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/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) AND MIT) */

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* compress_params.h - codec types and parameters for compressed data

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* streaming interface

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* Authors: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

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* Vinod Koul <vinod.koul@linux.intel.com>

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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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* The definitions in this file are derived from the OpenMAX AL version 1.1

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* and OpenMAX IL v 1.1.2 header files which contain the copyright notice below

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* and are licensed under the MIT license.

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#ifndef __SND_COMPRESS_PARAMS_H

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#define __SND_COMPRESS_PARAMS_H

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#include <linux/types.h>

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/* AUDIO CODECS SUPPORTED */

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#define MAX_NUM_CODECS 32

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#define MAX_NUM_CODEC_DESCRIPTORS 32

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#define MAX_NUM_BITRATES 32

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#define MAX_NUM_SAMPLE_RATES 32

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/* Codecs are listed linearly to allow for extensibility */

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#define SND_AUDIOCODEC_PCM ((__u32) 0x00000001)

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#define SND_AUDIOCODEC_MP3 ((__u32) 0x00000002)

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#define SND_AUDIOCODEC_AMR ((__u32) 0x00000003)

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#define SND_AUDIOCODEC_AMRWB ((__u32) 0x00000004)

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#define SND_AUDIOCODEC_AMRWBPLUS ((__u32) 0x00000005)

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#define SND_AUDIOCODEC_AAC ((__u32) 0x00000006)

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#define SND_AUDIOCODEC_WMA ((__u32) 0x00000007)

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#define SND_AUDIOCODEC_REAL ((__u32) 0x00000008)

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#define SND_AUDIOCODEC_VORBIS ((__u32) 0x00000009)

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#define SND_AUDIOCODEC_FLAC ((__u32) 0x0000000A)

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#define SND_AUDIOCODEC_IEC61937 ((__u32) 0x0000000B)

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#define SND_AUDIOCODEC_G723_1 ((__u32) 0x0000000C)

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#define SND_AUDIOCODEC_G729 ((__u32) 0x0000000D)

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#define SND_AUDIOCODEC_BESPOKE ((__u32) 0x0000000E)

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#define SND_AUDIOCODEC_ALAC ((__u32) 0x0000000F)

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#define SND_AUDIOCODEC_APE ((__u32) 0x00000010)

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#define SND_AUDIOCODEC_MAX SND_AUDIOCODEC_APE

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* Profile and modes are listed with bit masks. This allows for a

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* more compact representation of fields that will not evolve

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* (in contrast to the list of codecs)

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#define SND_AUDIOPROFILE_PCM ((__u32) 0x00000001)

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/* MP3 modes are only useful for encoders */

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#define SND_AUDIOCHANMODE_MP3_MONO ((__u32) 0x00000001)

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#define SND_AUDIOCHANMODE_MP3_STEREO ((__u32) 0x00000002)

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#define SND_AUDIOCHANMODE_MP3_JOINTSTEREO ((__u32) 0x00000004)

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#define SND_AUDIOCHANMODE_MP3_DUAL ((__u32) 0x00000008)

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#define SND_AUDIOPROFILE_AMR ((__u32) 0x00000001)

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/* AMR modes are only useful for encoders */

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#define SND_AUDIOMODE_AMR_DTX_OFF ((__u32) 0x00000001)

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#define SND_AUDIOMODE_AMR_VAD1 ((__u32) 0x00000002)

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#define SND_AUDIOMODE_AMR_VAD2 ((__u32) 0x00000004)

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#define SND_AUDIOSTREAMFORMAT_UNDEFINED ((__u32) 0x00000000)

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#define SND_AUDIOSTREAMFORMAT_CONFORMANCE ((__u32) 0x00000001)

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#define SND_AUDIOSTREAMFORMAT_IF1 ((__u32) 0x00000002)

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#define SND_AUDIOSTREAMFORMAT_IF2 ((__u32) 0x00000004)

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#define SND_AUDIOSTREAMFORMAT_FSF ((__u32) 0x00000008)

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#define SND_AUDIOSTREAMFORMAT_RTPPAYLOAD ((__u32) 0x00000010)

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#define SND_AUDIOSTREAMFORMAT_ITU ((__u32) 0x00000020)

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#define SND_AUDIOPROFILE_AMRWB ((__u32) 0x00000001)

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/* AMRWB modes are only useful for encoders */

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#define SND_AUDIOMODE_AMRWB_DTX_OFF ((__u32) 0x00000001)

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#define SND_AUDIOMODE_AMRWB_VAD1 ((__u32) 0x00000002)

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#define SND_AUDIOMODE_AMRWB_VAD2 ((__u32) 0x00000004)

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#define SND_AUDIOPROFILE_AMRWBPLUS ((__u32) 0x00000001)

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#define SND_AUDIOPROFILE_AAC ((__u32) 0x00000001)

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/* AAC modes are required for encoders and decoders */

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#define SND_AUDIOMODE_AAC_MAIN ((__u32) 0x00000001)

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#define SND_AUDIOMODE_AAC_LC ((__u32) 0x00000002)

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#define SND_AUDIOMODE_AAC_SSR ((__u32) 0x00000004)

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#define SND_AUDIOMODE_AAC_LTP ((__u32) 0x00000008)

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#define SND_AUDIOMODE_AAC_HE ((__u32) 0x00000010)

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#define SND_AUDIOMODE_AAC_SCALABLE ((__u32) 0x00000020)

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#define SND_AUDIOMODE_AAC_ERLC ((__u32) 0x00000040)

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#define SND_AUDIOMODE_AAC_LD ((__u32) 0x00000080)

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#define SND_AUDIOMODE_AAC_HE_PS ((__u32) 0x00000100)

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#define SND_AUDIOMODE_AAC_HE_MPS ((__u32) 0x00000200)

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/* AAC formats are required for encoders and decoders */

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#define SND_AUDIOSTREAMFORMAT_MP2ADTS ((__u32) 0x00000001)

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#define SND_AUDIOSTREAMFORMAT_MP4ADTS ((__u32) 0x00000002)

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#define SND_AUDIOSTREAMFORMAT_MP4LOAS ((__u32) 0x00000004)

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#define SND_AUDIOSTREAMFORMAT_MP4LATM ((__u32) 0x00000008)

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#define SND_AUDIOSTREAMFORMAT_ADIF ((__u32) 0x00000010)

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#define SND_AUDIOSTREAMFORMAT_MP4FF ((__u32) 0x00000020)

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#define SND_AUDIOSTREAMFORMAT_RAW ((__u32) 0x00000040)

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#define SND_AUDIOPROFILE_WMA7 ((__u32) 0x00000001)

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#define SND_AUDIOPROFILE_WMA8 ((__u32) 0x00000002)

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#define SND_AUDIOPROFILE_WMA9 ((__u32) 0x00000004)

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#define SND_AUDIOPROFILE_WMA10 ((__u32) 0x00000008)

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#define SND_AUDIOPROFILE_WMA9_PRO ((__u32) 0x00000010)

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#define SND_AUDIOPROFILE_WMA9_LOSSLESS ((__u32) 0x00000020)

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#define SND_AUDIOPROFILE_WMA10_LOSSLESS ((__u32) 0x00000040)

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#define SND_AUDIOMODE_WMA_LEVEL1 ((__u32) 0x00000001)

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#define SND_AUDIOMODE_WMA_LEVEL2 ((__u32) 0x00000002)

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#define SND_AUDIOMODE_WMA_LEVEL3 ((__u32) 0x00000004)

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#define SND_AUDIOMODE_WMA_LEVEL4 ((__u32) 0x00000008)

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#define SND_AUDIOMODE_WMAPRO_LEVELM0 ((__u32) 0x00000010)

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#define SND_AUDIOMODE_WMAPRO_LEVELM1 ((__u32) 0x00000020)

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#define SND_AUDIOMODE_WMAPRO_LEVELM2 ((__u32) 0x00000040)

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#define SND_AUDIOMODE_WMAPRO_LEVELM3 ((__u32) 0x00000080)

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#define SND_AUDIOSTREAMFORMAT_WMA_ASF ((__u32) 0x00000001)

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* Some implementations strip the ASF header and only send ASF packets

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* to the DSP

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#define SND_AUDIOSTREAMFORMAT_WMA_NOASF_HDR ((__u32) 0x00000002)

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#define SND_AUDIOPROFILE_REALAUDIO ((__u32) 0x00000001)

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#define SND_AUDIOMODE_REALAUDIO_G2 ((__u32) 0x00000001)

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#define SND_AUDIOMODE_REALAUDIO_8 ((__u32) 0x00000002)

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#define SND_AUDIOMODE_REALAUDIO_10 ((__u32) 0x00000004)

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#define SND_AUDIOMODE_REALAUDIO_SURROUND ((__u32) 0x00000008)

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#define SND_AUDIOPROFILE_VORBIS ((__u32) 0x00000001)

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#define SND_AUDIOMODE_VORBIS ((__u32) 0x00000001)

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#define SND_AUDIOPROFILE_FLAC ((__u32) 0x00000001)

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* Define quality levels for FLAC encoders, from LEVEL0 (fast)

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* to LEVEL8 (best)

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#define SND_AUDIOMODE_FLAC_LEVEL0 ((__u32) 0x00000001)

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#define SND_AUDIOMODE_FLAC_LEVEL1 ((__u32) 0x00000002)

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#define SND_AUDIOMODE_FLAC_LEVEL2 ((__u32) 0x00000004)

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#define SND_AUDIOMODE_FLAC_LEVEL3 ((__u32) 0x00000008)

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#define SND_AUDIOMODE_FLAC_LEVEL4 ((__u32) 0x00000010)

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#define SND_AUDIOMODE_FLAC_LEVEL5 ((__u32) 0x00000020)

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#define SND_AUDIOMODE_FLAC_LEVEL6 ((__u32) 0x00000040)

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#define SND_AUDIOMODE_FLAC_LEVEL7 ((__u32) 0x00000080)

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#define SND_AUDIOMODE_FLAC_LEVEL8 ((__u32) 0x00000100)

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#define SND_AUDIOSTREAMFORMAT_FLAC ((__u32) 0x00000001)

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#define SND_AUDIOSTREAMFORMAT_FLAC_OGG ((__u32) 0x00000002)

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/* IEC61937 payloads without CUVP and preambles */

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#define SND_AUDIOPROFILE_IEC61937 ((__u32) 0x00000001)

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/* IEC61937 with S/PDIF preambles+CUVP bits in 32-bit containers */

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#define SND_AUDIOPROFILE_IEC61937_SPDIF ((__u32) 0x00000002)

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* IEC modes are mandatory for decoders. Format autodetection

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* will only happen on the DSP side with mode 0. The PCM mode should

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* not be used, the PCM codec should be used instead.

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#define SND_AUDIOMODE_IEC_REF_STREAM_HEADER ((__u32) 0x00000000)

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#define SND_AUDIOMODE_IEC_LPCM ((__u32) 0x00000001)

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#define SND_AUDIOMODE_IEC_AC3 ((__u32) 0x00000002)

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#define SND_AUDIOMODE_IEC_MPEG1 ((__u32) 0x00000004)

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#define SND_AUDIOMODE_IEC_MP3 ((__u32) 0x00000008)

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#define SND_AUDIOMODE_IEC_MPEG2 ((__u32) 0x00000010)

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#define SND_AUDIOMODE_IEC_AACLC ((__u32) 0x00000020)

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#define SND_AUDIOMODE_IEC_DTS ((__u32) 0x00000040)

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#define SND_AUDIOMODE_IEC_ATRAC ((__u32) 0x00000080)

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#define SND_AUDIOMODE_IEC_SACD ((__u32) 0x00000100)

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#define SND_AUDIOMODE_IEC_EAC3 ((__u32) 0x00000200)

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#define SND_AUDIOMODE_IEC_DTS_HD ((__u32) 0x00000400)

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#define SND_AUDIOMODE_IEC_MLP ((__u32) 0x00000800)

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#define SND_AUDIOMODE_IEC_DST ((__u32) 0x00001000)

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#define SND_AUDIOMODE_IEC_WMAPRO ((__u32) 0x00002000)

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#define SND_AUDIOMODE_IEC_REF_CXT ((__u32) 0x00004000)

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#define SND_AUDIOMODE_IEC_HE_AAC ((__u32) 0x00008000)

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#define SND_AUDIOMODE_IEC_HE_AAC2 ((__u32) 0x00010000)

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#define SND_AUDIOMODE_IEC_MPEG_SURROUND ((__u32) 0x00020000)

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#define SND_AUDIOPROFILE_G723_1 ((__u32) 0x00000001)

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#define SND_AUDIOMODE_G723_1_ANNEX_A ((__u32) 0x00000001)

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#define SND_AUDIOMODE_G723_1_ANNEX_B ((__u32) 0x00000002)

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#define SND_AUDIOMODE_G723_1_ANNEX_C ((__u32) 0x00000004)

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#define SND_AUDIOPROFILE_G729 ((__u32) 0x00000001)

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#define SND_AUDIOMODE_G729_ANNEX_A ((__u32) 0x00000001)

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#define SND_AUDIOMODE_G729_ANNEX_B ((__u32) 0x00000002)

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/* <FIXME: multichannel encoders aren't supported for now. Would need

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an additional definition of channel arrangement> */

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/* VBR/CBR definitions */

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#define SND_RATECONTROLMODE_CONSTANTBITRATE ((__u32) 0x00000001)

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#define SND_RATECONTROLMODE_VARIABLEBITRATE ((__u32) 0x00000002)

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/* Encoder options */

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struct snd_enc_wma {

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__u32 super_block_align; /* WMA Type-specific data */

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};

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/**

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* struct snd_enc_vorbis - Vorbis encoder parameters

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* @quality: Sets encoding quality to n, between -1 (low) and 10 (high).

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* In the default mode of operation, the quality level is 3.

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* Normal quality range is 0 - 10.

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* @managed: Boolean. Set bitrate management mode. This turns off the

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* normal VBR encoding, but allows hard or soft bitrate constraints to be

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* enforced by the encoder. This mode can be slower, and may also be

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* lower quality. It is primarily useful for streaming.

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* @max_bit_rate: Enabled only if managed is TRUE

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* @min_bit_rate: Enabled only if managed is TRUE

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* @downmix: Boolean. Downmix input from stereo to mono (has no effect on

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* non-stereo streams). Useful for lower-bitrate encoding.

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* These options were extracted from the OpenMAX IL spec and Gstreamer vorbisenc

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* properties

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* For best quality users should specify VBR mode and set quality levels.

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struct snd_enc_vorbis {

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__s32 quality;

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__u32 managed;

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__u32 max_bit_rate;

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__u32 min_bit_rate;

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__u32 downmix;

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} __attribute__((packed, aligned(4)));

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/**

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* struct snd_enc_real - RealAudio encoder parameters

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* @quant_bits: number of coupling quantization bits in the stream

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* @start_region: coupling start region in the stream

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* @num_regions: number of regions value

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* These options were extracted from the OpenMAX IL spec

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struct snd_enc_real {

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__u32 quant_bits;

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__u32 start_region;

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__u32 num_regions;

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} __attribute__((packed, aligned(4)));

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/**

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* struct snd_enc_flac - FLAC encoder parameters

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* @num: serial number, valid only for OGG formats

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* needs to be set by application

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* @gain: Add replay gain tags

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* These options were extracted from the FLAC online documentation

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* at http://flac.sourceforge.net/documentation_tools_flac.html

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* To make the API simpler, it is assumed that the user will select quality

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* profiles. Additional options that affect encoding quality and speed can

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* be added at a later stage if needed.

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* By default the Subset format is used by encoders.

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* TAGS such as pictures, etc, cannot be handled by an offloaded encoder and are

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* not supported in this API.

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struct snd_enc_flac {

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__u32 num;

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__u32 gain;

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} __attribute__((packed, aligned(4)));

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struct snd_enc_generic {

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__u32 bw; /* encoder bandwidth */

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__s32 reserved[15]; /* Can be used for SND_AUDIOCODEC_BESPOKE */

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} __attribute__((packed, aligned(4)));

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struct snd_dec_flac {

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__u16 sample_size;

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__u16 min_blk_size;

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__u16 max_blk_size;

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__u16 min_frame_size;

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__u16 max_frame_size;

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__u16 reserved;

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} __attribute__((packed, aligned(4)));

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struct snd_dec_wma {

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__u32 encoder_option;

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__u32 adv_encoder_option;

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__u32 adv_encoder_option2;

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__u32 reserved;

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} __attribute__((packed, aligned(4)));

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struct snd_dec_alac {

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__u32 frame_length;

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__u8 compatible_version;

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__u8 pb;

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__u8 mb;

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__u8 kb;

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__u32 max_run;

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__u32 max_frame_bytes;

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} __attribute__((packed, aligned(4)));

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struct snd_dec_ape {

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__u16 compatible_version;

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__u16 compression_level;

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__u32 format_flags;

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__u32 blocks_per_frame;

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__u32 final_frame_blocks;

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__u32 total_frames;

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__u32 seek_table_present;

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} __attribute__((packed, aligned(4)));

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union snd_codec_options {

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struct snd_enc_wma wma;

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struct snd_enc_vorbis vorbis;

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struct snd_enc_real real;

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struct snd_enc_flac flac;

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struct snd_enc_generic generic;

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struct snd_dec_flac flac_d;

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struct snd_dec_wma wma_d;

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struct snd_dec_alac alac_d;

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struct snd_dec_ape ape_d;

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} __attribute__((packed, aligned(4)));

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/** struct snd_codec_desc - description of codec capabilities

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* @max_ch: Maximum number of audio channels

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* @sample_rates: Sampling rates in Hz, use values like 48000 for this

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* @num_sample_rates: Number of valid values in sample_rates array

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* @bit_rate: Indexed array containing supported bit rates

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* @num_bitrates: Number of valid values in bit_rate array

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* @rate_control: value is specified by SND_RATECONTROLMODE defines.

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* @profiles: Supported profiles. See SND_AUDIOPROFILE defines.

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* @modes: Supported modes. See SND_AUDIOMODE defines

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* @formats: Supported formats. See SND_AUDIOSTREAMFORMAT defines

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* @min_buffer: Minimum buffer size handled by codec implementation

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* @reserved: reserved for future use

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* This structure provides a scalar value for profiles, modes and stream

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* format fields.

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* If an implementation supports multiple combinations, they will be listed as

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* codecs with different descriptors, for example there would be 2 descriptors

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* for AAC-RAW and AAC-ADTS.

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* This entails some redundancy but makes it easier to avoid invalid

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* configurations.

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struct snd_codec_desc {

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__u32 max_ch;

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__u32 sample_rates[MAX_NUM_SAMPLE_RATES];

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__u32 num_sample_rates;

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__u32 bit_rate[MAX_NUM_BITRATES];

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__u32 num_bitrates;

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__u32 rate_control;

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__u32 profiles;

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__u32 modes;

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__u32 formats;

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__u32 min_buffer;

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__u32 reserved[15];

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} __attribute__((packed, aligned(4)));

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/** struct snd_codec

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* @id: Identifies the supported audio encoder/decoder.

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* See SND_AUDIOCODEC macros.

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* @ch_in: Number of input audio channels

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* @ch_out: Number of output channels. In case of contradiction between

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* this field and the channelMode field, the channelMode field

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* overrides.

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* @sample_rate: Audio sample rate of input data in Hz, use values like 48000

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* for this.

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* @bit_rate: Bitrate of encoded data. May be ignored by decoders

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* @rate_control: Encoding rate control. See SND_RATECONTROLMODE defines.

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* Encoders may rely on profiles for quality levels.

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* May be ignored by decoders.

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* @profile: Mandatory for encoders, can be mandatory for specific

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* decoders as well. See SND_AUDIOPROFILE defines.

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* @level: Supported level (Only used by WMA at the moment)

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* @ch_mode: Channel mode for encoder. See SND_AUDIOCHANMODE defines

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* @format: Format of encoded bistream. Mandatory when defined.

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* See SND_AUDIOSTREAMFORMAT defines.

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* @align: Block alignment in bytes of an audio sample.

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* Only required for PCM or IEC formats.

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* @options: encoder-specific settings

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* @reserved: reserved for future use

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struct snd_codec {

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__u32 id;

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__u32 ch_in;

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__u32 ch_out;

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__u32 sample_rate;

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__u32 bit_rate;

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__u32 rate_control;

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__u32 profile;

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__u32 level;

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__u32 ch_mode;

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__u32 format;

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__u32 align;

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union snd_codec_options options;

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__u32 reserved[3];

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} __attribute__((packed, aligned(4)));

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#endif

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