avfilter/vf_mp: remove unused sws related functions

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-08-16 15:55:19 +02:00
parent 247fa6c27c
commit cbdf4d6a61

View File

@ -185,61 +185,6 @@ enum AVPixelFormat ff_mp2ff_pix_fmt(int mp){
return mp == conversion_map[i].fmt ? conversion_map[i].pix_fmt : AV_PIX_FMT_NONE;
}
static void ff_sws_getFlagsAndFilterFromCmdLine(int *flags, SwsFilter **srcFilterParam, SwsFilter **dstFilterParam)
{
static int firstTime=1;
*flags=0;
#if ARCH_X86
if(ff_gCpuCaps.hasMMX)
__asm__ volatile("emms\n\t"::: "memory"); //FIXME this should not be required but it IS (even for non-MMX versions)
#endif
if(firstTime)
{
firstTime=0;
*flags= SWS_PRINT_INFO;
}
else if( ff_mp_msg_test(MSGT_VFILTER,MSGL_DBG2) ) *flags= SWS_PRINT_INFO;
switch(SWS_BILINEAR)
{
case 0: *flags|= SWS_FAST_BILINEAR; break;
case 1: *flags|= SWS_BILINEAR; break;
case 2: *flags|= SWS_BICUBIC; break;
case 3: *flags|= SWS_X; break;
case 4: *flags|= SWS_POINT; break;
case 5: *flags|= SWS_AREA; break;
case 6: *flags|= SWS_BICUBLIN; break;
case 7: *flags|= SWS_GAUSS; break;
case 8: *flags|= SWS_SINC; break;
case 9: *flags|= SWS_LANCZOS; break;
case 10:*flags|= SWS_SPLINE; break;
default:*flags|= SWS_BILINEAR; break;
}
*srcFilterParam= NULL;
*dstFilterParam= NULL;
}
//exact copy from vf_scale.c
// will use sws_flags & src_filter (from cmd line)
struct SwsContext *ff_sws_getContextFromCmdLine(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat)
{
int flags, i;
SwsFilter *dstFilterParam, *srcFilterParam;
enum AVPixelFormat dfmt, sfmt;
for(i=0; conversion_map[i].fmt && dstFormat != conversion_map[i].fmt; i++);
dfmt= conversion_map[i].pix_fmt;
for(i=0; conversion_map[i].fmt && srcFormat != conversion_map[i].fmt; i++);
sfmt= conversion_map[i].pix_fmt;
if (srcFormat == IMGFMT_RGB8 || srcFormat == IMGFMT_BGR8) sfmt = AV_PIX_FMT_PAL8;
ff_sws_getFlagsAndFilterFromCmdLine(&flags, &srcFilterParam, &dstFilterParam);
return sws_getContext(srcW, srcH, sfmt, dstW, dstH, dfmt, flags , srcFilterParam, dstFilterParam, NULL);
}
typedef struct {
const AVClass *class;
vf_instance_t vf;