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[MOVED FROM BAD 40/68] colorspace: Add support for Y41B

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Sebastian Dröge 2010-10-31 23:00:07 +01:00 committed by Wim Taymans
parent b026b621a4
commit 395640e0e6
1 changed files with 64 additions and 1 deletions
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65
gst/colorspace/colorspace.c
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@ -412,6 +412,69 @@ putline_v216 (ColorspaceConvert * convert, guint8 * dest, const guint8 * src,
}
}
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];
}
}
static void
putline_Y41B (ColorspaceConvert * convert, guint8 * dest, const guint8 * src,
int j)
{
int i;
guint8 *destlineY = FRAME_GET_LINE (dest, 0, j);
guint8 *destlineU = FRAME_GET_LINE (dest, 1, j);
guint8 *destlineV = FRAME_GET_LINE (dest, 2, j);
for (i = 0; i < convert->width - 3; i += 4) {
destlineY[i] = src[i * 4 + 1];
destlineY[i + 1] = src[i * 4 + 5];
destlineY[i + 2] = src[i * 4 + 9];
destlineY[i + 3] = src[i * 4 + 13];
destlineU[i >> 2] =
(src[i * 4 + 2] + src[i * 4 + 6] + src[i * 4 + 10] + src[i * 4 + 14] +
2) >> 2;
destlineV[i >> 2] =
(src[i * 4 + 3] + src[i * 4 + 7] + src[i * 4 + 11] + src[i * 4 + 15] +
2) >> 2;
}
if (i == convert->width - 3) {
destlineY[i] = src[i * 4 + 1];
destlineY[i + 1] = src[i * 4 + 5];
destlineY[i + 2] = src[i * 4 + 9];
destlineU[i >> 2] =
(src[i * 4 + 2] + src[i * 4 + 6] + src[i * 4 + 10] + 1) / 3;
destlineV[i >> 2] =
(src[i * 4 + 3] + src[i * 4 + 7] + src[i * 4 + 11] + 1) / 3;
} else if (i == convert->width - 2) {
destlineY[i] = src[i * 4 + 1];
destlineY[i + 1] = src[i * 4 + 5];
destlineU[i >> 2] = (src[i * 4 + 2] + src[i * 4 + 6] + 1) >> 1;
destlineV[i >> 2] = (src[i * 4 + 3] + src[i * 4 + 7] + 1) >> 1;
} else if (i == convert->width - 1) {
destlineY[i + 1] = src[i * 4 + 5];
destlineU[i >> 2] = src[i * 4 + 2];
destlineV[i >> 2] = src[i * 4 + 3];
}
}
static void
getline_Y42B (ColorspaceConvert * convert, guint8 * dest, const guint8 * src,
int j)
@ -668,7 +731,7 @@ static const ColorspaceLine lines[] = {
{GST_VIDEO_FORMAT_ABGR, getline_ABGR, putline_ABGR},
{GST_VIDEO_FORMAT_RGB, getline_RGB, putline_RGB},
{GST_VIDEO_FORMAT_BGR, getline_BGR, putline_BGR},
//{GST_VIDEO_FORMAT_Y41B, getline_Y41B, putline_Y41B},
{GST_VIDEO_FORMAT_Y41B, getline_Y41B, putline_Y41B},
{GST_VIDEO_FORMAT_Y42B, getline_Y42B, putline_Y42B},
{GST_VIDEO_FORMAT_YVYU, getline_YVYU, putline_YVYU},
{GST_VIDEO_FORMAT_Y444, getline_Y444, putline_Y444},