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| author | Michael Niedermayer <michaelni@gmx.at> | 2011-10-08 23:07:05 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-10-09 02:04:54 +0200 |
| commit | cca81e7eb0e9e88fe652334038cc17a4cb92f78b (patch) | |
| tree | 61f50d3d915e66d06598090ec22f57c161ac192b /libswscale/swscale.c | |
| parent | 085ea85c2ebdc293c54158d26f0ecb86ceefbcc9 (diff) | |
| download | ffmpeg-cca81e7eb0e9e88fe652334038cc17a4cb92f78b.tar.gz | |
sws: gbr24p input support
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libswscale/swscale.c')
| -rw-r--r-- | libswscale/swscale.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c index b81503f6a8..31346a3521 100644 --- a/libswscale/swscale.c +++ b/libswscale/swscale.c @@ -1769,6 +1769,49 @@ rgb16_32_wrapper(PIX_FMT_BGR555BE, bgr15be, 0, 0, 0, 0, 0x001F, 0x03E0, 0x7 rgb16_32_wrapper(PIX_FMT_RGB565BE, rgb16be, 0, 0, 0, 0, 0xF800, 0x07E0, 0x001F, 0, 5, 11, RGB2YUV_SHIFT+8); rgb16_32_wrapper(PIX_FMT_RGB555BE, rgb15be, 0, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, 0, 5, 10, RGB2YUV_SHIFT+7); +static void gbr24pToY_c(uint16_t *dst, const uint8_t *gsrc, const uint8_t *bsrc, const uint8_t *rsrc, + int width, uint32_t *unused) +{ + int i; + for (i = 0; i < width; i++) { + unsigned int g = gsrc[i]; + unsigned int b = bsrc[i]; + unsigned int r = rsrc[i]; + + dst[i] = (RY*r + GY*g + BY*b + (0x801<<(RGB2YUV_SHIFT-7))) >> (RGB2YUV_SHIFT-6); + } +} + +static void gbr24pToUV_c(uint16_t *dstU, uint16_t *dstV, + const uint8_t *gsrc, const uint8_t *bsrc, const uint8_t *rsrc, + int width, enum PixelFormat origin) +{ + int i; + for (i = 0; i < width; i++) { + unsigned int g = gsrc[i]; + unsigned int b = bsrc[i]; + unsigned int r = rsrc[i]; + + dstU[i] = (RU*r + GU*g + BU*b + (0x4001<<(RGB2YUV_SHIFT-7))) >> (RGB2YUV_SHIFT-6); + dstV[i] = (RV*r + GV*g + BV*b + (0x4001<<(RGB2YUV_SHIFT-7))) >> (RGB2YUV_SHIFT-6); + } +} + +static void gbr24pToUV_half_c(uint16_t *dstU, uint16_t *dstV, + const uint8_t *gsrc, const uint8_t *bsrc, const uint8_t *rsrc, + int width, enum PixelFormat origin) +{ + int i; + for (i = 0; i < width; i++) { + unsigned int g = gsrc[2*i] + gsrc[2*i+1]; + unsigned int b = bsrc[2*i] + bsrc[2*i+1]; + unsigned int r = rsrc[2*i] + rsrc[2*i+1]; + + dstU[i] = (RU*r + GU*g + BU*b + (0x4001<<(RGB2YUV_SHIFT-6))) >> (RGB2YUV_SHIFT-6+1); + dstV[i] = (RV*r + GV*g + BV*b + (0x4001<<(RGB2YUV_SHIFT-6))) >> (RGB2YUV_SHIFT-6+1); + } +} + static void abgrToA_c(int16_t *dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, int width, uint32_t *unused) { int i; @@ -2838,6 +2881,7 @@ static av_cold void sws_init_swScale_c(SwsContext *c) case PIX_FMT_RGB565BE: c->chrToYV12 = rgb16beToUV_half_c; break; case PIX_FMT_RGB555LE: c->chrToYV12 = rgb15leToUV_half_c; break; case PIX_FMT_RGB555BE: c->chrToYV12 = rgb15beToUV_half_c; break; + case PIX_FMT_GBR24P : c->chrToYV12 = gbr24pToUV_half_c; break; } } else { switch(srcFormat) { @@ -2859,6 +2903,7 @@ static av_cold void sws_init_swScale_c(SwsContext *c) case PIX_FMT_RGB565BE: c->chrToYV12 = rgb16beToUV_c; break; case PIX_FMT_RGB555LE: c->chrToYV12 = rgb15leToUV_c; break; case PIX_FMT_RGB555BE: c->chrToYV12 = rgb15beToUV_c; break; + case PIX_FMT_GBR24P : c->chrToYV12 = gbr24pToUV_c; break; } } @@ -2914,6 +2959,7 @@ static av_cold void sws_init_swScale_c(SwsContext *c) case PIX_FMT_RGB48LE: c->lumToYV12 = rgb48LEToY_c; break; case PIX_FMT_BGR48BE: c->lumToYV12 = bgr48BEToY_c; break; case PIX_FMT_BGR48LE: c->lumToYV12 = bgr48LEToY_c; break; + case PIX_FMT_GBR24P : c->lumToYV12 = gbr24pToY_c ; break; } if (c->alpPixBuf) { switch (srcFormat) { |