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Diffstat (limited to 'plugins/video_ffmpeg_helper/video_render.php')
-rw-r--r--plugins/video_ffmpeg_helper/video_render.php86
1 files changed, 67 insertions, 19 deletions
diff --git a/plugins/video_ffmpeg_helper/video_render.php b/plugins/video_ffmpeg_helper/video_render.php
index 09e7fb6..5622fd9 100644
--- a/plugins/video_ffmpeg_helper/video_render.php
+++ b/plugins/video_ffmpeg_helper/video_render.php
@@ -20,8 +20,13 @@ define('VIDEO_RENDERING_FFMPEG_PATH', '/usr/bin/ffmpeg');
//IMPORTANT: the user who runs this script must have permissions to create files there. If this is not the case the default php temporary folder will be used.
define('VIDEO_RENDERING_TEMP_PATH', '/tmp/video');
+// number of conversion jobs active at the same time
+define('VIDEO_RENDERING_FFMPEG_INSTANCES', 5);
-
+/**
+ * video_render.php configuration ends.
+ * DO NOT EDIT BELOW THIS LINE
+*/
/**
* Define some constants
@@ -56,8 +61,10 @@ else {
*/
function video_render_main() {
- if($job = video_render_select()) {
- video_render_start($job);
+ if($jobs = video_render_select()) {
+ foreach ($jobs as $job) {
+ video_render_start($job);
+ }
}
else {
watchdog('video_render', t('no video conversion jobs to schedule.'));
@@ -69,17 +76,10 @@ function video_render_main() {
* Starts rendering for a job
*/
function video_render_start($job) {
- print_r($job);
- db_query('DELETE FROM {video_rendering} WHERE nid=%d AND vid=%d', $job->nid, $job->vid);
+ // print_r($job);
+ //db_query('DELETE FROM {video_rendering} WHERE nid=%d AND vid=%d', $job->nid, $job->vid);
- // escape file name for safety
- $videofile = escapeshellarg($job->origfile);
- $convfile = tempnam(VIDEO_RENDERING_TEMP_PATH, 'video-rendering');
-
- $converter = VIDEO_RENDERING_FFMPEG_PATH;
- $options = preg_replace(array('/%videofile/', '/%convertfile/'), array($videofile, $convfile), variable_get('video_ffmpeg_helper_auto_converter_options', '-y -i %videofile -f flv -ar 22050 %convertfile.flv'));
-
- $command = "$converter $options";
+ $command = _video_render_get_command($job);
print('executing ' . $command);
@@ -91,7 +91,7 @@ function video_render_start($job) {
print $command_output;
- if (!file_exists($convfile)) {
+ if (!file_exists($job->convfile)) {
watchdog('video_render', t('video conversion failed. ffmpeg reported the following output: ' . $command_output, WATCHDOG_ERROR));
}
else {
@@ -99,8 +99,8 @@ function video_render_start($job) {
$file = array(
'filename' => basename($job->origfile . ".flv"),
'filemime' => 'application/octet-stream', // is there something better???
- 'filesize' => filesize($convfile),
- 'filepath' => $convfile,
+ 'filesize' => filesize($job->convfile),
+ 'filepath' => $job->convfile,
'nid' => $job->nid,
);
@@ -109,7 +109,6 @@ function video_render_start($job) {
print_r($file);
$dest_dir = variable_get('video_upload_default_path', 'videos') .'/';
- //print file_directory_path() . '/' . $dest_dir . basename($file->filename);
if (file_copy($file, file_directory_path() . '/' . $dest_dir)) {
$file->fid = db_next_id('{files}_fid');
print_r($file);
@@ -130,14 +129,63 @@ function video_render_start($job) {
/**
- * Select a job from the queue
+ * Select VIDEO_RENDERING_FFMPEG_INSTANCES jobs from the queue
+ *
+ * @return an array containing jobs
*/
function video_render_select() {
$result = db_query('SELECT * FROM {video_rendering} vr INNER JOIN {node} n ON vr.vid = n.vid INNER JOIN {video} v ON n.vid = v.vid WHERE n.nid = v.nid AND vr.nid = n.nid AND vr.status = %d ORDER BY n.created', VIDEO_RENDERING_PENDING);
+ // TODO: order jobs by priority
+
+ $jobs = array();
+ $i = 0;
+ $count = db_num_rows($result);
+ while($i < $count && $i < VIDEO_RENDERING_FFMPEG_INSTANCES) {
+ $jobs[] = db_fetch_object($result);
+ $i++;
+ }
+
+ return $jobs;
+}
+
+
+/**
+ * Get a string cointaining the command to be executed including options
+*/
+function _video_render_get_command(&$job) {
+
+ $videofile = escapeshellarg($job->origfile); // escape file name for safety
+ $convfile = tempnam(VIDEO_RENDERING_TEMP_PATH, 'video-rendering');
+ $audiobitrate = variable_get('video_ffmpeg_helper_auto_converter_audio_bitrate', 64);
+ $videobitrate = variable_get('video_ffmpeg_helper_auto_converter_video_bitrate', 200);
+ $size = _video_render_get_size($job);
+
+ $converter = VIDEO_RENDERING_FFMPEG_PATH;
+ $options = preg_replace(array('/%videofile/', '/%convertfile/', '/%audiobitrate/', '/%size/', '/%videobitrate/'), array($videofile, $convfile, $audiobitrate, $size, $videobitrate), variable_get('video_ffmpeg_helper_auto_converter_options', '-y -i %videofile -f flv -ar 22050 -ab %audiobitrate -s %size -b %videobitrate %convertfile'));
+ // set to the converted file output
+ $job->convfile = $convfile;
- return db_fetch_object($result);
+ return "$converter $options";
}
+
+
+
+/**
+ * Calculate the converted video size basing on the width set on administration.
+ * Aspect ration is maintained.
+*/
+function _video_render_get_size(&$job) {
+ $def_width = variable_get('video_ffmpeg_helper_auto_converter_width', 400);
+ $x = $job->videox;
+ $y = $job->videoy;
+
+ $height = $def_width * ($y / $x); // do you remember proportions?? :-)
+ return $def_width . 'x' . $height;
+}
+
+
+?>