[Ffmpeg-devel] [bug] raw.c link failure on ff_ac3_parse_header

Baptiste Coudurier baptiste.coudurier
Thu Apr 12 11:49:06 CEST 2007

Baptiste Coudurier wrote:
> Hi
> Michael Niedermayer wrote:
>> Hi
>> On Thu, Apr 12, 2007 at 12:58:42AM +0200, Diego Biurrun wrote:
>>> On Wed, Apr 11, 2007 at 01:10:06PM +0200, Michael Niedermayer wrote:
>>>> On Wed, Apr 11, 2007 at 11:22:51AM +0200, Diego Biurrun wrote:
>>>>> On Tue, Apr 10, 2007 at 09:53:18AM +0100, M?ns Rullg?rd wrote:
>>>>>> Diego Biurrun <diego at biurrun.de> writes:
>>>>>>> I'm thinking that it might be cleaner to move ff_ac3_parse_header out of
>>>>>>> ac3.c and into parser.c where the other parse functions are.  This would
>>>>>>> save some #ifdefs in ac3.c.
>>>>>> I'm undecided on the location of these things.  In a way I like to
>>>>>> keep everything relating to a particular codec together, especially
>>>>>> when the decoder uses the same functions.  OTOH keeping the parser
>>>>>> code in one place has its virtues.
>>>>> Here's an alternative patch that moves the code.  It's slightly more
>>>>> intrusive since it has to move code around, but it adds only one #ifdef.
>>>>> I think I prefer this version.
>>>> iam against moving ac3 related code from ac3 related files to parser.c
>>> But parser.c already contains code related to several other codecs like
>>> MPEG-4 and AAC, MP2, MP3, AC3.  The rest of the AC3 parsing code is
>>> there.  Also, without even more #ifdefs, when you need just this one
>>> function, you have to link all of ac3.o into libavcodec.
>>> The first patch adds 4 #ifdef conditionals, the second just one and to a
>>> file that already has quite a few.  My vote goes to this variant.
>> my vote goes to putting all the parsing code in <codec>_parser.c
> my vote is: put code in parser.c until <codec>_parser.c is in effect,
> or implement a generic avformat demuxer for raw based on codec specified
> and AVParser activation.

too quick, and codec probe API.

Baptiste COUDURIER                              GnuPG Key Id: 0x5C1ABAAA
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