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authorMichael Niedermayer <michaelni@gmx.at>2013-01-28 14:06:22 +0100
committerMichael Niedermayer <michaelni@gmx.at>2013-01-28 14:11:31 +0100
commitbb2f4ae434223e99f131100f4bc71762b79eb6c5 (patch)
treec852670be02a3ec5972b389a238eabcf59f04095 /libswscale/output.c
parent51e9d2dbc8f8e7aed216222a496cc7e588afa217 (diff)
parent05b0998f511ffa699407465d48c7d5805f746ad2 (diff)
Merge commit '05b0998f511ffa699407465d48c7d5805f746ad2'
* commit '05b0998f511ffa699407465d48c7d5805f746ad2': dsputil: Fix error by not using redzone and register name swscale: GBRP output support Conflicts: libswscale/output.c libswscale/swscale.c libswscale/swscale_internal.h libswscale/utils.c tests/ref/lavfi/pixdesc tests/ref/lavfi/pixfmts_copy tests/ref/lavfi/pixfmts_null tests/ref/lavfi/pixfmts_scale tests/ref/lavfi/pixfmts_vflip Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libswscale/output.c')
-rw-r--r--libswscale/output.c36
1 files changed, 21 insertions, 15 deletions
diff --git a/libswscale/output.c b/libswscale/output.c
index e49cb73f15..d1a3bee59e 100644
--- a/libswscale/output.c
+++ b/libswscale/output.c
@@ -1374,11 +1374,11 @@ YUV2RGBWRAPPERX(yuv2, rgb_full, rgb8_full, AV_PIX_FMT_RGB8, 0)
static void
yuv2gbrp_full_X_c(SwsContext *c, const int16_t *lumFilter,
- const int16_t **lumSrc, int lumFilterSize,
- const int16_t *chrFilter, const int16_t **chrUSrc,
- const int16_t **chrVSrc, int chrFilterSize,
- const int16_t **alpSrc, uint8_t **dest,
- int dstW, int y)
+ const int16_t **lumSrc, int lumFilterSize,
+ const int16_t *chrFilter, const int16_t **chrUSrc,
+ const int16_t **chrVSrc, int chrFilterSize,
+ const int16_t **alpSrc, uint8_t **dest,
+ int dstW, int y)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->dstFormat);
int i;
@@ -1388,36 +1388,42 @@ yuv2gbrp_full_X_c(SwsContext *c, const int16_t *lumFilter,
for (i = 0; i < dstW; i++) {
int j;
- int Y = 1<<9;
- int U = (1<<9)-(128 << 19);
- int V = (1<<9)-(128 << 19);
+ int Y = 1 << 9;
+ int U = (1 << 9) - (128 << 19);
+ int V = (1 << 9) - (128 << 19);
int R, G, B, A;
- for (j = 0; j < lumFilterSize; j++) {
+ for (j = 0; j < lumFilterSize; j++)
Y += lumSrc[j][i] * lumFilter[j];
- }
+
for (j = 0; j < chrFilterSize; j++) {
U += chrUSrc[j][i] * chrFilter[j];
V += chrVSrc[j][i] * chrFilter[j];
}
+
Y >>= 10;
U >>= 10;
V >>= 10;
+
if (hasAlpha) {
A = 1 << 18;
- for (j = 0; j < lumFilterSize; j++) {
+
+ for (j = 0; j < lumFilterSize; j++)
A += alpSrc[j][i] * lumFilter[j];
- }
+
A >>= 19;
+
if (A & 0x100)
A = av_clip_uint8(A);
}
+
Y -= c->yuv2rgb_y_offset;
Y *= c->yuv2rgb_y_coeff;
Y += 1 << 21;
- R = Y + V*c->yuv2rgb_v2r_coeff;
- G = Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;
- B = Y + U*c->yuv2rgb_u2b_coeff;
+ R = Y + V * c->yuv2rgb_v2r_coeff;
+ G = Y + V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
+ B = Y + U * c->yuv2rgb_u2b_coeff;
+
if ((R | G | B) & 0xC0000000) {
R = av_clip_uintp2(R, 30);
G = av_clip_uintp2(G, 30);