InputStreamAudio: fix compile error with libAv

Clement Champetier · Clement Champetier · commit 1cdebe6c5c4e · 2014-06-03T14:08:59.000+02:00
AVFrame has no "channels" attribute in LibAv. We should use
"av_get_channel_layout_nb_channels" on the "channel_layouts".
diff --git a/src/AvTranscoder/InputStreamAudio.cpp b/src/AvTranscoder/InputStreamAudio.cpp
@@ -137,10 +137,12 @@ bool InputStreamAudio::readNextFrame( AudioFrame& audioFrameBuffer )
 		if( audioFrameBuffer.getSize() != decodedSize )
 			audioFrameBuffer.getBuffer().resize( decodedSize );
 
+		int nb_channels = av_get_channel_layout_nb_channels( *m_codecContext->codec->channel_layouts );
+		
 		unsigned char* dest = audioFrameBuffer.getPtr();
 		av_samples_fill_arrays(&dest, m_frame->linesize,
 							   m_frame->data[0],
-							   m_frame->channels, m_frame->nb_samples,
+							   nb_channels, m_frame->nb_samples,
 							   m_codecContext->sample_fmt, 1);
 	}
 
