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authorMichael Niedermayer <michaelni@gmx.at>2013-01-25 21:51:25 +0100
committerMichael Niedermayer <michaelni@gmx.at>2013-01-26 06:11:52 +0100
commit61884d19852163f5a4cdf993722b1c290f270300 (patch)
tree8e44b5c49cf70808d23f99ca18349af84c3cce83 /libswscale/output.c
parentc8f25cafd2f23662bcb1e62965c0c42d6989688a (diff)
sws: GBRP output support
Reviewed-by: Derek Buitenhuis <derek.buitenhuis@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libswscale/output.c')
-rw-r--r--libswscale/output.c63
1 files changed, 61 insertions, 2 deletions
diff --git a/libswscale/output.c b/libswscale/output.c
index d185dfc34e..30217c7b63 100644
--- a/libswscale/output.c
+++ b/libswscale/output.c
@@ -1372,13 +1372,69 @@ YUV2RGBWRAPPERX(yuv2, rgb_full, rgb4_byte_full, AV_PIX_FMT_RGB4_BYTE, 0)
YUV2RGBWRAPPERX(yuv2, rgb_full, bgr8_full, AV_PIX_FMT_BGR8, 0)
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)
+{
+ int i;
+ int hasAlpha = 0;
+
+ 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 R, G, B, A;
+
+ 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++) {
+ 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;
+ if ((R | G | B) & 0xC0000000) {
+ R = av_clip_uintp2(R, 30);
+ G = av_clip_uintp2(G, 30);
+ B = av_clip_uintp2(B, 30);
+ }
+
+ dest[0][i] = G >> 22;
+ dest[1][i] = B >> 22;
+ dest[2][i] = R >> 22;
+ }
+}
+
av_cold void ff_sws_init_output_funcs(SwsContext *c,
yuv2planar1_fn *yuv2plane1,
yuv2planarX_fn *yuv2planeX,
yuv2interleavedX_fn *yuv2nv12cX,
yuv2packed1_fn *yuv2packed1,
yuv2packed2_fn *yuv2packed2,
- yuv2packedX_fn *yuv2packedX)
+ yuv2packedX_fn *yuv2packedX,
+ yuv2anyX_fn *yuv2anyX)
{
enum AVPixelFormat dstFormat = c->dstFormat;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(dstFormat);
@@ -1484,8 +1540,11 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
case AV_PIX_FMT_RGB8:
*yuv2packedX = yuv2rgb8_full_X_c;
break;
+ case AV_PIX_FMT_GBRP:
+ *yuv2anyX = yuv2gbrp_full_X_c;
+ break;
}
- if(!*yuv2packedX)
+ if (!*yuv2packedX && !*yuv2anyX)
goto YUV_PACKED;
} else {
YUV_PACKED: