Mastering Android NDK by Sergey Kosarevsky & Viktor Latypov

Author:Sergey Kosarevsky & Viktor Latypov [Kosarevsky, Sergey]
Language: eng
Format: azw3, pdf
Publisher: Packt Publishing
Published: 2015-09-29T16:00:00+00:00

The stream parameters, like the number of channels, sampling rate and bits per sample, are retrieved here:

vorbis_info* VorbisInfo = OGG_ov_info ( &FVorbisFile, -1 ); FChannels = VorbisInfo->channels; FSamplesPerSec = VorbisInfo->rate; FBitsPerSample = 16; }

The destructor is trivial:

virtual ~clOggProvider() { OGG_ov_clear( &FVorbisFile ); }

The ReadFromFile() and Seek() methods are pretty much similar in spirit to what we have done when dealing with MiniMP3:

virtual int ReadFromFile( int Size, int BytesRead ) override { return ( int )OGG_ov_read( &FVorbisFile, &FBuffer[0] + BytesRead, Size - BytesRead, 0, FBitsPerSample / 8, 1, &FOGGCurrentSection ); } virtual void Seek( float Time ) override { FEof = false; OGG_ov_time_seek( &FVorbisFile, Time ); } private:

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