1224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* 2224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * compress_params.h - codec types and parameters for compressed data 3224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * streaming interface 4224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 5224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Copyright (C) 2011 Intel Corporation 6224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Authors: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> 7224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Vinod Koul <vinod.koul@linux.intel.com> 8224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 9224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 10224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 11224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * This program is free software; you can redistribute it and/or modify 12224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * it under the terms of the GNU General Public License as published by 13224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * the Free Software Foundation; version 2 of the License. 14224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 15224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * This program is distributed in the hope that it will be useful, but 16224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * WITHOUT ANY WARRANTY; without even the implied warranty of 17224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * General Public License for more details. 19224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 20224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * You should have received a copy of the GNU General Public License along 21224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * with this program; if not, write to the Free Software Foundation, Inc., 22224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. 23224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 24224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 25224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 26224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * The definitions in this file are derived from the OpenMAX AL version 1.1 27224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * and OpenMAX IL v 1.1.2 header files which contain the copyright notice below. 28224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 29224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Copyright (c) 2007-2010 The Khronos Group Inc. 30224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 31224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Permission is hereby granted, free of charge, to any person obtaining 32224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * a copy of this software and/or associated documentation files (the 33224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * "Materials "), to deal in the Materials without restriction, including 34224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * without limitation the rights to use, copy, modify, merge, publish, 35224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * distribute, sublicense, and/or sell copies of the Materials, and to 36224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * permit persons to whom the Materials are furnished to do so, subject to 37224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * the following conditions: 38224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 39224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * The above copyright notice and this permission notice shall be included 40224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * in all copies or substantial portions of the Materials. 41224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 42224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 43224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 44224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 45224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 46224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 47224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 48224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. 49224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 50224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 51224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#ifndef __SND_COMPRESS_PARAMS_H 52224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define __SND_COMPRESS_PARAMS_H 53224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 54224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#include <linux/types.h> 55224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 56224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* AUDIO CODECS SUPPORTED */ 57224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MAX_NUM_CODECS 32 58224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MAX_NUM_CODEC_DESCRIPTORS 32 59224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MAX_NUM_BITRATES 32 60e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define MAX_NUM_SAMPLE_RATES 32 61224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 62224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* Codecs are listed linearly to allow for extensibility */ 63224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCODEC_PCM ((__u32) 0x00000001) 64224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCODEC_MP3 ((__u32) 0x00000002) 65224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCODEC_AMR ((__u32) 0x00000003) 66224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCODEC_AMRWB ((__u32) 0x00000004) 67224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCODEC_AMRWBPLUS ((__u32) 0x00000005) 68224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCODEC_AAC ((__u32) 0x00000006) 69224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCODEC_WMA ((__u32) 0x00000007) 70224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCODEC_REAL ((__u32) 0x00000008) 71224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCODEC_VORBIS ((__u32) 0x00000009) 72224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCODEC_FLAC ((__u32) 0x0000000A) 73224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCODEC_IEC61937 ((__u32) 0x0000000B) 74224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCODEC_G723_1 ((__u32) 0x0000000C) 75224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCODEC_G729 ((__u32) 0x0000000D) 76224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCODEC_MAX SND_AUDIOCODEC_G729 77224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 78224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* 79224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Profile and modes are listed with bit masks. This allows for a 80224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * more compact representation of fields that will not evolve 81224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * (in contrast to the list of codecs) 82224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 83224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 84224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOPROFILE_PCM ((__u32) 0x00000001) 85224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 86224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* MP3 modes are only useful for encoders */ 87224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCHANMODE_MP3_MONO ((__u32) 0x00000001) 88224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCHANMODE_MP3_STEREO ((__u32) 0x00000002) 89224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCHANMODE_MP3_JOINTSTEREO ((__u32) 0x00000004) 90224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOCHANMODE_MP3_DUAL ((__u32) 0x00000008) 91224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 92224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOPROFILE_AMR ((__u32) 0x00000001) 93224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 94224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* AMR modes are only useful for encoders */ 95224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_AMR_DTX_OFF ((__u32) 0x00000001) 96224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_AMR_VAD1 ((__u32) 0x00000002) 97224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_AMR_VAD2 ((__u32) 0x00000004) 98224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 99224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_UNDEFINED ((__u32) 0x00000000) 100224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_CONFORMANCE ((__u32) 0x00000001) 101224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_IF1 ((__u32) 0x00000002) 102224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_IF2 ((__u32) 0x00000004) 103224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_FSF ((__u32) 0x00000008) 104224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_RTPPAYLOAD ((__u32) 0x00000010) 105224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_ITU ((__u32) 0x00000020) 106224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 107224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOPROFILE_AMRWB ((__u32) 0x00000001) 108224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 109224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* AMRWB modes are only useful for encoders */ 110224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_AMRWB_DTX_OFF ((__u32) 0x00000001) 111224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_AMRWB_VAD1 ((__u32) 0x00000002) 112224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_AMRWB_VAD2 ((__u32) 0x00000004) 113224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 114224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOPROFILE_AMRWBPLUS ((__u32) 0x00000001) 115224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 116224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOPROFILE_AAC ((__u32) 0x00000001) 117224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 118224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* AAC modes are required for encoders and decoders */ 119224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_AAC_MAIN ((__u32) 0x00000001) 120224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_AAC_LC ((__u32) 0x00000002) 121224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_AAC_SSR ((__u32) 0x00000004) 122224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_AAC_LTP ((__u32) 0x00000008) 123224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_AAC_HE ((__u32) 0x00000010) 124224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_AAC_SCALABLE ((__u32) 0x00000020) 125224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_AAC_ERLC ((__u32) 0x00000040) 126224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_AAC_LD ((__u32) 0x00000080) 127224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_AAC_HE_PS ((__u32) 0x00000100) 128224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_AAC_HE_MPS ((__u32) 0x00000200) 129224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 130224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* AAC formats are required for encoders and decoders */ 131224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_MP2ADTS ((__u32) 0x00000001) 132224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_MP4ADTS ((__u32) 0x00000002) 133224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_MP4LOAS ((__u32) 0x00000004) 134224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_MP4LATM ((__u32) 0x00000008) 135224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_ADIF ((__u32) 0x00000010) 136224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_MP4FF ((__u32) 0x00000020) 137224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_RAW ((__u32) 0x00000040) 138224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 139224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOPROFILE_WMA7 ((__u32) 0x00000001) 140224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOPROFILE_WMA8 ((__u32) 0x00000002) 141224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOPROFILE_WMA9 ((__u32) 0x00000004) 142224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOPROFILE_WMA10 ((__u32) 0x00000008) 143224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 144224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_WMA_LEVEL1 ((__u32) 0x00000001) 145224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_WMA_LEVEL2 ((__u32) 0x00000002) 146224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_WMA_LEVEL3 ((__u32) 0x00000004) 147224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_WMA_LEVEL4 ((__u32) 0x00000008) 148224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_WMAPRO_LEVELM0 ((__u32) 0x00000010) 149224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_WMAPRO_LEVELM1 ((__u32) 0x00000020) 150224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_WMAPRO_LEVELM2 ((__u32) 0x00000040) 151224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_WMAPRO_LEVELM3 ((__u32) 0x00000080) 152224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 153224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_WMA_ASF ((__u32) 0x00000001) 154224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* 155224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Some implementations strip the ASF header and only send ASF packets 156224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * to the DSP 157224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 158224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_WMA_NOASF_HDR ((__u32) 0x00000002) 159224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 160224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOPROFILE_REALAUDIO ((__u32) 0x00000001) 161224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 162224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_REALAUDIO_G2 ((__u32) 0x00000001) 163224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_REALAUDIO_8 ((__u32) 0x00000002) 164224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_REALAUDIO_10 ((__u32) 0x00000004) 165224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_REALAUDIO_SURROUND ((__u32) 0x00000008) 166224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 167224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOPROFILE_VORBIS ((__u32) 0x00000001) 168224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 169224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_VORBIS ((__u32) 0x00000001) 170224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 171224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOPROFILE_FLAC ((__u32) 0x00000001) 172224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 173224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* 174224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Define quality levels for FLAC encoders, from LEVEL0 (fast) 175224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * to LEVEL8 (best) 176224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 177224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_FLAC_LEVEL0 ((__u32) 0x00000001) 178224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_FLAC_LEVEL1 ((__u32) 0x00000002) 179224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_FLAC_LEVEL2 ((__u32) 0x00000004) 180224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_FLAC_LEVEL3 ((__u32) 0x00000008) 181224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_FLAC_LEVEL4 ((__u32) 0x00000010) 182224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_FLAC_LEVEL5 ((__u32) 0x00000020) 183224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_FLAC_LEVEL6 ((__u32) 0x00000040) 184224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_FLAC_LEVEL7 ((__u32) 0x00000080) 185224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_FLAC_LEVEL8 ((__u32) 0x00000100) 186224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 187224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_FLAC ((__u32) 0x00000001) 188224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOSTREAMFORMAT_FLAC_OGG ((__u32) 0x00000002) 189224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 190224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* IEC61937 payloads without CUVP and preambles */ 191224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOPROFILE_IEC61937 ((__u32) 0x00000001) 192224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* IEC61937 with S/PDIF preambles+CUVP bits in 32-bit containers */ 193224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOPROFILE_IEC61937_SPDIF ((__u32) 0x00000002) 194224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 195224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* 196224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * IEC modes are mandatory for decoders. Format autodetection 197224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * will only happen on the DSP side with mode 0. The PCM mode should 198224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * not be used, the PCM codec should be used instead. 199224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 200224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_REF_STREAM_HEADER ((__u32) 0x00000000) 201224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_LPCM ((__u32) 0x00000001) 202224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_AC3 ((__u32) 0x00000002) 203224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_MPEG1 ((__u32) 0x00000004) 204224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_MP3 ((__u32) 0x00000008) 205224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_MPEG2 ((__u32) 0x00000010) 206224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_AACLC ((__u32) 0x00000020) 207224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_DTS ((__u32) 0x00000040) 208224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_ATRAC ((__u32) 0x00000080) 209224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_SACD ((__u32) 0x00000100) 210224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_EAC3 ((__u32) 0x00000200) 211224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_DTS_HD ((__u32) 0x00000400) 212224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_MLP ((__u32) 0x00000800) 213224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_DST ((__u32) 0x00001000) 214224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_WMAPRO ((__u32) 0x00002000) 215224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_REF_CXT ((__u32) 0x00004000) 216224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_HE_AAC ((__u32) 0x00008000) 217224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_HE_AAC2 ((__u32) 0x00010000) 218224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_IEC_MPEG_SURROUND ((__u32) 0x00020000) 219224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 220224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOPROFILE_G723_1 ((__u32) 0x00000001) 221224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 222224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_G723_1_ANNEX_A ((__u32) 0x00000001) 223224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_G723_1_ANNEX_B ((__u32) 0x00000002) 224224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_G723_1_ANNEX_C ((__u32) 0x00000004) 225224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 226224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOPROFILE_G729 ((__u32) 0x00000001) 227224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 228224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_G729_ANNEX_A ((__u32) 0x00000001) 229224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_AUDIOMODE_G729_ANNEX_B ((__u32) 0x00000002) 230224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 231224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* <FIXME: multichannel encoders aren't supported for now. Would need 232224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng an additional definition of channel arrangement> */ 233224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 234224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* VBR/CBR definitions */ 235224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_RATECONTROLMODE_CONSTANTBITRATE ((__u32) 0x00000001) 236224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SND_RATECONTROLMODE_VARIABLEBITRATE ((__u32) 0x00000002) 237224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 238224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* Encoder options */ 239224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 240224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct snd_enc_wma { 241224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 super_block_align; /* WMA Type-specific data */ 242224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng}; 243224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 244224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 245224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/** 246224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * struct snd_enc_vorbis 247224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @quality: Sets encoding quality to n, between -1 (low) and 10 (high). 248224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * In the default mode of operation, the quality level is 3. 249224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Normal quality range is 0 - 10. 250224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @managed: Boolean. Set bitrate management mode. This turns off the 251224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * normal VBR encoding, but allows hard or soft bitrate constraints to be 252224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * enforced by the encoder. This mode can be slower, and may also be 253224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * lower quality. It is primarily useful for streaming. 254224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @max_bit_rate: Enabled only if managed is TRUE 255224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @min_bit_rate: Enabled only if managed is TRUE 256224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @downmix: Boolean. Downmix input from stereo to mono (has no effect on 257224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * non-stereo streams). Useful for lower-bitrate encoding. 258224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 259224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * These options were extracted from the OpenMAX IL spec and Gstreamer vorbisenc 260224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * properties 261224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 262224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * For best quality users should specify VBR mode and set quality levels. 263224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 264224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 265224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct snd_enc_vorbis { 266224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __s32 quality; 267224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 managed; 268224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 max_bit_rate; 269224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 min_bit_rate; 270224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 downmix; 271314752488cb92b9f86028836d0b8eabd8acb6a7cChristopher Ferris} __attribute__((packed, aligned(4))); 272224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 273224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 274224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/** 275224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * struct snd_enc_real 276224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @quant_bits: number of coupling quantization bits in the stream 277224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @start_region: coupling start region in the stream 278224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @num_regions: number of regions value 279224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 280224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * These options were extracted from the OpenMAX IL spec 281224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 282224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 283224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct snd_enc_real { 284224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 quant_bits; 285224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 start_region; 286224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 num_regions; 287314752488cb92b9f86028836d0b8eabd8acb6a7cChristopher Ferris} __attribute__((packed, aligned(4))); 288224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 289224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/** 290224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * struct snd_enc_flac 291224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @num: serial number, valid only for OGG formats 292224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * needs to be set by application 293224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @gain: Add replay gain tags 294224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 295224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * These options were extracted from the FLAC online documentation 296224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * at http://flac.sourceforge.net/documentation_tools_flac.html 297224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 298224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * To make the API simpler, it is assumed that the user will select quality 299224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * profiles. Additional options that affect encoding quality and speed can 300224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * be added at a later stage if needed. 301224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 302224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * By default the Subset format is used by encoders. 303224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 304224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * TAGS such as pictures, etc, cannot be handled by an offloaded encoder and are 305224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * not supported in this API. 306224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 307224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 308224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct snd_enc_flac { 309224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 num; 310224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 gain; 311314752488cb92b9f86028836d0b8eabd8acb6a7cChristopher Ferris} __attribute__((packed, aligned(4))); 312224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 313224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct snd_enc_generic { 314224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 bw; /* encoder bandwidth */ 315224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __s32 reserved[15]; 316314752488cb92b9f86028836d0b8eabd8acb6a7cChristopher Ferris} __attribute__((packed, aligned(4))); 317224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 318224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengunion snd_codec_options { 319224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct snd_enc_wma wma; 320224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct snd_enc_vorbis vorbis; 321224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct snd_enc_real real; 322224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct snd_enc_flac flac; 323224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct snd_enc_generic generic; 324314752488cb92b9f86028836d0b8eabd8acb6a7cChristopher Ferris} __attribute__((packed, aligned(4))); 325224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 326224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/** struct snd_codec_desc - description of codec capabilities 327224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @max_ch: Maximum number of audio channels 328e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris * @sample_rates: Sampling rates in Hz, use values like 48000 for this 329e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris * @num_sample_rates: Number of valid values in sample_rates array 330224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @bit_rate: Indexed array containing supported bit rates 331224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @num_bitrates: Number of valid values in bit_rate array 332224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @rate_control: value is specified by SND_RATECONTROLMODE defines. 333224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @profiles: Supported profiles. See SND_AUDIOPROFILE defines. 334224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @modes: Supported modes. See SND_AUDIOMODE defines 335224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @formats: Supported formats. See SND_AUDIOSTREAMFORMAT defines 336224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @min_buffer: Minimum buffer size handled by codec implementation 337224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @reserved: reserved for future use 338224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 339224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * This structure provides a scalar value for profiles, modes and stream 340224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * format fields. 341224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * If an implementation supports multiple combinations, they will be listed as 342224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * codecs with different descriptors, for example there would be 2 descriptors 343224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * for AAC-RAW and AAC-ADTS. 344224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * This entails some redundancy but makes it easier to avoid invalid 345224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * configurations. 346224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 347224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 348224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 349224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct snd_codec_desc { 350224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 max_ch; 351e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris __u32 sample_rates[MAX_NUM_SAMPLE_RATES]; 352e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris __u32 num_sample_rates; 353224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 bit_rate[MAX_NUM_BITRATES]; 354224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 num_bitrates; 355224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 rate_control; 356224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 profiles; 357224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 modes; 358224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 formats; 359224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 min_buffer; 360224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 reserved[15]; 361314752488cb92b9f86028836d0b8eabd8acb6a7cChristopher Ferris} __attribute__((packed, aligned(4))); 362224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 363224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/** struct snd_codec 364224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @id: Identifies the supported audio encoder/decoder. 365224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * See SND_AUDIOCODEC macros. 366224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @ch_in: Number of input audio channels 367224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @ch_out: Number of output channels. In case of contradiction between 368224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * this field and the channelMode field, the channelMode field 369224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * overrides. 370e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris * @sample_rate: Audio sample rate of input data in Hz, use values like 48000 371e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris * for this. 372224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @bit_rate: Bitrate of encoded data. May be ignored by decoders 373224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @rate_control: Encoding rate control. See SND_RATECONTROLMODE defines. 374224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Encoders may rely on profiles for quality levels. 375224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * May be ignored by decoders. 376224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @profile: Mandatory for encoders, can be mandatory for specific 377224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * decoders as well. See SND_AUDIOPROFILE defines. 378224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @level: Supported level (Only used by WMA at the moment) 379224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @ch_mode: Channel mode for encoder. See SND_AUDIOCHANMODE defines 380224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @format: Format of encoded bistream. Mandatory when defined. 381224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * See SND_AUDIOSTREAMFORMAT defines. 382224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @align: Block alignment in bytes of an audio sample. 383224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Only required for PCM or IEC formats. 384224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @options: encoder-specific settings 385224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * @reserved: reserved for future use 386224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 387224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 388224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct snd_codec { 389224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 id; 390224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 ch_in; 391224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 ch_out; 392224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 sample_rate; 393224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 bit_rate; 394224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 rate_control; 395224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 profile; 396224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 level; 397224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 ch_mode; 398224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 format; 399224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 align; 400224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng union snd_codec_options options; 401224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 reserved[3]; 402314752488cb92b9f86028836d0b8eabd8acb6a7cChristopher Ferris} __attribute__((packed, aligned(4))); 403224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 404224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#endif 405