From 24e649afe3e47ce33729a5ccd83a7993c70f50bb Mon Sep 17 00:00:00 2001 From: Kostya Shishkov Date: Fri, 2 Nov 2007 06:40:42 +0000 Subject: [PATCH] Split Musepack decoder into SV7 decoder and synth core (for upcoming SV8 decoder) Originally committed as revision 10905 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/Makefile | 2 +- libavcodec/mpc.c | 273 +++-------------------------------------- libavcodec/mpc.h | 80 ++++++++++++ libavcodec/mpc7.c | 276 ++++++++++++++++++++++++++++++++++++++++++ libavcodec/mpc7data.h | 171 ++++++++++++++++++++++++++ libavcodec/mpcdata.h | 146 +--------------------- 6 files changed, 543 insertions(+), 405 deletions(-) create mode 100644 libavcodec/mpc.h create mode 100644 libavcodec/mpc7.c create mode 100644 libavcodec/mpc7data.h diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 5b60323a99..ea98e31e37 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -114,7 +114,7 @@ OBJS-$(CONFIG_MP2_ENCODER) += mpegaudioenc.o mpegaudio.o mpegaudioda OBJS-$(CONFIG_MP3_DECODER) += mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o 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-$(CONFIG_MPC7_DECODER) += mpc.o mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o +OBJS-$(CONFIG_MPC7_DECODER) += mpc7.o mpc.o mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o OBJS-$(CONFIG_MPEG1VIDEO_ENCODER) += mpeg12enc.o mpeg12data.o mpegvideo_enc.o motion_est.o ratecontrol.o OBJS-$(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/mpc.c b/libavcodec/mpc.c index 25d0e2ee7f..96e1a20b0c 100644 --- a/libavcodec/mpc.c +++ b/libavcodec/mpc.c @@ -1,5 +1,5 @@ /* - * Musepack decoder + * Musepack decoder core * Copyright (c) 2006 Konstantin Shishkov * * This file is part of FFmpeg. @@ -20,7 +20,7 @@ */ /** - * @file mpc.c Musepack decoder + * @file mpc.c Musepack decoder core * MPEG Audio Layer 1/2 -like codec with frames of 1152 samples * divided into 32 subbands. */ @@ -35,108 +35,18 @@ #endif #include "mpegaudio.h" +#include "mpc.h" #include "mpcdata.h" -#define BANDS 32 -#define SAMPLES_PER_BAND 36 -#define MPC_FRAME_SIZE (BANDS * SAMPLES_PER_BAND) - -static VLC scfi_vlc, dscf_vlc, hdr_vlc, quant_vlc[MPC7_QUANT_VLC_TABLES][2]; - static DECLARE_ALIGNED_16(MPA_INT, mpa_window[512]); -typedef struct { - DSPContext dsp; - int IS, MSS, gapless; - int lastframelen, bands; - int oldDSCF[2][BANDS]; - AVRandomState rnd; - int frames_to_skip; - /* for synthesis */ - DECLARE_ALIGNED_16(MPA_INT, synth_buf[MPA_MAX_CHANNELS][512*2]); - int synth_buf_offset[MPA_MAX_CHANNELS]; - DECLARE_ALIGNED_16(int32_t, sb_samples[MPA_MAX_CHANNELS][36][SBLIMIT]); -} MPCContext; - -/** Subband structure - hold all variables for each subband */ -typedef struct { - int msf; ///< mid-stereo flag - int res[2]; - int scfi[2]; - int scf_idx[2][3]; - int Q[2]; -}Band; - -static int mpc7_decode_init(AVCodecContext * avctx) +void ff_mpc_init() { - int i, j; - MPCContext *c = avctx->priv_data; - GetBitContext gb; - uint8_t buf[16]; - static int vlc_inited = 0; - - if(avctx->extradata_size < 16){ - 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); - c->dsp.bswap_buf(buf, avctx->extradata, 4); ff_mpa_synth_init(mpa_window); - init_get_bits(&gb, buf, 128); - - c->IS = get_bits1(&gb); - c->MSS = get_bits1(&gb); - c->bands = get_bits(&gb, 6); - if(c->bands >= BANDS){ - av_log(avctx, AV_LOG_ERROR, "Too many bands: %i\n", c->bands); - return -1; - } - skip_bits(&gb, 88); - c->gapless = get_bits1(&gb); - c->lastframelen = get_bits(&gb, 11); - av_log(avctx, AV_LOG_DEBUG, "IS: %d, MSS: %d, TG: %d, LFL: %d, bands: %d\n", - c->IS, c->MSS, c->gapless, c->lastframelen, c->bands); - c->frames_to_skip = 0; - - if(vlc_inited) return 0; - av_log(avctx, AV_LOG_DEBUG, "Initing VLC\n"); - if(init_vlc(&scfi_vlc, MPC7_SCFI_BITS, MPC7_SCFI_SIZE, - &mpc7_scfi[1], 2, 1, - &mpc7_scfi[0], 2, 1, INIT_VLC_USE_STATIC)){ - av_log(avctx, AV_LOG_ERROR, "Cannot init SCFI VLC\n"); - return -1; - } - if(init_vlc(&dscf_vlc, MPC7_DSCF_BITS, MPC7_DSCF_SIZE, - &mpc7_dscf[1], 2, 1, - &mpc7_dscf[0], 2, 1, INIT_VLC_USE_STATIC)){ - av_log(avctx, AV_LOG_ERROR, "Cannot init DSCF VLC\n"); - return -1; - } - if(init_vlc(&hdr_vlc, MPC7_HDR_BITS, MPC7_HDR_SIZE, - &mpc7_hdr[1], 2, 1, - &mpc7_hdr[0], 2, 1, INIT_VLC_USE_STATIC)){ - av_log(avctx, AV_LOG_ERROR, "Cannot init HDR VLC\n"); - return -1; - } - for(i = 0; i < MPC7_QUANT_VLC_TABLES; i++){ - for(j = 0; j < 2; j++){ - if(init_vlc(&quant_vlc[i][j], 9, mpc7_quant_vlc_sizes[i], - &mpc7_quant_vlc[i][j][1], 4, 2, - &mpc7_quant_vlc[i][j][0], 4, 2, INIT_VLC_USE_STATIC)){ - av_log(avctx, AV_LOG_ERROR, "Cannot init QUANT VLC %i,%i\n",i,j); - return -1; - } - } - } - vlc_inited = 1; - return 0; } /** * Process decoded Musepack data and produce PCM - * @todo make it available for MPC8 and MPC6 */ static void mpc_synth(MPCContext *c, int16_t *out) { @@ -158,147 +68,29 @@ static void mpc_synth(MPCContext *c, int16_t *out) *out++=samples[i]; } -/** - * Fill samples for given subband - */ -static inline void idx_to_quant(MPCContext *c, GetBitContext *gb, int idx, int *dst) +void ff_mpc_dequantize_and_synth(MPCContext * c, int maxband, void *data) { - int i, i1, t; - switch(idx){ - case -1: - for(i = 0; i < SAMPLES_PER_BAND; i++){ - *dst++ = (av_random(&c->rnd) & 0x3FC) - 510; - } - break; - case 1: - i1 = get_bits1(gb); - for(i = 0; i < SAMPLES_PER_BAND/3; i++){ - t = get_vlc2(gb, quant_vlc[0][i1].table, 9, 2); - *dst++ = mpc_idx30[t]; - *dst++ = mpc_idx31[t]; - *dst++ = mpc_idx32[t]; - } - break; - case 2: - i1 = get_bits1(gb); - for(i = 0; i < SAMPLES_PER_BAND/2; i++){ - t = get_vlc2(gb, quant_vlc[1][i1].table, 9, 2); - *dst++ = mpc_idx50[t]; - *dst++ = mpc_idx51[t]; - } - break; - case 3: case 4: case 5: case 6: case 7: - i1 = get_bits1(gb); - for(i = 0; i < SAMPLES_PER_BAND; i++) - *dst++ = get_vlc2(gb, quant_vlc[idx-1][i1].table, 9, 2) - mpc7_quant_vlc_off[idx-1]; - break; - case 8: case 9: case 10: case 11: case 12: - case 13: case 14: case 15: case 16: case 17: - t = (1 << (idx - 2)) - 1; - for(i = 0; i < SAMPLES_PER_BAND; i++) - *dst++ = get_bits(gb, idx - 1) - t; - break; - default: // case 0 and -2..-17 - return; - } -} - -static int mpc7_decode_frame(AVCodecContext * avctx, - void *data, int *data_size, - uint8_t * buf, int buf_size) -{ - MPCContext *c = avctx->priv_data; - GetBitContext gb; - uint8_t *bits; - int i, j, ch, t; - int mb = -1; - Band bands[BANDS]; - int Q[2][MPC_FRAME_SIZE]; + int i, j, ch; + Band *bands = c->bands; int off; float mul; - int bits_used, bits_avail; - memset(bands, 0, sizeof(bands)); - if(buf_size <= 4){ - av_log(avctx, AV_LOG_ERROR, "Too small buffer passed (%i bytes)\n", buf_size); - } - - bits = av_malloc(((buf_size - 1) & ~3) + FF_INPUT_BUFFER_PADDING_SIZE); - c->dsp.bswap_buf(bits, buf + 4, (buf_size - 4) >> 2); - init_get_bits(&gb, bits, (buf_size - 4)* 8); - skip_bits(&gb, buf[0]); - - /* read subband indexes */ - for(i = 0; i <= c->bands; i++){ - for(ch = 0; ch < 2; ch++){ - if(i) t = get_vlc2(&gb, hdr_vlc.table, MPC7_HDR_BITS, 1) - 5; - if(!i || (t == 4)) bands[i].res[ch] = get_bits(&gb, 4); - else bands[i].res[ch] = bands[i-1].res[ch] + t; - } - - if(bands[i].res[0] || bands[i].res[1]){ - mb = i; - if(c->MSS) bands[i].msf = get_bits1(&gb); - } - } - /* get scale indexes coding method */ - for(i = 0; i <= mb; i++) - for(ch = 0; ch < 2; ch++) - if(bands[i].res[ch]) bands[i].scfi[ch] = get_vlc2(&gb, scfi_vlc.table, MPC7_SCFI_BITS, 1); - /* get scale indexes */ - for(i = 0; i <= mb; i++){ - for(ch = 0; ch < 2; ch++){ - if(bands[i].res[ch]){ - bands[i].scf_idx[ch][2] = c->oldDSCF[ch][i]; - t = get_vlc2(&gb, dscf_vlc.table, MPC7_DSCF_BITS, 1) - 7; - bands[i].scf_idx[ch][0] = (t == 8) ? get_bits(&gb, 6) : (bands[i].scf_idx[ch][2] + t); - switch(bands[i].scfi[ch]){ - case 0: - t = get_vlc2(&gb, dscf_vlc.table, MPC7_DSCF_BITS, 1) - 7; - bands[i].scf_idx[ch][1] = (t == 8) ? get_bits(&gb, 6) : (bands[i].scf_idx[ch][0] + t); - t = get_vlc2(&gb, dscf_vlc.table, MPC7_DSCF_BITS, 1) - 7; - bands[i].scf_idx[ch][2] = (t == 8) ? get_bits(&gb, 6) : (bands[i].scf_idx[ch][1] + t); - break; - case 1: - t = get_vlc2(&gb, dscf_vlc.table, MPC7_DSCF_BITS, 1) - 7; - bands[i].scf_idx[ch][1] = (t == 8) ? get_bits(&gb, 6) : (bands[i].scf_idx[ch][0] + t); - bands[i].scf_idx[ch][2] = bands[i].scf_idx[ch][1]; - break; - case 2: - bands[i].scf_idx[ch][1] = bands[i].scf_idx[ch][0]; - t = get_vlc2(&gb, dscf_vlc.table, MPC7_DSCF_BITS, 1) - 7; - bands[i].scf_idx[ch][2] = (t == 8) ? get_bits(&gb, 6) : (bands[i].scf_idx[ch][1] + t); - break; - case 3: - bands[i].scf_idx[ch][2] = bands[i].scf_idx[ch][1] = bands[i].scf_idx[ch][0]; - break; - } - c->oldDSCF[ch][i] = bands[i].scf_idx[ch][2]; - } - } - } - /* get quantizers */ - memset(Q, 0, sizeof(Q)); - off = 0; - for(i = 0; i < BANDS; i++, off += SAMPLES_PER_BAND) - for(ch = 0; ch < 2; ch++) - idx_to_quant(c, &gb, bands[i].res[ch], Q[ch] + off); /* dequantize */ memset(c->sb_samples, 0, sizeof(c->sb_samples)); off = 0; - for(i = 0; i <= mb; i++, off += SAMPLES_PER_BAND){ + for(i = 0; i <= maxband; i++, off += SAMPLES_PER_BAND){ for(ch = 0; ch < 2; ch++){ if(bands[i].res[ch]){ j = 0; - mul = mpc_CC[bands[i].res[ch]] * mpc7_SCF[bands[i].scf_idx[ch][0]]; + mul = mpc_CC[bands[i].res[ch]] * mpc_SCF[bands[i].scf_idx[ch][0]]; for(; j < 12; j++) - c->sb_samples[ch][j][i] = mul * Q[ch][j + off]; - mul = mpc_CC[bands[i].res[ch]] * mpc7_SCF[bands[i].scf_idx[ch][1]]; + c->sb_samples[ch][j][i] = mul * c->Q[ch][j + off]; + mul = mpc_CC[bands[i].res[ch]] * mpc_SCF[bands[i].scf_idx[ch][1]]; for(; j < 24; j++) - c->sb_samples[ch][j][i] = mul * Q[ch][j + off]; - mul = mpc_CC[bands[i].res[ch]] * mpc7_SCF[bands[i].scf_idx[ch][2]]; + c->sb_samples[ch][j][i] = mul * c->Q[ch][j + off]; + mul = mpc_CC[bands[i].res[ch]] * mpc_SCF[bands[i].scf_idx[ch][2]]; for(; j < 36; j++) - c->sb_samples[ch][j][i] = mul * Q[ch][j + off]; + c->sb_samples[ch][j][i] = mul * c->Q[ch][j + off]; } } if(bands[i].msf){ @@ -313,41 +105,4 @@ static int mpc7_decode_frame(AVCodecContext * avctx, } mpc_synth(c, data); - - av_free(bits); - - bits_used = get_bits_count(&gb); - bits_avail = (buf_size - 4) * 8; - if(!buf[1] && ((bits_avail < bits_used) || (bits_used + 32 <= bits_avail))){ - av_log(NULL,0, "Error decoding frame: used %i of %i bits\n", bits_used, bits_avail); - return -1; - } - if(c->frames_to_skip){ - c->frames_to_skip--; - *data_size = 0; - return buf_size; - } - *data_size = (buf[1] ? c->lastframelen : MPC_FRAME_SIZE) * 4; - - return buf_size; } - -static void mpc7_decode_flush(AVCodecContext *avctx) -{ - MPCContext *c = avctx->priv_data; - - memset(c->oldDSCF, 0, sizeof(c->oldDSCF)); - c->frames_to_skip = 32; -} - -AVCodec mpc7_decoder = { - "mpc sv7", - CODEC_TYPE_AUDIO, - CODEC_ID_MUSEPACK7, - sizeof(MPCContext), - mpc7_decode_init, - NULL, - NULL, - mpc7_decode_frame, - .flush = mpc7_decode_flush, -}; diff --git a/libavcodec/mpc.h b/libavcodec/mpc.h new file mode 100644 index 0000000000..ce438e3af9 --- /dev/null +++ b/libavcodec/mpc.h @@ -0,0 +1,80 @@ +/* + * Musepack decoder + * Copyright (c) 2006 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 mpc.h Musepack decoder + * MPEG Audio Layer 1/2 -like codec with frames of 1152 samples + * divided into 32 subbands. + */ + +#ifndef FFMPEG_MPC_H +#define FFMPEG_MPC_H + +#include "avcodec.h" +#include "bitstream.h" +#include "dsputil.h" +#include "random.h" + +#ifdef CONFIG_MPEGAUDIO_HP +#define USE_HIGHPRECISION +#endif +#include "mpegaudio.h" + +#include "mpcdata.h" + +#define BANDS 32 +#define SAMPLES_PER_BAND 36 +#define MPC_FRAME_SIZE (BANDS * SAMPLES_PER_BAND) + +/** Subband structure - hold all variables for each subband */ +typedef struct { + int msf; ///< mid-stereo flag + int res[2]; + int scfi[2]; + int scf_idx[2][3]; + int Q[2]; +}Band; + +typedef struct { + DSPContext dsp; + GetBitContext gb; + int IS, MSS, gapless; + int lastframelen; + int maxbands, last_max_band; + int last_bits_used; + int oldDSCF[2][BANDS]; + Band bands[BANDS]; + int Q[2][MPC_FRAME_SIZE]; + int cur_frame, frames; + uint8_t *bits; + int buf_size; + AVRandomState rnd; + int frames_to_skip; + /* for synthesis */ + DECLARE_ALIGNED_16(MPA_INT, synth_buf[MPA_MAX_CHANNELS][512*2]); + int synth_buf_offset[MPA_MAX_CHANNELS]; + DECLARE_ALIGNED_16(int32_t, sb_samples[MPA_MAX_CHANNELS][36][SBLIMIT]); +} MPCContext; + +extern void ff_mpc_init(); +extern void ff_mpc_dequantize_and_synth(MPCContext *c, int maxband, void *dst); + +#endif /* FFMPEG_MPC_H */ diff --git a/libavcodec/mpc7.c b/libavcodec/mpc7.c new file mode 100644 index 0000000000..1632dfc2af --- /dev/null +++ b/libavcodec/mpc7.c @@ -0,0 +1,276 @@ +/* + * Musepack SV7 decoder + * Copyright (c) 2006 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 mpc7.c Musepack SV7 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 "mpc7data.h" + +#define BANDS 32 +#define SAMPLES_PER_BAND 36 +#define MPC_FRAME_SIZE (BANDS * SAMPLES_PER_BAND) + +static VLC scfi_vlc, dscf_vlc, hdr_vlc, quant_vlc[MPC7_QUANT_VLC_TABLES][2]; + +static int mpc7_decode_init(AVCodecContext * avctx) +{ + int i, j; + MPCContext *c = avctx->priv_data; + GetBitContext gb; + uint8_t buf[16]; + static int vlc_inited = 0; + + if(avctx->extradata_size < 16){ + 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); + c->dsp.bswap_buf(buf, avctx->extradata, 4); + ff_mpc_init(); + init_get_bits(&gb, buf, 128); + + c->IS = get_bits1(&gb); + c->MSS = get_bits1(&gb); + c->maxbands = get_bits(&gb, 6); + if(c->maxbands >= BANDS){ + av_log(avctx, AV_LOG_ERROR, "Too many bands: %i\n", c->maxbands); + return -1; + } + skip_bits(&gb, 88); + c->gapless = get_bits1(&gb); + c->lastframelen = get_bits(&gb, 11); + av_log(avctx, AV_LOG_DEBUG, "IS: %d, MSS: %d, TG: %d, LFL: %d, bands: %d\n", + c->IS, c->MSS, c->gapless, c->lastframelen, c->maxbands); + c->frames_to_skip = 0; + + if(vlc_inited) return 0; + av_log(avctx, AV_LOG_DEBUG, "Initing VLC\n"); + if(init_vlc(&scfi_vlc, MPC7_SCFI_BITS, MPC7_SCFI_SIZE, + &mpc7_scfi[1], 2, 1, + &mpc7_scfi[0], 2, 1, INIT_VLC_USE_STATIC)){ + av_log(avctx, AV_LOG_ERROR, "Cannot init SCFI VLC\n"); + return -1; + } + if(init_vlc(&dscf_vlc, MPC7_DSCF_BITS, MPC7_DSCF_SIZE, + &mpc7_dscf[1], 2, 1, + &mpc7_dscf[0], 2, 1, INIT_VLC_USE_STATIC)){ + av_log(avctx, AV_LOG_ERROR, "Cannot init DSCF VLC\n"); + return -1; + } + if(init_vlc(&hdr_vlc, MPC7_HDR_BITS, MPC7_HDR_SIZE, + &mpc7_hdr[1], 2, 1, + &mpc7_hdr[0], 2, 1, INIT_VLC_USE_STATIC)){ + av_log(avctx, AV_LOG_ERROR, "Cannot init HDR VLC\n"); + return -1; + } + for(i = 0; i < MPC7_QUANT_VLC_TABLES; i++){ + for(j = 0; j < 2; j++){ + if(init_vlc(&quant_vlc[i][j], 9, mpc7_quant_vlc_sizes[i], + &mpc7_quant_vlc[i][j][1], 4, 2, + &mpc7_quant_vlc[i][j][0], 4, 2, INIT_VLC_USE_STATIC)){ + av_log(avctx, AV_LOG_ERROR, "Cannot init QUANT VLC %i,%i\n",i,j); + return -1; + } + } + } + vlc_inited = 1; + return 0; +} + +/** + * Fill samples for given subband + */ +static inline void idx_to_quant(MPCContext *c, GetBitContext *gb, int idx, int *dst) +{ + int i, i1, t; + switch(idx){ + case -1: + for(i = 0; i < SAMPLES_PER_BAND; i++){ + *dst++ = (av_random(&c->rnd) & 0x3FC) - 510; + } + break; + case 1: + i1 = get_bits1(gb); + for(i = 0; i < SAMPLES_PER_BAND/3; i++){ + t = get_vlc2(gb, quant_vlc[0][i1].table, 9, 2); + *dst++ = mpc7_idx30[t]; + *dst++ = mpc7_idx31[t]; + *dst++ = mpc7_idx32[t]; + } + break; + case 2: + i1 = get_bits1(gb); + for(i = 0; i < SAMPLES_PER_BAND/2; i++){ + t = get_vlc2(gb, quant_vlc[1][i1].table, 9, 2); + *dst++ = mpc7_idx50[t]; + *dst++ = mpc7_idx51[t]; + } + break; + case 3: case 4: case 5: case 6: case 7: + i1 = get_bits1(gb); + for(i = 0; i < SAMPLES_PER_BAND; i++) + *dst++ = get_vlc2(gb, quant_vlc[idx-1][i1].table, 9, 2) - mpc7_quant_vlc_off[idx-1]; + break; + case 8: case 9: case 10: case 11: case 12: + case 13: case 14: case 15: case 16: case 17: + t = (1 << (idx - 2)) - 1; + for(i = 0; i < SAMPLES_PER_BAND; i++) + *dst++ = get_bits(gb, idx - 1) - t; + break; + default: // case 0 and -2..-17 + return; + } +} + +static int mpc7_decode_frame(AVCodecContext * avctx, + void *data, int *data_size, + uint8_t * buf, int buf_size) +{ + MPCContext *c = avctx->priv_data; + GetBitContext gb; + uint8_t *bits; + int i, ch, t; + int mb = -1; + Band *bands = c->bands; + int off; + int bits_used, bits_avail; + + memset(bands, 0, sizeof(bands)); + if(buf_size <= 4){ + av_log(avctx, AV_LOG_ERROR, "Too small buffer passed (%i bytes)\n", buf_size); + } + + bits = av_malloc(((buf_size - 1) & ~3) + FF_INPUT_BUFFER_PADDING_SIZE); + c->dsp.bswap_buf(bits, buf + 4, (buf_size - 4) >> 2); + init_get_bits(&gb, bits, (buf_size - 4)* 8); + skip_bits(&gb, buf[0]); + + /* read subband indexes */ + for(i = 0; i <= c->maxbands; i++){ + for(ch = 0; ch < 2; ch++){ + if(i) t = get_vlc2(&gb, hdr_vlc.table, MPC7_HDR_BITS, 1) - 5; + if(!i || (t == 4)) bands[i].res[ch] = get_bits(&gb, 4); + else bands[i].res[ch] = bands[i-1].res[ch] + t; + } + + if(bands[i].res[0] || bands[i].res[1]){ + mb = i; + if(c->MSS) bands[i].msf = get_bits1(&gb); + } + } + /* get scale indexes coding method */ + for(i = 0; i <= mb; i++) + for(ch = 0; ch < 2; ch++) + if(bands[i].res[ch]) bands[i].scfi[ch] = get_vlc2(&gb, scfi_vlc.table, MPC7_SCFI_BITS, 1); + /* get scale indexes */ + for(i = 0; i <= mb; i++){ + for(ch = 0; ch < 2; ch++){ + if(bands[i].res[ch]){ + bands[i].scf_idx[ch][2] = c->oldDSCF[ch][i]; + t = get_vlc2(&gb, dscf_vlc.table, MPC7_DSCF_BITS, 1) - 7; + bands[i].scf_idx[ch][0] = (t == 8) ? get_bits(&gb, 6) : (bands[i].scf_idx[ch][2] + t); + switch(bands[i].scfi[ch]){ + case 0: + t = get_vlc2(&gb, dscf_vlc.table, MPC7_DSCF_BITS, 1) - 7; + bands[i].scf_idx[ch][1] = (t == 8) ? get_bits(&gb, 6) : (bands[i].scf_idx[ch][0] + t); + t = get_vlc2(&gb, dscf_vlc.table, MPC7_DSCF_BITS, 1) - 7; + bands[i].scf_idx[ch][2] = (t == 8) ? get_bits(&gb, 6) : (bands[i].scf_idx[ch][1] + t); + break; + case 1: + t = get_vlc2(&gb, dscf_vlc.table, MPC7_DSCF_BITS, 1) - 7; + bands[i].scf_idx[ch][1] = (t == 8) ? get_bits(&gb, 6) : (bands[i].scf_idx[ch][0] + t); + bands[i].scf_idx[ch][2] = bands[i].scf_idx[ch][1]; + break; + case 2: + bands[i].scf_idx[ch][1] = bands[i].scf_idx[ch][0]; + t = get_vlc2(&gb, dscf_vlc.table, MPC7_DSCF_BITS, 1) - 7; + bands[i].scf_idx[ch][2] = (t == 8) ? get_bits(&gb, 6) : (bands[i].scf_idx[ch][1] + t); + break; + case 3: + bands[i].scf_idx[ch][2] = bands[i].scf_idx[ch][1] = bands[i].scf_idx[ch][0]; + break; + } + c->oldDSCF[ch][i] = bands[i].scf_idx[ch][2]; + } + } + } + /* get quantizers */ + memset(c->Q, 0, sizeof(c->Q)); + off = 0; + for(i = 0; i < BANDS; i++, off += SAMPLES_PER_BAND) + for(ch = 0; ch < 2; ch++) + idx_to_quant(c, &gb, bands[i].res[ch], c->Q[ch] + off); + + ff_mpc_dequantize_and_synth(c, mb, data); + + av_free(bits); + + bits_used = get_bits_count(&gb); + bits_avail = (buf_size - 4) * 8; + if(!buf[1] && ((bits_avail < bits_used) || (bits_used + 32 <= bits_avail))){ + av_log(NULL,0, "Error decoding frame: used %i of %i bits\n", bits_used, bits_avail); + return -1; + } + if(c->frames_to_skip){ + c->frames_to_skip--; + *data_size = 0; + return buf_size; + } + *data_size = (buf[1] ? c->lastframelen : MPC_FRAME_SIZE) * 4; + + return buf_size; +} + +static void mpc7_decode_flush(AVCodecContext *avctx) +{ + MPCContext *c = avctx->priv_data; + + memset(c->oldDSCF, 0, sizeof(c->oldDSCF)); + c->frames_to_skip = 32; +} + +AVCodec mpc7_decoder = { + "mpc sv7", + CODEC_TYPE_AUDIO, + CODEC_ID_MUSEPACK7, + sizeof(MPCContext), + mpc7_decode_init, + NULL, + NULL, + mpc7_decode_frame, + .flush = mpc7_decode_flush, +}; diff --git a/libavcodec/mpc7data.h b/libavcodec/mpc7data.h new file mode 100644 index 0000000000..b9e64702ec --- /dev/null +++ b/libavcodec/mpc7data.h @@ -0,0 +1,171 @@ +/* + * Musepack decoder + * Copyright (c) 2006 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_MPC7DATA_H +#define FFMPEG_MPC7DATA_H + +#include + +static const int8_t mpc7_idx30[] = { -1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1}; +static const int8_t mpc7_idx31[] = { -1,-1,-1, 0, 0, 0, 1, 1, 1,-1,-1,-1, 0, 0, 0, 1, 1, 1,-1,-1,-1, 0, 0, 0, 1, 1, 1}; +static const int8_t mpc7_idx32[] = { -1,-1,-1,-1,-1,-1,-1,-1,-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1}; +static const int8_t mpc7_idx50[] = { -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 mpc7_idx51[] = { -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}; + +#define MPC7_SCFI_SIZE 4 +#define MPC7_SCFI_BITS 3 +static const uint8_t mpc7_scfi[MPC7_SCFI_SIZE * 2] = { + 0x2, 3, 0x1, 1, 0x3, 3, 0x0, 2 +}; + +#define MPC7_DSCF_SIZE 16 +#define MPC7_DSCF_BITS 6 +static const uint8_t mpc7_dscf[MPC7_DSCF_SIZE * 2] = { + 0x20, 6, 0x04, 5, 0x11, 5, 0x1E, 5, 0x0D, 4, 0x00, 3, 0x03, 3, 0x09, 4, + 0x05, 3, 0x02, 3, 0x0E, 4, 0x03, 4, 0x1F, 5, 0x05, 5, 0x21, 6, 0x0C, 4 +}; + +#define MPC7_HDR_SIZE 10 +#define MPC7_HDR_BITS 9 +static const uint8_t mpc7_hdr[MPC7_HDR_SIZE * 2] = { + 0x5C, 8, 0x2F, 7, 0x0A, 5, 0x04, 4, 0x00, 2, + 0x01, 1, 0x03, 3, 0x16, 6, 0xBB, 9, 0xBA, 9 +}; + +#define MPC7_QUANT_VLC_TABLES 7 +static const uint8_t mpc7_quant_vlc_sizes[MPC7_QUANT_VLC_TABLES * 2] = { + 27, 25, 7, 9, 15, 31, 63 +}; + +static const uint8_t mpc7_quant_vlc_off[MPC7_QUANT_VLC_TABLES] = { + 0, 0, 3, 4, 7, 15, 31 +}; + +static const uint16_t mpc7_quant_vlc[MPC7_QUANT_VLC_TABLES][2][64 * 2] = { +{ + { + 0x0036, 6, 0x0009, 5, 0x0020, 6, 0x0005, 5, 0x000A, 4, 0x0007, 5, + 0x0034, 6, 0x0000, 5, 0x0023, 6, 0x000A, 5, 0x0006, 4, 0x0004, 5, + 0x000B, 4, 0x0007, 3, 0x000C, 4, 0x0003, 5, 0x0007, 4, 0x000B, 5, + 0x0022, 6, 0x0001, 5, 0x0035, 6, 0x0006, 5, 0x0009, 4, 0x0002, 5, + 0x0021, 6, 0x0008, 5, 0x0037, 6 + }, + { + 0x0067, 8, 0x003E, 7, 0x00E1, 9, 0x0037, 7, 0x0003, 4, 0x0034, 7, + 0x0065, 8, 0x003C, 7, 0x00E3, 9, 0x0018, 6, 0x0000, 4, 0x003D, 7, + 0x0004, 4, 0x0001, 1, 0x0005, 4, 0x003F, 7, 0x0001, 4, 0x003B, 7, + 0x00E2, 9, 0x0039, 7, 0x0064, 8, 0x0035, 7, 0x0002, 4, 0x0036, 7, + 0x00E0, 9, 0x003A, 7, 0x0066, 8 + } +}, +{ + { + 0x0059, 7, 0x002F, 6, 0x000F, 5, 0x0000, 5, 0x005B, 7, 0x0004, 5, + 0x0006, 4, 0x000D, 4, 0x0004, 4, 0x0005, 5, 0x0014, 5, 0x000C, 4, + 0x0004, 3, 0x000F, 4, 0x000E, 5, 0x0003, 5, 0x0003, 4, 0x000E, 4, + 0x0005, 4, 0x0001, 5, 0x005A, 7, 0x0002, 5, 0x0015, 5, 0x002E, 6, + 0x0058, 7 + }, + { + 0x0399, 10, 0x0071, 7, 0x0033, 6, 0x00E7, 8, 0x039A, 10, 0x0068, 7, + 0x001E, 5, 0x0000, 3, 0x001D, 5, 0x0069, 7, 0x0032, 6, 0x0001, 3, + 0x0002, 2, 0x0003, 3, 0x0031, 6, 0x006B, 7, 0x001B, 5, 0x0002, 3, + 0x001F, 5, 0x0070, 7, 0x0398, 10, 0x006A, 7, 0x0030, 6, 0x0072, 7, + 0x039B, 10 + } +}, +{ + { + 0x000C, 4, 0x0004, 3, 0x0000, 2, 0x0001, 2, 0x0007, 3, 0x0005, 3, 0x000D, 4 + }, + { + 0x0004, 5, 0x0003, 4, 0x0002, 2, 0x0003, 2, 0x0001, 2, 0x0000, 3, 0x0005, 5 + } +}, +{ + { + 0x0005, 4, 0x0000, 3, 0x0004, 3, 0x0006, 3, 0x0007, 3, 0x0005, 3, 0x0003, 3, 0x0001, 3, 0x0004, 4 + }, + { + 0x0009, 5, 0x000C, 4, 0x0003, 3, 0x0000, 2, 0x0002, 2, 0x0007, 3, 0x000D, 4, 0x0005, 4, 0x0008, 5 + } +}, +{ + { + 0x0039, 6, 0x0017, 5, 0x0008, 4, 0x000A, 4, 0x000D, 4, 0x0000, 3, + 0x0002, 3, 0x0003, 3, 0x0001, 3, 0x000F, 4, 0x000C, 4, 0x0009, 4, + 0x001D, 5, 0x0016, 5, 0x0038, 6, + }, + { + 0x00E5, 8, 0x0038, 6, 0x0007, 5, 0x0002, 4, 0x0000, 3, 0x0003, 3, + 0x0005, 3, 0x0006, 3, 0x0004, 3, 0x0002, 3, 0x000F, 4, 0x001D, 5, + 0x0006, 5, 0x0073, 7, 0x00E4, 8, + }, +}, +{ + { + 0x0041, 7, 0x0006, 6, 0x002C, 6, 0x002D, 6, 0x003B, 6, 0x000D, 5, + 0x0011, 5, 0x0013, 5, 0x0017, 5, 0x0015, 5, 0x001A, 5, 0x001E, 5, + 0x0000, 4, 0x0002, 4, 0x0005, 4, 0x0007, 4, 0x0003, 4, 0x0004, 4, + 0x001F, 5, 0x001C, 5, 0x0019, 5, 0x001B, 5, 0x0018, 5, 0x0014, 5, + 0x0012, 5, 0x000C, 5, 0x0002, 5, 0x003A, 6, 0x0021, 6, 0x0007, 6, + 0x0040, 7 + }, + { + 0x1948, 13, 0x194A, 13, 0x0328, 10, 0x0195, 9, 0x00CB, 8, 0x0066, 7, + 0x0031, 6, 0x0009, 5, 0x000F, 5, 0x001F, 5, 0x0002, 4, 0x0006, 4, + 0x0008, 4, 0x000B, 4, 0x000D, 4, 0x0000, 3, 0x000E, 4, 0x000A, 4, + 0x0009, 4, 0x0005, 4, 0x0003, 4, 0x001E, 5, 0x000E, 5, 0x0008, 5, + 0x0030, 6, 0x0067, 7, 0x00C9, 8, 0x00C8, 8, 0x0653, 11, 0x1949, 13, + 0x194B, 13 + } +}, +{ + { + 0x0067, 8, 0x0099, 8, 0x00B5, 8, 0x00E9, 8, 0x0040, 7, 0x0041, 7, + 0x004D, 7, 0x0051, 7, 0x005B, 7, 0x0071, 7, 0x0070, 7, 0x0018, 6, + 0x001D, 6, 0x0023, 6, 0x0025, 6, 0x0029, 6, 0x002C, 6, 0x002E, 6, + 0x0033, 6, 0x0031, 6, 0x0036, 6, 0x0037, 6, 0x0039, 6, 0x003C, 6, + 0x0000, 5, 0x0002, 5, 0x000A, 5, 0x0005, 5, 0x0009, 5, 0x0006, 5, + 0x000D, 5, 0x0007, 5, 0x000B, 5, 0x000F, 5, 0x0008, 5, 0x0004, 5, + 0x0003, 5, 0x0001, 5, 0x003F, 6, 0x003E, 6, 0x003D, 6, 0x0035, 6, + 0x003B, 6, 0x0034, 6, 0x0030, 6, 0x002F, 6, 0x002B, 6, 0x002A, 6, + 0x0027, 6, 0x0024, 6, 0x0021, 6, 0x001C, 6, 0x0075, 7, 0x0065, 7, + 0x0064, 7, 0x0050, 7, 0x0045, 7, 0x0044, 7, 0x0032, 7, 0x00E8, 8, + 0x00B4, 8, 0x0098, 8, 0x0066, 8 + }, + { + 0x37A4, 14, 0x37AD, 14, 0x37A6, 14, 0x37AE, 14, 0x0DEA, 12, 0x02F0, 10, + 0x02F1, 10, 0x00A0, 9, 0x00A2, 9, 0x01BC, 9, 0x007A, 8, 0x00DF, 8, + 0x003C, 7, 0x0049, 7, 0x006E, 7, 0x000E, 6, 0x0018, 6, 0x0019, 6, + 0x0022, 6, 0x0025, 6, 0x0036, 6, 0x0003, 5, 0x0009, 5, 0x000B, 5, + 0x0010, 5, 0x0013, 5, 0x0015, 5, 0x0018, 5, 0x001A, 5, 0x001D, 5, + 0x001F, 5, 0x0002, 4, 0x0000, 4, 0x001E, 5, 0x001C, 5, 0x0019, 5, + 0x0016, 5, 0x0014, 5, 0x000E, 5, 0x000D, 5, 0x0008, 5, 0x0006, 5, + 0x0002, 5, 0x002E, 6, 0x0023, 6, 0x001F, 6, 0x0015, 6, 0x000F, 6, + 0x005F, 7, 0x0048, 7, 0x0029, 7, 0x00BD, 8, 0x007B, 8, 0x0179, 9, + 0x00A1, 9, 0x037B, 10, 0x0147, 10, 0x0146, 10, 0x0DE8, 12, 0x37AF, 14, + 0x37A7, 14, 0x37AC, 14, 0x37A5, 14 + } +} +}; + +#endif /* FFMPEG_MPC7DATA_H */ diff --git a/libavcodec/mpcdata.h b/libavcodec/mpcdata.h index aef88098d2..23ad06d9c5 100644 --- a/libavcodec/mpcdata.h +++ b/libavcodec/mpcdata.h @@ -24,157 +24,13 @@ #include -static const int8_t mpc_idx30[] = { -1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1}; -static const int8_t mpc_idx31[] = { -1,-1,-1, 0, 0, 0, 1, 1, 1,-1,-1,-1, 0, 0, 0, 1, 1, 1,-1,-1,-1, 0, 0, 0, 1, 1, 1}; -static const int8_t mpc_idx32[] = { -1,-1,-1,-1,-1,-1,-1,-1,-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1}; -static const int8_t mpc_idx50[] = { -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 mpc_idx51[] = { -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 float mpc_CC[18] = { 65536.0000, 21845.3333, 13107.2000, 9362.2857, 7281.7778, 4369.0667, 2114.0645, 1040.2539, 516.0315, 257.0039, 128.2505, 64.0626, 32.0156, 16.0039, 8.0010, 4.0002, 2.0001, 1.0000 }; -#define MPC7_SCFI_SIZE 4 -#define MPC7_SCFI_BITS 3 -static const uint8_t mpc7_scfi[MPC7_SCFI_SIZE * 2] = { - 0x2, 3, 0x1, 1, 0x3, 3, 0x0, 2 -}; - -#define MPC7_DSCF_SIZE 16 -#define MPC7_DSCF_BITS 6 -static const uint8_t mpc7_dscf[MPC7_DSCF_SIZE * 2] = { - 0x20, 6, 0x04, 5, 0x11, 5, 0x1E, 5, 0x0D, 4, 0x00, 3, 0x03, 3, 0x09, 4, - 0x05, 3, 0x02, 3, 0x0E, 4, 0x03, 4, 0x1F, 5, 0x05, 5, 0x21, 6, 0x0C, 4 -}; - -#define MPC7_HDR_SIZE 10 -#define MPC7_HDR_BITS 9 -static const uint8_t mpc7_hdr[MPC7_HDR_SIZE * 2] = { - 0x5C, 8, 0x2F, 7, 0x0A, 5, 0x04, 4, 0x00, 2, - 0x01, 1, 0x03, 3, 0x16, 6, 0xBB, 9, 0xBA, 9 -}; - -#define MPC7_QUANT_VLC_TABLES 7 -static const uint8_t mpc7_quant_vlc_sizes[MPC7_QUANT_VLC_TABLES * 2] = { - 27, 25, 7, 9, 15, 31, 63 -}; - -static const uint8_t mpc7_quant_vlc_off[MPC7_QUANT_VLC_TABLES] = { - 0, 0, 3, 4, 7, 15, 31 -}; - -static const uint16_t mpc7_quant_vlc[MPC7_QUANT_VLC_TABLES][2][64 * 2] = { -{ - { - 0x0036, 6, 0x0009, 5, 0x0020, 6, 0x0005, 5, 0x000A, 4, 0x0007, 5, - 0x0034, 6, 0x0000, 5, 0x0023, 6, 0x000A, 5, 0x0006, 4, 0x0004, 5, - 0x000B, 4, 0x0007, 3, 0x000C, 4, 0x0003, 5, 0x0007, 4, 0x000B, 5, - 0x0022, 6, 0x0001, 5, 0x0035, 6, 0x0006, 5, 0x0009, 4, 0x0002, 5, - 0x0021, 6, 0x0008, 5, 0x0037, 6 - }, - { - 0x0067, 8, 0x003E, 7, 0x00E1, 9, 0x0037, 7, 0x0003, 4, 0x0034, 7, - 0x0065, 8, 0x003C, 7, 0x00E3, 9, 0x0018, 6, 0x0000, 4, 0x003D, 7, - 0x0004, 4, 0x0001, 1, 0x0005, 4, 0x003F, 7, 0x0001, 4, 0x003B, 7, - 0x00E2, 9, 0x0039, 7, 0x0064, 8, 0x0035, 7, 0x0002, 4, 0x0036, 7, - 0x00E0, 9, 0x003A, 7, 0x0066, 8 - } -}, -{ - { - 0x0059, 7, 0x002F, 6, 0x000F, 5, 0x0000, 5, 0x005B, 7, 0x0004, 5, - 0x0006, 4, 0x000D, 4, 0x0004, 4, 0x0005, 5, 0x0014, 5, 0x000C, 4, - 0x0004, 3, 0x000F, 4, 0x000E, 5, 0x0003, 5, 0x0003, 4, 0x000E, 4, - 0x0005, 4, 0x0001, 5, 0x005A, 7, 0x0002, 5, 0x0015, 5, 0x002E, 6, - 0x0058, 7 - }, - { - 0x0399, 10, 0x0071, 7, 0x0033, 6, 0x00E7, 8, 0x039A, 10, 0x0068, 7, - 0x001E, 5, 0x0000, 3, 0x001D, 5, 0x0069, 7, 0x0032, 6, 0x0001, 3, - 0x0002, 2, 0x0003, 3, 0x0031, 6, 0x006B, 7, 0x001B, 5, 0x0002, 3, - 0x001F, 5, 0x0070, 7, 0x0398, 10, 0x006A, 7, 0x0030, 6, 0x0072, 7, - 0x039B, 10 - } -}, -{ - { - 0x000C, 4, 0x0004, 3, 0x0000, 2, 0x0001, 2, 0x0007, 3, 0x0005, 3, 0x000D, 4 - }, - { - 0x0004, 5, 0x0003, 4, 0x0002, 2, 0x0003, 2, 0x0001, 2, 0x0000, 3, 0x0005, 5 - } -}, -{ - { - 0x0005, 4, 0x0000, 3, 0x0004, 3, 0x0006, 3, 0x0007, 3, 0x0005, 3, 0x0003, 3, 0x0001, 3, 0x0004, 4 - }, - { - 0x0009, 5, 0x000C, 4, 0x0003, 3, 0x0000, 2, 0x0002, 2, 0x0007, 3, 0x000D, 4, 0x0005, 4, 0x0008, 5 - } -}, -{ - { - 0x0039, 6, 0x0017, 5, 0x0008, 4, 0x000A, 4, 0x000D, 4, 0x0000, 3, - 0x0002, 3, 0x0003, 3, 0x0001, 3, 0x000F, 4, 0x000C, 4, 0x0009, 4, - 0x001D, 5, 0x0016, 5, 0x0038, 6, - }, - { - 0x00E5, 8, 0x0038, 6, 0x0007, 5, 0x0002, 4, 0x0000, 3, 0x0003, 3, - 0x0005, 3, 0x0006, 3, 0x0004, 3, 0x0002, 3, 0x000F, 4, 0x001D, 5, - 0x0006, 5, 0x0073, 7, 0x00E4, 8, - }, -}, -{ - { - 0x0041, 7, 0x0006, 6, 0x002C, 6, 0x002D, 6, 0x003B, 6, 0x000D, 5, - 0x0011, 5, 0x0013, 5, 0x0017, 5, 0x0015, 5, 0x001A, 5, 0x001E, 5, - 0x0000, 4, 0x0002, 4, 0x0005, 4, 0x0007, 4, 0x0003, 4, 0x0004, 4, - 0x001F, 5, 0x001C, 5, 0x0019, 5, 0x001B, 5, 0x0018, 5, 0x0014, 5, - 0x0012, 5, 0x000C, 5, 0x0002, 5, 0x003A, 6, 0x0021, 6, 0x0007, 6, - 0x0040, 7 - }, - { - 0x1948, 13, 0x194A, 13, 0x0328, 10, 0x0195, 9, 0x00CB, 8, 0x0066, 7, - 0x0031, 6, 0x0009, 5, 0x000F, 5, 0x001F, 5, 0x0002, 4, 0x0006, 4, - 0x0008, 4, 0x000B, 4, 0x000D, 4, 0x0000, 3, 0x000E, 4, 0x000A, 4, - 0x0009, 4, 0x0005, 4, 0x0003, 4, 0x001E, 5, 0x000E, 5, 0x0008, 5, - 0x0030, 6, 0x0067, 7, 0x00C9, 8, 0x00C8, 8, 0x0653, 11, 0x1949, 13, - 0x194B, 13 - } -}, -{ - { - 0x0067, 8, 0x0099, 8, 0x00B5, 8, 0x00E9, 8, 0x0040, 7, 0x0041, 7, - 0x004D, 7, 0x0051, 7, 0x005B, 7, 0x0071, 7, 0x0070, 7, 0x0018, 6, - 0x001D, 6, 0x0023, 6, 0x0025, 6, 0x0029, 6, 0x002C, 6, 0x002E, 6, - 0x0033, 6, 0x0031, 6, 0x0036, 6, 0x0037, 6, 0x0039, 6, 0x003C, 6, - 0x0000, 5, 0x0002, 5, 0x000A, 5, 0x0005, 5, 0x0009, 5, 0x0006, 5, - 0x000D, 5, 0x0007, 5, 0x000B, 5, 0x000F, 5, 0x0008, 5, 0x0004, 5, - 0x0003, 5, 0x0001, 5, 0x003F, 6, 0x003E, 6, 0x003D, 6, 0x0035, 6, - 0x003B, 6, 0x0034, 6, 0x0030, 6, 0x002F, 6, 0x002B, 6, 0x002A, 6, - 0x0027, 6, 0x0024, 6, 0x0021, 6, 0x001C, 6, 0x0075, 7, 0x0065, 7, - 0x0064, 7, 0x0050, 7, 0x0045, 7, 0x0044, 7, 0x0032, 7, 0x00E8, 8, - 0x00B4, 8, 0x0098, 8, 0x0066, 8 - }, - { - 0x37A4, 14, 0x37AD, 14, 0x37A6, 14, 0x37AE, 14, 0x0DEA, 12, 0x02F0, 10, - 0x02F1, 10, 0x00A0, 9, 0x00A2, 9, 0x01BC, 9, 0x007A, 8, 0x00DF, 8, - 0x003C, 7, 0x0049, 7, 0x006E, 7, 0x000E, 6, 0x0018, 6, 0x0019, 6, - 0x0022, 6, 0x0025, 6, 0x0036, 6, 0x0003, 5, 0x0009, 5, 0x000B, 5, - 0x0010, 5, 0x0013, 5, 0x0015, 5, 0x0018, 5, 0x001A, 5, 0x001D, 5, - 0x001F, 5, 0x0002, 4, 0x0000, 4, 0x001E, 5, 0x001C, 5, 0x0019, 5, - 0x0016, 5, 0x0014, 5, 0x000E, 5, 0x000D, 5, 0x0008, 5, 0x0006, 5, - 0x0002, 5, 0x002E, 6, 0x0023, 6, 0x001F, 6, 0x0015, 6, 0x000F, 6, - 0x005F, 7, 0x0048, 7, 0x0029, 7, 0x00BD, 8, 0x007B, 8, 0x0179, 9, - 0x00A1, 9, 0x037B, 10, 0x0147, 10, 0x0146, 10, 0x0DE8, 12, 0x37AF, 14, - 0x37A7, 14, 0x37AC, 14, 0x37A5, 14 - } -} -}; - -static const float mpc7_SCF[128] = { +static const float mpc_SCF[128] = { 307.330047607421875000, 255.999984741210937500, 213.243041992187500000, 177.627334594726562500, 147.960128784179687500, 123.247924804687500000, 102.663139343261718750, 85.516410827636718750, 71.233520507812500000, 59.336143493652343750, 49.425861358642578125, 41.170787811279296875,