The patch adds the various definations used to define the encoder and decoder parameters
Signed-off-by: Vinod Koul vinod.koul@linux.intel.com Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- include/sound/snd_compress_params.h | 396 +++++++++++++++++++++++++++++++++++ 1 files changed, 396 insertions(+), 0 deletions(-) create mode 100644 include/sound/snd_compress_params.h
diff --git a/include/sound/snd_compress_params.h b/include/sound/snd_compress_params.h new file mode 100644 index 0000000..7203e5f --- /dev/null +++ b/include/sound/snd_compress_params.h @@ -0,0 +1,396 @@ +/* + * snd_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. + * + */ + + +/* AUDIO CODECS SUPPORTED */ +#define MAX_NUM_CODECS 32 +#define MAX_NUM_CODEC_DESCRIPTORS 32 +#define MAX_NUM_RATES 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) + +/* + * 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) + +/* <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 wmaEncoderOptions { + __u32 super_block_align; /* WMA Type-specific data */ +}; + + +/** + * struct vorbisEncoderOptions + * @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. + * @maxBitrate: enabled only is managed is TRUE + * @minBitrate: enabled only is 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 vorbisEncoderOptions { + int quality; + __u32 managed; + __u32 maxBitrate; + __u32 minBirate; + __u32 downmix; +}; + + +/** + * struct realEncoderOptions + * @coupling_quant_bits: is the number of coupling quantization bits in the stream + * @coupling_start_region: is the coupling start region in the stream + * @num_regions: is the number of regions value + * + * These options were extracted from the OpenMAX IL spec + */ + +struct realEncoderOptions { + __u32 coupling_quant_bits; + __u32 coupling_start_region; + __u32 num_regions; +}; + +/** + * struct flacEncoderOptions + * @serialNumber: valid only for OGG formats, needs to be set by application + * @replayGain: Add ReplayGain 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 need be. + * + * 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 flacEncoderOptions { + __u32 serialNumber; + __u32 replayGain; +}; + +struct genericEncoderOptions { + __u32 encoderBandwidth; + int reserved[15]; +}; + +union AudioCodecOptions { + struct wmaEncoderOptions wmaSpecificOptions; + struct vorbisEncoderOptions vorbisSpecificOptions; + struct realEncoderOptions realSpecificOptions; + struct flacEncoderOptions flacEncoderOptions; + struct genericEncoderOptions genericOptions; +}; + +/** struct SndAudioCodecDescriptor - description of codec capabilities + * @maxChannels: maximum number of audio channels + * @minBitsPerSample: Minimum bits per sample of PCM data <FIXME: needed?> + * @maxBitsPerSample: Maximum bits per sample of PCM data <FIXME: needed?> + * @minSampleRate: Minimum sampling rate supported, unit is Hz + * @maxSampleRate: Minimum sampling rate supported, unit is Hz + * @isFreqRangeContinuous: TRUE if the device supports a continuous range of + * sampling rates between minSampleRate and maxSampleRate; + * otherwise FALSE <FIXME: needed?> + * @SampleRatesSupported: Indexed array containing supported sampling rates in Hz + * @numSampleRatesSupported: Size of the pSamplesRatesSupported array + * @minBitRate: Minimum bitrate in bits per second + * @maxBitRate: Max bitrate in bits per second + * @isBitrateRangeContinuous: TRUE if the device supports a continuous range of + * bitrates between minBitRate and maxBitRate; otherwise FALSE + * @BitratesSupported: Indexed array containing supported bit rates + * @numBitratesSupported: Size of the pBiratesSupported array + * @rateControlSupported: value is specified by SND_RATECONTROLMODE defines. + * @profileSetting: Profile supported. See SND_AUDIOPROFILE defines. + * @modeSetting: Mode supported. See SND_AUDIOMODE defines + * @streamFormat: Format supported. See SND_AUDIOSTREAMFORMAT defines + * @reserved: reserved for future use + * + * This structure provides a scalar value for profile, mode and stream format fields. + * If an implementation supports multiple combinations, they will be listed as codecs + * with different IDs, for example there would be 2 decoders for AAC-RAW and AAC-ADTS. + * This entails some redundancy but makes it easier to avoid invalid configurations. + * + */ + +struct SndAudioCodecDescriptor { + __u32 maxChannels; + __u32 minBitsPerSample; + __u32 maxBitsPerSample; + __u32 minSampleRate; + __u32 maxSampleRate; + __u32 isFreqRangeContinuous; + __u32 sampleRatesSupported[MAX_NUM_RATES]; + __u32 numSampleRatesSupported; + __u32 minBitRate; + __u32 maxBitRate; + __u32 isBitrateRangeContinuous; + __u32 bitratesSupported[MAX_NUM_BITRATES]; + __u32 numBitratesSupported; + __u32 rateControlSupported; + __u32 profileSetting; + __u32 modeSetting; + __u32 streamFormat; + __u32 reserved[16]; +}; + +/** struct SndAudioCodecSettings - + * @codecId: Identifies the supported audio encoder/decoder. See SND_AUDIOCODEC macros. + * @channelsIn: Number of input audio channels + * @channelsOut: Number of output channels. In case of contradiction between this field and the + * channelMode field, the channelMode field overrides + * @sampleRate: Audio sample rate of input data + * @bitRate: Bitrate of encoded data. May be ignored by decoders + * @bitsPerSample: <FIXME: Needed? DSP implementations can handle their own format> + * @rateControl: Encoding rate control. See SND_RATECONTROLMODE defines. + * Encoders may rely on profiles for quality levels. + * May be ignored by decoders. + * @profileSetting: Mandatory for encoders, can be mandatory for specific decoders as well. + * See SND_AUDIOPROFILE defines + * @levelSetting: Supported level (Only used by WMA at the moment) + * @channelMode: Channel mode for encoder. See SND_AUDIOCHANMODE defines + * @streamFormat: Format of encoded bistream. Mandatory when defined. See SND_AUDIOSTREAMFORMAT + * defines + * @blockAlignment: 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 SndAudioCodecSettings { + __u32 codecId; + __u32 channelsIn; + __u32 channelsOut; + __u32 sampleRate; + __u32 bitRate; + __u32 bitsPerSample; + __u32 rateControl; + __u32 profileSetting; + __u32 levelSetting; + __u32 channelMode; + __u32 streamFormat; + __u32 blockAlignment; + union AudioCodecOptions options; + __u32 reserved[3]; +};