343 lines
9.5 KiB
C
343 lines
9.5 KiB
C
/*
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* BlueALSA - bluez-a2dp.c
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* Copyright (c) 2016-2018 Arkadiusz Bokowy
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*
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* This file is a part of bluez-alsa.
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*
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* This project is licensed under the terms of the MIT license.
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*
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*/
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#if HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "bluez-a2dp.h"
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#include "shared/defs.h"
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static const a2dp_sbc_t a2dp_sbc = {
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.frequency =
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SBC_SAMPLING_FREQ_16000 |
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SBC_SAMPLING_FREQ_32000 |
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SBC_SAMPLING_FREQ_44100 |
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SBC_SAMPLING_FREQ_48000,
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.channel_mode =
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SBC_CHANNEL_MODE_MONO |
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SBC_CHANNEL_MODE_DUAL_CHANNEL |
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SBC_CHANNEL_MODE_STEREO |
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SBC_CHANNEL_MODE_JOINT_STEREO,
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.block_length =
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SBC_BLOCK_LENGTH_4 |
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SBC_BLOCK_LENGTH_8 |
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SBC_BLOCK_LENGTH_12 |
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SBC_BLOCK_LENGTH_16,
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.subbands =
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SBC_SUBBANDS_4 |
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SBC_SUBBANDS_8,
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.allocation_method =
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SBC_ALLOCATION_SNR |
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SBC_ALLOCATION_LOUDNESS,
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.min_bitpool = SBC_MIN_BITPOOL,
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.max_bitpool = SBC_MAX_BITPOOL,
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};
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static const struct bluez_a2dp_channel_mode a2dp_sbc_channels[] = {
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{ BLUEZ_A2DP_CHM_MONO, SBC_CHANNEL_MODE_MONO },
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{ BLUEZ_A2DP_CHM_DUAL_CHANNEL, SBC_CHANNEL_MODE_DUAL_CHANNEL },
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{ BLUEZ_A2DP_CHM_STEREO, SBC_CHANNEL_MODE_STEREO },
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{ BLUEZ_A2DP_CHM_JOINT_STEREO, SBC_CHANNEL_MODE_JOINT_STEREO },
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};
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static const struct bluez_a2dp_sampling_freq a2dp_sbc_samplings[] = {
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{ 16000, SBC_SAMPLING_FREQ_16000 },
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{ 32000, SBC_SAMPLING_FREQ_32000 },
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{ 44100, SBC_SAMPLING_FREQ_44100 },
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{ 48000, SBC_SAMPLING_FREQ_48000 },
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};
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static const a2dp_mpeg_t a2dp_mpeg = {
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.layer =
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MPEG_LAYER_MP1 |
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MPEG_LAYER_MP2 |
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MPEG_LAYER_MP3,
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.crc = 1,
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.channel_mode =
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MPEG_CHANNEL_MODE_MONO |
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MPEG_CHANNEL_MODE_DUAL_CHANNEL |
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MPEG_CHANNEL_MODE_STEREO |
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MPEG_CHANNEL_MODE_JOINT_STEREO,
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.mpf = 1,
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.frequency =
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MPEG_SAMPLING_FREQ_16000 |
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MPEG_SAMPLING_FREQ_22050 |
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MPEG_SAMPLING_FREQ_24000 |
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MPEG_SAMPLING_FREQ_32000 |
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MPEG_SAMPLING_FREQ_44100 |
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MPEG_SAMPLING_FREQ_48000,
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.bitrate =
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MPEG_BIT_RATE_VBR |
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MPEG_BIT_RATE_320000 |
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MPEG_BIT_RATE_256000 |
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MPEG_BIT_RATE_224000 |
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MPEG_BIT_RATE_192000 |
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MPEG_BIT_RATE_160000 |
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MPEG_BIT_RATE_128000 |
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MPEG_BIT_RATE_112000 |
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MPEG_BIT_RATE_96000 |
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MPEG_BIT_RATE_80000 |
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MPEG_BIT_RATE_64000 |
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MPEG_BIT_RATE_56000 |
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MPEG_BIT_RATE_48000 |
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MPEG_BIT_RATE_40000 |
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MPEG_BIT_RATE_32000 |
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MPEG_BIT_RATE_FREE,
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};
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static const struct bluez_a2dp_channel_mode a2dp_mpeg_channels[] = {
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{ BLUEZ_A2DP_CHM_MONO, MPEG_CHANNEL_MODE_MONO },
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{ BLUEZ_A2DP_CHM_DUAL_CHANNEL, MPEG_CHANNEL_MODE_DUAL_CHANNEL },
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{ BLUEZ_A2DP_CHM_STEREO, MPEG_CHANNEL_MODE_STEREO },
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{ BLUEZ_A2DP_CHM_JOINT_STEREO, MPEG_CHANNEL_MODE_JOINT_STEREO },
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};
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static const struct bluez_a2dp_sampling_freq a2dp_mpeg_samplings[] = {
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{ 16000, MPEG_SAMPLING_FREQ_16000 },
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{ 22050, MPEG_SAMPLING_FREQ_22050 },
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{ 24000, MPEG_SAMPLING_FREQ_24000 },
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{ 32000, MPEG_SAMPLING_FREQ_32000 },
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{ 44100, MPEG_SAMPLING_FREQ_44100 },
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{ 48000, MPEG_SAMPLING_FREQ_48000 },
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};
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static const a2dp_aac_t a2dp_aac = {
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.object_type =
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/* NOTE: AAC Long Term Prediction and AAC Scalable are
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* not supported by the FDK-AAC library. */
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AAC_OBJECT_TYPE_MPEG2_AAC_LC |
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AAC_OBJECT_TYPE_MPEG4_AAC_LC,
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AAC_INIT_FREQUENCY(
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AAC_SAMPLING_FREQ_8000 |
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AAC_SAMPLING_FREQ_11025 |
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AAC_SAMPLING_FREQ_12000 |
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AAC_SAMPLING_FREQ_16000 |
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AAC_SAMPLING_FREQ_22050 |
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AAC_SAMPLING_FREQ_24000 |
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AAC_SAMPLING_FREQ_32000 |
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AAC_SAMPLING_FREQ_44100 |
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AAC_SAMPLING_FREQ_48000 |
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AAC_SAMPLING_FREQ_64000 |
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AAC_SAMPLING_FREQ_88200 |
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AAC_SAMPLING_FREQ_96000)
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.channels =
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AAC_CHANNELS_1 |
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AAC_CHANNELS_2,
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.vbr = 1,
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AAC_INIT_BITRATE(320000)
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};
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static const struct bluez_a2dp_channel_mode a2dp_aac_channels[] = {
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{ BLUEZ_A2DP_CHM_MONO, AAC_CHANNELS_1 },
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{ BLUEZ_A2DP_CHM_STEREO, AAC_CHANNELS_2 },
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};
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static const struct bluez_a2dp_sampling_freq a2dp_aac_samplings[] = {
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{ 8000, AAC_SAMPLING_FREQ_8000 },
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{ 11025, AAC_SAMPLING_FREQ_11025 },
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{ 12000, AAC_SAMPLING_FREQ_12000 },
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{ 16000, AAC_SAMPLING_FREQ_16000 },
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{ 22050, AAC_SAMPLING_FREQ_22050 },
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{ 24000, AAC_SAMPLING_FREQ_24000 },
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{ 32000, AAC_SAMPLING_FREQ_32000 },
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{ 44100, AAC_SAMPLING_FREQ_44100 },
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{ 48000, AAC_SAMPLING_FREQ_48000 },
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{ 64000, AAC_SAMPLING_FREQ_64000 },
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{ 88200, AAC_SAMPLING_FREQ_88200 },
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{ 96000, AAC_SAMPLING_FREQ_96000 },
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};
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static const a2dp_aptx_t a2dp_aptx = {
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.info.vendor_id = APTX_VENDOR_ID,
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.info.codec_id = APTX_CODEC_ID,
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.channel_mode =
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/* NOTE: Used apt-X library does not support
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* single channel (mono) mode. */
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APTX_CHANNEL_MODE_STEREO,
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.frequency =
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APTX_SAMPLING_FREQ_16000 |
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APTX_SAMPLING_FREQ_32000 |
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APTX_SAMPLING_FREQ_44100 |
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APTX_SAMPLING_FREQ_48000,
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};
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static const struct bluez_a2dp_channel_mode a2dp_aptx_channels[] = {
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{ BLUEZ_A2DP_CHM_STEREO, APTX_CHANNEL_MODE_STEREO },
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};
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static const struct bluez_a2dp_sampling_freq a2dp_aptx_samplings[] = {
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{ 16000, APTX_SAMPLING_FREQ_16000 },
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{ 32000, APTX_SAMPLING_FREQ_32000 },
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{ 44100, APTX_SAMPLING_FREQ_44100 },
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{ 48000, APTX_SAMPLING_FREQ_48000 },
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};
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static const a2dp_ldac_t a2dp_ldac = {
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.info.vendor_id = LDAC_VENDOR_ID,
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.info.codec_id = LDAC_CODEC_ID,
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.channel_mode =
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LDAC_CHANNEL_MODE_MONO |
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LDAC_CHANNEL_MODE_DUAL_CHANNEL |
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LDAC_CHANNEL_MODE_STEREO,
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.frequency =
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/* NOTE: Used LDAC library does not support
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* frequencies higher than 96 kHz. */
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LDAC_SAMPLING_FREQ_44100 |
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LDAC_SAMPLING_FREQ_48000 |
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LDAC_SAMPLING_FREQ_88200 |
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LDAC_SAMPLING_FREQ_96000,
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};
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static const struct bluez_a2dp_channel_mode a2dp_ldac_channels[] = {
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{ BLUEZ_A2DP_CHM_MONO, LDAC_CHANNEL_MODE_MONO },
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{ BLUEZ_A2DP_CHM_DUAL_CHANNEL, LDAC_CHANNEL_MODE_DUAL_CHANNEL },
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{ BLUEZ_A2DP_CHM_STEREO, LDAC_CHANNEL_MODE_STEREO },
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};
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static const struct bluez_a2dp_sampling_freq a2dp_ldac_samplings[] = {
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{ 44100, LDAC_SAMPLING_FREQ_44100 },
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{ 48000, LDAC_SAMPLING_FREQ_48000 },
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{ 88200, LDAC_SAMPLING_FREQ_88200 },
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{ 96000, LDAC_SAMPLING_FREQ_96000 },
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};
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static const struct bluez_a2dp_codec a2dp_codec_source_sbc = {
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.dir = BLUEZ_A2DP_SOURCE,
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.id = A2DP_CODEC_SBC,
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.cfg = &a2dp_sbc,
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.cfg_size = sizeof(a2dp_sbc),
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.channels = a2dp_sbc_channels,
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.channels_size = ARRAYSIZE(a2dp_sbc_channels),
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.samplings = a2dp_sbc_samplings,
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.samplings_size = ARRAYSIZE(a2dp_sbc_samplings),
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};
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static const struct bluez_a2dp_codec a2dp_codec_sink_sbc = {
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.dir = BLUEZ_A2DP_SINK,
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.id = A2DP_CODEC_SBC,
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.cfg = &a2dp_sbc,
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.cfg_size = sizeof(a2dp_sbc),
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.channels = a2dp_sbc_channels,
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.channels_size = ARRAYSIZE(a2dp_sbc_channels),
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.samplings = a2dp_sbc_samplings,
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.samplings_size = ARRAYSIZE(a2dp_sbc_samplings),
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};
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static const struct bluez_a2dp_codec a2dp_codec_source_mpeg = {
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.dir = BLUEZ_A2DP_SOURCE,
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.id = A2DP_CODEC_MPEG12,
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.cfg = &a2dp_mpeg,
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.cfg_size = sizeof(a2dp_mpeg),
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.channels = a2dp_mpeg_channels,
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.channels_size = ARRAYSIZE(a2dp_mpeg_channels),
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.samplings = a2dp_mpeg_samplings,
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.samplings_size = ARRAYSIZE(a2dp_mpeg_samplings),
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};
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static const struct bluez_a2dp_codec a2dp_codec_sink_mpeg = {
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.dir = BLUEZ_A2DP_SINK,
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.id = A2DP_CODEC_MPEG12,
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.cfg = &a2dp_mpeg,
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.cfg_size = sizeof(a2dp_mpeg),
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.channels = a2dp_mpeg_channels,
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.channels_size = ARRAYSIZE(a2dp_mpeg_channels),
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.samplings = a2dp_mpeg_samplings,
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.samplings_size = ARRAYSIZE(a2dp_mpeg_samplings),
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};
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static const struct bluez_a2dp_codec a2dp_codec_source_aac = {
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.dir = BLUEZ_A2DP_SOURCE,
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.id = A2DP_CODEC_MPEG24,
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.cfg = &a2dp_aac,
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.cfg_size = sizeof(a2dp_aac),
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.channels = a2dp_aac_channels,
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.channels_size = ARRAYSIZE(a2dp_aac_channels),
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.samplings = a2dp_aac_samplings,
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.samplings_size = ARRAYSIZE(a2dp_aac_samplings),
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};
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static const struct bluez_a2dp_codec a2dp_codec_sink_aac = {
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.dir = BLUEZ_A2DP_SINK,
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.id = A2DP_CODEC_MPEG24,
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.cfg = &a2dp_aac,
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.cfg_size = sizeof(a2dp_aac),
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.channels = a2dp_aac_channels,
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.channels_size = ARRAYSIZE(a2dp_aac_channels),
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.samplings = a2dp_aac_samplings,
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.samplings_size = ARRAYSIZE(a2dp_aac_samplings),
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};
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static const struct bluez_a2dp_codec a2dp_codec_source_aptx = {
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.dir = BLUEZ_A2DP_SOURCE,
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.id = A2DP_CODEC_VENDOR_APTX,
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.cfg = &a2dp_aptx,
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.cfg_size = sizeof(a2dp_aptx),
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.channels = a2dp_aptx_channels,
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.channels_size = ARRAYSIZE(a2dp_aptx_channels),
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.samplings = a2dp_aptx_samplings,
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.samplings_size = ARRAYSIZE(a2dp_aptx_samplings),
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};
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static const struct bluez_a2dp_codec a2dp_codec_sink_aptx = {
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.dir = BLUEZ_A2DP_SINK,
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.id = A2DP_CODEC_VENDOR_APTX,
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.cfg = &a2dp_aptx,
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.cfg_size = sizeof(a2dp_aptx),
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.channels = a2dp_aptx_channels,
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.channels_size = ARRAYSIZE(a2dp_aptx_channels),
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.samplings = a2dp_aptx_samplings,
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.samplings_size = ARRAYSIZE(a2dp_aptx_samplings),
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};
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static const struct bluez_a2dp_codec a2dp_codec_source_ldac = {
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.dir = BLUEZ_A2DP_SOURCE,
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.id = A2DP_CODEC_VENDOR_LDAC,
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.cfg = &a2dp_ldac,
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.cfg_size = sizeof(a2dp_ldac),
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.channels = a2dp_ldac_channels,
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.channels_size = ARRAYSIZE(a2dp_ldac_channels),
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.samplings = a2dp_ldac_samplings,
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.samplings_size = ARRAYSIZE(a2dp_ldac_samplings),
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};
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static const struct bluez_a2dp_codec a2dp_codec_sink_ldac = {
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.dir = BLUEZ_A2DP_SINK,
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.id = A2DP_CODEC_VENDOR_LDAC,
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.cfg = &a2dp_ldac,
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.cfg_size = sizeof(a2dp_ldac),
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.channels = a2dp_ldac_channels,
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.channels_size = ARRAYSIZE(a2dp_ldac_channels),
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.samplings = a2dp_ldac_samplings,
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.samplings_size = ARRAYSIZE(a2dp_ldac_samplings),
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};
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static const struct bluez_a2dp_codec *a2dp_codecs[] = {
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#if ENABLE_LDAC
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&a2dp_codec_source_ldac,
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#endif
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#if ENABLE_APTX
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&a2dp_codec_source_aptx,
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#endif
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#if ENABLE_AAC
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&a2dp_codec_source_aac,
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&a2dp_codec_sink_aac,
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#endif
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#if ENABLE_MPEG
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&a2dp_codec_source_mpeg,
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&a2dp_codec_sink_mpeg,
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#endif
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&a2dp_codec_source_sbc,
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&a2dp_codec_sink_sbc,
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NULL,
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};
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const struct bluez_a2dp_codec **bluez_a2dp_codecs = a2dp_codecs;
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