diff options
author | Kostya Shishkov <kostya.shishkov@gmail.com> | 2007-11-07 05:35:46 +0000 |
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committer | Kostya Shishkov <kostya.shishkov@gmail.com> | 2007-11-07 05:35:46 +0000 |
commit | 12877faf7c3af83d60dc185cf78f0ee5a3c0f67d (patch) | |
tree | d367af51d377bf18d3fd4fdf67f022d1b59dd8c9 | |
parent | c0a8500015890af5478f11e130a35587e8eee731 (diff) | |
download | ffmpeg-12877faf7c3af83d60dc185cf78f0ee5a3c0f67d.tar.gz |
Musepack SV8 demuxer and decoder
Originally committed as revision 10938 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r-- | doc/general.texi | 2 | ||||
-rw-r--r-- | libavcodec/Makefile | 1 | ||||
-rw-r--r-- | libavcodec/allcodecs.c | 1 | ||||
-rw-r--r-- | libavcodec/avcodec.h | 5 | ||||
-rw-r--r-- | libavcodec/mpc8.c | 364 | ||||
-rw-r--r-- | libavcodec/mpc8data.h | 121 | ||||
-rw-r--r-- | libavcodec/mpc8huff.h | 578 | ||||
-rw-r--r-- | libavformat/Makefile | 1 | ||||
-rw-r--r-- | libavformat/allformats.c | 1 | ||||
-rw-r--r-- | libavformat/avformat.h | 4 | ||||
-rw-r--r-- | libavformat/mpc8.c | 244 |
11 files changed, 1317 insertions, 5 deletions
diff --git a/doc/general.texi b/doc/general.texi index cd0f7e7455..4ff292181f 100644 --- a/doc/general.texi +++ b/doc/general.texi @@ -314,7 +314,7 @@ following image formats are supported: @tab Codec used in Delphine Software games. @item Intel Music Coder @tab @tab X @item Musepack @tab @tab X -@tab Only SV7 is supported +@tab SV7 and SV8 are supported @item DT$ Coherent Audio @tab @tab X @item ATRAC 3 @tab @tab X @item Monkey's Audio @tab @tab X @tab Only versions 3.97-3.99 are supported diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 0265506327..dcd837d5ed 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -115,6 +115,7 @@ OBJS-$(CONFIG_MP3_DECODER) += mpegaudiodec.o mpegaudiodecheader.o mp OBJS-$(CONFIG_MP3ADU_DECODER) += mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o OBJS-$(CONFIG_MP3ON4_DECODER) += mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o OBJS-$(CONFIG_MPC7_DECODER) += mpc7.o mpc.o mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o +OBJS-$(CONFIG_MPC8_DECODER) += mpc8.o mpc.o mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o OBJS-$(CONFIG_MPEG1VIDEO_ENCODER) += mpeg12enc.o mpeg12data.o mpegvideo_enc.o motion_est.o ratecontrol.o OBJS-$(CONFIG_MPEG2VIDEO_ENCODER) += mpeg12enc.o mpeg12data.o mpegvideo_enc.o motion_est.o ratecontrol.o OBJS-$(CONFIG_MPEG4_DECODER) += h263dec.o h263.o diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c index 7813cf3914..bb1c293baa 100644 --- a/libavcodec/allcodecs.c +++ b/libavcodec/allcodecs.c @@ -187,6 +187,7 @@ void avcodec_register_all(void) REGISTER_DECODER (MP3ADU, mp3adu); REGISTER_DECODER (MP3ON4, mp3on4); REGISTER_DECODER (MPC7, mpc7); + REGISTER_DECODER (MPC8, mpc8); REGISTER_DECODER (NELLYMOSER, nellymoser); REGISTER_DECODER (QDM2, qdm2); REGISTER_DECODER (RA_144, ra_144); diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 202f9e8aa1..a1ee6691af 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -33,8 +33,8 @@ #define AV_STRINGIFY(s) AV_TOSTRING(s) #define AV_TOSTRING(s) #s -#define LIBAVCODEC_VERSION_INT ((51<<16)+(47<<8)+2) -#define LIBAVCODEC_VERSION 51.47.2 +#define LIBAVCODEC_VERSION_INT ((51<<16)+(48<<8)+0) +#define LIBAVCODEC_VERSION 51.48.0 #define LIBAVCODEC_BUILD LIBAVCODEC_VERSION_INT #define LIBAVCODEC_IDENT "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION) @@ -272,6 +272,7 @@ enum CodecID { CODEC_ID_VOXWARE, CODEC_ID_APE, CODEC_ID_NELLYMOSER, + CODEC_ID_MUSEPACK8, /* subtitle codecs */ CODEC_ID_DVD_SUBTITLE= 0x17000, diff --git a/libavcodec/mpc8.c b/libavcodec/mpc8.c new file mode 100644 index 0000000000..c6c62f6611 --- /dev/null +++ b/libavcodec/mpc8.c @@ -0,0 +1,364 @@ +/* + * Musepack SV8 decoder + * Copyright (c) 2007 Konstantin Shishkov + * + * 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 mpc8.c Musepack SV8 decoder + * MPEG Audio Layer 1/2 -like codec with frames of 1152 samples + * divided into 32 subbands. + */ + +#include "avcodec.h" +#include "bitstream.h" +#include "dsputil.h" +#include "random.h" + +#ifdef CONFIG_MPEGAUDIO_HP +#define USE_HIGHPRECISION +#endif +#include "mpegaudio.h" + +#include "mpc.h" +#include "mpcdata.h" +#include "mpc8data.h" +#include "mpc8huff.h" + +static VLC band_vlc, scfi_vlc[2], dscf_vlc[2], res_vlc[2]; +static VLC q1_vlc, q2_vlc[2], q3_vlc[2], quant_vlc[4][2], q9up_vlc; + +static const int q3_offsets[2] = { MPC8_Q3_OFFSET, MPC8_Q4_OFFSET }; +static const int quant_offsets[6] = { MPC8_Q5_OFFSET, MPC8_Q6_OFFSET, MPC8_Q7_OFFSET, MPC8_Q8_OFFSET }; + +static inline int mpc8_dec_base(GetBitContext *gb, int k, int n) +{ + int code = get_bits(gb, mpc8_cnk_len[k-1][n-1] - 1); + + if (code >= mpc8_cnk_lost[k-1][n-1]) + code = ((code << 1) | get_bits1(gb)) - mpc8_cnk_lost[k-1][n-1]; + + return code; +} + +static inline int mpc8_dec_enum(GetBitContext *gb, int k, int n) +{ + int bits = 0; + const uint32_t * C = mpc8_cnk[k-1]; + int code = mpc8_dec_base(gb, k, n); + + do { + n--; + if (code >= C[n]) { + bits |= 1 << n; + code -= C[n]; + C -= 32; + k--; + } + } while(k > 0); + + return bits; +} + +static inline int mpc8_get_mod_golomb(GetBitContext *gb, int m) +{ + if(mpc8_cnk_len[0][m] < 1) return 0; + return mpc8_dec_base(gb, 1, m+1); +} + +static int mpc8_get_mask(GetBitContext *gb, int size, int t) +{ + int mask = 0; + + if(t && t != size) + mask = mpc8_dec_enum(gb, FFMIN(t, size - t), size); + if((t << 1) > size) mask = ~mask; + + return mask; +} + +static int mpc8_decode_init(AVCodecContext * avctx) +{ + int i; + MPCContext *c = avctx->priv_data; + GetBitContext gb; + static int vlc_inited = 0; + + if(avctx->extradata_size < 2){ + av_log(avctx, AV_LOG_ERROR, "Too small extradata size (%i)!\n", avctx->extradata_size); + return -1; + } + memset(c->oldDSCF, 0, sizeof(c->oldDSCF)); + av_init_random(0xDEADBEEF, &c->rnd); + dsputil_init(&c->dsp, avctx); + + ff_mpc_init(); + + init_get_bits(&gb, avctx->extradata, 16); + + skip_bits(&gb, 3);//sample rate + c->maxbands = get_bits(&gb, 5) + 1; + skip_bits(&gb, 4);//channels + c->MSS = get_bits1(&gb); + c->frames = 1 << (get_bits(&gb, 3) * 2); + + if(vlc_inited) return 0; + av_log(avctx, AV_LOG_DEBUG, "Initing VLC\n"); + + init_vlc(&band_vlc, MPC8_BANDS_BITS, MPC8_BANDS_SIZE, + mpc8_bands_bits, 1, 1, + mpc8_bands_codes, 1, 1, INIT_VLC_USE_STATIC); + + init_vlc(&q1_vlc, MPC8_Q1_BITS, MPC8_Q1_SIZE, + mpc8_q1_bits, 1, 1, + mpc8_q1_codes, 1, 1, INIT_VLC_USE_STATIC); + init_vlc(&q9up_vlc, MPC8_Q9UP_BITS, MPC8_Q9UP_SIZE, + mpc8_q9up_bits, 1, 1, + mpc8_q9up_codes, 1, 1, INIT_VLC_USE_STATIC); + + init_vlc(&scfi_vlc[0], MPC8_SCFI0_BITS, MPC8_SCFI0_SIZE, + mpc8_scfi0_bits, 1, 1, + mpc8_scfi0_codes, 1, 1, INIT_VLC_USE_STATIC); + init_vlc(&scfi_vlc[1], MPC8_SCFI1_BITS, MPC8_SCFI1_SIZE, + mpc8_scfi1_bits, 1, 1, + mpc8_scfi1_codes, 1, 1, INIT_VLC_USE_STATIC); + + init_vlc(&dscf_vlc[0], MPC8_DSCF0_BITS, MPC8_DSCF0_SIZE, + mpc8_dscf0_bits, 1, 1, + mpc8_dscf0_codes, 1, 1, INIT_VLC_USE_STATIC); + init_vlc(&dscf_vlc[1], MPC8_DSCF1_BITS, MPC8_DSCF1_SIZE, + mpc8_dscf1_bits, 1, 1, + mpc8_dscf1_codes, 1, 1, INIT_VLC_USE_STATIC); + + init_vlc_sparse(&q3_vlc[0], MPC8_Q3_BITS, MPC8_Q3_SIZE, + mpc8_q3_bits, 1, 1, + mpc8_q3_codes, 1, 1, + mpc8_q3_syms, 1, 1, INIT_VLC_USE_STATIC); + init_vlc_sparse(&q3_vlc[1], MPC8_Q4_BITS, MPC8_Q4_SIZE, + mpc8_q4_bits, 1, 1, + mpc8_q4_codes, 1, 1, + mpc8_q4_syms, 1, 1, INIT_VLC_USE_STATIC); + + for(i = 0; i < 2; i++){ + init_vlc(&res_vlc[i], MPC8_RES_BITS, MPC8_RES_SIZE, + &mpc8_res_bits[i], 1, 1, + &mpc8_res_codes[i], 1, 1, INIT_VLC_USE_STATIC); + + init_vlc(&q2_vlc[i], MPC8_Q2_BITS, MPC8_Q2_SIZE, + &mpc8_q2_bits[i], 1, 1, + &mpc8_q2_codes[i], 1, 1, INIT_VLC_USE_STATIC); + + init_vlc(&quant_vlc[0][i], MPC8_Q5_BITS, MPC8_Q5_SIZE, + &mpc8_q5_bits[i], 1, 1, + &mpc8_q5_codes[i], 1, 1, INIT_VLC_USE_STATIC); + init_vlc(&quant_vlc[1][i], MPC8_Q6_BITS, MPC8_Q6_SIZE, + &mpc8_q6_bits[i], 1, 1, + &mpc8_q6_codes[i], 1, 1, INIT_VLC_USE_STATIC); + init_vlc(&quant_vlc[2][i], MPC8_Q7_BITS, MPC8_Q7_SIZE, + &mpc8_q7_bits[i], 1, 1, + &mpc8_q7_codes[i], 1, 1, INIT_VLC_USE_STATIC); + init_vlc(&quant_vlc[3][i], MPC8_Q8_BITS, MPC8_Q8_SIZE, + &mpc8_q8_bits[i], 1, 1, + &mpc8_q8_codes[i], 1, 1, INIT_VLC_USE_STATIC); + } + vlc_inited = 1; + return 0; +} + +static int mpc8_decode_frame(AVCodecContext * avctx, + void *data, int *data_size, + uint8_t * buf, int buf_size) +{ + MPCContext *c = avctx->priv_data; + GetBitContext gb2, *gb = &gb2; + int i, j, k, ch, cnt, res, t; + Band *bands = c->bands; + int off; + int maxband, keyframe; + int last[2]; + + keyframe = c->cur_frame == 0; + + if(keyframe){ + memset(c->Q, 0, sizeof(c->Q)); + c->last_bits_used = 0; + } + init_get_bits(gb, buf, buf_size * 8); + skip_bits(gb, c->last_bits_used & 7); + + if(keyframe) + maxband = mpc8_get_mod_golomb(gb, c->maxbands + 1); + else{ + maxband = c->last_max_band + get_vlc2(gb, band_vlc.table, MPC8_BANDS_BITS, 2); + if(maxband > 32) maxband -= 33; + } + c->last_max_band = maxband; + + /* read subband indexes */ + if(maxband){ + last[0] = last[1] = 0; + for(i = maxband - 1; i >= 0; i--){ + for(ch = 0; ch < 2; ch++){ + last[ch] = get_vlc2(gb, res_vlc[last[ch] > 2].table, MPC8_RES_BITS, 2) + last[ch]; + if(last[ch] > 15) last[ch] -= 17; + bands[i].res[ch] = last[ch]; + } + } + if(c->MSS){ + int mask; + + cnt = 0; + for(i = 0; i < maxband; i++) + if(bands[i].res[0] || bands[i].res[1]) + cnt++; + t = mpc8_get_mod_golomb(gb, cnt); + mask = mpc8_get_mask(gb, cnt, t); + for(i = maxband - 1; i >= 0; i--) + if(bands[i].res[0] || bands[i].res[1]){ + bands[i].msf = mask & 1; + mask >>= 1; + } + } + } + for(i = maxband; i < c->maxbands; i++) + bands[i].res[0] = bands[i].res[1] = 0; + + if(keyframe){ + for(i = 0; i < 32; i++) + c->oldDSCF[0][i] = c->oldDSCF[1][i] = 1; + } + + for(i = 0; i < maxband; i++){ + if(bands[i].res[0] || bands[i].res[1]){ + cnt = !!bands[i].res[0] + !!bands[i].res[1] - 1; + if(cnt >= 0){ + t = get_vlc2(gb, scfi_vlc[cnt].table, scfi_vlc[cnt].bits, 1); + if(bands[i].res[0]) bands[i].scfi[0] = t >> (2 * cnt); + if(bands[i].res[1]) bands[i].scfi[1] = t & 3; + } + } + } + + for(i = 0; i < maxband; i++){ + for(ch = 0; ch < 2; ch++){ + if(!bands[i].res[ch]) continue; + + if(c->oldDSCF[ch][i]){ + bands[i].scf_idx[ch][0] = get_bits(gb, 7) - 6; + c->oldDSCF[ch][i] = 0; + }else{ + t = get_vlc2(gb, dscf_vlc[1].table, MPC8_DSCF1_BITS, 2); + if(t == 64) + t += get_bits(gb, 6); + bands[i].scf_idx[ch][0] = ((bands[i].scf_idx[ch][2] + t - 25) & 0x7F) - 6; + } + for(j = 0; j < 2; j++){ + if((bands[i].scfi[ch] << j) & 2) + bands[i].scf_idx[ch][j + 1] = bands[i].scf_idx[ch][j]; + else{ + t = get_vlc2(gb, dscf_vlc[0].table, MPC8_DSCF0_BITS, 2); + if(t == 31) + t = 64 + get_bits(gb, 6); + bands[i].scf_idx[ch][j + 1] = ((bands[i].scf_idx[ch][j] + t - 25) & 0x7F) - 6; + } + } + } + } + + for(i = 0, off = 0; i < maxband; i++, off += SAMPLES_PER_BAND){ + for(ch = 0; ch < 2; ch++){ + res = bands[i].res[ch]; + switch(res){ + case -1: + for(j = 0; j < SAMPLES_PER_BAND; j++) + c->Q[ch][off + j] = (av_random(&c->rnd) & 0x3FC) - 510; + break; + case 0: + break; + case 1: + for(j = 0; j < SAMPLES_PER_BAND; j += SAMPLES_PER_BAND / 2){ + cnt = get_vlc2(gb, q1_vlc.table, MPC8_Q1_BITS, 2); + t = mpc8_get_mask(gb, 18, cnt); + for(k = 0; k < SAMPLES_PER_BAND / 2; k++, t <<= 1) + c->Q[ch][off + j + k] = (t & 0x20000) ? (get_bits1(gb) << 1) - 1 : 0; + } + break; + case 2: + cnt = 6;//2*mpc8_thres[res] + for(j = 0; j < SAMPLES_PER_BAND; j += 3){ + t = get_vlc2(gb, q2_vlc[cnt > 3].table, MPC8_Q2_BITS, 2); + c->Q[ch][off + j + 0] = mpc8_idx50[t]; + c->Q[ch][off + j + 1] = mpc8_idx51[t]; + c->Q[ch][off + j + 2] = mpc8_idx52[t]; + cnt = (cnt >> 1) + mpc8_huffq2[t]; + } + break; + case 3: + case 4: + for(j = 0; j < SAMPLES_PER_BAND; j += 2){ + t = get_vlc2(gb, q3_vlc[res - 3].table, MPC8_Q3_BITS, 2) + q3_offsets[res - 3]; + c->Q[ch][off + j + 1] = t >> 4; + c->Q[ch][off + j + 0] = (t & 8) ? (t & 0xF) - 16 : (t & 0xF); + } + break; + case 5: + case 6: + case 7: + case 8: + cnt = 2 * mpc8_thres[res]; + for(j = 0; j < SAMPLES_PER_BAND; j++){ + t = get_vlc2(gb, quant_vlc[res - 5][cnt > mpc8_thres[res]].table, quant_vlc[res - 5][cnt > mpc8_thres[res]].bits, 2) + quant_offsets[res - 5]; + c->Q[ch][off + j] = t; + cnt = (cnt >> 1) + FFABS(c->Q[ch][off + j]); + } + break; + default: + for(j = 0; j < SAMPLES_PER_BAND; j++){ + c->Q[ch][off + j] = get_vlc2(gb, q9up_vlc.table, MPC8_Q9UP_BITS, 2); + if(res != 9){ + c->Q[ch][off + j] <<= res - 9; + c->Q[ch][off + j] |= get_bits(gb, res - 9); + } + c->Q[ch][off + j] -= (1 << (res - 2)) - 1; + } + } + } + } + + ff_mpc_dequantize_and_synth(c, maxband, data); + + c->cur_frame++; + + c->last_bits_used = get_bits_count(gb); + if(c->cur_frame >= c->frames) + c->cur_frame = 0; + *data_size = MPC_FRAME_SIZE * 4; + + return c->cur_frame ? c->last_bits_used >> 3 : buf_size; +} + +AVCodec mpc8_decoder = { + "mpc sv8", + CODEC_TYPE_AUDIO, + CODEC_ID_MUSEPACK8, + sizeof(MPCContext), + mpc8_decode_init, + NULL, + NULL, + mpc8_decode_frame, +}; diff --git a/libavcodec/mpc8data.h b/libavcodec/mpc8data.h new file mode 100644 index 0000000000..280dd6ffd0 --- /dev/null +++ b/libavcodec/mpc8data.h @@ -0,0 +1,121 @@ +/* + * Musepack SV8 decoder + * Copyright (c) 2007 Konstantin Shishkov + * + * 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 + */ + +#ifndef FFMPEG_MPC8DATA_H +#define FFMPEG_MPC8DATA_H + +#include <stdint.h> + +static const int8_t mpc8_idx50[125] = { + -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, + -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, + -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, + -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, + -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2 +}; +static const int8_t mpc8_idx51[125] = { + -2, -2, -2, -2, -2, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, + -2, -2, -2, -2, -2, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, + -2, -2, -2, -2, -2, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, + -2, -2, -2, -2, -2, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, + -2, -2, -2, -2, -2, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2 +}; +static const int8_t mpc8_idx52[125] = { + -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 +}; + +static const unsigned int mpc8_thres[] = {0, 0, 3, 0, 0, 1, 3, 4, 8}; +static const int8_t mpc8_huffq2[5*5*5] = { + 6, 5, 4, 5, 6, 5, 4, 3, 4, 5, 4, 3, 2, 3, 4, 5, 4, 3, 4, 5, 6, 5, 4, 5, + 6, 5, 4, 3, 4, 5, 4, 3, 2, 3, 4, 3, 2, 1, 2, 3, 4, 3, 2, 3, 4, 5, 4, 3, + 4, 5, 4, 3, 2, 3, 4, 3, 2, 1, 2, 3, 2, 1, 0, 1, 2, 3, 2, 1, 2, 3, 4, 3, + 2, 3, 4, 5, 4, 3, 4, 5, 4, 3, 2, 3, 4, 3, 2, 1, 2, 3, 4, 3, 2, 3, 4, 5, + 4, 3, 4, 5, 6, 5, 4, 5, 6, 5, 4, 3, 4, 5, 4, 3, 2, 3, 4, 5, 4, 3, 4, 5, + 6, 5, 4, 5, 6 +}; + + +static const uint32_t mpc8_cnk[16][32] = +{ + {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}, + {0, 0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120, 136, 153, 171, 190, 210, 231, 253, 276, 300, 325, 351, 378, 406, 435, 465}, + {0, 0, 0, 1, 4, 10, 20, 35, 56, 84, 120, 165, 220, 286, 364, 455, 560, 680, 816, 969, 1140, 1330, 1540, 1771, 2024, 2300, 2600, 2925, 3276, 3654, 4060, 4495}, + {0, 0, 0, 0, 1, 5, 15, 35, 70, 126, 210, 330, 495, 715, 1001, 1365, 1820, 2380, 3060, 3876, 4845, 5985, 7315, 8855, 10626, 12650, 14950, 17550, 20475, 23751, 27405, 31465}, + {0, 0, 0, 0, 0, 1, 6, 21, 56, 126, 252, 462, 792, 1287, 2002, 3003, 4368, 6188, 8568, 11628, 15504, 20349, 26334, 33649, 42504, 53130, 65780, 80730, 98280, 118755, 142506, 169911}, + {0, 0, 0, 0, 0, 0, 1, 7, 28, 84, 210, 462, 924, 1716, 3003, 5005, 8008, 12376, 18564, 27132, 38760, 54264, 74613, 100947, 134596, 177100, 230230, 296010, 376740, 475020, 593775, 736281}, + {0, 0, 0, 0, 0, 0, 0, 1, 8, 36, 120, 330, 792, 1716, 3432, 6435, 11440, 19448, 31824, 50388, 77520, 116280, 170544, 245157, 346104, 480700, 657800, 888030, 1184040, 1560780, 2035800, 2629575}, + {0, 0, 0, 0, 0, 0, 0, 0, 1, 9, 45, 165, 495, 1287, 3003, 6435, 12870, 24310, 43758, 75582, 125970, 203490, 319770, 490314, 735471, 1081575, 1562275, 2220075, 3108105, 4292145, 5852925, 7888725}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 10, 55, 220, 715, 2002, 5005, 11440, 24310, 48620, 92378, 167960, 293930, 497420, 817190, 1307504, 2042975, 3124550, 4686825, 6906900, 10015005, 14307150, 20160075}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 11, 66, 286, 1001, 3003, 8008, 19448, 43758, 92378, 184756, 352716, 646646, 1144066, 1961256, 3268760, 5311735, 8436285, 13123110, 20030010, 30045015, 44352165}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 12, 78, 364, 1365, 4368, 12376, 31824, 75582, 167960, 352716, 705432, 1352078, 2496144, 4457400, 7726160, 13037895, 21474180, 34597290, 54627300, 84672315}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 13, 91, 455, 1820, 6188, 18564, 50388, 125970, 293930, 646646, 1352078, 2704156, 5200300, 9657700, 17383860, 30421755, 51895935, 86493225, 141120525}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 14, 105, 560, 2380, 8568, 27132, 77520, 203490, 497420, 1144066, 2496144, 5200300, 10400600, 20058300, 37442160, 67863915, 119759850, 206253075}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 15, 120, 680, 3060, 11628, 38760, 116280, 319770, 817190, 1961256, 4457400, 9657700, 20058300, 40116600, 77558760, 145422675, 265182525}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 16, 136, 816, 3876, 15504, 54264, 170544, 490314, 1307504, 3268760, 7726160, 17383860, 37442160, 77558760, 155117520, 300540195}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 17, 153, 969, 4845, 20349, 74613, 245157, 735471, 2042975, 5311735, 13037895, 30421755, 67863915, 145422675, 300540195} +}; + +const static uint8_t mpc8_cnk_len[16][33] = +{ + {0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6}, + {0, 0, 2, 3, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0}, + {0, 0, 0, 2, 4, 5, 6, 6, 7, 7, 8, 8, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 13, 13, 0}, + {0, 0, 0, 0, 3, 4, 6, 7, 7, 8, 9, 9, 10, 10, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 15, 16, 0}, + {0, 0, 0, 0, 0, 3, 5, 6, 7, 8, 9, 10, 11, 11, 12, 13, 13, 14, 14, 14, 15, 15, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 0}, + {0, 0, 0, 0, 0, 0, 3, 5, 7, 8, 9, 10, 11, 12, 13, 13, 14, 15, 15, 16, 16, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 0}, + {0, 0, 0, 0, 0, 0, 0, 3, 6, 7, 9, 10, 11, 12, 13, 14, 15, 15, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 21, 22, 22, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 4, 6, 8, 9, 11, 12, 13, 14, 15, 16, 17, 17, 18, 19, 19, 20, 21, 21, 22, 22, 23, 23, 23, 24, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 6, 8, 10, 11, 13, 14, 15, 16, 17, 18, 19, 19, 20, 21, 21, 22, 23, 23, 24, 24, 25, 25, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 7, 9, 10, 12, 13, 15, 16, 17, 18, 19, 20, 21, 21, 22, 23, 24, 24, 25, 25, 26, 26, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 7, 9, 11, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 23, 24, 25, 26, 26, 27, 27, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 7, 9, 11, 13, 15, 16, 17, 19, 20, 21, 22, 23, 24, 25, 25, 26, 27, 28, 28, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 7, 10, 12, 14, 15, 17, 18, 19, 21, 22, 23, 24, 25, 26, 27, 27, 28, 29, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 7, 10, 12, 14, 16, 17, 19, 20, 21, 23, 24, 25, 26, 27, 28, 28, 29, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 8, 10, 12, 14, 16, 18, 19, 21, 22, 23, 25, 26, 27, 28, 29, 30, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 8, 10, 13, 15, 17, 18, 20, 21, 23, 24, 25, 27, 28, 29, 30, 0} + +}; + +const static uint32_t mpc8_cnk_lost[16][33] = +{ + {0, 0, 1, 0, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 31}, + {0, 0, 1, 2, 6, 1, 11, 4, 28, 19, 9, 62, 50, 37, 23, 8, 120, 103, 85, 66, 46, 25, 3, 236, 212, 187, 161, 134, 106, 77, 47, 16, 0}, + {0, 0, 0, 0, 6, 12, 29, 8, 44, 8, 91, 36, 226, 148, 57, 464, 344, 208, 55, 908, 718, 508, 277, 24, 1796, 1496, 1171, 820, 442, 36, 3697, 3232, 0}, + {0, 0, 0, 0, 3, 1, 29, 58, 2, 46, 182, 17, 309, 23, 683, 228, 1716, 1036, 220, 3347, 2207, 877, 7529, 5758, 3734, 1434, 15218, 12293, 9017, 5363, 1303, 29576, 0}, + {0, 0, 0, 0, 0, 2, 11, 8, 2, 4, 50, 232, 761, 46, 1093, 3824, 2004, 7816, 4756, 880, 12419, 6434, 31887, 23032, 12406, 65292, 50342, 32792, 12317, 119638, 92233, 60768, 0}, + {0, 0, 0, 0, 0, 0, 1, 4, 44, 46, 50, 100, 332, 1093, 3187, 184, 4008, 14204, 5636, 26776, 11272, 56459, 30125, 127548, 85044, 31914, 228278, 147548, 49268, 454801, 312295, 142384, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 28, 8, 182, 232, 332, 664, 1757, 4944, 13320, 944, 15148, 53552, 14792, 91600, 16987, 178184, 43588, 390776, 160546, 913112, 536372, 61352, 1564729, 828448, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 7, 19, 91, 17, 761, 1093, 1757, 3514, 8458, 21778, 55490, 5102, 58654, 204518, 33974, 313105, 1015577, 534877, 1974229, 1086199, 4096463, 2535683, 499883, 6258916, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 9, 36, 309, 46, 3187, 4944, 8458, 16916, 38694, 94184, 230358, 26868, 231386, 789648, 54177, 1069754, 3701783, 1481708, 6762211, 2470066, 13394357, 5505632, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 62, 226, 23, 1093, 184, 13320, 21778, 38694, 77388, 171572, 401930, 953086, 135896, 925544, 3076873, 8340931, 3654106, 13524422, 3509417, 22756699, 2596624, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 50, 148, 683, 3824, 4008, 944, 55490, 94184, 171572, 343144, 745074, 1698160, 3931208, 662448, 3739321, 12080252, 32511574, 12481564, 49545413, 5193248, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 37, 57, 228, 2004, 14204, 15148, 5102, 230358, 401930, 745074, 1490148, 3188308, 7119516, 16170572, 3132677, 15212929, 47724503, 127314931, 42642616, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 23, 464, 1716, 7816, 5636, 53552, 58654, 26868, 953086, 1698160, 3188308, 6376616, 13496132, 29666704, 66353813, 14457878, 62182381, 189497312, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 8, 344, 1036, 4756, 26776, 14792, 204518, 231386, 135896, 3931208, 7119516, 13496132, 26992264, 56658968, 123012781, 3252931, 65435312, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 120, 208, 220, 880, 11272, 91600, 33974, 789648, 925544, 662448, 16170572, 29666704, 56658968, 113317936, 236330717, 508019104, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 103, 55, 3347, 12419, 56459, 16987, 313105, 54177, 3076873, 3739321, 3132677, 66353813, 123012781, 236330717, 0} +}; + +#endif /* FFMPEG_MPC8DATA_H */ diff --git a/libavcodec/mpc8huff.h b/libavcodec/mpc8huff.h new file mode 100644 index 0000000000..21e7730ce6 --- /dev/null +++ b/libavcodec/mpc8huff.h @@ -0,0 +1,578 @@ +/* + * Musepack SV8 decoder + * Copyright (c) 2007 Konstantin Shishkov + * + * 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 + */ + +#ifndef FFMPEG_MPC8HUFF_H +#define FFMPEG_MPC8HUFF_H + +#include <stdint.h> + +#define MPC8_BANDS_SIZE 33 +#define MPC8_BANDS_BITS 9 + +static const uint8_t mpc8_bands_codes[MPC8_BANDS_SIZE] = { + 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04, 0x04, + 0x05, 0x06, 0x01, 0x02, 0x03, 0x00, 0x04, 0x05, + 0x06, 0x07, 0x08, 0x01, 0x09, 0x0A, 0x0B, 0x07, + 0x08, 0x09, 0x06, 0x07, 0x05, 0x05, 0x03, 0x03, + 0x01, +}; +static const int8_t mpc8_bands_bits[MPC8_BANDS_SIZE] = { + 1, 3, 5, 6, 7, 8, 8, 9, + 10, 11, 12, 12, 12, 13, 12, 12, + 12, 12, 12, 13, 12, 12, 12, 11, + 11, 11, 10, 10, 9, 8, 6, 5, + 2, +}; + +#define MPC8_SCFI0_SIZE 4 +#define MPC8_SCFI0_BITS 3 + +static const uint8_t mpc8_scfi0_codes[MPC8_SCFI0_SIZE] = { + 0x00, 0x01, 0x01, 0x01, +}; +static const int8_t mpc8_scfi0_bits[MPC8_SCFI0_SIZE] = { + 3, 3, 1, 2, +}; + +#define MPC8_SCFI1_SIZE 16 +#define MPC8_SCFI1_BITS 7 + +static const uint8_t mpc8_scfi1_codes[MPC8_SCFI1_SIZE] = { + 0x01, 0x00, 0x02, 0x03, 0x01, 0x03, 0x04, 0x05, + 0x04, 0x06, 0x02, 0x02, 0x05, 0x07, 0x03, 0x03, + +}; +static const int8_t mpc8_scfi1_bits[MPC8_SCFI1_SIZE] = { + 6, 7, 6, 6, 7, 5, 5, 5, + 6, 5, 2, 3, 6, 5, 3, 2, + +}; + +#define MPC8_DSCF0_SIZE 64 +#define MPC8_DSCF0_BITS 9 + +static const uint8_t mpc8_dscf0_codes[MPC8_DSCF0_SIZE] = { + 0x03, 0x04, 0x05, 0x04, 0x05, 0x06, 0x05, 0x06, + 0x07, 0x08, 0x09, 0x07, 0x08, 0x09, 0x0A, 0x07, + 0x08, 0x09, 0x0A, 0x07, 0x08, 0x09, 0x0A, 0x06, + 0x07, 0x05, 0x04, 0x05, 0x06, 0x06, 0x07, 0x0A, + 0x08, 0x05, 0x06, 0x07, 0x09, 0x07, 0x08, 0x09, + 0x0B, 0x0B, 0x0C, 0x0D, 0x0B, 0x0C, 0x0D, 0x0B, + 0x0C, 0x0D, 0x07, 0x08, 0x09, 0x06, 0x07, 0x03, + 0x04, 0x05, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, +}; +static const int8_t mpc8_dscf0_bits[MPC8_DSCF0_SIZE] = { + 12, 12, 12, 11, 11, 11, 10, 10, + 10, 10, 10, 9, 9, 9, 9, 8, + 8, 8, 8, 7, 7, 7, 7, 6, + 6, 5, 4, 4, 5, 4, 4, 10, + 4, 3, 3, 3, 4, 5, 6, 6, + 7, 8, 8, 8, 9, 9, 9, 10, + 10, 10, 11, 11, 11, 12, 12, 13, + 13, 13, 14, 14, 14, 14, 14, 14, + +}; + +#define MPC8_DSCF1_SIZE 65 +#define MPC8_DSCF1_BITS 9 + +static const uint8_t mpc8_dscf1_codes[MPC8_DSCF1_SIZE] = { + 0x00, 0x03, 0x04, 0x04, 0x05, 0x06, 0x05, 0x06, + 0x07, 0x08, 0x07, 0x08, 0x09, 0x0A, 0x07, 0x08, + 0x09, 0x0A, 0x07, 0x08, 0x09, 0x06, 0x07, 0x05, + 0x06, 0x04, 0x03, 0x03, 0x04, 0x03, 0x04, 0x05, + 0x06, 0x07, 0x05, 0x04, 0x05, 0x05, 0x07, 0x08, + 0x09, 0x0A, 0x0B, 0x0B, 0x0C, 0x0D, 0x0B, 0x0C, + 0x0D, 0x09, 0x0A, 0x0B, 0x0C, 0x07, 0x08, 0x09, + 0x05, 0x06, 0x07, 0x01, 0x02, 0x03, 0x04, 0x05, + 0x0D, +}; +static const int8_t mpc8_dscf1_bits[MPC8_DSCF1_SIZE] = { + 15, 14, 14, 13, 13, 13, 12, 12, + 12, 12, 11, 11, 11, 11, 10, 10, + 10, 10, 9, 9, 9, 8, 8, 7, + 7, 6, 5, 4, 4, 3, 3, 3, + 3, 3, 4, 5, 5, 6, 7, 8, + 8, 9, 9, 10, 10, 10, 11, 11, + 11, 12, 12, 12, 12, 13, 13, 13, + 14, 14, 14, 15, 15, 15, 15, 15, + 12, +}; + +#define MPC8_RES_SIZE 17 +#define MPC8_RES_BITS 9 + +static const uint8_t mpc8_res_codes[2][MPC8_RES_SIZE] = { + { + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x01, 0x01, + 0x01, + }, + { + 0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x00, 0x01, 0x02, 0x03, 0x01, 0x01, 0x01, 0x01, + 0x03, + } +}; +static const int8_t mpc8_res_bits[2][MPC8_RES_SIZE] = { + { + 1, 2, 4, 5, 6, 7, 9, 10, + 11, 12, 13, 14, 15, 16, 16, 8, + 3, + }, + { + 2, 2, 3, 5, 7, 8, 10, 12, + 14, 14, 14, 14, 11, 9, 6, 4, + 2, + } +}; + +#define MPC8_Q1_SIZE 19 +#define MPC8_Q1_BITS 9 + +static const uint8_t mpc8_q1_codes[MPC8_Q1_SIZE] = { + 0x01, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x03, 0x04, 0x05, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x00, 0x01, +}; +static const int8_t mpc8_q1_bits[MPC8_Q1_SIZE] = { + 6, 4, 4, 3, 3, 3, 3, 3, + 4, 4, 4, 5, 7, 8, 9, 10, + 11, 12, 12, +}; + +#define MPC8_Q9UP_SIZE 256 +#define MPC8_Q9UP_BITS 9 + +static const uint8_t mpc8_q9up_codes[MPC8_Q9UP_SIZE] = { + 0x01, 0x02, 0x03, 0x04, 0x05, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, + 0x10, 0x11, 0x12, 0x26, 0x27, 0x13, 0x14, 0x15, + 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, + 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, + 0x28, 0x26, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, + 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, + 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, + 0x3F, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, + 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, + 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, + 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, + 0x5F, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, + 0x67, 0x68, 0x69, 0x6A, 0x56, 0x57, 0x58, 0x59, + 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, 0x60, 0x61, + 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x3E, + 0x3F, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, + 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, + 0x78, 0x79, 0x7A, 0x6B, 0x7B, 0x6C, 0x6D, 0x6E, + 0x6F, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, + 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, + 0x7F, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, + 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, + 0x8F, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, + 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, + 0x9F, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, + 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0x27, 0x28, 0x29, + 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30, 0x31, + 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, + 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 0x40, 0x41, + 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, + 0x4A, 0x4B, 0x06, 0x07, 0x08, 0x09, 0x00, 0x01, +}; +static const int8_t mpc8_q9up_bits[MPC8_Q9UP_SIZE] = { + 10, 10, 10, 10, 10, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 8, 8, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 8, 9, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 6, + 6, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 8, 7, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 10, 10, 10, 10, 11, 11, +}; + +#define MPC8_Q2_SIZE 125 +#define MPC8_Q2_BITS 9 + +static const uint8_t mpc8_q2_codes[2][MPC8_Q2_SIZE] = { +{ + 0x02, 0x03, 0x0F, 0x04, 0x00, 0x05, 0x0C, 0x12, + 0x0D, 0x06, 0x07, 0x13, 0x15, 0x14, 0x08, 0x09, + 0x0E, 0x15, 0x0F, 0x0A, 0x03, 0x0B, 0x10, 0x0C, + 0x01, 0x0D, 0x10, 0x16, 0x11, 0x0E, 0x12, 0x0F, + 0x10, 0x16, 0x13, 0x17, 0x11, 0x08, 0x12, 0x18, + 0x14, 0x13, 0x14, 0x17, 0x15, 0x0F, 0x16, 0x19, + 0x17, 0x10, 0x11, 0x1A, 0x18, 0x1B, 0x12, 0x1C, + 0x15, 0x09, 0x16, 0x1D, 0x19, 0x0A, 0x07, 0x0B, + 0x1A, 0x1E, 0x17, 0x0C, 0x18, 0x1F, 0x13, 0x20, + 0x1B, 0x21, 0x14, 0x11, 0x18, 0x22, 0x19, 0x12, + 0x1A, 0x19, 0x1A, 0x1B, 0x1B, 0x23, 0x1C, 0x0D, + 0x1D, 0x24, 0x1C, 0x1C, 0x1E, 0x1F, 0x1D, 0x13, + 0x1E, 0x25, 0x1F, 0x14, 0x02, 0x15, 0x15, 0x16, + 0x04, 0x17, 0x20, 0x26, 0x21, 0x18, 0x16, 0x27, + 0x1D, 0x28, 0x19, 0x1A, 0x22, 0x29, 0x23, 0x1B, + 0x03, 0x1C, 0x17, 0x1D, 0x05, +}, +{ + 0x02, 0x03, 0x0F, 0x04, 0x00, 0x05, 0x0C, 0x0D, + 0x0E, 0x06, 0x07, 0x0F, 0x1E, 0x10, 0x10, 0x08, + 0x11, 0x12, 0x13, 0x09, 0x03, 0x0A, 0x11, 0x0B, + 0x01, 0x0C, 0x14, 0x15, 0x16, 0x0D, 0x17, 0x12, + 0x0E, 0x13, 0x18, 0x19, 0x14, 0x0F, 0x10, 0x1A, + 0x1B, 0x15, 0x11, 0x16, 0x1C, 0x0E, 0x1D, 0x1E, + 0x1F, 0x0F, 0x12, 0x20, 0x1F, 0x21, 0x13, 0x22, + 0x12, 0x13, 0x14, 0x23, 0x20, 0x15, 0x0F, 0x16, + 0x21, 0x24, 0x17, 0x18, 0x19, 0x25, 0x14, 0x26, + 0x22, 0x27, 0x15, 0x10, 0x28, 0x29, 0x2A, 0x11, + 0x2B, 0x17, 0x1A, 0x18, 0x2C, 0x2D, 0x1B, 0x1C, + 0x19, 0x2E, 0x2F, 0x1A, 0x1D, 0x1B, 0x30, 0x12, + 0x31, 0x32, 0x33, 0x13, 0x02, 0x14, 0x15, 0x16, + 0x04, 0x17, 0x34, 0x35, 0x36, 0x18, 0x16, 0x37, + 0x23, 0x38, 0x19, 0x1A, 0x39, 0x3A, 0x3B, 0x1B, + 0x03, 0x1C, 0x17, 0x1D, 0x05, +} +}; +static const int8_t mpc8_q2_bits[2][MPC8_Q2_SIZE] = { +{ + 12, 11, 10, 11, 13, 11, 9, 8, + 9, 11, 11, 8, 7, 8, 11, 11, + 9, 8, 9, 11, 12, 11, 10, 11, + 13, 11, 9, 8, 9, 11, 9, 6, + 6, 7, 9, 8, 6, 4, 6, 8, + 9, 6, 6, 7, 9, 11, 9, 8, + 9, 11, 10, 8, 7, 8, 10, 8, + 6, 4, 6, 8, 7, 4, 3, 4, + 7, 8, 6, 4, 6, 8, 10, 8, + 7, 8, 10, 11, 9, 8, 9, 11, + 9, 6, 6, 6, 9, 8, 6, 4, + 6, 8, 9, 7, 6, 6, 9, 11, + 9, 8, 9, 11, 13, 11, 10, 11, + 12, 11, 9, 8, 9, 11, 10, 8, + 7, 8, 11, 11, 9, 8, 9, 11, + 13, 11, 10, 11, 12, +}, +{ + 11, 10, 9, 10, 12, 10, 8, 8, + 8, 10, 10, 8, 7, 8, 9, 10, + 8, 8, 8, 10, 11, 10, 9, 10, + 12, 10, 8, 8, 8, 10, 8, 6, + 5, 6, 8, 8, 6, 5, 5, 8, + 8, 6, 5, 6, 8, 10, 8, 8, + 8, 10, 9, 8, 7, 8, 9, 8, + 5, 5, 5, 8, 7, 5, 4, 5, + 7, 8, 5, 5, 5, 8, 9, 8, + 7, 8, 9, 10, 8, 8, 8, 10, + 8, 6, 5, 6, 8, 8, 5, 5, + 6, 8, 8, 6, 5, 6, 8, 10, + 8, 8, 8, 10, 12, 10, 10, 10, + 11, 10, 8, 8, 8, 10, 9, 8, + 7, 8, 10, 10, 8, 8, 8, 10, + 12, 10, 9, 10, 11, +} +}; + +#define MPC8_Q3_SIZE 49 +#define MPC8_Q3_BITS 9 +#define MPC8_Q3_OFFSET -48 + +static const uint8_t mpc8_q3_codes[MPC8_Q3_SIZE] = { + 0x07, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0x0F, + 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x13, 0x12, 0x11, + 0x10, 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, + 0x11, 0x10, 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, + 0x09, 0x08, 0x07, 0x06, 0x05, 0x09, 0x08, 0x07, + 0x06, 0x05, 0x04, 0x03, 0x02, 0x03, 0x02, 0x01, + 0x00, +}; +static const int8_t mpc8_q3_bits[MPC8_Q3_SIZE] = { + 3, 4, 4, 4, 4, 4, 4, 5, + 5, 5, 5, 5, 5, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 8, 8, 8, + 8, 8, 8, 8, 8, 9, 9, 9, + 9, +}; +static const int8_t mpc8_q3_syms[MPC8_Q3_SIZE] = { + 48, 65, 64, 49, 63, 32, 47, 80, + 79, 50, 62, 33, 16, 82, 81, 95, + 94, 66, 78, 34, 46, 17, 31, 30, + 97, 96, 111, 67, 77, 51, 61, 35, + 45, 18, 1, 0, 15, 98, 110, 83, + 93, 19, 29, 2, 14, 99, 109, 3, + 13, +}; + +#define MPC8_Q4_SIZE 81 +#define MPC8_Q4_BITS 9 +#define MPC8_Q4_OFFSET -64 + +static const uint8_t mpc8_q4_codes[MPC8_Q4_SIZE] = { + 0x0F, 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 0x17, + 0x16, 0x15, 0x14, 0x13, 0x12, 0x23, 0x22, 0x21, + 0x20, 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 0x1A, 0x19, + 0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, + 0x10, 0x0F, 0x0E, 0x0D, 0x19, 0x18, 0x17, 0x16, + 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0F, 0x0E, + 0x0D, 0x0C, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, + 0x11, 0x10, 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, + 0x09, 0x08, 0x07, 0x06, 0x05, 0x09, 0x08, 0x07, + 0x06, 0x05, 0x04, 0x03, 0x02, 0x03, 0x02, 0x01, + 0x00, +}; +static const int8_t mpc8_q4_bits[MPC8_Q4_SIZE] = { + 4, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 9, 9, 9, + 9, 9, 9, 9, 9, 10, 10, 10, + 10, +}; +static const int8_t mpc8_q4_syms[MPC8_Q4_SIZE] = { + 64, 96, 81, 80, 95, 66, 65, 79, + 78, 49, 48, 63, 32, 113, 112, 98, + 97, 111, 110, 83, 82, 94, 93, 67, + 77, 51, 50, 62, 61, 34, 33, 47, + 46, 17, 16, 31, 128, 114, 127, 126, + 99, 109, 68, 76, 35, 45, 18, 30, + 0, 15, 130, 129, 143, 142, 115, 125, + 100, 108, 84, 92, 52, 60, 36, 44, + 19, 29, 2, 1, 14, 131, 141, 116, + 124, 20, 28, 3, 13, 132, 140, 4, + 12, +}; + +#define MPC8_Q5_SIZE 15 +#define MPC8_Q5_BITS 7 +#define MPC8_Q5_OFFSET -7 + +static const uint8_t mpc8_q5_codes[2][MPC8_Q5_SIZE] = { +{ + 0x00, 0x01, 0x02, 0x02, 0x02, 0x02, 0x03, 0x03, + 0x04, 0x05, 0x03, 0x03, 0x03, 0x02, 0x03, +}, +{ + 0x00, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04, 0x05, + 0x06, 0x07, 0x04, 0x05, 0x03, 0x02, 0x03, +} +}; +static const int8_t mpc8_q5_bits[2][MPC8_Q5_SIZE] = { +{ + 7, 7, 6, 5, 4, 3, 3, 2, + 3, 3, 4, 5, 6, 7, 7, +}, +{ + 6, 6, 5, 4, 4, 3, 3, 3, + 3, 3, 4, 4, 5, 6, 6, +} +}; + +#define MPC8_Q6_SIZE 31 +#define MPC8_Q6_BITS 9 +#define MPC8_Q6_OFFSET -15 + +static const uint8_t mpc8_q6_codes[2][MPC8_Q6_SIZE] = { +{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x04, 0x03, + 0x04, 0x05, 0x05, 0x06, 0x04, 0x05, 0x04, 0x03, + 0x05, 0x06, 0x07, 0x07, 0x06, 0x07, 0x08, 0x09, + 0x05, 0x06, 0x07, 0x04, 0x05, 0x06, 0x07, +}, +{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x04, 0x05, 0x04, + 0x05, 0x06, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, + 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x07, 0x08, 0x09, + 0x06, 0x07, 0x05, 0x06, 0x07, 0x02, 0x03, +} +}; +static const int8_t mpc8_q6_bits[2][MPC8_Q6_SIZE] = { +{ + 9, 9, 9, 9, 8, 8, 7, 6, + 6, 6, 5, 5, 4, 4, 3, 2, + 3, 4, 4, 5, 6, 6, 6, 6, + 7, 8, 8, 9, 9, 9, 9, +}, +{ + 8, 8, 7, 7, 7, 6, 6, 5, + 5, 5, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 5, 5, 5, + 6, 6, 7, 7, 7, 8, 8, +} +}; + +#define MPC8_Q7_SIZE 63 +#define MPC8_Q7_BITS 9 +#define MPC8_Q7_OFFSET -31 + +static const uint8_t mpc8_q7_codes[2][MPC8_Q7_SIZE] = { +{ + 0x00, 0x01, 0x02, 0x08, 0x09, 0x03, 0x04, 0x05, + 0x06, 0x07, 0x0A, 0x0B, 0x0C, 0x0D, 0x0A, 0x0B, + 0x0C, 0x0D, 0x0E, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, + 0x0A, 0x0B, 0x0C, 0x08, 0x09, 0x06, 0x04, 0x03, + 0x05, 0x07, 0x0A, 0x0B, 0x0D, 0x0E, 0x0F, 0x0F, + 0x10, 0x11, 0x12, 0x0F, 0x13, 0x10, 0x11, 0x12, + 0x13, 0x0E, 0x0F, 0x10, 0x11, 0x08, 0x09, 0x0A, + 0x0B, 0x0C, 0x12, 0x13, 0x0D, 0x0E, 0x0F, +}, +{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x09, 0x0A, + 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x0C, 0x0D, + 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, + 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, + 0x1E, 0x1F, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, + 0x17, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x09, 0x0A, + 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x02, 0x03, +} +}; +static const int8_t mpc8_q7_bits[2][MPC8_Q7_SIZE] = { +{ + 10, 10, 10, 9, 9, 10, 10, 10, + 10, 10, 9, 9, 9, 9, 8, 8, + 8, 8, 8, 7, 7, 7, 7, 7, + 6, 6, 6, 5, 5, 4, 3, 2, + 3, 4, 5, 5, 6, 6, 6, 7, + 7, 7, 7, 8, 7, 8, 8, 8, + 8, 9, 9, 9, 9, 10, 10, 10, + 10, 10, 9, 9, 10, 10, 10, +}, +{ + 9, 9, 8, 8, 8, 8, 8, 8, + 8, 7, 7, 7, 7, 7, 6, 6, + 6, 6, 6, 6, 6, 6, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 6, 6, 6, 6, 6, 6, + 6, 7, 7, 7, 7, 7, 8, 8, + 8, 8, 8, 8, 8, 9, 9, +} +}; + +#define MPC8_Q8_SIZE 127 +#define MPC8_Q8_BITS 9 +#define MPC8_Q8_OFFSET -63 + +static const uint8_t mpc8_q8_codes[2][MPC8_Q8_SIZE] = { +{ + 0x03, 0x04, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x1A, + 0x0F, 0x1B, 0x10, 0x00, 0x01, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0A, 0x0B, 0x11, 0x0C, 0x12, 0x13, + 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1C, 0x1A, + 0x1B, 0x1C, 0x1D, 0x1E, 0x1D, 0x1E, 0x1F, 0x20, + 0x21, 0x22, 0x23, 0x24, 0x19, 0x25, 0x1A, 0x1B, + 0x1C, 0x1D, 0x1E, 0x1F, 0x14, 0x15, 0x16, 0x17, + 0x0E, 0x0F, 0x10, 0x11, 0x0B, 0x07, 0x04, 0x03, + 0x05, 0x0C, 0x0D, 0x12, 0x13, 0x14, 0x15, 0x18, + 0x19, 0x1A, 0x1B, 0x20, 0x21, 0x22, 0x23, 0x24, + 0x25, 0x26, 0x27, 0x26, 0x27, 0x28, 0x29, 0x2A, + 0x2B, 0x2C, 0x2D, 0x2E, 0x1F, 0x20, 0x2F, 0x21, + 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, + 0x0D, 0x0E, 0x2A, 0x0F, 0x10, 0x11, 0x12, 0x02, + 0x13, 0x03, 0x04, 0x05, 0x2B, 0x2C, 0x30, 0x31, + 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, +}, +{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x15, 0x16, + 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, + 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, + 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, + 0x2F, 0x30, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, + 0x2C, 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, + 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, + 0x3C, 0x3D, 0x3E, 0x31, 0x3F, 0x32, 0x33, 0x34, + 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, + 0x3D, 0x3E, 0x3F, 0x40, 0x41, 0x42, 0x43, 0x44, + 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x16, + 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, + 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, + 0x27, 0x28, 0x29, 0x04, 0x05, 0x06, 0x07, +} +}; +static const int8_t mpc8_q8_bits[2][MPC8_Q8_SIZE] = { +{ + 11, 11, 10, 10, 10, 10, 10, 9, + 10, 9, 10, 12, 12, 11, 11, 11, + 11, 11, 11, 11, 10, 11, 10, 10, + 10, 10, 10, 10, 10, 10, 9, 10, + 10, 10, 10, 10, 9, 9, 9, 9, + 9, 9, 9, 9, 8, 9, 8, 8, + 8, 8, 8, 8, 7, 7, 7, 7, + 6, 6, 6, 6, 5, 4, 3, 2, + 3, 5, 5, 6, 6, 6, 6, 7, + 7, 7, 7, 8, 8, 8, 8, 8, + 8, 8, 8, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 10, 10, 9, 10, + 10, 10, 10, 10, 10, 10, 10, 10, + 11, 11, 10, 11, 11, 11, 11, 12, + 11, 12, 12, 12, 10, 10, 9, 9, + 10, 10, 10, 10, 10, 10, 10, +}, +{ + 9, 9, 9, 9, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 7, 6, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 9, 9, 9, 9, +} +}; + +#endif /* FFMPEG_MPC8HUFF_H */ diff --git a/libavformat/Makefile b/libavformat/Makefile index eafa6c0e04..45a8a4889d 100644 --- a/libavformat/Makefile +++ b/libavformat/Makefile @@ -86,6 +86,7 @@ OBJS-$(CONFIG_MP3_DEMUXER) += mp3.o OBJS-$(CONFIG_MP3_MUXER) += mp3.o OBJS-$(CONFIG_MP4_MUXER) += movenc.o riff.o isom.o OBJS-$(CONFIG_MPC_DEMUXER) += mpc.o +OBJS-$(CONFIG_MPC8_DEMUXER) += mpc8.o OBJS-$(CONFIG_MPEG1SYSTEM_MUXER) += mpegenc.o OBJS-$(CONFIG_MPEG1VCD_MUXER) += mpegenc.o OBJS-$(CONFIG_MPEG2DVD_MUXER) += mpegenc.o diff --git a/libavformat/allformats.c b/libavformat/allformats.c index 27aa253d63..eab29f460b 100644 --- a/libavformat/allformats.c +++ b/libavformat/allformats.c @@ -104,6 +104,7 @@ void av_register_all(void) REGISTER_MUXDEMUX (MP3, mp3); REGISTER_MUXER (MP4, mp4); REGISTER_DEMUXER (MPC, mpc); + REGISTER_DEMUXER (MPC8, mpc8); REGISTER_MUXER (MPEG1SYSTEM, mpeg1system); REGISTER_MUXER (MPEG1VCD, mpeg1vcd); REGISTER_MUXER (MPEG1VIDEO, mpeg1video); diff --git a/libavformat/avformat.h b/libavformat/avformat.h index d99fb2ace3..93eee3531f 100644 --- a/libavformat/avformat.h +++ b/libavformat/avformat.h @@ -21,8 +21,8 @@ #ifndef FFMPEG_AVFORMAT_H #define FFMPEG_AVFORMAT_H -#define LIBAVFORMAT_VERSION_INT ((51<<16)+(17<<8)+1) -#define LIBAVFORMAT_VERSION 51.17.1 +#define LIBAVFORMAT_VERSION_INT ((51<<16)+(18<<8)+0) +#define LIBAVFORMAT_VERSION 51.18.0 #define LIBAVFORMAT_BUILD LIBAVFORMAT_VERSION_INT #define LIBAVFORMAT_IDENT "Lavf" AV_STRINGIFY(LIBAVFORMAT_VERSION) diff --git a/libavformat/mpc8.c b/libavformat/mpc8.c new file mode 100644 index 0000000000..b6840b00d6 --- /dev/null +++ b/libavformat/mpc8.c @@ -0,0 +1,244 @@ +/* + * Musepack SV8 demuxer + * Copyright (c) 2007 Konstantin Shishkov + * + * 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 + */ +#include "avformat.h" +#include "bitstream.h" +#include "unary.h" + +/// Two-byte MPC tag +#define MKMPCTAG(a, b) (a | (b << 8)) + +#define TAG_MPCK MKTAG('M','P','C','K') + +/// Reserved MPC tags +enum MPCPacketTags{ + TAG_STREAMHDR = MKMPCTAG('S','H'), + TAG_STREAMEND = MKMPCTAG('S','E'), + + TAG_AUDIOPACKET = MKMPCTAG('A','P'), + + TAG_SEEKTBLOFF = MKMPCTAG('S','O'), + TAG_SEEKTABLE = MKMPCTAG('S','T'), + + TAG_REPLAYGAIN = MKMPCTAG('R','G'), + TAG_ENCINFO = MKMPCTAG('E','I'), +}; + +static const int mpc8_rate[8] = { 44100, 48000, 37800, 32000, -1, -1, -1, -1 }; + +typedef struct { + int ver; + int frame; + int64_t header_pos; + int64_t samples; +} MPCContext; + +static int mpc8_probe(AVProbeData *p) +{ + if (AV_RL32(p->buf) == TAG_MPCK) + return AVPROBE_SCORE_MAX; + return 0; +} + +static inline int64_t gb_get_v(GetBitContext *gb) +{ + int64_t v = 0; + int bits = 0; + while(get_bits1(gb) && bits < 64-7){ + v <<= 7; + v |= get_bits(gb, 7); + bits += 7; + } + v <<= 7; + v |= get_bits(gb, 7); + + return v; +} + +static void mpc8_get_chunk_header(ByteIOContext *pb, int *tag, int64_t *size) +{ + int64_t pos; + pos = url_ftell(pb); + *tag = get_le16(pb); + *size = ff_get_v(pb); + *size -= url_ftell(pb) - pos; +} + +static void mpc8_parse_seektable(AVFormatContext *s, int64_t off) +{ + MPCContext *c = s->priv_data; + int tag; + int64_t size, pos, ppos[2]; + uint8_t *buf; + int i, t, seekd; + GetBitContext gb; + + url_fseek(&s->pb, off, SEEK_SET); + mpc8_get_chunk_header(&s->pb, &tag, &size); + if(tag != TAG_SEEKTABLE){ + av_log(s, AV_LOG_ERROR, "No seek table at given position\n"); + return; + } + if(!(buf = av_malloc(size))) + return; + get_buffer(&s->pb, buf, size); + init_get_bits(&gb, buf, size * 8); + size = gb_get_v(&gb); + if(size > UINT_MAX/4 || size > c->samples/1152){ + av_log(s, AV_LOG_ERROR, "Seek table is too big\n"); + return; + } + seekd = get_bits(&gb, 4); + for(i = 0; i < 2; i++){ + pos = gb_get_v(&gb) + c->header_pos; + ppos[1 - i] = pos; + av_add_index_entry(s->streams[0], pos, i, 0, 0, AVINDEX_KEYFRAME); + } + for(; i < size; i++){ + t = get_unary(&gb, 1, 33) << 12; + t += get_bits(&gb, 12); + if(t & 1) + t = -(t & ~1); + pos = (t >> 1) + ppos[0]*2 - ppos[1]; + av_add_index_entry(s->streams[0], pos, i << seekd, 0, 0, AVINDEX_KEYFRAME); + ppos[1] = ppos[0]; + ppos[0] = pos; + } + av_free(buf); +} + +static void mpc8_handle_chunk(AVFormatContext *s, int tag, int64_t chunk_pos, int64_t size) +{ + ByteIOContext *pb = &s->pb; + int64_t pos, off; + + switch(tag){ + case TAG_SEEKTBLOFF: + pos = url_ftell(pb) + size; + off = ff_get_v(pb); + mpc8_parse_seektable(s, chunk_pos + off); + url_fseek(pb, pos, SEEK_SET); + break; + default: + url_fskip(pb, size); + } +} + +static int mpc8_read_header(AVFormatContext *s, AVFormatParameters *ap) +{ + MPCContext *c = s->priv_data; + ByteIOContext *pb = &s->pb; + AVStream *st; + int tag = 0; + int64_t size, pos; + + c->header_pos = url_ftell(pb); + if(get_le32(pb) != TAG_MPCK){ + av_log(s, AV_LOG_ERROR, "Not a Musepack8 file\n"); + return -1; + } + + while(!url_feof(pb)){ + pos = url_ftell(pb); + mpc8_get_chunk_header(pb, &tag, &size); + if(tag == TAG_STREAMHDR) + break; + mpc8_handle_chunk(s, tag, pos, size); + } + if(tag != TAG_STREAMHDR){ + av_log(s, AV_LOG_ERROR, "Stream header not found\n"); + return -1; + } + pos = url_ftell(pb); + url_fskip(pb, 4); //CRC + c->ver = get_byte(pb); + if(c->ver != 8){ + av_log(s, AV_LOG_ERROR, "Unknown stream version %d\n", c->ver); + return -1; + } + c->samples = ff_get_v(pb); + ff_get_v(pb); //silence samples at the beginning + + st = av_new_stream(s, 0); + if (!st) + return AVERROR(ENOMEM); + st->codec->codec_type = CODEC_TYPE_AUDIO; + st->codec->codec_id = CODEC_ID_MUSEPACK8; + st->codec->bits_per_sample = 16; + + st->codec->extradata_size = 2; + st->codec->extradata = av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); + get_buffer(pb, st->codec->extradata, st->codec->extradata_size); + + st->codec->channels = (st->codec->extradata[1] >> 4) + 1; + st->codec->sample_rate = mpc8_rate[st->codec->extradata[0] >> 5]; + av_set_pts_info(st, 32, 1152 << (st->codec->extradata[1]&3)*2, st->codec->sample_rate); + st->duration = c->samples / (1152 << (st->codec->extradata[1]&3)*2); + size -= url_ftell(pb) - pos; + + return 0; +} + +static int mpc8_read_packet(AVFormatContext *s, AVPacket *pkt) +{ + MPCContext *c = s->priv_data; + int tag; + int64_t pos, size; + + while(!url_feof(&s->pb)){ + pos = url_ftell(&s->pb); + mpc8_get_chunk_header(&s->pb, &tag, &size); + if(tag == TAG_AUDIOPACKET){ + if(av_get_packet(&s->pb, pkt, size) < 0) + return AVERROR(ENOMEM); + pkt->stream_index = 0; + pkt->pts = c->frame; + return 0; + } + if(tag == TAG_STREAMEND) + return AVERROR(EIO); + mpc8_handle_chunk(s, tag, pos, size); + } + return 0; +} + +static int mpc8_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags) +{ + AVStream *st = s->streams[stream_index]; + MPCContext *c = s->priv_data; + int index = av_index_search_timestamp(st, timestamp, flags); + + if(index < 0) return -1; + url_fseek(&s->pb, st->index_entries[index].pos, SEEK_SET); + c->frame = st->index_entries[index].timestamp; + return 0; +} + + +AVInputFormat mpc8_demuxer = { + "mpc8", + "musepack8", + sizeof(MPCContext), + mpc8_probe, + mpc8_read_header, + mpc8_read_packet, + NULL, + mpc8_read_seek, +}; |