本文整理汇总了C++中AudioStream::Frames方法的典型用法代码示例。如果您正苦于以下问题：C++ AudioStream::Frames方法的具体用法？C++ AudioStream::Frames怎么用？C++ AudioStream::Frames使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类AudioStream的用法示例。
在下文中一共展示了AudioStream::Frames方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: ScanSong
std::string ScanSong(std::string fileName, bool doReplayGain)
{
BassSource bassSource;
AvSource avSource;
bool bassLoaded = bassSource.Load(fileName, true);
bool avLoaded = bassLoaded ? false : avSource.Load(fileName);
uint32_t channels = 0;
std::string type;
double length = 0;
uint32_t samplerate = 0;
uint32_t bitrate = 0;
Machine* decoder = 0;
if (bassLoaded)
{
channels = bassSource.Channels();
type = bassSource.CodecType();
length = bassSource.Duration();
samplerate = bassSource.Samplerate();
bitrate = bassSource.Bitrate();
decoder = static_cast<Machine*>(&bassSource);
}
if (avLoaded)
{
channels = avSource.Channels();
type = avSource.CodecType();
samplerate = avSource.Samplerate();
bitrate = avSource.Bitrate();
decoder = static_cast<Machine*>(&avSource);
}
if (!avLoaded && !bassLoaded)
logror::Fatal("unknown format");
if (samplerate == 0)
logror::Fatal("samplerate is zero");
if (channels < 1 || channels > 2)
logror::Fatal("unsupported number of channels");
uint64_t frameCounter = 0;
RG_SampleFormat format = {samplerate, RG_FLOAT_32_BIT, channels, FALSE};
RG_Context* context = RG_NewContext(&format);
AudioStream stream;
if (doReplayGain || avLoaded)
while (!stream.endOfStream)
{
decoder->Process(stream, 48000);
float* buffers[2] = {stream.Buffer(0), channels == 2 ? stream.Buffer(1) : NULL};
if (doReplayGain)
RG_Analyze(context, buffers, stream.Frames());
frameCounter += stream.Frames();
}
double replayGain = RG_GetTitleGain(context);
RG_FreeContext(context);
if (avLoaded)
length = static_cast<double>(frameCounter) / samplerate;
std::string msg = "type:%1%\nlength:%2%\n";
if (doReplayGain)
msg.append("replay gain:%3%\n");
if (bassSource.IsModule())
msg.append("loopiness:%6%");
else
msg.append("bitrate:%4%\nsamplerate:%5%");
boost::format formater(msg);
formater.exceptions(boost::io::no_error_bits);
return str(formater % type % length % replayGain % bitrate
% samplerate % bassSource.Loopiness());
}