/* * Copyright (c) 2016, The Linux Foundation. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * Neither the name of The Linux Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef ANDROID_INCLUDE_BT_AV_VENDOR_H #define ANDROID_INCLUDE_BT_AV_VENDOR_H #define BT_PROFILE_ADVANCED_AUDIO_VENDOR_ID "a2dp_vendor" #define BT_PROFILE_ADVANCED_AUDIO_SINK_VENDOR_ID "a2dp_sink_vendor" __BEGIN_DECLS #define A2DP_SINK_ENABLE_SBC_DECODING 0x01 #define A2DP_SINK_RETREIVE_RTP_HEADER 0x02 #define A2DP_SINK_ENABLE_DELAY_REPORTING 0X04 #define A2DP_SINK_ENABLE_NOTIFICATION_CB 0x08 #define A2DP_SRC_ENABLE_DELAY_REPORTING 0x01 #define A2DP_SRC_PUMP_ENCODED_DATA 0x02 #define A2DP_SINK_AUDIO_CODEC_SBC 0x00 #define A2DP_SINK_AUDIO_CODEC_MP3 0x01 #define A2DP_SINK_AUDIO_CODEC_AAC 0x02 #define A2DP_SINK_AUDIO_CODEC_ATRAC 0x04 #define A2DP_SINK_AUDIO_CODEC_APTX 0x08 #define A2DP_SINK_AUDIO_CODEC_PCM 0x40 #define A2DP_SOURCE_AUDIO_CODEC_SBC 0x00 #define A2DP_SOURCE_AUDIO_CODEC_APTX 0x08 /* SBC Codec Macros */ #define SBC_SAMP_FREQ_16 0x80 /* 16 Khz */ #define SBC_SAMP_FREQ_32 0x40 /* 32 Khz */ #define SBC_SAMP_FREQ_44 0x20 /* 44.1 Khz */ #define SBC_SAMP_FREQ_48 0x10 /* 48 Khz */ #define SBC_CH_MONO 0x08 /* Channel Mono */ #define SBC_CH_DUAL 0x04 /* Channel Dual */ #define SBC_CH_STEREO 0x02 /* Channel STEREO */ #define SBC_CH_JOINT 0x01 /* Channel DUAL STEREO */ #define SBC_BLOCKS_4 0x80 /* BLOCKS: 4 */ #define SBC_BLOCKS_8 0x40 /* BLOCKS: 8 */ #define SBC_BLOCKS_12 0x20 /* BLOCKS: 12 */ #define SBC_BLOCKS_16 0x10 /* BLOCKS: 16 */ #define SBC_SUBBAND_4 0x08 /* SUBBAND 4 */ #define SBC_SUBBAND_8 0x04 /* SUBBAND 8 */ #define SBC_ALLOC_SNR 0x02 /* ALLOCATION_MODE: SNR */ #define SBC_ALLOC_LOUDNESS 0x01 /* ALLOCATION_MODE: LOUDNESS */ #define SBC_MAX_BITPOOL 250 #define SBC_MIN_BITPOOL 2 /* AAC Codec Macros */ #define AAC_OBJ_TYPE_MPEG_2_AAC_LC 0x80 /* b7:MPEG-2 AAC LC */ #define AAC_OBJ_TYPE_MPEG_4_AAC_LC 0x40 /* b7:MPEG-4 AAC LC */ #define AAC_OBJ_TYPE_MPEG_4_AAC_LTP 0x20 /* b7:MPEG-4 AAC LTP */ #define AAC_OBJ_TYPE_MPEG_4_AAC_SCA 0x10 /* b7:MPEG-4 AAC SCALABLE */ #define AAC_SAMP_FREQ_8000 0x8000 /* b15: 8000 */ #define AAC_SAMP_FREQ_11025 0x4000 /* b15: 11025 */ #define AAC_SAMP_FREQ_12000 0x2000 /* b15: 12000 */ #define AAC_SAMP_FREQ_16000 0x1000 /* b15: 16000 */ #define AAC_SAMP_FREQ_22050 0x0800 /* b15: 22050 */ #define AAC_SAMP_FREQ_24000 0x0400 /* b15: 24000 */ #define AAC_SAMP_FREQ_32000 0x0200 /* b15: 32000 */ #define AAC_SAMP_FREQ_44100 0x0100 /* b15: 44100 */ #define AAC_SAMP_FREQ_48000 0x0080 /* b15: 48000 */ #define AAC_SAMP_FREQ_64000 0x0040 /* b15: 64000 */ #define AAC_SAMP_FREQ_88200 0x0020 /* b15: 88200 */ #define AAC_SAMP_FREQ_96000 0x0010 /* b15: 96000 */ #define AAC_CHANNELS_1 0x08 /* Channel 1 */ #define AAC_CHANNELS_2 0x04 /* Channel 2 */ /* MP3 Codec Macros */ #define MP3_LAYER_1 0x80 /* b7:MP1 */ #define MP3_LAYER_2 0x40 /* b6:MP2 */ #define MP3_LAYER_3 0x20 /* b5:MP3 */ #define MP3_CRC 0x10 /* b4:SUPPORTED */ #define MP3_CHANNEL_MONO 0x08 /* Channel MONO */ #define MP3_CHANNEL_DUAL 0x04 /* Channel DUAL */ #define MP3_CHANNEL_STEREO 0x02 /* Channel STEREO */ #define MP3_CHANNEL_JOINT_STEREO 0x01 /* Channel JOINT_STEREO */ #define MP3_MPF_2 0x40 /* b6:MPF2 supported, otwerwise 0 */ #define MP3_SAMP_FREQ_16000 0x20 /* b5: 16000 */ #define MP3_SAMP_FREQ_22050 0x10 /* b4: 22050 */ #define MP3_SAMP_FREQ_24000 0x08 /* b3: 24000 */ #define MP3_SAMP_FREQ_32000 0x04 /* b2: 32000 */ #define MP3_SAMP_FREQ_44100 0x02 /* b1: 441000 */ #define MP3_SAMP_FREQ_48000 0x01 /* b0: 48000 */ #define MP3_VBR 0x80 /* supported */ /* APTX Codec Macros */ #define APTX_SAMPLERATE_44100 0x20 #define APTX_SAMPLERATE_48000 0x10 #define APTX_CHANNELS_STEREO 0x02 #define APTX_CHANNELS_MONO 0x01 #define MAX_NUM_CODEC_CONFIGS 20 /* Packet type Macros */ #define EDR_2MBPS 0x01 #define EDR_3MBPS 0x02 typedef struct { uint8_t samp_freq; uint8_t ch_mode; uint8_t block_len; uint8_t num_subbands; uint8_t alloc_mthd; uint8_t max_bitpool; uint8_t min_bitpool; }btav_sbc_codec_config_t; typedef struct { uint8_t obj_type; uint16_t sampling_freq; uint8_t channel_count; uint32_t bit_rate; uint8_t vbr; // variable bit rate }btav_aac_codec_config_t; typedef struct { uint8_t layer; uint8_t crc; uint8_t channel_count; uint8_t mpf; uint8_t sampling_freq; uint8_t vbr; // variable bit rate uint16_t bit_rate; }btav_mp3_codec_config_t; typedef struct { uint32_t vendor_id; uint16_t codec_id; uint8_t channel_count; uint8_t sampling_freq; }btav_aptx_codec_config_t; typedef union { btav_sbc_codec_config_t sbc_config; btav_aac_codec_config_t aac_config; btav_mp3_codec_config_t mp3_config; btav_aptx_codec_config_t aptx_config; } btav_codec_config_t; typedef struct { uint8_t codec_type; btav_codec_config_t codec_config; } btav_codec_configuration_t; /** Callback for audio codec configuration change. * Used only for the A2DP sink interface. * codec_type: codec negotiated over A2DP link * codec_config: configuration parameters for which link is configured */ typedef void (* btav_audio_codec_config_vendor_callback)(bt_bdaddr_t *bd_addr, uint16_t codec_type, btav_codec_config_t codec_config); /** Vendor callback for connection priority of device for incoming connection * btav_connection_priority_t */ typedef void (* btav_connection_priority_vendor_callback)(bt_bdaddr_t *bd_addr); /** Vendor callback for updating apps for A2dp multicast state. */ typedef void (* btav_is_multicast_enabled_vendor_callback)(int state); /** Callback to notify reconfig a2dp when A2dp Soft Handoff is triggered */ typedef void(* btav_reconfig_a2dp_trigger_callback)(int reason, bt_bdaddr_t *bd_addr); /* * Vendor callback for audio focus request to be used only in * case of A2DP Sink. This is required because we are using * AudioTrack approach for audio data rendering. */ typedef void (* btav_audio_focus_request_vendor_callback)(bt_bdaddr_t *bd_addr); typedef void (* btav_delay_report_vendor_callback)(bt_bdaddr_t *bd_addr, uint16_t report_delay); typedef void (* btav_audio_data_read_vendor_callback)(bt_bdaddr_t *bd_addr); typedef void (*btav_mtu_packettype_config_vendor_callback)(uint16_t mtu,uint8_t packettype, bt_bdaddr_t *bd_addr); typedef void (*btav_audio_registration_vendor_callback)(bool state); /** BT-AV Vendor callback structure. */ typedef struct { /** set to sizeof(btav_vendor_callbacks_t) */ size_t size; btav_connection_priority_vendor_callback connection_priority_vendor_cb; btav_is_multicast_enabled_vendor_callback multicast_state_vendor_cb; btav_audio_focus_request_vendor_callback audio_focus_request_vendor_cb; btav_reconfig_a2dp_trigger_callback reconfig_a2dp_trigger_cb; btav_delay_report_vendor_callback delay_report_vendor_cb; btav_audio_codec_config_vendor_callback audio_codec_config_vendor_cb; btav_mtu_packettype_config_vendor_callback mtu_packettype_cb; btav_audio_registration_vendor_callback registration_vendor_cb; } btav_vendor_callbacks_t; typedef struct { /** set to sizeof(btav_sink_vendor_callbacks_t) */ size_t size; btav_audio_focus_request_vendor_callback audio_focus_request_vendor_cb; btav_audio_codec_config_vendor_callback audio_codec_config_vendor_cb; btav_audio_data_read_vendor_callback audio_data_read_vendor_cb; btav_audio_registration_vendor_callback registration_vendor_cb; } btav_sink_vendor_callbacks_t; /** Represents the standard BT-AV interface. * Used for both the A2DP source and sink interfaces. */ typedef struct { /** set to sizeof(btav_vendor_interface_t) */ size_t size; /** * Register the BtAvVendorcallbacks */ bt_status_t (*init_vendor)( btav_vendor_callbacks_t* callbacks , int max_a2dp_connections, int a2dp_multicast_state, uint8_t streaming_prarm, const char *offload_cap); /** Send priority of device to stack*/ void (*allow_connection_vendor)( int is_valid , bt_bdaddr_t *bd_addr); /** Sends Audio Focus State. */ void (*audio_focus_state_vendor)( int focus_state ); /** request config codec information **/ bool (*get_src_codec_config)(uint8_t *codecinfo , uint8_t *codectype); /** Request PCM sample. */ uint32_t (*get_pcm_data_vendor)( uint8_t* data, uint32_t size ); /** Closes the av vendor interface. */ void (*cleanup_vendor)( void ); /** Updates the supported codec by A2DP Source */ bt_status_t (*update_supported_codecs_param_vendor)( btav_codec_configuration_t *p_codec_config_list, uint8_t num_codec_configs); /** Starts A2DP stream. */ int (*start_stream)( bt_bdaddr_t *bd_addr); /** Sends encoded data. */ ssize_t (*btav_send_encoded_data_vendor)( bt_bdaddr_t *bd_addr, const void* buffer, size_t bytes, uint8_t codectype); /** Suspends A2DP stream. */ int (*suspend_stream)( bt_bdaddr_t *bd_addr); } btav_vendor_interface_t; /** Represents the standard BT-AV interface. * Used for A2DP sink interfaces. */ typedef struct { /** set to sizeof(btav_vendor_interface_t) */ size_t size; /** * Register the BtAvVendorcallbacks */ bt_status_t (*init_vendor)( btav_sink_vendor_callbacks_t* callbacks , int max_a2dp_connections, int a2dp_multicast_state, uint8_t streaming_prarm); /** Sends Audio Focus State. */ void (*audio_focus_state_vendor)( int focus_state, bt_bdaddr_t *bd_addr ); /** Request PCM sample. */ uint32_t (*get_a2dp_sink_streaming_data_vendor)( uint16_t codec_type, uint8_t* data, uint32_t size ); /** Send streaming device address to stack*/ void (*update_streaming_device_vendor)( bt_bdaddr_t *bd_addr); /** Send flushing device address to stack*/ void (*update_flushing_device_vendor)( bt_bdaddr_t *bd_addr); /** Closes the av vendor interface. */ void (*cleanup_vendor)( void ); /** Send decoding delay to stack during decoding non_SBC stream in LPASS */ void(*update_qahw_delay_vendor)(uint16_t aqhw_delay); /** Updates the supported codec by A2DP Sink */ bt_status_t (*update_supported_codecs_param_vendor)( btav_codec_configuration_t *p_codec_config_list, uint8_t num_codec_configs); } btav_sink_vendor_interface_t; __END_DECLS #endif /* ANDROID_INCLUDE_BT_AV_VENDOR_H */