On Sun, Sep 20, 2015 at 10:41 AM, wm4 <nfx...@googlemail.com> wrote: > On Fri, 18 Sep 2015 18:16:18 -0400 > Ganesh Ajjanagadde <gajjanaga...@gmail.com> wrote: > >> Multichar literals are implementation defined, and thus trigger -Wmultichar: >> http://fate.ffmpeg.org/log.cgi?time=20150918202532&log=compile&slot=x86_64-darwin-gcc-5. >> http://www.zipcon.net/~swhite/docs/computers/languages/c_multi-char_const.html >> gives a good summary of how to deal with them; in particular this patch >> results in behavior identical to that generated by GCC (which I assume is >> correct this case). >> >> Signed-off-by: Ganesh Ajjanagadde <gajjanaga...@gmail.com> >> --- >> libavcodec/vda_h264.c | 4 +++- >> 1 file changed, 3 insertions(+), 1 deletion(-) >> >> diff --git a/libavcodec/vda_h264.c b/libavcodec/vda_h264.c >> index 8c526c0..3279afa 100644 >> --- a/libavcodec/vda_h264.c >> +++ b/libavcodec/vda_h264.c >> @@ -339,7 +339,9 @@ int ff_vda_default_init(AVCodecContext *avctx) >> CFMutableDictionaryRef buffer_attributes; >> CFMutableDictionaryRef io_surface_properties; >> CFNumberRef cv_pix_fmt; >> - int32_t fmt = 'avc1', pix_fmt = vda_ctx->cv_pix_fmt_type; >> +#define LE_CHR(a,b,c,d) ( ((a)<<24) | ((b)<<16) | ((c)<<8) | (d) ) >> + int32_t fmt = LE_CHR( 'a', 'v', 'c', '1'); >> + int32_t pix_fmt = vda_ctx->cv_pix_fmt_type; >> >> // kCVPixelFormatType_420YpCbCr8Planar; >> > > Sorry, but this is probably completely pointless. Apple and code using > Apple APIs use this in a lot of places. Also, since this is Apple > specific anyway (and thus runs on only 1 compiler and 1 platform), the > portability argument doesn't make sense either.
please see patchv2. > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel