This function retrieves buffers containing decoded audio samples, similarly
cannam@86: to vorbis_synthesis_pcmout.
cannam@86: However, it includes some extra samples extrapolated from the end of
cannam@86: the audio, suitable for crosslapping with other blocks. This exists mainly
cannam@86: for libvorbisfile to use for
cannam@86: handling chained bitstreams and bitstreams with holes.
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cannam@86: extern int vorbis_synthesis_lapout(vorbis_dsp_state *v,float ***pcm);
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A pointer to a float** which will be made to point to an array of
cannam@86: pointers to the decoded samples for each channel. The memory is owned
cannam@86: by the decoder instance and will be freed when the application continues
cannam@86: decoding or destroys the decoder instance. This can be NULL, in which
cannam@86: case the return value gives the number of samples that would be returned
cannam@86: if this function were called with a non-NULL pointer here.
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Return Values
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The number of samples available in the output buffer.