[Audio] Use MP3 format instead of OGG when using IE browsers

src/ui/audio/Audio.cpp

@@ -502,7 +502,18 @@ Audio::playTrack(boost::filesystem::path p)
 
 		Transcode::InputMediaFile inputFile(p);
 
-		Transcode::Parameters parameters(inputFile, Transcode::Format::get(Transcode::Format::OGA));
+		// Determine the output format using the encoding of the player
+		Transcode::Format::Encoding encoding;
+		switch(AudioMediaPlayer::getEncoding())
+		{
+			case Wt::WMediaPlayer::MP3: encoding = Transcode::Format::MP3; break;
+			case Wt::WMediaPlayer::M4A: encoding = Transcode::Format::M4A; break;
+			case Wt::WMediaPlayer::OGA: encoding = Transcode::Format::OGA; break;
+			default:
+			    encoding = Transcode::Format::MP3;
+		}
+
+		Transcode::Parameters parameters(inputFile, Transcode::Format::get(encoding));
 
 		parameters.setBitrate(Transcode::Stream::Audio, bitrate);
 

src/ui/audio/AudioMediaPlayer.cpp

@@ -23,11 +23,24 @@
 #include <Wt/WTemplate>
 #include <Wt/WHBoxLayout>
 #include <Wt/WVBoxLayout>
+#include <Wt/WApplication>
+#include <Wt/WEnvironment>
 
 #include "AudioMediaPlayer.hpp"
 
 namespace UserInterface {
 
+Wt::WMediaPlayer::Encoding
+AudioMediaPlayer::getEncoding()
+{
+	const Wt::WEnvironment& env = Wt::WApplication::instance()->environment();
+
+	if (env.agentIsIE())
+		return Wt::WMediaPlayer::MP3;
+	else
+		return Wt::WMediaPlayer::OGA;
+}
+
 AudioMediaPlayer::AudioMediaPlayer( Wt::WContainerWidget *parent)
 	: Wt::WContainerWidget(parent),
 	_mediaResource(nullptr)
@@ -98,7 +111,7 @@ AudioMediaPlayer::AudioMediaPlayer( Wt::WContainerWidget *parent)
 	controlsLayout->addWidget(shuffle);
 
 	_mediaPlayer = new Wt::WMediaPlayer( Wt::WMediaPlayer::Audio, btnContainer );
-	_mediaPlayer->addSource( Wt::WMediaPlayer::OGA, "" );
+	_mediaPlayer->addSource( getEncoding(), "" );
 	_mediaPlayer->ended().connect(this, &AudioMediaPlayer::handleTrackEnded);
 
 	_mediaPlayer->setControlsWidget( 0 );
@@ -142,7 +155,7 @@ AudioMediaPlayer::loadPlayer(void)
 	_mediaResource = new AvConvTranscodeStreamResource( *_currentParameters, this );
 	_mediaInternalLink.setResource( _mediaResource );
 
-	_mediaPlayer->addSource( Wt::WMediaPlayer::OGA, _mediaInternalLink );
+	_mediaPlayer->addSource( getEncoding(), _mediaInternalLink );
 }
 
 void

src/ui/audio/AudioMediaPlayer.hpp

@@ -38,6 +38,9 @@ class AudioMediaPlayer : public Wt::WContainerWidget
 {
 	public:
 
+		// Encoding is set based on environment
+		static Wt::WMediaPlayer::Encoding getEncoding();
+
 		AudioMediaPlayer( Wt::WContainerWidget *parent = 0);
 
 		void load(const Transcode::Parameters& parameters);

src/ui/resource/AvConvTranscodeStreamResource.cpp

@@ -58,6 +58,7 @@ AvConvTranscodeStreamResource::handleRequest(const Wt::Http::Request& request,
 		LMS_LOG(MOD_UI, SEV_DEBUG) << "Launching transcoder";
 		transcoder = std::make_shared<Transcode::AvConvTranscoder>( _parameters);
 
+		LMS_LOG(MOD_UI, SEV_DEBUG) << "Mime type set to '" << _parameters.getOutputFormat().getMimeType() << "'";
 		response.setMimeType(_parameters.getOutputFormat().getMimeType());
 	}