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author | Marc Hoffman <mmhoffm@gmail.com> | 2007-07-20 00:11:38 +0000 |
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committer | Marc Hoffman <mmhoffm@gmail.com> | 2007-07-20 00:11:38 +0000 |
commit | 7889f52890f7562de96a5b5ccf208832bb05f128 (patch) | |
tree | 55e564859e894cad117d0810044201560023dba4 /libswscale | |
parent | b41c9046cc0125e16ed8d22a608bbb936500d2bc (diff) | |
download | ffmpeg-streaming-7889f52890f7562de96a5b5ccf208832bb05f128.zip ffmpeg-streaming-7889f52890f7562de96a5b5ccf208832bb05f128.tar.gz |
integrating blackfin optimized yuyvtoyv12 converter
Originally committed as revision 23833 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
Diffstat (limited to 'libswscale')
-rw-r--r-- | libswscale/swscale_bfin.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/libswscale/swscale_bfin.c b/libswscale/swscale_bfin.c index bff8f0b..763a005 100644 --- a/libswscale/swscale_bfin.c +++ b/libswscale/swscale_bfin.c @@ -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; + } } |