[mirror_ubuntu-artful-kernel.git] / include / sound / compress_params.h

/*
 *  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 <linux/types.h>

/* AUDIO CODECS SUPPORTED */
#define MAX_NUM_CODECS 32
#define MAX_NUM_CODEC_DESCRIPTORS 32
#define MAX_NUM_BITRATES 32

/* Codecs are listed linearly to allow for extensibility */
#define SND_AUDIOCODEC_PCM                   ((__u32) 0x00000001)
#define SND_AUDIOCODEC_MP3                   ((__u32) 0x00000002)
#define SND_AUDIOCODEC_AMR                   ((__u32) 0x00000003)
#define SND_AUDIOCODEC_AMRWB                 ((__u32) 0x00000004)
#define SND_AUDIOCODEC_AMRWBPLUS             ((__u32) 0x00000005)
#define SND_AUDIOCODEC_AAC                   ((__u32) 0x00000006)
#define SND_AUDIOCODEC_WMA                   ((__u32) 0x00000007)
#define SND_AUDIOCODEC_REAL                  ((__u32) 0x00000008)
#define SND_AUDIOCODEC_VORBIS                ((__u32) 0x00000009)
#define SND_AUDIOCODEC_FLAC                  ((__u32) 0x0000000A)
#define SND_AUDIOCODEC_IEC61937              ((__u32) 0x0000000B)
#define SND_AUDIOCODEC_G723_1                ((__u32) 0x0000000C)
#define SND_AUDIOCODEC_G729                  ((__u32) 0x0000000D)
#define SND_AUDIOCODEC_MAX                   SND_AUDIOCODEC_G729

/*
 * 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                 ((__u32) 0x00000001)

/* MP3 modes are only useful for encoders */
#define SND_AUDIOCHANMODE_MP3_MONO           ((__u32) 0x00000001)
#define SND_AUDIOCHANMODE_MP3_STEREO         ((__u32) 0x00000002)
#define SND_AUDIOCHANMODE_MP3_JOINTSTEREO    ((__u32) 0x00000004)
#define SND_AUDIOCHANMODE_MP3_DUAL           ((__u32) 0x00000008)

#define SND_AUDIOPROFILE_AMR                 ((__u32) 0x00000001)

/* AMR modes are only useful for encoders */
#define SND_AUDIOMODE_AMR_DTX_OFF            ((__u32) 0x00000001)
#define SND_AUDIOMODE_AMR_VAD1               ((__u32) 0x00000002)
#define SND_AUDIOMODE_AMR_VAD2               ((__u32) 0x00000004)

#define SND_AUDIOSTREAMFORMAT_UNDEFINED	     ((__u32) 0x00000000)
#define SND_AUDIOSTREAMFORMAT_CONFORMANCE    ((__u32) 0x00000001)
#define SND_AUDIOSTREAMFORMAT_IF1            ((__u32) 0x00000002)
#define SND_AUDIOSTREAMFORMAT_IF2            ((__u32) 0x00000004)
#define SND_AUDIOSTREAMFORMAT_FSF            ((__u32) 0x00000008)
#define SND_AUDIOSTREAMFORMAT_RTPPAYLOAD     ((__u32) 0x00000010)
#define SND_AUDIOSTREAMFORMAT_ITU            ((__u32) 0x00000020)

#define SND_AUDIOPROFILE_AMRWB               ((__u32) 0x00000001)

/* AMRWB modes are only useful for encoders */
#define SND_AUDIOMODE_AMRWB_DTX_OFF          ((__u32) 0x00000001)
#define SND_AUDIOMODE_AMRWB_VAD1             ((__u32) 0x00000002)
#define SND_AUDIOMODE_AMRWB_VAD2             ((__u32) 0x00000004)

#define SND_AUDIOPROFILE_AMRWBPLUS           ((__u32) 0x00000001)

#define SND_AUDIOPROFILE_AAC                 ((__u32) 0x00000001)

/* AAC modes are required for encoders and decoders */
#define SND_AUDIOMODE_AAC_MAIN               ((__u32) 0x00000001)
#define SND_AUDIOMODE_AAC_LC                 ((__u32) 0x00000002)
#define SND_AUDIOMODE_AAC_SSR                ((__u32) 0x00000004)
#define SND_AUDIOMODE_AAC_LTP                ((__u32) 0x00000008)
#define SND_AUDIOMODE_AAC_HE                 ((__u32) 0x00000010)
#define SND_AUDIOMODE_AAC_SCALABLE           ((__u32) 0x00000020)
#define SND_AUDIOMODE_AAC_ERLC               ((__u32) 0x00000040)
#define SND_AUDIOMODE_AAC_LD                 ((__u32) 0x00000080)
#define SND_AUDIOMODE_AAC_HE_PS              ((__u32) 0x00000100)
#define SND_AUDIOMODE_AAC_HE_MPS             ((__u32) 0x00000200)

/* AAC formats are required for encoders and decoders */
#define SND_AUDIOSTREAMFORMAT_MP2ADTS        ((__u32) 0x00000001)
#define SND_AUDIOSTREAMFORMAT_MP4ADTS        ((__u32) 0x00000002)
#define SND_AUDIOSTREAMFORMAT_MP4LOAS        ((__u32) 0x00000004)
#define SND_AUDIOSTREAMFORMAT_MP4LATM        ((__u32) 0x00000008)
#define SND_AUDIOSTREAMFORMAT_ADIF           ((__u32) 0x00000010)
#define SND_AUDIOSTREAMFORMAT_MP4FF          ((__u32) 0x00000020)
#define SND_AUDIOSTREAMFORMAT_RAW            ((__u32) 0x00000040)

#define SND_AUDIOPROFILE_WMA7                ((__u32) 0x00000001)
#define SND_AUDIOPROFILE_WMA8                ((__u32) 0x00000002)
#define SND_AUDIOPROFILE_WMA9                ((__u32) 0x00000004)
#define SND_AUDIOPROFILE_WMA10               ((__u32) 0x00000008)

#define SND_AUDIOMODE_WMA_LEVEL1             ((__u32) 0x00000001)
#define SND_AUDIOMODE_WMA_LEVEL2             ((__u32) 0x00000002)
#define SND_AUDIOMODE_WMA_LEVEL3             ((__u32) 0x00000004)
#define SND_AUDIOMODE_WMA_LEVEL4             ((__u32) 0x00000008)
#define SND_AUDIOMODE_WMAPRO_LEVELM0         ((__u32) 0x00000010)
#define SND_AUDIOMODE_WMAPRO_LEVELM1         ((__u32) 0x00000020)
#define SND_AUDIOMODE_WMAPRO_LEVELM2         ((__u32) 0x00000040)
#define SND_AUDIOMODE_WMAPRO_LEVELM3         ((__u32) 0x00000080)

#define SND_AUDIOSTREAMFORMAT_WMA_ASF        ((__u32) 0x00000001)
/*
 * Some implementations strip the ASF header and only send ASF packets
 * to the DSP
 */
#define SND_AUDIOSTREAMFORMAT_WMA_NOASF_HDR  ((__u32) 0x00000002)

#define SND_AUDIOPROFILE_REALAUDIO           ((__u32) 0x00000001)

#define SND_AUDIOMODE_REALAUDIO_G2           ((__u32) 0x00000001)
#define SND_AUDIOMODE_REALAUDIO_8            ((__u32) 0x00000002)
#define SND_AUDIOMODE_REALAUDIO_10           ((__u32) 0x00000004)
#define SND_AUDIOMODE_REALAUDIO_SURROUND     ((__u32) 0x00000008)

#define SND_AUDIOPROFILE_VORBIS              ((__u32) 0x00000001)

#define SND_AUDIOMODE_VORBIS                 ((__u32) 0x00000001)

#define SND_AUDIOPROFILE_FLAC                ((__u32) 0x00000001)

/*
 * Define quality levels for FLAC encoders, from LEVEL0 (fast)
 * to LEVEL8 (best)
 */
#define SND_AUDIOMODE_FLAC_LEVEL0            ((__u32) 0x00000001)
#define SND_AUDIOMODE_FLAC_LEVEL1            ((__u32) 0x00000002)
#define SND_AUDIOMODE_FLAC_LEVEL2            ((__u32) 0x00000004)
#define SND_AUDIOMODE_FLAC_LEVEL3            ((__u32) 0x00000008)
#define SND_AUDIOMODE_FLAC_LEVEL4            ((__u32) 0x00000010)
#define SND_AUDIOMODE_FLAC_LEVEL5            ((__u32) 0x00000020)
#define SND_AUDIOMODE_FLAC_LEVEL6            ((__u32) 0x00000040)
#define SND_AUDIOMODE_FLAC_LEVEL7            ((__u32) 0x00000080)
#define SND_AUDIOMODE_FLAC_LEVEL8            ((__u32) 0x00000100)

#define SND_AUDIOSTREAMFORMAT_FLAC           ((__u32) 0x00000001)
#define SND_AUDIOSTREAMFORMAT_FLAC_OGG       ((__u32) 0x00000002)

/* IEC61937 payloads without CUVP and preambles */
#define SND_AUDIOPROFILE_IEC61937            ((__u32) 0x00000001)
/* IEC61937 with S/PDIF preambles+CUVP bits in 32-bit containers */
#define SND_AUDIOPROFILE_IEC61937_SPDIF      ((__u32) 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  ((__u32) 0x00000000)
#define SND_AUDIOMODE_IEC_LPCM		     ((__u32) 0x00000001)
#define SND_AUDIOMODE_IEC_AC3		     ((__u32) 0x00000002)
#define SND_AUDIOMODE_IEC_MPEG1		     ((__u32) 0x00000004)
#define SND_AUDIOMODE_IEC_MP3		     ((__u32) 0x00000008)
#define SND_AUDIOMODE_IEC_MPEG2		     ((__u32) 0x00000010)
#define SND_AUDIOMODE_IEC_AACLC		     ((__u32) 0x00000020)
#define SND_AUDIOMODE_IEC_DTS		     ((__u32) 0x00000040)
#define SND_AUDIOMODE_IEC_ATRAC		     ((__u32) 0x00000080)
#define SND_AUDIOMODE_IEC_SACD		     ((__u32) 0x00000100)
#define SND_AUDIOMODE_IEC_EAC3		     ((__u32) 0x00000200)
#define SND_AUDIOMODE_IEC_DTS_HD	     ((__u32) 0x00000400)
#define SND_AUDIOMODE_IEC_MLP		     ((__u32) 0x00000800)
#define SND_AUDIOMODE_IEC_DST		     ((__u32) 0x00001000)
#define SND_AUDIOMODE_IEC_WMAPRO	     ((__u32) 0x00002000)
#define SND_AUDIOMODE_IEC_REF_CXT            ((__u32) 0x00004000)
#define SND_AUDIOMODE_IEC_HE_AAC	     ((__u32) 0x00008000)
#define SND_AUDIOMODE_IEC_HE_AAC2	     ((__u32) 0x00010000)
#define SND_AUDIOMODE_IEC_MPEG_SURROUND	     ((__u32) 0x00020000)

#define SND_AUDIOPROFILE_G723_1              ((__u32) 0x00000001)

#define SND_AUDIOMODE_G723_1_ANNEX_A         ((__u32) 0x00000001)
#define SND_AUDIOMODE_G723_1_ANNEX_B         ((__u32) 0x00000002)
#define SND_AUDIOMODE_G723_1_ANNEX_C         ((__u32) 0x00000004)

#define SND_AUDIOPROFILE_G729                ((__u32) 0x00000001)

#define SND_AUDIOMODE_G729_ANNEX_A           ((__u32) 0x00000001)
#define SND_AUDIOMODE_G729_ANNEX_B           ((__u32) 0x00000002)

/* <FIXME: multichannel encoders aren't supported for now. Would need
   an additional definition of channel arrangement> */

/* VBR/CBR definitions */
#define SND_RATECONTROLMODE_CONSTANTBITRATE  ((__u32) 0x00000001)
#define SND_RATECONTROLMODE_VARIABLEBITRATE  ((__u32) 0x00000002)

/* Encoder options */

struct snd_enc_wma {
	__u32 super_block_align; /* WMA Type-specific data */
};


/**
 * struct snd_enc_vorbis
 * @quality: Sets encoding quality to n, between -1 (low) and 10 (high).
 * In the default mode of operation, the quality level is 3.
 * Normal quality range is 0 - 10.
 * @managed: Boolean. Set  bitrate  management  mode. This turns off the
 * normal VBR encoding, but allows hard or soft bitrate constraints to be
 * enforced by the encoder. This mode can be slower, and may also be
 * lower quality. It is primarily useful for streaming.
 * @max_bit_rate: Enabled only if managed is TRUE
 * @min_bit_rate: Enabled only if managed is TRUE
 * @downmix: Boolean. Downmix input from stereo to mono (has no effect on
 * non-stereo streams). Useful for lower-bitrate encoding.
 *
 * These options were extracted from the OpenMAX IL spec and Gstreamer vorbisenc
 * properties
 *
 * For best quality users should specify VBR mode and set quality levels.
 */

struct snd_enc_vorbis {
	__s32 quality;
	__u32 managed;
	__u32 max_bit_rate;
	__u32 min_bit_rate;
	__u32 downmix;
};


/**
 * struct snd_enc_real
 * @quant_bits: number of coupling quantization bits in the stream
 * @start_region: coupling start region in the stream
 * @num_regions: number of regions value
 *
 * These options were extracted from the OpenMAX IL spec
 */

struct snd_enc_real {
	__u32 quant_bits;
	__u32 start_region;
	__u32 num_regions;
};

/**
 * struct snd_enc_flac
 * @num: serial number, valid only for OGG formats
 *	needs to be set by application
 * @gain: Add replay gain tags
 *
 * These options were extracted from the FLAC online documentation
 * at http://flac.sourceforge.net/documentation_tools_flac.html
 *
 * To make the API simpler, it is assumed that the user will select quality
 * profiles. Additional options that affect encoding quality and speed can
 * be added at a later stage if needed.
 *
 * By default the Subset format is used by encoders.
 *
 * TAGS such as pictures, etc, cannot be handled by an offloaded encoder and are
 * not supported in this API.
 */

struct snd_enc_flac {
	__u32 num;
	__u32 gain;
};

struct snd_enc_generic {
	__u32 bw;	/* encoder bandwidth */
	__s32 reserved[15];
};

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_codec_desc - description of codec capabilities
 * @max_ch: Maximum number of audio channels
 * @sample_rates: Sampling rates in Hz, use SNDRV_PCM_RATE_xxx for this
 * @bit_rate: Indexed array containing supported bit rates
 * @num_bitrates: Number of valid values in bit_rate array
 * @rate_control: value is specified by SND_RATECONTROLMODE defines.
 * @profiles: Supported profiles. See SND_AUDIOPROFILE defines.
 * @modes: Supported modes. See SND_AUDIOMODE defines
 * @formats: Supported formats. See SND_AUDIOSTREAMFORMAT defines
 * @min_buffer: Minimum buffer size handled by codec implementation
 * @reserved: reserved for future use
 *
 * This structure provides a scalar value for profiles, modes and stream
 * format fields.
 * If an implementation supports multiple combinations, they will be listed as
 * codecs with different descriptors, for example there would be 2 descriptors
 * for AAC-RAW and AAC-ADTS.
 * This entails some redundancy but makes it easier to avoid invalid
 * configurations.
 *
 */

struct snd_codec_desc {
	__u32 max_ch;
	__u32 sample_rates;
	__u32 bit_rate[MAX_NUM_BITRATES];
	__u32 num_bitrates;
	__u32 rate_control;
	__u32 profiles;
	__u32 modes;
	__u32 formats;
	__u32 min_buffer;
	__u32 reserved[15];
};

/** struct snd_codec
 * @id: Identifies the supported audio encoder/decoder.
 *		See SND_AUDIOCODEC macros.
 * @ch_in: Number of input audio channels
 * @ch_out: Number of output channels. In case of contradiction between
 *		this field and the channelMode field, the channelMode field
 *		overrides.
 * @sample_rate: Audio sample rate of input data
 * @bit_rate: Bitrate of encoded data. May be ignored by decoders
 * @rate_control: Encoding rate control. See SND_RATECONTROLMODE defines.
 *               Encoders may rely on profiles for quality levels.
 *		 May be ignored by decoders.
 * @profile: Mandatory for encoders, can be mandatory for specific
 *		decoders as well. See SND_AUDIOPROFILE defines.
 * @level: Supported level (Only used by WMA at the moment)
 * @ch_mode: Channel mode for encoder. See SND_AUDIOCHANMODE defines
 * @format: Format of encoded bistream. Mandatory when defined.
 *		See SND_AUDIOSTREAMFORMAT defines.
 * @align: Block alignment in bytes of an audio sample.
 *		Only required for PCM or IEC formats.
 * @options: encoder-specific settings
 * @reserved: reserved for future use
 */

struct snd_codec {
	__u32 id;
	__u32 ch_in;
	__u32 ch_out;
	__u32 sample_rate;
	__u32 bit_rate;
	__u32 rate_control;
	__u32 profile;
	__u32 level;
	__u32 ch_mode;
	__u32 format;
	__u32 align;
	union snd_codec_options options;
	__u32 reserved[3];
};

#endif
Commit	Line	Data
50c34cfe VK	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@linux.intel.com>
	7	* Vinod Koul <vinod.koul@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
10db4e1e BP	54	#include <linux/types.h>
10db4e1e BP	55
50c34cfe VK	56	/* AUDIO CODECS SUPPORTED */
	57	#define MAX_NUM_CODECS 32
	58	#define MAX_NUM_CODEC_DESCRIPTORS 32
	59	#define MAX_NUM_BITRATES 32
	60
	61	/* Codecs are listed linearly to allow for extensibility */
	62	#define SND_AUDIOCODEC_PCM ((__u32) 0x00000001)
	63	#define SND_AUDIOCODEC_MP3 ((__u32) 0x00000002)
	64	#define SND_AUDIOCODEC_AMR ((__u32) 0x00000003)
	65	#define SND_AUDIOCODEC_AMRWB ((__u32) 0x00000004)
	66	#define SND_AUDIOCODEC_AMRWBPLUS ((__u32) 0x00000005)
	67	#define SND_AUDIOCODEC_AAC ((__u32) 0x00000006)
	68	#define SND_AUDIOCODEC_WMA ((__u32) 0x00000007)
	69	#define SND_AUDIOCODEC_REAL ((__u32) 0x00000008)
	70	#define SND_AUDIOCODEC_VORBIS ((__u32) 0x00000009)
	71	#define SND_AUDIOCODEC_FLAC ((__u32) 0x0000000A)
	72	#define SND_AUDIOCODEC_IEC61937 ((__u32) 0x0000000B)
	73	#define SND_AUDIOCODEC_G723_1 ((__u32) 0x0000000C)
	74	#define SND_AUDIOCODEC_G729 ((__u32) 0x0000000D)
fb4a9779	75	#define SND_AUDIOCODEC_MAX SND_AUDIOCODEC_G729
50c34cfe VK	76
	77	/*
	78	* Profile and modes are listed with bit masks. This allows for a
	79	* more compact representation of fields that will not evolve
	80	* (in contrast to the list of codecs)
	81	*/
	82
	83	#define SND_AUDIOPROFILE_PCM ((__u32) 0x00000001)
	84
	85	/* MP3 modes are only useful for encoders */
	86	#define SND_AUDIOCHANMODE_MP3_MONO ((__u32) 0x00000001)
	87	#define SND_AUDIOCHANMODE_MP3_STEREO ((__u32) 0x00000002)
	88	#define SND_AUDIOCHANMODE_MP3_JOINTSTEREO ((__u32) 0x00000004)
	89	#define SND_AUDIOCHANMODE_MP3_DUAL ((__u32) 0x00000008)
	90
	91	#define SND_AUDIOPROFILE_AMR ((__u32) 0x00000001)
	92
	93	/* AMR modes are only useful for encoders */
	94	#define SND_AUDIOMODE_AMR_DTX_OFF ((__u32) 0x00000001)
	95	#define SND_AUDIOMODE_AMR_VAD1 ((__u32) 0x00000002)
	96	#define SND_AUDIOMODE_AMR_VAD2 ((__u32) 0x00000004)
	97
	98	#define SND_AUDIOSTREAMFORMAT_UNDEFINED ((__u32) 0x00000000)
	99	#define SND_AUDIOSTREAMFORMAT_CONFORMANCE ((__u32) 0x00000001)
	100	#define SND_AUDIOSTREAMFORMAT_IF1 ((__u32) 0x00000002)
	101	#define SND_AUDIOSTREAMFORMAT_IF2 ((__u32) 0x00000004)
	102	#define SND_AUDIOSTREAMFORMAT_FSF ((__u32) 0x00000008)
	103	#define SND_AUDIOSTREAMFORMAT_RTPPAYLOAD ((__u32) 0x00000010)
	104	#define SND_AUDIOSTREAMFORMAT_ITU ((__u32) 0x00000020)
	105
	106	#define SND_AUDIOPROFILE_AMRWB ((__u32) 0x00000001)
	107
	108	/* AMRWB modes are only useful for encoders */
	109	#define SND_AUDIOMODE_AMRWB_DTX_OFF ((__u32) 0x00000001)
	110	#define SND_AUDIOMODE_AMRWB_VAD1 ((__u32) 0x00000002)
	111	#define SND_AUDIOMODE_AMRWB_VAD2 ((__u32) 0x00000004)
	112
	113	#define SND_AUDIOPROFILE_AMRWBPLUS ((__u32) 0x00000001)
	114
	115	#define SND_AUDIOPROFILE_AAC ((__u32) 0x00000001)
	116
	117	/* AAC modes are required for encoders and decoders */
	118	#define SND_AUDIOMODE_AAC_MAIN ((__u32) 0x00000001)
	119	#define SND_AUDIOMODE_AAC_LC ((__u32) 0x00000002)
	120	#define SND_AUDIOMODE_AAC_SSR ((__u32) 0x00000004)
	121	#define SND_AUDIOMODE_AAC_LTP ((__u32) 0x00000008)
	122	#define SND_AUDIOMODE_AAC_HE ((__u32) 0x00000010)
	123	#define SND_AUDIOMODE_AAC_SCALABLE ((__u32) 0x00000020)
	124	#define SND_AUDIOMODE_AAC_ERLC ((__u32) 0x00000040)
	125	#define SND_AUDIOMODE_AAC_LD ((__u32) 0x00000080)
	126	#define SND_AUDIOMODE_AAC_HE_PS ((__u32) 0x00000100)
	127	#define SND_AUDIOMODE_AAC_HE_MPS ((__u32) 0x00000200)
	128
	129	/* AAC formats are required for encoders and decoders */
	130	#define SND_AUDIOSTREAMFORMAT_MP2ADTS ((__u32) 0x00000001)
	131	#define SND_AUDIOSTREAMFORMAT_MP4ADTS ((__u32) 0x00000002)
	132	#define SND_AUDIOSTREAMFORMAT_MP4LOAS ((__u32) 0x00000004)
	133	#define SND_AUDIOSTREAMFORMAT_MP4LATM ((__u32) 0x00000008)
	134	#define SND_AUDIOSTREAMFORMAT_ADIF ((__u32) 0x00000010)
	135	#define SND_AUDIOSTREAMFORMAT_MP4FF ((__u32) 0x00000020)
	136	#define SND_AUDIOSTREAMFORMAT_RAW ((__u32) 0x00000040)
	137
	138	#define SND_AUDIOPROFILE_WMA7 ((__u32) 0x00000001)
	139	#define SND_AUDIOPROFILE_WMA8 ((__u32) 0x00000002)
140	#define SND_AUDIOPROFILE_WMA9 ((__u32) 0x00000004)
141	#define SND_AUDIOPROFILE_WMA10 ((__u32) 0x00000008)
142
143	#define SND_AUDIOMODE_WMA_LEVEL1 ((__u32) 0x00000001)
144	#define SND_AUDIOMODE_WMA_LEVEL2 ((__u32) 0x00000002)
145	#define SND_AUDIOMODE_WMA_LEVEL3 ((__u32) 0x00000004)
146	#define SND_AUDIOMODE_WMA_LEVEL4 ((__u32) 0x00000008)
147	#define SND_AUDIOMODE_WMAPRO_LEVELM0 ((__u32) 0x00000010)
148	#define SND_AUDIOMODE_WMAPRO_LEVELM1 ((__u32) 0x00000020)
149	#define SND_AUDIOMODE_WMAPRO_LEVELM2 ((__u32) 0x00000040)
150	#define SND_AUDIOMODE_WMAPRO_LEVELM3 ((__u32) 0x00000080)
151
152	#define SND_AUDIOSTREAMFORMAT_WMA_ASF ((__u32) 0x00000001)
153	/*
154	* Some implementations strip the ASF header and only send ASF packets
155	* to the DSP
156	*/
157	#define SND_AUDIOSTREAMFORMAT_WMA_NOASF_HDR ((__u32) 0x00000002)
158
159	#define SND_AUDIOPROFILE_REALAUDIO ((__u32) 0x00000001)
160
161	#define SND_AUDIOMODE_REALAUDIO_G2 ((__u32) 0x00000001)
162	#define SND_AUDIOMODE_REALAUDIO_8 ((__u32) 0x00000002)
163	#define SND_AUDIOMODE_REALAUDIO_10 ((__u32) 0x00000004)
164	#define SND_AUDIOMODE_REALAUDIO_SURROUND ((__u32) 0x00000008)
165
166	#define SND_AUDIOPROFILE_VORBIS ((__u32) 0x00000001)
167
168	#define SND_AUDIOMODE_VORBIS ((__u32) 0x00000001)
169
170	#define SND_AUDIOPROFILE_FLAC ((__u32) 0x00000001)
171
172	/*
173	* Define quality levels for FLAC encoders, from LEVEL0 (fast)
174	* to LEVEL8 (best)
175	*/
176	#define SND_AUDIOMODE_FLAC_LEVEL0 ((__u32) 0x00000001)
177	#define SND_AUDIOMODE_FLAC_LEVEL1 ((__u32) 0x00000002)
178	#define SND_AUDIOMODE_FLAC_LEVEL2 ((__u32) 0x00000004)
179	#define SND_AUDIOMODE_FLAC_LEVEL3 ((__u32) 0x00000008)
180	#define SND_AUDIOMODE_FLAC_LEVEL4 ((__u32) 0x00000010)
181	#define SND_AUDIOMODE_FLAC_LEVEL5 ((__u32) 0x00000020)
182	#define SND_AUDIOMODE_FLAC_LEVEL6 ((__u32) 0x00000040)
183	#define SND_AUDIOMODE_FLAC_LEVEL7 ((__u32) 0x00000080)
184	#define SND_AUDIOMODE_FLAC_LEVEL8 ((__u32) 0x00000100)
185
186	#define SND_AUDIOSTREAMFORMAT_FLAC ((__u32) 0x00000001)
187	#define SND_AUDIOSTREAMFORMAT_FLAC_OGG ((__u32) 0x00000002)
188
189	/* IEC61937 payloads without CUVP and preambles */
190	#define SND_AUDIOPROFILE_IEC61937 ((__u32) 0x00000001)
191	/* IEC61937 with S/PDIF preambles+CUVP bits in 32-bit containers */
192	#define SND_AUDIOPROFILE_IEC61937_SPDIF ((__u32) 0x00000002)
193
194	/*
195	* IEC modes are mandatory for decoders. Format autodetection
196	* will only happen on the DSP side with mode 0. The PCM mode should
197	* not be used, the PCM codec should be used instead.
198	*/
199	#define SND_AUDIOMODE_IEC_REF_STREAM_HEADER ((__u32) 0x00000000)
200	#define SND_AUDIOMODE_IEC_LPCM ((__u32) 0x00000001)
201	#define SND_AUDIOMODE_IEC_AC3 ((__u32) 0x00000002)
202	#define SND_AUDIOMODE_IEC_MPEG1 ((__u32) 0x00000004)
203	#define SND_AUDIOMODE_IEC_MP3 ((__u32) 0x00000008)
204	#define SND_AUDIOMODE_IEC_MPEG2 ((__u32) 0x00000010)
205	#define SND_AUDIOMODE_IEC_AACLC ((__u32) 0x00000020)
206	#define SND_AUDIOMODE_IEC_DTS ((__u32) 0x00000040)
207	#define SND_AUDIOMODE_IEC_ATRAC ((__u32) 0x00000080)
208	#define SND_AUDIOMODE_IEC_SACD ((__u32) 0x00000100)
209	#define SND_AUDIOMODE_IEC_EAC3 ((__u32) 0x00000200)
210	#define SND_AUDIOMODE_IEC_DTS_HD ((__u32) 0x00000400)
211	#define SND_AUDIOMODE_IEC_MLP ((__u32) 0x00000800)
212	#define SND_AUDIOMODE_IEC_DST ((__u32) 0x00001000)
213	#define SND_AUDIOMODE_IEC_WMAPRO ((__u32) 0x00002000)
214	#define SND_AUDIOMODE_IEC_REF_CXT ((__u32) 0x00004000)
215	#define SND_AUDIOMODE_IEC_HE_AAC ((__u32) 0x00008000)
216	#define SND_AUDIOMODE_IEC_HE_AAC2 ((__u32) 0x00010000)
217	#define SND_AUDIOMODE_IEC_MPEG_SURROUND ((__u32) 0x00020000)
218
219	#define SND_AUDIOPROFILE_G723_1 ((__u32) 0x00000001)
220
221	#define SND_AUDIOMODE_G723_1_ANNEX_A ((__u32) 0x00000001)
222	#define SND_AUDIOMODE_G723_1_ANNEX_B ((__u32) 0x00000002)
223	#define SND_AUDIOMODE_G723_1_ANNEX_C ((__u32) 0x00000004)
224
225	#define SND_AUDIOPROFILE_G729 ((__u32) 0x00000001)
226
227	#define SND_AUDIOMODE_G729_ANNEX_A ((__u32) 0x00000001)
228	#define SND_AUDIOMODE_G729_ANNEX_B ((__u32) 0x00000002)
229
230	/* <FIXME: multichannel encoders aren't supported for now. Would need
231	an additional definition of channel arrangement> */
232
233	/* VBR/CBR definitions */
234	#define SND_RATECONTROLMODE_CONSTANTBITRATE ((__u32) 0x00000001)
235	#define SND_RATECONTROLMODE_VARIABLEBITRATE ((__u32) 0x00000002)
236
237	/* Encoder options */
238
239	struct snd_enc_wma {
240	__u32 super_block_align; /* WMA Type-specific data */
241	};
242
243
244	/**
245	* struct snd_enc_vorbis
246	* @quality: Sets encoding quality to n, between -1 (low) and 10 (high).
247	* In the default mode of operation, the quality level is 3.
248	* Normal quality range is 0 - 10.
249	* @managed: Boolean. Set bitrate management mode. This turns off the
250	* normal VBR encoding, but allows hard or soft bitrate constraints to be
251	* enforced by the encoder. This mode can be slower, and may also be
252	* lower quality. It is primarily useful for streaming.
253	* @max_bit_rate: Enabled only if managed is TRUE
254	* @min_bit_rate: Enabled only if managed is TRUE
255	* @downmix: Boolean. Downmix input from stereo to mono (has no effect on
256	* non-stereo streams). Useful for lower-bitrate encoding.
257	*
258	* These options were extracted from the OpenMAX IL spec and Gstreamer vorbisenc
259	* properties
260	*
261	* For best quality users should specify VBR mode and set quality levels.
262	*/
263
264	struct snd_enc_vorbis {
265	__s32 quality;
266	__u32 managed;
267	__u32 max_bit_rate;
268	__u32 min_bit_rate;
269	__u32 downmix;
270	};
271
272
273	/**
274	* struct snd_enc_real
275	* @quant_bits: number of coupling quantization bits in the stream
276	* @start_region: coupling start region in the stream
277	* @num_regions: number of regions value
278	*
279	* These options were extracted from the OpenMAX IL spec
280	*/
281
282	struct snd_enc_real {
283	__u32 quant_bits;
284	__u32 start_region;
285	__u32 num_regions;
286	};
287
288	/**
289	* struct snd_enc_flac
290	* @num: serial number, valid only for OGG formats
291	* needs to be set by application
292	* @gain: Add replay gain tags
293	*
294	* These options were extracted from the FLAC online documentation
295	* at http://flac.sourceforge.net/documentation_tools_flac.html
296	*
297	* To make the API simpler, it is assumed that the user will select quality
298	* profiles. Additional options that affect encoding quality and speed can
299	* be added at a later stage if needed.
300	*
301	* By default the Subset format is used by encoders.
302	*
303	* TAGS such as pictures, etc, cannot be handled by an offloaded encoder and are
304	* not supported in this API.
305	*/
306
307	struct snd_enc_flac {
308	__u32 num;
309	__u32 gain;
310	};
311
312	struct snd_enc_generic {
313	__u32 bw; /* encoder bandwidth */
314	__s32 reserved[15];
315	};
316
317	union snd_codec_options {
318	struct snd_enc_wma wma;
319	struct snd_enc_vorbis vorbis;
320	struct snd_enc_real real;
321	struct snd_enc_flac flac;
322	struct snd_enc_generic generic;
323	};
324
325	/** struct snd_codec_desc - description of codec capabilities
326	* @max_ch: Maximum number of audio channels
327	* @sample_rates: Sampling rates in Hz, use SNDRV_PCM_RATE_xxx for this
328	* @bit_rate: Indexed array containing supported bit rates
329	* @num_bitrates: Number of valid values in bit_rate array
330	* @rate_control: value is specified by SND_RATECONTROLMODE defines.
331	* @profiles: Supported profiles. See SND_AUDIOPROFILE defines.
332	* @modes: Supported modes. See SND_AUDIOMODE defines
333	* @formats: Supported formats. See SND_AUDIOSTREAMFORMAT defines
334	* @min_buffer: Minimum buffer size handled by codec implementation
335	* @reserved: reserved for future use
336	*
337	* This structure provides a scalar value for profiles, modes and stream
338	* format fields.
339	* If an implementation supports multiple combinations, they will be listed as
340	* codecs with different descriptors, for example there would be 2 descriptors
341	* for AAC-RAW and AAC-ADTS.
342	* This entails some redundancy but makes it easier to avoid invalid
343	* configurations.
344	*
345	*/
346
347	struct snd_codec_desc {
348	__u32 max_ch;
349	__u32 sample_rates;
350	__u32 bit_rate[MAX_NUM_BITRATES];
351	__u32 num_bitrates;
352	__u32 rate_control;
353	__u32 profiles;
354	__u32 modes;
355	__u32 formats;
356	__u32 min_buffer;
357	__u32 reserved[15];
358	};
359
360	/** struct snd_codec
361	* @id: Identifies the supported audio encoder/decoder.
362	* See SND_AUDIOCODEC macros.
363	* @ch_in: Number of input audio channels
364	* @ch_out: Number of output channels. In case of contradiction between
365	* this field and the channelMode field, the channelMode field
366	* overrides.
367	* @sample_rate: Audio sample rate of input data
368	* @bit_rate: Bitrate of encoded data. May be ignored by decoders
369	* @rate_control: Encoding rate control. See SND_RATECONTROLMODE defines.
370	* Encoders may rely on profiles for quality levels.
371	* May be ignored by decoders.
372	* @profile: Mandatory for encoders, can be mandatory for specific
373	* decoders as well. See SND_AUDIOPROFILE defines.
374	* @level: Supported level (Only used by WMA at the moment)
375	* @ch_mode: Channel mode for encoder. See SND_AUDIOCHANMODE defines
376	* @format: Format of encoded bistream. Mandatory when defined.
377	* See SND_AUDIOSTREAMFORMAT defines.
378	* @align: Block alignment in bytes of an audio sample.
379	* Only required for PCM or IEC formats.
380	* @options: encoder-specific settings
381	* @reserved: reserved for future use
382	*/
383
384	struct snd_codec {
385	__u32 id;
386	__u32 ch_in;
387	__u32 ch_out;
388	__u32 sample_rate;
389	__u32 bit_rate;
390	__u32 rate_control;
391	__u32 profile;
392	__u32 level;
393	__u32 ch_mode;
394	__u32 format;
395	__u32 align;
396	union snd_codec_options options;
397	__u32 reserved[3];
398	};
399
400	#endif