1 /* 2 * compress_params.h - codec types and parameters for compressed data 3 * streaming interface 4 * 5 * Copyright (C) 2011 Intel Corporation 6 * Authors: Pierre-Louis Bossart <pierre-louis.bossart (at) linux.intel.com> 7 * Vinod Koul <vinod.koul (at) linux.intel.com> 8 * 9 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License as published by 13 * the Free Software Foundation; version 2 of the License. 14 * 15 * This program is distributed in the hope that it will be useful, but 16 * WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License along 21 * with this program; if not, write to the Free Software Foundation, Inc., 22 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. 23 * 24 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 25 * 26 * The definitions in this file are derived from the OpenMAX AL version 1.1 27 * and OpenMAX IL v 1.1.2 header files which contain the copyright notice below. 28 * 29 * Copyright (c) 2007-2010 The Khronos Group Inc. 30 * 31 * Permission is hereby granted, free of charge, to any person obtaining 32 * a copy of this software and/or associated documentation files (the 33 * "Materials "), to deal in the Materials without restriction, including 34 * without limitation the rights to use, copy, modify, merge, publish, 35 * distribute, sublicense, and/or sell copies of the Materials, and to 36 * permit persons to whom the Materials are furnished to do so, subject to 37 * the following conditions: 38 * 39 * The above copyright notice and this permission notice shall be included 40 * in all copies or substantial portions of the Materials. 41 * 42 * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 43 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 44 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 45 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 46 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 47 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 48 * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. 49 * 50 */ 51 #ifndef __SND_COMPRESS_PARAMS_H 52 #define __SND_COMPRESS_PARAMS_H 53 54 #include <linux/types.h> 55 56 #define SND_DEC_DDP_MAX_PARAMS 18 57 58 /* AUDIO CODECS SUPPORTED */ 59 #define MAX_NUM_CODECS 32 60 #define MAX_NUM_CODEC_DESCRIPTORS 32 61 #define MAX_NUM_BITRATES 32 62 #define MAX_NUM_SAMPLE_RATES 32 63 64 /* compressed TX */ 65 #define MAX_NUM_FRAMES_PER_BUFFER 1 66 #define COMPRESSED_META_DATA_MODE 0x10 67 #define META_DATA_LEN_BYTES 36 68 #define Q6_AC3_DECODER 0x00010BF6 69 #define Q6_EAC3_DECODER 0x00010C3C 70 #define Q6_DTS 0x00010D88 71 #define Q6_DTS_LBR 0x00010DBB 72 73 /* Codecs are listed linearly to allow for extensibility */ 74 #define SND_AUDIOCODEC_PCM ((__u32) 0x00000001) 75 #define SND_AUDIOCODEC_MP3 ((__u32) 0x00000002) 76 #define SND_AUDIOCODEC_AMR ((__u32) 0x00000003) 77 #define SND_AUDIOCODEC_AMRWB ((__u32) 0x00000004) 78 #define SND_AUDIOCODEC_AMRWBPLUS ((__u32) 0x00000005) 79 #define SND_AUDIOCODEC_AAC ((__u32) 0x00000006) 80 #define SND_AUDIOCODEC_WMA ((__u32) 0x00000007) 81 #define SND_AUDIOCODEC_REAL ((__u32) 0x00000008) 82 #define SND_AUDIOCODEC_VORBIS ((__u32) 0x00000009) 83 #define SND_AUDIOCODEC_FLAC ((__u32) 0x0000000A) 84 #define SND_AUDIOCODEC_IEC61937 ((__u32) 0x0000000B) 85 #define SND_AUDIOCODEC_G723_1 ((__u32) 0x0000000C) 86 #define SND_AUDIOCODEC_G729 ((__u32) 0x0000000D) 87 #define SND_AUDIOCODEC_DTS_PASS_THROUGH ((__u32) 0x0000000E) 88 #define SND_AUDIOCODEC_DTS_LBR ((__u32) 0x0000000F) 89 #define SND_AUDIOCODEC_DTS_TRANSCODE_LOOPBACK ((__u32) 0x00000010) 90 #define SND_AUDIOCODEC_PASS_THROUGH ((__u32) 0x00000011) 91 #define SND_AUDIOCODEC_MP2 ((__u32) 0x00000012) 92 #define SND_AUDIOCODEC_DTS_LBR_PASS_THROUGH ((__u32) 0x00000013) 93 #define SND_AUDIOCODEC_AC3 ((__u32) 0x00000014) 94 #define SND_AUDIOCODEC_AC3_PASS_THROUGH ((__u32) 0x00000015) 95 #define SND_AUDIOCODEC_WMA_PRO ((__u32) 0x00000016) 96 #define SND_AUDIOCODEC_DTS ((__u32) 0x00000017) 97 #define SND_AUDIOCODEC_EAC3 ((__u32) 0x00000018) 98 #define SND_AUDIOCODEC_ALAC ((__u32) 0x00000019) 99 #define SND_AUDIOCODEC_APE ((__u32) 0x00000020) 100 #define SND_AUDIOCODEC_MAX SND_AUDIOCODEC_APE 101 /* 102 * Profile and modes are listed with bit masks. This allows for a 103 * more compact representation of fields that will not evolve 104 * (in contrast to the list of codecs) 105 */ 106 107 #define SND_AUDIOPROFILE_PCM ((__u32) 0x00000001) 108 109 /* MP3 modes are only useful for encoders */ 110 #define SND_AUDIOCHANMODE_MP3_MONO ((__u32) 0x00000001) 111 #define SND_AUDIOCHANMODE_MP3_STEREO ((__u32) 0x00000002) 112 #define SND_AUDIOCHANMODE_MP3_JOINTSTEREO ((__u32) 0x00000004) 113 #define SND_AUDIOCHANMODE_MP3_DUAL ((__u32) 0x00000008) 114 115 #define SND_AUDIOPROFILE_AMR ((__u32) 0x00000001) 116 117 /* AMR modes are only useful for encoders */ 118 #define SND_AUDIOMODE_AMR_DTX_OFF ((__u32) 0x00000001) 119 #define SND_AUDIOMODE_AMR_VAD1 ((__u32) 0x00000002) 120 #define SND_AUDIOMODE_AMR_VAD2 ((__u32) 0x00000004) 121 122 #define SND_AUDIOSTREAMFORMAT_UNDEFINED ((__u32) 0x00000000) 123 #define SND_AUDIOSTREAMFORMAT_CONFORMANCE ((__u32) 0x00000001) 124 #define SND_AUDIOSTREAMFORMAT_IF1 ((__u32) 0x00000002) 125 #define SND_AUDIOSTREAMFORMAT_IF2 ((__u32) 0x00000004) 126 #define SND_AUDIOSTREAMFORMAT_FSF ((__u32) 0x00000008) 127 #define SND_AUDIOSTREAMFORMAT_RTPPAYLOAD ((__u32) 0x00000010) 128 #define SND_AUDIOSTREAMFORMAT_ITU ((__u32) 0x00000020) 129 130 #define SND_AUDIOPROFILE_AMRWB ((__u32) 0x00000001) 131 132 /* AMRWB modes are only useful for encoders */ 133 #define SND_AUDIOMODE_AMRWB_DTX_OFF ((__u32) 0x00000001) 134 #define SND_AUDIOMODE_AMRWB_VAD1 ((__u32) 0x00000002) 135 #define SND_AUDIOMODE_AMRWB_VAD2 ((__u32) 0x00000004) 136 137 #define SND_AUDIOPROFILE_AMRWBPLUS ((__u32) 0x00000001) 138 139 #define SND_AUDIOPROFILE_AAC ((__u32) 0x00000001) 140 141 /* AAC modes are required for encoders and decoders */ 142 #define SND_AUDIOMODE_AAC_MAIN ((__u32) 0x00000001) 143 #define SND_AUDIOMODE_AAC_LC ((__u32) 0x00000002) 144 #define SND_AUDIOMODE_AAC_SSR ((__u32) 0x00000004) 145 #define SND_AUDIOMODE_AAC_LTP ((__u32) 0x00000008) 146 #define SND_AUDIOMODE_AAC_HE ((__u32) 0x00000010) 147 #define SND_AUDIOMODE_AAC_SCALABLE ((__u32) 0x00000020) 148 #define SND_AUDIOMODE_AAC_ERLC ((__u32) 0x00000040) 149 #define SND_AUDIOMODE_AAC_LD ((__u32) 0x00000080) 150 #define SND_AUDIOMODE_AAC_HE_PS ((__u32) 0x00000100) 151 #define SND_AUDIOMODE_AAC_HE_MPS ((__u32) 0x00000200) 152 153 /* AAC formats are required for encoders and decoders */ 154 #define SND_AUDIOSTREAMFORMAT_MP2ADTS ((__u32) 0x00000001) 155 #define SND_AUDIOSTREAMFORMAT_MP4ADTS ((__u32) 0x00000002) 156 #define SND_AUDIOSTREAMFORMAT_MP4LOAS ((__u32) 0x00000004) 157 #define SND_AUDIOSTREAMFORMAT_MP4LATM ((__u32) 0x00000008) 158 #define SND_AUDIOSTREAMFORMAT_ADIF ((__u32) 0x00000010) 159 #define SND_AUDIOSTREAMFORMAT_MP4FF ((__u32) 0x00000020) 160 #define SND_AUDIOSTREAMFORMAT_RAW ((__u32) 0x00000040) 161 162 #define SND_AUDIOPROFILE_WMA7 ((__u32) 0x00000001) 163 #define SND_AUDIOPROFILE_WMA8 ((__u32) 0x00000002) 164 #define SND_AUDIOPROFILE_WMA9 ((__u32) 0x00000004) 165 #define SND_AUDIOPROFILE_WMA10 ((__u32) 0x00000008) 166 167 #define SND_AUDIOMODE_WMA_LEVEL1 ((__u32) 0x00000001) 168 #define SND_AUDIOMODE_WMA_LEVEL2 ((__u32) 0x00000002) 169 #define SND_AUDIOMODE_WMA_LEVEL3 ((__u32) 0x00000004) 170 #define SND_AUDIOMODE_WMA_LEVEL4 ((__u32) 0x00000008) 171 #define SND_AUDIOMODE_WMAPRO_LEVELM0 ((__u32) 0x00000010) 172 #define SND_AUDIOMODE_WMAPRO_LEVELM1 ((__u32) 0x00000020) 173 #define SND_AUDIOMODE_WMAPRO_LEVELM2 ((__u32) 0x00000040) 174 #define SND_AUDIOMODE_WMAPRO_LEVELM3 ((__u32) 0x00000080) 175 176 #define SND_AUDIOSTREAMFORMAT_WMA_ASF ((__u32) 0x00000001) 177 /* 178 * Some implementations strip the ASF header and only send ASF packets 179 * to the DSP 180 */ 181 #define SND_AUDIOSTREAMFORMAT_WMA_NOASF_HDR ((__u32) 0x00000002) 182 183 #define SND_AUDIOPROFILE_REALAUDIO ((__u32) 0x00000001) 184 185 #define SND_AUDIOMODE_REALAUDIO_G2 ((__u32) 0x00000001) 186 #define SND_AUDIOMODE_REALAUDIO_8 ((__u32) 0x00000002) 187 #define SND_AUDIOMODE_REALAUDIO_10 ((__u32) 0x00000004) 188 #define SND_AUDIOMODE_REALAUDIO_SURROUND ((__u32) 0x00000008) 189 190 #define SND_AUDIOPROFILE_VORBIS ((__u32) 0x00000001) 191 192 #define SND_AUDIOMODE_VORBIS ((__u32) 0x00000001) 193 194 #define SND_AUDIOPROFILE_FLAC ((__u32) 0x00000001) 195 196 /* 197 * Define quality levels for FLAC encoders, from LEVEL0 (fast) 198 * to LEVEL8 (best) 199 */ 200 #define SND_AUDIOMODE_FLAC_LEVEL0 ((__u32) 0x00000001) 201 #define SND_AUDIOMODE_FLAC_LEVEL1 ((__u32) 0x00000002) 202 #define SND_AUDIOMODE_FLAC_LEVEL2 ((__u32) 0x00000004) 203 #define SND_AUDIOMODE_FLAC_LEVEL3 ((__u32) 0x00000008) 204 #define SND_AUDIOMODE_FLAC_LEVEL4 ((__u32) 0x00000010) 205 #define SND_AUDIOMODE_FLAC_LEVEL5 ((__u32) 0x00000020) 206 #define SND_AUDIOMODE_FLAC_LEVEL6 ((__u32) 0x00000040) 207 #define SND_AUDIOMODE_FLAC_LEVEL7 ((__u32) 0x00000080) 208 #define SND_AUDIOMODE_FLAC_LEVEL8 ((__u32) 0x00000100) 209 210 #define SND_AUDIOSTREAMFORMAT_FLAC ((__u32) 0x00000001) 211 #define SND_AUDIOSTREAMFORMAT_FLAC_OGG ((__u32) 0x00000002) 212 213 /* IEC61937 payloads without CUVP and preambles */ 214 #define SND_AUDIOPROFILE_IEC61937 ((__u32) 0x00000001) 215 /* IEC61937 with S/PDIF preambles+CUVP bits in 32-bit containers */ 216 #define SND_AUDIOPROFILE_IEC61937_SPDIF ((__u32) 0x00000002) 217 218 /* 219 * IEC modes are mandatory for decoders. Format autodetection 220 * will only happen on the DSP side with mode 0. The PCM mode should 221 * not be used, the PCM codec should be used instead. 222 */ 223 #define SND_AUDIOMODE_IEC_REF_STREAM_HEADER ((__u32) 0x00000000) 224 #define SND_AUDIOMODE_IEC_LPCM ((__u32) 0x00000001) 225 #define SND_AUDIOMODE_IEC_AC3 ((__u32) 0x00000002) 226 #define SND_AUDIOMODE_IEC_MPEG1 ((__u32) 0x00000004) 227 #define SND_AUDIOMODE_IEC_MP3 ((__u32) 0x00000008) 228 #define SND_AUDIOMODE_IEC_MPEG2 ((__u32) 0x00000010) 229 #define SND_AUDIOMODE_IEC_AACLC ((__u32) 0x00000020) 230 #define SND_AUDIOMODE_IEC_DTS ((__u32) 0x00000040) 231 #define SND_AUDIOMODE_IEC_ATRAC ((__u32) 0x00000080) 232 #define SND_AUDIOMODE_IEC_SACD ((__u32) 0x00000100) 233 #define SND_AUDIOMODE_IEC_EAC3 ((__u32) 0x00000200) 234 #define SND_AUDIOMODE_IEC_DTS_HD ((__u32) 0x00000400) 235 #define SND_AUDIOMODE_IEC_MLP ((__u32) 0x00000800) 236 #define SND_AUDIOMODE_IEC_DST ((__u32) 0x00001000) 237 #define SND_AUDIOMODE_IEC_WMAPRO ((__u32) 0x00002000) 238 #define SND_AUDIOMODE_IEC_REF_CXT ((__u32) 0x00004000) 239 #define SND_AUDIOMODE_IEC_HE_AAC ((__u32) 0x00008000) 240 #define SND_AUDIOMODE_IEC_HE_AAC2 ((__u32) 0x00010000) 241 #define SND_AUDIOMODE_IEC_MPEG_SURROUND ((__u32) 0x00020000) 242 243 #define SND_AUDIOPROFILE_G723_1 ((__u32) 0x00000001) 244 245 #define SND_AUDIOMODE_G723_1_ANNEX_A ((__u32) 0x00000001) 246 #define SND_AUDIOMODE_G723_1_ANNEX_B ((__u32) 0x00000002) 247 #define SND_AUDIOMODE_G723_1_ANNEX_C ((__u32) 0x00000004) 248 249 #define SND_AUDIOPROFILE_G729 ((__u32) 0x00000001) 250 251 #define SND_AUDIOMODE_G729_ANNEX_A ((__u32) 0x00000001) 252 #define SND_AUDIOMODE_G729_ANNEX_B ((__u32) 0x00000002) 253 254 /* <FIXME: multichannel encoders aren't supported for now. Would need 255 an additional definition of channel arrangement> */ 256 257 /* VBR/CBR definitions */ 258 #define SND_RATECONTROLMODE_CONSTANTBITRATE ((__u32) 0x00000001) 259 #define SND_RATECONTROLMODE_VARIABLEBITRATE ((__u32) 0x00000002) 260 261 /* Encoder options */ 262 263 struct snd_enc_wma { 264 __u32 super_block_align; /* WMA Type-specific data */ 265 __u32 bits_per_sample; 266 __u32 channelmask; 267 __u32 encodeopt; 268 __u32 encodeopt1; 269 __u32 encodeopt2; 270 __u32 avg_bit_rate; 271 }; 272 273 274 /** 275 * struct snd_enc_vorbis 276 * @quality: Sets encoding quality to n, between -1 (low) and 10 (high). 277 * In the default mode of operation, the quality level is 3. 278 * Normal quality range is 0 - 10. 279 * @managed: Boolean. Set bitrate management mode. This turns off the 280 * normal VBR encoding, but allows hard or soft bitrate constraints to be 281 * enforced by the encoder. This mode can be slower, and may also be 282 * lower quality. It is primarily useful for streaming. 283 * @max_bit_rate: Enabled only if managed is TRUE 284 * @min_bit_rate: Enabled only if managed is TRUE 285 * @downmix: Boolean. Downmix input from stereo to mono (has no effect on 286 * non-stereo streams). Useful for lower-bitrate encoding. 287 * 288 * These options were extracted from the OpenMAX IL spec and Gstreamer vorbisenc 289 * properties 290 * 291 * For best quality users should specify VBR mode and set quality levels. 292 */ 293 294 struct snd_enc_vorbis { 295 __s32 quality; 296 __u32 managed; 297 __u32 max_bit_rate; 298 __u32 min_bit_rate; 299 __u32 downmix; 300 } __attribute__((packed, aligned(4))); 301 302 303 /** 304 * struct snd_enc_real 305 * @quant_bits: number of coupling quantization bits in the stream 306 * @start_region: coupling start region in the stream 307 * @num_regions: number of regions value 308 * 309 * These options were extracted from the OpenMAX IL spec 310 */ 311 312 struct snd_enc_real { 313 __u32 quant_bits; 314 __u32 start_region; 315 __u32 num_regions; 316 } __attribute__((packed, aligned(4))); 317 318 /** 319 * struct snd_enc_flac 320 * @num: serial number, valid only for OGG formats 321 * needs to be set by application 322 * @gain: Add replay gain tags 323 * 324 * These options were extracted from the FLAC online documentation 325 * at http://flac.sourceforge.net/documentation_tools_flac.html 326 * 327 * To make the API simpler, it is assumed that the user will select quality 328 * profiles. Additional options that affect encoding quality and speed can 329 * be added at a later stage if needed. 330 * 331 * By default the Subset format is used by encoders. 332 * 333 * TAGS such as pictures, etc, cannot be handled by an offloaded encoder and are 334 * not supported in this API. 335 */ 336 337 struct snd_enc_flac { 338 __u32 num; 339 __u32 gain; 340 } __attribute__((packed, aligned(4))); 341 342 struct snd_enc_generic { 343 __u32 bw; /* encoder bandwidth */ 344 __s32 reserved[15]; 345 } __attribute__((packed, aligned(4))); 346 347 struct snd_dec_ddp { 348 __u32 params_length; 349 __u32 params_id[SND_DEC_DDP_MAX_PARAMS]; 350 __u32 params_value[SND_DEC_DDP_MAX_PARAMS]; 351 } __attribute__((packed, aligned(4))); 352 353 struct snd_dec_flac { 354 __u16 sample_size; 355 __u16 min_blk_size; 356 __u16 max_blk_size; 357 __u16 min_frame_size; 358 __u16 max_frame_size; 359 } __attribute__((packed, aligned(4))); 360 361 struct snd_dec_vorbis { 362 __u32 bit_stream_fmt; 363 }; 364 365 struct snd_dec_alac { 366 __u32 frame_length; 367 __u8 compatible_version; 368 __u8 bit_depth; 369 __u8 pb; 370 __u8 mb; 371 __u8 kb; 372 __u8 num_channels; 373 __u16 max_run; 374 __u32 max_frame_bytes; 375 __u32 avg_bit_rate; 376 __u32 sample_rate; 377 __u32 channel_layout_tag; 378 }; 379 380 struct snd_dec_ape { 381 __u16 compatible_version; 382 __u16 compression_level; 383 __u32 format_flags; 384 __u32 blocks_per_frame; 385 __u32 final_frame_blocks; 386 __u32 total_frames; 387 __u16 bits_per_sample; 388 __u16 num_channels; 389 __u32 sample_rate; 390 __u32 seek_table_present; 391 }; 392 393 union snd_codec_options { 394 struct snd_enc_wma wma; 395 struct snd_enc_vorbis vorbis; 396 struct snd_enc_real real; 397 struct snd_enc_flac flac; 398 struct snd_enc_generic generic; 399 struct snd_dec_ddp ddp; 400 struct snd_dec_flac flac_dec; 401 struct snd_dec_vorbis vorbis_dec; 402 struct snd_dec_alac alac; 403 struct snd_dec_ape ape; 404 } __attribute__((packed, aligned(4))); 405 406 /** struct snd_codec_desc - description of codec capabilities 407 * @max_ch: Maximum number of audio channels 408 * @sample_rates: Sampling rates in Hz, use values like 48000 for this 409 * @num_sample_rates: Number of valid values in sample_rates array 410 * @bit_rate: Indexed array containing supported bit rates 411 * @num_bitrates: Number of valid values in bit_rate array 412 * @rate_control: value is specified by SND_RATECONTROLMODE defines. 413 * @profiles: Supported profiles. See SND_AUDIOPROFILE defines. 414 * @modes: Supported modes. See SND_AUDIOMODE defines 415 * @formats: Supported formats. See SND_AUDIOSTREAMFORMAT defines 416 * @min_buffer: Minimum buffer size handled by codec implementation 417 * @reserved: reserved for future use 418 * 419 * This structure provides a scalar value for profiles, modes and stream 420 * format fields. 421 * If an implementation supports multiple combinations, they will be listed as 422 * codecs with different descriptors, for example there would be 2 descriptors 423 * for AAC-RAW and AAC-ADTS. 424 * This entails some redundancy but makes it easier to avoid invalid 425 * configurations. 426 * 427 */ 428 429 struct snd_codec_desc { 430 __u32 max_ch; 431 __u32 sample_rates[MAX_NUM_SAMPLE_RATES]; 432 __u32 num_sample_rates; 433 __u32 bit_rate[MAX_NUM_BITRATES]; 434 __u32 num_bitrates; 435 __u32 rate_control; 436 __u32 profiles; 437 __u32 modes; 438 __u32 formats; 439 __u32 min_buffer; 440 __u32 reserved[15]; 441 } __attribute__((packed, aligned(4))); 442 443 /** struct snd_codec 444 * @id: Identifies the supported audio encoder/decoder. 445 * See SND_AUDIOCODEC macros. 446 * @ch_in: Number of input audio channels 447 * @ch_out: Number of output channels. In case of contradiction between 448 * this field and the channelMode field, the channelMode field 449 * overrides. 450 * @sample_rate: Audio sample rate of input data in Hz, use values like 48000 451 * for this. 452 * @bit_rate: Bitrate of encoded data. May be ignored by decoders 453 * @rate_control: Encoding rate control. See SND_RATECONTROLMODE defines. 454 * Encoders may rely on profiles for quality levels. 455 * May be ignored by decoders. 456 * @profile: Mandatory for encoders, can be mandatory for specific 457 * decoders as well. See SND_AUDIOPROFILE defines. 458 * @level: Supported level (Only used by WMA at the moment) 459 * @ch_mode: Channel mode for encoder. See SND_AUDIOCHANMODE defines 460 * @format: Format of encoded bistream. Mandatory when defined. 461 * See SND_AUDIOSTREAMFORMAT defines. 462 * @align: Block alignment in bytes of an audio sample. 463 * Only required for PCM or IEC formats. 464 * @options: encoder-specific settings 465 * @reserved: reserved for future use 466 */ 467 468 struct snd_codec { 469 __u32 id; 470 __u32 ch_in; 471 __u32 ch_out; 472 __u32 sample_rate; 473 __u32 bit_rate; 474 __u32 rate_control; 475 __u32 profile; 476 __u32 level; 477 __u32 ch_mode; 478 __u32 format; 479 __u32 align; 480 __u32 compr_passthr; 481 union snd_codec_options options; 482 __u32 reserved[3]; 483 } __attribute__((packed, aligned(4))); 484 //HTC_AUD_START 485 struct dsp_effect_param { 486 uint32_t effect_type; /* 0 for POPP, 1 for COPP */ 487 uint32_t module_id; 488 uint32_t param_id; 489 uint32_t payload_size; 490 }; 491 //HTC_AUD_END 492 #endif 493
