AudioFrame: added getChannelLayoutDesc method

Clement Champetier · Clement Champetier · commit b371beb2ecb9 · 2016-07-18T13:47:43.000+02:00
Will be used in the next commit.
diff --git a/src/AvTranscoder/data/decoded/AudioFrame.cpp b/src/AvTranscoder/data/decoded/AudioFrame.cpp
@@ -50,6 +50,13 @@ AudioFrame::AudioFrame(const Frame& otherFrame)
 {
 }
 
+std::string AudioFrame::getChannelLayoutDesc() const
+{
+    char buf[512];
+    av_get_channel_layout_string(buf, sizeof(buf), getNbChannels(), getChannelLayout());
+    return std::string(buf);
+}
+
 size_t AudioFrame::getSize() const
 {
     if(getSampleFormat() == AV_SAMPLE_FMT_NONE)
diff --git a/src/AvTranscoder/data/decoded/AudioFrame.hpp b/src/AvTranscoder/data/decoded/AudioFrame.hpp
@@ -45,6 +45,7 @@ class AvExport AudioFrame : public Frame
     size_t getSampleRate() const { return av_frame_get_sample_rate(_frame); }
     size_t getNbChannels() const { return av_frame_get_channels(_frame); }
     size_t getChannelLayout() const { return av_frame_get_channel_layout(_frame); }
+    std::string getChannelLayoutDesc() const;  ///< Get a description of a channel layout.
     AVSampleFormat getSampleFormat() const { return static_cast<AVSampleFormat>(_frame->format); }
     size_t getNbSamplesPerChannel() const { return _frame->nb_samples; }
     AudioFrameDesc desc() const { return AudioFrameDesc(getSampleRate(), getNbChannels(), getSampleFormat()); }

Original file line number	Diff line number	Diff line change
`@@ -50,6 +50,13 @@ AudioFrame::AudioFrame(const Frame& otherFrame)`
`50`	`50`	`{`
`51`	`51`	`}`
`52`	`52`
	`53`	`+std::string AudioFrame::getChannelLayoutDesc() const`
	`54`	`+{`
	`55`	`+ char buf[512];`
	`56`	`+ av_get_channel_layout_string(buf, sizeof(buf), getNbChannels(), getChannelLayout());`
	`57`	`+ return std::string(buf);`
	`58`	`+}`
	`59`	`+`
`53`	`60`	`size_t AudioFrame::getSize() const`
`54`	`61`	`{`
`55`	`62`	`if(getSampleFormat() == AV_SAMPLE_FMT_NONE)`