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https://mirror.skon.top/https://github.com/FFmpeg/FFmpeg
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862338fe31
yuy2toyv12, vu9_to_vu12 and yvu9_to_yuy2 are unused. Removing them saved 7808B of .text and 102B of .text.unlikely as well as 24B of .bss here. Thanks to James Almer for pointing out that yuy2toyv12 is unused. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
874 lines
28 KiB
C
874 lines
28 KiB
C
/*
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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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* lot of big-endian byte order fixes by Alex Beregszaszi
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License 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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#include <stddef.h>
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#include "libavutil/attributes.h"
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static inline void rgb24tobgr32_c(const uint8_t *src, uint8_t *dst,
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int src_size)
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{
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uint8_t *dest = dst;
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const uint8_t *s = src;
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const uint8_t *end = s + src_size;
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while (s < end) {
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#if HAVE_BIGENDIAN
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/* RGB24 (= R, G, B) -> RGB32 (= A, B, G, R) */
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*dest++ = 255;
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*dest++ = s[2];
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*dest++ = s[1];
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*dest++ = s[0];
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s += 3;
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#else
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*dest++ = *s++;
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*dest++ = *s++;
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*dest++ = *s++;
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*dest++ = 255;
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#endif
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}
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}
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static inline void rgb32tobgr24_c(const uint8_t *src, uint8_t *dst,
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int src_size)
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{
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uint8_t *dest = dst;
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const uint8_t *s = src;
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const uint8_t *end = s + src_size;
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while (s < end) {
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#if HAVE_BIGENDIAN
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/* RGB32 (= A, B, G, R) -> RGB24 (= R, G, B) */
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s++;
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dest[2] = *s++;
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dest[1] = *s++;
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dest[0] = *s++;
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dest += 3;
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#else
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*dest++ = *s++;
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*dest++ = *s++;
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*dest++ = *s++;
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s++;
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#endif
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}
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}
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/*
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* original by Strepto/Astral
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* ported to gcc & bugfixed: A'rpi
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* MMXEXT, 3DNOW optimization by Nick Kurshev
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* 32-bit C version, and and&add trick by Michael Niedermayer
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*/
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static inline void rgb15to16_c(const uint8_t *src, uint8_t *dst, int src_size)
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{
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register uint8_t *d = dst;
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register const uint8_t *s = src;
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register const uint8_t *end = s + src_size;
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const uint8_t *mm_end = end - 3;
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while (s < mm_end) {
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register unsigned x = *((const uint32_t *)s);
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*((uint32_t *)d) = (x & 0x7FFF7FFF) + (x & 0x7FE07FE0);
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d += 4;
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s += 4;
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}
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if (s < end) {
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register unsigned short x = *((const uint16_t *)s);
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*((uint16_t *)d) = (x & 0x7FFF) + (x & 0x7FE0);
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}
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}
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static inline void rgb16to15_c(const uint8_t *src, uint8_t *dst, int src_size)
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{
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register uint8_t *d = dst;
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register const uint8_t *s = src;
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register const uint8_t *end = s + src_size;
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const uint8_t *mm_end = end - 3;
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while (s < mm_end) {
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register uint32_t x = *((const uint32_t *)s);
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*((uint32_t *)d) = ((x >> 1) & 0x7FE07FE0) | (x & 0x001F001F);
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s += 4;
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d += 4;
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}
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if (s < end) {
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register uint16_t x = *((const uint16_t *)s);
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*((uint16_t *)d) = ((x >> 1) & 0x7FE0) | (x & 0x001F);
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}
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}
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static inline void rgb32to16_c(const uint8_t *src, uint8_t *dst, int src_size)
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{
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uint16_t *d = (uint16_t *)dst;
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const uint8_t *s = src;
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const uint8_t *end = s + src_size;
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while (s < end) {
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register int rgb = *(const uint32_t *)s;
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s += 4;
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*d++ = ((rgb & 0xFF) >> 3) +
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((rgb & 0xFC00) >> 5) +
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((rgb & 0xF80000) >> 8);
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}
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}
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static inline void rgb32tobgr16_c(const uint8_t *src, uint8_t *dst,
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int src_size)
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{
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uint16_t *d = (uint16_t *)dst;
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const uint8_t *s = src;
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const uint8_t *end = s + src_size;
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while (s < end) {
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register int rgb = *(const uint32_t *)s;
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s += 4;
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*d++ = ((rgb & 0xF8) << 8) +
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((rgb & 0xFC00) >> 5) +
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((rgb & 0xF80000) >> 19);
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}
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}
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static inline void rgb32to15_c(const uint8_t *src, uint8_t *dst, int src_size)
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{
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uint16_t *d = (uint16_t *)dst;
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const uint8_t *s = src;
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const uint8_t *end = s + src_size;
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while (s < end) {
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register int rgb = *(const uint32_t *)s;
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s += 4;
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*d++ = ((rgb & 0xFF) >> 3) +
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((rgb & 0xF800) >> 6) +
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((rgb & 0xF80000) >> 9);
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}
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}
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static inline void rgb32tobgr15_c(const uint8_t *src, uint8_t *dst,
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int src_size)
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{
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uint16_t *d = (uint16_t *)dst;
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const uint8_t *s = src;
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const uint8_t *end = s + src_size;
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while (s < end) {
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register int rgb = *(const uint32_t *)s;
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s += 4;
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*d++ = ((rgb & 0xF8) << 7) +
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((rgb & 0xF800) >> 6) +
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((rgb & 0xF80000) >> 19);
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}
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}
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static inline void rgb24tobgr16_c(const uint8_t *src, uint8_t *dst,
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int src_size)
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{
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uint16_t *d = (uint16_t *)dst;
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const uint8_t *s = src;
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const uint8_t *end = s + src_size;
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while (s < end) {
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const int b = *s++;
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const int g = *s++;
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const int r = *s++;
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*d++ = (b >> 3) | ((g & 0xFC) << 3) | ((r & 0xF8) << 8);
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}
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}
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static inline void rgb24to16_c(const uint8_t *src, uint8_t *dst, int src_size)
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{
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uint16_t *d = (uint16_t *)dst;
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const uint8_t *s = src;
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const uint8_t *end = s + src_size;
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while (s < end) {
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const int r = *s++;
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const int g = *s++;
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const int b = *s++;
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*d++ = (b >> 3) | ((g & 0xFC) << 3) | ((r & 0xF8) << 8);
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}
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}
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static inline void rgb24tobgr15_c(const uint8_t *src, uint8_t *dst,
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int src_size)
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{
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uint16_t *d = (uint16_t *)dst;
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const uint8_t *s = src;
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const uint8_t *end = s + src_size;
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while (s < end) {
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const int b = *s++;
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const int g = *s++;
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const int r = *s++;
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*d++ = (b >> 3) | ((g & 0xF8) << 2) | ((r & 0xF8) << 7);
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}
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}
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static inline void rgb24to15_c(const uint8_t *src, uint8_t *dst, int src_size)
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{
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uint16_t *d = (uint16_t *)dst;
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const uint8_t *s = src;
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const uint8_t *end = s + src_size;
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while (s < end) {
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const int r = *s++;
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const int g = *s++;
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const int b = *s++;
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*d++ = (b >> 3) | ((g & 0xF8) << 2) | ((r & 0xF8) << 7);
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}
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}
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static inline void rgb15tobgr24_c(const uint8_t *src, uint8_t *dst,
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int src_size)
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{
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uint8_t *d = dst;
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const uint16_t *s = (const uint16_t *)src;
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const uint16_t *end = s + src_size / 2;
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while (s < end) {
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register uint16_t bgr = *s++;
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*d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
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*d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
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*d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
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}
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}
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static inline void rgb16tobgr24_c(const uint8_t *src, uint8_t *dst,
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int src_size)
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{
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uint8_t *d = (uint8_t *)dst;
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const uint16_t *s = (const uint16_t *)src;
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const uint16_t *end = s + src_size / 2;
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while (s < end) {
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register uint16_t bgr = *s++;
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*d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
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*d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
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*d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
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}
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}
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static inline void rgb15to32_c(const uint8_t *src, uint8_t *dst, int src_size)
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{
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uint8_t *d = dst;
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const uint16_t *s = (const uint16_t *)src;
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const uint16_t *end = s + src_size / 2;
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while (s < end) {
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register uint16_t bgr = *s++;
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#if HAVE_BIGENDIAN
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*d++ = 255;
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*d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
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*d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
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*d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
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#else
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*d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
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*d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
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*d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
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*d++ = 255;
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#endif
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}
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}
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static inline void rgb16to32_c(const uint8_t *src, uint8_t *dst, int src_size)
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{
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uint8_t *d = dst;
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const uint16_t *s = (const uint16_t *)src;
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const uint16_t *end = s + src_size / 2;
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while (s < end) {
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register uint16_t bgr = *s++;
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#if HAVE_BIGENDIAN
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*d++ = 255;
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*d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
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*d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
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*d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
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#else
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*d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
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*d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
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*d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
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*d++ = 255;
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#endif
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}
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}
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static inline void shuffle_bytes_2103_c(const uint8_t *src, uint8_t *dst,
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int src_size)
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{
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int idx = 15 - src_size;
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const uint8_t *s = src - idx;
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uint8_t *d = dst - idx;
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for (; idx < 15; idx += 4) {
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register unsigned v = *(const uint32_t *)&s[idx], g = v & 0xff00ff00;
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v &= 0xff00ff;
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*(uint32_t *)&d[idx] = (v >> 16) + g + (v << 16);
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}
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}
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static inline void shuffle_bytes_0321_c(const uint8_t *src, uint8_t *dst,
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int src_size)
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{
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int idx = 15 - src_size;
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const uint8_t *s = src - idx;
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uint8_t *d = dst - idx;
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for (; idx < 15; idx += 4) {
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register unsigned v = *(const uint32_t *)&s[idx], g = v & 0x00ff00ff;
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v &= 0xff00ff00;
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*(uint32_t *)&d[idx] = (v >> 16) + g + (v << 16);
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}
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}
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#define DEFINE_SHUFFLE_BYTES(name, a, b, c, d) \
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static void shuffle_bytes_##name (const uint8_t *src, \
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uint8_t *dst, int src_size) \
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{ \
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int i; \
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\
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for (i = 0; i < src_size; i += 4) { \
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dst[i + 0] = src[i + a]; \
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dst[i + 1] = src[i + b]; \
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dst[i + 2] = src[i + c]; \
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dst[i + 3] = src[i + d]; \
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} \
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}
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DEFINE_SHUFFLE_BYTES(1230_c, 1, 2, 3, 0)
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DEFINE_SHUFFLE_BYTES(3012_c, 3, 0, 1, 2)
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DEFINE_SHUFFLE_BYTES(3210_c, 3, 2, 1, 0)
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DEFINE_SHUFFLE_BYTES(3102_c, 3, 1, 0, 2)
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DEFINE_SHUFFLE_BYTES(2013_c, 2, 0, 1, 3)
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DEFINE_SHUFFLE_BYTES(2130_c, 2, 1, 3, 0)
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DEFINE_SHUFFLE_BYTES(1203_c, 1, 2, 0, 3)
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static inline void rgb24tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
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{
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unsigned i;
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for (i = 0; i < src_size; i += 3) {
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register uint8_t x = src[i + 2];
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dst[i + 1] = src[i + 1];
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dst[i + 2] = src[i + 0];
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dst[i + 0] = x;
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}
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}
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static inline void yuvPlanartoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
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const uint8_t *vsrc, uint8_t *dst,
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int width, int height,
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int lumStride, int chromStride,
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int dstStride, int vertLumPerChroma)
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{
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int y, i;
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const int chromWidth = width >> 1;
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for (y = 0; y < height; y++) {
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#if HAVE_FAST_64BIT
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uint64_t *ldst = (uint64_t *)dst;
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const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
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for (i = 0; i < chromWidth; i += 2) {
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uint64_t k = yc[0] + (uc[0] << 8) +
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(yc[1] << 16) + ((unsigned) vc[0] << 24);
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uint64_t l = yc[2] + (uc[1] << 8) +
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(yc[3] << 16) + ((unsigned) vc[1] << 24);
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*ldst++ = k + (l << 32);
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yc += 4;
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uc += 2;
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vc += 2;
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}
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#else
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int *idst = (int32_t *)dst;
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const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
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for (i = 0; i < chromWidth; i++) {
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#if HAVE_BIGENDIAN
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*idst++ = (yc[0] << 24) + (uc[0] << 16) +
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(yc[1] << 8) + (vc[0] << 0);
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#else
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*idst++ = yc[0] + (uc[0] << 8) +
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(yc[1] << 16) + (vc[0] << 24);
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#endif
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yc += 2;
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uc++;
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vc++;
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}
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#endif
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if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) {
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usrc += chromStride;
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vsrc += chromStride;
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}
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ysrc += lumStride;
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dst += dstStride;
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}
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}
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/**
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* Height should be a multiple of 2 and width should be a multiple of 16.
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* (If this is a problem for anyone then tell me, and I will fix it.)
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*/
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static inline void yv12toyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
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const uint8_t *vsrc, uint8_t *dst,
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int width, int height, int lumStride,
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int chromStride, int dstStride)
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{
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//FIXME interpolate chroma
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yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
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chromStride, dstStride, 2);
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}
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static inline void yuvPlanartouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
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const uint8_t *vsrc, uint8_t *dst,
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int width, int height,
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int lumStride, int chromStride,
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int dstStride, int vertLumPerChroma)
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{
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int y, i;
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const int chromWidth = width >> 1;
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|
|
for (y = 0; y < height; y++) {
|
|
#if HAVE_FAST_64BIT
|
|
uint64_t *ldst = (uint64_t *)dst;
|
|
const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
|
|
for (i = 0; i < chromWidth; i += 2) {
|
|
uint64_t k = uc[0] + (yc[0] << 8) +
|
|
(vc[0] << 16) + ((unsigned) yc[1] << 24);
|
|
uint64_t l = uc[1] + (yc[2] << 8) +
|
|
(vc[1] << 16) + ((unsigned) yc[3] << 24);
|
|
*ldst++ = k + (l << 32);
|
|
yc += 4;
|
|
uc += 2;
|
|
vc += 2;
|
|
}
|
|
|
|
#else
|
|
int *idst = (int32_t *)dst;
|
|
const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
|
|
|
|
for (i = 0; i < chromWidth; i++) {
|
|
#if HAVE_BIGENDIAN
|
|
*idst++ = ((unsigned)uc[0] << 24) + (yc[0] << 16) +
|
|
(vc[0] << 8) + (yc[1] << 0);
|
|
#else
|
|
*idst++ = uc[0] + (yc[0] << 8) +
|
|
(vc[0] << 16) + ((unsigned)yc[1] << 24);
|
|
#endif
|
|
yc += 2;
|
|
uc++;
|
|
vc++;
|
|
}
|
|
#endif
|
|
if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) {
|
|
usrc += chromStride;
|
|
vsrc += chromStride;
|
|
}
|
|
ysrc += lumStride;
|
|
dst += dstStride;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Height should be a multiple of 2 and width should be a multiple of 16
|
|
* (If this is a problem for anyone then tell me, and I will fix it.)
|
|
*/
|
|
static inline void yv12touyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
|
|
const uint8_t *vsrc, uint8_t *dst,
|
|
int width, int height, int lumStride,
|
|
int chromStride, int dstStride)
|
|
{
|
|
//FIXME interpolate chroma
|
|
yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
|
|
chromStride, dstStride, 2);
|
|
}
|
|
|
|
/**
|
|
* Width should be a multiple of 16.
|
|
*/
|
|
static inline void yuv422ptouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
|
|
const uint8_t *vsrc, uint8_t *dst,
|
|
int width, int height, int lumStride,
|
|
int chromStride, int dstStride)
|
|
{
|
|
yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
|
|
chromStride, dstStride, 1);
|
|
}
|
|
|
|
/**
|
|
* Width should be a multiple of 16.
|
|
*/
|
|
static inline void yuv422ptoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
|
|
const uint8_t *vsrc, uint8_t *dst,
|
|
int width, int height, int lumStride,
|
|
int chromStride, int dstStride)
|
|
{
|
|
yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
|
|
chromStride, dstStride, 1);
|
|
}
|
|
|
|
static inline void planar2x_c(const uint8_t *src, uint8_t *dst, int srcWidth,
|
|
int srcHeight, int srcStride, int dstStride)
|
|
{
|
|
int x, y;
|
|
|
|
dst[0] = src[0];
|
|
|
|
// first line
|
|
for (x = 0; x < srcWidth - 1; x++) {
|
|
dst[2 * x + 1] = (3 * src[x] + src[x + 1]) >> 2;
|
|
dst[2 * x + 2] = (src[x] + 3 * src[x + 1]) >> 2;
|
|
}
|
|
dst[2 * srcWidth - 1] = src[srcWidth - 1];
|
|
|
|
dst += dstStride;
|
|
|
|
for (y = 1; y < srcHeight; y++) {
|
|
const int mmxSize = 1;
|
|
|
|
dst[0] = (src[0] * 3 + src[srcStride]) >> 2;
|
|
dst[dstStride] = (src[0] + 3 * src[srcStride]) >> 2;
|
|
|
|
for (x = mmxSize - 1; x < srcWidth - 1; x++) {
|
|
dst[2 * x + 1] = (src[x + 0] * 3 + src[x + srcStride + 1]) >> 2;
|
|
dst[2 * x + dstStride + 2] = (src[x + 0] + 3 * src[x + srcStride + 1]) >> 2;
|
|
dst[2 * x + dstStride + 1] = (src[x + 1] + 3 * src[x + srcStride]) >> 2;
|
|
dst[2 * x + 2] = (src[x + 1] * 3 + src[x + srcStride]) >> 2;
|
|
}
|
|
dst[srcWidth * 2 - 1] = (src[srcWidth - 1] * 3 + src[srcWidth - 1 + srcStride]) >> 2;
|
|
dst[srcWidth * 2 - 1 + dstStride] = (src[srcWidth - 1] + 3 * src[srcWidth - 1 + srcStride]) >> 2;
|
|
|
|
dst += dstStride * 2;
|
|
src += srcStride;
|
|
}
|
|
|
|
// last line
|
|
dst[0] = src[0];
|
|
|
|
for (x = 0; x < srcWidth - 1; x++) {
|
|
dst[2 * x + 1] = (src[x] * 3 + src[x + 1]) >> 2;
|
|
dst[2 * x + 2] = (src[x] + 3 * src[x + 1]) >> 2;
|
|
}
|
|
dst[2 * srcWidth - 1] = src[srcWidth - 1];
|
|
}
|
|
|
|
/**
|
|
* width should be a multiple of 2.
|
|
* (If this is a problem for anyone then tell me, and I will fix it.)
|
|
*/
|
|
void ff_rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
|
|
uint8_t *vdst, int width, int height, int lumStride,
|
|
int chromStride, int srcStride, const int32_t *rgb2yuv)
|
|
{
|
|
int32_t ry = rgb2yuv[RY_IDX], gy = rgb2yuv[GY_IDX], by = rgb2yuv[BY_IDX];
|
|
int32_t ru = rgb2yuv[RU_IDX], gu = rgb2yuv[GU_IDX], bu = rgb2yuv[BU_IDX];
|
|
int32_t rv = rgb2yuv[RV_IDX], gv = rgb2yuv[GV_IDX], bv = rgb2yuv[BV_IDX];
|
|
int y;
|
|
const int chromWidth = width >> 1;
|
|
const uint8_t *src1 = src;
|
|
const uint8_t *src2 = src1 + srcStride;
|
|
uint8_t *ydst1 = ydst;
|
|
uint8_t *ydst2 = ydst + lumStride;
|
|
|
|
for (y = 0; y < height; y += 2) {
|
|
int i;
|
|
if (y + 1 == height) {
|
|
ydst2 = ydst1;
|
|
src2 = src1;
|
|
}
|
|
|
|
for (i = 0; i < chromWidth; i++) {
|
|
unsigned int b11 = src1[6 * i + 0];
|
|
unsigned int g11 = src1[6 * i + 1];
|
|
unsigned int r11 = src1[6 * i + 2];
|
|
unsigned int b12 = src1[6 * i + 3];
|
|
unsigned int g12 = src1[6 * i + 4];
|
|
unsigned int r12 = src1[6 * i + 5];
|
|
unsigned int b21 = src2[6 * i + 0];
|
|
unsigned int g21 = src2[6 * i + 1];
|
|
unsigned int r21 = src2[6 * i + 2];
|
|
unsigned int b22 = src2[6 * i + 3];
|
|
unsigned int g22 = src2[6 * i + 4];
|
|
unsigned int r22 = src2[6 * i + 5];
|
|
|
|
unsigned int Y11 = ((ry * r11 + gy * g11 + by * b11) >> RGB2YUV_SHIFT) + 16;
|
|
unsigned int Y12 = ((ry * r12 + gy * g12 + by * b12) >> RGB2YUV_SHIFT) + 16;
|
|
unsigned int Y21 = ((ry * r21 + gy * g21 + by * b21) >> RGB2YUV_SHIFT) + 16;
|
|
unsigned int Y22 = ((ry * r22 + gy * g22 + by * b22) >> RGB2YUV_SHIFT) + 16;
|
|
|
|
unsigned int bx = (b11 + b12 + b21 + b22) >> 2;
|
|
unsigned int gx = (g11 + g12 + g21 + g22) >> 2;
|
|
unsigned int rx = (r11 + r12 + r21 + r22) >> 2;
|
|
|
|
unsigned int U = ((ru * rx + gu * gx + bu * bx) >> RGB2YUV_SHIFT) + 128;
|
|
unsigned int V = ((rv * rx + gv * gx + bv * bx) >> RGB2YUV_SHIFT) + 128;
|
|
|
|
ydst1[2 * i + 0] = Y11;
|
|
ydst1[2 * i + 1] = Y12;
|
|
ydst2[2 * i + 0] = Y21;
|
|
ydst2[2 * i + 1] = Y22;
|
|
udst[i] = U;
|
|
vdst[i] = V;
|
|
}
|
|
src1 += srcStride * 2;
|
|
src2 += srcStride * 2;
|
|
ydst1 += lumStride * 2;
|
|
ydst2 += lumStride * 2;
|
|
udst += chromStride;
|
|
vdst += chromStride;
|
|
}
|
|
}
|
|
|
|
static void interleaveBytes_c(const uint8_t *src1, const uint8_t *src2,
|
|
uint8_t *dest, int width, int height,
|
|
int src1Stride, int src2Stride, int dstStride)
|
|
{
|
|
int h;
|
|
|
|
for (h = 0; h < height; h++) {
|
|
int w;
|
|
for (w = 0; w < width; w++) {
|
|
dest[2 * w + 0] = src1[w];
|
|
dest[2 * w + 1] = src2[w];
|
|
}
|
|
dest += dstStride;
|
|
src1 += src1Stride;
|
|
src2 += src2Stride;
|
|
}
|
|
}
|
|
|
|
static void deinterleaveBytes_c(const uint8_t *src, uint8_t *dst1, uint8_t *dst2,
|
|
int width, int height, int srcStride,
|
|
int dst1Stride, int dst2Stride)
|
|
{
|
|
int h;
|
|
|
|
for (h = 0; h < height; h++) {
|
|
int w;
|
|
for (w = 0; w < width; w++) {
|
|
dst1[w] = src[2 * w + 0];
|
|
dst2[w] = src[2 * w + 1];
|
|
}
|
|
src += srcStride;
|
|
dst1 += dst1Stride;
|
|
dst2 += dst2Stride;
|
|
}
|
|
}
|
|
|
|
static void extract_even_c(const uint8_t *src, uint8_t *dst, int count)
|
|
{
|
|
dst += count;
|
|
src += count * 2;
|
|
count = -count;
|
|
while (count < 0) {
|
|
dst[count] = src[2 * count];
|
|
count++;
|
|
}
|
|
}
|
|
|
|
static void extract_even2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
|
|
int count)
|
|
{
|
|
dst0 += count;
|
|
dst1 += count;
|
|
src += count * 4;
|
|
count = -count;
|
|
while (count < 0) {
|
|
dst0[count] = src[4 * count + 0];
|
|
dst1[count] = src[4 * count + 2];
|
|
count++;
|
|
}
|
|
}
|
|
|
|
static void extract_even2avg_c(const uint8_t *src0, const uint8_t *src1,
|
|
uint8_t *dst0, uint8_t *dst1, int count)
|
|
{
|
|
dst0 += count;
|
|
dst1 += count;
|
|
src0 += count * 4;
|
|
src1 += count * 4;
|
|
count = -count;
|
|
while (count < 0) {
|
|
dst0[count] = (src0[4 * count + 0] + src1[4 * count + 0]) >> 1;
|
|
dst1[count] = (src0[4 * count + 2] + src1[4 * count + 2]) >> 1;
|
|
count++;
|
|
}
|
|
}
|
|
|
|
static void extract_odd2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
|
|
int count)
|
|
{
|
|
dst0 += count;
|
|
dst1 += count;
|
|
src += count * 4;
|
|
count = -count;
|
|
src++;
|
|
while (count < 0) {
|
|
dst0[count] = src[4 * count + 0];
|
|
dst1[count] = src[4 * count + 2];
|
|
count++;
|
|
}
|
|
}
|
|
|
|
static void extract_odd2avg_c(const uint8_t *src0, const uint8_t *src1,
|
|
uint8_t *dst0, uint8_t *dst1, int count)
|
|
{
|
|
dst0 += count;
|
|
dst1 += count;
|
|
src0 += count * 4;
|
|
src1 += count * 4;
|
|
count = -count;
|
|
src0++;
|
|
src1++;
|
|
while (count < 0) {
|
|
dst0[count] = (src0[4 * count + 0] + src1[4 * count + 0]) >> 1;
|
|
dst1[count] = (src0[4 * count + 2] + src1[4 * count + 2]) >> 1;
|
|
count++;
|
|
}
|
|
}
|
|
|
|
static void yuyvtoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
|
|
const uint8_t *src, int width, int height,
|
|
int lumStride, int chromStride, int srcStride)
|
|
{
|
|
int y;
|
|
const int chromWidth = AV_CEIL_RSHIFT(width, 1);
|
|
|
|
for (y = 0; y < height; y++) {
|
|
extract_even_c(src, ydst, width);
|
|
if (y & 1) {
|
|
extract_odd2avg_c(src - srcStride, src, udst, vdst, chromWidth);
|
|
udst += chromStride;
|
|
vdst += chromStride;
|
|
}
|
|
|
|
src += srcStride;
|
|
ydst += lumStride;
|
|
}
|
|
}
|
|
|
|
static void yuyvtoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
|
|
const uint8_t *src, int width, int height,
|
|
int lumStride, int chromStride, int srcStride)
|
|
{
|
|
int y;
|
|
const int chromWidth = AV_CEIL_RSHIFT(width, 1);
|
|
|
|
for (y = 0; y < height; y++) {
|
|
extract_even_c(src, ydst, width);
|
|
extract_odd2_c(src, udst, vdst, chromWidth);
|
|
|
|
src += srcStride;
|
|
ydst += lumStride;
|
|
udst += chromStride;
|
|
vdst += chromStride;
|
|
}
|
|
}
|
|
|
|
static void uyvytoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
|
|
const uint8_t *src, int width, int height,
|
|
int lumStride, int chromStride, int srcStride)
|
|
{
|
|
int y;
|
|
const int chromWidth = AV_CEIL_RSHIFT(width, 1);
|
|
|
|
for (y = 0; y < height; y++) {
|
|
extract_even_c(src + 1, ydst, width);
|
|
if (y & 1) {
|
|
extract_even2avg_c(src - srcStride, src, udst, vdst, chromWidth);
|
|
udst += chromStride;
|
|
vdst += chromStride;
|
|
}
|
|
|
|
src += srcStride;
|
|
ydst += lumStride;
|
|
}
|
|
}
|
|
|
|
static void uyvytoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
|
|
const uint8_t *src, int width, int height,
|
|
int lumStride, int chromStride, int srcStride)
|
|
{
|
|
int y;
|
|
const int chromWidth = AV_CEIL_RSHIFT(width, 1);
|
|
|
|
for (y = 0; y < height; y++) {
|
|
extract_even_c(src + 1, ydst, width);
|
|
extract_even2_c(src, udst, vdst, chromWidth);
|
|
|
|
src += srcStride;
|
|
ydst += lumStride;
|
|
udst += chromStride;
|
|
vdst += chromStride;
|
|
}
|
|
}
|
|
|
|
static av_cold void rgb2rgb_init_c(void)
|
|
{
|
|
rgb15to16 = rgb15to16_c;
|
|
rgb15tobgr24 = rgb15tobgr24_c;
|
|
rgb15to32 = rgb15to32_c;
|
|
rgb16tobgr24 = rgb16tobgr24_c;
|
|
rgb16to32 = rgb16to32_c;
|
|
rgb16to15 = rgb16to15_c;
|
|
rgb24tobgr16 = rgb24tobgr16_c;
|
|
rgb24tobgr15 = rgb24tobgr15_c;
|
|
rgb24tobgr32 = rgb24tobgr32_c;
|
|
rgb32to16 = rgb32to16_c;
|
|
rgb32to15 = rgb32to15_c;
|
|
rgb32tobgr24 = rgb32tobgr24_c;
|
|
rgb24to15 = rgb24to15_c;
|
|
rgb24to16 = rgb24to16_c;
|
|
rgb24tobgr24 = rgb24tobgr24_c;
|
|
#if HAVE_BIGENDIAN
|
|
shuffle_bytes_0321 = shuffle_bytes_2103_c;
|
|
shuffle_bytes_2103 = shuffle_bytes_0321_c;
|
|
#else
|
|
shuffle_bytes_0321 = shuffle_bytes_0321_c;
|
|
shuffle_bytes_2103 = shuffle_bytes_2103_c;
|
|
#endif
|
|
shuffle_bytes_1230 = shuffle_bytes_1230_c;
|
|
shuffle_bytes_3012 = shuffle_bytes_3012_c;
|
|
shuffle_bytes_3210 = shuffle_bytes_3210_c;
|
|
shuffle_bytes_3102 = shuffle_bytes_3102_c;
|
|
shuffle_bytes_2013 = shuffle_bytes_2013_c;
|
|
shuffle_bytes_2130 = shuffle_bytes_2130_c;
|
|
shuffle_bytes_1203 = shuffle_bytes_1203_c;
|
|
rgb32tobgr16 = rgb32tobgr16_c;
|
|
rgb32tobgr15 = rgb32tobgr15_c;
|
|
yv12toyuy2 = yv12toyuy2_c;
|
|
yv12touyvy = yv12touyvy_c;
|
|
yuv422ptoyuy2 = yuv422ptoyuy2_c;
|
|
yuv422ptouyvy = yuv422ptouyvy_c;
|
|
planar2x = planar2x_c;
|
|
ff_rgb24toyv12 = ff_rgb24toyv12_c;
|
|
interleaveBytes = interleaveBytes_c;
|
|
deinterleaveBytes = deinterleaveBytes_c;
|
|
|
|
uyvytoyuv420 = uyvytoyuv420_c;
|
|
uyvytoyuv422 = uyvytoyuv422_c;
|
|
yuyvtoyuv420 = yuyvtoyuv420_c;
|
|
yuyvtoyuv422 = yuyvtoyuv422_c;
|
|
}
|