compress_params.h

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/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) AND MIT) */
/*
 *  compress_params.h - codec types and parameters for compressed data
 *  streaming interface
 *
 *  Copyright (C) 2011 Intel Corporation
 *  Authors:    Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
 *              Vinod Koul <vinod.koul@linux.intel.com>
 *
 *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; version 2 of the License.
 *
 *  This program is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 * The definitions in this file are derived from the OpenMAX AL version 1.1
 * and OpenMAX IL v 1.1.2 header files which contain the copyright notice below.
 *
 * Copyright (c) 2007-2010 The Khronos Group Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and/or associated documentation files (the
 * "Materials "), to deal in the Materials without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Materials, and to
 * permit persons to whom the Materials are furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Materials.
 *
 * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
 *
 */
#ifndef __SND_COMPRESS_PARAMS_H
#define __SND_COMPRESS_PARAMS_H
 
#include <stdint.h>
 
/* AUDIO CODECS SUPPORTED */
#define MAX_NUM_CODECS 32
#define MAX_NUM_CODEC_DESCRIPTORS 32
#define MAX_NUM_BITRATES 32
#define MAX_NUM_SAMPLE_RATES 32
 
/* Codecs are listed linearly to allow for extensibility */
#define SND_AUDIOCODEC_PCM                   ((uint32_t) 0x00000001)
#define SND_AUDIOCODEC_MP3                   ((uint32_t) 0x00000002)
#define SND_AUDIOCODEC_AMR                   ((uint32_t) 0x00000003)
#define SND_AUDIOCODEC_AMRWB                 ((uint32_t) 0x00000004)
#define SND_AUDIOCODEC_AMRWBPLUS             ((uint32_t) 0x00000005)
#define SND_AUDIOCODEC_AAC                   ((uint32_t) 0x00000006)
#define SND_AUDIOCODEC_WMA                   ((uint32_t) 0x00000007)
#define SND_AUDIOCODEC_REAL                  ((uint32_t) 0x00000008)
#define SND_AUDIOCODEC_VORBIS                ((uint32_t) 0x00000009)
#define SND_AUDIOCODEC_FLAC                  ((uint32_t) 0x0000000A)
#define SND_AUDIOCODEC_IEC61937              ((uint32_t) 0x0000000B)
#define SND_AUDIOCODEC_G723_1                ((uint32_t) 0x0000000C)
#define SND_AUDIOCODEC_G729                  ((uint32_t) 0x0000000D)
#define SND_AUDIOCODEC_BESPOKE               ((uint32_t) 0x0000000E)
#define SND_AUDIOCODEC_ALAC                  ((uint32_t) 0x0000000F)
#define SND_AUDIOCODEC_APE                   ((uint32_t) 0x00000010)
#define SND_AUDIOCODEC_MAX                   SND_AUDIOCODEC_APE
 
/*
 * Profile and modes are listed with bit masks. This allows for a
 * more compact representation of fields that will not evolve
 * (in contrast to the list of codecs)
 */
 
#define SND_AUDIOPROFILE_PCM                 ((uint32_t) 0x00000001)
 
/* MP3 modes are only useful for encoders */
#define SND_AUDIOCHANMODE_MP3_MONO           ((uint32_t) 0x00000001)
#define SND_AUDIOCHANMODE_MP3_STEREO         ((uint32_t) 0x00000002)
#define SND_AUDIOCHANMODE_MP3_JOINTSTEREO    ((uint32_t) 0x00000004)
#define SND_AUDIOCHANMODE_MP3_DUAL           ((uint32_t) 0x00000008)
 
#define SND_AUDIOPROFILE_AMR                 ((uint32_t) 0x00000001)
 
/* AMR modes are only useful for encoders */
#define SND_AUDIOMODE_AMR_DTX_OFF            ((uint32_t) 0x00000001)
#define SND_AUDIOMODE_AMR_VAD1               ((uint32_t) 0x00000002)
#define SND_AUDIOMODE_AMR_VAD2               ((uint32_t) 0x00000004)
 
#define SND_AUDIOSTREAMFORMAT_UNDEFINED      ((uint32_t) 0x00000000)
#define SND_AUDIOSTREAMFORMAT_CONFORMANCE    ((uint32_t) 0x00000001)
#define SND_AUDIOSTREAMFORMAT_IF1            ((uint32_t) 0x00000002)
#define SND_AUDIOSTREAMFORMAT_IF2            ((uint32_t) 0x00000004)
#define SND_AUDIOSTREAMFORMAT_FSF            ((uint32_t) 0x00000008)
#define SND_AUDIOSTREAMFORMAT_RTPPAYLOAD     ((uint32_t) 0x00000010)
#define SND_AUDIOSTREAMFORMAT_ITU            ((uint32_t) 0x00000020)
 
#define SND_AUDIOPROFILE_AMRWB               ((uint32_t) 0x00000001)
 
/* AMRWB modes are only useful for encoders */
#define SND_AUDIOMODE_AMRWB_DTX_OFF          ((uint32_t) 0x00000001)
#define SND_AUDIOMODE_AMRWB_VAD1             ((uint32_t) 0x00000002)
#define SND_AUDIOMODE_AMRWB_VAD2             ((uint32_t) 0x00000004)
 
#define SND_AUDIOPROFILE_AMRWBPLUS           ((uint32_t) 0x00000001)
 
#define SND_AUDIOPROFILE_AAC                 ((uint32_t) 0x00000001)
 
/* AAC modes are required for encoders and decoders */
#define SND_AUDIOMODE_AAC_MAIN               ((uint32_t) 0x00000001)
#define SND_AUDIOMODE_AAC_LC                 ((uint32_t) 0x00000002)
#define SND_AUDIOMODE_AAC_SSR                ((uint32_t) 0x00000004)
#define SND_AUDIOMODE_AAC_LTP                ((uint32_t) 0x00000008)
#define SND_AUDIOMODE_AAC_HE                 ((uint32_t) 0x00000010)
#define SND_AUDIOMODE_AAC_SCALABLE           ((uint32_t) 0x00000020)
#define SND_AUDIOMODE_AAC_ERLC               ((uint32_t) 0x00000040)
#define SND_AUDIOMODE_AAC_LD                 ((uint32_t) 0x00000080)
#define SND_AUDIOMODE_AAC_HE_PS              ((uint32_t) 0x00000100)
#define SND_AUDIOMODE_AAC_HE_MPS             ((uint32_t) 0x00000200)
 
/* AAC formats are required for encoders and decoders */
#define SND_AUDIOSTREAMFORMAT_MP2ADTS        ((uint32_t) 0x00000001)
#define SND_AUDIOSTREAMFORMAT_MP4ADTS        ((uint32_t) 0x00000002)
#define SND_AUDIOSTREAMFORMAT_MP4LOAS        ((uint32_t) 0x00000004)
#define SND_AUDIOSTREAMFORMAT_MP4LATM        ((uint32_t) 0x00000008)
#define SND_AUDIOSTREAMFORMAT_ADIF           ((uint32_t) 0x00000010)
#define SND_AUDIOSTREAMFORMAT_MP4FF          ((uint32_t) 0x00000020)
#define SND_AUDIOSTREAMFORMAT_RAW            ((uint32_t) 0x00000040)
 
#define SND_AUDIOPROFILE_WMA7                ((uint32_t) 0x00000001)
#define SND_AUDIOPROFILE_WMA8                ((uint32_t) 0x00000002)
#define SND_AUDIOPROFILE_WMA9                ((uint32_t) 0x00000004)
#define SND_AUDIOPROFILE_WMA10               ((uint32_t) 0x00000008)
#define SND_AUDIOPROFILE_WMA9_PRO            ((uint32_t) 0x00000010)
#define SND_AUDIOPROFILE_WMA9_LOSSLESS       ((uint32_t) 0x00000020)
#define SND_AUDIOPROFILE_WMA10_LOSSLESS      ((uint32_t) 0x00000040)
 
#define SND_AUDIOMODE_WMA_LEVEL1             ((uint32_t) 0x00000001)
#define SND_AUDIOMODE_WMA_LEVEL2             ((uint32_t) 0x00000002)
#define SND_AUDIOMODE_WMA_LEVEL3             ((uint32_t) 0x00000004)
#define SND_AUDIOMODE_WMA_LEVEL4             ((uint32_t) 0x00000008)
#define SND_AUDIOMODE_WMAPRO_LEVELM0         ((uint32_t) 0x00000010)
#define SND_AUDIOMODE_WMAPRO_LEVELM1         ((uint32_t) 0x00000020)
#define SND_AUDIOMODE_WMAPRO_LEVELM2         ((uint32_t) 0x00000040)
#define SND_AUDIOMODE_WMAPRO_LEVELM3         ((uint32_t) 0x00000080)
 
#define SND_AUDIOSTREAMFORMAT_WMA_ASF        ((uint32_t) 0x00000001)
/*
 * Some implementations strip the ASF header and only send ASF packets
 * to the DSP
 */
#define SND_AUDIOSTREAMFORMAT_WMA_NOASF_HDR  ((uint32_t) 0x00000002)
 
#define SND_AUDIOPROFILE_REALAUDIO           ((uint32_t) 0x00000001)
 
#define SND_AUDIOMODE_REALAUDIO_G2           ((uint32_t) 0x00000001)
#define SND_AUDIOMODE_REALAUDIO_8            ((uint32_t) 0x00000002)
#define SND_AUDIOMODE_REALAUDIO_10           ((uint32_t) 0x00000004)
#define SND_AUDIOMODE_REALAUDIO_SURROUND     ((uint32_t) 0x00000008)
 
#define SND_AUDIOPROFILE_VORBIS              ((uint32_t) 0x00000001)
 
#define SND_AUDIOMODE_VORBIS                 ((uint32_t) 0x00000001)
 
#define SND_AUDIOPROFILE_FLAC                ((uint32_t) 0x00000001)
 
/*
 * Define quality levels for FLAC encoders, from LEVEL0 (fast)
 * to LEVEL8 (best)
 */
#define SND_AUDIOMODE_FLAC_LEVEL0            ((uint32_t) 0x00000001)
#define SND_AUDIOMODE_FLAC_LEVEL1            ((uint32_t) 0x00000002)
#define SND_AUDIOMODE_FLAC_LEVEL2            ((uint32_t) 0x00000004)
#define SND_AUDIOMODE_FLAC_LEVEL3            ((uint32_t) 0x00000008)
#define SND_AUDIOMODE_FLAC_LEVEL4            ((uint32_t) 0x00000010)
#define SND_AUDIOMODE_FLAC_LEVEL5            ((uint32_t) 0x00000020)
#define SND_AUDIOMODE_FLAC_LEVEL6            ((uint32_t) 0x00000040)
#define SND_AUDIOMODE_FLAC_LEVEL7            ((uint32_t) 0x00000080)
#define SND_AUDIOMODE_FLAC_LEVEL8            ((uint32_t) 0x00000100)
 
#define SND_AUDIOSTREAMFORMAT_FLAC           ((uint32_t) 0x00000001)
#define SND_AUDIOSTREAMFORMAT_FLAC_OGG       ((uint32_t) 0x00000002)
 
/* IEC61937 payloads without CUVP and preambles */
#define SND_AUDIOPROFILE_IEC61937            ((uint32_t) 0x00000001)
/* IEC61937 with S/PDIF preambles+CUVP bits in 32-bit containers */
#define SND_AUDIOPROFILE_IEC61937_SPDIF      ((uint32_t) 0x00000002)
 
/*
 * IEC modes are mandatory for decoders. Format autodetection
 * will only happen on the DSP side with mode 0. The PCM mode should
 * not be used, the PCM codec should be used instead.
 */
#define SND_AUDIOMODE_IEC_REF_STREAM_HEADER  ((uint32_t) 0x00000000)
#define SND_AUDIOMODE_IEC_LPCM           ((uint32_t) 0x00000001)
#define SND_AUDIOMODE_IEC_AC3            ((uint32_t) 0x00000002)
#define SND_AUDIOMODE_IEC_MPEG1          ((uint32_t) 0x00000004)
#define SND_AUDIOMODE_IEC_MP3            ((uint32_t) 0x00000008)
#define SND_AUDIOMODE_IEC_MPEG2          ((uint32_t) 0x00000010)
#define SND_AUDIOMODE_IEC_AACLC          ((uint32_t) 0x00000020)
#define SND_AUDIOMODE_IEC_DTS            ((uint32_t) 0x00000040)
#define SND_AUDIOMODE_IEC_ATRAC          ((uint32_t) 0x00000080)
#define SND_AUDIOMODE_IEC_SACD           ((uint32_t) 0x00000100)
#define SND_AUDIOMODE_IEC_EAC3           ((uint32_t) 0x00000200)
#define SND_AUDIOMODE_IEC_DTS_HD         ((uint32_t) 0x00000400)
#define SND_AUDIOMODE_IEC_MLP            ((uint32_t) 0x00000800)
#define SND_AUDIOMODE_IEC_DST            ((uint32_t) 0x00001000)
#define SND_AUDIOMODE_IEC_WMAPRO         ((uint32_t) 0x00002000)
#define SND_AUDIOMODE_IEC_REF_CXT            ((uint32_t) 0x00004000)
#define SND_AUDIOMODE_IEC_HE_AAC         ((uint32_t) 0x00008000)
#define SND_AUDIOMODE_IEC_HE_AAC2        ((uint32_t) 0x00010000)
#define SND_AUDIOMODE_IEC_MPEG_SURROUND      ((uint32_t) 0x00020000)
 
#define SND_AUDIOPROFILE_G723_1              ((uint32_t) 0x00000001)
 
#define SND_AUDIOMODE_G723_1_ANNEX_A         ((uint32_t) 0x00000001)
#define SND_AUDIOMODE_G723_1_ANNEX_B         ((uint32_t) 0x00000002)
#define SND_AUDIOMODE_G723_1_ANNEX_C         ((uint32_t) 0x00000004)
 
#define SND_AUDIOPROFILE_G729                ((uint32_t) 0x00000001)
 
#define SND_AUDIOMODE_G729_ANNEX_A           ((uint32_t) 0x00000001)
#define SND_AUDIOMODE_G729_ANNEX_B           ((uint32_t) 0x00000002)
 
/* <FIXME: multichannel encoders aren't supported for now. Would need
   an additional definition of channel arrangement> */
 
/* VBR/CBR definitions */
#define SND_RATECONTROLMODE_CONSTANTBITRATE  ((uint32_t) 0x00000001)
#define SND_RATECONTROLMODE_VARIABLEBITRATE  ((uint32_t) 0x00000002)
 
/* Encoder options */
 
struct snd_enc_wma {
    uint32_t super_block_align; /* WMA Type-specific data */
};
 

 
struct snd_enc_vorbis {
    int32_t quality;
    uint32_t managed;
    uint32_t max_bit_rate;
    uint32_t min_bit_rate;
    uint32_t downmix;
} __attribute__((packed, aligned(4)));
 

 
struct snd_enc_real {
    uint32_t quant_bits;
    uint32_t start_region;
    uint32_t num_regions;
} __attribute__((packed, aligned(4)));

 
struct snd_enc_flac {
    uint32_t num;
    uint32_t gain;
} __attribute__((packed, aligned(4)));
 
struct snd_enc_generic {
    uint32_t bw;    /* encoder bandwidth */
    int32_t reserved[15];   /* Can be used for SND_AUDIOCODEC_BESPOKE */
} __attribute__((packed, aligned(4)));
 
struct snd_dec_flac {
    uint16_t sample_size;
    uint16_t min_blk_size;
    uint16_t max_blk_size;
    uint16_t min_frame_size;
    uint16_t max_frame_size;
    uint16_t reserved;
} __attribute__((packed, aligned(4)));
 
struct snd_dec_wma {
    uint32_t encoder_option;
    uint32_t adv_encoder_option;
    uint32_t adv_encoder_option2;
    uint32_t reserved;
} __attribute__((packed, aligned(4)));
 
struct snd_dec_alac {
    uint32_t frame_length;
    uint8_t compatible_version;
    uint8_t pb;
    uint8_t mb;
    uint8_t kb;
    uint32_t max_run;
    uint32_t max_frame_bytes;
} __attribute__((packed, aligned(4)));
 
struct snd_dec_ape {
    uint16_t compatible_version;
    uint16_t compression_level;
    uint32_t format_flags;
    uint32_t blocks_per_frame;
    uint32_t final_frame_blocks;
    uint32_t total_frames;
    uint32_t seek_table_present;
} __attribute__((packed, aligned(4)));
 
union snd_codec_options {
    struct snd_enc_wma wma;
    struct snd_enc_vorbis vorbis;
    struct snd_enc_real real;
    struct snd_enc_flac flac;
    struct snd_enc_generic generic;
    struct snd_dec_flac flac_d;
    struct snd_dec_wma wma_d;
    struct snd_dec_alac alac_d;
    struct snd_dec_ape ape_d;
} __attribute__((packed, aligned(4)));

 
struct snd_codec_desc {
    uint32_t max_ch;
    uint32_t sample_rates[MAX_NUM_SAMPLE_RATES];
    uint32_t num_sample_rates;
    uint32_t bit_rate[MAX_NUM_BITRATES];
    uint32_t num_bitrates;
    uint32_t rate_control;
    uint32_t profiles;
    uint32_t modes;
    uint32_t formats;
    uint32_t min_buffer;
    uint32_t reserved[15];
} __attribute__((packed, aligned(4)));

struct snd_codec {
    uint32_t id;
    uint32_t ch_in;
    uint32_t ch_out;
    uint32_t sample_rate;
    uint32_t bit_rate;
    uint32_t rate_control;
    uint32_t profile;
    uint32_t level;
    uint32_t ch_mode;
    uint32_t format;
    uint32_t align;
    union snd_codec_options options;
    uint32_t reserved[3];
} __attribute__((packed, aligned(4)));
 
#endif