmd .= ' -b:v '.$videoOptions['videoBitRate'].' -maxrate '.$videoOptions['videoBitRate'];
            }

            // Adjust the scaling if desired
            $ffmpegCmd = $this->addScalingFfmpegArgs(
                $videoOptions,
                $ffmpegCmd
            );

            // Handle any audio transcoding
            if (empty($videoOptions['audioBitRate'])
                && empty($videoOptions['audioSampleRate'])
                && empty($videoOptions['audioChannels'])
            ) {
                // Just copy the audio if no options are provided
                $ffmpegCmd .= ' -c:a copy';
            } else {
                // Do audio transcoding based on the settings
                $ffmpegCmd .= ' -acodec '.$thisEncoder['audioCodec'];
                if (!empty($videoOptions['audioBitRate'])) {
                    $ffmpegCmd .= ' -b:a '.$videoOptions['audioBitRate'];
                }
                if (!empty($videoOptions['audioSampleRate'])) {
                    $ffmpegCmd .= ' -ar '.$videoOptions['audioSampleRate'];
                }
                if (!empty($videoOptions['audioChannels'])) {
                    $ffmpegCmd .= ' -ac '.$videoOptions['audioChannels'];
                }
                $ffmpegCmd .= ' '.$thisEncoder['audioCodecOptions'];
            }

            // Create the directory if it isn't there already
            if (!is_dir($destVideoPath)) {
                try {
                    FileHelper::createDirectory($destVideoPath);
                } catch (Exception $e) {
                    Craft::error($e->getMessage(), __METHOD__);
                }
            }

            $destVideoFile = $this->getFilename($filePath, $videoOptions);

            // File to store the video encoding progress in
            $progressFile = sys_get_temp_dir().DIRECTORY_SEPARATOR.$destVideoFile.'.progress';

            // Assemble the destination path and final ffmpeg command
            $destVideoPath .= $destVideoFile;
            $ffmpegCmd .= ' -f '
                .$thisEncoder['fileFormat']
                .' -y '.escapeshellarg($destVideoPath)
                .' 1> '.$progressFile.' 2>&1 & echo $!';

            // Make sure there isn't a lockfile for this video already
            $lockFile = sys_get_temp_dir().DIRECTORY_SEPARATOR.$destVideoFile.'.lock';
            $oldPid = @file_get_contents($lockFile);
            if ($oldPid !== false) {
                exec("ps $oldPid", $ProcessState);
                if (\count($ProcessState) >= 2) {
                    return $result;
                }
                // It's finished transcoding, so delete the lockfile and progress file
                @unlink($lockFile);
                @unlink($progressFile);
            }

            // If the video file already exists and hasn't been modified, return it.  Otherwise, start it transcoding
            if (file_exists($destVideoPath) && (@filemtime($destVideoPath) >= @filemtime($filePath))) {
                $url = $settings['transcoderUrls']['video'].$subfolder ?? $settings['transcoderUrls']['default'];
                $result = Craft::getAlias($url).$destVideoFile;
                // skip encoding
            } elseif (!$generate) {
                $result = "";
            } else {
                // Kick off the transcoding
                $pid = $this->executeShellCommand($ffmpegCmd);
                Craft::info($ffmpegCmd."\nffmpeg PID: ".$pid, __METHOD__);

                // Create a lockfile in tmp
                file_put_contents($lockFile, $pid);
            }
        }

        return $result;
    }