[SCM] libav/experimental: YUV420P to UYVY422 conversion patch by (Luca Abeni <lucabe72 >< email >< it>)
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 15:42:17 UTC 2013
The following commit has been merged in the experimental branch:
commit bac651654539a023af29c7aea6674d4094eea4fe
Author: Luca Abeni <lucabe72 at email.it>
Date: Wed Nov 24 22:54:16 2004 +0000
YUV420P to UYVY422 conversion patch by (Luca Abeni <lucabe72 >< email >< it>)
Originally committed as revision 3710 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index a22fd88..33c01a6 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] = {
--
Libav/FFmpeg packaging
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