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colorspace: First version of YUV9 and YVU9 implementation

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This commit is contained in:
Sebastian Dröge 2010-11-03 15:12:42 +01:00
parent eccb88afb0
commit dec9b54698
2 changed files with 81 additions and 12 deletions
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75
gst/colorspace/colorspace.c
View file

@ -450,17 +450,9 @@ static void
getline_Y41B (ColorspaceConvert * convert, guint8 * dest, const guint8 * src,
int j)
{
int i;
const guint8 *srclineY = FRAME_GET_LINE (src, 0, j);
const guint8 *srclineU = FRAME_GET_LINE (src, 1, j);
const guint8 *srclineV = FRAME_GET_LINE (src, 2, j);
for (i = 0; i < convert->width; i++) {
dest[i * 4 + 0] = 0xff;
dest[i * 4 + 1] = srclineY[i];
dest[i * 4 + 2] = srclineU[i >> 2];
dest[i * 4 + 3] = srclineV[i >> 2];
}
cogorc_getline_YUV9 (dest,
FRAME_GET_LINE (src, 0, j),
FRAME_GET_LINE (src, 1, j), FRAME_GET_LINE (src, 2, j), convert->width);
}
static void
@ -917,6 +909,63 @@ putline_RGB8P (ColorspaceConvert * convert, guint8 * dest, const guint8 * src,
2]) / 47) % 6) * 6 + (((src[i * 4 + 3]) / 47) % 6));
}
}
static void
getline_YUV9 (ColorspaceConvert * convert, guint8 * dest, const guint8 * src,
int j)
{
cogorc_getline_YUV9 (dest,
FRAME_GET_LINE (src, 0, j),
FRAME_GET_LINE (src, 1, j >> 2),
FRAME_GET_LINE (src, 2, j >> 2), convert->width);
}
static void
putline_YUV9 (ColorspaceConvert * convert, guint8 * dest, const guint8 * src,
int j)
{
int i;
guint8 *destY = FRAME_GET_LINE (dest, 0, j);
guint8 *destU = FRAME_GET_LINE (dest, 1, j >> 2);
guint8 *destV = FRAME_GET_LINE (dest, 2, j >> 2);
for (i = 0; i < convert->width - 3; i += 4) {
destY[i] = src[i * 4 + 1];
destY[i + 1] = src[i * 4 + 5];
destY[i + 2] = src[i * 4 + 9];
destY[i + 3] = src[i * 4 + 13];
if (j % 4 == 0) {
destU[i >> 2] =
(src[i * 4 + 2] + src[i * 4 + 6] + src[i * 4 + 10] + src[i * 4 +
14]) >> 2;
destV[i >> 2] =
(src[i * 4 + 3] + src[i * 4 + 7] + src[i * 4 + 11] + src[i * 4 +
15]) >> 2;
}
}
if (i == convert->width - 3) {
destY[i] = src[i * 4 + 1];
destY[i + 1] = src[i * 4 + 5];
destY[i + 2] = src[i * 4 + 9];
if (j % 4 == 0) {
destU[i >> 2] = (src[i * 4 + 2] + src[i * 4 + 6] + src[i * 4 + 10]) / 3;
destV[i >> 2] = (src[i * 4 + 3] + src[i * 4 + 7] + src[i * 4 + 11]) / 3;
}
} else if (i == convert->width - 2) {
destY[i] = src[i * 4 + 1];
destY[i + 1] = src[i * 4 + 5];
if (j % 4 == 0) {
destU[i >> 2] = (src[i * 4 + 2] + src[i * 4 + 6]) >> 1;
destV[i >> 2] = (src[i * 4 + 3] + src[i * 4 + 7]) >> 1;
}
} else if (i == convert->width - 1) {
destY[i] = src[i * 4 + 1];
destU[i >> 2] = src[i * 4 + 2];
destV[i >> 2] = src[i * 4 + 3];
}
}
#endif
typedef struct
@ -964,7 +1013,9 @@ static const ColorspaceLine lines[] = {
{GST_VIDEO_FORMAT_UYVP, getline_UYVP, putline_UYVP},
{GST_VIDEO_FORMAT_A420, getline_A420, putline_A420}
#if GST_CHECK_PLUGINS_BASE_VERSION(0, 10, 32)
, {GST_VIDEO_FORMAT_RGB8_PALETTED, getline_RGB8P, putline_RGB8P}
, {GST_VIDEO_FORMAT_RGB8_PALETTED, getline_RGB8P, putline_RGB8P},
{GST_VIDEO_FORMAT_YUV9, getline_YUV9, putline_YUV9},
{GST_VIDEO_FORMAT_YVU9, getline_YUV9, putline_YUV9}, /* alias */
#endif
};

18
gst/colorspace/gstcolorspaceorc.orc
View file

@ -1326,6 +1326,24 @@ mergebw uv, tu, tv
mergebw ay, c255, y
mergewl d, ay, uv
.function cogorc_getline_YUV9
.dest 8 d guint8
.source 2 y guint8
.source 1 u guint8
.source 1 v guint8
.const 1 c255 255
.temp 2 tuv
.temp 4 ay
.temp 4 uv
.temp 1 tu
.temp 1 tv
loadupdb tu, u
loadupdb tv, v
mergebw tuv, tu, tv
mergewl uv, tuv, tuv
x2 mergebw ay, c255, y
x2 mergewl d, ay, uv
.function cogorc_getline_YUY2
.dest 8 ayuv guint8