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how to get the VorbisFormat2
troyou
post Jun 6 2012, 08:30
Post #1





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I try to decoder ogg in mediafoundation. now I have see the dshow filter but I don't understand how to create VORBISFORMAT2

struct VORBISFORMAT2
{
unsigned long channels;
unsigned long samplesPerSec;
unsigned long bitsPerSample;
unsigned long headerSize[3]; // 0: Identification, 1: Comment, 2: CodecSetup
};

VorbisDecodeInputPin::SetMediaType(const CMediaType* inMediaType)
{
...
mVorbisDecoder.Init(reinterpret_cast<VORBISFORMAT2*>(inMediaType->pbFormat));
}
I don't know how to get inMediaType->pbFormat in mediafoundation. or how to get the VORBISFORMAT2s header by use libvorbis?
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