[FFmpeg-devel] [PATCH] read header in FLAC demuxer

Justin Ruggles justin.ruggles
Sun Mar 1 06:51:17 CET 2009

Justin Ruggles wrote:
> Michael Niedermayer wrote:
>> On Sat, Feb 28, 2009 at 09:08:18PM -0500, Justin Ruggles wrote:
>>> Justin Ruggles wrote:
>>>> Michael Niedermayer wrote:
>>>>> On Mon, Feb 02, 2009 at 09:00:05PM -0500, Justin Ruggles wrote:
>>>>>> I'm open to suggestions or other samples to test.
>>>>> what you tested sounds good
>>>>> in addition you could test if -acodec copy to containers supporting flac
>>>>> result in identical files
>>>> Good idea. I'll test some, then submit the new patch.
>>> Now that the FLAC muxer has changed, this patch is somewhat simpler.  It
>>> still disallows the header to be passed to the decoder with frame data,
>>> but that is not needed by any of our demuxers after this patch.  One
>>> thing I'm unsure of is whether or not to bump the lavc minor version
>>> since the FLAC decoder behavior will change.
>>> As for "-acodec copy", the only thing that will change is that remuxing
>>> from raw FLAC to wav or avi will put the STREAMINFO in WAVEFORMATEX like
>>> it should instead of in the data.  Remuxing raw FLAC to other containers
>>> is still broken because we don't have a FLAC parser.
>> will flac in avi files from "old" ffmpeg still work with new?
> No, not the ones made by remuxing raw FLAC... but I would consider those
> broken files.  flac-in-avi remuxed from ogg or mkv produce correct files.

Oh, and flac-in-avi made using our FLAC encoder are correct as well.


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