Originally committed as revision 9060 to svn://svn.ffmpeg.org/ffmpeg/trunktags/v0.5
| @@ -19,7 +19,7 @@ OBJS= bitstream.o \ | |||
| motion_est.o \ | |||
| imgconvert.o \ | |||
| mpeg12.o \ | |||
| mpegaudiodec.o \ | |||
| mpegaudiodec.o mpegaudiodata.o \ | |||
| simple_idct.o \ | |||
| ratecontrol.o \ | |||
| eval.o \ | |||
| @@ -107,7 +107,7 @@ OBJS-$(CONFIG_MJPEG_DECODER) += mjpegdec.o mjpeg.o jpeglsdec.o jpegls. | |||
| OBJS-$(CONFIG_MJPEG_ENCODER) += mjpegenc.o mjpeg.o mpegvideo.o | |||
| OBJS-$(CONFIG_MJPEGB_DECODER) += mjpegdec.o mjpeg.o jpeglsdec.o jpegls.o | |||
| OBJS-$(CONFIG_MMVIDEO_DECODER) += mmvideo.o | |||
| OBJS-$(CONFIG_MP2_ENCODER) += mpegaudio.o | |||
| OBJS-$(CONFIG_MP2_ENCODER) += mpegaudio.o mpegaudiodata.o | |||
| OBJS-$(CONFIG_MPC7_DECODER) += mpc.o | |||
| OBJS-$(CONFIG_MSMPEG4V1_DECODER) += msmpeg4.o msmpeg4data.o | |||
| OBJS-$(CONFIG_MSMPEG4V1_ENCODER) += msmpeg4.o msmpeg4data.o | |||
| @@ -308,7 +308,7 @@ OBJS-$(CONFIG_DUMP_EXTRADATA_BSF) += bitstream_filter.o | |||
| OBJS-$(CONFIG_REMOVE_EXTRADATA_BSF) += bitstream_filter.o | |||
| OBJS-$(CONFIG_NOISE_BSF) += bitstream_filter.o | |||
| OBJS-$(CONFIG_MP3_HEADER_COMPRESS_BSF) += bitstream_filter.o | |||
| OBJS-$(CONFIG_MP3_HEADER_DECOMPRESS_BSF) += bitstream_filter.o | |||
| OBJS-$(CONFIG_MP3_HEADER_DECOMPRESS_BSF) += bitstream_filter.o mpegaudiodata.o | |||
| OBJS-$(CONFIG_MJPEGA_DUMP_HEADER_BSF) += mjpegdec.o mjpeg.o jpeglsdec.o jpegls.o | |||
| OBJS-$(CONFIG_IMX_DUMP_HEADER_BSF) += mpeg12.o | |||
| @@ -20,6 +20,7 @@ | |||
| #include "avcodec.h" | |||
| #include "mpegaudio.h" | |||
| #include "mpegaudiodata.h" | |||
| AVBitStreamFilter *first_bitstream_filter= NULL; | |||
| @@ -59,6 +59,7 @@ typedef struct MpegAudioContext { | |||
| /* define it to use floats in quantization (I don't like floats !) */ | |||
| //#define USE_FLOATS | |||
| #include "mpegaudiodata.h" | |||
| #include "mpegaudiotab.h" | |||
| static int MPA_encode_init(AVCodecContext *avctx) | |||
| @@ -79,15 +79,6 @@ void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset, | |||
| OUT_INT *samples, int incr, | |||
| int32_t sb_samples[SBLIMIT]); | |||
| extern const uint16_t mpa_bitrate_tab[2][3][15]; | |||
| extern const uint16_t mpa_freq_tab[3]; | |||
| extern const unsigned char *alloc_tables[5]; | |||
| extern const double enwindow[512]; | |||
| extern const int sblimit_table[5]; | |||
| extern const int quant_steps[17]; | |||
| extern const int quant_bits[17]; | |||
| extern const int32_t mpa_enwindow[257]; | |||
| /* fast header check for resync */ | |||
| static inline int ff_mpa_check_header(uint32_t header){ | |||
| /* header */ | |||
| @@ -0,0 +1,225 @@ | |||
| /* | |||
| * MPEG Audio common tables | |||
| * copyright (c) 2002 Fabrice Bellard | |||
| * | |||
| * This file is part of FFmpeg. | |||
| * | |||
| * FFmpeg is free software; you can redistribute it and/or | |||
| * modify it under the terms of the GNU Lesser General Public | |||
| * License as published by the Free Software Foundation; either | |||
| * version 2.1 of the License, or (at your option) any later version. | |||
| * | |||
| * FFmpeg is distributed in the hope that it will be useful, | |||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |||
| * Lesser General Public License for more details. | |||
| * | |||
| * You should have received a copy of the GNU Lesser General Public | |||
| * License along with FFmpeg; if not, write to the Free Software | |||
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |||
| */ | |||
| /** | |||
| * @file mpegaudiodata.c | |||
| * mpeg audio layer common tables. | |||
| */ | |||
| #include "mpegaudiodata.h" | |||
| const uint16_t mpa_bitrate_tab[2][3][15] = { | |||
| { {0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448 }, | |||
| {0, 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384 }, | |||
| {0, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320 } }, | |||
| { {0, 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256}, | |||
| {0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160}, | |||
| {0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160} | |||
| } | |||
| }; | |||
| const uint16_t mpa_freq_tab[3] = { 44100, 48000, 32000 }; | |||
| /*******************************************************/ | |||
| /* half mpeg encoding window (full precision) */ | |||
| const int32_t mpa_enwindow[257] = { | |||
| 0, -1, -1, -1, -1, -1, -1, -2, | |||
| -2, -2, -2, -3, -3, -4, -4, -5, | |||
| -5, -6, -7, -7, -8, -9, -10, -11, | |||
| -13, -14, -16, -17, -19, -21, -24, -26, | |||
| -29, -31, -35, -38, -41, -45, -49, -53, | |||
| -58, -63, -68, -73, -79, -85, -91, -97, | |||
| -104, -111, -117, -125, -132, -139, -147, -154, | |||
| -161, -169, -176, -183, -190, -196, -202, -208, | |||
| 213, 218, 222, 225, 227, 228, 228, 227, | |||
| 224, 221, 215, 208, 200, 189, 177, 163, | |||
| 146, 127, 106, 83, 57, 29, -2, -36, | |||
| -72, -111, -153, -197, -244, -294, -347, -401, | |||
| -459, -519, -581, -645, -711, -779, -848, -919, | |||
| -991, -1064, -1137, -1210, -1283, -1356, -1428, -1498, | |||
| -1567, -1634, -1698, -1759, -1817, -1870, -1919, -1962, | |||
| -2001, -2032, -2057, -2075, -2085, -2087, -2080, -2063, | |||
| 2037, 2000, 1952, 1893, 1822, 1739, 1644, 1535, | |||
| 1414, 1280, 1131, 970, 794, 605, 402, 185, | |||
| -45, -288, -545, -814, -1095, -1388, -1692, -2006, | |||
| -2330, -2663, -3004, -3351, -3705, -4063, -4425, -4788, | |||
| -5153, -5517, -5879, -6237, -6589, -6935, -7271, -7597, | |||
| -7910, -8209, -8491, -8755, -8998, -9219, -9416, -9585, | |||
| -9727, -9838, -9916, -9959, -9966, -9935, -9863, -9750, | |||
| -9592, -9389, -9139, -8840, -8492, -8092, -7640, -7134, | |||
| 6574, 5959, 5288, 4561, 3776, 2935, 2037, 1082, | |||
| 70, -998, -2122, -3300, -4533, -5818, -7154, -8540, | |||
| -9975,-11455,-12980,-14548,-16155,-17799,-19478,-21189, | |||
| -22929,-24694,-26482,-28289,-30112,-31947,-33791,-35640, | |||
| -37489,-39336,-41176,-43006,-44821,-46617,-48390,-50137, | |||
| -51853,-53534,-55178,-56778,-58333,-59838,-61289,-62684, | |||
| -64019,-65290,-66494,-67629,-68692,-69679,-70590,-71420, | |||
| -72169,-72835,-73415,-73908,-74313,-74630,-74856,-74992, | |||
| 75038, | |||
| }; | |||
| /*******************************************************/ | |||
| /* layer 2 tables */ | |||
| const int sblimit_table[5] = { 27 , 30 , 8, 12 , 30 }; | |||
| const int quant_steps[17] = { | |||
| 3, 5, 7, 9, 15, | |||
| 31, 63, 127, 255, 511, | |||
| 1023, 2047, 4095, 8191, 16383, | |||
| 32767, 65535 | |||
| }; | |||
| /* we use a negative value if grouped */ | |||
| const int quant_bits[17] = { | |||
| -5, -7, 3, -10, 4, | |||
| 5, 6, 7, 8, 9, | |||
| 10, 11, 12, 13, 14, | |||
| 15, 16 | |||
| }; | |||
| /* encoding tables which give the quantization index. Note how it is | |||
| possible to store them efficiently ! */ | |||
| static const unsigned char alloc_table_0[] = { | |||
| 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, | |||
| 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, | |||
| 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| }; | |||
| static const unsigned char alloc_table_1[] = { | |||
| 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, | |||
| 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, | |||
| 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| }; | |||
| static const unsigned char alloc_table_2[] = { | |||
| 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |||
| 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| }; | |||
| static const unsigned char alloc_table_3[] = { | |||
| 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |||
| 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| }; | |||
| static const unsigned char alloc_table_4[] = { | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| }; | |||
| const unsigned char *alloc_tables[5] = | |||
| { alloc_table_0, alloc_table_1, alloc_table_2, alloc_table_3, alloc_table_4, }; | |||
| @@ -0,0 +1,40 @@ | |||
| /* | |||
| * MPEG Audio common tables | |||
| * copyright (c) 2002 Fabrice Bellard | |||
| * | |||
| * This file is part of FFmpeg. | |||
| * | |||
| * FFmpeg is free software; you can redistribute it and/or | |||
| * modify it under the terms of the GNU Lesser General Public | |||
| * License as published by the Free Software Foundation; either | |||
| * version 2.1 of the License, or (at your option) any later version. | |||
| * | |||
| * FFmpeg is distributed in the hope that it will be useful, | |||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |||
| * Lesser General Public License for more details. | |||
| * | |||
| * You should have received a copy of the GNU Lesser General Public | |||
| * License along with FFmpeg; if not, write to the Free Software | |||
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |||
| */ | |||
| /** | |||
| * @file mpegaudiodata.h | |||
| * mpeg audio layer common tables. | |||
| */ | |||
| #ifndef MPEGAUDIODATA_H | |||
| #define MPEGAUDIODATA_H | |||
| #include "common.h" | |||
| extern const uint16_t mpa_bitrate_tab[2][3][15]; | |||
| extern const uint16_t mpa_freq_tab[3]; | |||
| extern const int32_t mpa_enwindow[257]; | |||
| extern const int sblimit_table[5]; | |||
| extern const int quant_steps[17]; | |||
| extern const int quant_bits[17]; | |||
| extern const unsigned char *alloc_tables[5]; | |||
| #endif /* MPEGAUDIODATA_H */ | |||
| @@ -132,6 +132,7 @@ typedef struct HuffTable { | |||
| const uint16_t *codes; | |||
| } HuffTable; | |||
| #include "mpegaudiodata.h" | |||
| #include "mpegaudiodectab.h" | |||
| static void compute_antialias_integer(MPADecodeContext *s, GranuleDef *g); | |||
| @@ -24,203 +24,6 @@ | |||
| * mpeg audio layer decoder tables. | |||
| */ | |||
| const uint16_t mpa_bitrate_tab[2][3][15] = { | |||
| { {0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448 }, | |||
| {0, 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384 }, | |||
| {0, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320 } }, | |||
| { {0, 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256}, | |||
| {0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160}, | |||
| {0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160} | |||
| } | |||
| }; | |||
| const uint16_t mpa_freq_tab[3] = { 44100, 48000, 32000 }; | |||
| /*******************************************************/ | |||
| /* half mpeg encoding window (full precision) */ | |||
| const int32_t mpa_enwindow[257] = { | |||
| 0, -1, -1, -1, -1, -1, -1, -2, | |||
| -2, -2, -2, -3, -3, -4, -4, -5, | |||
| -5, -6, -7, -7, -8, -9, -10, -11, | |||
| -13, -14, -16, -17, -19, -21, -24, -26, | |||
| -29, -31, -35, -38, -41, -45, -49, -53, | |||
| -58, -63, -68, -73, -79, -85, -91, -97, | |||
| -104, -111, -117, -125, -132, -139, -147, -154, | |||
| -161, -169, -176, -183, -190, -196, -202, -208, | |||
| 213, 218, 222, 225, 227, 228, 228, 227, | |||
| 224, 221, 215, 208, 200, 189, 177, 163, | |||
| 146, 127, 106, 83, 57, 29, -2, -36, | |||
| -72, -111, -153, -197, -244, -294, -347, -401, | |||
| -459, -519, -581, -645, -711, -779, -848, -919, | |||
| -991, -1064, -1137, -1210, -1283, -1356, -1428, -1498, | |||
| -1567, -1634, -1698, -1759, -1817, -1870, -1919, -1962, | |||
| -2001, -2032, -2057, -2075, -2085, -2087, -2080, -2063, | |||
| 2037, 2000, 1952, 1893, 1822, 1739, 1644, 1535, | |||
| 1414, 1280, 1131, 970, 794, 605, 402, 185, | |||
| -45, -288, -545, -814, -1095, -1388, -1692, -2006, | |||
| -2330, -2663, -3004, -3351, -3705, -4063, -4425, -4788, | |||
| -5153, -5517, -5879, -6237, -6589, -6935, -7271, -7597, | |||
| -7910, -8209, -8491, -8755, -8998, -9219, -9416, -9585, | |||
| -9727, -9838, -9916, -9959, -9966, -9935, -9863, -9750, | |||
| -9592, -9389, -9139, -8840, -8492, -8092, -7640, -7134, | |||
| 6574, 5959, 5288, 4561, 3776, 2935, 2037, 1082, | |||
| 70, -998, -2122, -3300, -4533, -5818, -7154, -8540, | |||
| -9975,-11455,-12980,-14548,-16155,-17799,-19478,-21189, | |||
| -22929,-24694,-26482,-28289,-30112,-31947,-33791,-35640, | |||
| -37489,-39336,-41176,-43006,-44821,-46617,-48390,-50137, | |||
| -51853,-53534,-55178,-56778,-58333,-59838,-61289,-62684, | |||
| -64019,-65290,-66494,-67629,-68692,-69679,-70590,-71420, | |||
| -72169,-72835,-73415,-73908,-74313,-74630,-74856,-74992, | |||
| 75038, | |||
| }; | |||
| /*******************************************************/ | |||
| /* layer 2 tables */ | |||
| const int sblimit_table[5] = { 27 , 30 , 8, 12 , 30 }; | |||
| const int quant_steps[17] = { | |||
| 3, 5, 7, 9, 15, | |||
| 31, 63, 127, 255, 511, | |||
| 1023, 2047, 4095, 8191, 16383, | |||
| 32767, 65535 | |||
| }; | |||
| /* we use a negative value if grouped */ | |||
| const int quant_bits[17] = { | |||
| -5, -7, 3, -10, 4, | |||
| 5, 6, 7, 8, 9, | |||
| 10, 11, 12, 13, 14, | |||
| 15, 16 | |||
| }; | |||
| /* encoding tables which give the quantization index. Note how it is | |||
| possible to store them efficiently ! */ | |||
| static const unsigned char alloc_table_0[] = { | |||
| 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, | |||
| 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, | |||
| 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| }; | |||
| static const unsigned char alloc_table_1[] = { | |||
| 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, | |||
| 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, | |||
| 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 3, 0, 1, 2, 3, 4, 5, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| 2, 0, 1, 16, | |||
| }; | |||
| static const unsigned char alloc_table_2[] = { | |||
| 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |||
| 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| }; | |||
| static const unsigned char alloc_table_3[] = { | |||
| 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |||
| 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| }; | |||
| static const unsigned char alloc_table_4[] = { | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |||
| 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 3, 0, 1, 3, 4, 5, 6, 7, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| 2, 0, 1, 3, | |||
| }; | |||
| const unsigned char *alloc_tables[5] = | |||
| { alloc_table_0, alloc_table_1, alloc_table_2, alloc_table_3, alloc_table_4, }; | |||
| /*******************************************************/ | |||
| /* layer 3 tables */ | |||