1. ffmpeg
  2. Commit 12877faf7c3af83d60dc185cf78f0ee5a3c0f67d
Browse code

Musepack SV8 demuxer and decoder

Originally committed as revision 10938 to svn://svn.ffmpeg.org/ffmpeg/trunk

Kostya Shishkov authored on 2007/11/07 14:35:46
Showing 11 changed files
doc/general.texi
History View file @ 12877fa
... ... 
@@ -314,7 +314,7 @@ following image formats are supported:
314 314 
 @tab Codec used in Delphine Software games.
315 315 
 @item Intel Music Coder      @tab      @tab X
316 316 
 @item Musepack               @tab      @tab X
317 
-@tab Only SV7 is supported
317 
+@tab SV7 and SV8 are supported
318 318 
 @item DT$ Coherent Audio     @tab      @tab X
319 319 
 @item ATRAC 3                @tab      @tab X
320 320 
 @item Monkey's Audio         @tab      @tab X @tab Only versions 3.97-3.99 are supported
libavcodec/Makefile
History View file @ 12877fa
... ... 
@@ -115,6 +115,7 @@ OBJS-$(CONFIG_MP3_DECODER)             += mpegaudiodec.o mpegaudiodecheader.o mp
115 115 
 OBJS-$(CONFIG_MP3ADU_DECODER)          += mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o
116 116 
 OBJS-$(CONFIG_MP3ON4_DECODER)          += mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o
117 117 
 OBJS-$(CONFIG_MPC7_DECODER)            += mpc7.o mpc.o mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o
118 
+OBJS-$(CONFIG_MPC8_DECODER)            += mpc8.o mpc.o mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o
118 119 
 OBJS-$(CONFIG_MPEG1VIDEO_ENCODER)      += mpeg12enc.o mpeg12data.o mpegvideo_enc.o motion_est.o ratecontrol.o
119 120 
 OBJS-$(CONFIG_MPEG2VIDEO_ENCODER)      += mpeg12enc.o mpeg12data.o mpegvideo_enc.o motion_est.o ratecontrol.o
120 121 
 OBJS-$(CONFIG_MPEG4_DECODER)           += h263dec.o h263.o
libavcodec/allcodecs.c
History View file @ 12877fa
... ... 
@@ -187,6 +187,7 @@ void avcodec_register_all(void)
187 187 
     REGISTER_DECODER (MP3ADU, mp3adu);
188 188 
     REGISTER_DECODER (MP3ON4, mp3on4);
189 189 
     REGISTER_DECODER (MPC7, mpc7);
190 
+    REGISTER_DECODER (MPC8, mpc8);
190 191 
     REGISTER_DECODER (NELLYMOSER, nellymoser);
191 192 
     REGISTER_DECODER (QDM2, qdm2);
192 193 
     REGISTER_DECODER (RA_144, ra_144);
libavcodec/avcodec.h
History View file @ 12877fa
... ... 
@@ -33,8 +33,8 @@
33 33 
 #define AV_STRINGIFY(s)         AV_TOSTRING(s)
34 34 
 #define AV_TOSTRING(s) #s
35 35
36 
-#define LIBAVCODEC_VERSION_INT  ((51<<16)+(47<<8)+2)
37 
-#define LIBAVCODEC_VERSION      51.47.2
36 
+#define LIBAVCODEC_VERSION_INT  ((51<<16)+(48<<8)+0)
37 
+#define LIBAVCODEC_VERSION      51.48.0
38 38 
 #define LIBAVCODEC_BUILD        LIBAVCODEC_VERSION_INT
39 39
40 40 
 #define LIBAVCODEC_IDENT        "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
... ... 
@@ -272,6 +272,7 @@ enum CodecID {
272 272 
     CODEC_ID_VOXWARE,
273 273 
     CODEC_ID_APE,
274 274 
     CODEC_ID_NELLYMOSER,
275 
+    CODEC_ID_MUSEPACK8,
275 276
276 277 
     /* subtitle codecs */
277 278 
     CODEC_ID_DVD_SUBTITLE= 0x17000,
libavcodec/mpc8.c
History View file @ 12877fa
278 279 
new file mode 100644
... ... 
@@ -0,0 +1,364 @@
0 
+/*
1 
+ * Musepack SV8 decoder
2 
+ * Copyright (c) 2007 Konstantin Shishkov
3 
+ *
4 
+ * This file is part of FFmpeg.
5 
+ *
6 
+ * FFmpeg is free software; you can redistribute it and/or
7 
+ * modify it under the terms of the GNU Lesser General Public
8 
+ * License as published by the Free Software Foundation; either
9 
+ * version 2.1 of the License, or (at your option) any later version.
10 
+ *
11 
+ * FFmpeg is distributed in the hope that it will be useful,
12 
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 
+ * Lesser General Public License for more details.
15 
+ *
16 
+ * You should have received a copy of the GNU Lesser General Public
17 
+ * License along with FFmpeg; if not, write to the Free Software
18 
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 
+ */
20 
+
21 
+/**
22 
+ * @file mpc8.c Musepack SV8 decoder
23 
+ * MPEG Audio Layer 1/2 -like codec with frames of 1152 samples
24 
+ * divided into 32 subbands.
25 
+ */
26 
+
27 
+#include "avcodec.h"
28 
+#include "bitstream.h"
29 
+#include "dsputil.h"
30 
+#include "random.h"
31 
+
32 
+#ifdef CONFIG_MPEGAUDIO_HP
33 
+#define USE_HIGHPRECISION
34 
+#endif
35 
+#include "mpegaudio.h"
36 
+
37 
+#include "mpc.h"
38 
+#include "mpcdata.h"
39 
+#include "mpc8data.h"
40 
+#include "mpc8huff.h"
41 
+
42 
+static VLC band_vlc, scfi_vlc[2], dscf_vlc[2], res_vlc[2];
43 
+static VLC q1_vlc, q2_vlc[2], q3_vlc[2], quant_vlc[4][2], q9up_vlc;
44 
+
45 
+static const int q3_offsets[2] = { MPC8_Q3_OFFSET, MPC8_Q4_OFFSET };
46 
+static const int quant_offsets[6] = { MPC8_Q5_OFFSET, MPC8_Q6_OFFSET, MPC8_Q7_OFFSET, MPC8_Q8_OFFSET };
47 
+
48 
+static inline int mpc8_dec_base(GetBitContext *gb, int k, int n)
49 
+{
50 
+    int code = get_bits(gb, mpc8_cnk_len[k-1][n-1] - 1);
51 
+
52 
+    if (code >= mpc8_cnk_lost[k-1][n-1])
53 
+        code = ((code << 1) | get_bits1(gb)) - mpc8_cnk_lost[k-1][n-1];
54 
+
55 
+    return code;
56 
+}
57 
+
58 
+static inline int mpc8_dec_enum(GetBitContext *gb, int k, int n)
59 
+{
60 
+    int bits = 0;
61 
+    const uint32_t * C = mpc8_cnk[k-1];
62 
+    int code = mpc8_dec_base(gb, k, n);
63 
+
64 
+    do {
65 
+        n--;
66 
+        if (code >= C[n]) {
67 
+            bits |= 1 << n;
68 
+            code -= C[n];
69 
+            C -= 32;
70 
+            k--;
71 
+        }
72 
+    } while(k > 0);
73 
+
74 
+    return bits;
75 
+}
76 
+
77 
+static inline int mpc8_get_mod_golomb(GetBitContext *gb, int m)
78 
+{
79 
+    if(mpc8_cnk_len[0][m] < 1) return 0;
80 
+    return mpc8_dec_base(gb, 1, m+1);
81 
+}
82 
+
83 
+static int mpc8_get_mask(GetBitContext *gb, int size, int t)
84 
+{
85 
+    int mask = 0;
86 
+
87 
+    if(t && t != size)
88 
+         mask = mpc8_dec_enum(gb, FFMIN(t, size - t), size);
89 
+    if((t << 1) > size) mask = ~mask;
90 
+
91 
+    return mask;
92 
+}
93 
+
94 
+static int mpc8_decode_init(AVCodecContext * avctx)
95 
+{
96 
+    int i;
97 
+    MPCContext *c = avctx->priv_data;
98 
+    GetBitContext gb;
99 
+    static int vlc_inited = 0;
100 
+
101 
+    if(avctx->extradata_size < 2){
102 
+        av_log(avctx, AV_LOG_ERROR, "Too small extradata size (%i)!\n", avctx->extradata_size);
103 
+        return -1;
104 
+    }
105 
+    memset(c->oldDSCF, 0, sizeof(c->oldDSCF));
106 
+    av_init_random(0xDEADBEEF, &c->rnd);
107 
+    dsputil_init(&c->dsp, avctx);
108 
+
109 
+    ff_mpc_init();
110 
+
111 
+    init_get_bits(&gb, avctx->extradata, 16);
112 
+
113 
+    skip_bits(&gb, 3);//sample rate
114 
+    c->maxbands = get_bits(&gb, 5) + 1;
115 
+    skip_bits(&gb, 4);//channels
116 
+    c->MSS = get_bits1(&gb);
117 
+    c->frames = 1 << (get_bits(&gb, 3) * 2);
118 
+
119 
+    if(vlc_inited) return 0;
120 
+    av_log(avctx, AV_LOG_DEBUG, "Initing VLC\n");
121 
+
122 
+    init_vlc(&band_vlc, MPC8_BANDS_BITS, MPC8_BANDS_SIZE,
123 
+             mpc8_bands_bits,  1, 1,
124 
+             mpc8_bands_codes, 1, 1, INIT_VLC_USE_STATIC);
125 
+
126 
+    init_vlc(&q1_vlc, MPC8_Q1_BITS, MPC8_Q1_SIZE,
127 
+             mpc8_q1_bits,  1, 1,
128 
+             mpc8_q1_codes, 1, 1, INIT_VLC_USE_STATIC);
129 
+    init_vlc(&q9up_vlc, MPC8_Q9UP_BITS, MPC8_Q9UP_SIZE,
130 
+             mpc8_q9up_bits,  1, 1,
131 
+             mpc8_q9up_codes, 1, 1, INIT_VLC_USE_STATIC);
132 
+
133 
+    init_vlc(&scfi_vlc[0], MPC8_SCFI0_BITS, MPC8_SCFI0_SIZE,
134 
+             mpc8_scfi0_bits,  1, 1,
135 
+             mpc8_scfi0_codes, 1, 1, INIT_VLC_USE_STATIC);
136 
+    init_vlc(&scfi_vlc[1], MPC8_SCFI1_BITS, MPC8_SCFI1_SIZE,
137 
+             mpc8_scfi1_bits,  1, 1,
138 
+             mpc8_scfi1_codes, 1, 1, INIT_VLC_USE_STATIC);
139 
+
140 
+    init_vlc(&dscf_vlc[0], MPC8_DSCF0_BITS, MPC8_DSCF0_SIZE,
141 
+             mpc8_dscf0_bits,  1, 1,
142 
+             mpc8_dscf0_codes, 1, 1, INIT_VLC_USE_STATIC);
143 
+    init_vlc(&dscf_vlc[1], MPC8_DSCF1_BITS, MPC8_DSCF1_SIZE,
144 
+             mpc8_dscf1_bits,  1, 1,
145 
+             mpc8_dscf1_codes, 1, 1, INIT_VLC_USE_STATIC);
146 
+
147 
+    init_vlc_sparse(&q3_vlc[0], MPC8_Q3_BITS, MPC8_Q3_SIZE,
148 
+             mpc8_q3_bits,  1, 1,
149 
+             mpc8_q3_codes, 1, 1,
150 
+             mpc8_q3_syms,  1, 1, INIT_VLC_USE_STATIC);
151 
+    init_vlc_sparse(&q3_vlc[1], MPC8_Q4_BITS, MPC8_Q4_SIZE,
152 
+             mpc8_q4_bits,  1, 1,
153 
+             mpc8_q4_codes, 1, 1,
154 
+             mpc8_q4_syms,  1, 1, INIT_VLC_USE_STATIC);
155 
+
156 
+    for(i = 0; i < 2; i++){
157 
+        init_vlc(&res_vlc[i], MPC8_RES_BITS, MPC8_RES_SIZE,
158 
+                 &mpc8_res_bits[i],  1, 1,
159 
+                 &mpc8_res_codes[i], 1, 1, INIT_VLC_USE_STATIC);
160 
+
161 
+        init_vlc(&q2_vlc[i], MPC8_Q2_BITS, MPC8_Q2_SIZE,
162 
+                 &mpc8_q2_bits[i],  1, 1,
163 
+                 &mpc8_q2_codes[i], 1, 1, INIT_VLC_USE_STATIC);
164 
+
165 
+        init_vlc(&quant_vlc[0][i], MPC8_Q5_BITS, MPC8_Q5_SIZE,
166 
+                 &mpc8_q5_bits[i],  1, 1,
167 
+                 &mpc8_q5_codes[i], 1, 1, INIT_VLC_USE_STATIC);
168 
+        init_vlc(&quant_vlc[1][i], MPC8_Q6_BITS, MPC8_Q6_SIZE,
169 
+                 &mpc8_q6_bits[i],  1, 1,
170 
+                 &mpc8_q6_codes[i], 1, 1, INIT_VLC_USE_STATIC);
171 
+        init_vlc(&quant_vlc[2][i], MPC8_Q7_BITS, MPC8_Q7_SIZE,
172 
+                 &mpc8_q7_bits[i],  1, 1,
173 
+                 &mpc8_q7_codes[i], 1, 1, INIT_VLC_USE_STATIC);
174 
+        init_vlc(&quant_vlc[3][i], MPC8_Q8_BITS, MPC8_Q8_SIZE,
175 
+                 &mpc8_q8_bits[i],  1, 1,
176 
+                 &mpc8_q8_codes[i], 1, 1, INIT_VLC_USE_STATIC);
177 
+    }
178 
+    vlc_inited = 1;
179 
+    return 0;
180 
+}
181 
+
182 
+static int mpc8_decode_frame(AVCodecContext * avctx,
183 
+                            void *data, int *data_size,
184 
+                            uint8_t * buf, int buf_size)
185 
+{
186 
+    MPCContext *c = avctx->priv_data;
187 
+    GetBitContext gb2, *gb = &gb2;
188 
+    int i, j, k, ch, cnt, res, t;
189 
+    Band *bands = c->bands;
190 
+    int off;
191 
+    int maxband, keyframe;
192 
+    int last[2];
193 
+
194 
+    keyframe = c->cur_frame == 0;
195 
+
196 
+    if(keyframe){
197 
+        memset(c->Q, 0, sizeof(c->Q));
198 
+        c->last_bits_used = 0;
199 
+    }
200 
+    init_get_bits(gb, buf, buf_size * 8);
201 
+    skip_bits(gb, c->last_bits_used & 7);
202 
+
203 
+    if(keyframe)
204 
+        maxband = mpc8_get_mod_golomb(gb, c->maxbands + 1);
205 
+    else{
206 
+        maxband = c->last_max_band + get_vlc2(gb, band_vlc.table, MPC8_BANDS_BITS, 2);
207 
+        if(maxband > 32) maxband -= 33;
208 
+    }
209 
+    c->last_max_band = maxband;
210 
+
211 
+    /* read subband indexes */
212 
+    if(maxband){
213 
+        last[0] = last[1] = 0;
214 
+        for(i = maxband - 1; i >= 0; i--){
215 
+            for(ch = 0; ch < 2; ch++){
216 
+                last[ch] = get_vlc2(gb, res_vlc[last[ch] > 2].table, MPC8_RES_BITS, 2) + last[ch];
217 
+                if(last[ch] > 15) last[ch] -= 17;
218 
+                bands[i].res[ch] = last[ch];
219 
+            }
220 
+        }
221 
+        if(c->MSS){
222 
+            int mask;
223 
+
224 
+            cnt = 0;
225 
+            for(i = 0; i < maxband; i++)
226 
+                if(bands[i].res[0] || bands[i].res[1])
227 
+                    cnt++;
228 
+            t = mpc8_get_mod_golomb(gb, cnt);
229 
+            mask = mpc8_get_mask(gb, cnt, t);
230 
+            for(i = maxband - 1; i >= 0; i--)
231 
+                if(bands[i].res[0] || bands[i].res[1]){
232 
+                    bands[i].msf = mask & 1;
233 
+                    mask >>= 1;
234 
+                }
235 
+        }
236 
+    }
237 
+    for(i = maxband; i < c->maxbands; i++)
238 
+        bands[i].res[0] = bands[i].res[1] = 0;
239 
+
240 
+    if(keyframe){
241 
+        for(i = 0; i < 32; i++)
242 
+            c->oldDSCF[0][i] = c->oldDSCF[1][i] = 1;
243 
+    }
244 
+
245 
+    for(i = 0; i < maxband; i++){
246 
+        if(bands[i].res[0] || bands[i].res[1]){
247 
+            cnt = !!bands[i].res[0] + !!bands[i].res[1] - 1;
248 
+            if(cnt >= 0){
249 
+                t = get_vlc2(gb, scfi_vlc[cnt].table, scfi_vlc[cnt].bits, 1);
250 
+                if(bands[i].res[0]) bands[i].scfi[0] = t >> (2 * cnt);
251 
+                if(bands[i].res[1]) bands[i].scfi[1] = t & 3;
252 
+            }
253 
+        }
254 
+    }
255 
+
256 
+    for(i = 0; i < maxband; i++){
257 
+        for(ch = 0; ch < 2; ch++){
258 
+            if(!bands[i].res[ch]) continue;
259 
+
260 
+            if(c->oldDSCF[ch][i]){
261 
+                bands[i].scf_idx[ch][0] = get_bits(gb, 7) - 6;
262 
+                c->oldDSCF[ch][i] = 0;
263 
+            }else{
264 
+                t = get_vlc2(gb, dscf_vlc[1].table, MPC8_DSCF1_BITS, 2);
265 
+                if(t == 64)
266 
+                    t += get_bits(gb, 6);
267 
+                bands[i].scf_idx[ch][0] = ((bands[i].scf_idx[ch][2] + t - 25) & 0x7F) - 6;
268 
+            }
269 
+            for(j = 0; j < 2; j++){
270 
+                if((bands[i].scfi[ch] << j) & 2)
271 
+                    bands[i].scf_idx[ch][j + 1] = bands[i].scf_idx[ch][j];
272 
+                else{
273 
+                    t = get_vlc2(gb, dscf_vlc[0].table, MPC8_DSCF0_BITS, 2);
274 
+                    if(t == 31)
275 
+                        t = 64 + get_bits(gb, 6);
276 
+                    bands[i].scf_idx[ch][j + 1] = ((bands[i].scf_idx[ch][j] + t - 25) & 0x7F) - 6;
277 
+                }
278 
+            }
279 
+        }
280 
+    }
281 
+
282 
+    for(i = 0, off = 0; i < maxband; i++, off += SAMPLES_PER_BAND){
283 
+        for(ch = 0; ch < 2; ch++){
284 
+            res = bands[i].res[ch];
285 
+            switch(res){
286 
+            case -1:
287 
+                for(j = 0; j < SAMPLES_PER_BAND; j++)
288 
+                    c->Q[ch][off + j] = (av_random(&c->rnd) & 0x3FC) - 510;
289 
+                break;
290 
+            case 0:
291 
+                break;
292 
+            case 1:
293 
+                for(j = 0; j < SAMPLES_PER_BAND; j += SAMPLES_PER_BAND / 2){
294 
+                    cnt = get_vlc2(gb, q1_vlc.table, MPC8_Q1_BITS, 2);
295 
+                    t = mpc8_get_mask(gb, 18, cnt);
296 
+                    for(k = 0; k < SAMPLES_PER_BAND / 2; k++, t <<= 1)
297 
+                        c->Q[ch][off + j + k] = (t & 0x20000) ? (get_bits1(gb) << 1) - 1 : 0;
298 
+                }
299 
+                break;
300 
+            case 2:
301 
+                cnt = 6;//2*mpc8_thres[res]
302 
+                for(j = 0; j < SAMPLES_PER_BAND; j += 3){
303 
+                    t = get_vlc2(gb, q2_vlc[cnt > 3].table, MPC8_Q2_BITS, 2);
304 
+                    c->Q[ch][off + j + 0] = mpc8_idx50[t];
305 
+                    c->Q[ch][off + j + 1] = mpc8_idx51[t];
306 
+                    c->Q[ch][off + j + 2] = mpc8_idx52[t];
307 
+                    cnt = (cnt >> 1) + mpc8_huffq2[t];
308 
+                }
309 
+                break;
310 
+            case 3:
311 
+            case 4:
312 
+                for(j = 0; j < SAMPLES_PER_BAND; j += 2){
313 
+                    t = get_vlc2(gb, q3_vlc[res - 3].table, MPC8_Q3_BITS, 2) + q3_offsets[res - 3];
314 
+                    c->Q[ch][off + j + 1] = t >> 4;
315 
+                    c->Q[ch][off + j + 0] = (t & 8) ? (t & 0xF) - 16 : (t & 0xF);
316 
+                }
317 
+                break;
318 
+            case 5:
319 
+            case 6:
320 
+            case 7:
321 
+            case 8:
322 
+                cnt = 2 * mpc8_thres[res];
323 
+                for(j = 0; j < SAMPLES_PER_BAND; j++){
324 
+                    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];
325 
+                    c->Q[ch][off + j] = t;
326 
+                    cnt = (cnt >> 1) + FFABS(c->Q[ch][off + j]);
327 
+                }
328 
+                break;
329 
+            default:
330 
+                for(j = 0; j < SAMPLES_PER_BAND; j++){
331 
+                    c->Q[ch][off + j] = get_vlc2(gb, q9up_vlc.table, MPC8_Q9UP_BITS, 2);
332 
+                    if(res != 9){
333 
+                        c->Q[ch][off + j] <<= res - 9;
334 
+                        c->Q[ch][off + j] |= get_bits(gb, res - 9);
335 
+                    }
336 
+                    c->Q[ch][off + j] -= (1 << (res - 2)) - 1;
337 
+                }
338 
+            }
339 
+        }
340 
+    }
341 
+
342 
+    ff_mpc_dequantize_and_synth(c, maxband, data);
343 
+
344 
+    c->cur_frame++;
345 
+
346 
+    c->last_bits_used = get_bits_count(gb);
347 
+    if(c->cur_frame >= c->frames)
348 
+        c->cur_frame = 0;
349 
+    *data_size =  MPC_FRAME_SIZE * 4;
350 
+
351 
+    return c->cur_frame ? c->last_bits_used >> 3 : buf_size;
352 
+}
353 
+
354 
+AVCodec mpc8_decoder = {
355 
+    "mpc sv8",
356 
+    CODEC_TYPE_AUDIO,
357 
+    CODEC_ID_MUSEPACK8,
358 
+    sizeof(MPCContext),
359 
+    mpc8_decode_init,
360 
+    NULL,
361 
+    NULL,
362 
+    mpc8_decode_frame,
363 
+};
libavcodec/mpc8data.h
History View file @ 12877fa
0 364 
new file mode 100644
... ... 
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0 
+/*
1 
+ * Musepack SV8 decoder
2 
+ * Copyright (c) 2007 Konstantin Shishkov
3 
+ *
4 
+ * This file is part of FFmpeg.
5 
+ *
6 
+ * FFmpeg is free software; you can redistribute it and/or
7 
+ * modify it under the terms of the GNU Lesser General Public
8 
+ * License as published by the Free Software Foundation; either
9 
+ * version 2.1 of the License, or (at your option) any later version.
10 
+ *
11 
+ * FFmpeg is distributed in the hope that it will be useful,
12 
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 
+ * Lesser General Public License for more details.
15 
+ *
16 
+ * You should have received a copy of the GNU Lesser General Public
17 
+ * License along with FFmpeg; if not, write to the Free Software
18 
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 
+ */
20 
+
21 
+#ifndef FFMPEG_MPC8DATA_H
22 
+#define FFMPEG_MPC8DATA_H
23 
+
24 
+#include <stdint.h>
25 
+
26 
+static const int8_t mpc8_idx50[125] = {
27 
+    -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,
28 
+    -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,
29 
+    -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,
30 
+    -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,
31 
+    -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
32 
+};
33 
+static const int8_t mpc8_idx51[125] = {
34 
+    -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,
35 
+    -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,
36 
+    -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,
37 
+    -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,
38 
+    -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
39 
+};
40 
+static const int8_t mpc8_idx52[125] = {
41 
+    -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,
42 
+    -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,
43 
+    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,
44 
+    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,
45 
+    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
46 
+};
47 
+
48 
+static const unsigned int mpc8_thres[] = {0, 0, 3, 0, 0, 1, 3, 4, 8};
49 
+static const int8_t mpc8_huffq2[5*5*5] = {
50 
+    6, 5, 4, 5, 6, 5, 4, 3, 4, 5, 4, 3, 2, 3, 4, 5, 4, 3, 4, 5, 6, 5, 4, 5,
51 
+    6, 5, 4, 3, 4, 5, 4, 3, 2, 3, 4, 3, 2, 1, 2, 3, 4, 3, 2, 3, 4, 5, 4, 3,
52 
+    4, 5, 4, 3, 2, 3, 4, 3, 2, 1, 2, 3, 2, 1, 0, 1, 2, 3, 2, 1, 2, 3, 4, 3,
53 
+    2, 3, 4, 5, 4, 3, 4, 5, 4, 3, 2, 3, 4, 3, 2, 1, 2, 3, 4, 3, 2, 3, 4, 5,
54 
+    4, 3, 4, 5, 6, 5, 4, 5, 6, 5, 4, 3, 4, 5, 4, 3, 2, 3, 4, 5, 4, 3, 4, 5,
55 
+    6, 5, 4, 5, 6
56 
+};
57 
+
58 
+
59 
+static const uint32_t mpc8_cnk[16][32] =
60 
+{
61 
+    {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},
62 
+    {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},
63 
+    {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},
64 
+    {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},
65 
+    {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},
66 
+    {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},
67 
+    {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},
68 
+    {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},
69 
+    {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},
70 
+    {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},
71 
+    {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},
72 
+    {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},
73 
+    {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},
74 
+    {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},
75 
+    {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},
76 
+    {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}
77 
+};
78 
+
79 
+const static uint8_t mpc8_cnk_len[16][33] =
80 
+{
81 
+    {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},
82 
+    {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},
83 
+    {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},
84 
+    {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},
85 
+    {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},
86 
+    {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},
87 
+    {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},
88 
+    {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},
89 
+    {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},
90 
+    {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},
91 
+    {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},
92 
+    {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},
93 
+    {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},
94 
+    {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},
95 
+    {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},
96 
+    {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}
97 
+
98 
+};
99 
+
100 
+const static uint32_t mpc8_cnk_lost[16][33] =
101 
+{
102 
+    {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},
103 
+    {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},
104 
+    {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},
105 
+    {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},
106 
+    {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},
107 
+    {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},
108 
+    {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},
109 
+    {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},
110 
+    {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},
111 
+    {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},
112 
+    {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},
113 
+    {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},
114 
+    {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},
115 
+    {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},
116 
+    {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},
117 
+    {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}
118 
+};
119 
+
120 
+#endif /* FFMPEG_MPC8DATA_H */
libavcodec/mpc8huff.h
History View file @ 12877fa
0 121 
new file mode 100644
... ... 
@@ -0,0 +1,578 @@
0 
+/*
1 
+ * Musepack SV8 decoder
2 
+ * Copyright (c) 2007 Konstantin Shishkov
3 
+ *
4 
+ * This file is part of FFmpeg.
5 
+ *
6 
+ * FFmpeg is free software; you can redistribute it and/or
7 
+ * modify it under the terms of the GNU Lesser General Public
8 
+ * License as published by the Free Software Foundation; either
9 
+ * version 2.1 of the License, or (at your option) any later version.
10 
+ *
11 
+ * FFmpeg is distributed in the hope that it will be useful,
12 
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 
+ * Lesser General Public License for more details.
15 
+ *
16 
+ * You should have received a copy of the GNU Lesser General Public
17 
+ * License along with FFmpeg; if not, write to the Free Software
18 
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 
+ */
20 
+
21 
+#ifndef FFMPEG_MPC8HUFF_H
22 
+#define FFMPEG_MPC8HUFF_H
23 
+
24 
+#include <stdint.h>
25 
+
26 
+#define MPC8_BANDS_SIZE 33
27 
+#define MPC8_BANDS_BITS 9
28 
+
29 
+static const uint8_t mpc8_bands_codes[MPC8_BANDS_SIZE] = {
30 
+ 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04, 0x04,
31 
+ 0x05, 0x06, 0x01, 0x02, 0x03, 0x00, 0x04, 0x05,
32 
+ 0x06, 0x07, 0x08, 0x01, 0x09, 0x0A, 0x0B, 0x07,
33 
+ 0x08, 0x09, 0x06, 0x07, 0x05, 0x05, 0x03, 0x03,
34 
+ 0x01,
35 
+};
36 
+static const int8_t mpc8_bands_bits[MPC8_BANDS_SIZE] = {
37 
+  1,  3,  5,  6,  7,  8,  8,  9,
38 
+ 10, 11, 12, 12, 12, 13, 12, 12,
39 
+ 12, 12, 12, 13, 12, 12, 12, 11,
40 
+ 11, 11, 10, 10,  9,  8,  6,  5,
41 
+  2,
42 
+};
43 
+
44 
+#define MPC8_SCFI0_SIZE 4
45 
+#define MPC8_SCFI0_BITS 3
46 
+
47 
+static const uint8_t mpc8_scfi0_codes[MPC8_SCFI0_SIZE] = {
48 
+ 0x00, 0x01, 0x01, 0x01,
49 
+};
50 
+static const int8_t mpc8_scfi0_bits[MPC8_SCFI0_SIZE] = {
51 
+  3,  3,  1,  2,
52 
+};
53 
+
54 
+#define MPC8_SCFI1_SIZE 16
55 
+#define MPC8_SCFI1_BITS 7
56 
+
57 
+static const uint8_t mpc8_scfi1_codes[MPC8_SCFI1_SIZE] = {
58 
+ 0x01, 0x00, 0x02, 0x03, 0x01, 0x03, 0x04, 0x05,
59 
+ 0x04, 0x06, 0x02, 0x02, 0x05, 0x07, 0x03, 0x03,
60 
+
61 
+};
62 
+static const int8_t mpc8_scfi1_bits[MPC8_SCFI1_SIZE] = {
63 
+  6,  7,  6,  6,  7,  5,  5,  5,
64 
+  6,  5,  2,  3,  6,  5,  3,  2,
65 
+
66 
+};
67 
+
68 
+#define MPC8_DSCF0_SIZE 64
69 
+#define MPC8_DSCF0_BITS 9
70 
+
71 
+static const uint8_t mpc8_dscf0_codes[MPC8_DSCF0_SIZE] = {
72 
+ 0x03, 0x04, 0x05, 0x04, 0x05, 0x06, 0x05, 0x06,
73 
+ 0x07, 0x08, 0x09, 0x07, 0x08, 0x09, 0x0A, 0x07,
74 
+ 0x08, 0x09, 0x0A, 0x07, 0x08, 0x09, 0x0A, 0x06,
75 
+ 0x07, 0x05, 0x04, 0x05, 0x06, 0x06, 0x07, 0x0A,
76 
+ 0x08, 0x05, 0x06, 0x07, 0x09, 0x07, 0x08, 0x09,
77 
+ 0x0B, 0x0B, 0x0C, 0x0D, 0x0B, 0x0C, 0x0D, 0x0B,
78 
+ 0x0C, 0x0D, 0x07, 0x08, 0x09, 0x06, 0x07, 0x03,
79 
+ 0x04, 0x05, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
80 
+};
81 
+static const int8_t mpc8_dscf0_bits[MPC8_DSCF0_SIZE] = {
82 
+ 12, 12, 12, 11, 11, 11, 10, 10,
83 
+ 10, 10, 10,  9,  9,  9,  9,  8,
84 
+  8,  8,  8,  7,  7,  7,  7,  6,
85 
+  6,  5,  4,  4,  5,  4,  4, 10,
86 
+  4,  3,  3,  3,  4,  5,  6,  6,
87 
+  7,  8,  8,  8,  9,  9,  9, 10,
88 
+ 10, 10, 11, 11, 11, 12, 12, 13,
89 
+ 13, 13, 14, 14, 14, 14, 14, 14,
90 
+
91 
+};
92 
+
93 
+#define MPC8_DSCF1_SIZE 65
94 
+#define MPC8_DSCF1_BITS 9
95 
+
96 
+static const uint8_t mpc8_dscf1_codes[MPC8_DSCF1_SIZE] = {
97 
+ 0x00, 0x03, 0x04, 0x04, 0x05, 0x06, 0x05, 0x06,
98 
+ 0x07, 0x08, 0x07, 0x08, 0x09, 0x0A, 0x07, 0x08,
99 
+ 0x09, 0x0A, 0x07, 0x08, 0x09, 0x06, 0x07, 0x05,
100 
+ 0x06, 0x04, 0x03, 0x03, 0x04, 0x03, 0x04, 0x05,
101 
+ 0x06, 0x07, 0x05, 0x04, 0x05, 0x05, 0x07, 0x08,
102 
+ 0x09, 0x0A, 0x0B, 0x0B, 0x0C, 0x0D, 0x0B, 0x0C,
103 
+ 0x0D, 0x09, 0x0A, 0x0B, 0x0C, 0x07, 0x08, 0x09,
104 
+ 0x05, 0x06, 0x07, 0x01, 0x02, 0x03, 0x04, 0x05,
105 
+ 0x0D,
106 
+};
107 
+static const int8_t mpc8_dscf1_bits[MPC8_DSCF1_SIZE] = {
108 
+ 15, 14, 14, 13, 13, 13, 12, 12,
109 
+ 12, 12, 11, 11, 11, 11, 10, 10,
110 
+ 10, 10,  9,  9,  9,  8,  8,  7,
111 
+  7,  6,  5,  4,  4,  3,  3,  3,
112 
+  3,  3,  4,  5,  5,  6,  7,  8,
113 
+  8,  9,  9, 10, 10, 10, 11, 11,
114 
+ 11, 12, 12, 12, 12, 13, 13, 13,
115 
+ 14, 14, 14, 15, 15, 15, 15, 15,
116 
+ 12,
117 
+};
118 
+
119 
+#define MPC8_RES_SIZE 17
120 
+#define MPC8_RES_BITS 9
121 
+
122 
+static const uint8_t mpc8_res_codes[2][MPC8_RES_SIZE] = {
123 
+  {
124 
+    0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
125 
+    0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x01, 0x01,
126 
+    0x01,
127 
+  },
128 
+  {
129 
+    0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
130 
+    0x00, 0x01, 0x02, 0x03, 0x01, 0x01, 0x01, 0x01,
131 
+    0x03,
132 
+  }
133 
+};
134 
+static const int8_t mpc8_res_bits[2][MPC8_RES_SIZE] = {
135 
+  {
136 
+     1,  2,  4,  5,  6,  7,  9, 10,
137 
+    11, 12, 13, 14, 15, 16, 16,  8,
138 
+     3,
139 
+  },
140 
+  {
141 
+     2,  2,  3,  5,  7,  8, 10, 12,
142 
+    14, 14, 14, 14, 11,  9,  6,  4,
143 
+     2,
144 
+  }
145 
+};
146 
+
147 
+#define MPC8_Q1_SIZE 19
148 
+#define MPC8_Q1_BITS 9
149 
+
150 
+static const uint8_t mpc8_q1_codes[MPC8_Q1_SIZE] = {
151 
+ 0x01, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
152 
+ 0x03, 0x04, 0x05, 0x01, 0x01, 0x01, 0x01, 0x01,
153 
+ 0x01, 0x00, 0x01,
154 
+};
155 
+static const int8_t mpc8_q1_bits[MPC8_Q1_SIZE] = {
156 
+  6,  4,  4,  3,  3,  3,  3,  3,
157 
+  4,  4,  4,  5,  7,  8,  9, 10,
158 
+ 11, 12, 12,
159 
+};
160 
+
161 
+#define MPC8_Q9UP_SIZE 256
162 
+#define MPC8_Q9UP_BITS 9
163 
+
164 
+static const uint8_t mpc8_q9up_codes[MPC8_Q9UP_SIZE] = {
165 
+ 0x01, 0x02, 0x03, 0x04, 0x05, 0x05, 0x06, 0x07,
166 
+ 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
167 
+ 0x10, 0x11, 0x12, 0x26, 0x27, 0x13, 0x14, 0x15,
168 
+ 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D,
169 
+ 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25,
170 
+ 0x28, 0x26, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E,
171 
+ 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36,
172 
+ 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E,
173 
+ 0x3F, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46,
174 
+ 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E,
175 
+ 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56,
176 
+ 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E,
177 
+ 0x5F, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66,
178 
+ 0x67, 0x68, 0x69, 0x6A, 0x56, 0x57, 0x58, 0x59,
179 
+ 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, 0x60, 0x61,
180 
+ 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x3E,
181 
+ 0x3F, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
182 
+ 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
183 
+ 0x78, 0x79, 0x7A, 0x6B, 0x7B, 0x6C, 0x6D, 0x6E,
184 
+ 0x6F, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76,
185 
+ 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E,
186 
+ 0x7F, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86,
187 
+ 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E,
188 
+ 0x8F, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
189 
+ 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E,
190 
+ 0x9F, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
191 
+ 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0x27, 0x28, 0x29,
192 
+ 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30, 0x31,
193 
+ 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
194 
+ 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 0x40, 0x41,
195 
+ 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
196 
+ 0x4A, 0x4B, 0x06, 0x07, 0x08, 0x09, 0x00, 0x01,
197 
+};
198 
+static const int8_t mpc8_q9up_bits[MPC8_Q9UP_SIZE] = {
199 
+ 10, 10, 10, 10, 10,  9,  9,  9,
200 
+  9,  9,  9,  9,  9,  9,  9,  9,
201 
+  9,  9,  9,  8,  8,  9,  9,  9,
202 
+  9,  9,  9,  9,  9,  9,  9,  9,
203 
+  9,  9,  9,  9,  9,  9,  9,  9,
204 
+  8,  9,  8,  8,  8,  8,  8,  8,
205 
+  8,  8,  8,  8,  8,  8,  8,  8,
206 
+  8,  8,  8,  8,  8,  8,  8,  8,
207 
+  8,  8,  8,  8,  8,  8,  8,  8,
208 
+  8,  8,  8,  8,  8,  8,  8,  8,
209 
+  8,  8,  8,  8,  8,  8,  8,  8,
210 
+  8,  8,  8,  8,  8,  8,  8,  8,
211 
+  8,  8,  8,  8,  8,  8,  8,  8,
212 
+  8,  8,  8,  8,  7,  7,  7,  7,
213 
+  7,  7,  7,  7,  7,  7,  7,  7,
214 
+  7,  7,  7,  7,  7,  7,  7,  6,
215 
+  6,  7,  7,  7,  7,  7,  7,  7,
216 
+  7,  7,  7,  7,  7,  7,  7,  7,
217 
+  7,  7,  7,  8,  7,  8,  8,  8,
218 
+  8,  8,  8,  8,  8,  8,  8,  8,
219 
+  8,  8,  8,  8,  8,  8,  8,  8,
220 
+  8,  8,  8,  8,  8,  8,  8,  8,
221 
+  8,  8,  8,  8,  8,  8,  8,  8,
222 
+  8,  8,  8,  8,  8,  8,  8,  8,
223 
+  8,  8,  8,  8,  8,  8,  8,  8,
224 
+  8,  8,  8,  8,  8,  8,  8,  8,
225 
+  8,  8,  8,  8,  8,  9,  9,  9,
226 
+  9,  9,  9,  9,  9,  9,  9,  9,
227 
+  9,  9,  9,  9,  9,  9,  9,  9,
228 
+  9,  9,  9,  9,  9,  9,  9,  9,
229 
+  9,  9,  9,  9,  9,  9,  9,  9,
230 
+  9,  9, 10, 10, 10, 10, 11, 11,
231 
+};
232 
+
233 
+#define MPC8_Q2_SIZE 125
234 
+#define MPC8_Q2_BITS 9
235 
+
236 
+static const uint8_t mpc8_q2_codes[2][MPC8_Q2_SIZE] = {
237 
+{
238 
+ 0x02, 0x03, 0x0F, 0x04, 0x00, 0x05, 0x0C, 0x12,
239 
+ 0x0D, 0x06, 0x07, 0x13, 0x15, 0x14, 0x08, 0x09,
240 
+ 0x0E, 0x15, 0x0F, 0x0A, 0x03, 0x0B, 0x10, 0x0C,
241 
+ 0x01, 0x0D, 0x10, 0x16, 0x11, 0x0E, 0x12, 0x0F,
242 
+ 0x10, 0x16, 0x13, 0x17, 0x11, 0x08, 0x12, 0x18,
243 
+ 0x14, 0x13, 0x14, 0x17, 0x15, 0x0F, 0x16, 0x19,
244 
+ 0x17, 0x10, 0x11, 0x1A, 0x18, 0x1B, 0x12, 0x1C,
245 
+ 0x15, 0x09, 0x16, 0x1D, 0x19, 0x0A, 0x07, 0x0B,
246 
+ 0x1A, 0x1E, 0x17, 0x0C, 0x18, 0x1F, 0x13, 0x20,
247 
+ 0x1B, 0x21, 0x14, 0x11, 0x18, 0x22, 0x19, 0x12,
248 
+ 0x1A, 0x19, 0x1A, 0x1B, 0x1B, 0x23, 0x1C, 0x0D,
249 
+ 0x1D, 0x24, 0x1C, 0x1C, 0x1E, 0x1F, 0x1D, 0x13,
250 
+ 0x1E, 0x25, 0x1F, 0x14, 0x02, 0x15, 0x15, 0x16,
251 
+ 0x04, 0x17, 0x20, 0x26, 0x21, 0x18, 0x16, 0x27,
252 
+ 0x1D, 0x28, 0x19, 0x1A, 0x22, 0x29, 0x23, 0x1B,
253 
+ 0x03, 0x1C, 0x17, 0x1D, 0x05,
254 
+},
255 
+{
256 
+ 0x02, 0x03, 0x0F, 0x04, 0x00, 0x05, 0x0C, 0x0D,
257 
+ 0x0E, 0x06, 0x07, 0x0F, 0x1E, 0x10, 0x10, 0x08,
258 
+ 0x11, 0x12, 0x13, 0x09, 0x03, 0x0A, 0x11, 0x0B,
259 
+ 0x01, 0x0C, 0x14, 0x15, 0x16, 0x0D, 0x17, 0x12,
260 
+ 0x0E, 0x13, 0x18, 0x19, 0x14, 0x0F, 0x10, 0x1A,
261 
+ 0x1B, 0x15, 0x11, 0x16, 0x1C, 0x0E, 0x1D, 0x1E,
262 
+ 0x1F, 0x0F, 0x12, 0x20, 0x1F, 0x21, 0x13, 0x22,
263 
+ 0x12, 0x13, 0x14, 0x23, 0x20, 0x15, 0x0F, 0x16,
264 
+ 0x21, 0x24, 0x17, 0x18, 0x19, 0x25, 0x14, 0x26,
265 
+ 0x22, 0x27, 0x15, 0x10, 0x28, 0x29, 0x2A, 0x11,
266 
+ 0x2B, 0x17, 0x1A, 0x18, 0x2C, 0x2D, 0x1B, 0x1C,
267 
+ 0x19, 0x2E, 0x2F, 0x1A, 0x1D, 0x1B, 0x30, 0x12,
268 
+ 0x31, 0x32, 0x33, 0x13, 0x02, 0x14, 0x15, 0x16,
269 
+ 0x04, 0x17, 0x34, 0x35, 0x36, 0x18, 0x16, 0x37,
270 
+ 0x23, 0x38, 0x19, 0x1A, 0x39, 0x3A, 0x3B, 0x1B,
271 
+ 0x03, 0x1C, 0x17, 0x1D, 0x05,
272 
+}
273 
+};
274 
+static const int8_t mpc8_q2_bits[2][MPC8_Q2_SIZE] = {
275 
+{
276 
+ 12, 11, 10, 11, 13, 11,  9,  8,
277 
+  9, 11, 11,  8,  7,  8, 11, 11,
278 
+  9,  8,  9, 11, 12, 11, 10, 11,
279 
+ 13, 11,  9,  8,  9, 11,  9,  6,
280 
+  6,  7,  9,  8,  6,  4,  6,  8,
281 
+  9,  6,  6,  7,  9, 11,  9,  8,
282 
+  9, 11, 10,  8,  7,  8, 10,  8,
283 
+  6,  4,  6,  8,  7,  4,  3,  4,
284 
+  7,  8,  6,  4,  6,  8, 10,  8,
285 
+  7,  8, 10, 11,  9,  8,  9, 11,
286 
+  9,  6,  6,  6,  9,  8,  6,  4,
287 
+  6,  8,  9,  7,  6,  6,  9, 11,
288 
+  9,  8,  9, 11, 13, 11, 10, 11,
289 
+ 12, 11,  9,  8,  9, 11, 10,  8,
290 
+  7,  8, 11, 11,  9,  8,  9, 11,
291 
+ 13, 11, 10, 11, 12,
292 
+},
293 
+{
294 
+ 11, 10,  9, 10, 12, 10,  8,  8,
295 
+  8, 10, 10,  8,  7,  8,  9, 10,
296 
+  8,  8,  8, 10, 11, 10,  9, 10,
297 
+ 12, 10,  8,  8,  8, 10,  8,  6,
298 
+  5,  6,  8,  8,  6,  5,  5,  8,
299 
+  8,  6,  5,  6,  8, 10,  8,  8,
300 
+  8, 10,  9,  8,  7,  8,  9,  8,
301 
+  5,  5,  5,  8,  7,  5,  4,  5,
302 
+  7,  8,  5,  5,  5,  8,  9,  8,
303 
+  7,  8,  9, 10,  8,  8,  8, 10,
304 
+  8,  6,  5,  6,  8,  8,  5,  5,
305 
+  6,  8,  8,  6,  5,  6,  8, 10,
306 
+  8,  8,  8, 10, 12, 10, 10, 10,
307 
+ 11, 10,  8,  8,  8, 10,  9,  8,
308 
+  7,  8, 10, 10,  8,  8,  8, 10,
309 
+ 12, 10,  9, 10, 11,
310 
+}
311 
+};
312 
+
313 
+#define MPC8_Q3_SIZE 49
314 
+#define MPC8_Q3_BITS 9
315 
+#define MPC8_Q3_OFFSET -48
316 
+
317 
+static const uint8_t mpc8_q3_codes[MPC8_Q3_SIZE] = {
318 
+ 0x07, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0x0F,
319 
+ 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x13, 0x12, 0x11,
320 
+ 0x10, 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09,
321 
+ 0x11, 0x10, 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A,
322 
+ 0x09, 0x08, 0x07, 0x06, 0x05, 0x09, 0x08, 0x07,
323 
+ 0x06, 0x05, 0x04, 0x03, 0x02, 0x03, 0x02, 0x01,
324 
+ 0x00,
325 
+};
326 
+static const int8_t mpc8_q3_bits[MPC8_Q3_SIZE] = {
327 
+  3,  4,  4,  4,  4,  4,  4,  5,
328 
+  5,  5,  5,  5,  5,  6,  6,  6,
329 
+  6,  6,  6,  6,  6,  6,  6,  6,
330 
+  7,  7,  7,  7,  7,  7,  7,  7,
331 
+  7,  7,  7,  7,  7,  8,  8,  8,
332 
+  8,  8,  8,  8,  8,  9,  9,  9,
333 
+  9,
334 
+};
335 
+static const int8_t mpc8_q3_syms[MPC8_Q3_SIZE] = {
336 
+   48,    65,    64,    49,    63,    32,    47,    80,
337 
+   79,    50,    62,    33,    16,    82,    81,    95,
338 
+   94,    66,    78,    34,    46,    17,    31,    30,
339 
+   97,    96,   111,    67,    77,    51,    61,    35,
340 
+   45,    18,     1,     0,    15,    98,   110,    83,
341 
+   93,    19,    29,     2,    14,    99,   109,     3,
342 
+   13,
343 
+};
344 
+
345 
+#define MPC8_Q4_SIZE 81
346 
+#define MPC8_Q4_BITS 9
347 
+#define MPC8_Q4_OFFSET -64
348 
+
349 
+static const uint8_t mpc8_q4_codes[MPC8_Q4_SIZE] = {
350 
+ 0x0F, 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 0x17,
351 
+ 0x16, 0x15, 0x14, 0x13, 0x12, 0x23, 0x22, 0x21,
352 
+ 0x20, 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 0x1A, 0x19,
353 
+ 0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11,
354 
+ 0x10, 0x0F, 0x0E, 0x0D, 0x19, 0x18, 0x17, 0x16,
355 
+ 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0F, 0x0E,
356 
+ 0x0D, 0x0C, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12,
357 
+ 0x11, 0x10, 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A,
358 
+ 0x09, 0x08, 0x07, 0x06, 0x05, 0x09, 0x08, 0x07,
359 
+ 0x06, 0x05, 0x04, 0x03, 0x02, 0x03, 0x02, 0x01,
360 
+ 0x00,
361 
+};
362 
+static const int8_t mpc8_q4_bits[MPC8_Q4_SIZE] = {
363 
+  4,  5,  5,  5,  5,  5,  5,  5,
364 
+  5,  5,  5,  5,  5,  6,  6,  6,
365 
+  6,  6,  6,  6,  6,  6,  6,  6,
366 
+  6,  6,  6,  6,  6,  6,  6,  6,
367 
+  6,  6,  6,  6,  7,  7,  7,  7,
368 
+  7,  7,  7,  7,  7,  7,  7,  7,
369 
+  7,  7,  8,  8,  8,  8,  8,  8,
370 
+  8,  8,  8,  8,  8,  8,  8,  8,
371 
+  8,  8,  8,  8,  8,  9,  9,  9,
372 
+  9,  9,  9,  9,  9, 10, 10, 10,
373 
+ 10,
374 
+};
375 
+static const int8_t mpc8_q4_syms[MPC8_Q4_SIZE] = {
376 
+   64,    96,    81,    80,    95,    66,    65,    79,
377 
+   78,    49,    48,    63,    32,   113,   112,    98,
378 
+   97,   111,   110,    83,    82,    94,    93,    67,
379 
+   77,    51,    50,    62,    61,    34,    33,    47,
380 
+   46,    17,    16,    31,   128,   114,   127,   126,
381 
+   99,   109,    68,    76,    35,    45,    18,    30,
382 
+    0,    15,   130,   129,   143,   142,   115,   125,
383 
+  100,   108,    84,    92,    52,    60,    36,    44,
384 
+   19,    29,     2,     1,    14,   131,   141,   116,
385 
+  124,    20,    28,     3,    13,   132,   140,     4,
386 
+   12,
387 
+};
388 
+
389 
+#define MPC8_Q5_SIZE 15
390 
+#define MPC8_Q5_BITS 7
391 
+#define MPC8_Q5_OFFSET -7
392 
+
393 
+static const uint8_t mpc8_q5_codes[2][MPC8_Q5_SIZE] = {
394 
+{
395 
+ 0x00, 0x01, 0x02, 0x02, 0x02, 0x02, 0x03, 0x03,
396 
+ 0x04, 0x05, 0x03, 0x03, 0x03, 0x02, 0x03,
397 
+},
398 
+{
399 
+ 0x00, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04, 0x05,
400 
+ 0x06, 0x07, 0x04, 0x05, 0x03, 0x02, 0x03,
401 
+}
402 
+};
403 
+static const int8_t mpc8_q5_bits[2][MPC8_Q5_SIZE] = {
404 
+{
405 
+  7,  7,  6,  5,  4,  3,  3,  2,
406 
+  3,  3,  4,  5,  6,  7,  7,
407 
+},
408 
+{
409 
+  6,  6,  5,  4,  4,  3,  3,  3,
410 
+  3,  3,  4,  4,  5,  6,  6,
411 
+}
412 
+};
413 
+
414 
+#define MPC8_Q6_SIZE 31
415 
+#define MPC8_Q6_BITS 9
416 
+#define MPC8_Q6_OFFSET -15
417 
+
418 
+static const uint8_t mpc8_q6_codes[2][MPC8_Q6_SIZE] = {
419 
+{
420 
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x04, 0x03,
421 
+ 0x04, 0x05, 0x05, 0x06, 0x04, 0x05, 0x04, 0x03,
422 
+ 0x05, 0x06, 0x07, 0x07, 0x06, 0x07, 0x08, 0x09,
423 
+ 0x05, 0x06, 0x07, 0x04, 0x05, 0x06, 0x07,
424 
+},
425 
+{
426 
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x04, 0x05, 0x04,
427 
+ 0x05, 0x06, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A,
428 
+ 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x07, 0x08, 0x09,
429 
+ 0x06, 0x07, 0x05, 0x06, 0x07, 0x02, 0x03,
430 
+}
431 
+};
432 
+static const int8_t mpc8_q6_bits[2][MPC8_Q6_SIZE] = {
433 
+{
434 
+  9,  9,  9,  9,  8,  8,  7,  6,
435 
+  6,  6,  5,  5,  4,  4,  3,  2,
436 
+  3,  4,  4,  5,  6,  6,  6,  6,
437 
+  7,  8,  8,  9,  9,  9,  9,
438 
+},
439 
+{
440 
+  8,  8,  7,  7,  7,  6,  6,  5,
441 
+  5,  5,  4,  4,  4,  4,  4,  4,
442 
+  4,  4,  4,  4,  4,  5,  5,  5,
443 
+  6,  6,  7,  7,  7,  8,  8,
444 
+}
445 
+};
446 
+
447 
+#define MPC8_Q7_SIZE 63
448 
+#define MPC8_Q7_BITS 9
449 
+#define MPC8_Q7_OFFSET -31
450 
+
451 
+static const uint8_t mpc8_q7_codes[2][MPC8_Q7_SIZE] = {
452 
+{
453 
+ 0x00, 0x01, 0x02, 0x08, 0x09, 0x03, 0x04, 0x05,
454 
+ 0x06, 0x07, 0x0A, 0x0B, 0x0C, 0x0D, 0x0A, 0x0B,
455 
+ 0x0C, 0x0D, 0x0E, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E,
456 
+ 0x0A, 0x0B, 0x0C, 0x08, 0x09, 0x06, 0x04, 0x03,
457 
+ 0x05, 0x07, 0x0A, 0x0B, 0x0D, 0x0E, 0x0F, 0x0F,
458 
+ 0x10, 0x11, 0x12, 0x0F, 0x13, 0x10, 0x11, 0x12,
459 
+ 0x13, 0x0E, 0x0F, 0x10, 0x11, 0x08, 0x09, 0x0A,
460 
+ 0x0B, 0x0C, 0x12, 0x13, 0x0D, 0x0E, 0x0F,
461 
+},
462 
+{
463 
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
464 
+ 0x08, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x09, 0x0A,
465 
+ 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x0C, 0x0D,
466 
+ 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15,
467 
+ 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D,
468 
+ 0x1E, 0x1F, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
469 
+ 0x17, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x09, 0x0A,
470 
+ 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x02, 0x03,
471 
+}
472 
+};
473 
+static const int8_t mpc8_q7_bits[2][MPC8_Q7_SIZE] = {
474 
+{
475 
+ 10, 10, 10,  9,  9, 10, 10, 10,
476 
+ 10, 10,  9,  9,  9,  9,  8,  8,
477 
+  8,  8,  8,  7,  7,  7,  7,  7,
478 
+  6,  6,  6,  5,  5,  4,  3,  2,
479 
+  3,  4,  5,  5,  6,  6,  6,  7,
480 
+  7,  7,  7,  8,  7,  8,  8,  8,
481 
+  8,  9,  9,  9,  9, 10, 10, 10,
482 
+ 10, 10,  9,  9, 10, 10, 10,
483 
+},
484 
+{
485 
+  9,  9,  8,  8,  8,  8,  8,  8,
486 
+  8,  7,  7,  7,  7,  7,  6,  6,
487 
+  6,  6,  6,  6,  6,  6,  5,  5,
488 
+  5,  5,  5,  5,  5,  5,  5,  5,
489 
+  5,  5,  5,  5,  5,  5,  5,  5,
490 
+  5,  5,  6,  6,  6,  6,  6,  6,
491 
+  6,  7,  7,  7,  7,  7,  8,  8,
492 
+  8,  8,  8,  8,  8,  9,  9,
493 
+}
494 
+};
495 
+
496 
+#define MPC8_Q8_SIZE 127
497 
+#define MPC8_Q8_BITS 9
498 
+#define MPC8_Q8_OFFSET -63
499 
+
500 
+static const uint8_t mpc8_q8_codes[2][MPC8_Q8_SIZE] = {
501 
+{
502 
+ 0x03, 0x04, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x1A,
503 
+ 0x0F, 0x1B, 0x10, 0x00, 0x01, 0x05, 0x06, 0x07,
504 
+ 0x08, 0x09, 0x0A, 0x0B, 0x11, 0x0C, 0x12, 0x13,
505 
+ 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1C, 0x1A,
506 
+ 0x1B, 0x1C, 0x1D, 0x1E, 0x1D, 0x1E, 0x1F, 0x20,
507 
+ 0x21, 0x22, 0x23, 0x24, 0x19, 0x25, 0x1A, 0x1B,
508 
+ 0x1C, 0x1D, 0x1E, 0x1F, 0x14, 0x15, 0x16, 0x17,
509 
+ 0x0E, 0x0F, 0x10, 0x11, 0x0B, 0x07, 0x04, 0x03,
510 
+ 0x05, 0x0C, 0x0D, 0x12, 0x13, 0x14, 0x15, 0x18,
511 
+ 0x19, 0x1A, 0x1B, 0x20, 0x21, 0x22, 0x23, 0x24,
512 
+ 0x25, 0x26, 0x27, 0x26, 0x27, 0x28, 0x29, 0x2A,
513 
+ 0x2B, 0x2C, 0x2D, 0x2E, 0x1F, 0x20, 0x2F, 0x21,
514 
+ 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29,
515 
+ 0x0D, 0x0E, 0x2A, 0x0F, 0x10, 0x11, 0x12, 0x02,
516 
+ 0x13, 0x03, 0x04, 0x05, 0x2B, 0x2C, 0x30, 0x31,
517 
+ 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33,
518 
+},
519 
+{
520 
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
521 
+ 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
522 
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x15, 0x16,
523 
+ 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E,
524 
+ 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26,
525 
+ 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E,
526 
+ 0x2F, 0x30, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B,
527 
+ 0x2C, 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33,
528 
+ 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B,
529 
+ 0x3C, 0x3D, 0x3E, 0x31, 0x3F, 0x32, 0x33, 0x34,
530 
+ 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C,
531 
+ 0x3D, 0x3E, 0x3F, 0x40, 0x41, 0x42, 0x43, 0x44,
532 
+ 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x16,
533 
+ 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E,
534 
+ 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26,
535 
+ 0x27, 0x28, 0x29, 0x04, 0x05, 0x06, 0x07,
536 
+}
537 
+};
538 
+static const int8_t mpc8_q8_bits[2][MPC8_Q8_SIZE] = {
539 
+{
540 
+ 11, 11, 10, 10, 10, 10, 10,  9,
541 
+ 10,  9, 10, 12, 12, 11, 11, 11,
542 
+ 11, 11, 11, 11, 10, 11, 10, 10,
543 
+ 10, 10, 10, 10, 10, 10,  9, 10,
544 
+ 10, 10, 10, 10,  9,  9,  9,  9,
545 
+  9,  9,  9,  9,  8,  9,  8,  8,
546 
+  8,  8,  8,  8,  7,  7,  7,  7,
547 
+  6,  6,  6,  6,  5,  4,  3,  2,
548 
+  3,  5,  5,  6,  6,  6,  6,  7,
549 
+  7,  7,  7,  8,  8,  8,  8,  8,
550 
+  8,  8,  8,  9,  9,  9,  9,  9,
551 
+  9,  9,  9,  9, 10, 10,  9, 10,
552 
+ 10, 10, 10, 10, 10, 10, 10, 10,
553 
+ 11, 11, 10, 11, 11, 11, 11, 12,
554 
+ 11, 12, 12, 12, 10, 10,  9,  9,
555 
+ 10, 10, 10, 10, 10, 10, 10,
556 
+},
557 
+{
558 
+  9,  9,  9,  9,  8,  8,  8,  8,
559 
+  8,  8,  8,  8,  8,  8,  8,  8,
560 
+  8,  8,  8,  8,  8,  8,  7,  7,
561 
+  7,  7,  7,  7,  7,  7,  7,  7,
562 
+  7,  7,  7,  7,  7,  7,  7,  7,
563 
+  7,  7,  7,  7,  7,  7,  7,  7,
564 
+  7,  7,  6,  6,  6,  6,  6,  6,
565 
+  6,  6,  6,  6,  6,  6,  6,  6,
566 
+  6,  6,  6,  6,  6,  6,  6,  6,
567 
+  6,  6,  6,  7,  6,  7,  7,  7,
568 
+  7,  7,  7,  7,  7,  7,  7,  7,
569 
+  7,  7,  7,  7,  7,  7,  7,  7,
570 
+  7,  7,  7,  7,  7,  7,  7,  8,
571 
+  8,  8,  8,  8,  8,  8,  8,  8,
572 
+  8,  8,  8,  8,  8,  8,  8,  8,
573 
+  8,  8,  8,  9,  9,  9,  9,
574 
+}
575 
+};
576 
+
577 
+#endif /* FFMPEG_MPC8HUFF_H */
libavformat/Makefile
History View file @ 12877fa
... ... 
@@ -86,6 +86,7 @@ OBJS-$(CONFIG_MP3_DEMUXER)               += mp3.o
86 86 
 OBJS-$(CONFIG_MP3_MUXER)                 += mp3.o
87 87 
 OBJS-$(CONFIG_MP4_MUXER)                 += movenc.o riff.o isom.o
88 88 
 OBJS-$(CONFIG_MPC_DEMUXER)               += mpc.o
89 
+OBJS-$(CONFIG_MPC8_DEMUXER)              += mpc8.o
89 90 
 OBJS-$(CONFIG_MPEG1SYSTEM_MUXER)         += mpegenc.o
90 91 
 OBJS-$(CONFIG_MPEG1VCD_MUXER)            += mpegenc.o
91 92 
 OBJS-$(CONFIG_MPEG2DVD_MUXER)            += mpegenc.o
libavformat/allformats.c
History View file @ 12877fa
... ... 
@@ -104,6 +104,7 @@ void av_register_all(void)
104 104 
     REGISTER_MUXDEMUX (MP3, mp3);
105 105 
     REGISTER_MUXER    (MP4, mp4);
106 106 
     REGISTER_DEMUXER  (MPC, mpc);
107 
+    REGISTER_DEMUXER  (MPC8, mpc8);
107 108 
     REGISTER_MUXER    (MPEG1SYSTEM, mpeg1system);
108 109 
     REGISTER_MUXER    (MPEG1VCD, mpeg1vcd);
109 110 
     REGISTER_MUXER    (MPEG1VIDEO, mpeg1video);
libavformat/avformat.h
History View file @ 12877fa
... ... 
@@ -21,8 +21,8 @@
21 21 
 #ifndef FFMPEG_AVFORMAT_H
22 22 
 #define FFMPEG_AVFORMAT_H
23 23
24 
-#define LIBAVFORMAT_VERSION_INT ((51<<16)+(17<<8)+1)
25 
-#define LIBAVFORMAT_VERSION     51.17.1
24 
+#define LIBAVFORMAT_VERSION_INT ((51<<16)+(18<<8)+0)
25 
+#define LIBAVFORMAT_VERSION     51.18.0
26 26 
 #define LIBAVFORMAT_BUILD       LIBAVFORMAT_VERSION_INT
27 27
28 28 
 #define LIBAVFORMAT_IDENT       "Lavf" AV_STRINGIFY(LIBAVFORMAT_VERSION)
libavformat/mpc8.c
History View file @ 12877fa
29 29 
new file mode 100644
... ... 
@@ -0,0 +1,244 @@
0 
+/*
1 
+ * Musepack SV8 demuxer
2 
+ * Copyright (c) 2007 Konstantin Shishkov
3 
+ *
4 
+ * This file is part of FFmpeg.
5 
+ *
6 
+ * FFmpeg is free software; you can redistribute it and/or
7 
+ * modify it under the terms of the GNU Lesser General Public
8 
+ * License as published by the Free Software Foundation; either
9 
+ * version 2.1 of the License, or (at your option) any later version.
10 
+ *
11 
+ * FFmpeg is distributed in the hope that it will be useful,
12 
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 
+ * Lesser General Public License for more details.
15 
+ *
16 
+ * You should have received a copy of the GNU Lesser General Public
17 
+ * License along with FFmpeg; if not, write to the Free Software
18 
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 
+ */
20 
+#include "avformat.h"
21 
+#include "bitstream.h"
22 
+#include "unary.h"
23 
+
24 
+/// Two-byte MPC tag
25 
+#define MKMPCTAG(a, b) (a | (b << 8))
26 
+
27 
+#define TAG_MPCK MKTAG('M','P','C','K')
28 
+
29 
+/// Reserved MPC tags
30 
+enum MPCPacketTags{
31 
+    TAG_STREAMHDR   = MKMPCTAG('S','H'),
32 
+    TAG_STREAMEND   = MKMPCTAG('S','E'),
33 
+
34 
+    TAG_AUDIOPACKET = MKMPCTAG('A','P'),
35 
+
36 
+    TAG_SEEKTBLOFF  = MKMPCTAG('S','O'),
37 
+    TAG_SEEKTABLE   = MKMPCTAG('S','T'),
38 
+
39 
+    TAG_REPLAYGAIN  = MKMPCTAG('R','G'),
40 
+    TAG_ENCINFO     = MKMPCTAG('E','I'),
41 
+};
42 
+
43 
+static const int mpc8_rate[8] = { 44100, 48000, 37800, 32000, -1, -1, -1, -1 };
44 
+
45 
+typedef struct {
46 
+    int ver;
47 
+    int frame;
48 
+    int64_t header_pos;
49 
+    int64_t samples;
50 
+} MPCContext;
51 
+
52 
+static int mpc8_probe(AVProbeData *p)
53 
+{
54 
+    if (AV_RL32(p->buf) == TAG_MPCK)
55 
+        return AVPROBE_SCORE_MAX;
56 
+    return 0;
57 
+}
58 
+
59 
+static inline int64_t gb_get_v(GetBitContext *gb)
60 
+{
61 
+    int64_t v = 0;
62 
+    int bits = 0;
63 
+    while(get_bits1(gb) && bits < 64-7){
64 
+        v <<= 7;
65 
+        v |= get_bits(gb, 7);
66 
+        bits += 7;
67 
+    }
68 
+    v <<= 7;
69 
+    v |= get_bits(gb, 7);
70 
+
71 
+    return v;
72 
+}
73 
+
74 
+static void mpc8_get_chunk_header(ByteIOContext *pb, int *tag, int64_t *size)
75 
+{
76 
+    int64_t pos;
77 
+    pos = url_ftell(pb);
78 
+    *tag = get_le16(pb);
79 
+    *size = ff_get_v(pb);
80 
+    *size -= url_ftell(pb) - pos;
81 
+}
82 
+
83 
+static void mpc8_parse_seektable(AVFormatContext *s, int64_t off)
84 
+{
85 
+    MPCContext *c = s->priv_data;
86 
+    int tag;
87 
+    int64_t size, pos, ppos[2];
88 
+    uint8_t *buf;
89 
+    int i, t, seekd;
90 
+    GetBitContext gb;
91 
+
92 
+    url_fseek(&s->pb, off, SEEK_SET);
93 
+    mpc8_get_chunk_header(&s->pb, &tag, &size);
94 
+    if(tag != TAG_SEEKTABLE){
95 
+        av_log(s, AV_LOG_ERROR, "No seek table at given position\n");
96 
+        return;
97 
+    }
98 
+    if(!(buf = av_malloc(size)))
99 
+        return;
100 
+    get_buffer(&s->pb, buf, size);
101 
+    init_get_bits(&gb, buf, size * 8);
102 
+    size = gb_get_v(&gb);
103 
+    if(size > UINT_MAX/4 || size > c->samples/1152){
104 
+        av_log(s, AV_LOG_ERROR, "Seek table is too big\n");
105 
+        return;
106 
+    }
107 
+    seekd = get_bits(&gb, 4);
108 
+    for(i = 0; i < 2; i++){
109 
+        pos = gb_get_v(&gb) + c->header_pos;
110 
+        ppos[1 - i] = pos;
111 
+        av_add_index_entry(s->streams[0], pos, i, 0, 0, AVINDEX_KEYFRAME);
112 
+    }
113 
+    for(; i < size; i++){
114 
+        t = get_unary(&gb, 1, 33) << 12;
115 
+        t += get_bits(&gb, 12);
116 
+        if(t & 1)
117 
+            t = -(t & ~1);
118 
+        pos = (t >> 1) + ppos[0]*2 - ppos[1];
119 
+        av_add_index_entry(s->streams[0], pos, i << seekd, 0, 0, AVINDEX_KEYFRAME);
120 
+        ppos[1] = ppos[0];
121 
+        ppos[0] = pos;
122 
+    }
123 
+    av_free(buf);
124 
+}
125 
+
126 
+static void mpc8_handle_chunk(AVFormatContext *s, int tag, int64_t chunk_pos, int64_t size)
127 
+{
128 
+    ByteIOContext *pb = &s->pb;
129 
+    int64_t pos, off;
130 
+
131 
+    switch(tag){
132 
+    case TAG_SEEKTBLOFF:
133 
+        pos = url_ftell(pb) + size;
134 
+        off = ff_get_v(pb);
135 
+        mpc8_parse_seektable(s, chunk_pos + off);
136 
+        url_fseek(pb, pos, SEEK_SET);
137 
+        break;
138 
+    default:
139 
+        url_fskip(pb, size);
140 
+    }
141 
+}
142 
+
143 
+static int mpc8_read_header(AVFormatContext *s, AVFormatParameters *ap)
144 
+{
145 
+    MPCContext *c = s->priv_data;
146 
+    ByteIOContext *pb = &s->pb;
147 
+    AVStream *st;
148 
+    int tag = 0;
149 
+    int64_t size, pos;
150 
+
151 
+    c->header_pos = url_ftell(pb);
152 
+    if(get_le32(pb) != TAG_MPCK){
153 
+        av_log(s, AV_LOG_ERROR, "Not a Musepack8 file\n");
154 
+        return -1;
155 
+    }
156 
+
157 
+    while(!url_feof(pb)){
158 
+        pos = url_ftell(pb);
159 
+        mpc8_get_chunk_header(pb, &tag, &size);
160 
+        if(tag == TAG_STREAMHDR)
161 
+            break;
162 
+        mpc8_handle_chunk(s, tag, pos, size);
163 
+    }
164 
+    if(tag != TAG_STREAMHDR){
165 
+        av_log(s, AV_LOG_ERROR, "Stream header not found\n");
166 
+        return -1;
167 
+    }
168 
+    pos = url_ftell(pb);
169 
+    url_fskip(pb, 4); //CRC
170 
+    c->ver = get_byte(pb);
171 
+    if(c->ver != 8){
172 
+        av_log(s, AV_LOG_ERROR, "Unknown stream version %d\n", c->ver);
173 
+        return -1;
174 
+    }
175 
+    c->samples = ff_get_v(pb);
176 
+    ff_get_v(pb); //silence samples at the beginning
177 
+
178 
+    st = av_new_stream(s, 0);
179 
+    if (!st)
180 
+        return AVERROR(ENOMEM);
181 
+    st->codec->codec_type = CODEC_TYPE_AUDIO;
182 
+    st->codec->codec_id = CODEC_ID_MUSEPACK8;
183 
+    st->codec->bits_per_sample = 16;
184 
+
185 
+    st->codec->extradata_size = 2;
186 
+    st->codec->extradata = av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
187 
+    get_buffer(pb, st->codec->extradata, st->codec->extradata_size);
188 
+
189 
+    st->codec->channels = (st->codec->extradata[1] >> 4) + 1;
190 
+    st->codec->sample_rate = mpc8_rate[st->codec->extradata[0] >> 5];
191 
+    av_set_pts_info(st, 32, 1152  << (st->codec->extradata[1]&3)*2, st->codec->sample_rate);
192 
+    st->duration = c->samples / (1152 << (st->codec->extradata[1]&3)*2);
193 
+    size -= url_ftell(pb) - pos;
194 
+
195 
+    return 0;
196 
+}
197 
+
198 
+static int mpc8_read_packet(AVFormatContext *s, AVPacket *pkt)
199 
+{
200 
+    MPCContext *c = s->priv_data;
201 
+    int tag;
202 
+    int64_t pos, size;
203 
+
204 
+    while(!url_feof(&s->pb)){
205 
+        pos = url_ftell(&s->pb);
206 
+        mpc8_get_chunk_header(&s->pb, &tag, &size);
207 
+        if(tag == TAG_AUDIOPACKET){
208 
+            if(av_get_packet(&s->pb, pkt, size) < 0)
209 
+                return AVERROR(ENOMEM);
210 
+            pkt->stream_index = 0;
211 
+            pkt->pts = c->frame;
212 
+            return 0;
213 
+        }
214 
+        if(tag == TAG_STREAMEND)
215 
+            return AVERROR(EIO);
216 
+        mpc8_handle_chunk(s, tag, pos, size);
217 
+    }
218 
+    return 0;
219 
+}
220 
+
221 
+static int mpc8_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
222 
+{
223 
+    AVStream *st = s->streams[stream_index];
224 
+    MPCContext *c = s->priv_data;
225 
+    int index = av_index_search_timestamp(st, timestamp, flags);
226 
+
227 
+    if(index < 0) return -1;
228 
+    url_fseek(&s->pb, st->index_entries[index].pos, SEEK_SET);
229 
+    c->frame = st->index_entries[index].timestamp;
230 
+    return 0;
231 
+}
232 
+
233 
+
234 
+AVInputFormat mpc8_demuxer = {
235 
+    "mpc8",
236 
+    "musepack8",
237 
+    sizeof(MPCContext),
238 
+    mpc8_probe,
239 
+    mpc8_read_header,
240 
+    mpc8_read_packet,
241 
+    NULL,
242 
+    mpc8_read_seek,
243 
+};