Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 1 | /* Copyright (c) 2011 Xiph.Org Foundation |
| 2 | Written by Jean-Marc Valin */ |
| 3 | /* |
| 4 | Redistribution and use in source and binary forms, with or without |
| 5 | modification, are permitted provided that the following conditions |
| 6 | are met: |
| 7 | |
| 8 | - Redistributions of source code must retain the above copyright |
| 9 | notice, this list of conditions and the following disclaimer. |
| 10 | |
| 11 | - Redistributions in binary form must reproduce the above copyright |
| 12 | notice, this list of conditions and the following disclaimer in the |
| 13 | documentation and/or other materials provided with the distribution. |
| 14 | |
| 15 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 16 | ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 17 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 18 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER |
| 19 | OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 20 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 22 | PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 23 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 24 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 25 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #ifdef HAVE_CONFIG_H |
| 29 | #include "config.h" |
| 30 | #endif |
| 31 | |
| 32 | #include "opus_multistream.h" |
| 33 | #include "opus.h" |
| 34 | #include "opus_private.h" |
| 35 | #include "stack_alloc.h" |
| 36 | #include <stdarg.h> |
| 37 | #include "float_cast.h" |
| 38 | #include "os_support.h" |
Jean-Marc Valin | 4958751 | 2013-07-07 02:50:18 -0400 | [diff] [blame] | 39 | #include "mathops.h" |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 40 | #include "mdct.h" |
| 41 | #include "modes.h" |
| 42 | #include "bands.h" |
| 43 | #include "quant_bands.h" |
Jean-Marc Valin | 7c49ad0 | 2015-10-07 09:17:50 -0400 | [diff] [blame^] | 44 | #include "pitch.h" |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 45 | |
Jean-Marc Valin | 7a8b139 | 2013-04-29 18:32:27 -0400 | [diff] [blame] | 46 | typedef struct { |
| 47 | int nb_streams; |
| 48 | int nb_coupled_streams; |
| 49 | unsigned char mapping[8]; |
| 50 | } VorbisLayout; |
| 51 | |
| 52 | /* Index is nb_channel-1*/ |
| 53 | static const VorbisLayout vorbis_mappings[8] = { |
| 54 | {1, 0, {0}}, /* 1: mono */ |
| 55 | {1, 1, {0, 1}}, /* 2: stereo */ |
| 56 | {2, 1, {0, 2, 1}}, /* 3: 1-d surround */ |
| 57 | {2, 2, {0, 1, 2, 3}}, /* 4: quadraphonic surround */ |
| 58 | {3, 2, {0, 4, 1, 2, 3}}, /* 5: 5-channel surround */ |
| 59 | {4, 2, {0, 4, 1, 2, 3, 5}}, /* 6: 5.1 surround */ |
| 60 | {4, 3, {0, 4, 1, 2, 3, 5, 6}}, /* 7: 6.1 surround */ |
| 61 | {5, 3, {0, 6, 1, 2, 3, 4, 5, 7}}, /* 8: 7.1 surround */ |
| 62 | }; |
| 63 | |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 64 | typedef void (*opus_copy_channel_in_func)( |
| 65 | opus_val16 *dst, |
| 66 | int dst_stride, |
| 67 | const void *src, |
| 68 | int src_stride, |
| 69 | int src_channel, |
| 70 | int frame_size |
| 71 | ); |
| 72 | |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 73 | struct OpusMSEncoder { |
| 74 | ChannelLayout layout; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 75 | int lfe_stream; |
Jean-Marc Valin | b90e63b | 2013-09-16 13:08:52 -0400 | [diff] [blame] | 76 | int application; |
Jean-Marc Valin | 7448366 | 2012-12-17 16:23:42 -0500 | [diff] [blame] | 77 | int variable_duration; |
Jean-Marc Valin | a4dccd3 | 2013-05-04 23:54:20 -0400 | [diff] [blame] | 78 | int surround; |
Jean-Marc Valin | 7448366 | 2012-12-17 16:23:42 -0500 | [diff] [blame] | 79 | opus_int32 bitrate_bps; |
Jean-Marc Valin | ab86a9c | 2013-11-13 23:06:25 -0500 | [diff] [blame] | 80 | float subframe_mem[3]; |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 81 | /* Encoder states go here */ |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 82 | /* then opus_val32 window_mem[channels*120]; */ |
| 83 | /* then opus_val32 preemph_mem[channels]; */ |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 84 | }; |
| 85 | |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 86 | static opus_val32 *ms_get_preemph_mem(OpusMSEncoder *st) |
| 87 | { |
| 88 | int s; |
| 89 | char *ptr; |
| 90 | int coupled_size, mono_size; |
| 91 | |
| 92 | coupled_size = opus_encoder_get_size(2); |
| 93 | mono_size = opus_encoder_get_size(1); |
| 94 | ptr = (char*)st + align(sizeof(OpusMSEncoder)); |
| 95 | for (s=0;s<st->layout.nb_streams;s++) |
| 96 | { |
| 97 | if (s < st->layout.nb_coupled_streams) |
| 98 | ptr += align(coupled_size); |
| 99 | else |
| 100 | ptr += align(mono_size); |
| 101 | } |
Mark Harris | 4feb0df | 2015-08-07 01:24:48 -0700 | [diff] [blame] | 102 | /* void* cast avoids clang -Wcast-align warning */ |
| 103 | return (opus_val32*)(void*)(ptr+st->layout.nb_channels*120*sizeof(opus_val32)); |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | static opus_val32 *ms_get_window_mem(OpusMSEncoder *st) |
| 107 | { |
| 108 | int s; |
| 109 | char *ptr; |
| 110 | int coupled_size, mono_size; |
| 111 | |
| 112 | coupled_size = opus_encoder_get_size(2); |
| 113 | mono_size = opus_encoder_get_size(1); |
| 114 | ptr = (char*)st + align(sizeof(OpusMSEncoder)); |
| 115 | for (s=0;s<st->layout.nb_streams;s++) |
| 116 | { |
| 117 | if (s < st->layout.nb_coupled_streams) |
| 118 | ptr += align(coupled_size); |
| 119 | else |
| 120 | ptr += align(mono_size); |
| 121 | } |
Mark Harris | 4feb0df | 2015-08-07 01:24:48 -0700 | [diff] [blame] | 122 | /* void* cast avoids clang -Wcast-align warning */ |
| 123 | return (opus_val32*)(void*)ptr; |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 124 | } |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 125 | |
| 126 | static int validate_encoder_layout(const ChannelLayout *layout) |
| 127 | { |
| 128 | int s; |
| 129 | for (s=0;s<layout->nb_streams;s++) |
| 130 | { |
| 131 | if (s < layout->nb_coupled_streams) |
| 132 | { |
| 133 | if (get_left_channel(layout, s, -1)==-1) |
| 134 | return 0; |
| 135 | if (get_right_channel(layout, s, -1)==-1) |
| 136 | return 0; |
| 137 | } else { |
| 138 | if (get_mono_channel(layout, s, -1)==-1) |
| 139 | return 0; |
| 140 | } |
| 141 | } |
| 142 | return 1; |
| 143 | } |
| 144 | |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 145 | static void channel_pos(int channels, int pos[8]) |
| 146 | { |
| 147 | /* Position in the mix: 0 don't mix, 1: left, 2: center, 3:right */ |
| 148 | if (channels==4) |
| 149 | { |
| 150 | pos[0]=1; |
| 151 | pos[1]=3; |
| 152 | pos[2]=1; |
| 153 | pos[3]=3; |
| 154 | } else if (channels==3||channels==5||channels==6) |
| 155 | { |
| 156 | pos[0]=1; |
| 157 | pos[1]=2; |
| 158 | pos[2]=3; |
| 159 | pos[3]=1; |
| 160 | pos[4]=3; |
| 161 | pos[5]=0; |
| 162 | } else if (channels==7) |
| 163 | { |
| 164 | pos[0]=1; |
| 165 | pos[1]=2; |
| 166 | pos[2]=3; |
| 167 | pos[3]=1; |
| 168 | pos[4]=3; |
| 169 | pos[5]=2; |
| 170 | pos[6]=0; |
| 171 | } else if (channels==8) |
| 172 | { |
| 173 | pos[0]=1; |
| 174 | pos[1]=2; |
| 175 | pos[2]=3; |
| 176 | pos[3]=1; |
| 177 | pos[4]=3; |
| 178 | pos[5]=1; |
| 179 | pos[6]=3; |
| 180 | pos[7]=0; |
| 181 | } |
| 182 | } |
| 183 | |
Jean-Marc Valin | a714ae9 | 2013-08-31 02:05:32 -0400 | [diff] [blame] | 184 | #if 1 |
| 185 | /* Computes a rough approximation of log2(2^a + 2^b) */ |
| 186 | static opus_val16 logSum(opus_val16 a, opus_val16 b) |
| 187 | { |
| 188 | opus_val16 max; |
| 189 | opus_val32 diff; |
| 190 | opus_val16 frac; |
| 191 | static const opus_val16 diff_table[17] = { |
| 192 | QCONST16(0.5000000f, DB_SHIFT), QCONST16(0.2924813f, DB_SHIFT), QCONST16(0.1609640f, DB_SHIFT), QCONST16(0.0849625f, DB_SHIFT), |
| 193 | QCONST16(0.0437314f, DB_SHIFT), QCONST16(0.0221971f, DB_SHIFT), QCONST16(0.0111839f, DB_SHIFT), QCONST16(0.0056136f, DB_SHIFT), |
| 194 | QCONST16(0.0028123f, DB_SHIFT) |
| 195 | }; |
| 196 | int low; |
| 197 | if (a>b) |
| 198 | { |
| 199 | max = a; |
| 200 | diff = SUB32(EXTEND32(a),EXTEND32(b)); |
| 201 | } else { |
| 202 | max = b; |
| 203 | diff = SUB32(EXTEND32(b),EXTEND32(a)); |
| 204 | } |
| 205 | if (diff >= QCONST16(8.f, DB_SHIFT)) |
| 206 | return max; |
| 207 | #ifdef FIXED_POINT |
| 208 | low = SHR32(diff, DB_SHIFT-1); |
| 209 | frac = SHL16(diff - SHL16(low, DB_SHIFT-1), 16-DB_SHIFT); |
| 210 | #else |
Jean-Marc Valin | a71c9ad | 2013-11-13 12:07:01 -0500 | [diff] [blame] | 211 | low = (int)floor(2*diff); |
Jean-Marc Valin | a714ae9 | 2013-08-31 02:05:32 -0400 | [diff] [blame] | 212 | frac = 2*diff - low; |
| 213 | #endif |
| 214 | return max + diff_table[low] + MULT16_16_Q15(frac, SUB16(diff_table[low+1], diff_table[low])); |
| 215 | } |
| 216 | #else |
| 217 | opus_val16 logSum(opus_val16 a, opus_val16 b) |
| 218 | { |
| 219 | return log2(pow(4, a)+ pow(4, b))/2; |
| 220 | } |
| 221 | #endif |
| 222 | |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 223 | void surround_analysis(const CELTMode *celt_mode, const void *pcm, opus_val16 *bandLogE, opus_val32 *mem, opus_val32 *preemph_mem, |
| 224 | int len, int overlap, int channels, int rate, opus_copy_channel_in_func copy_channel_in |
| 225 | ) |
| 226 | { |
| 227 | int c; |
| 228 | int i; |
Jean-Marc Valin | 54bddf0 | 2013-09-11 23:34:51 -0400 | [diff] [blame] | 229 | int LM; |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 230 | int pos[8] = {0}; |
| 231 | int upsample; |
Jean-Marc Valin | 978e4cb | 2013-09-11 00:51:22 -0400 | [diff] [blame] | 232 | int frame_size; |
Jean-Marc Valin | 942fc81 | 2013-10-01 19:27:30 -0400 | [diff] [blame] | 233 | opus_val16 channel_offset; |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 234 | opus_val32 bandE[21]; |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 235 | opus_val16 maskLogE[3][21]; |
| 236 | VARDECL(opus_val32, in); |
| 237 | VARDECL(opus_val16, x); |
Jean-Marc Valin | e8e5ecb | 2013-10-01 17:16:33 -0400 | [diff] [blame] | 238 | VARDECL(opus_val32, freq); |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 239 | SAVE_STACK; |
Jean-Marc Valin | 978e4cb | 2013-09-11 00:51:22 -0400 | [diff] [blame] | 240 | |
| 241 | upsample = resampling_factor(rate); |
| 242 | frame_size = len*upsample; |
| 243 | |
Jean-Marc Valin | 2e653a7 | 2013-10-14 17:47:18 -0400 | [diff] [blame] | 244 | for (LM=0;LM<celt_mode->maxLM;LM++) |
Jean-Marc Valin | 54bddf0 | 2013-09-11 23:34:51 -0400 | [diff] [blame] | 245 | if (celt_mode->shortMdctSize<<LM==frame_size) |
| 246 | break; |
| 247 | |
Jean-Marc Valin | 978e4cb | 2013-09-11 00:51:22 -0400 | [diff] [blame] | 248 | ALLOC(in, frame_size+overlap, opus_val32); |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 249 | ALLOC(x, len, opus_val16); |
Jean-Marc Valin | 978e4cb | 2013-09-11 00:51:22 -0400 | [diff] [blame] | 250 | ALLOC(freq, frame_size, opus_val32); |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 251 | |
| 252 | channel_pos(channels, pos); |
| 253 | |
Jean-Marc Valin | a714ae9 | 2013-08-31 02:05:32 -0400 | [diff] [blame] | 254 | for (c=0;c<3;c++) |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 255 | for (i=0;i<21;i++) |
Jean-Marc Valin | a714ae9 | 2013-08-31 02:05:32 -0400 | [diff] [blame] | 256 | maskLogE[c][i] = -QCONST16(28.f, DB_SHIFT); |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 257 | |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 258 | for (c=0;c<channels;c++) |
| 259 | { |
| 260 | OPUS_COPY(in, mem+c*overlap, overlap); |
| 261 | (*copy_channel_in)(x, 1, pcm, channels, c, len); |
Jean-Marc Valin | 2dc27df | 2013-11-13 19:35:43 -0500 | [diff] [blame] | 262 | celt_preemphasis(x, in+overlap, frame_size, 1, upsample, celt_mode->preemph, preemph_mem+c, 0); |
Jean-Marc Valin | 7c49ad0 | 2015-10-07 09:17:50 -0400 | [diff] [blame^] | 263 | #ifndef FIXED_POINT |
| 264 | { |
| 265 | opus_val32 sum; |
| 266 | sum = celt_inner_prod(in, in, frame_size+overlap, 0); |
| 267 | /* This should filter out both NaNs and ridiculous signals that could |
| 268 | cause NaNs further down. */ |
| 269 | if (!(sum < 1e9f) || celt_isnan(sum)) |
| 270 | { |
| 271 | OPUS_CLEAR(in, frame_size+overlap); |
| 272 | preemph_mem[c] = 0; |
| 273 | } |
| 274 | } |
| 275 | #endif |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 276 | clt_mdct_forward(&celt_mode->mdct, in, freq, celt_mode->window, overlap, celt_mode->maxLM-LM, 1); |
| 277 | if (upsample != 1) |
| 278 | { |
Jean-Marc Valin | 978e4cb | 2013-09-11 00:51:22 -0400 | [diff] [blame] | 279 | int bound = len; |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 280 | for (i=0;i<bound;i++) |
| 281 | freq[i] *= upsample; |
Jean-Marc Valin | 978e4cb | 2013-09-11 00:51:22 -0400 | [diff] [blame] | 282 | for (;i<frame_size;i++) |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 283 | freq[i] = 0; |
| 284 | } |
| 285 | |
Mark Harris | 58107d8 | 2014-01-25 16:32:18 -0800 | [diff] [blame] | 286 | compute_band_energies(celt_mode, freq, bandE, 21, 1, LM); |
Jean-Marc Valin | a714ae9 | 2013-08-31 02:05:32 -0400 | [diff] [blame] | 287 | amp2Log2(celt_mode, 21, 21, bandE, bandLogE+21*c, 1); |
Jean-Marc Valin | 0f68696 | 2013-09-05 12:49:55 -0400 | [diff] [blame] | 288 | /* Apply spreading function with -6 dB/band going up and -12 dB/band going down. */ |
| 289 | for (i=1;i<21;i++) |
| 290 | bandLogE[21*c+i] = MAX16(bandLogE[21*c+i], bandLogE[21*c+i-1]-QCONST16(1.f, DB_SHIFT)); |
| 291 | for (i=19;i>=0;i--) |
| 292 | bandLogE[21*c+i] = MAX16(bandLogE[21*c+i], bandLogE[21*c+i+1]-QCONST16(2.f, DB_SHIFT)); |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 293 | if (pos[c]==1) |
| 294 | { |
| 295 | for (i=0;i<21;i++) |
Jean-Marc Valin | a714ae9 | 2013-08-31 02:05:32 -0400 | [diff] [blame] | 296 | maskLogE[0][i] = logSum(maskLogE[0][i], bandLogE[21*c+i]); |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 297 | } else if (pos[c]==3) |
| 298 | { |
| 299 | for (i=0;i<21;i++) |
Jean-Marc Valin | a714ae9 | 2013-08-31 02:05:32 -0400 | [diff] [blame] | 300 | maskLogE[2][i] = logSum(maskLogE[2][i], bandLogE[21*c+i]); |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 301 | } else if (pos[c]==2) |
| 302 | { |
| 303 | for (i=0;i<21;i++) |
| 304 | { |
Jean-Marc Valin | a714ae9 | 2013-08-31 02:05:32 -0400 | [diff] [blame] | 305 | maskLogE[0][i] = logSum(maskLogE[0][i], bandLogE[21*c+i]-QCONST16(.5f, DB_SHIFT)); |
| 306 | maskLogE[2][i] = logSum(maskLogE[2][i], bandLogE[21*c+i]-QCONST16(.5f, DB_SHIFT)); |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 307 | } |
| 308 | } |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 309 | #if 0 |
| 310 | for (i=0;i<21;i++) |
| 311 | printf("%f ", bandLogE[21*c+i]); |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 312 | float sum=0; |
| 313 | for (i=0;i<21;i++) |
| 314 | sum += bandLogE[21*c+i]; |
| 315 | printf("%f ", sum/21); |
| 316 | #endif |
Jean-Marc Valin | 978e4cb | 2013-09-11 00:51:22 -0400 | [diff] [blame] | 317 | OPUS_COPY(mem+c*overlap, in+frame_size, overlap); |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 318 | } |
| 319 | for (i=0;i<21;i++) |
Jean-Marc Valin | a714ae9 | 2013-08-31 02:05:32 -0400 | [diff] [blame] | 320 | maskLogE[1][i] = MIN32(maskLogE[0][i],maskLogE[2][i]); |
Jean-Marc Valin | 942fc81 | 2013-10-01 19:27:30 -0400 | [diff] [blame] | 321 | channel_offset = HALF16(celt_log2(QCONST32(2.f,14)/(channels-1))); |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 322 | for (c=0;c<3;c++) |
| 323 | for (i=0;i<21;i++) |
Jean-Marc Valin | 942fc81 | 2013-10-01 19:27:30 -0400 | [diff] [blame] | 324 | maskLogE[c][i] += channel_offset; |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 325 | #if 0 |
| 326 | for (c=0;c<3;c++) |
| 327 | { |
| 328 | for (i=0;i<21;i++) |
| 329 | printf("%f ", maskLogE[c][i]); |
| 330 | } |
| 331 | #endif |
| 332 | for (c=0;c<channels;c++) |
| 333 | { |
| 334 | opus_val16 *mask; |
| 335 | if (pos[c]!=0) |
| 336 | { |
| 337 | mask = &maskLogE[pos[c]-1][0]; |
| 338 | for (i=0;i<21;i++) |
| 339 | bandLogE[21*c+i] = bandLogE[21*c+i] - mask[i]; |
| 340 | } else { |
| 341 | for (i=0;i<21;i++) |
| 342 | bandLogE[21*c+i] = 0; |
| 343 | } |
| 344 | #if 0 |
| 345 | for (i=0;i<21;i++) |
| 346 | printf("%f ", bandLogE[21*c+i]); |
| 347 | printf("\n"); |
| 348 | #endif |
| 349 | #if 0 |
| 350 | float sum=0; |
| 351 | for (i=0;i<21;i++) |
| 352 | sum += bandLogE[21*c+i]; |
Jean-Marc Valin | 942fc81 | 2013-10-01 19:27:30 -0400 | [diff] [blame] | 353 | printf("%f ", sum/(float)QCONST32(21.f, DB_SHIFT)); |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 354 | printf("\n"); |
| 355 | #endif |
| 356 | } |
| 357 | RESTORE_STACK; |
| 358 | } |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 359 | |
| 360 | opus_int32 opus_multistream_encoder_get_size(int nb_streams, int nb_coupled_streams) |
| 361 | { |
| 362 | int coupled_size; |
| 363 | int mono_size; |
| 364 | |
| 365 | if(nb_streams<1||nb_coupled_streams>nb_streams||nb_coupled_streams<0)return 0; |
| 366 | coupled_size = opus_encoder_get_size(2); |
| 367 | mono_size = opus_encoder_get_size(1); |
| 368 | return align(sizeof(OpusMSEncoder)) |
| 369 | + nb_coupled_streams * align(coupled_size) |
| 370 | + (nb_streams-nb_coupled_streams) * align(mono_size); |
| 371 | } |
| 372 | |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 373 | opus_int32 opus_multistream_surround_encoder_get_size(int channels, int mapping_family) |
| 374 | { |
| 375 | int nb_streams; |
| 376 | int nb_coupled_streams; |
Jean-Marc Valin | a4dccd3 | 2013-05-04 23:54:20 -0400 | [diff] [blame] | 377 | opus_int32 size; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 378 | |
Jean-Marc Valin | 7a8b139 | 2013-04-29 18:32:27 -0400 | [diff] [blame] | 379 | if (mapping_family==0) |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 380 | { |
Jean-Marc Valin | 7a8b139 | 2013-04-29 18:32:27 -0400 | [diff] [blame] | 381 | if (channels==1) |
| 382 | { |
| 383 | nb_streams=1; |
| 384 | nb_coupled_streams=0; |
| 385 | } else if (channels==2) |
| 386 | { |
| 387 | nb_streams=1; |
| 388 | nb_coupled_streams=1; |
| 389 | } else |
| 390 | return 0; |
| 391 | } else if (mapping_family==1 && channels<=8 && channels>=1) |
| 392 | { |
| 393 | nb_streams=vorbis_mappings[channels-1].nb_streams; |
| 394 | nb_coupled_streams=vorbis_mappings[channels-1].nb_coupled_streams; |
| 395 | } else if (mapping_family==255) |
| 396 | { |
| 397 | nb_streams=channels; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 398 | nb_coupled_streams=0; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 399 | } else |
| 400 | return 0; |
Jean-Marc Valin | a4dccd3 | 2013-05-04 23:54:20 -0400 | [diff] [blame] | 401 | size = opus_multistream_encoder_get_size(nb_streams, nb_coupled_streams); |
| 402 | if (channels>2) |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 403 | { |
| 404 | size += channels*(120*sizeof(opus_val32) + sizeof(opus_val32)); |
| 405 | } |
Jean-Marc Valin | a4dccd3 | 2013-05-04 23:54:20 -0400 | [diff] [blame] | 406 | return size; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 407 | } |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 408 | |
| 409 | |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 410 | static int opus_multistream_encoder_init_impl( |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 411 | OpusMSEncoder *st, |
| 412 | opus_int32 Fs, |
| 413 | int channels, |
| 414 | int streams, |
| 415 | int coupled_streams, |
| 416 | const unsigned char *mapping, |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 417 | int application, |
| 418 | int surround |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 419 | ) |
| 420 | { |
| 421 | int coupled_size; |
| 422 | int mono_size; |
| 423 | int i, ret; |
| 424 | char *ptr; |
| 425 | |
| 426 | if ((channels>255) || (channels<1) || (coupled_streams>streams) || |
Mark Harris | 25b27a9 | 2014-11-27 08:48:09 -0800 | [diff] [blame] | 427 | (streams<1) || (coupled_streams<0) || (streams>255-coupled_streams)) |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 428 | return OPUS_BAD_ARG; |
| 429 | |
| 430 | st->layout.nb_channels = channels; |
| 431 | st->layout.nb_streams = streams; |
| 432 | st->layout.nb_coupled_streams = coupled_streams; |
Jean-Marc Valin | b042935 | 2013-05-05 02:22:06 -0400 | [diff] [blame] | 433 | st->subframe_mem[0]=st->subframe_mem[1]=st->subframe_mem[2]=0; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 434 | if (!surround) |
| 435 | st->lfe_stream = -1; |
Jean-Marc Valin | 95561be | 2012-12-17 17:54:01 -0500 | [diff] [blame] | 436 | st->bitrate_bps = OPUS_AUTO; |
Jean-Marc Valin | b90e63b | 2013-09-16 13:08:52 -0400 | [diff] [blame] | 437 | st->application = application; |
Jean-Marc Valin | 51f4a32 | 2013-02-20 04:08:04 -0500 | [diff] [blame] | 438 | st->variable_duration = OPUS_FRAMESIZE_ARG; |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 439 | for (i=0;i<st->layout.nb_channels;i++) |
| 440 | st->layout.mapping[i] = mapping[i]; |
| 441 | if (!validate_layout(&st->layout) || !validate_encoder_layout(&st->layout)) |
| 442 | return OPUS_BAD_ARG; |
| 443 | ptr = (char*)st + align(sizeof(OpusMSEncoder)); |
| 444 | coupled_size = opus_encoder_get_size(2); |
| 445 | mono_size = opus_encoder_get_size(1); |
| 446 | |
| 447 | for (i=0;i<st->layout.nb_coupled_streams;i++) |
| 448 | { |
| 449 | ret = opus_encoder_init((OpusEncoder*)ptr, Fs, 2, application); |
Jean-Marc Valin | a4dccd3 | 2013-05-04 23:54:20 -0400 | [diff] [blame] | 450 | if(ret!=OPUS_OK)return ret; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 451 | if (i==st->lfe_stream) |
| 452 | opus_encoder_ctl((OpusEncoder*)ptr, OPUS_SET_LFE(1)); |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 453 | ptr += align(coupled_size); |
| 454 | } |
| 455 | for (;i<st->layout.nb_streams;i++) |
| 456 | { |
| 457 | ret = opus_encoder_init((OpusEncoder*)ptr, Fs, 1, application); |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 458 | if (i==st->lfe_stream) |
| 459 | opus_encoder_ctl((OpusEncoder*)ptr, OPUS_SET_LFE(1)); |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 460 | if(ret!=OPUS_OK)return ret; |
| 461 | ptr += align(mono_size); |
| 462 | } |
Jean-Marc Valin | 58d80ab | 2013-05-27 20:47:47 -0400 | [diff] [blame] | 463 | if (surround) |
Jean-Marc Valin | a4dccd3 | 2013-05-04 23:54:20 -0400 | [diff] [blame] | 464 | { |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 465 | OPUS_CLEAR(ms_get_preemph_mem(st), channels); |
| 466 | OPUS_CLEAR(ms_get_window_mem(st), channels*120); |
Jean-Marc Valin | a4dccd3 | 2013-05-04 23:54:20 -0400 | [diff] [blame] | 467 | } |
| 468 | st->surround = surround; |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 469 | return OPUS_OK; |
| 470 | } |
| 471 | |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 472 | int opus_multistream_encoder_init( |
| 473 | OpusMSEncoder *st, |
| 474 | opus_int32 Fs, |
| 475 | int channels, |
| 476 | int streams, |
| 477 | int coupled_streams, |
| 478 | const unsigned char *mapping, |
| 479 | int application |
| 480 | ) |
| 481 | { |
| 482 | return opus_multistream_encoder_init_impl(st, Fs, channels, streams, coupled_streams, mapping, application, 0); |
| 483 | } |
| 484 | |
| 485 | int opus_multistream_surround_encoder_init( |
| 486 | OpusMSEncoder *st, |
| 487 | opus_int32 Fs, |
| 488 | int channels, |
| 489 | int mapping_family, |
| 490 | int *streams, |
| 491 | int *coupled_streams, |
| 492 | unsigned char *mapping, |
| 493 | int application |
| 494 | ) |
| 495 | { |
Jean-Marc Valin | 337f34c | 2013-07-01 16:17:01 -0400 | [diff] [blame] | 496 | if ((channels>255) || (channels<1)) |
| 497 | return OPUS_BAD_ARG; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 498 | st->lfe_stream = -1; |
Jean-Marc Valin | 7a8b139 | 2013-04-29 18:32:27 -0400 | [diff] [blame] | 499 | if (mapping_family==0) |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 500 | { |
Jean-Marc Valin | 7a8b139 | 2013-04-29 18:32:27 -0400 | [diff] [blame] | 501 | if (channels==1) |
| 502 | { |
| 503 | *streams=1; |
| 504 | *coupled_streams=0; |
| 505 | mapping[0]=0; |
| 506 | } else if (channels==2) |
| 507 | { |
| 508 | *streams=1; |
| 509 | *coupled_streams=1; |
| 510 | mapping[0]=0; |
| 511 | mapping[1]=1; |
| 512 | } else |
| 513 | return OPUS_UNIMPLEMENTED; |
| 514 | } else if (mapping_family==1 && channels<=8 && channels>=1) |
| 515 | { |
| 516 | int i; |
| 517 | *streams=vorbis_mappings[channels-1].nb_streams; |
| 518 | *coupled_streams=vorbis_mappings[channels-1].nb_coupled_streams; |
| 519 | for (i=0;i<channels;i++) |
| 520 | mapping[i] = vorbis_mappings[channels-1].mapping[i]; |
| 521 | if (channels>=6) |
| 522 | st->lfe_stream = *streams-1; |
| 523 | } else if (mapping_family==255) |
| 524 | { |
| 525 | int i; |
| 526 | *streams=channels; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 527 | *coupled_streams=0; |
Jean-Marc Valin | 7a8b139 | 2013-04-29 18:32:27 -0400 | [diff] [blame] | 528 | for(i=0;i<channels;i++) |
| 529 | mapping[i] = i; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 530 | } else |
Jean-Marc Valin | 7a8b139 | 2013-04-29 18:32:27 -0400 | [diff] [blame] | 531 | return OPUS_UNIMPLEMENTED; |
Jean-Marc Valin | 337f34c | 2013-07-01 16:17:01 -0400 | [diff] [blame] | 532 | return opus_multistream_encoder_init_impl(st, Fs, channels, *streams, *coupled_streams, |
Jean-Marc Valin | 58d80ab | 2013-05-27 20:47:47 -0400 | [diff] [blame] | 533 | mapping, application, channels>2&&mapping_family==1); |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 534 | } |
| 535 | |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 536 | OpusMSEncoder *opus_multistream_encoder_create( |
| 537 | opus_int32 Fs, |
| 538 | int channels, |
| 539 | int streams, |
| 540 | int coupled_streams, |
| 541 | const unsigned char *mapping, |
| 542 | int application, |
| 543 | int *error |
| 544 | ) |
| 545 | { |
| 546 | int ret; |
| 547 | OpusMSEncoder *st; |
| 548 | if ((channels>255) || (channels<1) || (coupled_streams>streams) || |
Mark Harris | 25b27a9 | 2014-11-27 08:48:09 -0800 | [diff] [blame] | 549 | (streams<1) || (coupled_streams<0) || (streams>255-coupled_streams)) |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 550 | { |
| 551 | if (error) |
| 552 | *error = OPUS_BAD_ARG; |
| 553 | return NULL; |
| 554 | } |
| 555 | st = (OpusMSEncoder *)opus_alloc(opus_multistream_encoder_get_size(streams, coupled_streams)); |
| 556 | if (st==NULL) |
| 557 | { |
| 558 | if (error) |
| 559 | *error = OPUS_ALLOC_FAIL; |
| 560 | return NULL; |
| 561 | } |
| 562 | ret = opus_multistream_encoder_init(st, Fs, channels, streams, coupled_streams, mapping, application); |
| 563 | if (ret != OPUS_OK) |
| 564 | { |
| 565 | opus_free(st); |
| 566 | st = NULL; |
| 567 | } |
| 568 | if (error) |
| 569 | *error = ret; |
| 570 | return st; |
| 571 | } |
| 572 | |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 573 | OpusMSEncoder *opus_multistream_surround_encoder_create( |
| 574 | opus_int32 Fs, |
| 575 | int channels, |
| 576 | int mapping_family, |
| 577 | int *streams, |
| 578 | int *coupled_streams, |
| 579 | unsigned char *mapping, |
| 580 | int application, |
| 581 | int *error |
| 582 | ) |
| 583 | { |
| 584 | int ret; |
Mark Harris | 25b27a9 | 2014-11-27 08:48:09 -0800 | [diff] [blame] | 585 | opus_int32 size; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 586 | OpusMSEncoder *st; |
| 587 | if ((channels>255) || (channels<1)) |
| 588 | { |
| 589 | if (error) |
| 590 | *error = OPUS_BAD_ARG; |
| 591 | return NULL; |
| 592 | } |
Mark Harris | 25b27a9 | 2014-11-27 08:48:09 -0800 | [diff] [blame] | 593 | size = opus_multistream_surround_encoder_get_size(channels, mapping_family); |
| 594 | if (!size) |
| 595 | { |
| 596 | if (error) |
| 597 | *error = OPUS_UNIMPLEMENTED; |
| 598 | return NULL; |
| 599 | } |
| 600 | st = (OpusMSEncoder *)opus_alloc(size); |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 601 | if (st==NULL) |
| 602 | { |
| 603 | if (error) |
| 604 | *error = OPUS_ALLOC_FAIL; |
| 605 | return NULL; |
| 606 | } |
| 607 | ret = opus_multistream_surround_encoder_init(st, Fs, channels, mapping_family, streams, coupled_streams, mapping, application); |
| 608 | if (ret != OPUS_OK) |
| 609 | { |
| 610 | opus_free(st); |
| 611 | st = NULL; |
| 612 | } |
| 613 | if (error) |
| 614 | *error = ret; |
| 615 | return st; |
| 616 | } |
| 617 | |
Jean-Marc Valin | 8dc91de | 2014-06-21 01:16:46 -0400 | [diff] [blame] | 618 | static opus_int32 surround_rate_allocation( |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 619 | OpusMSEncoder *st, |
| 620 | opus_int32 *rate, |
| 621 | int frame_size |
| 622 | ) |
| 623 | { |
| 624 | int i; |
| 625 | opus_int32 channel_rate; |
| 626 | opus_int32 Fs; |
| 627 | char *ptr; |
Jean-Marc Valin | d66bdc7 | 2013-05-06 16:03:39 -0400 | [diff] [blame] | 628 | int stream_offset; |
| 629 | int lfe_offset; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 630 | int coupled_ratio; /* Q8 */ |
| 631 | int lfe_ratio; /* Q8 */ |
Jean-Marc Valin | 8dc91de | 2014-06-21 01:16:46 -0400 | [diff] [blame] | 632 | opus_int32 rate_sum=0; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 633 | |
| 634 | ptr = (char*)st + align(sizeof(OpusMSEncoder)); |
| 635 | opus_encoder_ctl((OpusEncoder*)ptr, OPUS_GET_SAMPLE_RATE(&Fs)); |
| 636 | |
Jean-Marc Valin | 4958751 | 2013-07-07 02:50:18 -0400 | [diff] [blame] | 637 | if (st->bitrate_bps > st->layout.nb_channels*40000) |
| 638 | stream_offset = 20000; |
| 639 | else |
| 640 | stream_offset = st->bitrate_bps/st->layout.nb_channels/2; |
Jean-Marc Valin | 87ca6c0 | 2013-11-13 22:58:10 -0500 | [diff] [blame] | 641 | stream_offset += 60*(Fs/frame_size-50); |
Jean-Marc Valin | d66bdc7 | 2013-05-06 16:03:39 -0400 | [diff] [blame] | 642 | /* We start by giving each stream (coupled or uncoupled) the same bitrate. |
| 643 | This models the main saving of coupled channels over uncoupled. */ |
Jean-Marc Valin | d66bdc7 | 2013-05-06 16:03:39 -0400 | [diff] [blame] | 644 | /* The LFE stream is an exception to the above and gets fewer bits. */ |
Jean-Marc Valin | 87ca6c0 | 2013-11-13 22:58:10 -0500 | [diff] [blame] | 645 | lfe_offset = 3500 + 60*(Fs/frame_size-50); |
Jean-Marc Valin | d66bdc7 | 2013-05-06 16:03:39 -0400 | [diff] [blame] | 646 | /* Coupled streams get twice the mono rate after the first 20 kb/s. */ |
| 647 | coupled_ratio = 512; |
| 648 | /* Should depend on the bitrate, for now we assume LFE gets 1/8 the bits of mono */ |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 649 | lfe_ratio = 32; |
| 650 | |
| 651 | /* Compute bitrate allocation between streams */ |
| 652 | if (st->bitrate_bps==OPUS_AUTO) |
| 653 | { |
| 654 | channel_rate = Fs+60*Fs/frame_size; |
| 655 | } else if (st->bitrate_bps==OPUS_BITRATE_MAX) |
| 656 | { |
| 657 | channel_rate = 300000; |
| 658 | } else { |
Jean-Marc Valin | d66bdc7 | 2013-05-06 16:03:39 -0400 | [diff] [blame] | 659 | int nb_lfe; |
| 660 | int nb_uncoupled; |
| 661 | int nb_coupled; |
| 662 | int total; |
| 663 | nb_lfe = (st->lfe_stream!=-1); |
| 664 | nb_coupled = st->layout.nb_coupled_streams; |
| 665 | nb_uncoupled = st->layout.nb_streams-nb_coupled-nb_lfe; |
| 666 | total = (nb_uncoupled<<8) /* mono */ |
| 667 | + coupled_ratio*nb_coupled /* stereo */ |
| 668 | + nb_lfe*lfe_ratio; |
| 669 | channel_rate = 256*(st->bitrate_bps-lfe_offset*nb_lfe-stream_offset*(nb_coupled+nb_uncoupled))/total; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 670 | } |
| 671 | #ifndef FIXED_POINT |
| 672 | if (st->variable_duration==OPUS_FRAMESIZE_VARIABLE && frame_size != Fs/50) |
| 673 | { |
| 674 | opus_int32 bonus; |
| 675 | bonus = 60*(Fs/frame_size-50); |
| 676 | channel_rate += bonus; |
| 677 | } |
| 678 | #endif |
| 679 | |
| 680 | for (i=0;i<st->layout.nb_streams;i++) |
| 681 | { |
| 682 | if (i<st->layout.nb_coupled_streams) |
Jean-Marc Valin | d66bdc7 | 2013-05-06 16:03:39 -0400 | [diff] [blame] | 683 | rate[i] = stream_offset+(channel_rate*coupled_ratio>>8); |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 684 | else if (i!=st->lfe_stream) |
Jean-Marc Valin | d66bdc7 | 2013-05-06 16:03:39 -0400 | [diff] [blame] | 685 | rate[i] = stream_offset+channel_rate; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 686 | else |
Jean-Marc Valin | d66bdc7 | 2013-05-06 16:03:39 -0400 | [diff] [blame] | 687 | rate[i] = lfe_offset+(channel_rate*lfe_ratio>>8); |
Jean-Marc Valin | 8dc91de | 2014-06-21 01:16:46 -0400 | [diff] [blame] | 688 | rate[i] = IMAX(rate[i], 500); |
| 689 | rate_sum += rate[i]; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 690 | } |
Jean-Marc Valin | 8dc91de | 2014-06-21 01:16:46 -0400 | [diff] [blame] | 691 | return rate_sum; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 692 | } |
| 693 | |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 694 | /* Max size in case the encoder decides to return three frames */ |
| 695 | #define MS_FRAME_TMP (3*1275+7) |
| 696 | static int opus_multistream_encode_native |
| 697 | ( |
| 698 | OpusMSEncoder *st, |
| 699 | opus_copy_channel_in_func copy_channel_in, |
| 700 | const void *pcm, |
Jean-Marc Valin | b90e63b | 2013-09-16 13:08:52 -0400 | [diff] [blame] | 701 | int analysis_frame_size, |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 702 | unsigned char *data, |
Jean-Marc Valin | b3eba24 | 2012-12-20 23:11:53 -0500 | [diff] [blame] | 703 | opus_int32 max_data_bytes, |
Jean-Marc Valin | 91904a4 | 2013-09-05 21:34:43 -0400 | [diff] [blame] | 704 | int lsb_depth, |
Jean-Marc Valin | c94e4bb | 2013-12-08 03:31:50 -0500 | [diff] [blame] | 705 | downmix_func downmix, |
| 706 | int float_api |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 707 | ) |
| 708 | { |
| 709 | opus_int32 Fs; |
| 710 | int coupled_size; |
| 711 | int mono_size; |
| 712 | int s; |
| 713 | char *ptr; |
| 714 | int tot_size; |
| 715 | VARDECL(opus_val16, buf); |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 716 | VARDECL(opus_val16, bandSMR); |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 717 | unsigned char tmp_data[MS_FRAME_TMP]; |
| 718 | OpusRepacketizer rp; |
Jean-Marc Valin | eab134c | 2013-10-14 15:01:36 -0400 | [diff] [blame] | 719 | opus_int32 vbr; |
Jean-Marc Valin | 51f4a32 | 2013-02-20 04:08:04 -0500 | [diff] [blame] | 720 | const CELTMode *celt_mode; |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 721 | opus_int32 bitrates[256]; |
Jean-Marc Valin | a4dccd3 | 2013-05-04 23:54:20 -0400 | [diff] [blame] | 722 | opus_val16 bandLogE[42]; |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 723 | opus_val32 *mem = NULL; |
| 724 | opus_val32 *preemph_mem=NULL; |
Jean-Marc Valin | b90e63b | 2013-09-16 13:08:52 -0400 | [diff] [blame] | 725 | int frame_size; |
Jean-Marc Valin | 8dc91de | 2014-06-21 01:16:46 -0400 | [diff] [blame] | 726 | opus_int32 rate_sum; |
| 727 | opus_int32 smallest_packet; |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 728 | ALLOC_STACK; |
| 729 | |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 730 | if (st->surround) |
| 731 | { |
| 732 | preemph_mem = ms_get_preemph_mem(st); |
| 733 | mem = ms_get_window_mem(st); |
| 734 | } |
| 735 | |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 736 | ptr = (char*)st + align(sizeof(OpusMSEncoder)); |
| 737 | opus_encoder_ctl((OpusEncoder*)ptr, OPUS_GET_SAMPLE_RATE(&Fs)); |
Jean-Marc Valin | eab134c | 2013-10-14 15:01:36 -0400 | [diff] [blame] | 738 | opus_encoder_ctl((OpusEncoder*)ptr, OPUS_GET_VBR(&vbr)); |
Jean-Marc Valin | 51f4a32 | 2013-02-20 04:08:04 -0500 | [diff] [blame] | 739 | opus_encoder_ctl((OpusEncoder*)ptr, CELT_GET_MODE(&celt_mode)); |
Jean-Marc Valin | 7448366 | 2012-12-17 16:23:42 -0500 | [diff] [blame] | 740 | |
Jean-Marc Valin | b90e63b | 2013-09-16 13:08:52 -0400 | [diff] [blame] | 741 | { |
| 742 | opus_int32 delay_compensation; |
| 743 | int channels; |
| 744 | |
| 745 | channels = st->layout.nb_streams + st->layout.nb_coupled_streams; |
| 746 | opus_encoder_ctl((OpusEncoder*)ptr, OPUS_GET_LOOKAHEAD(&delay_compensation)); |
| 747 | delay_compensation -= Fs/400; |
| 748 | frame_size = compute_frame_size(pcm, analysis_frame_size, |
| 749 | st->variable_duration, channels, Fs, st->bitrate_bps, |
Jean-Marc Valin | c2b3441 | 2013-10-28 21:48:50 -0400 | [diff] [blame] | 750 | delay_compensation, downmix |
| 751 | #ifndef DISABLE_FLOAT_API |
| 752 | , st->subframe_mem |
| 753 | #endif |
| 754 | ); |
Jean-Marc Valin | b90e63b | 2013-09-16 13:08:52 -0400 | [diff] [blame] | 755 | } |
| 756 | |
Jean-Marc Valin | 7448366 | 2012-12-17 16:23:42 -0500 | [diff] [blame] | 757 | if (400*frame_size < Fs) |
| 758 | { |
| 759 | RESTORE_STACK; |
| 760 | return OPUS_BAD_ARG; |
| 761 | } |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 762 | /* Validate frame_size before using it to allocate stack space. |
| 763 | This mirrors the checks in opus_encode[_float](). */ |
| 764 | if (400*frame_size != Fs && 200*frame_size != Fs && |
| 765 | 100*frame_size != Fs && 50*frame_size != Fs && |
| 766 | 25*frame_size != Fs && 50*frame_size != 3*Fs) |
| 767 | { |
| 768 | RESTORE_STACK; |
| 769 | return OPUS_BAD_ARG; |
| 770 | } |
Jean-Marc Valin | e1326fe | 2014-09-04 01:48:46 -0400 | [diff] [blame] | 771 | |
| 772 | /* Smallest packet the encoder can produce. */ |
| 773 | smallest_packet = st->layout.nb_streams*2-1; |
Jean-Marc Valin | 8dc91de | 2014-06-21 01:16:46 -0400 | [diff] [blame] | 774 | if (max_data_bytes < smallest_packet) |
| 775 | { |
| 776 | RESTORE_STACK; |
Jean-Marc Valin | e1326fe | 2014-09-04 01:48:46 -0400 | [diff] [blame] | 777 | return OPUS_BUFFER_TOO_SMALL; |
Jean-Marc Valin | 8dc91de | 2014-06-21 01:16:46 -0400 | [diff] [blame] | 778 | } |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 779 | ALLOC(buf, 2*frame_size, opus_val16); |
| 780 | coupled_size = opus_encoder_get_size(2); |
| 781 | mono_size = opus_encoder_get_size(1); |
| 782 | |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 783 | ALLOC(bandSMR, 21*st->layout.nb_channels, opus_val16); |
Jean-Marc Valin | 58d80ab | 2013-05-27 20:47:47 -0400 | [diff] [blame] | 784 | if (st->surround) |
Jean-Marc Valin | a4dccd3 | 2013-05-04 23:54:20 -0400 | [diff] [blame] | 785 | { |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 786 | surround_analysis(celt_mode, pcm, bandSMR, mem, preemph_mem, frame_size, 120, st->layout.nb_channels, Fs, copy_channel_in); |
Jean-Marc Valin | a4dccd3 | 2013-05-04 23:54:20 -0400 | [diff] [blame] | 787 | } |
| 788 | |
Jean-Marc Valin | 7448366 | 2012-12-17 16:23:42 -0500 | [diff] [blame] | 789 | /* Compute bitrate allocation between streams (this could be a lot better) */ |
Jean-Marc Valin | 8dc91de | 2014-06-21 01:16:46 -0400 | [diff] [blame] | 790 | rate_sum = surround_rate_allocation(st, bitrates, frame_size); |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 791 | |
Jean-Marc Valin | eab134c | 2013-10-14 15:01:36 -0400 | [diff] [blame] | 792 | if (!vbr) |
Jean-Marc Valin | 8dc91de | 2014-06-21 01:16:46 -0400 | [diff] [blame] | 793 | { |
| 794 | if (st->bitrate_bps == OPUS_AUTO) |
| 795 | { |
| 796 | max_data_bytes = IMIN(max_data_bytes, 3*rate_sum/(3*8*Fs/frame_size)); |
| 797 | } else if (st->bitrate_bps != OPUS_BITRATE_MAX) |
| 798 | { |
| 799 | max_data_bytes = IMIN(max_data_bytes, IMAX(smallest_packet, |
| 800 | 3*st->bitrate_bps/(3*8*Fs/frame_size))); |
| 801 | } |
| 802 | } |
Jean-Marc Valin | 7448366 | 2012-12-17 16:23:42 -0500 | [diff] [blame] | 803 | ptr = (char*)st + align(sizeof(OpusMSEncoder)); |
| 804 | for (s=0;s<st->layout.nb_streams;s++) |
| 805 | { |
| 806 | OpusEncoder *enc; |
| 807 | enc = (OpusEncoder*)ptr; |
| 808 | if (s < st->layout.nb_coupled_streams) |
| 809 | ptr += align(coupled_size); |
| 810 | else |
| 811 | ptr += align(mono_size); |
Jean-Marc Valin | 1b72386 | 2013-04-25 21:34:04 -0400 | [diff] [blame] | 812 | opus_encoder_ctl(enc, OPUS_SET_BITRATE(bitrates[s])); |
Jean-Marc Valin | a4dccd3 | 2013-05-04 23:54:20 -0400 | [diff] [blame] | 813 | if (st->surround) |
| 814 | { |
Jean-Marc Valin | 6fbfed6 | 2013-09-13 17:16:38 -0400 | [diff] [blame] | 815 | opus_int32 equiv_rate; |
| 816 | equiv_rate = st->bitrate_bps; |
| 817 | if (frame_size*50 < Fs) |
| 818 | equiv_rate -= 60*(Fs/frame_size - 50)*st->layout.nb_channels; |
Jean-Marc Valin | ccf7d9b | 2013-11-24 01:57:52 -0500 | [diff] [blame] | 819 | if (equiv_rate > 10000*st->layout.nb_channels) |
Jean-Marc Valin | 6fbfed6 | 2013-09-13 17:16:38 -0400 | [diff] [blame] | 820 | opus_encoder_ctl(enc, OPUS_SET_BANDWIDTH(OPUS_BANDWIDTH_FULLBAND)); |
Jean-Marc Valin | ccf7d9b | 2013-11-24 01:57:52 -0500 | [diff] [blame] | 821 | else if (equiv_rate > 7000*st->layout.nb_channels) |
Jean-Marc Valin | 6fbfed6 | 2013-09-13 17:16:38 -0400 | [diff] [blame] | 822 | opus_encoder_ctl(enc, OPUS_SET_BANDWIDTH(OPUS_BANDWIDTH_SUPERWIDEBAND)); |
Jean-Marc Valin | ccf7d9b | 2013-11-24 01:57:52 -0500 | [diff] [blame] | 823 | else if (equiv_rate > 5000*st->layout.nb_channels) |
Jean-Marc Valin | 6fbfed6 | 2013-09-13 17:16:38 -0400 | [diff] [blame] | 824 | opus_encoder_ctl(enc, OPUS_SET_BANDWIDTH(OPUS_BANDWIDTH_WIDEBAND)); |
| 825 | else |
| 826 | opus_encoder_ctl(enc, OPUS_SET_BANDWIDTH(OPUS_BANDWIDTH_NARROWBAND)); |
Jean-Marc Valin | a4dccd3 | 2013-05-04 23:54:20 -0400 | [diff] [blame] | 827 | if (s < st->layout.nb_coupled_streams) |
Jean-Marc Valin | 8824fdb | 2013-09-10 01:15:19 -0400 | [diff] [blame] | 828 | { |
| 829 | /* To preserve the spatial image, force stereo CELT on coupled streams */ |
| 830 | opus_encoder_ctl(enc, OPUS_SET_FORCE_MODE(MODE_CELT_ONLY)); |
Jean-Marc Valin | a4dccd3 | 2013-05-04 23:54:20 -0400 | [diff] [blame] | 831 | opus_encoder_ctl(enc, OPUS_SET_FORCE_CHANNELS(2)); |
Jean-Marc Valin | 8824fdb | 2013-09-10 01:15:19 -0400 | [diff] [blame] | 832 | } |
Jean-Marc Valin | a4dccd3 | 2013-05-04 23:54:20 -0400 | [diff] [blame] | 833 | } |
Jean-Marc Valin | 7448366 | 2012-12-17 16:23:42 -0500 | [diff] [blame] | 834 | } |
| 835 | |
| 836 | ptr = (char*)st + align(sizeof(OpusMSEncoder)); |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 837 | /* Counting ToC */ |
| 838 | tot_size = 0; |
| 839 | for (s=0;s<st->layout.nb_streams;s++) |
| 840 | { |
| 841 | OpusEncoder *enc; |
| 842 | int len; |
| 843 | int curr_max; |
Jean-Marc Valin | 91904a4 | 2013-09-05 21:34:43 -0400 | [diff] [blame] | 844 | int c1, c2; |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 845 | |
| 846 | opus_repacketizer_init(&rp); |
| 847 | enc = (OpusEncoder*)ptr; |
| 848 | if (s < st->layout.nb_coupled_streams) |
| 849 | { |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 850 | int i; |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 851 | int left, right; |
| 852 | left = get_left_channel(&st->layout, s, -1); |
| 853 | right = get_right_channel(&st->layout, s, -1); |
| 854 | (*copy_channel_in)(buf, 2, |
| 855 | pcm, st->layout.nb_channels, left, frame_size); |
| 856 | (*copy_channel_in)(buf+1, 2, |
| 857 | pcm, st->layout.nb_channels, right, frame_size); |
| 858 | ptr += align(coupled_size); |
Jean-Marc Valin | a4dccd3 | 2013-05-04 23:54:20 -0400 | [diff] [blame] | 859 | if (st->surround) |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 860 | { |
| 861 | for (i=0;i<21;i++) |
| 862 | { |
| 863 | bandLogE[i] = bandSMR[21*left+i]; |
| 864 | bandLogE[21+i] = bandSMR[21*right+i]; |
| 865 | } |
| 866 | } |
Jean-Marc Valin | 91904a4 | 2013-09-05 21:34:43 -0400 | [diff] [blame] | 867 | c1 = left; |
| 868 | c2 = right; |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 869 | } else { |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 870 | int i; |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 871 | int chan = get_mono_channel(&st->layout, s, -1); |
| 872 | (*copy_channel_in)(buf, 1, |
| 873 | pcm, st->layout.nb_channels, chan, frame_size); |
| 874 | ptr += align(mono_size); |
Jean-Marc Valin | a4dccd3 | 2013-05-04 23:54:20 -0400 | [diff] [blame] | 875 | if (st->surround) |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 876 | { |
| 877 | for (i=0;i<21;i++) |
| 878 | bandLogE[i] = bandSMR[21*chan+i]; |
| 879 | } |
Jean-Marc Valin | 91904a4 | 2013-09-05 21:34:43 -0400 | [diff] [blame] | 880 | c1 = chan; |
| 881 | c2 = -1; |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 882 | } |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 883 | if (st->surround) |
| 884 | opus_encoder_ctl(enc, OPUS_SET_ENERGY_MASK(bandLogE)); |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 885 | /* number of bytes left (+Toc) */ |
| 886 | curr_max = max_data_bytes - tot_size; |
Jean-Marc Valin | da97db1 | 2014-09-04 02:48:21 -0400 | [diff] [blame] | 887 | /* Reserve one byte for the last stream and two for the others */ |
Jean-Marc Valin | e1326fe | 2014-09-04 01:48:46 -0400 | [diff] [blame] | 888 | curr_max -= IMAX(0,2*(st->layout.nb_streams-s-1)-1); |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 889 | curr_max = IMIN(curr_max,MS_FRAME_TMP); |
Jean-Marc Valin | da97db1 | 2014-09-04 02:48:21 -0400 | [diff] [blame] | 890 | /* Repacketizer will add one or two bytes for self-delimited frames */ |
Jean-Marc Valin | 648eb9a | 2014-09-04 02:44:09 -0400 | [diff] [blame] | 891 | if (s != st->layout.nb_streams-1) curr_max -= curr_max>253 ? 2 : 1; |
Jean-Marc Valin | 2e653a7 | 2013-10-14 17:47:18 -0400 | [diff] [blame] | 892 | if (!vbr && s == st->layout.nb_streams-1) |
| 893 | opus_encoder_ctl(enc, OPUS_SET_BITRATE(curr_max*(8*Fs/frame_size))); |
Jean-Marc Valin | b90e63b | 2013-09-16 13:08:52 -0400 | [diff] [blame] | 894 | len = opus_encode_native(enc, buf, frame_size, tmp_data, curr_max, lsb_depth, |
Jean-Marc Valin | c94e4bb | 2013-12-08 03:31:50 -0500 | [diff] [blame] | 895 | pcm, analysis_frame_size, c1, c2, st->layout.nb_channels, downmix, float_api); |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 896 | if (len<0) |
| 897 | { |
| 898 | RESTORE_STACK; |
| 899 | return len; |
| 900 | } |
| 901 | /* We need to use the repacketizer to add the self-delimiting lengths |
| 902 | while taking into account the fact that the encoder can now return |
| 903 | more than one frame at a time (e.g. 60 ms CELT-only) */ |
| 904 | opus_repacketizer_cat(&rp, tmp_data, len); |
Jean-Marc Valin | c5635d2 | 2013-11-13 14:08:22 -0500 | [diff] [blame] | 905 | len = opus_repacketizer_out_range_impl(&rp, 0, opus_repacketizer_get_nb_frames(&rp), |
| 906 | data, max_data_bytes-tot_size, s != st->layout.nb_streams-1, !vbr && s == st->layout.nb_streams-1); |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 907 | data += len; |
| 908 | tot_size += len; |
| 909 | } |
Jean-Marc Valin | fdceae8 | 2013-08-30 21:58:02 -0400 | [diff] [blame] | 910 | /*printf("\n");*/ |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 911 | RESTORE_STACK; |
| 912 | return tot_size; |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 913 | } |
| 914 | |
Pedro Becerra | 1af7f95 | 2013-07-11 00:00:47 -0400 | [diff] [blame] | 915 | #if !defined(DISABLE_FLOAT_API) |
| 916 | static void opus_copy_channel_in_float( |
| 917 | opus_val16 *dst, |
| 918 | int dst_stride, |
| 919 | const void *src, |
| 920 | int src_stride, |
| 921 | int src_channel, |
| 922 | int frame_size |
| 923 | ) |
| 924 | { |
| 925 | const float *float_src; |
| 926 | opus_int32 i; |
| 927 | float_src = (const float *)src; |
| 928 | for (i=0;i<frame_size;i++) |
| 929 | #if defined(FIXED_POINT) |
| 930 | dst[i*dst_stride] = FLOAT2INT16(float_src[i*src_stride+src_channel]); |
| 931 | #else |
| 932 | dst[i*dst_stride] = float_src[i*src_stride+src_channel]; |
| 933 | #endif |
| 934 | } |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 935 | #endif |
| 936 | |
| 937 | static void opus_copy_channel_in_short( |
| 938 | opus_val16 *dst, |
| 939 | int dst_stride, |
| 940 | const void *src, |
| 941 | int src_stride, |
| 942 | int src_channel, |
| 943 | int frame_size |
| 944 | ) |
| 945 | { |
| 946 | const opus_int16 *short_src; |
Timothy B. Terriberry | a8f04b2 | 2013-03-18 14:42:44 -0700 | [diff] [blame] | 947 | opus_int32 i; |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 948 | short_src = (const opus_int16 *)src; |
| 949 | for (i=0;i<frame_size;i++) |
| 950 | #if defined(FIXED_POINT) |
| 951 | dst[i*dst_stride] = short_src[i*src_stride+src_channel]; |
| 952 | #else |
| 953 | dst[i*dst_stride] = (1/32768.f)*short_src[i*src_stride+src_channel]; |
| 954 | #endif |
| 955 | } |
| 956 | |
Jean-Marc Valin | a4dccd3 | 2013-05-04 23:54:20 -0400 | [diff] [blame] | 957 | |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 958 | #ifdef FIXED_POINT |
| 959 | int opus_multistream_encode( |
| 960 | OpusMSEncoder *st, |
| 961 | const opus_val16 *pcm, |
| 962 | int frame_size, |
| 963 | unsigned char *data, |
| 964 | opus_int32 max_data_bytes |
| 965 | ) |
| 966 | { |
| 967 | return opus_multistream_encode_native(st, opus_copy_channel_in_short, |
Jean-Marc Valin | c94e4bb | 2013-12-08 03:31:50 -0500 | [diff] [blame] | 968 | pcm, frame_size, data, max_data_bytes, 16, downmix_int, 0); |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 969 | } |
| 970 | |
| 971 | #ifndef DISABLE_FLOAT_API |
| 972 | int opus_multistream_encode_float( |
| 973 | OpusMSEncoder *st, |
| 974 | const float *pcm, |
| 975 | int frame_size, |
| 976 | unsigned char *data, |
| 977 | opus_int32 max_data_bytes |
| 978 | ) |
| 979 | { |
| 980 | return opus_multistream_encode_native(st, opus_copy_channel_in_float, |
Jean-Marc Valin | c94e4bb | 2013-12-08 03:31:50 -0500 | [diff] [blame] | 981 | pcm, frame_size, data, max_data_bytes, 16, downmix_float, 1); |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 982 | } |
| 983 | #endif |
| 984 | |
| 985 | #else |
| 986 | |
| 987 | int opus_multistream_encode_float |
| 988 | ( |
| 989 | OpusMSEncoder *st, |
| 990 | const opus_val16 *pcm, |
| 991 | int frame_size, |
| 992 | unsigned char *data, |
| 993 | opus_int32 max_data_bytes |
| 994 | ) |
| 995 | { |
| 996 | return opus_multistream_encode_native(st, opus_copy_channel_in_float, |
Jean-Marc Valin | c94e4bb | 2013-12-08 03:31:50 -0500 | [diff] [blame] | 997 | pcm, frame_size, data, max_data_bytes, 24, downmix_float, 1); |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 998 | } |
| 999 | |
| 1000 | int opus_multistream_encode( |
| 1001 | OpusMSEncoder *st, |
| 1002 | const opus_int16 *pcm, |
| 1003 | int frame_size, |
| 1004 | unsigned char *data, |
| 1005 | opus_int32 max_data_bytes |
| 1006 | ) |
| 1007 | { |
| 1008 | return opus_multistream_encode_native(st, opus_copy_channel_in_short, |
Jean-Marc Valin | c94e4bb | 2013-12-08 03:31:50 -0500 | [diff] [blame] | 1009 | pcm, frame_size, data, max_data_bytes, 16, downmix_int, 0); |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 1010 | } |
| 1011 | #endif |
| 1012 | |
| 1013 | int opus_multistream_encoder_ctl(OpusMSEncoder *st, int request, ...) |
| 1014 | { |
| 1015 | va_list ap; |
| 1016 | int coupled_size, mono_size; |
| 1017 | char *ptr; |
| 1018 | int ret = OPUS_OK; |
| 1019 | |
| 1020 | va_start(ap, request); |
| 1021 | |
| 1022 | coupled_size = opus_encoder_get_size(2); |
| 1023 | mono_size = opus_encoder_get_size(1); |
| 1024 | ptr = (char*)st + align(sizeof(OpusMSEncoder)); |
| 1025 | switch (request) |
| 1026 | { |
| 1027 | case OPUS_SET_BITRATE_REQUEST: |
| 1028 | { |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 1029 | opus_int32 value = va_arg(ap, opus_int32); |
Gregory Maxwell | a0d096f | 2013-06-29 20:33:32 -0700 | [diff] [blame] | 1030 | if (value<0 && value!=OPUS_AUTO && value!=OPUS_BITRATE_MAX) |
| 1031 | { |
Jean-Marc Valin | 95561be | 2012-12-17 17:54:01 -0500 | [diff] [blame] | 1032 | goto bad_arg; |
Gregory Maxwell | b271dae | 2013-06-29 20:25:55 -0700 | [diff] [blame] | 1033 | } |
Jean-Marc Valin | 7448366 | 2012-12-17 16:23:42 -0500 | [diff] [blame] | 1034 | st->bitrate_bps = value; |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 1035 | } |
| 1036 | break; |
| 1037 | case OPUS_GET_BITRATE_REQUEST: |
| 1038 | { |
| 1039 | int s; |
| 1040 | opus_int32 *value = va_arg(ap, opus_int32*); |
Gregory Maxwell | a0d096f | 2013-06-29 20:33:32 -0700 | [diff] [blame] | 1041 | if (!value) |
| 1042 | { |
Gregory Maxwell | b271dae | 2013-06-29 20:25:55 -0700 | [diff] [blame] | 1043 | goto bad_arg; |
| 1044 | } |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 1045 | *value = 0; |
| 1046 | for (s=0;s<st->layout.nb_streams;s++) |
| 1047 | { |
| 1048 | opus_int32 rate; |
| 1049 | OpusEncoder *enc; |
| 1050 | enc = (OpusEncoder*)ptr; |
| 1051 | if (s < st->layout.nb_coupled_streams) |
| 1052 | ptr += align(coupled_size); |
| 1053 | else |
| 1054 | ptr += align(mono_size); |
| 1055 | opus_encoder_ctl(enc, request, &rate); |
| 1056 | *value += rate; |
| 1057 | } |
| 1058 | } |
| 1059 | break; |
| 1060 | case OPUS_GET_LSB_DEPTH_REQUEST: |
| 1061 | case OPUS_GET_VBR_REQUEST: |
| 1062 | case OPUS_GET_APPLICATION_REQUEST: |
| 1063 | case OPUS_GET_BANDWIDTH_REQUEST: |
| 1064 | case OPUS_GET_COMPLEXITY_REQUEST: |
| 1065 | case OPUS_GET_PACKET_LOSS_PERC_REQUEST: |
| 1066 | case OPUS_GET_DTX_REQUEST: |
| 1067 | case OPUS_GET_VOICE_RATIO_REQUEST: |
| 1068 | case OPUS_GET_VBR_CONSTRAINT_REQUEST: |
| 1069 | case OPUS_GET_SIGNAL_REQUEST: |
| 1070 | case OPUS_GET_LOOKAHEAD_REQUEST: |
| 1071 | case OPUS_GET_SAMPLE_RATE_REQUEST: |
| 1072 | case OPUS_GET_INBAND_FEC_REQUEST: |
| 1073 | case OPUS_GET_FORCE_CHANNELS_REQUEST: |
Jean-Marc Valin | cbe93e2 | 2013-11-15 13:50:38 -0500 | [diff] [blame] | 1074 | case OPUS_GET_PREDICTION_DISABLED_REQUEST: |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 1075 | { |
| 1076 | OpusEncoder *enc; |
| 1077 | /* For int32* GET params, just query the first stream */ |
| 1078 | opus_int32 *value = va_arg(ap, opus_int32*); |
| 1079 | enc = (OpusEncoder*)ptr; |
| 1080 | ret = opus_encoder_ctl(enc, request, value); |
| 1081 | } |
| 1082 | break; |
| 1083 | case OPUS_GET_FINAL_RANGE_REQUEST: |
| 1084 | { |
| 1085 | int s; |
| 1086 | opus_uint32 *value = va_arg(ap, opus_uint32*); |
| 1087 | opus_uint32 tmp; |
Gregory Maxwell | a0d096f | 2013-06-29 20:33:32 -0700 | [diff] [blame] | 1088 | if (!value) |
| 1089 | { |
Gregory Maxwell | b271dae | 2013-06-29 20:25:55 -0700 | [diff] [blame] | 1090 | goto bad_arg; |
| 1091 | } |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 1092 | *value=0; |
| 1093 | for (s=0;s<st->layout.nb_streams;s++) |
| 1094 | { |
| 1095 | OpusEncoder *enc; |
| 1096 | enc = (OpusEncoder*)ptr; |
| 1097 | if (s < st->layout.nb_coupled_streams) |
| 1098 | ptr += align(coupled_size); |
| 1099 | else |
| 1100 | ptr += align(mono_size); |
| 1101 | ret = opus_encoder_ctl(enc, request, &tmp); |
| 1102 | if (ret != OPUS_OK) break; |
| 1103 | *value ^= tmp; |
| 1104 | } |
| 1105 | } |
| 1106 | break; |
| 1107 | case OPUS_SET_LSB_DEPTH_REQUEST: |
| 1108 | case OPUS_SET_COMPLEXITY_REQUEST: |
| 1109 | case OPUS_SET_VBR_REQUEST: |
| 1110 | case OPUS_SET_VBR_CONSTRAINT_REQUEST: |
Daniel Jensen | c0c0ef6 | 2013-07-22 16:31:31 -0600 | [diff] [blame] | 1111 | case OPUS_SET_MAX_BANDWIDTH_REQUEST: |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 1112 | case OPUS_SET_BANDWIDTH_REQUEST: |
| 1113 | case OPUS_SET_SIGNAL_REQUEST: |
| 1114 | case OPUS_SET_APPLICATION_REQUEST: |
| 1115 | case OPUS_SET_INBAND_FEC_REQUEST: |
| 1116 | case OPUS_SET_PACKET_LOSS_PERC_REQUEST: |
| 1117 | case OPUS_SET_DTX_REQUEST: |
| 1118 | case OPUS_SET_FORCE_MODE_REQUEST: |
| 1119 | case OPUS_SET_FORCE_CHANNELS_REQUEST: |
Jean-Marc Valin | cbe93e2 | 2013-11-15 13:50:38 -0500 | [diff] [blame] | 1120 | case OPUS_SET_PREDICTION_DISABLED_REQUEST: |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 1121 | { |
| 1122 | int s; |
| 1123 | /* This works for int32 params */ |
| 1124 | opus_int32 value = va_arg(ap, opus_int32); |
| 1125 | for (s=0;s<st->layout.nb_streams;s++) |
| 1126 | { |
| 1127 | OpusEncoder *enc; |
| 1128 | |
| 1129 | enc = (OpusEncoder*)ptr; |
| 1130 | if (s < st->layout.nb_coupled_streams) |
| 1131 | ptr += align(coupled_size); |
| 1132 | else |
| 1133 | ptr += align(mono_size); |
| 1134 | ret = opus_encoder_ctl(enc, request, value); |
| 1135 | if (ret != OPUS_OK) |
| 1136 | break; |
| 1137 | } |
| 1138 | } |
| 1139 | break; |
| 1140 | case OPUS_MULTISTREAM_GET_ENCODER_STATE_REQUEST: |
| 1141 | { |
| 1142 | int s; |
| 1143 | opus_int32 stream_id; |
| 1144 | OpusEncoder **value; |
| 1145 | stream_id = va_arg(ap, opus_int32); |
| 1146 | if (stream_id<0 || stream_id >= st->layout.nb_streams) |
| 1147 | ret = OPUS_BAD_ARG; |
| 1148 | value = va_arg(ap, OpusEncoder**); |
Gregory Maxwell | a0d096f | 2013-06-29 20:33:32 -0700 | [diff] [blame] | 1149 | if (!value) |
| 1150 | { |
Gregory Maxwell | b271dae | 2013-06-29 20:25:55 -0700 | [diff] [blame] | 1151 | goto bad_arg; |
| 1152 | } |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 1153 | for (s=0;s<stream_id;s++) |
| 1154 | { |
| 1155 | if (s < st->layout.nb_coupled_streams) |
| 1156 | ptr += align(coupled_size); |
| 1157 | else |
| 1158 | ptr += align(mono_size); |
| 1159 | } |
| 1160 | *value = (OpusEncoder*)ptr; |
| 1161 | } |
Jean-Marc Valin | 7448366 | 2012-12-17 16:23:42 -0500 | [diff] [blame] | 1162 | break; |
Jean-Marc Valin | 51f4a32 | 2013-02-20 04:08:04 -0500 | [diff] [blame] | 1163 | case OPUS_SET_EXPERT_FRAME_DURATION_REQUEST: |
Jean-Marc Valin | 7448366 | 2012-12-17 16:23:42 -0500 | [diff] [blame] | 1164 | { |
| 1165 | opus_int32 value = va_arg(ap, opus_int32); |
Jean-Marc Valin | 7448366 | 2012-12-17 16:23:42 -0500 | [diff] [blame] | 1166 | st->variable_duration = value; |
| 1167 | } |
| 1168 | break; |
Jean-Marc Valin | 51f4a32 | 2013-02-20 04:08:04 -0500 | [diff] [blame] | 1169 | case OPUS_GET_EXPERT_FRAME_DURATION_REQUEST: |
Jean-Marc Valin | 7448366 | 2012-12-17 16:23:42 -0500 | [diff] [blame] | 1170 | { |
| 1171 | opus_int32 *value = va_arg(ap, opus_int32*); |
Gregory Maxwell | a0d096f | 2013-06-29 20:33:32 -0700 | [diff] [blame] | 1172 | if (!value) |
| 1173 | { |
Gregory Maxwell | b271dae | 2013-06-29 20:25:55 -0700 | [diff] [blame] | 1174 | goto bad_arg; |
| 1175 | } |
Jean-Marc Valin | 7448366 | 2012-12-17 16:23:42 -0500 | [diff] [blame] | 1176 | *value = st->variable_duration; |
| 1177 | } |
| 1178 | break; |
Jean-Marc Valin | 811db62 | 2013-10-28 16:11:53 -0400 | [diff] [blame] | 1179 | case OPUS_RESET_STATE: |
| 1180 | { |
| 1181 | int s; |
| 1182 | st->subframe_mem[0] = st->subframe_mem[1] = st->subframe_mem[2] = 0; |
| 1183 | if (st->surround) |
| 1184 | { |
| 1185 | OPUS_CLEAR(ms_get_preemph_mem(st), st->layout.nb_channels); |
| 1186 | OPUS_CLEAR(ms_get_window_mem(st), st->layout.nb_channels*120); |
| 1187 | } |
| 1188 | for (s=0;s<st->layout.nb_streams;s++) |
| 1189 | { |
| 1190 | OpusEncoder *enc; |
| 1191 | enc = (OpusEncoder*)ptr; |
| 1192 | if (s < st->layout.nb_coupled_streams) |
| 1193 | ptr += align(coupled_size); |
| 1194 | else |
| 1195 | ptr += align(mono_size); |
| 1196 | ret = opus_encoder_ctl(enc, OPUS_RESET_STATE); |
| 1197 | if (ret != OPUS_OK) |
| 1198 | break; |
| 1199 | } |
| 1200 | } |
| 1201 | break; |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 1202 | default: |
| 1203 | ret = OPUS_UNIMPLEMENTED; |
| 1204 | break; |
| 1205 | } |
| 1206 | |
| 1207 | va_end(ap); |
| 1208 | return ret; |
Jean-Marc Valin | 7448366 | 2012-12-17 16:23:42 -0500 | [diff] [blame] | 1209 | bad_arg: |
| 1210 | va_end(ap); |
| 1211 | return OPUS_BAD_ARG; |
Jean-Marc Valin | ae0e2ca | 2012-11-07 19:57:33 -0500 | [diff] [blame] | 1212 | } |
| 1213 | |
| 1214 | void opus_multistream_encoder_destroy(OpusMSEncoder *st) |
| 1215 | { |
| 1216 | opus_free(st); |
| 1217 | } |