repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * This file is part of MPlayer. | |
| 3 | * | |
| 4 | * MPlayer is free software; you can redistribute it and/or | |
| 5 | * modify it under the terms of the GNU Lesser General Public | |
| 6 | * License as published by the Free Software Foundation; either | |
| 7 | * version 2.1 of the License, or (at your option) any later version. | |
| 8 | * | |
| 9 | * MPlayer is distributed in the hope that it will be useful, | |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 | * Lesser General Public License for more details. | |
| 13 | * | |
| 14 | * You should have received a copy of the GNU Lesser General Public | |
| 15 | * License along with MPlayer; if not, write to the Free Software | |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 17 | */ | |
| 18 | ||
| 19 | #ifndef MPLAYER_FASTMEMCPY_H | |
| 20 | #define MPLAYER_FASTMEMCPY_H | |
| 21 | ||
| 22 | #include <inttypes.h> | |
| 23 | #include <string.h> | |
| 24 | #include <stddef.h> | |
| 25 | ||
| 26 | void * fast_memcpy(void * to, const void * from, size_t len); | |
| 27 | void * mem2agpcpy(void * to, const void * from, size_t len); | |
| 28 | ||
| 29 | #if ! defined(CONFIG_FASTMEMCPY) || ! (HAVE_MMX || HAVE_MMX2 || HAVE_AMD3DNOW /* || HAVE_SSE || HAVE_SSE2 */) | |
| 30 | #define mem2agpcpy(a,b,c) memcpy(a,b,c) | |
| 31 | #define fast_memcpy(a,b,c) memcpy(a,b,c) | |
| 32 | #endif | |
| 33 | ||
| 34 | static inline void * mem2agpcpy_pic(void * dst, const void * src, int bytesPerLine, int height, int dstStride, int srcStride) | |
| 35 | { | |
| 36 | int i; | |
| 37 | void *retval=dst; | |
| 38 | ||
| 39 | if(dstStride == srcStride) | |
| 40 | { | |
| 41 | if (srcStride < 0) { | |
| 42 | src = (const uint8_t*)src + (height-1)*srcStride; | |
| 43 | dst = (uint8_t*)dst + (height-1)*dstStride; | |
| 44 | srcStride = -srcStride; | |
| 45 | } | |
| 46 | ||
| 47 | mem2agpcpy(dst, src, srcStride*height); | |
| 48 | } | |
| 49 | else | |
| 50 | { | |
| 51 | for(i=0; i<height; i++) | |
| 52 | { | |
| 53 | mem2agpcpy(dst, src, bytesPerLine); | |
| 54 | src = (const uint8_t*)src + srcStride; | |
| 55 | dst = (uint8_t*)dst + dstStride; | |
| 56 | } | |
| 57 | } | |
| 58 | ||
| 59 | return retval; | |
| 60 | } | |
| 61 | ||
| 62 | #define memcpy_pic(d, s, b, h, ds, ss) memcpy_pic2(d, s, b, h, ds, ss, 0) | |
| 63 | #define my_memcpy_pic(d, s, b, h, ds, ss) memcpy_pic2(d, s, b, h, ds, ss, 1) | |
| 64 | ||
| 65 | /** | |
| 66 | * \param limit2width always skip data between end of line and start of next | |
| 67 | * instead of copying the full block when strides are the same | |
| 68 | */ | |
| 69 | static inline void * memcpy_pic2(void * dst, const void * src, | |
| 70 | int bytesPerLine, int height, | |
| 71 | int dstStride, int srcStride, int limit2width) | |
| 72 | { | |
| 73 | int i; | |
| 74 | void *retval=dst; | |
| 75 | ||
| 76 | if(!limit2width && dstStride == srcStride) | |
| 77 | { | |
| 78 | if (srcStride < 0) { | |
| 79 | src = (const uint8_t*)src + (height-1)*srcStride; | |
| 80 | dst = (uint8_t*)dst + (height-1)*dstStride; | |
| 81 | srcStride = -srcStride; | |
| 82 | } | |
| 83 | ||
| 84 | fast_memcpy(dst, src, srcStride*height); | |
| 85 | } | |
| 86 | else | |
| 87 | { | |
| 88 | for(i=0; i<height; i++) | |
| 89 | { | |
| 90 | fast_memcpy(dst, src, bytesPerLine); | |
| 91 | src = (const uint8_t*)src + srcStride; | |
| 92 | dst = (uint8_t*)dst + dstStride; | |
| 93 | } | |
| 94 | } | |
| 95 | ||
| 96 | return retval; | |
| 97 | } | |
| 98 | ||
| 99 | #endif /* MPLAYER_FASTMEMCPY_H */ |