Introduce FFmpegAudioStream implementation

src/osgPlugins/ffmpeg/FFmpegAudioStream.cpp

@@ -0,0 +1,79 @@
+
+#include "FFmpegAudioStream.hpp"
+
+#include <OpenThreads/ScopedLock>
+#include <osg/Notify>
+
+#include "FFmpegDecoder.hpp"
+#include "MessageQueue.hpp"
+
+#include <memory>
+
+
+
+namespace osgFFmpeg {
+
+
+
+FFmpegAudioStream::FFmpegAudioStream(FFmpegDecoder* decoder):
+    m_decoder(decoder)
+{
+}
+
+
+
+FFmpegAudioStream::FFmpegAudioStream(const FFmpegAudioStream & audio, const osg::CopyOp & copyop) :
+    osg::AudioStream(audio, copyop)
+{
+}
+
+FFmpegAudioStream::~FFmpegAudioStream()
+{
+}
+
+void FFmpegAudioStream::setAudioSink(osg::AudioSink* audio_sink)
+{ 
+    osg::notify(osg::NOTICE)<<"FFmpegAudioStream::setAudioSink( "<<audio_sink<<")"<<std::endl;
+    m_decoder->audio_decoder().setAudioSink(audio_sink); 
+}
+
+
+void FFmpegAudioStream::consumeAudioBuffer(void * const buffer, const size_t size)
+{ 
+    m_decoder->audio_decoder().fillBuffer(buffer, size);
+}
+
+double FFmpegAudioStream::duration() const
+{ 
+    return m_decoder->duration(); 
+}
+
+
+bool FFmpegAudioStream::audioStream() const 
+{ 
+    return m_decoder->audio_decoder().validContext(); 
+}
+
+
+
+int FFmpegAudioStream::audioFrequency() const 
+{ 
+    return m_decoder->audio_decoder().frequency(); 
+}
+
+
+
+int FFmpegAudioStream::audioNbChannels() const 
+{ 
+    return m_decoder->audio_decoder().nbChannels();
+}
+
+
+
+osg::AudioStream::SampleFormat FFmpegAudioStream::audioSampleFormat() const 
+{ 
+    return m_decoder->audio_decoder().sampleFormat(); 
+}
+
+
+} // namespace osgFFmpeg