[Ffmpeg-devel] swscale.h in libavcodec and libswscale

[Víctor Paesa]

Hi Luca,

> Hi Diego,
>
> On Fri, 2006-10-20 at 00:12 +0200, Diego Biurrun wrote:
> [...]
>> > The attached patch is still not perfect (I think "make install" will
>> not
>> > work), but if you think that something like this should be committed
>> > I'll prepare a correct and more tested version.
>> >
>> > --- libavcodec/Makefile	(revision 6713)
>> > +++ libavcodec/Makefile	(working copy)
>> > @@ -4,6 +4,7 @@
>> >  #
>> >  include ../config.mak
>> >
>> > +CFLAGS+=-I$(SRC_PATH)/libswscale
>> >  CFLAGS+=$(AMR_CFLAGS)
>>
>> CFLAGS+=-I$(SRC_PATH)/libswscale $(AMR_CFLAGS)
>>
>> Apart from that the patch looks fine to me.
> Ok, I made this change and I also fixed "make install" (I hope I did it
> in the proper way). If noone complains, I'll apply this tomorrow.
>
Great work, but Cygwin mercyless complains on undefined references
and swcaler references libavutil so I got these errors:

gcc -shared -Wl,--out-implib=libswscale.dll.a -Wl,--warn-common   -pthread
-rdynamic -export-dynamic
-Wl,-rpath-link,/home/Inma/src/ffmpeg-svn/ffmpeg/libavcodec
-Wl,-rpath-link,/home/Inma/src/ffmpeg-svn/ffmpeg/libavformat
-Wl,-rpath-link,/home/Inma/src/ffmpeg-svn/ffmpeg/libavutil -o
cygswscale-0.dll swscale.o rgb2rgb.o yuv2rgb.o -lz -lmp3lame -lvfw32
gcc: unrecognized option `-pthread'
gcc: unrecognized option `-rdynamic'
swscale.o: In function `swScale_MMX':
/home/Inma/src/ffmpeg-svn/ffmpeg/libswscale/swscale_template.c:2921:
undefined reference to `_av_log'
swscale.o: In function `sws_freeVec':
/home/Inma/src/ffmpeg-svn/ffmpeg/libswscale/swscale.c:2650: undefined
reference to `_av_free'
swscale.o: In function `initFilter':
/home/Inma/src/ffmpeg-svn/ffmpeg/libswscale/swscale.c:920: undefined
reference to `_av_malloc'
/home/Inma/src/ffmpeg-svn/ffmpeg/libswscale/swscale.c:926: undefined
reference to `_av_malloc'
/home/Inma/src/ffmpeg-svn/ffmpeg/libswscale/swscale.c:1100: undefined
reference to `_av_malloc'
[...]


I added this line on top of your patch:
===================================================================
--- libswscale/Makefile (revision 20371)
+++ libswscale/Makefile (working copy)
@@ -7,6 +7,8 @@
 LIBMAJOR=$(SWSMAJOR)
 endif

+EXTRALIBS := -L$(BUILD_ROOT)/libavutil -lavutil$(BUILDSUF)
+
 OBJS= swscale.o rgb2rgb.o yuv2rgb.o
 ifeq ($(TARGET_ALTIVEC),yes)
 OBJS+=  yuv2rgb_altivec.o

Regards,
V?ctor