diff --git a/libavcodec/aac.c b/libavcodec/aac.c index 47237ff44e..cd59c2031a 100644 --- a/libavcodec/aac.c +++ b/libavcodec/aac.c @@ -82,6 +82,7 @@ #include "aac.h" #include "aactab.h" +#include "aacdectab.h" #include "mpeg4audio.h" #include @@ -91,6 +92,7 @@ #ifndef CONFIG_HARDCODED_TABLES static float ff_aac_ivquant_tab[IVQUANT_SIZE]; + static float ff_aac_pow2sf_tab[316]; #endif /* CONFIG_HARDCODED_TABLES */ static VLC vlc_scalefactors; @@ -104,27 +106,29 @@ static VLC vlc_spectral[11]; num_assoc_data = get_bits(gb, 3); num_cc = get_bits(gb, 4); - newpcs->mono_mixdown_tag = get_bits1(gb) ? get_bits(gb, 4) : -1; - newpcs->stereo_mixdown_tag = get_bits1(gb) ? get_bits(gb, 4) : -1; + if (get_bits1(gb)) + skip_bits(gb, 4); // mono_mixdown_tag + if (get_bits1(gb)) + skip_bits(gb, 4); // stereo_mixdown_tag - if (get_bits1(gb)) { - newpcs->mixdown_coeff_index = get_bits(gb, 2); - newpcs->pseudo_surround = get_bits1(gb); - } + if (get_bits1(gb)) + skip_bits(gb, 3); // mixdown_coeff_index and pseudo_surround - program_config_element_parse_tags(newpcs->che_type[ID_CPE], newpcs->che_type[ID_SCE], AAC_CHANNEL_FRONT, gb, num_front); - program_config_element_parse_tags(newpcs->che_type[ID_CPE], newpcs->che_type[ID_SCE], AAC_CHANNEL_SIDE, gb, num_side ); - program_config_element_parse_tags(newpcs->che_type[ID_CPE], newpcs->che_type[ID_SCE], AAC_CHANNEL_BACK, gb, num_back ); - program_config_element_parse_tags(NULL, newpcs->che_type[ID_LFE], AAC_CHANNEL_LFE, gb, num_lfe ); + decode_channel_map(new_che_pos[TYPE_CPE], new_che_pos[TYPE_SCE], AAC_CHANNEL_FRONT, gb, num_front); + decode_channel_map(new_che_pos[TYPE_CPE], new_che_pos[TYPE_SCE], AAC_CHANNEL_SIDE, gb, num_side ); + decode_channel_map(new_che_pos[TYPE_CPE], new_che_pos[TYPE_SCE], AAC_CHANNEL_BACK, gb, num_back ); + decode_channel_map(NULL, new_che_pos[TYPE_LFE], AAC_CHANNEL_LFE, gb, num_lfe ); skip_bits_long(gb, 4 * num_assoc_data); - program_config_element_parse_tags(newpcs->che_type[ID_CCE], newpcs->che_type[ID_CCE], AAC_CHANNEL_CC, gb, num_cc ); + decode_channel_map(new_che_pos[TYPE_CCE], new_che_pos[TYPE_CCE], AAC_CHANNEL_CC, gb, num_cc ); align_get_bits(gb); /* comment field, first byte is length */ skip_bits_long(gb, 8 * get_bits(gb, 8)); + return 0; +} static av_cold int aac_decode_init(AVCodecContext * avccontext) { AACContext * ac = avccontext->priv_data; @@ -132,6 +136,10 @@ static av_cold int aac_decode_init(AVCodecContext * avccontext) { ac->avccontext = avccontext; + if (avccontext->extradata_size <= 0 || + decode_audio_specific_config(ac, avccontext->extradata, avccontext->extradata_size)) + return -1; + avccontext->sample_rate = ac->m4ac.sample_rate; avccontext->frame_size = 1024; @@ -166,6 +174,8 @@ static av_cold int aac_decode_init(AVCodecContext * avccontext) { #ifndef CONFIG_HARDCODED_TABLES for (i = 1 - IVQUANT_SIZE/2; i < IVQUANT_SIZE/2; i++) ff_aac_ivquant_tab[i + IVQUANT_SIZE/2 - 1] = cbrt(fabs(i)) * i; + for (i = 0; i < 316; i++) + ff_aac_pow2sf_tab[i] = pow(2, (i - 200)/4.); #endif /* CONFIG_HARDCODED_TABLES */ INIT_VLC_STATIC(&vlc_scalefactors, 7, sizeof(ff_aac_scalefactor_code)/sizeof(ff_aac_scalefactor_code[0]), @@ -200,6 +210,112 @@ static inline float ivquant(int a) { return cbrtf(fabsf(a)) * a; } + int band_type_run_end[120], GetBitContext * gb, IndividualChannelStream * ics) { + int g, idx = 0; + const int bits = (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE) ? 3 : 5; + for (g = 0; g < ics->num_window_groups; g++) { + int k = 0; + while (k < ics->max_sfb) { + uint8_t sect_len = k; + int sect_len_incr; + int sect_band_type = get_bits(gb, 4); + if (sect_band_type == 12) { + av_log(ac->avccontext, AV_LOG_ERROR, "invalid band type\n"); + return -1; + } + while ((sect_len_incr = get_bits(gb, bits)) == (1 << bits)-1) + sect_len += sect_len_incr; + sect_len += sect_len_incr; + if (sect_len > ics->max_sfb) { + av_log(ac->avccontext, AV_LOG_ERROR, + "Number of bands (%d) exceeds limit (%d).\n", + sect_len, ics->max_sfb); + return -1; + } + + * + * @param mix_gain channel gain (Not used by AAC bitstream.) + * @param global_gain first scalefactor value as scalefactors are differentially coded + * @param band_type array of the used band type + * @param band_type_run_end array of the last scalefactor band of a band type run + * @param sf array of scalefactors or intensity stereo positions + * + * @return Returns error status. 0 - OK, !0 - error + */ +static int decode_scalefactors(AACContext * ac, float sf[120], GetBitContext * gb, + float mix_gain, unsigned int global_gain, IndividualChannelStream * ics, + enum BandType band_type[120], int band_type_run_end[120]) { + const int sf_offset = ac->sf_offset + (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE ? 12 : 0); + int g, i, idx = 0; + int offset[3] = { global_gain, global_gain - 90, 100 }; + int noise_flag = 1; + static const char *sf_str[3] = { "Global gain", "Noise gain", "Intensity stereo position" }; + ics->intensity_present = 0; + for (g = 0; g < ics->num_window_groups; g++) { + for (i = 0; i < ics->max_sfb;) { + int run_end = band_type_run_end[idx]; + if (band_type[idx] == ZERO_BT) { + for(; i < run_end; i++, idx++) + sf[idx] = 0.; + }else if((band_type[idx] == INTENSITY_BT) || (band_type[idx] == INTENSITY_BT2)) { + ics->intensity_present = 1; + for(; i < run_end; i++, idx++) { + offset[2] += get_vlc2(gb, vlc_scalefactors.table, 7, 3) - 60; + if(offset[2] > 255U) { + av_log(ac->avccontext, AV_LOG_ERROR, + "%s (%d) out of range.\n", sf_str[2], offset[2]); + return -1; + } + sf[idx] = ff_aac_pow2sf_tab[-offset[2] + 300]; + sf[idx] *= mix_gain; + } + }else if(band_type[idx] == NOISE_BT) { + for(; i < run_end; i++, idx++) { + if(noise_flag-- > 0) + offset[1] += get_bits(gb, 9) - 256; + else + offset[1] += get_vlc2(gb, vlc_scalefactors.table, 7, 3) - 60; + if(offset[1] > 255U) { + av_log(ac->avccontext, AV_LOG_ERROR, + "%s (%d) out of range.\n", sf_str[1], offset[1]); + return -1; + } + sf[idx] = -ff_aac_pow2sf_tab[ offset[1] + sf_offset]; + sf[idx] *= mix_gain; + } + }else { + for(; i < run_end; i++, idx++) { + offset[0] += get_vlc2(gb, vlc_scalefactors.table, 7, 3) - 60; + if(offset[0] > 255U) { + av_log(ac->avccontext, AV_LOG_ERROR, + "%s (%d) out of range.\n", sf_str[0], offset[0]); + return -1; + } + sf[idx] = -ff_aac_pow2sf_tab[ offset[0] + sf_offset]; + sf[idx] *= mix_gain; + } + } + } + } + return 0; +} + +/** + * Decode pulse data; reference: table 4.7. + */ +static void decode_pulses(Pulse * pulse, GetBitContext * gb) { + int i; + pulse->num_pulse = get_bits(gb, 2) + 1; + pulse->start = get_bits(gb, 6); + for (i = 0; i < pulse->num_pulse; i++) { + pulse->offset[i] = get_bits(gb, 5); + pulse->amp [i] = get_bits(gb, 4); + } +} + +/** + * Add pulses with particular amplitudes to the quantized spectral data; reference: 4.6.3.3. + * * @param pulse pointer to pulse data struct * @param icoef array of quantized spectral data */ @@ -213,18 +329,97 @@ static void add_pulses(int icoef[1024], const Pulse * pulse, const IndividualCha } } +/** + * Parse Spectral Band Replication extension data; reference: table 4.55. + * + * @param crc flag indicating the presence of CRC checksum + * @param cnt length of TYPE_FIL syntactic element in bytes + * @return Returns number of bytes consumed from the TYPE_FIL element. + */ +static int decode_sbr_extension(AACContext * ac, GetBitContext * gb, int crc, int cnt) { + // TODO : sbr_extension implementation + av_log(ac->avccontext, AV_LOG_DEBUG, "aac: SBR not yet supported.\n"); + skip_bits_long(gb, 8*cnt - 4); // -4 due to reading extension type + return cnt; +} + + int crc_flag = 0; + int res = cnt; + switch (get_bits(gb, 4)) { // extension type + case EXT_SBR_DATA_CRC: + crc_flag++; + case EXT_SBR_DATA: + res = decode_sbr_extension(ac, gb, crc_flag, cnt); + break; + case EXT_DYNAMIC_RANGE: + res = decode_dynamic_range(&ac->che_drc, gb, cnt); + break; + case EXT_FILL: + case EXT_FILL_DATA: + case EXT_DATA_ELEMENT: + default: + skip_bits_long(gb, 8*cnt - 4); + break; + }; + return res; +} + +/** + * Apply dependent channel coupling (applied before IMDCT). + * + * @param index index into coupling gain array + */ +static void apply_dependent_coupling(AACContext * ac, SingleChannelElement * sce, ChannelElement * cc, int index) { + IndividualChannelStream * ics = &cc->ch[0].ics; + const uint16_t * offsets = ics->swb_offset; + float * dest = sce->coeffs; + const float * src = cc->ch[0].coeffs; + int g, i, group, k, idx = 0; + if(ac->m4ac.object_type == AOT_AAC_LTP) { + av_log(ac->avccontext, AV_LOG_ERROR, + "Dependent coupling is not supported together with LTP\n"); + return; + } + for (g = 0; g < ics->num_window_groups; g++) { + for (i = 0; i < ics->max_sfb; i++, idx++) { + if (cc->ch[0].band_type[idx] != ZERO_BT) { + float gain = cc->coup.gain[index][idx] * sce->mixing_gain; + for (group = 0; group < ics->group_len[g]; group++) { + for (k = offsets[i]; k < offsets[i+1]; k++) { + // XXX dsputil-ize + dest[group*128+k] += gain * src[group*128+k]; + } + } + } + } + dest += ics->group_len[g]*128; + src += ics->group_len[g]*128; + } +} + +/** + * Apply independent channel coupling (applied after IMDCT). + * + * @param index index into coupling gain array + */ +static void apply_independent_coupling(AACContext * ac, SingleChannelElement * sce, ChannelElement * cc, int index) { + int i; + float gain = cc->coup.gain[index][0] * sce->mixing_gain; + for (i = 0; i < 1024; i++) + sce->ret[i] += gain * (cc->ch[0].ret[i] - ac->add_bias); +} + static av_cold int aac_decode_close(AVCodecContext * avccontext) { AACContext * ac = avccontext->priv_data; int i, j; - for (i = 0; i < MAX_TAGID; i++) { + for (i = 0; i < MAX_ELEM_ID; i++) { for(j = 0; j < 4; j++) av_freep(&ac->che[j][i]); } ff_mdct_end(&ac->mdct); ff_mdct_end(&ac->mdct_small); - av_freep(&ac->interleaved_output); return 0 ; } @@ -238,4 +433,5 @@ AVCodec aac_decoder = { aac_decode_close, aac_decode_frame, .long_name = NULL_IF_CONFIG_SMALL("Advanced Audio Coding"), + .sample_fmts = (enum SampleFormat[]){SAMPLE_FMT_S16,SAMPLE_FMT_NONE}, }; diff --git a/libavcodec/aac.h b/libavcodec/aac.h index 164362f7da..ebf2218c8a 100644 --- a/libavcodec/aac.h +++ b/libavcodec/aac.h @@ -42,8 +42,49 @@ ff_aac_spectral_codes[num], sizeof(ff_aac_spectral_codes[num][0]), sizeof(ff_aac_spectral_codes[num][0]), \ size); +#define MAX_CHANNELS 64 + #define IVQUANT_SIZE 1024 +enum AudioObjectType { + AOT_NULL, + // Support? Name + AOT_AAC_MAIN, ///< Y Main + AOT_AAC_LC, ///< Y Low Complexity + AOT_AAC_SSR, ///< N (code in SoC repo) Scalable Sample Rate + AOT_AAC_LTP, ///< N (code in SoC repo) Long Term Prediction + AOT_SBR, ///< N (in progress) Spectral Band Replication + AOT_AAC_SCALABLE, ///< N Scalable + AOT_TWINVQ, ///< N Twin Vector Quantizer + AOT_CELP, ///< N Code Excited Linear Prediction + AOT_HVXC, ///< N Harmonic Vector eXcitation Coding + AOT_TTSI = 12, ///< N Text-To-Speech Interface + AOT_MAINSYNTH, ///< N Main Synthesis + AOT_WAVESYNTH, ///< N Wavetable Synthesis + AOT_MIDI, ///< N General MIDI + AOT_SAFX, ///< N Algorithmic Synthesis and Audio Effects + AOT_ER_AAC_LC, ///< N Error Resilient Low Complexity + AOT_ER_AAC_LTP = 19, ///< N Error Resilient Long Term Prediction + AOT_ER_AAC_SCALABLE, ///< N Error Resilient Scalable + AOT_ER_TWINVQ, ///< N Error Resilient Twin Vector Quantizer + AOT_ER_BSAC, ///< N Error Resilient Bit-Sliced Arithmetic Coding + AOT_ER_AAC_LD, ///< N Error Resilient Low Delay + AOT_ER_CELP, ///< N Error Resilient Code Excited Linear Prediction + AOT_ER_HVXC, ///< N Error Resilient Harmonic Vector eXcitation Coding + AOT_ER_HILN, ///< N Error Resilient Harmonic and Individual Lines plus Noise + AOT_ER_PARAM, ///< N Error Resilient Parametric + AOT_SSC, ///< N SinuSoidal Coding +}; + +enum ExtensionPayloadID { + EXT_FILL, + EXT_FILL_DATA, + EXT_DATA_ELEMENT, + EXT_DYNAMIC_RANGE = 0xb, + EXT_SBR_DATA = 0xd, + EXT_SBR_DATA_CRC = 0xe, +}; + enum WindowSequence { ONLY_LONG_SEQUENCE, LONG_START_SEQUENCE, @@ -51,7 +92,18 @@ enum WindowSequence { LONG_STOP_SEQUENCE, }; -enum ChannelType { +enum BandType { + ZERO_BT = 0, ///< Scalefactors and spectral data are all zero. + FIRST_PAIR_BT = 5, ///< This and later band types encode two values (rather than four) with one code word. + ESC_BT = 11, ///< Spectral data are coded with an escape sequence. + NOISE_BT = 13, ///< Spectral data are scaled white noise not coded in the bitstream. + INTENSITY_BT2 = 14, ///< Scalefactor data are intensity stereo positions. + INTENSITY_BT = 15, ///< Scalefactor data are intensity stereo positions. +}; + +#define IS_CODEBOOK_UNSIGNED(x) ((x - 1) & 10) + +enum ChannelPosition { AAC_CHANNEL_FRONT = 1, AAC_CHANNEL_SIDE = 2, AAC_CHANNEL_BACK = 3, @@ -59,12 +111,33 @@ enum ChannelType { AAC_CHANNEL_CC = 5, }; +typedef struct { + int num_pulse; + int start; + int offset[4]; + int amp[4]; +} Pulse; + +/** + * coupling parameters + */ +typedef struct { + /** * main AAC context */ typedef struct { AVCodecContext * avccontext; + MPEG4AudioConfig m4ac; + + int is_saved; ///< Set if elements have stored overlap from previous frame. + DynamicRangeControl che_drc; + + enum ChannelPosition che_pos[4][MAX_ELEM_ID]; /**< channel element channel mapping with the + * first index as the first 4 raw data block types + */ + /** * @defgroup tables Computed / set up during initialization. * @{ @@ -75,9 +148,10 @@ typedef struct { /** @} */ /** - * @defgroup output Members used for output interleaving and down-mixing. + * @defgroup output Members used for output interleaving. * @{ */ + float *output_data[MAX_CHANNELS]; ///< Points to each element's 'ret' buffer (PCM output). float add_bias; ///< offset for dsp.float_to_int16 float sf_scale; ///< Pre-scale for correct IMDCT and dsp.float_to_int16. int sf_offset; ///< offset into pow2sf_tab as appropriate for dsp.float_to_int16 diff --git a/libavcodec/aacdectab.h b/libavcodec/aacdectab.h new file mode 100644 index 0000000000..b7a9787a30 --- /dev/null +++ b/libavcodec/aacdectab.h @@ -0,0 +1,159 @@ +/* + * AAC decoder data + * Copyright (c) 2005-2006 Oded Shimon ( ods15 ods15 dyndns org ) + * Copyright (c) 2006-2007 Maxim Gavrilov ( maxim.gavrilov gmail com ) + * + * 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 aacdectab.h + * AAC decoder data + * @author Oded Shimon ( ods15 ods15 dyndns org ) + * @author Maxim Gavrilov ( maxim.gavrilov gmail com ) + */ + +#ifndef FFMPEG_AACDECTAB_H +#define FFMPEG_AACDECTAB_H + +#include "aac.h" + +#include + +/* @name swb_offsets + * Sample offset into the window indicating the beginning of a scalefactor + * window band + * + * scalefactor window band - term for scalefactor bands within a window, + * given in Table 4.110 to Table 4.128. + * + * scalefactor band - a set of spectral coefficients which are scaled by one + * scalefactor. In case of EIGHT_SHORT_SEQUENCE and grouping a scalefactor band + * may contain several scalefactor window bands of corresponding frequency. For + * all other window_sequences scalefactor bands and scalefactor window bands are + * identical. + * @{ + */ + +static const uint16_t swb_offset_1024_96[] = { + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 64, + 72, 80, 88, 96, 108, 120, 132, 144, + 156, 172, 188, 212, 240, 276, 320, 384, + 448, 512, 576, 640, 704, 768, 832, 896, + 960, 1024 +}; + +static const uint16_t swb_offset_128_96[] = { + 0, 4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 128 +}; + +static const uint16_t swb_offset_1024_64[] = { + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 64, + 72, 80, 88, 100, 112, 124, 140, 156, + 172, 192, 216, 240, 268, 304, 344, 384, + 424, 464, 504, 544, 584, 624, 664, 704, + 744, 784, 824, 864, 904, 944, 984, 1024 +}; + +static const uint16_t swb_offset_1024_48[] = { + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 48, 56, 64, 72, 80, + 88, 96, 108, 120, 132, 144, 160, 176, + 196, 216, 240, 264, 292, 320, 352, 384, + 416, 448, 480, 512, 544, 576, 608, 640, + 672, 704, 736, 768, 800, 832, 864, 896, + 928, 1024 +}; + +static const uint16_t swb_offset_128_48[] = { + 0, 4, 8, 12, 16, 20, 28, 36, + 44, 56, 68, 80, 96, 112, 128 +}; + +static const uint16_t swb_offset_1024_32[] = { + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 48, 56, 64, 72, 80, + 88, 96, 108, 120, 132, 144, 160, 176, + 196, 216, 240, 264, 292, 320, 352, 384, + 416, 448, 480, 512, 544, 576, 608, 640, + 672, 704, 736, 768, 800, 832, 864, 896, + 928, 960, 992, 1024 +}; + +static const uint16_t swb_offset_1024_24[] = { + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 52, 60, 68, 76, + 84, 92, 100, 108, 116, 124, 136, 148, + 160, 172, 188, 204, 220, 240, 260, 284, + 308, 336, 364, 396, 432, 468, 508, 552, + 600, 652, 704, 768, 832, 896, 960, 1024 +}; + +static const uint16_t swb_offset_128_24[] = { + 0, 4, 8, 12, 16, 20, 24, 28, + 36, 44, 52, 64, 76, 92, 108, 128 +}; + +static const uint16_t swb_offset_1024_16[] = { + 0, 8, 16, 24, 32, 40, 48, 56, + 64, 72, 80, 88, 100, 112, 124, 136, + 148, 160, 172, 184, 196, 212, 228, 244, + 260, 280, 300, 320, 344, 368, 396, 424, + 456, 492, 532, 572, 616, 664, 716, 772, + 832, 896, 960, 1024 +}; + +static const uint16_t swb_offset_128_16[] = { + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 40, 48, 60, 72, 88, 108, 128 +}; + +static const uint16_t swb_offset_1024_8[] = { + 0, 12, 24, 36, 48, 60, 72, 84, + 96, 108, 120, 132, 144, 156, 172, 188, + 204, 220, 236, 252, 268, 288, 308, 328, + 348, 372, 396, 420, 448, 476, 508, 544, + 580, 620, 664, 712, 764, 820, 880, 944, + 1024 +}; + +static const uint16_t swb_offset_128_8[] = { + 0, 4, 8, 12, 16, 20, 24, 28, + 36, 44, 52, 60, 72, 88, 108, 128 +}; + +static const uint16_t *swb_offset_1024[] = { + swb_offset_1024_96, swb_offset_1024_96, swb_offset_1024_64, + swb_offset_1024_48, swb_offset_1024_48, swb_offset_1024_32, + swb_offset_1024_24, swb_offset_1024_24, swb_offset_1024_16, + swb_offset_1024_16, swb_offset_1024_16, swb_offset_1024_8 +}; + +static const uint16_t *swb_offset_128[] = { + /* The last entry on the following row is swb_offset_128_64 but is a + duplicate of swb_offset_128_96. */ + swb_offset_128_96, swb_offset_128_96, swb_offset_128_96, + swb_offset_128_48, swb_offset_128_48, swb_offset_128_48, + swb_offset_128_24, swb_offset_128_24, swb_offset_128_16, + swb_offset_128_16, swb_offset_128_16, swb_offset_128_8 +}; + +// @} + +#endif /* FFMPEG_AACDECTAB_H */ diff --git a/libavcodec/aactab.c b/libavcodec/aactab.c index c11c63326e..a404567eea 100644 --- a/libavcodec/aactab.c +++ b/libavcodec/aactab.c @@ -27,6 +27,7 @@ * @author Maxim Gavrilov ( maxim.gavrilov gmail com ) */ +#include "libavutil/mem.h" #include "aac.h" #include @@ -795,4 +796,86 @@ const float ff_aac_ivquant_tab[IVQUANT_SIZE] = { 4064.0312908, 4074.6805676, 4085.3368071, 4096.0000000, }; +const float ff_aac_pow2sf_tab[316] = { + 8.88178420e-16, 1.05622810e-15, 1.25607397e-15, 1.49373210e-15, + 1.77635684e-15, 2.11245619e-15, 2.51214793e-15, 2.98746420e-15, + 3.55271368e-15, 4.22491238e-15, 5.02429587e-15, 5.97492839e-15, + 7.10542736e-15, 8.44982477e-15, 1.00485917e-14, 1.19498568e-14, + 1.42108547e-14, 1.68996495e-14, 2.00971835e-14, 2.38997136e-14, + 2.84217094e-14, 3.37992991e-14, 4.01943669e-14, 4.77994272e-14, + 5.68434189e-14, 6.75985982e-14, 8.03887339e-14, 9.55988543e-14, + 1.13686838e-13, 1.35197196e-13, 1.60777468e-13, 1.91197709e-13, + 2.27373675e-13, 2.70394393e-13, 3.21554936e-13, 3.82395417e-13, + 4.54747351e-13, 5.40788785e-13, 6.43109871e-13, 7.64790834e-13, + 9.09494702e-13, 1.08157757e-12, 1.28621974e-12, 1.52958167e-12, + 1.81898940e-12, 2.16315514e-12, 2.57243948e-12, 3.05916334e-12, + 3.63797881e-12, 4.32631028e-12, 5.14487897e-12, 6.11832668e-12, + 7.27595761e-12, 8.65262056e-12, 1.02897579e-11, 1.22366534e-11, + 1.45519152e-11, 1.73052411e-11, 2.05795159e-11, 2.44733067e-11, + 2.91038305e-11, 3.46104823e-11, 4.11590317e-11, 4.89466134e-11, + 5.82076609e-11, 6.92209645e-11, 8.23180635e-11, 9.78932268e-11, + 1.16415322e-10, 1.38441929e-10, 1.64636127e-10, 1.95786454e-10, + 2.32830644e-10, 2.76883858e-10, 3.29272254e-10, 3.91572907e-10, + 4.65661287e-10, 5.53767716e-10, 6.58544508e-10, 7.83145814e-10, + 9.31322575e-10, 1.10753543e-09, 1.31708902e-09, 1.56629163e-09, + 1.86264515e-09, 2.21507086e-09, 2.63417803e-09, 3.13258326e-09, + 3.72529030e-09, 4.43014173e-09, 5.26835606e-09, 6.26516652e-09, + 7.45058060e-09, 8.86028346e-09, 1.05367121e-08, 1.25303330e-08, + 1.49011612e-08, 1.77205669e-08, 2.10734243e-08, 2.50606661e-08, + 2.98023224e-08, 3.54411338e-08, 4.21468485e-08, 5.01213321e-08, + 5.96046448e-08, 7.08822677e-08, 8.42936970e-08, 1.00242664e-07, + 1.19209290e-07, 1.41764535e-07, 1.68587394e-07, 2.00485328e-07, + 2.38418579e-07, 2.83529071e-07, 3.37174788e-07, 4.00970657e-07, + 4.76837158e-07, 5.67058141e-07, 6.74349576e-07, 8.01941314e-07, + 9.53674316e-07, 1.13411628e-06, 1.34869915e-06, 1.60388263e-06, + 1.90734863e-06, 2.26823256e-06, 2.69739830e-06, 3.20776526e-06, + 3.81469727e-06, 4.53646513e-06, 5.39479661e-06, 6.41553051e-06, + 7.62939453e-06, 9.07293026e-06, 1.07895932e-05, 1.28310610e-05, + 1.52587891e-05, 1.81458605e-05, 2.15791864e-05, 2.56621220e-05, + 3.05175781e-05, 3.62917210e-05, 4.31583729e-05, 5.13242441e-05, + 6.10351562e-05, 7.25834421e-05, 8.63167458e-05, 1.02648488e-04, + 1.22070312e-04, 1.45166884e-04, 1.72633492e-04, 2.05296976e-04, + 2.44140625e-04, 2.90333768e-04, 3.45266983e-04, 4.10593953e-04, + 4.88281250e-04, 5.80667537e-04, 6.90533966e-04, 8.21187906e-04, + 9.76562500e-04, 1.16133507e-03, 1.38106793e-03, 1.64237581e-03, + 1.95312500e-03, 2.32267015e-03, 2.76213586e-03, 3.28475162e-03, + 3.90625000e-03, 4.64534029e-03, 5.52427173e-03, 6.56950324e-03, + 7.81250000e-03, 9.29068059e-03, 1.10485435e-02, 1.31390065e-02, + 1.56250000e-02, 1.85813612e-02, 2.20970869e-02, 2.62780130e-02, + 3.12500000e-02, 3.71627223e-02, 4.41941738e-02, 5.25560260e-02, + 6.25000000e-02, 7.43254447e-02, 8.83883476e-02, 1.05112052e-01, + 1.25000000e-01, 1.48650889e-01, 1.76776695e-01, 2.10224104e-01, + 2.50000000e-01, 2.97301779e-01, 3.53553391e-01, 4.20448208e-01, + 5.00000000e-01, 5.94603558e-01, 7.07106781e-01, 8.40896415e-01, + 1.00000000e+00, 1.18920712e+00, 1.41421356e+00, 1.68179283e+00, + 2.00000000e+00, 2.37841423e+00, 2.82842712e+00, 3.36358566e+00, + 4.00000000e+00, 4.75682846e+00, 5.65685425e+00, 6.72717132e+00, + 8.00000000e+00, 9.51365692e+00, 1.13137085e+01, 1.34543426e+01, + 1.60000000e+01, 1.90273138e+01, 2.26274170e+01, 2.69086853e+01, + 3.20000000e+01, 3.80546277e+01, 4.52548340e+01, 5.38173706e+01, + 6.40000000e+01, 7.61092554e+01, 9.05096680e+01, 1.07634741e+02, + 1.28000000e+02, 1.52218511e+02, 1.81019336e+02, 2.15269482e+02, + 2.56000000e+02, 3.04437021e+02, 3.62038672e+02, 4.30538965e+02, + 5.12000000e+02, 6.08874043e+02, 7.24077344e+02, 8.61077929e+02, + 1.02400000e+03, 1.21774809e+03, 1.44815469e+03, 1.72215586e+03, + 2.04800000e+03, 2.43549617e+03, 2.89630938e+03, 3.44431172e+03, + 4.09600000e+03, 4.87099234e+03, 5.79261875e+03, 6.88862343e+03, + 8.19200000e+03, 9.74198469e+03, 1.15852375e+04, 1.37772469e+04, + 1.63840000e+04, 1.94839694e+04, 2.31704750e+04, 2.75544937e+04, + 3.27680000e+04, 3.89679387e+04, 4.63409500e+04, 5.51089875e+04, + 6.55360000e+04, 7.79358775e+04, 9.26819000e+04, 1.10217975e+05, + 1.31072000e+05, 1.55871755e+05, 1.85363800e+05, 2.20435950e+05, + 2.62144000e+05, 3.11743510e+05, 3.70727600e+05, 4.40871900e+05, + 5.24288000e+05, 6.23487020e+05, 7.41455200e+05, 8.81743800e+05, + 1.04857600e+06, 1.24697404e+06, 1.48291040e+06, 1.76348760e+06, + 2.09715200e+06, 2.49394808e+06, 2.96582080e+06, 3.52697520e+06, + 4.19430400e+06, 4.98789616e+06, 5.93164160e+06, 7.05395040e+06, + 8.38860800e+06, 9.97579232e+06, 1.18632832e+07, 1.41079008e+07, + 1.67772160e+07, 1.99515846e+07, 2.37265664e+07, 2.82158016e+07, + 3.35544320e+07, 3.99031693e+07, 4.74531328e+07, 5.64316032e+07, + 6.71088640e+07, 7.98063385e+07, 9.49062656e+07, 1.12863206e+08, + 1.34217728e+08, 1.59612677e+08, 1.89812531e+08, 2.25726413e+08, + 2.68435456e+08, 3.19225354e+08, 3.79625062e+08, 4.51452825e+08, +}; + #endif /* CONFIG_HARDCODED_TABLES */ diff --git a/libavcodec/aactab.h b/libavcodec/aactab.h index e900517be6..e7f14e6ed6 100644 --- a/libavcodec/aactab.h +++ b/libavcodec/aactab.h @@ -30,6 +30,7 @@ #ifndef FFMPEG_AACTAB_H #define FFMPEG_AACTAB_H +#include "libavutil/mem.h" #include "aac.h" #include @@ -45,6 +46,7 @@ extern const int8_t *ff_aac_codebook_vectors[]; #ifdef CONFIG_HARDCODED_TABLES extern const float ff_aac_ivquant_tab[IVQUANT_SIZE]; +extern const float ff_aac_pow2sf_tab[316]; #endif /* CONFIG_HARDCODED_TABLES */ #endif /* FFMPEG_AACTAB_H */