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

Diego Biurrun diego
Sun Apr 15 14:36:51 CEST 2007


On Sat, Apr 14, 2007 at 07:41:41PM +0200, Michael Niedermayer wrote:
> 
> On Sat, Apr 14, 2007 at 01:01:34PM -0400, Justin Ruggles wrote:
> > Diego Biurrun wrote:
> > > On Thu, Apr 12, 2007 at 11:36:27AM +0200, Michael Niedermayer wrote:
> > > 
> > >>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
> > > 
> > > 
> > > IMO this is something that can be done later on.  In the meantime I
> > > think my second patch is the cleaner solution of the two.
> > 
> > I agree here.  I do like Michael's idea of separate files for different
> > parsers, but for now I agree with Diego that the function could be moved
> > out of ac3.c to fix the dependancy issue.
> 
> as ive alraedy said in a seperate thread you have my agreement with moving
> the code around (i dont think its the most beautifully solution but well
> its better then a bug)

Code moved and dependencies declared in separate commits.

The original bug report is resolved now.

Diego




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