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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /include/uapi/sound/compress_params.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/uapi/sound/compress_params.h')
-rw-r--r--include/uapi/sound/compress_params.h417
1 files changed, 417 insertions, 0 deletions
diff --git a/include/uapi/sound/compress_params.h b/include/uapi/sound/compress_params.h
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+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) AND MIT) */
+/*
+ * 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>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * 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
+ * and are licensed under the MIT license.
+ *
+ * Copyright (c) 2007-2010 The Khronos Group Inc.
+ */
+#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
+#define MAX_NUM_SAMPLE_RATES 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_BESPOKE ((__u32) 0x0000000E)
+#define SND_AUDIOCODEC_ALAC ((__u32) 0x0000000F)
+#define SND_AUDIOCODEC_APE ((__u32) 0x00000010)
+#define SND_AUDIOCODEC_MAX SND_AUDIOCODEC_APE
+
+/*
+ * 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_AUDIOPROFILE_WMA9_PRO ((__u32) 0x00000010)
+#define SND_AUDIOPROFILE_WMA9_LOSSLESS ((__u32) 0x00000020)
+#define SND_AUDIOPROFILE_WMA10_LOSSLESS ((__u32) 0x00000040)
+
+#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 - Vorbis encoder parameters
+ * @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;
+} __attribute__((packed, aligned(4)));
+
+
+/**
+ * struct snd_enc_real - RealAudio encoder parameters
+ * @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;
+} __attribute__((packed, aligned(4)));
+
+/**
+ * struct snd_enc_flac - FLAC encoder parameters
+ * @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;
+} __attribute__((packed, aligned(4)));
+
+struct snd_enc_generic {
+ __u32 bw; /* encoder bandwidth */
+ __s32 reserved[15]; /* Can be used for SND_AUDIOCODEC_BESPOKE */
+} __attribute__((packed, aligned(4)));
+
+struct snd_dec_flac {
+ __u16 sample_size;
+ __u16 min_blk_size;
+ __u16 max_blk_size;
+ __u16 min_frame_size;
+ __u16 max_frame_size;
+ __u16 reserved;
+} __attribute__((packed, aligned(4)));
+
+struct snd_dec_wma {
+ __u32 encoder_option;
+ __u32 adv_encoder_option;
+ __u32 adv_encoder_option2;
+ __u32 reserved;
+} __attribute__((packed, aligned(4)));
+
+struct snd_dec_alac {
+ __u32 frame_length;
+ __u8 compatible_version;
+ __u8 pb;
+ __u8 mb;
+ __u8 kb;
+ __u32 max_run;
+ __u32 max_frame_bytes;
+} __attribute__((packed, aligned(4)));
+
+struct snd_dec_ape {
+ __u16 compatible_version;
+ __u16 compression_level;
+ __u32 format_flags;
+ __u32 blocks_per_frame;
+ __u32 final_frame_blocks;
+ __u32 total_frames;
+ __u32 seek_table_present;
+} __attribute__((packed, aligned(4)));
+
+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_dec_flac flac_d;
+ struct snd_dec_wma wma_d;
+ struct snd_dec_alac alac_d;
+ struct snd_dec_ape ape_d;
+} __attribute__((packed, aligned(4)));
+
+/** struct snd_codec_desc - description of codec capabilities
+ * @max_ch: Maximum number of audio channels
+ * @sample_rates: Sampling rates in Hz, use values like 48000 for this
+ * @num_sample_rates: Number of valid values in sample_rates array
+ * @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[MAX_NUM_SAMPLE_RATES];
+ __u32 num_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];
+} __attribute__((packed, aligned(4)));
+
+/** 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 in Hz, use values like 48000
+ * for this.
+ * @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];
+} __attribute__((packed, aligned(4)));
+
+#endif