Justin Ruggles 6ac34eed54 g726: use bits_per_coded_sample instead of bitrate to determine mode ...

This requires some workarounds in the WAV muxer and demuxer. We need to write
the correct bits_per_coded_sample and block_align in the muxer. In the
demuxer, we cannot rely on the bits_per_coded_sample value, so we use the bit
rate and sample rate to determine the value.

This avoids having the decoder rely on AVCodecContext.bit_rate, which is not
required to be set by the user for decoding according to our API.

2011-11-01 21:23:03 -04:00

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