diff options
Diffstat (limited to 'spa/plugins/bluez5/a2dp-codec-caps.h')
-rw-r--r-- | spa/plugins/bluez5/a2dp-codec-caps.h | 460 |
1 files changed, 460 insertions, 0 deletions
diff --git a/spa/plugins/bluez5/a2dp-codec-caps.h b/spa/plugins/bluez5/a2dp-codec-caps.h new file mode 100644 index 0000000..9f72592 --- /dev/null +++ b/spa/plugins/bluez5/a2dp-codec-caps.h @@ -0,0 +1,460 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2006-2010 Nokia Corporation + * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org> + * Copyright (C) 2018 Pali Rohár <pali.rohar@gmail.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifndef SPA_BLUEZ5_A2DP_CODEC_CAPS_H_ +#define SPA_BLUEZ5_A2DP_CODEC_CAPS_H_ + +#include <stdint.h> +#include <stddef.h> + +#define A2DP_CODEC_SBC 0x00 +#define A2DP_CODEC_MPEG12 0x01 +#define A2DP_CODEC_MPEG24 0x02 +#define A2DP_CODEC_ATRAC 0x03 +#define A2DP_CODEC_VENDOR 0xFF + +#define A2DP_MAX_CAPS_SIZE 254 + +/* customized 16-bit vendor extension */ +#define A2DP_CODEC_VENDOR_APTX 0x4FFF +#define A2DP_CODEC_VENDOR_LDAC 0x2DFF + +#define SBC_SAMPLING_FREQ_48000 (1 << 0) +#define SBC_SAMPLING_FREQ_44100 (1 << 1) +#define SBC_SAMPLING_FREQ_32000 (1 << 2) +#define SBC_SAMPLING_FREQ_16000 (1 << 3) + +#define SBC_CHANNEL_MODE_JOINT_STEREO (1 << 0) +#define SBC_CHANNEL_MODE_STEREO (1 << 1) +#define SBC_CHANNEL_MODE_DUAL_CHANNEL (1 << 2) +#define SBC_CHANNEL_MODE_MONO (1 << 3) + +#define SBC_BLOCK_LENGTH_16 (1 << 0) +#define SBC_BLOCK_LENGTH_12 (1 << 1) +#define SBC_BLOCK_LENGTH_8 (1 << 2) +#define SBC_BLOCK_LENGTH_4 (1 << 3) + +#define SBC_SUBBANDS_8 (1 << 0) +#define SBC_SUBBANDS_4 (1 << 1) + +#define SBC_ALLOCATION_LOUDNESS (1 << 0) +#define SBC_ALLOCATION_SNR (1 << 1) + +#define SBC_MIN_BITPOOL 2 +#define SBC_MAX_BITPOOL 64 + +#define MPEG_CHANNEL_MODE_JOINT_STEREO (1 << 0) +#define MPEG_CHANNEL_MODE_STEREO (1 << 1) +#define MPEG_CHANNEL_MODE_DUAL_CHANNEL (1 << 2) +#define MPEG_CHANNEL_MODE_MONO (1 << 3) + +#define MPEG_LAYER_MP3 (1 << 0) +#define MPEG_LAYER_MP2 (1 << 1) +#define MPEG_LAYER_MP1 (1 << 2) + +#define MPEG_SAMPLING_FREQ_48000 (1 << 0) +#define MPEG_SAMPLING_FREQ_44100 (1 << 1) +#define MPEG_SAMPLING_FREQ_32000 (1 << 2) +#define MPEG_SAMPLING_FREQ_24000 (1 << 3) +#define MPEG_SAMPLING_FREQ_22050 (1 << 4) +#define MPEG_SAMPLING_FREQ_16000 (1 << 5) + +#define MPEG_BIT_RATE_VBR 0x8000 +#define MPEG_BIT_RATE_320000 0x4000 +#define MPEG_BIT_RATE_256000 0x2000 +#define MPEG_BIT_RATE_224000 0x1000 +#define MPEG_BIT_RATE_192000 0x0800 +#define MPEG_BIT_RATE_160000 0x0400 +#define MPEG_BIT_RATE_128000 0x0200 +#define MPEG_BIT_RATE_112000 0x0100 +#define MPEG_BIT_RATE_96000 0x0080 +#define MPEG_BIT_RATE_80000 0x0040 +#define MPEG_BIT_RATE_64000 0x0020 +#define MPEG_BIT_RATE_56000 0x0010 +#define MPEG_BIT_RATE_48000 0x0008 +#define MPEG_BIT_RATE_40000 0x0004 +#define MPEG_BIT_RATE_32000 0x0002 +#define MPEG_BIT_RATE_FREE 0x0001 + +#define AAC_OBJECT_TYPE_MPEG2_AAC_LC 0x80 +#define AAC_OBJECT_TYPE_MPEG4_AAC_LC 0x40 +#define AAC_OBJECT_TYPE_MPEG4_AAC_LTP 0x20 +#define AAC_OBJECT_TYPE_MPEG4_AAC_SCA 0x10 + +#define AAC_SAMPLING_FREQ_8000 0x0800 +#define AAC_SAMPLING_FREQ_11025 0x0400 +#define AAC_SAMPLING_FREQ_12000 0x0200 +#define AAC_SAMPLING_FREQ_16000 0x0100 +#define AAC_SAMPLING_FREQ_22050 0x0080 +#define AAC_SAMPLING_FREQ_24000 0x0040 +#define AAC_SAMPLING_FREQ_32000 0x0020 +#define AAC_SAMPLING_FREQ_44100 0x0010 +#define AAC_SAMPLING_FREQ_48000 0x0008 +#define AAC_SAMPLING_FREQ_64000 0x0004 +#define AAC_SAMPLING_FREQ_88200 0x0002 +#define AAC_SAMPLING_FREQ_96000 0x0001 + +#define AAC_CHANNELS_1 0x02 +#define AAC_CHANNELS_2 0x01 + +#define AAC_GET_BITRATE(a) ((a).bitrate1 << 16 | \ + (a).bitrate2 << 8 | (a).bitrate3) +#define AAC_GET_FREQUENCY(a) ((a).frequency1 << 4 | (a).frequency2) + +#define AAC_SET_BITRATE(a, b) \ + do { \ + (a).bitrate1 = ((b) >> 16) & 0x7f; \ + (a).bitrate2 = ((b) >> 8) & 0xff; \ + (a).bitrate3 = (b) & 0xff; \ + } while (0) +#define AAC_SET_FREQUENCY(a, f) \ + do { \ + (a).frequency1 = ((f) >> 4) & 0xff; \ + (a).frequency2 = (f) & 0x0f; \ + } while (0) + +#define AAC_INIT_BITRATE(b) \ + .bitrate1 = ((b) >> 16) & 0x7f, \ + .bitrate2 = ((b) >> 8) & 0xff, \ + .bitrate3 = (b) & 0xff, +#define AAC_INIT_FREQUENCY(f) \ + .frequency1 = ((f) >> 4) & 0xff, \ + .frequency2 = (f) & 0x0f, + +#define APTX_VENDOR_ID 0x0000004f +#define APTX_CODEC_ID 0x0001 + +#define APTX_CHANNEL_MODE_MONO 0x01 +#define APTX_CHANNEL_MODE_STEREO 0x02 + +#define APTX_SAMPLING_FREQ_16000 0x08 +#define APTX_SAMPLING_FREQ_32000 0x04 +#define APTX_SAMPLING_FREQ_44100 0x02 +#define APTX_SAMPLING_FREQ_48000 0x01 + +#define APTX_HD_VENDOR_ID 0x000000D7 +#define APTX_HD_CODEC_ID 0x0024 + +#define APTX_HD_CHANNEL_MODE_MONO 0x1 +#define APTX_HD_CHANNEL_MODE_STEREO 0x2 + +#define APTX_HD_SAMPLING_FREQ_16000 0x8 +#define APTX_HD_SAMPLING_FREQ_32000 0x4 +#define APTX_HD_SAMPLING_FREQ_44100 0x2 +#define APTX_HD_SAMPLING_FREQ_48000 0x1 + +#define APTX_LL_VENDOR_ID 0x0000000a +#define APTX_LL_VENDOR_ID2 0x000000d7 +#define APTX_LL_CODEC_ID 0x0002 + +/** + * Default parameters for aptX LL (Sprint) encoder + */ +#define APTX_LL_TARGET_CODEC_LEVEL 180 /* target codec buffer level */ +#define APTX_LL_INITIAL_CODEC_LEVEL 360 /* initial codec buffer level */ +#define APTX_LL_SRA_MAX_RATE 50 /* x/10000 = 0.005 SRA rate */ +#define APTX_LL_SRA_AVG_TIME 1 /* SRA averaging time = 1s */ +#define APTX_LL_GOOD_WORKING_LEVEL 180 /* good working buffer level */ + +#define LDAC_VENDOR_ID 0x0000012d +#define LDAC_CODEC_ID 0x00aa + +#define LDAC_CHANNEL_MODE_MONO 0x04 +#define LDAC_CHANNEL_MODE_DUAL_CHANNEL 0x02 +#define LDAC_CHANNEL_MODE_STEREO 0x01 + +#define LDAC_SAMPLING_FREQ_44100 0x20 +#define LDAC_SAMPLING_FREQ_48000 0x10 +#define LDAC_SAMPLING_FREQ_88200 0x08 +#define LDAC_SAMPLING_FREQ_96000 0x04 +#define LDAC_SAMPLING_FREQ_176400 0x02 +#define LDAC_SAMPLING_FREQ_192000 0x01 + +#define FASTSTREAM_VENDOR_ID 0x0000000a +#define FASTSTREAM_CODEC_ID 0x0001 + +#define FASTSTREAM_DIRECTION_SINK 0x1 +#define FASTSTREAM_DIRECTION_SOURCE 0x2 + +#define FASTSTREAM_SINK_SAMPLING_FREQ_44100 0x2 +#define FASTSTREAM_SINK_SAMPLING_FREQ_48000 0x1 + +#define FASTSTREAM_SOURCE_SAMPLING_FREQ_16000 0x2 + +#define LC3PLUS_HR_GET_FRAME_DURATION(a) ((a).frame_duration & 0xf0) +#define LC3PLUS_HR_INIT_FRAME_DURATION(v) \ + .frame_duration = ((v) & 0xf0), +#define LC3PLUS_HR_SET_FRAME_DURATION(a, v) \ + do { \ + (a).frame_duration = ((v) & 0xf0); \ + } while (0) + +#define LC3PLUS_HR_GET_FREQUENCY(a) (((a).frequency1 << 8) | (a).frequency2) +#define LC3PLUS_HR_INIT_FREQUENCY(v) \ + .frequency1 = (((v) >> 8) & 0xff), \ + .frequency2 = ((v) & 0xff), +#define LC3PLUS_HR_SET_FREQUENCY(a, v) \ + do { \ + (a).frequency1 = ((v) >> 8) & 0xff; \ + (a).frequency2 = (v) & 0xff; \ + } while (0) + +#define LC3PLUS_HR_VENDOR_ID 0x000008a9 +#define LC3PLUS_HR_CODEC_ID 0x0001 + +#define LC3PLUS_HR_FRAME_DURATION_10MS (1 << 6) +#define LC3PLUS_HR_FRAME_DURATION_5MS (1 << 5) +#define LC3PLUS_HR_FRAME_DURATION_2_5MS (1 << 4) + +#define LC3PLUS_HR_CHANNELS_1 (1 << 7) +#define LC3PLUS_HR_CHANNELS_2 (1 << 6) + +#define LC3PLUS_HR_SAMPLING_FREQ_48000 (1 << 8) +#define LC3PLUS_HR_SAMPLING_FREQ_96000 (1 << 7) + +#define OPUS_05_VENDOR_ID 0x000005f1 +#define OPUS_05_CODEC_ID 0x1005 + +#define OPUS_05_MAPPING_FAMILY_0 (1 << 0) +#define OPUS_05_MAPPING_FAMILY_1 (1 << 1) +#define OPUS_05_MAPPING_FAMILY_255 (1 << 2) + +#define OPUS_05_FRAME_DURATION_25 (1 << 0) +#define OPUS_05_FRAME_DURATION_50 (1 << 1) +#define OPUS_05_FRAME_DURATION_100 (1 << 2) +#define OPUS_05_FRAME_DURATION_200 (1 << 3) +#define OPUS_05_FRAME_DURATION_400 (1 << 4) + +#define OPUS_05_GET_UINT16(a, field) \ + (((a).field ## 2 << 8) | (a).field ## 1) +#define OPUS_05_INIT_UINT16(field, v) \ + .field ## 1 = ((v) & 0xff), \ + .field ## 2 = (((v) >> 8) & 0xff), +#define OPUS_05_SET_UINT16(a, field, v) \ + do { \ + (a).field ## 1 = ((v) & 0xff); \ + (a).field ## 2 = (((v) >> 8) & 0xff); \ + } while (0) +#define OPUS_05_GET_UINT32(a, field) \ + (((a).field ## 4 << 24) | ((a).field ## 3 << 16) | \ + ((a).field ## 2 << 8) | (a).field ## 1) +#define OPUS_05_INIT_UINT32(field, v) \ + .field ## 1 = ((v) & 0xff), \ + .field ## 2 = (((v) >> 8) & 0xff), \ + .field ## 3 = (((v) >> 16) & 0xff), \ + .field ## 4 = (((v) >> 24) & 0xff), +#define OPUS_05_SET_UINT32(a, field, v) \ + do { \ + (a).field ## 1 = ((v) & 0xff); \ + (a).field ## 2 = (((v) >> 8) & 0xff); \ + (a).field ## 3 = (((v) >> 16) & 0xff); \ + (a).field ## 4 = (((v) >> 24) & 0xff); \ + } while (0) + +#define OPUS_05_GET_LOCATION(a) OPUS_05_GET_UINT32(a, location) +#define OPUS_05_INIT_LOCATION(v) OPUS_05_INIT_UINT32(location, v) +#define OPUS_05_SET_LOCATION(a, v) OPUS_05_SET_UINT32(a, location, v) + +#define OPUS_05_GET_BITRATE(a) OPUS_05_GET_UINT16(a, bitrate) +#define OPUS_05_INIT_BITRATE(v) OPUS_05_INIT_UINT16(bitrate, v) +#define OPUS_05_SET_BITRATE(a, v) OPUS_05_SET_UINT16(a, bitrate, v) + + +typedef struct { + uint32_t vendor_id; + uint16_t codec_id; +} __attribute__ ((packed)) a2dp_vendor_codec_t; + +typedef struct { + a2dp_vendor_codec_t info; + uint8_t frequency; + uint8_t channel_mode; +} __attribute__ ((packed)) a2dp_ldac_t; + +#if __BYTE_ORDER == __LITTLE_ENDIAN + +typedef struct { + uint8_t channel_mode:4; + uint8_t frequency:4; + uint8_t allocation_method:2; + uint8_t subbands:2; + uint8_t block_length:4; + uint8_t min_bitpool; + uint8_t max_bitpool; +} __attribute__ ((packed)) a2dp_sbc_t; + +typedef struct { + uint8_t channel_mode:4; + uint8_t crc:1; + uint8_t layer:3; + uint8_t frequency:6; + uint8_t mpf:1; + uint8_t rfa:1; + uint16_t bitrate; +} __attribute__ ((packed)) a2dp_mpeg_t; + +typedef struct { + uint8_t object_type; + uint8_t frequency1; + uint8_t rfa:2; + uint8_t channels:2; + uint8_t frequency2:4; + uint8_t bitrate1:7; + uint8_t vbr:1; + uint8_t bitrate2; + uint8_t bitrate3; +} __attribute__ ((packed)) a2dp_aac_t; + +typedef struct { + a2dp_vendor_codec_t info; + uint8_t channel_mode:4; + uint8_t frequency:4; +} __attribute__ ((packed)) a2dp_aptx_t; + +typedef struct { + a2dp_vendor_codec_t info; + uint8_t channel_mode:4; + uint8_t frequency:4; + uint32_t rfa; +} __attribute__ ((packed)) a2dp_aptx_hd_t; + +typedef struct { + a2dp_aptx_t aptx; + uint8_t bidirect_link:1; + uint8_t has_new_caps:1; + uint8_t reserved:6; +} __attribute__ ((packed)) a2dp_aptx_ll_t; + +typedef struct { + a2dp_vendor_codec_t info; + uint8_t direction; + uint8_t sink_frequency:4; + uint8_t source_frequency:4; +} __attribute__ ((packed)) a2dp_faststream_t; + +#elif __BYTE_ORDER == __BIG_ENDIAN + +typedef struct { + uint8_t frequency:4; + uint8_t channel_mode:4; + uint8_t block_length:4; + uint8_t subbands:2; + uint8_t allocation_method:2; + uint8_t min_bitpool; + uint8_t max_bitpool; +} __attribute__ ((packed)) a2dp_sbc_t; + +typedef struct { + uint8_t layer:3; + uint8_t crc:1; + uint8_t channel_mode:4; + uint8_t rfa:1; + uint8_t mpf:1; + uint8_t frequency:6; + uint16_t bitrate; +} __attribute__ ((packed)) a2dp_mpeg_t; + +typedef struct { + uint8_t object_type; + uint8_t frequency1; + uint8_t frequency2:4; + uint8_t channels:2; + uint8_t rfa:2; + uint8_t vbr:1; + uint8_t bitrate1:7; + uint8_t bitrate2; + uint8_t bitrate3; +} __attribute__ ((packed)) a2dp_aac_t; + +typedef struct { + a2dp_vendor_codec_t info; + uint8_t frequency:4; + uint8_t channel_mode:4; +} __attribute__ ((packed)) a2dp_aptx_t; + +typedef struct { + a2dp_vendor_codec_t info; + uint8_t frequency:4; + uint8_t channel_mode:4; + uint32_t rfa; +} __attribute__ ((packed)) a2dp_aptx_hd_t; + +typedef struct { + a2dp_aptx_t aptx; + uint8_t reserved:6; + uint8_t has_new_caps:1; + uint8_t bidirect_link:1; +} __attribute__ ((packed)) a2dp_aptx_ll_t; + +typedef struct { + a2dp_vendor_codec_t info; + uint8_t direction; + uint8_t source_frequency:4; + uint8_t sink_frequency:4; +} __attribute__ ((packed)) a2dp_faststream_t; + +#else +#error "Unknown byte order" +#endif + +typedef struct { + a2dp_aptx_ll_t base; + uint8_t reserved; + uint8_t target_level2; + uint8_t target_level1; + uint8_t initial_level2; + uint8_t initial_level1; + uint8_t sra_max_rate; + uint8_t sra_avg_time; + uint8_t good_working_level2; + uint8_t good_working_level1; +} __attribute__ ((packed)) a2dp_aptx_ll_ext_t; + +typedef struct { + a2dp_vendor_codec_t info; + uint8_t frame_duration; + uint8_t channels; + uint8_t frequency1; + uint8_t frequency2; +} __attribute__ ((packed)) a2dp_lc3plus_hr_t; + +typedef struct { + uint8_t channels; + uint8_t coupled_streams; + uint8_t location1; + uint8_t location2; + uint8_t location3; + uint8_t location4; + uint8_t frame_duration; + uint8_t bitrate1; + uint8_t bitrate2; +} __attribute__ ((packed)) a2dp_opus_05_direction_t; + +typedef struct { + a2dp_vendor_codec_t info; + a2dp_opus_05_direction_t main; + a2dp_opus_05_direction_t bidi; +} __attribute__ ((packed)) a2dp_opus_05_t; + +#endif |