public function Generate(KDLMediaDataSet $mediaSet, KDLProfile $profile, array &$targetList)
{
if ($mediaSet != null && $mediaSet->IsDataSet()) {
$rv = $this->Initialize($mediaSet);
if ($rv == false) {
/*
* fix #9599 - handles rm files that fails to extract media info, but still playable by real player -
* simulate video and audio elements, although no source mediainfo is provided
*/
if ($this->_srcDataSet->_container && $this->_srcDataSet->_container->IsFormatOf(array("realmedia"))) {
$rmSrc = $this->_srcDataSet;
$rmSrc->_errors = array();
$rmSrc->_video = new KDLVideoData();
$rmSrc->_video->_id = $rmSrc->_video->_format = "realvideo";
$rmSrc->_audio = new KDLAudioData();
$rmSrc->_audio->_id = $rmSrc->_audio->_format = "realaudio";
$rmSrc->_warnings[KDLConstants::ContainerIndex][] = KDLWarnings::ToString(KDLWarnings::RealMediaMissingContent);
KalturaLog::log("An invalid source RealMedia file thatfails to provide valid mediaInfodata. Set up a flavor with 'default' params.");
} else {
return false;
}
}
}
if ($profile == null) {
return true;
}
$this->GenerateTargetFlavors($profile, $targetList);
if (count($this->_srcDataSet->_errors) > 0) {
return false;
}
return true;
}
public function GenerateTarget(KDLMediaDataSet $source)
{
if ($source == null || !$source->IsDataSet() || $this->_flags & self::ForceCommandLineFlagBit) {
KalturaLog::log("FORCE " . $this->_flags);
$target = clone $this;
if ($target->_video && ($target->_video->_gop === null || $target->_video->_gop == 0)) {
$target->_video->_gop = KDLConstants::DefaultGOP;
}
$target->_warnings[KDLConstants::ContainerIndex][] = KDLWarnings::ToString(KDLWarnings::ForceCommandline);
} else {
$target = $this->generateTargetFlavor($source);
if ($target->_video == "" && $target->_audio == "" && $target->_image == "") {
// "Invalid File - No media content";
$target->_errors[KDLConstants::ContainerIndex][] = KDLErrors::ToString(KDLErrors::NoValidMediaStream);
}
if ($target->validateTranscoders($source, $target->_transcoders) == false) {
// "No valid transcoder";
$target->_errors[KDLConstants::ContainerIndex][] = KDLErrors::ToString(KDLErrors::NoValidTranscoders);
}
//kLog::log("==>\n".print_r($target->_transcoders,true));
}
$this->generateCommandLines($target, $target->_transcoders);
return $target;
}
public function GenerateIntermediateSource(KDLMediaDataSet $mediaSet, KDLProfile $profile = null)
{
/*
* Check minimal source validity, else get out
*/
if ($mediaSet == null || !$mediaSet->IsDataSet()) {
return null;
}
/*
* Source is invalid if Initialize() fails, unless it is an ARF
*/
if (!(isset($mediaSet->_container) && $mediaSet->_container->_format == "arf" || $mediaSet->Initialize())) {
return null;
}
$interSrcProfile = null;
$forceAudioStream = false;
/*
* For ARF ==> webex plugin
*/
if (isset($mediaSet->_container) && $mediaSet->_container->IsFormatOf(array("arf"))) {
$interSrcProfile = $this->setProfileWithIntermediateSource(KDLContainerTarget::COPY, KDLVideoTarget::WVC1A, 4000, 1080, KDLAudioTarget::WMA, 128, 0, 1, "webexNbrplayer.WebexNbrplayer");
/*
* Following creates 3 retries for Webex conversions.
* Required for the sake of 'garbled audio' issue.
*/
$interSrcFlavor = $interSrcProfile->_flavors[0];
$interSrcFlavor->_transcoders[] = $interSrcFlavor->_transcoders[0];
$interSrcFlavor->_transcoders[] = $interSrcFlavor->_transcoders[0];
} else {
if (isset($mediaSet->_video) && $mediaSet->_video->IsFormatOf(array("gotomeeting", "g2m3", "gotomeeting3"))) {
$interSrcProfile = $this->setProfileWithIntermediateSource(KDLContainerTarget::WMV, KDLVideoTarget::WVC1A, 4000, 1080, KDLAudioTarget::WMA, 128, 0, 1, "expressionEncoder.ExpressionEncoder");
} else {
if (isset($mediaSet->_video) && ($mediaSet->_container->IsFormatOf(array("qt", "mov")) && $mediaSet->_video->IsFormatOf(array("wmv", "wmv2", "wmv3", "wvc1", "vc1", "vc-1")) && $mediaSet->_audio->IsFormatOf(array("wma", "wma2", "wma3", "windows media audio", "windows media audio 10 professional")))) {
$interSrcProfile = $this->setProfileWithIntermediateSource(KDLContainerTarget::MP4, KDLVideoTarget::H264H, 4000, 1080, KDLAudioTarget::AAC, 128, 0, 1, "quickTimeTools.QuickTimeTools");
} else {
if (isset($mediaSet->_video) && $mediaSet->_video->IsFormatOf(array("xdvd", "xdva", "xdvb", "xdvc", "xdve", "xdvf", "xdv4", "hdv2"))) {
foreach ($profile->_flavors as $flvr) {
foreach ($flvr->_transcoders as $trans) {
if ($trans->_id == KDLTranscoders::ON2) {
$interSrcProfile = $this->setProfileWithIntermediateSource(KDLContainerTarget::MP4, KDLVideoTarget::H264H, 4000, 1080, KDLAudioTarget::AAC, 128, 0, 0, KDLTranscoders::FFMPEG);
break;
}
}
if (isset($interSrcProfile)) {
break;
}
}
} else {
if (isset($mediaSet->_video) && !isset($mediaSet->_audio)) {
foreach ($profile->_flavors as $flvr) {
if (preg_match('/widevine/', strtolower($flvr->_tags), $matches)) {
$interSrcProfile = $this->setProfileWithIntermediateSource(KDLContainerTarget::MP4, KDLVideoTarget::H264H, 4000, 1080, KDLAudioTarget::AAC, 128, 0, 0, KDLTranscoders::FFMPEG);
$forceAudioStream = true;
break;
}
}
} else {
if (isset($mediaSet->_video) && $mediaSet->_video->IsFormatOf(array("wvc1", "wmv3")) && isset($mediaSet->_contentStreams) && isset($mediaSet->_contentStreams->video) && count($mediaSet->_contentStreams->video) > 0 && isset($mediaSet->_contentStreams->video[0]->progressiveSegmented) && $mediaSet->_contentStreams->video[0]->progressiveSegmented == true) {
foreach ($profile->_flavors as $flvr) {
foreach ($flvr->_transcoders as $trans) {
if ($trans->_id == KDLTranscoders::FFMPEG) {
$interSrcProfile = $this->setProfileWithIntermediateSource(KDLContainerTarget::MP4, KDLVideoTarget::H264H, 4000, 1080, KDLAudioTarget::AAC, 128, 0, 0, KDLTranscoders::MENCODER);
break;
}
}
if (isset($interSrcProfile)) {
break;
}
}
}
}
}
}
}
}
/*
else if($mediaSet->_video->IsFormatOf(array("tscc","tsc2"))) {
$interSrcProfile = $this->setProfileWithIntermediateSource(KDLContainerTarget::MP4,
KDLVideoTarget::H264H, 4000, 1080,
KDLAudioTarget::AAC, 128, 0,
0, KDLTranscoders::FFMPEG);
}
*/
/*
* If no "inter-src" cases ==> get out
*/
if (!isset($interSrcProfile)) {
return null;
}
KalturaLog::log("Automatic Intermediate Source will be generated");
$targetList = array();
$this->Generate($mediaSet, $interSrcProfile, $targetList);
if (count($targetList) == 0) {
return null;
}
if (!isset($targetList[0]->_video->_width)) {
$targetList[0]->_video->_width = 0;
}
//Add silent track to video
if ($forceAudioStream) {
//When duration is set on the source we will use it instead of the -shortest to avoid large difference between video and audio difference
if ($this->_srcDataSet->_video->_duration) {
$useToAddSilence = "-t " . $this->_srcDataSet->_video->_duration / 1000;
} else {
$useToAddSilence = "-shortest";
}
$cmd = $targetList[0]->_transcoders[0]->_cmd;
$cmd = str_replace("__inFileName__", "__inFileName__ -ar 44100 -ac 2 -f s16le -i /dev/zero " . $useToAddSilence, $cmd);
$cmd = str_replace("-an", "-b:a 64k", $cmd);
$targetList[0]->_transcoders[0]->_cmd = $cmd;
}
return $targetList[0];
}
