[Ffmpeg-devel] [PATCH] Add fact chunk to non-PCM wav
Thu Nov 9 11:36:13 CET 2006
Michael has reported that
>> interresting, accoridng to microsofts excelent and unambigous documentation
>> (not kidding ...)
>> Fact Chunk
>> This chunk is required for all WAVE formats other than WAVE_FORMAT_PCM. It stores file
>> dependent information about the contents of the WAVE data. It currently specifies the time length of the
>> data in samples.
>> so this must not be under CODEC_ID_MSGSM, also it must be a seperate patch
>> as its not CODEC_ID_MSGSM specific
I took this literally, hence CODEC_ID_PCM_ALAW and CODEC_ID_PCM_MULAW
will get a fact chunk too.
Note that get_wav_header does not enforce the rule on input.
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