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/* Simple Plugin API
*
* Copyright © 2018 Wim Taymans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS 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 SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef SPA_AUDIO_RAW_H
#define SPA_AUDIO_RAW_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#if !defined(__FreeBSD__) && !defined(__MidnightBSD__)
#include <endian.h>
#endif
/**
* \addtogroup spa_param
* \{
*/
#define SPA_AUDIO_MAX_CHANNELS 64u
enum spa_audio_format {
SPA_AUDIO_FORMAT_UNKNOWN,
SPA_AUDIO_FORMAT_ENCODED,
/* interleaved formats */
SPA_AUDIO_FORMAT_START_Interleaved = 0x100,
SPA_AUDIO_FORMAT_S8,
SPA_AUDIO_FORMAT_U8,
SPA_AUDIO_FORMAT_S16_LE,
SPA_AUDIO_FORMAT_S16_BE,
SPA_AUDIO_FORMAT_U16_LE,
SPA_AUDIO_FORMAT_U16_BE,
SPA_AUDIO_FORMAT_S24_32_LE,
SPA_AUDIO_FORMAT_S24_32_BE,
SPA_AUDIO_FORMAT_U24_32_LE,
SPA_AUDIO_FORMAT_U24_32_BE,
SPA_AUDIO_FORMAT_S32_LE,
SPA_AUDIO_FORMAT_S32_BE,
SPA_AUDIO_FORMAT_U32_LE,
SPA_AUDIO_FORMAT_U32_BE,
SPA_AUDIO_FORMAT_S24_LE,
SPA_AUDIO_FORMAT_S24_BE,
SPA_AUDIO_FORMAT_U24_LE,
SPA_AUDIO_FORMAT_U24_BE,
SPA_AUDIO_FORMAT_S20_LE,
SPA_AUDIO_FORMAT_S20_BE,
SPA_AUDIO_FORMAT_U20_LE,
SPA_AUDIO_FORMAT_U20_BE,
SPA_AUDIO_FORMAT_S18_LE,
SPA_AUDIO_FORMAT_S18_BE,
SPA_AUDIO_FORMAT_U18_LE,
SPA_AUDIO_FORMAT_U18_BE,
SPA_AUDIO_FORMAT_F32_LE,
SPA_AUDIO_FORMAT_F32_BE,
SPA_AUDIO_FORMAT_F64_LE,
SPA_AUDIO_FORMAT_F64_BE,
SPA_AUDIO_FORMAT_ULAW,
SPA_AUDIO_FORMAT_ALAW,
/* planar formats */
SPA_AUDIO_FORMAT_START_Planar = 0x200,
SPA_AUDIO_FORMAT_U8P,
SPA_AUDIO_FORMAT_S16P,
SPA_AUDIO_FORMAT_S24_32P,
SPA_AUDIO_FORMAT_S32P,
SPA_AUDIO_FORMAT_S24P,
SPA_AUDIO_FORMAT_F32P,
SPA_AUDIO_FORMAT_F64P,
SPA_AUDIO_FORMAT_S8P,
/* other formats start here */
SPA_AUDIO_FORMAT_START_Other = 0x400,
/* Aliases */
/* DSP formats */
SPA_AUDIO_FORMAT_DSP_S32 = SPA_AUDIO_FORMAT_S24_32P,
SPA_AUDIO_FORMAT_DSP_F32 = SPA_AUDIO_FORMAT_F32P,
SPA_AUDIO_FORMAT_DSP_F64 = SPA_AUDIO_FORMAT_F64P,
/* native endian */
#if __BYTE_ORDER == __BIG_ENDIAN
SPA_AUDIO_FORMAT_S16 = SPA_AUDIO_FORMAT_S16_BE,
SPA_AUDIO_FORMAT_U16 = SPA_AUDIO_FORMAT_U16_BE,
SPA_AUDIO_FORMAT_S24_32 = SPA_AUDIO_FORMAT_S24_32_BE,
SPA_AUDIO_FORMAT_U24_32 = SPA_AUDIO_FORMAT_U24_32_BE,
SPA_AUDIO_FORMAT_S32 = SPA_AUDIO_FORMAT_S32_BE,
SPA_AUDIO_FORMAT_U32 = SPA_AUDIO_FORMAT_U32_BE,
SPA_AUDIO_FORMAT_S24 = SPA_AUDIO_FORMAT_S24_BE,
SPA_AUDIO_FORMAT_U24 = SPA_AUDIO_FORMAT_U24_BE,
SPA_AUDIO_FORMAT_S20 = SPA_AUDIO_FORMAT_S20_BE,
SPA_AUDIO_FORMAT_U20 = SPA_AUDIO_FORMAT_U20_BE,
SPA_AUDIO_FORMAT_S18 = SPA_AUDIO_FORMAT_S18_BE,
SPA_AUDIO_FORMAT_U18 = SPA_AUDIO_FORMAT_U18_BE,
SPA_AUDIO_FORMAT_F32 = SPA_AUDIO_FORMAT_F32_BE,
SPA_AUDIO_FORMAT_F64 = SPA_AUDIO_FORMAT_F64_BE,
SPA_AUDIO_FORMAT_S16_OE = SPA_AUDIO_FORMAT_S16_LE,
SPA_AUDIO_FORMAT_U16_OE = SPA_AUDIO_FORMAT_U16_LE,
SPA_AUDIO_FORMAT_S24_32_OE = SPA_AUDIO_FORMAT_S24_32_LE,
SPA_AUDIO_FORMAT_U24_32_OE = SPA_AUDIO_FORMAT_U24_32_LE,
SPA_AUDIO_FORMAT_S32_OE = SPA_AUDIO_FORMAT_S32_LE,
SPA_AUDIO_FORMAT_U32_OE = SPA_AUDIO_FORMAT_U32_LE,
SPA_AUDIO_FORMAT_S24_OE = SPA_AUDIO_FORMAT_S24_LE,
SPA_AUDIO_FORMAT_U24_OE = SPA_AUDIO_FORMAT_U24_LE,
SPA_AUDIO_FORMAT_S20_OE = SPA_AUDIO_FORMAT_S20_LE,
SPA_AUDIO_FORMAT_U20_OE = SPA_AUDIO_FORMAT_U20_LE,
SPA_AUDIO_FORMAT_S18_OE = SPA_AUDIO_FORMAT_S18_LE,
SPA_AUDIO_FORMAT_U18_OE = SPA_AUDIO_FORMAT_U18_LE,
SPA_AUDIO_FORMAT_F32_OE = SPA_AUDIO_FORMAT_F32_LE,
SPA_AUDIO_FORMAT_F64_OE = SPA_AUDIO_FORMAT_F64_LE,
#elif __BYTE_ORDER == __LITTLE_ENDIAN
SPA_AUDIO_FORMAT_S16 = SPA_AUDIO_FORMAT_S16_LE,
SPA_AUDIO_FORMAT_U16 = SPA_AUDIO_FORMAT_U16_LE,
SPA_AUDIO_FORMAT_S24_32 = SPA_AUDIO_FORMAT_S24_32_LE,
SPA_AUDIO_FORMAT_U24_32 = SPA_AUDIO_FORMAT_U24_32_LE,
SPA_AUDIO_FORMAT_S32 = SPA_AUDIO_FORMAT_S32_LE,
SPA_AUDIO_FORMAT_U32 = SPA_AUDIO_FORMAT_U32_LE,
SPA_AUDIO_FORMAT_S24 = SPA_AUDIO_FORMAT_S24_LE,
SPA_AUDIO_FORMAT_U24 = SPA_AUDIO_FORMAT_U24_LE,
SPA_AUDIO_FORMAT_S20 = SPA_AUDIO_FORMAT_S20_LE,
SPA_AUDIO_FORMAT_U20 = SPA_AUDIO_FORMAT_U20_LE,
SPA_AUDIO_FORMAT_S18 = SPA_AUDIO_FORMAT_S18_LE,
SPA_AUDIO_FORMAT_U18 = SPA_AUDIO_FORMAT_U18_LE,
SPA_AUDIO_FORMAT_F32 = SPA_AUDIO_FORMAT_F32_LE,
SPA_AUDIO_FORMAT_F64 = SPA_AUDIO_FORMAT_F64_LE,
SPA_AUDIO_FORMAT_S16_OE = SPA_AUDIO_FORMAT_S16_BE,
SPA_AUDIO_FORMAT_U16_OE = SPA_AUDIO_FORMAT_U16_BE,
SPA_AUDIO_FORMAT_S24_32_OE = SPA_AUDIO_FORMAT_S24_32_BE,
SPA_AUDIO_FORMAT_U24_32_OE = SPA_AUDIO_FORMAT_U24_32_BE,
SPA_AUDIO_FORMAT_S32_OE = SPA_AUDIO_FORMAT_S32_BE,
SPA_AUDIO_FORMAT_U32_OE = SPA_AUDIO_FORMAT_U32_BE,
SPA_AUDIO_FORMAT_S24_OE = SPA_AUDIO_FORMAT_S24_BE,
SPA_AUDIO_FORMAT_U24_OE = SPA_AUDIO_FORMAT_U24_BE,
SPA_AUDIO_FORMAT_S20_OE = SPA_AUDIO_FORMAT_S20_BE,
SPA_AUDIO_FORMAT_U20_OE = SPA_AUDIO_FORMAT_U20_BE,
SPA_AUDIO_FORMAT_S18_OE = SPA_AUDIO_FORMAT_S18_BE,
SPA_AUDIO_FORMAT_U18_OE = SPA_AUDIO_FORMAT_U18_BE,
SPA_AUDIO_FORMAT_F32_OE = SPA_AUDIO_FORMAT_F32_BE,
SPA_AUDIO_FORMAT_F64_OE = SPA_AUDIO_FORMAT_F64_BE,
#endif
};
#define SPA_AUDIO_FORMAT_IS_INTERLEAVED(fmt) ((fmt) > SPA_AUDIO_FORMAT_START_Interleaved && (fmt) < SPA_AUDIO_FORMAT_START_Planar)
#define SPA_AUDIO_FORMAT_IS_PLANAR(fmt) ((fmt) > SPA_AUDIO_FORMAT_START_Planar && (fmt) < SPA_AUDIO_FORMAT_START_Other)
enum spa_audio_channel {
SPA_AUDIO_CHANNEL_UNKNOWN, /**< unspecified */
SPA_AUDIO_CHANNEL_NA, /**< N/A, silent */
SPA_AUDIO_CHANNEL_MONO, /**< mono stream */
SPA_AUDIO_CHANNEL_FL, /**< front left */
SPA_AUDIO_CHANNEL_FR, /**< front right */
SPA_AUDIO_CHANNEL_FC, /**< front center */
SPA_AUDIO_CHANNEL_LFE, /**< LFE */
SPA_AUDIO_CHANNEL_SL, /**< side left */
SPA_AUDIO_CHANNEL_SR, /**< side right */
SPA_AUDIO_CHANNEL_FLC, /**< front left center */
SPA_AUDIO_CHANNEL_FRC, /**< front right center */
SPA_AUDIO_CHANNEL_RC, /**< rear center */
SPA_AUDIO_CHANNEL_RL, /**< rear left */
SPA_AUDIO_CHANNEL_RR, /**< rear right */
SPA_AUDIO_CHANNEL_TC, /**< top center */
SPA_AUDIO_CHANNEL_TFL, /**< top front left */
SPA_AUDIO_CHANNEL_TFC, /**< top front center */
SPA_AUDIO_CHANNEL_TFR, /**< top front right */
SPA_AUDIO_CHANNEL_TRL, /**< top rear left */
SPA_AUDIO_CHANNEL_TRC, /**< top rear center */
SPA_AUDIO_CHANNEL_TRR, /**< top rear right */
SPA_AUDIO_CHANNEL_RLC, /**< rear left center */
SPA_AUDIO_CHANNEL_RRC, /**< rear right center */
SPA_AUDIO_CHANNEL_FLW, /**< front left wide */
SPA_AUDIO_CHANNEL_FRW, /**< front right wide */
SPA_AUDIO_CHANNEL_LFE2, /**< LFE 2 */
SPA_AUDIO_CHANNEL_FLH, /**< front left high */
SPA_AUDIO_CHANNEL_FCH, /**< front center high */
SPA_AUDIO_CHANNEL_FRH, /**< front right high */
SPA_AUDIO_CHANNEL_TFLC, /**< top front left center */
SPA_AUDIO_CHANNEL_TFRC, /**< top front right center */
SPA_AUDIO_CHANNEL_TSL, /**< top side left */
SPA_AUDIO_CHANNEL_TSR, /**< top side right */
SPA_AUDIO_CHANNEL_LLFE, /**< left LFE */
SPA_AUDIO_CHANNEL_RLFE, /**< right LFE */
SPA_AUDIO_CHANNEL_BC, /**< bottom center */
SPA_AUDIO_CHANNEL_BLC, /**< bottom left center */
SPA_AUDIO_CHANNEL_BRC, /**< bottom right center */
SPA_AUDIO_CHANNEL_START_Aux = 0x1000, /**< aux channels */
SPA_AUDIO_CHANNEL_AUX0 = SPA_AUDIO_CHANNEL_START_Aux,
SPA_AUDIO_CHANNEL_AUX1,
SPA_AUDIO_CHANNEL_AUX2,
SPA_AUDIO_CHANNEL_AUX3,
SPA_AUDIO_CHANNEL_AUX4,
SPA_AUDIO_CHANNEL_AUX5,
SPA_AUDIO_CHANNEL_AUX6,
SPA_AUDIO_CHANNEL_AUX7,
SPA_AUDIO_CHANNEL_AUX8,
SPA_AUDIO_CHANNEL_AUX9,
SPA_AUDIO_CHANNEL_AUX10,
SPA_AUDIO_CHANNEL_AUX11,
SPA_AUDIO_CHANNEL_AUX12,
SPA_AUDIO_CHANNEL_AUX13,
SPA_AUDIO_CHANNEL_AUX14,
SPA_AUDIO_CHANNEL_AUX15,
SPA_AUDIO_CHANNEL_AUX16,
SPA_AUDIO_CHANNEL_AUX17,
SPA_AUDIO_CHANNEL_AUX18,
SPA_AUDIO_CHANNEL_AUX19,
SPA_AUDIO_CHANNEL_AUX20,
SPA_AUDIO_CHANNEL_AUX21,
SPA_AUDIO_CHANNEL_AUX22,
SPA_AUDIO_CHANNEL_AUX23,
SPA_AUDIO_CHANNEL_AUX24,
SPA_AUDIO_CHANNEL_AUX25,
SPA_AUDIO_CHANNEL_AUX26,
SPA_AUDIO_CHANNEL_AUX27,
SPA_AUDIO_CHANNEL_AUX28,
SPA_AUDIO_CHANNEL_AUX29,
SPA_AUDIO_CHANNEL_AUX30,
SPA_AUDIO_CHANNEL_AUX31,
SPA_AUDIO_CHANNEL_AUX32,
SPA_AUDIO_CHANNEL_AUX33,
SPA_AUDIO_CHANNEL_AUX34,
SPA_AUDIO_CHANNEL_AUX35,
SPA_AUDIO_CHANNEL_AUX36,
SPA_AUDIO_CHANNEL_AUX37,
SPA_AUDIO_CHANNEL_AUX38,
SPA_AUDIO_CHANNEL_AUX39,
SPA_AUDIO_CHANNEL_AUX40,
SPA_AUDIO_CHANNEL_AUX41,
SPA_AUDIO_CHANNEL_AUX42,
SPA_AUDIO_CHANNEL_AUX43,
SPA_AUDIO_CHANNEL_AUX44,
SPA_AUDIO_CHANNEL_AUX45,
SPA_AUDIO_CHANNEL_AUX46,
SPA_AUDIO_CHANNEL_AUX47,
SPA_AUDIO_CHANNEL_AUX48,
SPA_AUDIO_CHANNEL_AUX49,
SPA_AUDIO_CHANNEL_AUX50,
SPA_AUDIO_CHANNEL_AUX51,
SPA_AUDIO_CHANNEL_AUX52,
SPA_AUDIO_CHANNEL_AUX53,
SPA_AUDIO_CHANNEL_AUX54,
SPA_AUDIO_CHANNEL_AUX55,
SPA_AUDIO_CHANNEL_AUX56,
SPA_AUDIO_CHANNEL_AUX57,
SPA_AUDIO_CHANNEL_AUX58,
SPA_AUDIO_CHANNEL_AUX59,
SPA_AUDIO_CHANNEL_AUX60,
SPA_AUDIO_CHANNEL_AUX61,
SPA_AUDIO_CHANNEL_AUX62,
SPA_AUDIO_CHANNEL_AUX63,
SPA_AUDIO_CHANNEL_LAST_Aux = 0x1fff, /**< aux channels */
SPA_AUDIO_CHANNEL_START_Custom = 0x10000,
};
/** Extra audio flags */
#define SPA_AUDIO_FLAG_NONE (0) /*< no valid flag */
#define SPA_AUDIO_FLAG_UNPOSITIONED (1 << 0) /*< the position array explicitly
* contains unpositioned channels. */
/** Audio information description */
struct spa_audio_info_raw {
enum spa_audio_format format; /*< format, one of enum spa_audio_format */
uint32_t flags; /*< extra flags */
uint32_t rate; /*< sample rate */
uint32_t channels; /*< number of channels */
uint32_t position[SPA_AUDIO_MAX_CHANNELS]; /*< channel position from enum spa_audio_channel */
};
#define SPA_AUDIO_INFO_RAW_INIT(...) (struct spa_audio_info_raw) { __VA_ARGS__ }
#define SPA_KEY_AUDIO_FORMAT "audio.format" /**< an audio format as string,
* Ex. "S16LE" */
#define SPA_KEY_AUDIO_CHANNEL "audio.channel" /**< an audio channel as string,
* Ex. "FL" */
#define SPA_KEY_AUDIO_CHANNELS "audio.channels" /**< an audio channel count as int */
#define SPA_KEY_AUDIO_RATE "audio.rate" /**< an audio sample rate as int */
#define SPA_KEY_AUDIO_POSITION "audio.position" /**< channel positions as comma separated list
* of channels ex. "FL,FR" */
#define SPA_KEY_AUDIO_ALLOWED_RATES "audio.allowed-rates" /**< a list of allowed samplerates
* ex. "[ 44100 48000 ]" */
struct spa_audio_info_dsp {
enum spa_audio_format format; /*< format, one of the DSP formats in enum spa_audio_format_dsp */
};
#define SPA_AUDIO_INFO_DSP_INIT(...) (struct spa_audio_info_dsp) { __VA_ARGS__ }
/**
* \}
*/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* SPA_AUDIO_RAW_H */
|
