[FFmpeg-devel] [PATCH] Fix some warnings in NUT (de)muxer

Michael Niedermayer michaelni
Wed Mar 24 22:51:30 CET 2010


On Wed, Mar 24, 2010 at 09:03:31PM +0100, Vitor Sessak wrote:
> Michael Niedermayer wrote:
>> On Wed, Mar 24, 2010 at 08:35:24PM +0100, Vitor Sessak wrote:
>>> $subj.
>>>
>>> Patch 1:
>>> libavformat/nutdec.c: In function ?read_seek?:
>>> libavformat/nutdec.c:862: warning: passing argument 3 of 
>>> ?av_tree_find? from incompatible pointer type
>>> ./libavutil/tree.h:44: note: expected ?int (*)(void *, const void *)? 
>>> but argument is of type ?int (*)(struct Syncpoint *, struct Syncpoint 
>>> *)?
>>> libavformat/nutdec.c:871: warning: passing argument 3 of 
>>> ?av_tree_find? from incompatible pointer type
>>> ./libavutil/tree.h:44: note: expected ?int (*)(void *, const void *)? 
>>> but argument is of type ?int (*)(struct Syncpoint *, struct Syncpoint 
>>> *)?
>>> libavformat/nutdec.c:879: warning: passing argument 3 of 
>>> ?av_tree_find? from incompatible pointer type
>>> ./libavutil/tree.h:44: note: expected ?int (*)(void *, const void *)? 
>>> but argument is of type ?int (*)(struct Syncpoint *, struct Syncpoint 
>>> *)?
>>> CC	libavformat/nutenc.o
>>> libavformat/nutenc.c: In function ?write_packet?:
>>> libavformat/nutenc.c:680: warning: passing argument 3 of 
>>> ?av_tree_find? from incompatible pointer type
>>> ./libavutil/tree.h:44: note: expected ?int (*)(void *, const void *)? 
>>> but argument is of type ?int (*)(struct Syncpoint *, struct Syncpoint 
>>> *)?
>>>
>>> Patch 2:
>>> libavformat/nutdec.c: In function ?read_seek?:
>>> libavformat/nutdec.c:862: warning: passing argument 4 of 
>>> ?av_tree_find? from incompatible pointer type
>>> ./libavutil/tree.h:44: note: expected ?void **? but argument is of 
>>> type ?struct Syncpoint **?
>>> libavformat/nutdec.c:871: warning: passing argument 4 of 
>>> ?av_tree_find? from incompatible pointer type
>>> ./libavutil/tree.h:44: note: expected ?void **? but argument is of 
>>> type ?struct Syncpoint **?
>>>
>>> -Vitor
>>>  nut.c |   11 ++++++++---
>>>  nut.h |    4 ++--
>>>  2 files changed, 10 insertions(+), 5 deletions(-)
>>> 4fb6aa0edd5e782f70ef9b755e04262c98ece7cf  nut_warnings.diff
>>> Index: libavformat/nut.c
>>> ===================================================================
>>> --- libavformat/nut.c	(revision 22644)
>>> +++ libavformat/nut.c	(working copy)
>>> @@ -47,11 +47,15 @@
>>>      return  ((lsb - delta)&mask) + delta;
>>>  }
>>>  -int ff_nut_sp_pos_cmp(Syncpoint *a, Syncpoint *b){
>>> +int ff_nut_sp_pos_cmp(void *ap, const void *bp){
>>> +    Syncpoint *a = ap;
>>> +    const Syncpoint *b = bp;
>>>      return ((a->pos - b->pos) >> 32) - ((b->pos - a->pos) >> 32);
>>>  }
>>>  -int ff_nut_sp_pts_cmp(Syncpoint *a, Syncpoint *b){
>>> +int ff_nut_sp_pts_cmp(void *ap, const void *bp){
>>> +    Syncpoint *a = ap;
>>> +    const Syncpoint *b = bp;
>>>      return ((a->ts - b->ts) >> 32) - ((b->ts - a->ts) >> 32);
>>>  }
>>>  
>> fix gcc instead or just cast the function pointer to void*
>
> Used the cast, but added "const" to the type to make it more correct 
> (attached).

both args should be const


>
>>> @@ -69,9 +73,10 @@
>>>      }
>>>  }
>>>  -static void enu_free(void *opaque, void *elem)
>>> +static int enu_free(void *opaque, void *elem)
>>>  {
>>>      av_free(elem);
>>> +    return 0;
>>>  }
>> ok
>
> Applied. What about the second patch in the previous email?

ok of corse

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I wish the Xiph folks would stop pretending they've got something they
do not.  Somehow I fear this will remain a wish. -- M?ns Rullg?rd
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