Showing the changes to libavcodec (10 of 14 files). Show all
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| @@ -22,6 +22,7 @@ OBJS = allcodecs.o \ · 21 unmodified lines | |||
| 22 | fmtconvert.o \ | 22 | fmtconvert.o \ |
| 23 | imgconvert.o \ | 23 | imgconvert.o \ |
| 24 | jrevdct.o \ | 24 | jrevdct.o \ |
| 25 | mathtables.o \ | ||
| 25 | options.o \ | 26 | options.o \ |
| 26 | parser.o \ | 27 | parser.o \ |
| 27 | raw.o \ | 28 | raw.o \ |
| @@ -655,12 +656,6 @@ OBJS-$(CONFIG_TEXT2MOVSUB_BSF) += movsub_bsf.o · 627 unmodified lines | |||
| 655 | OBJS-$(HAVE_PTHREADS) += pthread.o | 656 | OBJS-$(HAVE_PTHREADS) += pthread.o |
| 656 | OBJS-$(HAVE_W32THREADS) += pthread.o | 657 | OBJS-$(HAVE_W32THREADS) += pthread.o |
| 657 | 658 | ||
| 658 | # inverse.o contains the ff_inverse table definition, which is used by | ||
| 659 | # the FASTDIV macro (from libavutil); since referencing the external | ||
| 660 | # table has a negative effect on performance, copy it in libavcodec as | ||
| 661 | # well. | ||
| 662 | OBJS-$(!CONFIG_SMALL) += inverse.o | ||
| 663 | |||
| 664 | SKIPHEADERS += %_tablegen.h \ | 659 | SKIPHEADERS += %_tablegen.h \ |
| 665 | %_tables.h \ | 660 | %_tables.h \ |
| 666 | aac_tablegen_decl.h \ | 661 | aac_tablegen_decl.h \ |
| @@ -36,6 +36,30 @@ static inline av_const int MULH(int a, int b) · 35 unmodified lines | |||
| 36 | __asm__ ("smmul %0, %1, %2" : "=r"(r) : "r"(a), "r"(b)); | 36 | __asm__ ("smmul %0, %1, %2" : "=r"(r) : "r"(a), "r"(b)); |
| 37 | return r; | 37 | return r; |
| 38 | } | 38 | } |
| 39 | |||
| 40 | #define FASTDIV FASTDIV | ||
| 41 | static av_always_inline av_const int FASTDIV(int a, int b) | ||
| 42 | { | ||
| 43 | int r; | ||
| 44 | __asm__ ("cmp %2, #2 \n\t" | ||
| 45 | "ldr %0, [%3, %2, lsl #2] \n\t" | ||
| 46 | "ite le \n\t" | ||
| 47 | "lsrle %0, %1, #1 \n\t" | ||
| 48 | "smmulgt %0, %0, %1 \n\t" | ||
| 49 | : "=&r"(r) : "r"(a), "r"(b), "r"(ff_inverse) : "cc"); | ||
| 50 | return r; | ||
| 51 | } | ||
| 52 | |||
| 53 | #else /* HAVE_ARMV6 */ | ||
| 54 | |||
| 55 | #define FASTDIV FASTDIV | ||
| 56 | static av_always_inline av_const int FASTDIV(int a, int b) | ||
| 57 | { | ||
| 58 | int r, t; | ||
| 59 | __asm__ ("umull %1, %0, %2, %3" | ||
| 60 | : "=&r"(r), "=&r"(t) : "r"(a), "r"(ff_inverse[b])); | ||
| 61 | return r; | ||
| 62 | } | ||
| 39 | #endif | 63 | #endif |
| 40 | 64 | ||
| 41 | #define MLS64(d, a, b) MAC64(d, -(a), b) | 65 | #define MLS64(d, a, b) MAC64(d, -(a), b) |
| @@ -1 +0,0 @@ | |||
| 1 | #include "libavutil/inverse.c" | ||
| @@ -22,9 +22,14 @@ · 21 unmodified lines | |||
| 22 | #ifndef AVCODEC_MATHOPS_H | 22 | #ifndef AVCODEC_MATHOPS_H |
| 23 | #define AVCODEC_MATHOPS_H | 23 | #define AVCODEC_MATHOPS_H |
| 24 | 24 | ||
| 25 | #include <stdint.h> | ||
| 26 | |||
| 25 | #include "libavutil/common.h" | 27 | #include "libavutil/common.h" |
| 26 | #include "config.h" | 28 | #include "config.h" |
| 27 | 29 | ||
| 30 | extern const uint32_t ff_inverse[257]; | ||
| 31 | extern const uint8_t ff_sqrt_tab[256]; | ||
| 32 | |||
| 28 | #if ARCH_ARM | 33 | #if ARCH_ARM |
| 29 | # include "arm/mathops.h" | 34 | # include "arm/mathops.h" |
| 30 | #elif ARCH_AVR32 | 35 | #elif ARCH_AVR32 |
| @@ -185,4 +190,28 @@ if ((y) < (x)) {\ · 154 unmodified lines | |||
| 185 | # define PACK_2S16(a,b) PACK_2U16((a)&0xffff, (b)&0xffff) | 190 | # define PACK_2S16(a,b) PACK_2U16((a)&0xffff, (b)&0xffff) |
| 186 | #endif | 191 | #endif |
| 187 | 192 | ||
| 193 | #ifndef FASTDIV | ||
| 194 | # define FASTDIV(a,b) ((uint32_t)((((uint64_t)a) * ff_inverse[b]) >> 32)) | ||
| 195 | #endif /* FASTDIV */ | ||
| 196 | |||
| 197 | static inline av_const unsigned int ff_sqrt(unsigned int a) | ||
| 198 | { | ||
| 199 | unsigned int b; | ||
| 200 | |||
| 201 | if (a < 255) return (ff_sqrt_tab[a + 1] - 1) >> 4; | ||
| 202 | else if (a < (1 << 12)) b = ff_sqrt_tab[a >> 4] >> 2; | ||
| 203 | #if !CONFIG_SMALL | ||
| 204 | else if (a < (1 << 14)) b = ff_sqrt_tab[a >> 6] >> 1; | ||
| 205 | else if (a < (1 << 16)) b = ff_sqrt_tab[a >> 8] ; | ||
| 206 | #endif | ||
| 207 | else { | ||
| 208 | int s = av_log2_16bit(a >> 16) >> 1; | ||
| 209 | unsigned int c = a >> (s + 2); | ||
| 210 | b = ff_sqrt_tab[c >> (s + 8)]; | ||
| 211 | b = FASTDIV(c,b) + (b << s); | ||
| 212 | } | ||
| 213 | |||
| 214 | return b - (a < b * b); | ||
| 215 | } | ||
| 216 | |||
| 188 | #endif /* AVCODEC_MATHOPS_H */ | 217 | #endif /* AVCODEC_MATHOPS_H */ |
| @@ -0,0 +1,68 @@ | |||
| 1 | /* | ||
| 2 | * This file is part of Libav. | ||
| 3 | * | ||
| 4 | * Libav 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 | * Libav 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 Libav; if not, write to the Free Software | ||
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 17 | */ | ||
| 18 | |||
| 19 | #include <stdint.h> | ||
| 20 | |||
| 21 | /* a*inverse[b]>>32 == a/b for all 0<=a<=16909558 && 2<=b<=256 | ||
| 22 | * for a>16909558, is an overestimate by less than 1 part in 1<<24 */ | ||
| 23 | const uint32_t ff_inverse[257]={ | ||
| 24 | 0, 4294967295U,2147483648U,1431655766, 1073741824, 858993460, 715827883, 613566757, | ||
| 25 | 536870912, 477218589, 429496730, 390451573, 357913942, 330382100, 306783379, 286331154, | ||
| 26 | 268435456, 252645136, 238609295, 226050911, 214748365, 204522253, 195225787, 186737709, | ||
| 27 | 178956971, 171798692, 165191050, 159072863, 153391690, 148102321, 143165577, 138547333, | ||
| 28 | 134217728, 130150525, 126322568, 122713352, 119304648, 116080198, 113025456, 110127367, | ||
| 29 | 107374183, 104755300, 102261127, 99882961, 97612894, 95443718, 93368855, 91382283, | ||
| 30 | 89478486, 87652394, 85899346, 84215046, 82595525, 81037119, 79536432, 78090315, | ||
| 31 | 76695845, 75350304, 74051161, 72796056, 71582789, 70409300, 69273667, 68174085, | ||
| 32 | 67108864, 66076420, 65075263, 64103990, 63161284, 62245903, 61356676, 60492498, | ||
| 33 | 59652324, 58835169, 58040099, 57266231, 56512728, 55778797, 55063684, 54366675, | ||
| 34 | 53687092, 53024288, 52377650, 51746594, 51130564, 50529028, 49941481, 49367441, | ||
| 35 | 48806447, 48258060, 47721859, 47197443, 46684428, 46182445, 45691142, 45210183, | ||
| 36 | 44739243, 44278014, 43826197, 43383509, 42949673, 42524429, 42107523, 41698712, | ||
| 37 | 41297763, 40904451, 40518560, 40139882, 39768216, 39403370, 39045158, 38693400, | ||
| 38 | 38347923, 38008561, 37675152, 37347542, 37025581, 36709123, 36398028, 36092163, | ||
| 39 | 35791395, 35495598, 35204650, 34918434, 34636834, 34359739, 34087043, 33818641, | ||
| 40 | 33554432, 33294321, 33038210, 32786010, 32537632, 32292988, 32051995, 31814573, | ||
| 41 | 31580642, 31350127, 31122952, 30899046, 30678338, 30460761, 30246249, 30034737, | ||
| 42 | 29826162, 29620465, 29417585, 29217465, 29020050, 28825284, 28633116, 28443493, | ||
| 43 | 28256364, 28071682, 27889399, 27709467, 27531842, 27356480, 27183338, 27012373, | ||
| 44 | 26843546, 26676816, 26512144, 26349493, 26188825, 26030105, 25873297, 25718368, | ||
| 45 | 25565282, 25414008, 25264514, 25116768, 24970741, 24826401, 24683721, 24542671, | ||
| 46 | 24403224, 24265352, 24129030, 23994231, 23860930, 23729102, 23598722, 23469767, | ||
| 47 | 23342214, 23216040, 23091223, 22967740, 22845571, 22724695, 22605092, 22486740, | ||
| 48 | 22369622, 22253717, 22139007, 22025474, 21913099, 21801865, 21691755, 21582751, | ||
| 49 | 21474837, 21367997, 21262215, 21157475, 21053762, 20951060, 20849356, 20748635, | ||
| 50 | 20648882, 20550083, 20452226, 20355296, 20259280, 20164166, 20069941, 19976593, | ||
| 51 | 19884108, 19792477, 19701685, 19611723, 19522579, 19434242, 19346700, 19259944, | ||
| 52 | 19173962, 19088744, 19004281, 18920561, 18837576, 18755316, 18673771, 18592933, | ||
| 53 | 18512791, 18433337, 18354562, 18276457, 18199014, 18122225, 18046082, 17970575, | ||
| 54 | 17895698, 17821442, 17747799, 17674763, 17602325, 17530479, 17459217, 17388532, | ||
| 55 | 17318417, 17248865, 17179870, 17111424, 17043522, 16976156, 16909321, 16843010, | ||
| 56 | 16777216 | ||
| 57 | }; | ||
| 58 | |||
| 59 | const uint8_t ff_sqrt_tab[256]={ | ||
| 60 | 0, 16, 23, 28, 32, 36, 40, 43, 46, 48, 51, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 77, 79, 80, 82, 84, 85, 87, 88, 90, | ||
| 61 | 91, 92, 94, 95, 96, 98, 99,100,102,103,104,105,107,108,109,110,111,112,114,115,116,117,118,119,120,121,122,123,124,125,126,127, | ||
| 62 | 128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,144,145,146,147,148,149,150,151,151,152,153,154,155,156,156, | ||
| 63 | 157,158,159,160,160,161,162,163,164,164,165,166,167,168,168,169,170,171,171,172,173,174,174,175,176,176,177,178,179,179,180,181, | ||
| 64 | 182,182,183,184,184,185,186,186,187,188,188,189,190,190,191,192,192,193,194,194,195,196,196,197,198,198,199,200,200,201,202,202, | ||
| 65 | 203,204,204,205,205,206,207,207,208,208,209,210,210,211,212,212,213,213,214,215,215,216,216,217,218,218,219,219,220,220,221,222, | ||
| 66 | 222,223,223,224,224,225,226,226,227,227,228,228,229,230,230,231,231,232,232,233,233,234,235,235,236,236,237,237,238,238,239,239, | ||
| 67 | 240,240,241,242,242,243,243,244,244,245,245,246,246,247,247,248,248,249,249,250,250,251,251,252,252,253,253,254,254,255,255,255 | ||
| 68 | }; | ||
| @@ -30,7 +30,7 @@ · 29 unmodified lines | |||
| 30 | #include <stdlib.h> | 30 | #include <stdlib.h> |
| 31 | #include <stdio.h> | 31 | #include <stdio.h> |
| 32 | #include <limits.h> | 32 | #include <limits.h> |
| 33 | #include "libavutil/intmath.h" | 33 | |
| 34 | #include "avcodec.h" | 34 | #include "avcodec.h" |
| 35 | #include "dsputil.h" | 35 | #include "dsputil.h" |
| 36 | #include "mathops.h" | 36 | #include "mathops.h" |
| @@ -27,11 +27,11 @@ · 26 unmodified lines | |||
| 27 | * The simplest mpeg encoder (well, it was the simplest!). | 27 | * The simplest mpeg encoder (well, it was the simplest!). |
| 28 | */ | 28 | */ |
| 29 | 29 | ||
| 30 | #include "libavutil/intmath.h" | ||
| 31 | #include "libavutil/imgutils.h" | 30 | #include "libavutil/imgutils.h" |
| 32 | #include "avcodec.h" | 31 | #include "avcodec.h" |
| 33 | #include "dsputil.h" | 32 | #include "dsputil.h" |
| 34 | #include "internal.h" | 33 | #include "internal.h" |
| 34 | #include "mathops.h" | ||
| 35 | #include "mpegvideo.h" | 35 | #include "mpegvideo.h" |
| 36 | #include "mjpegenc.h" | 36 | #include "mjpegenc.h" |
| 37 | #include "msmpeg4.h" | 37 | #include "msmpeg4.h" |
| @@ -34,6 +34,7 @@ · 33 unmodified lines | |||
| 34 | #include "dsputil.h" | 34 | #include "dsputil.h" |
| 35 | #include "mpegvideo.h" | 35 | #include "mpegvideo.h" |
| 36 | #include "h263.h" | 36 | #include "h263.h" |
| 37 | #include "mathops.h" | ||
| 37 | #include "mjpegenc.h" | 38 | #include "mjpegenc.h" |
| 38 | #include "msmpeg4.h" | 39 | #include "msmpeg4.h" |
| 39 | #include "faandct.h" | 40 | #include "faandct.h" |
| @@ -22,8 +22,8 @@ · 21 unmodified lines | |||
| 22 | #include <stdint.h> | 22 | #include <stdint.h> |
| 23 | #include "avcodec.h" | 23 | #include "avcodec.h" |
| 24 | #include "celp_filters.h" | 24 | #include "celp_filters.h" |
| 25 | #include "mathops.h" | ||
| 25 | #include "ra144.h" | 26 | #include "ra144.h" |
| 26 | #include "libavutil/common.h" | ||
| 27 | 27 | ||
| 28 | const int16_t ff_gain_val_tab[256][3] = { | 28 | const int16_t ff_gain_val_tab[256][3] = { |
| 29 | { 541, 956, 768}, { 877, 581, 568}, { 675,1574, 635}, {1248,1464, 668}, | 29 | { 541, 956, 768}, { 877, 581, 568}, { 675,1574, 635}, {1248,1464, 668}, |
| @@ -21,10 +21,10 @@ · 20 unmodified lines | |||
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 22 | */ | 22 | */ |
| 23 | 23 | ||
| 24 | #include "libavutil/intmath.h" | ||
| 25 | #include "avcodec.h" | 24 | #include "avcodec.h" |
| 26 | #include "bytestream.h" | 25 | #include "bytestream.h" |
| 27 | #include "internal.h" | 26 | #include "internal.h" |
| 27 | #include "mathops.h" | ||
| 28 | 28 | ||
| 29 | #define ROQ_FRAME_SIZE 735 | 29 | #define ROQ_FRAME_SIZE 735 |
| 30 | #define ROQ_HEADER_SIZE 8 | 30 | #define ROQ_HEADER_SIZE 8 |