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author | Luca Abeni <lucabe72@email.it> | 2004-11-24 22:54:16 +0000 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2004-11-24 22:54:16 +0000 |
commit | bac651654539a023af29c7aea6674d4094eea4fe (patch) | |
tree | b3f4f0cc401c39a6208d4fe912c457b2d6d6065d | |
parent | 7d7f635dc000ceb8a3862b3bc08590656e7a9719 (diff) | |
download | ffmpeg-bac651654539a023af29c7aea6674d4094eea4fe.tar.gz |
YUV420P to UYVY422 conversion patch by (Luca Abeni <lucabe72 >< email >< it>)
Originally committed as revision 3710 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r-- | libavcodec/imgconvert.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c index a22fd889b2..33c01a68f4 100644 --- a/libavcodec/imgconvert.c +++ b/libavcodec/imgconvert.c @@ -955,6 +955,39 @@ static void yuv420p_to_yuv422(AVPicture *dst, const AVPicture *src, } } +static void yuv420p_to_uyvy422(AVPicture *dst, const AVPicture *src, + int width, int height) +{ + int w, h; + uint8_t *line1, *line2, *linesrc = dst->data[0]; + uint8_t *lum1, *lum2, *lumsrc = src->data[0]; + uint8_t *cb1, *cb2 = src->data[1]; + uint8_t *cr1, *cr2 = src->data[2]; + + for(h = height / 2; h--;) { + line1 = linesrc; + line2 = linesrc + dst->linesize[0]; + + lum1 = lumsrc; + lum2 = lumsrc + src->linesize[0]; + + cb1 = cb2; + cr1 = cr2; + + for(w = width / 2; w--;) { + *line1++ = *line2++ = *cb1++; + *line1++ = *lum1++; *line2++ = *lum2++; + *line1++ = *line2++ = *cr1++; + *line1++ = *lum1++; *line2++ = *lum2++; + } + + linesrc += dst->linesize[0] * 2; + lumsrc += src->linesize[0] * 2; + cb2 += src->linesize[1]; + cr2 += src->linesize[2]; + } +} + #define SCALEBITS 10 #define ONE_HALF (1 << (SCALEBITS - 1)) #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5)) @@ -1682,6 +1715,9 @@ static ConvertEntry convert_table[PIX_FMT_NB][PIX_FMT_NB] = { [PIX_FMT_RGBA32] = { .convert = yuv420p_to_rgba32 }, + [PIX_FMT_UYVY422] = { + .convert = yuv420p_to_uyvy422, + }, }, [PIX_FMT_YUV422P] = { [PIX_FMT_YUV422] = { |