| /* |
| * 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) |
| |
| /* |
| * 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 |