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integrating blackfin optimized yuyvtoyv12 converter 

Originally committed as revision 23833 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Marc Hoffman 2007-07-20 00:11:38 +00:00
parent b41c9046cc
commit 7889f52890
1 changed files with 23 additions and 0 deletions
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23
libswscale/swscale_bfin.c
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@ -39,6 +39,10 @@ extern int ff_bfin_uyvytoyv12 (const uint8_t *src, uint8_t *ydst, uint8_t *udst,
long width, long height,
long lumStride, long chromStride, long srcStride) __attribute__ ((l1_text));
extern int ff_bfin_yuyvtoyv12 (const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
long width, long height,
long lumStride, long chromStride, long srcStride) __attribute__ ((l1_text));
static int uyvytoyv12_unscaled (SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[])
{
@ -53,6 +57,20 @@ static int uyvytoyv12_unscaled (SwsContext *c, uint8_t* src[], int srcStride[],
return srcSliceH;
}
static int yuyvtoyv12_unscaled (SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[])
{
uint8_t *dsty = dst[0] + dstStride[0]*srcSliceY;
uint8_t *dstu = dst[1] + dstStride[1]*srcSliceY/2;
uint8_t *dstv = dst[2] + dstStride[2]*srcSliceY/2;
uint8_t *ip = src[0] + srcStride[0]*srcSliceY;
int w = dstStride[0];
ff_bfin_yuyvtoyv12 (ip, dsty, dstu, dstv, w, srcSliceH, dstStride[0], dstStride[1], srcStride[0]);
return srcSliceH;
}
void ff_bfin_get_unscaled_swscale (SwsContext *c)
{
@ -63,4 +81,9 @@ void ff_bfin_get_unscaled_swscale (SwsContext *c)
av_log (NULL, AV_LOG_VERBOSE, "selecting Blackfin optimized uyvytoyv12_unscaled\n");
c->swScale = uyvytoyv12_unscaled;
}
if (c->dstFormat == PIX_FMT_YUV420P)
if (c->srcFormat == PIX_FMT_YUYV422) {
av_log (NULL, AV_LOG_VERBOSE, "selecting Blackfin optimized yuyvtoyv12_unscaled\n");
c->swScale = yuyvtoyv12_unscaled;
}
}