Revision 8a322796 libswscale/rgb2rgb.c
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/* |
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* rgb2rgb.c, Software RGB to RGB convertor
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* pluralize by Software PAL8 to RGB convertor
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* Software YUV to YUV convertor
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* Software YUV to RGB convertor
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* Written by Nick Kurshev.
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* palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at)
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* software RGB to RGB converter
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* pluralize by software PAL8 to RGB converter
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* software YUV to YUV converter
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* software YUV to RGB converter
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* Written by Nick Kurshev. |
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* palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at) |
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* |
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* This file is part of FFmpeg. |
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* |
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* along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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* |
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* the C code (not assembly, mmx, ...) of this file can be used
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* under the LGPL license too
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* The C code (not assembly, MMX, ...) of this file can be used
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* under the LGPL license.
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*/ |
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#include <inttypes.h> |
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#include "config.h" |
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#include "swscale.h" |
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#include "swscale_internal.h" |
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#define FAST_BGR2YV12 // use 7 bit coeffs instead of 15bit
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#define FAST_BGR2YV12 // use 7-bit instead of 15-bit coefficients
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void (*rgb24to32)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*rgb24to16)(const uint8_t *src, uint8_t *dst, long src_size); |
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#define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5)) |
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//Note: we have C, MMX, MMX2, 3DNOW version therse no 3DNOW+MMX2 one
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//Plain C versions
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//Note: We have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW + MMX2 one.
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//plain C versions
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#undef HAVE_MMX |
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#undef HAVE_MMX2 |
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#undef HAVE_3DNOW |
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#endif //ARCH_X86 || ARCH_X86_64 |
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/* |
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rgb15->rgb16 Original by Strepto/Astral
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RGB15->RGB16 original by Strepto/Astral
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ported to gcc & bugfixed : A'rpi |
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MMX2, 3DNOW optimization by Nick Kurshev |
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32bit c version, and and&add trick by Michael Niedermayer
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32-bit C version, and and&add trick by Michael Niedermayer
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*/ |
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void sws_rgb2rgb_init(int flags){
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{
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long i; |
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/* |
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writes 1 byte o much and might cause alignment issues on some architectures?
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Writes 1 byte too much and might cause alignment issues on some architectures?
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for (i=0; i<num_pixels; i++) |
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((unsigned *)(&dst[i*3])) = ((unsigned *)palette)[src[i]]; |
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*/ |
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{
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long i; |
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/* |
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writes 1 byte o much and might cause alignment issues on some architectures?
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Writes 1 byte too much and might cause alignment issues on some architectures?
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for (i=0; i<num_pixels; i++) |
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((unsigned *)(&dst[i*3])) = ((unsigned *)palette)[src[i]]; |
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*/ |
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} |
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/** |
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* Palette is assumed to contain bgr16, see rgb32to16 to convert the palette
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* Palette is assumed to contain BGR16, see rgb32to16 to convert the palette.
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*/ |
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void palette8torgb16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) |
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{
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