X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Fmodules%2Fbluetooth%2Fmodule-bluetooth-device.c;h=ad68cfac947dcf1aea211e9f906a3bcd675ff4e7;hb=55b5cff4cdb6651cafa8fcbbcab226adaa7c07b0;hp=5f119c7a1ab5d3e01dbc0ad157072fb7febfd925;hpb=3ecb80e19ab9aa678b7db6a5068553d956d707fa;p=profile%2Fivi%2Fpulseaudio-panda.git diff --git a/src/modules/bluetooth/module-bluetooth-device.c b/src/modules/bluetooth/module-bluetooth-device.c index 5f119c7..ad68cfa 100644 --- a/src/modules/bluetooth/module-bluetooth-device.c +++ b/src/modules/bluetooth/module-bluetooth-device.c @@ -1,7 +1,8 @@ /*** This file is part of PulseAudio. - Copyright 2008 Joao Paulo Rechi Vita + Copyright 2008-2009 Joao Paulo Rechi Vita + Copyright 2011-2012 BMW Car IT GmbH. PulseAudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as @@ -25,25 +26,25 @@ #include #include -#include -#include #include #include -#include #include #include #include #include +#include #include #include #include #include #include +#include #include #include #include +#include #include #include #include @@ -52,11 +53,13 @@ #include "module-bluetooth-device-symdef.h" #include "ipc.h" #include "sbc.h" +#include "a2dp-codecs.h" #include "rtp.h" #include "bluetooth-util.h" -#define MAX_BITPOOL 64 -#define MIN_BITPOOL 2U +#define BITPOOL_DEC_LIMIT 32 +#define BITPOOL_DEC_STEP 5 +#define HSP_MAX_GAIN 15 PA_MODULE_AUTHOR("Joao Paulo Rechi Vita"); PA_MODULE_DESCRIPTION("Bluetooth audio sink and source"); @@ -71,17 +74,13 @@ PA_MODULE_USAGE( "source_name= " "source_properties= " "address=
" - "profile= " + "profile= " "rate= " "channels= " - "path="); - -/* -#ifdef NOKIA + "path= " + "auto_connect= " "sco_sink= " - "sco_source=" -#endif -*/ + "sco_source="); /* TODO: not close fd when entering suspend mode in a2dp */ @@ -98,10 +97,9 @@ static const char* const valid_modargs[] = { "rate", "channels", "path", -#ifdef NOKIA + "auto_connect", "sco_sink", "sco_source", -#endif NULL }; @@ -115,31 +113,41 @@ struct a2dp_info { size_t buffer_size; /* Size of the buffer */ uint16_t seq_num; /* Cumulative packet sequence */ + uint8_t min_bitpool; + uint8_t max_bitpool; }; struct hsp_info { pcm_capabilities_t pcm_capabilities; -#ifdef NOKIA pa_sink *sco_sink; + void (*sco_sink_set_volume)(pa_sink *s); pa_source *sco_source; -#endif + void (*sco_source_set_volume)(pa_source *s); pa_hook_slot *sink_state_changed_slot; pa_hook_slot *source_state_changed_slot; + pa_hook_slot *nrec_changed_slot; }; -enum profile { - PROFILE_A2DP, - PROFILE_HSP, - PROFILE_OFF +struct bluetooth_msg { + pa_msgobject parent; + pa_card *card; }; +typedef struct bluetooth_msg bluetooth_msg; +PA_DEFINE_PRIVATE_CLASS(bluetooth_msg, pa_msgobject); +#define BLUETOOTH_MSG(o) (bluetooth_msg_cast(o)) + struct userdata { pa_core *core; pa_module *module; char *address; char *path; + char *transport; + char *accesstype; + pa_bluetooth_discovery *discovery; + pa_bool_t auto_connect; pa_dbus_connection *connection; @@ -151,6 +159,7 @@ struct userdata { pa_rtpoll *rtpoll; pa_rtpoll_item *rtpoll_item; pa_thread *thread; + bluetooth_msg *msg; uint64_t read_index, write_index; pa_usec_t started_at; @@ -160,11 +169,13 @@ struct userdata { pa_sample_spec sample_spec, requested_sample_spec; - int service_fd; int stream_fd; - size_t link_mtu; - size_t block_size; + size_t read_link_mtu; + size_t read_block_size; + + size_t write_link_mtu; + size_t write_block_size; struct a2dp_info a2dp; struct hsp_info hsp; @@ -174,581 +185,104 @@ struct userdata { pa_modargs *modargs; int stream_write_type; - int service_write_type, service_read_type; + + pa_bool_t filter_added; +}; + +enum { + BLUETOOTH_MESSAGE_IO_THREAD_FAILED, + BLUETOOTH_MESSAGE_MAX }; #define FIXED_LATENCY_PLAYBACK_A2DP (25*PA_USEC_PER_MSEC) +#define FIXED_LATENCY_RECORD_A2DP (25*PA_USEC_PER_MSEC) #define FIXED_LATENCY_PLAYBACK_HSP (125*PA_USEC_PER_MSEC) #define FIXED_LATENCY_RECORD_HSP (25*PA_USEC_PER_MSEC) #define MAX_PLAYBACK_CATCH_UP_USEC (100*PA_USEC_PER_MSEC) -#ifdef NOKIA #define USE_SCO_OVER_PCM(u) (u->profile == PROFILE_HSP && (u->hsp.sco_sink && u->hsp.sco_source)) -#endif -static int init_bt(struct userdata *u); static int init_profile(struct userdata *u); -static int service_send(struct userdata *u, const bt_audio_msg_header_t *msg) { - ssize_t r; - - pa_assert(u); - pa_assert(u->service_fd >= 0); - pa_assert(msg); - pa_assert(msg->length > 0); - - pa_log_debug("Sending %s -> %s", - pa_strnull(bt_audio_strtype(msg->type)), - pa_strnull(bt_audio_strname(msg->name))); - - if ((r = pa_loop_write(u->service_fd, msg, msg->length, &u->service_write_type)) == (ssize_t) msg->length) - return 0; - - if (r < 0) - pa_log_error("Error sending data to audio service: %s", pa_cstrerror(errno)); - else - pa_log_error("Short write()"); - - return -1; -} - -static int service_recv(struct userdata *u, bt_audio_msg_header_t *msg, size_t room) { - ssize_t r; - - pa_assert(u); - pa_assert(u->service_fd >= 0); - pa_assert(msg); - - if (room <= 0) - room = BT_SUGGESTED_BUFFER_SIZE; - - pa_log_debug("Trying to receive message from audio service..."); - - /* First, read the header */ - if ((r = pa_loop_read(u->service_fd, msg, sizeof(*msg), &u->service_read_type)) != sizeof(*msg)) - goto read_fail; - - if (msg->length < sizeof(*msg)) { - pa_log_error("Invalid message size."); - return -1; - } - - /* Secondly, read the payload */ - if (msg->length > sizeof(*msg)) { - - size_t remains = msg->length - sizeof(*msg); - - if ((r = pa_loop_read(u->service_fd, - (uint8_t*) msg + sizeof(*msg), - remains, - &u->service_read_type)) != (ssize_t) remains) - goto read_fail; - } - - pa_log_debug("Received %s <- %s", - pa_strnull(bt_audio_strtype(msg->type)), - pa_strnull(bt_audio_strname(msg->name))); - - return 0; - -read_fail: - - if (r < 0) - pa_log_error("Error receiving data from audio service: %s", pa_cstrerror(errno)); - else - pa_log_error("Short read()"); - - return -1; -} - -static ssize_t service_expect(struct userdata*u, bt_audio_msg_header_t *rsp, size_t room, uint8_t expected_name, size_t expected_size) { - int r; - - pa_assert(u); - pa_assert(u->service_fd >= 0); - pa_assert(rsp); - - if ((r = service_recv(u, rsp, room)) < 0) - return r; - - if ((rsp->type != BT_INDICATION && rsp->type != BT_RESPONSE) || - rsp->name != expected_name || - (expected_size > 0 && rsp->length != expected_size)) { - - if (rsp->type == BT_ERROR && rsp->length == sizeof(bt_audio_error_t)) - pa_log_error("Received error condition: %s", pa_cstrerror(((bt_audio_error_t*) rsp)->posix_errno)); - else - pa_log_error("Bogus message %s received while %s was expected", - pa_strnull(bt_audio_strname(rsp->name)), - pa_strnull(bt_audio_strname(expected_name))); - return -1; - } - - return 0; -} - -/* Run from main thread */ -static int parse_caps(struct userdata *u, uint8_t seid, const struct bt_get_capabilities_rsp *rsp) { - uint16_t bytes_left; - const codec_capabilities_t *codec; - - pa_assert(u); - pa_assert(rsp); - - bytes_left = rsp->h.length - sizeof(*rsp); - - if (bytes_left < sizeof(codec_capabilities_t)) { - pa_log_error("Packet too small to store codec information."); - return -1; - } - - codec = (codec_capabilities_t *) rsp->data; /** ALIGNMENT? **/ - - pa_log_debug("Payload size is %lu %lu", (unsigned long) bytes_left, (unsigned long) sizeof(*codec)); - - if ((u->profile == PROFILE_A2DP && codec->transport != BT_CAPABILITIES_TRANSPORT_A2DP) || - (u->profile == PROFILE_HSP && codec->transport != BT_CAPABILITIES_TRANSPORT_SCO)) { - pa_log_error("Got capabilities for wrong codec."); - return -1; - } - - if (u->profile == PROFILE_HSP) { - - if (bytes_left <= 0 || codec->length != sizeof(u->hsp.pcm_capabilities)) - return -1; - - pa_assert(codec->type == BT_HFP_CODEC_PCM); - - if (codec->configured && seid == 0) - return codec->seid; - - memcpy(&u->hsp.pcm_capabilities, codec, sizeof(u->hsp.pcm_capabilities)); - - } else if (u->profile == PROFILE_A2DP) { - - while (bytes_left > 0) { - if ((codec->type == BT_A2DP_SBC_SINK) && !codec->lock) - break; - - bytes_left -= codec->length; - codec = (const codec_capabilities_t*) ((const uint8_t*) codec + codec->length); - } - - if (bytes_left <= 0 || codec->length != sizeof(u->a2dp.sbc_capabilities)) - return -1; - - pa_assert(codec->type == BT_A2DP_SBC_SINK); - - if (codec->configured && seid == 0) - return codec->seid; - - memcpy(&u->a2dp.sbc_capabilities, codec, sizeof(u->a2dp.sbc_capabilities)); - } - - return 0; -} - -/* Run from main thread */ -static int get_caps(struct userdata *u, uint8_t seid) { - union { - struct bt_get_capabilities_req getcaps_req; - struct bt_get_capabilities_rsp getcaps_rsp; - bt_audio_error_t error; - uint8_t buf[BT_SUGGESTED_BUFFER_SIZE]; - } msg; - int ret; - - pa_assert(u); - - memset(&msg, 0, sizeof(msg)); - msg.getcaps_req.h.type = BT_REQUEST; - msg.getcaps_req.h.name = BT_GET_CAPABILITIES; - msg.getcaps_req.h.length = sizeof(msg.getcaps_req); - msg.getcaps_req.seid = seid; - - pa_strlcpy(msg.getcaps_req.object, u->path, sizeof(msg.getcaps_req.object)); - if (u->profile == PROFILE_A2DP) - msg.getcaps_req.transport = BT_CAPABILITIES_TRANSPORT_A2DP; - else { - pa_assert(u->profile == PROFILE_HSP); - msg.getcaps_req.transport = BT_CAPABILITIES_TRANSPORT_SCO; - } - msg.getcaps_req.flags = BT_FLAG_AUTOCONNECT; - - if (service_send(u, &msg.getcaps_req.h) < 0) - return -1; - - if (service_expect(u, &msg.getcaps_rsp.h, sizeof(msg), BT_GET_CAPABILITIES, 0) < 0) - return -1; - - ret = parse_caps(u, seid, &msg.getcaps_rsp); - if (ret <= 0) - return ret; - - return get_caps(u, ret); -} - -/* Run from main thread */ -static uint8_t a2dp_default_bitpool(uint8_t freq, uint8_t mode) { - - switch (freq) { - case BT_SBC_SAMPLING_FREQ_16000: - case BT_SBC_SAMPLING_FREQ_32000: - return 53; - - case BT_SBC_SAMPLING_FREQ_44100: - - switch (mode) { - case BT_A2DP_CHANNEL_MODE_MONO: - case BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL: - return 31; - - case BT_A2DP_CHANNEL_MODE_STEREO: - case BT_A2DP_CHANNEL_MODE_JOINT_STEREO: - return 53; - - default: - pa_log_warn("Invalid channel mode %u", mode); - return 53; - } - - case BT_SBC_SAMPLING_FREQ_48000: - - switch (mode) { - case BT_A2DP_CHANNEL_MODE_MONO: - case BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL: - return 29; - - case BT_A2DP_CHANNEL_MODE_STEREO: - case BT_A2DP_CHANNEL_MODE_JOINT_STEREO: - return 51; - - default: - pa_log_warn("Invalid channel mode %u", mode); - return 51; - } - - default: - pa_log_warn("Invalid sampling freq %u", freq); - return 53; - } -} - -/* Run from main thread */ -static int setup_a2dp(struct userdata *u) { - sbc_capabilities_t *cap; - int i; - - static const struct { - uint32_t rate; - uint8_t cap; - } freq_table[] = { - { 16000U, BT_SBC_SAMPLING_FREQ_16000 }, - { 32000U, BT_SBC_SAMPLING_FREQ_32000 }, - { 44100U, BT_SBC_SAMPLING_FREQ_44100 }, - { 48000U, BT_SBC_SAMPLING_FREQ_48000 } - }; +/* from IO thread */ +static void a2dp_set_bitpool(struct userdata *u, uint8_t bitpool) +{ + struct a2dp_info *a2dp; pa_assert(u); - pa_assert(u->profile == PROFILE_A2DP); - - cap = &u->a2dp.sbc_capabilities; - - /* Find the lowest freq that is at least as high as the requested - * sampling rate */ - for (i = 0; (unsigned) i < PA_ELEMENTSOF(freq_table); i++) - if (freq_table[i].rate >= u->sample_spec.rate && (cap->frequency & freq_table[i].cap)) { - u->sample_spec.rate = freq_table[i].rate; - cap->frequency = freq_table[i].cap; - break; - } - - if ((unsigned) i == PA_ELEMENTSOF(freq_table)) { - for (--i; i >= 0; i--) { - if (cap->frequency & freq_table[i].cap) { - u->sample_spec.rate = freq_table[i].rate; - cap->frequency = freq_table[i].cap; - break; - } - } - - if (i < 0) { - pa_log("Not suitable sample rate"); - return -1; - } - } - - pa_assert((unsigned) i < PA_ELEMENTSOF(freq_table)); - - if (cap->capability.configured) - return 0; - - if (u->sample_spec.channels <= 1) { - if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_MONO) { - cap->channel_mode = BT_A2DP_CHANNEL_MODE_MONO; - u->sample_spec.channels = 1; - } else - u->sample_spec.channels = 2; - } - - if (u->sample_spec.channels >= 2) { - u->sample_spec.channels = 2; - - if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_JOINT_STEREO) - cap->channel_mode = BT_A2DP_CHANNEL_MODE_JOINT_STEREO; - else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_STEREO) - cap->channel_mode = BT_A2DP_CHANNEL_MODE_STEREO; - else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL) - cap->channel_mode = BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL; - else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_MONO) { - cap->channel_mode = BT_A2DP_CHANNEL_MODE_MONO; - u->sample_spec.channels = 1; - } else { - pa_log("No supported channel modes"); - return -1; - } - } - if (cap->block_length & BT_A2DP_BLOCK_LENGTH_16) - cap->block_length = BT_A2DP_BLOCK_LENGTH_16; - else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_12) - cap->block_length = BT_A2DP_BLOCK_LENGTH_12; - else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_8) - cap->block_length = BT_A2DP_BLOCK_LENGTH_8; - else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_4) - cap->block_length = BT_A2DP_BLOCK_LENGTH_4; - else { - pa_log_error("No supported block lengths"); - return -1; - } - - if (cap->subbands & BT_A2DP_SUBBANDS_8) - cap->subbands = BT_A2DP_SUBBANDS_8; - else if (cap->subbands & BT_A2DP_SUBBANDS_4) - cap->subbands = BT_A2DP_SUBBANDS_4; - else { - pa_log_error("No supported subbands"); - return -1; - } - - if (cap->allocation_method & BT_A2DP_ALLOCATION_LOUDNESS) - cap->allocation_method = BT_A2DP_ALLOCATION_LOUDNESS; - else if (cap->allocation_method & BT_A2DP_ALLOCATION_SNR) - cap->allocation_method = BT_A2DP_ALLOCATION_SNR; - - cap->min_bitpool = (uint8_t) PA_MAX(MIN_BITPOOL, cap->min_bitpool); - cap->max_bitpool = (uint8_t) PA_MIN(a2dp_default_bitpool(cap->frequency, cap->channel_mode), cap->max_bitpool); - - return 0; -} - -/* Run from main thread */ -static void setup_sbc(struct a2dp_info *a2dp) { - sbc_capabilities_t *active_capabilities; - - pa_assert(a2dp); - - active_capabilities = &a2dp->sbc_capabilities; - - if (a2dp->sbc_initialized) - sbc_reinit(&a2dp->sbc, 0); - else - sbc_init(&a2dp->sbc, 0); - a2dp->sbc_initialized = TRUE; - - switch (active_capabilities->frequency) { - case BT_SBC_SAMPLING_FREQ_16000: - a2dp->sbc.frequency = SBC_FREQ_16000; - break; - case BT_SBC_SAMPLING_FREQ_32000: - a2dp->sbc.frequency = SBC_FREQ_32000; - break; - case BT_SBC_SAMPLING_FREQ_44100: - a2dp->sbc.frequency = SBC_FREQ_44100; - break; - case BT_SBC_SAMPLING_FREQ_48000: - a2dp->sbc.frequency = SBC_FREQ_48000; - break; - default: - pa_assert_not_reached(); - } - - switch (active_capabilities->channel_mode) { - case BT_A2DP_CHANNEL_MODE_MONO: - a2dp->sbc.mode = SBC_MODE_MONO; - break; - case BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL: - a2dp->sbc.mode = SBC_MODE_DUAL_CHANNEL; - break; - case BT_A2DP_CHANNEL_MODE_STEREO: - a2dp->sbc.mode = SBC_MODE_STEREO; - break; - case BT_A2DP_CHANNEL_MODE_JOINT_STEREO: - a2dp->sbc.mode = SBC_MODE_JOINT_STEREO; - break; - default: - pa_assert_not_reached(); - } + a2dp = &u->a2dp; - switch (active_capabilities->allocation_method) { - case BT_A2DP_ALLOCATION_SNR: - a2dp->sbc.allocation = SBC_AM_SNR; - break; - case BT_A2DP_ALLOCATION_LOUDNESS: - a2dp->sbc.allocation = SBC_AM_LOUDNESS; - break; - default: - pa_assert_not_reached(); - } + if (a2dp->sbc.bitpool == bitpool) + return; - switch (active_capabilities->subbands) { - case BT_A2DP_SUBBANDS_4: - a2dp->sbc.subbands = SBC_SB_4; - break; - case BT_A2DP_SUBBANDS_8: - a2dp->sbc.subbands = SBC_SB_8; - break; - default: - pa_assert_not_reached(); - } + if (bitpool > a2dp->max_bitpool) + bitpool = a2dp->max_bitpool; + else if (bitpool < a2dp->min_bitpool) + bitpool = a2dp->min_bitpool; - switch (active_capabilities->block_length) { - case BT_A2DP_BLOCK_LENGTH_4: - a2dp->sbc.blocks = SBC_BLK_4; - break; - case BT_A2DP_BLOCK_LENGTH_8: - a2dp->sbc.blocks = SBC_BLK_8; - break; - case BT_A2DP_BLOCK_LENGTH_12: - a2dp->sbc.blocks = SBC_BLK_12; - break; - case BT_A2DP_BLOCK_LENGTH_16: - a2dp->sbc.blocks = SBC_BLK_16; - break; - default: - pa_assert_not_reached(); - } + a2dp->sbc.bitpool = bitpool; - a2dp->sbc.bitpool = active_capabilities->max_bitpool; a2dp->codesize = sbc_get_codesize(&a2dp->sbc); a2dp->frame_length = sbc_get_frame_length(&a2dp->sbc); -} -/* Run from main thread */ -static int set_conf(struct userdata *u) { - union { - struct bt_open_req open_req; - struct bt_open_rsp open_rsp; - struct bt_set_configuration_req setconf_req; - struct bt_set_configuration_rsp setconf_rsp; - bt_audio_error_t error; - uint8_t buf[BT_SUGGESTED_BUFFER_SIZE]; - } msg; - - memset(&msg, 0, sizeof(msg)); - msg.open_req.h.type = BT_REQUEST; - msg.open_req.h.name = BT_OPEN; - msg.open_req.h.length = sizeof(msg.open_req); - - pa_strlcpy(msg.open_req.object, u->path, sizeof(msg.open_req.object)); - msg.open_req.seid = u->profile == PROFILE_A2DP ? u->a2dp.sbc_capabilities.capability.seid : BT_A2DP_SEID_RANGE + 1; - msg.open_req.lock = u->profile == PROFILE_A2DP ? BT_WRITE_LOCK : BT_READ_LOCK | BT_WRITE_LOCK; - - if (service_send(u, &msg.open_req.h) < 0) - return -1; + pa_log_debug("Bitpool has changed to %u", a2dp->sbc.bitpool); - if (service_expect(u, &msg.open_rsp.h, sizeof(msg), BT_OPEN, sizeof(msg.open_rsp)) < 0) - return -1; + u->read_block_size = + (u->read_link_mtu - sizeof(struct rtp_header) - sizeof(struct rtp_payload)) + / a2dp->frame_length * a2dp->codesize; - if (u->profile == PROFILE_A2DP ) { - u->sample_spec.format = PA_SAMPLE_S16LE; + u->write_block_size = + (u->write_link_mtu - sizeof(struct rtp_header) - sizeof(struct rtp_payload)) + / a2dp->frame_length * a2dp->codesize; - if (setup_a2dp(u) < 0) - return -1; + pa_sink_set_max_request_within_thread(u->sink, u->write_block_size); + pa_sink_set_fixed_latency_within_thread(u->sink, + FIXED_LATENCY_PLAYBACK_A2DP + pa_bytes_to_usec(u->write_block_size, &u->sample_spec)); +} + +/* from IO thread, except in SCO over PCM */ +static void bt_transport_config_mtu(struct userdata *u) { + /* Calculate block sizes */ + if (u->profile == PROFILE_HSP || u->profile == PROFILE_HFGW) { + u->read_block_size = u->read_link_mtu; + u->write_block_size = u->write_link_mtu; } else { - pa_assert(u->profile == PROFILE_HSP); + u->read_block_size = + (u->read_link_mtu - sizeof(struct rtp_header) - sizeof(struct rtp_payload)) + / u->a2dp.frame_length * u->a2dp.codesize; - u->sample_spec.format = PA_SAMPLE_S16LE; - u->sample_spec.channels = 1; - u->sample_spec.rate = 8000; + u->write_block_size = + (u->write_link_mtu - sizeof(struct rtp_header) - sizeof(struct rtp_payload)) + / u->a2dp.frame_length * u->a2dp.codesize; } - memset(&msg, 0, sizeof(msg)); - msg.setconf_req.h.type = BT_REQUEST; - msg.setconf_req.h.name = BT_SET_CONFIGURATION; - msg.setconf_req.h.length = sizeof(msg.setconf_req); + if (USE_SCO_OVER_PCM(u)) + return; - if (u->profile == PROFILE_A2DP) { - memcpy(&msg.setconf_req.codec, &u->a2dp.sbc_capabilities, sizeof(u->a2dp.sbc_capabilities)); - } else { - msg.setconf_req.codec.transport = BT_CAPABILITIES_TRANSPORT_SCO; - msg.setconf_req.codec.seid = BT_A2DP_SEID_RANGE + 1; - msg.setconf_req.codec.length = sizeof(pcm_capabilities_t); + if (u->sink) { + pa_sink_set_max_request_within_thread(u->sink, u->write_block_size); + pa_sink_set_fixed_latency_within_thread(u->sink, + (u->profile == PROFILE_A2DP ? + FIXED_LATENCY_PLAYBACK_A2DP : FIXED_LATENCY_PLAYBACK_HSP) + + pa_bytes_to_usec(u->write_block_size, &u->sample_spec)); } - msg.setconf_req.h.length += msg.setconf_req.codec.length - sizeof(msg.setconf_req.codec); - - if (service_send(u, &msg.setconf_req.h) < 0) - return -1; - - if (service_expect(u, &msg.setconf_rsp.h, sizeof(msg), BT_SET_CONFIGURATION, sizeof(msg.setconf_rsp)) < 0) - return -1; - - u->link_mtu = msg.setconf_rsp.link_mtu; - - /* setup SBC encoder now we agree on parameters */ - if (u->profile == PROFILE_A2DP) { - setup_sbc(&u->a2dp); - u->block_size = - ((u->link_mtu - sizeof(struct rtp_header) - sizeof(struct rtp_payload)) - / u->a2dp.frame_length - * u->a2dp.codesize); - - pa_log_info("SBC parameters:\n\tallocation=%u\n\tsubbands=%u\n\tblocks=%u\n\tbitpool=%u\n", - u->a2dp.sbc.allocation, u->a2dp.sbc.subbands, u->a2dp.sbc.blocks, u->a2dp.sbc.bitpool); - } else - u->block_size = u->link_mtu; - - return 0; + if (u->source) + pa_source_set_fixed_latency_within_thread(u->source, + (u->profile == PROFILE_A2DP_SOURCE ? + FIXED_LATENCY_RECORD_A2DP : FIXED_LATENCY_RECORD_HSP) + + pa_bytes_to_usec(u->read_block_size, &u->sample_spec)); } /* from IO thread, except in SCO over PCM */ -static int start_stream_fd(struct userdata *u) { - union { - bt_audio_msg_header_t rsp; - struct bt_start_stream_req start_req; - struct bt_start_stream_rsp start_rsp; - struct bt_new_stream_ind streamfd_ind; - bt_audio_error_t error; - uint8_t buf[BT_SUGGESTED_BUFFER_SIZE]; - } msg; + +static void setup_stream(struct userdata *u) { struct pollfd *pollfd; int one; - pa_assert(u); - pa_assert(u->rtpoll); - pa_assert(!u->rtpoll_item); - pa_assert(u->stream_fd < 0); - - memset(msg.buf, 0, BT_SUGGESTED_BUFFER_SIZE); - msg.start_req.h.type = BT_REQUEST; - msg.start_req.h.name = BT_START_STREAM; - msg.start_req.h.length = sizeof(msg.start_req); - - if (service_send(u, &msg.start_req.h) < 0) - return -1; - - if (service_expect(u, &msg.rsp, sizeof(msg), BT_START_STREAM, sizeof(msg.start_rsp)) < 0) - return -1; - - if (service_expect(u, &msg.rsp, sizeof(msg), BT_NEW_STREAM, sizeof(msg.streamfd_ind)) < 0) - return -1; - - if ((u->stream_fd = bt_audio_service_get_data_fd(u->service_fd)) < 0) { - pa_log("Failed to get stream fd from audio service."); - return -1; - } + bt_transport_config_mtu(u); pa_make_fd_nonblock(u->stream_fd); pa_make_socket_low_delay(u->stream_fd); @@ -759,6 +293,9 @@ static int start_stream_fd(struct userdata *u) { pa_log_debug("Stream properly set up, we're ready to roll!"); + if (u->profile == PROFILE_A2DP) + a2dp_set_bitpool(u, u->a2dp.max_bitpool); + u->rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1); pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL); pollfd->fd = u->stream_fd; @@ -776,47 +313,91 @@ static int start_stream_fd(struct userdata *u) { 10, pa_rtclock_now(), TRUE); +} - return 0; +static bool bt_transport_is_acquired(struct userdata *u) { + if (u->accesstype == NULL) { + pa_assert(u->stream_fd < 0); + return FALSE; + } else { + pa_assert(u->stream_fd >= 0); + return TRUE; + } } -/* from IO thread */ -static int stop_stream_fd(struct userdata *u) { - union { - bt_audio_msg_header_t rsp; - struct bt_stop_stream_req start_req; - struct bt_stop_stream_rsp start_rsp; - bt_audio_error_t error; - uint8_t buf[BT_SUGGESTED_BUFFER_SIZE]; - } msg; - int r = 0; +static void bt_transport_release(struct userdata *u) { + const char *accesstype = "rw"; + const pa_bluetooth_transport *t; - pa_assert(u); - pa_assert(u->rtpoll); - pa_assert(u->rtpoll_item); - pa_assert(u->stream_fd >= 0); + /* Ignore if already released */ + if (!bt_transport_is_acquired(u)) + return; - pa_rtpoll_item_free(u->rtpoll_item); - u->rtpoll_item = NULL; + pa_log_debug("Releasing transport %s", u->transport); - memset(msg.buf, 0, BT_SUGGESTED_BUFFER_SIZE); - msg.start_req.h.type = BT_REQUEST; - msg.start_req.h.name = BT_STOP_STREAM; - msg.start_req.h.length = sizeof(msg.start_req); + t = pa_bluetooth_discovery_get_transport(u->discovery, u->transport); + if (t) + pa_bluetooth_transport_release(t, accesstype); - if (service_send(u, &msg.start_req.h) < 0 || - service_expect(u, &msg.rsp, sizeof(msg), BT_STOP_STREAM, sizeof(msg.start_rsp)) < 0) - r = -1; + pa_xfree(u->accesstype); + u->accesstype = NULL; - pa_close(u->stream_fd); - u->stream_fd = -1; + if (u->rtpoll_item) { + pa_rtpoll_item_free(u->rtpoll_item); + u->rtpoll_item = NULL; + } + + if (u->stream_fd >= 0) { + pa_close(u->stream_fd); + u->stream_fd = -1; + } if (u->read_smoother) { pa_smoother_free(u->read_smoother); u->read_smoother = NULL; } +} - return r; +static int bt_transport_acquire(struct userdata *u, pa_bool_t start) { + const char *accesstype = "rw"; + const pa_bluetooth_transport *t; + + if (u->transport == NULL) { + pa_log("Transport no longer available."); + return -1; + } + + if (bt_transport_is_acquired(u)) { + if (start) + goto done; + return 0; + } + + pa_log_debug("Acquiring transport %s", u->transport); + + t = pa_bluetooth_discovery_get_transport(u->discovery, u->transport); + if (!t) { + pa_log("Transport %s no longer available", u->transport); + pa_xfree(u->transport); + u->transport = NULL; + return -1; + } + + u->stream_fd = pa_bluetooth_transport_acquire(t, accesstype, &u->read_link_mtu, &u->write_link_mtu); + if (u->stream_fd < 0) + return -1; + + u->accesstype = pa_xstrdup(accesstype); + pa_log_info("Transport %s acquired: fd %d", u->transport, u->stream_fd); + + if (!start) + return 0; + +done: + pa_log_info("Transport %s resuming", u->transport); + setup_stream(u); + + return 0; } /* Run from IO thread */ @@ -826,6 +407,7 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offse int r; pa_assert(u->sink == PA_SINK(o)); + pa_assert(u->transport); switch (code) { @@ -834,14 +416,16 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offse switch ((pa_sink_state_t) PA_PTR_TO_UINT(data)) { case PA_SINK_SUSPENDED: - pa_assert(PA_SINK_IS_OPENED(u->sink->thread_info.state)); + /* Ignore if transition is PA_SINK_INIT->PA_SINK_SUSPENDED */ + if (!PA_SINK_IS_OPENED(u->sink->thread_info.state)) + break; /* Stop the device if the source is suspended as well */ if (!u->source || u->source->state == PA_SOURCE_SUSPENDED) /* We deliberately ignore whether stopping * actually worked. Since the stream_fd is * closed it doesn't really matter */ - stop_stream_fd(u); + bt_transport_release(u); break; @@ -851,9 +435,10 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offse break; /* Resume the device if the source was suspended as well */ - if (!u->source || u->source->state == PA_SOURCE_SUSPENDED) - if (start_stream_fd(u) < 0) + if (!u->source || u->source->state == PA_SOURCE_SUSPENDED) { + if (bt_transport_acquire(u, TRUE) < 0) failed = TRUE; + } break; case PA_SINK_UNLINKED: @@ -869,7 +454,7 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offse pa_usec_t wi, ri; ri = pa_smoother_get(u->read_smoother, pa_rtclock_now()); - wi = pa_bytes_to_usec(u->write_index + u->block_size, &u->sample_spec); + wi = pa_bytes_to_usec(u->write_index + u->write_block_size, &u->sample_spec); *((pa_usec_t*) data) = wi > ri ? wi - ri : 0; } else { @@ -898,6 +483,7 @@ static int source_process_msg(pa_msgobject *o, int code, void *data, int64_t off int r; pa_assert(u->source == PA_SOURCE(o)); + pa_assert(u->transport); switch (code) { @@ -906,11 +492,13 @@ static int source_process_msg(pa_msgobject *o, int code, void *data, int64_t off switch ((pa_source_state_t) PA_PTR_TO_UINT(data)) { case PA_SOURCE_SUSPENDED: - pa_assert(PA_SOURCE_IS_OPENED(u->source->thread_info.state)); + /* Ignore if transition is PA_SOURCE_INIT->PA_SOURCE_SUSPENDED */ + if (!PA_SOURCE_IS_OPENED(u->source->thread_info.state)) + break; /* Stop the device if the sink is suspended as well */ if (!u->sink || u->sink->state == PA_SINK_SUSPENDED) - stop_stream_fd(u); + bt_transport_release(u); if (u->read_smoother) pa_smoother_pause(u->read_smoother, pa_rtclock_now()); @@ -922,10 +510,10 @@ static int source_process_msg(pa_msgobject *o, int code, void *data, int64_t off break; /* Resume the device if the sink was suspended as well */ - if (!u->sink || u->sink->thread_info.state == PA_SINK_SUSPENDED) - if (start_stream_fd(u) < 0) + if (!u->sink || u->sink->thread_info.state == PA_SINK_SUSPENDED) { + if (bt_transport_acquire(u, TRUE) < 0) failed = TRUE; - + } /* We don't resume the smoother here. Instead we * wait until the first packet arrives */ break; @@ -940,10 +528,14 @@ static int source_process_msg(pa_msgobject *o, int code, void *data, int64_t off case PA_SOURCE_MESSAGE_GET_LATENCY: { pa_usec_t wi, ri; - wi = pa_smoother_get(u->read_smoother, pa_rtclock_now()); - ri = pa_bytes_to_usec(u->read_index, &u->sample_spec); + if (u->read_smoother) { + wi = pa_smoother_get(u->read_smoother, pa_rtclock_now()); + ri = pa_bytes_to_usec(u->read_index, &u->sample_spec); + + *((pa_usec_t*) data) = (wi > ri ? wi - ri : 0) + u->source->thread_info.fixed_latency; + } else + *((pa_usec_t*) data) = 0; - *((pa_usec_t*) data) = (wi > ri ? wi - ri : 0) + u->source->thread_info.fixed_latency; return 0; } @@ -954,19 +546,38 @@ static int source_process_msg(pa_msgobject *o, int code, void *data, int64_t off return (r < 0 || !failed) ? r : -1; } +/* Called from main thread context */ +static int device_process_msg(pa_msgobject *obj, int code, void *data, int64_t offset, pa_memchunk *chunk) { + struct bluetooth_msg *u = BLUETOOTH_MSG(obj); + + switch (code) { + case BLUETOOTH_MESSAGE_IO_THREAD_FAILED: { + if (u->card->module->unload_requested) + break; + + pa_log_debug("Switching the profile to off due to IO thread failure."); + + if (pa_card_set_profile(u->card, "off", FALSE) < 0) + pa_log_debug("Failed to switch profile to off"); + break; + } + } + return 0; +} + /* Run from IO thread */ static int hsp_process_render(struct userdata *u) { int ret = 0; pa_assert(u); - pa_assert(u->profile == PROFILE_HSP); + pa_assert(u->profile == PROFILE_HSP || u->profile == PROFILE_HFGW); pa_assert(u->sink); /* First, render some data */ if (!u->write_memchunk.memblock) - pa_sink_render_full(u->sink, u->block_size, &u->write_memchunk); + pa_sink_render_full(u->sink, u->write_block_size, &u->write_memchunk); - pa_assert(u->write_memchunk.length == u->block_size); + pa_assert(u->write_memchunk.length == u->write_block_size); for (;;) { ssize_t l; @@ -1024,11 +635,11 @@ static int hsp_process_push(struct userdata *u) { pa_memchunk memchunk; pa_assert(u); - pa_assert(u->profile == PROFILE_HSP); + pa_assert(u->profile == PROFILE_HSP || u->profile == PROFILE_HFGW); pa_assert(u->source); pa_assert(u->read_smoother); - memchunk.memblock = pa_memblock_new(u->core->mempool, u->block_size); + memchunk.memblock = pa_memblock_new(u->core->mempool, u->read_block_size); memchunk.index = memchunk.length = 0; for (;;) { @@ -1095,7 +706,7 @@ static int hsp_process_push(struct userdata *u) { pa_source_post(u->source, &memchunk); - ret = 1; + ret = l; break; } @@ -1106,12 +717,14 @@ static int hsp_process_push(struct userdata *u) { /* Run from IO thread */ static void a2dp_prepare_buffer(struct userdata *u) { + size_t min_buffer_size = PA_MAX(u->read_link_mtu, u->write_link_mtu); + pa_assert(u); - if (u->a2dp.buffer_size >= u->link_mtu) + if (u->a2dp.buffer_size >= min_buffer_size) return; - u->a2dp.buffer_size = 2 * u->link_mtu; + u->a2dp.buffer_size = 2 * min_buffer_size; pa_xfree(u->a2dp.buffer); u->a2dp.buffer = pa_xmalloc(u->a2dp.buffer_size); } @@ -1134,9 +747,9 @@ static int a2dp_process_render(struct userdata *u) { /* First, render some data */ if (!u->write_memchunk.memblock) - pa_sink_render_full(u->sink, u->block_size, &u->write_memchunk); + pa_sink_render_full(u->sink, u->write_block_size, &u->write_memchunk); - pa_assert(u->write_memchunk.length == u->block_size); + pa_assert(u->write_memchunk.length == u->write_block_size); a2dp_prepare_buffer(u); @@ -1155,7 +768,7 @@ static int a2dp_process_render(struct userdata *u) { to_write = a2dp->buffer_size - sizeof(*header) - sizeof(*payload); while (PA_LIKELY(to_encode > 0 && to_write > 0)) { - size_t written; + ssize_t written; ssize_t encoded; encoded = sbc_encode(&a2dp->sbc, @@ -1224,7 +837,7 @@ static int a2dp_process_render(struct userdata *u) { break; pa_log_error("Failed to write data to socket: %s", pa_cstrerror(errno)); - ret = -1; + ret = -1; break; } @@ -1250,23 +863,160 @@ static int a2dp_process_render(struct userdata *u) { return ret; } +static int a2dp_process_push(struct userdata *u) { + int ret = 0; + pa_memchunk memchunk; + + pa_assert(u); + pa_assert(u->profile == PROFILE_A2DP_SOURCE); + pa_assert(u->source); + pa_assert(u->read_smoother); + + memchunk.memblock = pa_memblock_new(u->core->mempool, u->read_block_size); + memchunk.index = memchunk.length = 0; + + for (;;) { + pa_bool_t found_tstamp = FALSE; + pa_usec_t tstamp; + struct a2dp_info *a2dp; + struct rtp_header *header; + struct rtp_payload *payload; + const void *p; + void *d; + ssize_t l; + size_t to_write, to_decode; + + a2dp_prepare_buffer(u); + + a2dp = &u->a2dp; + header = a2dp->buffer; + payload = (struct rtp_payload*) ((uint8_t*) a2dp->buffer + sizeof(*header)); + + l = pa_read(u->stream_fd, a2dp->buffer, a2dp->buffer_size, &u->stream_write_type); + + if (l <= 0) { + + if (l < 0 && errno == EINTR) + /* Retry right away if we got interrupted */ + continue; + + else if (l < 0 && errno == EAGAIN) + /* Hmm, apparently the socket was not readable, give up for now. */ + break; + + pa_log_error("Failed to read data from socket: %s", l < 0 ? pa_cstrerror(errno) : "EOF"); + ret = -1; + break; + } + + pa_assert((size_t) l <= a2dp->buffer_size); + + u->read_index += (uint64_t) l; + + /* TODO: get timestamp from rtp */ + if (!found_tstamp) { + /* pa_log_warn("Couldn't find SO_TIMESTAMP data in auxiliary recvmsg() data!"); */ + tstamp = pa_rtclock_now(); + } + + pa_smoother_put(u->read_smoother, tstamp, pa_bytes_to_usec(u->read_index, &u->sample_spec)); + pa_smoother_resume(u->read_smoother, tstamp, TRUE); + + p = (uint8_t*) a2dp->buffer + sizeof(*header) + sizeof(*payload); + to_decode = l - sizeof(*header) - sizeof(*payload); + + d = pa_memblock_acquire(memchunk.memblock); + to_write = memchunk.length = pa_memblock_get_length(memchunk.memblock); + + while (PA_LIKELY(to_decode > 0)) { + size_t written; + ssize_t decoded; + + decoded = sbc_decode(&a2dp->sbc, + p, to_decode, + d, to_write, + &written); + + if (PA_UNLIKELY(decoded <= 0)) { + pa_log_error("SBC decoding error (%li)", (long) decoded); + pa_memblock_release(memchunk.memblock); + pa_memblock_unref(memchunk.memblock); + return -1; + } + +/* pa_log_debug("SBC: decoded: %lu; written: %lu", (unsigned long) decoded, (unsigned long) written); */ +/* pa_log_debug("SBC: frame_length: %lu; codesize: %lu", (unsigned long) a2dp->frame_length, (unsigned long) a2dp->codesize); */ + + /* Reset frame length, it can be changed due to bitpool change */ + a2dp->frame_length = sbc_get_frame_length(&a2dp->sbc); + + pa_assert_fp((size_t) decoded <= to_decode); + pa_assert_fp((size_t) decoded == a2dp->frame_length); + + pa_assert_fp((size_t) written == a2dp->codesize); + + p = (const uint8_t*) p + decoded; + to_decode -= decoded; + + d = (uint8_t*) d + written; + to_write -= written; + } + + memchunk.length -= to_write; + + pa_memblock_release(memchunk.memblock); + + pa_source_post(u->source, &memchunk); + + ret = l; + break; + } + + pa_memblock_unref(memchunk.memblock); + + return ret; +} + +static void a2dp_reduce_bitpool(struct userdata *u) +{ + struct a2dp_info *a2dp; + uint8_t bitpool; + + pa_assert(u); + + a2dp = &u->a2dp; + + /* Check if bitpool is already at its limit */ + if (a2dp->sbc.bitpool <= BITPOOL_DEC_LIMIT) + return; + + bitpool = a2dp->sbc.bitpool - BITPOOL_DEC_STEP; + + if (bitpool < BITPOOL_DEC_LIMIT) + bitpool = BITPOOL_DEC_LIMIT; + + a2dp_set_bitpool(u, bitpool); +} + static void thread_func(void *userdata) { struct userdata *u = userdata; unsigned do_write = 0; + unsigned pending_read_bytes = 0; pa_bool_t writable = FALSE; pa_assert(u); + pa_assert(u->transport); pa_log_debug("IO Thread starting up"); if (u->core->realtime_scheduling) pa_make_realtime(u->core->realtime_priority); - if (start_stream_fd(u) < 0) - goto fail; - pa_thread_mq_install(&u->thread_mq); + if (bt_transport_acquire(u, TRUE) < 0) + goto fail; + for (;;) { struct pollfd *pollfd; int ret; @@ -1285,11 +1035,18 @@ static void thread_func(void *userdata) { if (pollfd && (pollfd->revents & POLLIN)) { int n_read; - if ((n_read = hsp_process_push(u)) < 0) + if (u->profile == PROFILE_HSP || u->profile == PROFILE_HFGW) + n_read = hsp_process_push(u); + else + n_read = a2dp_process_push(u); + + if (n_read < 0) goto fail; /* We just read something, so we are supposed to write something, too */ - do_write += n_read; + pending_read_bytes += n_read; + do_write += pending_read_bytes / u->write_block_size; + pending_read_bytes = pending_read_bytes % u->write_block_size; } } @@ -1333,10 +1090,14 @@ static void thread_func(void *userdata) { pa_sink_render_full(u->sink, skip_bytes, &tmp); pa_memblock_unref(tmp.memblock); u->write_index += skip_bytes; + + if (u->profile == PROFILE_A2DP) + a2dp_reduce_bitpool(u); } } do_write = 1; + pending_read_bytes = 0; } } @@ -1361,17 +1122,20 @@ static void thread_func(void *userdata) { writable = FALSE; } - if ((!u->source || !PA_SOURCE_IS_LINKED(u->source->thread_info.state)) && do_write <= 0 && writable) { - pa_usec_t time_passed, next_write_at, sleep_for; - - /* Hmm, there is no input stream we could synchronize - * to. So let's estimate when we need to wake up the latest */ - - time_passed = pa_rtclock_now() - u->started_at; - next_write_at = pa_bytes_to_usec(u->write_index, &u->sample_spec); - sleep_for = time_passed < next_write_at ? next_write_at - time_passed : 0; - -/* pa_log("Sleeping for %lu; time passed %lu, next write at %lu", (unsigned long) sleep_for, (unsigned long) time_passed, (unsigned long)next_write_at); */ + if ((!u->source || !PA_SOURCE_IS_LINKED(u->source->thread_info.state)) && do_write <= 0) { + pa_usec_t sleep_for; + pa_usec_t time_passed, next_write_at; + + if (writable) { + /* Hmm, there is no input stream we could synchronize + * to. So let's estimate when we need to wake up the latest */ + time_passed = pa_rtclock_now() - u->started_at; + next_write_at = pa_bytes_to_usec(u->write_index, &u->sample_spec); + sleep_for = time_passed < next_write_at ? next_write_at - time_passed : 0; + /* pa_log("Sleeping for %lu; time passed %lu, next write at %lu", (unsigned long) sleep_for, (unsigned long) time_passed, (unsigned long)next_write_at); */ + } else + /* drop stream every 500 ms */ + sleep_for = PA_USEC_PER_MSEC * 500; pa_rtpoll_set_timer_relative(u->rtpoll, sleep_for); disable_timer = FALSE; @@ -1387,11 +1151,15 @@ static void thread_func(void *userdata) { pollfd->events = (short) (((u->sink && PA_SINK_IS_LINKED(u->sink->thread_info.state) && !writable) ? POLLOUT : 0) | (u->source && PA_SOURCE_IS_LINKED(u->source->thread_info.state) ? POLLIN : 0)); - if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0) + if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0) { + pa_log_debug("pa_rtpoll_run failed with: %d", ret); goto fail; - - if (ret == 0) + } + if (ret == 0) { + pa_log_debug("IO thread shutdown requested, stopping cleanly"); + bt_transport_release(u); goto finish; + } pollfd = u->rtpoll_item ? pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL) : NULL; @@ -1408,17 +1176,74 @@ static void thread_func(void *userdata) { fail: /* If this was no regular exit from the loop we have to continue processing messages until we receive PA_MESSAGE_SHUTDOWN */ pa_log_debug("IO thread failed"); - pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL); + pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(u->msg), BLUETOOTH_MESSAGE_IO_THREAD_FAILED, NULL, 0, NULL, NULL); pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN); finish: pa_log_debug("IO thread shutting down"); } +static pa_bt_audio_state_t parse_state_property_change(DBusMessage *m) { + DBusMessageIter iter; + DBusMessageIter variant; + const char *key; + const char *value; + pa_bt_audio_state_t state; + + if (!dbus_message_iter_init(m, &iter)) { + pa_log("Failed to parse PropertyChanged"); + return PA_BT_AUDIO_STATE_INVALID; + } + + if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) { + pa_log("Property name not a string"); + return PA_BT_AUDIO_STATE_INVALID; + } + + dbus_message_iter_get_basic(&iter, &key); + + if (!pa_streq(key, "State")) + return PA_BT_AUDIO_STATE_INVALID; + + if (!dbus_message_iter_next(&iter)) { + pa_log("Property value missing"); + return PA_BT_AUDIO_STATE_INVALID; + } + + dbus_message_iter_recurse(&iter, &variant); + + if (dbus_message_iter_get_arg_type(&variant) != DBUS_TYPE_STRING) { + pa_log("Property value not a string"); + return PA_BT_AUDIO_STATE_INVALID; + } + + dbus_message_iter_get_basic(&variant, &value); + + pa_log_debug("dbus: %s property 'State' changed to value '%s'", dbus_message_get_interface(m), value); + + state = pa_bt_audio_state_from_string(value); + + if (state == PA_BT_AUDIO_STATE_INVALID) + pa_log("Unexpected value for property 'State': '%s'", value); + + return state; +} + +static pa_port_available_t audio_state_to_availability(pa_bt_audio_state_t state) { + if (state < PA_BT_AUDIO_STATE_CONNECTED) + return PA_PORT_AVAILABLE_NO; + else if (state >= PA_BT_AUDIO_STATE_PLAYING) + return PA_PORT_AVAILABLE_YES; + else + return PA_PORT_AVAILABLE_UNKNOWN; +} + /* Run from main thread */ static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *m, void *userdata) { DBusError err; struct userdata *u; + bool acquire = FALSE; + bool release = FALSE; pa_assert(bus); pa_assert(m); @@ -1431,8 +1256,8 @@ static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *m, void *us dbus_message_get_path(m), dbus_message_get_member(m)); - if (!dbus_message_has_path(m, u->path)) - goto fail; + if (!dbus_message_has_path(m, u->path) && !dbus_message_has_path(m, u->transport)) + goto fail; if (dbus_message_is_signal(m, "org.bluez.Headset", "SpeakerGainChanged") || dbus_message_is_signal(m, "org.bluez.Headset", "MicrophoneGainChanged")) { @@ -1440,23 +1265,130 @@ static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *m, void *us dbus_uint16_t gain; pa_cvolume v; - if (!dbus_message_get_args(m, &err, DBUS_TYPE_UINT16, &gain, DBUS_TYPE_INVALID) || gain > 15) { + if (!dbus_message_get_args(m, &err, DBUS_TYPE_UINT16, &gain, DBUS_TYPE_INVALID) || gain > HSP_MAX_GAIN) { pa_log("Failed to parse org.bluez.Headset.{Speaker|Microphone}GainChanged: %s", err.message); goto fail; } if (u->profile == PROFILE_HSP) { if (u->sink && dbus_message_is_signal(m, "org.bluez.Headset", "SpeakerGainChanged")) { + pa_volume_t volume = (pa_volume_t) (gain * PA_VOLUME_NORM / HSP_MAX_GAIN); - pa_cvolume_set(&v, u->sample_spec.channels, (pa_volume_t) (gain * PA_VOLUME_NORM / 15)); + /* increment volume by one to correct rounding errors */ + if (volume < PA_VOLUME_NORM) + volume++; + + pa_cvolume_set(&v, u->sample_spec.channels, volume); pa_sink_volume_changed(u->sink, &v); } else if (u->source && dbus_message_is_signal(m, "org.bluez.Headset", "MicrophoneGainChanged")) { + pa_volume_t volume = (pa_volume_t) (gain * PA_VOLUME_NORM / HSP_MAX_GAIN); + + /* increment volume by one to correct rounding errors */ + if (volume < PA_VOLUME_NORM) + volume++; - pa_cvolume_set(&v, u->sample_spec.channels, (pa_volume_t) (gain * PA_VOLUME_NORM / 15)); + pa_cvolume_set(&v, u->sample_spec.channels, volume); pa_source_volume_changed(u->source, &v); } } + } else if (dbus_message_is_signal(m, "org.bluez.HandsfreeGateway", "PropertyChanged")) { + pa_bt_audio_state_t state = parse_state_property_change(m); + + switch(state) { + case PA_BT_AUDIO_STATE_INVALID: + case PA_BT_AUDIO_STATE_DISCONNECTED: + case PA_BT_AUDIO_STATE_CONNECTED: + case PA_BT_AUDIO_STATE_CONNECTING: + goto fail; + + case PA_BT_AUDIO_STATE_PLAYING: + if (u->card) { + pa_log_debug("Changing profile to hfgw"); + if (pa_card_set_profile(u->card, "hfgw", FALSE) < 0) + pa_log("Failed to change profile to hfgw"); + } + break; + } + + if (state != PA_BT_AUDIO_STATE_INVALID) { + pa_device_port *port; + pa_port_available_t available = audio_state_to_availability(state); + + pa_assert_se(port = pa_hashmap_get(u->card->ports, "hfgw-output")); + pa_device_port_set_available(port, available); + + pa_assert_se(port = pa_hashmap_get(u->card->ports, "hfgw-input")); + pa_device_port_set_available(port, available); + + acquire = (available == PA_PORT_AVAILABLE_YES && u->profile == PROFILE_HFGW); + release = (available != PA_PORT_AVAILABLE_YES && u->profile == PROFILE_HFGW); + } + } else if (dbus_message_is_signal(m, "org.bluez.Headset", "PropertyChanged")) { + pa_bt_audio_state_t state = parse_state_property_change(m); + + if (state != PA_BT_AUDIO_STATE_INVALID) { + pa_device_port *port; + pa_port_available_t available = audio_state_to_availability(state); + + pa_assert_se(port = pa_hashmap_get(u->card->ports, "hsp-output")); + pa_device_port_set_available(port, available); + + pa_assert_se(port = pa_hashmap_get(u->card->ports, "hsp-input")); + pa_device_port_set_available(port, available); + + acquire = (available == PA_PORT_AVAILABLE_YES && u->profile == PROFILE_HSP); + release = (available != PA_PORT_AVAILABLE_YES && u->profile == PROFILE_HSP); + } + } else if (dbus_message_is_signal(m, "org.bluez.AudioSource", "PropertyChanged")) { + pa_bt_audio_state_t state = parse_state_property_change(m); + + if (state != PA_BT_AUDIO_STATE_INVALID) { + pa_device_port *port; + pa_port_available_t available = audio_state_to_availability(state); + + pa_assert_se(port = pa_hashmap_get(u->card->ports, "a2dp-input")); + pa_device_port_set_available(port, available); + + acquire = (available == PA_PORT_AVAILABLE_YES && u->profile == PROFILE_A2DP_SOURCE); + release = (available != PA_PORT_AVAILABLE_YES && u->profile == PROFILE_A2DP_SOURCE); + } + } else if (dbus_message_is_signal(m, "org.bluez.AudioSink", "PropertyChanged")) { + pa_bt_audio_state_t state = parse_state_property_change(m); + + if (state != PA_BT_AUDIO_STATE_INVALID) { + pa_device_port *port; + pa_port_available_t available = audio_state_to_availability(state); + + pa_assert_se(port = pa_hashmap_get(u->card->ports, "a2dp-output")); + pa_device_port_set_available(port, available); + + acquire = (available == PA_PORT_AVAILABLE_YES && u->profile == PROFILE_A2DP); + release = (available != PA_PORT_AVAILABLE_YES && u->profile == PROFILE_A2DP); + } + } + + if (acquire) + if (bt_transport_acquire(u, FALSE) >= 0) { + if (u->source) + pa_source_suspend(u->source, FALSE, PA_SUSPEND_IDLE|PA_SUSPEND_USER); + + if (u->sink) + pa_sink_suspend(u->sink, FALSE, PA_SUSPEND_IDLE|PA_SUSPEND_USER); + } + + if (release && bt_transport_is_acquired(u)) { + /* FIXME: this release is racy, since the audio stream might have + been set up again in the meantime (but not processed yet by PA). + BlueZ should probably release the transport automatically, and + in that case we would just mark the transport as released */ + + /* Remote side closed the stream so we consider it PA_SUSPEND_USER */ + if (u->source) + pa_source_suspend(u->source, TRUE, PA_SUSPEND_USER); + + if (u->sink) + pa_sink_suspend(u->sink, TRUE, PA_SUSPEND_USER); } fail: @@ -1467,21 +1399,35 @@ fail: /* Run from main thread */ static void sink_set_volume_cb(pa_sink *s) { - struct userdata *u = s->userdata; DBusMessage *m; dbus_uint16_t gain; + pa_volume_t volume; + struct userdata *u; + char *k; + + pa_assert(s); + pa_assert(s->core); + + k = pa_sprintf_malloc("bluetooth-device@%p", (void*) s); + u = pa_shared_get(s->core, k); + pa_xfree(k); pa_assert(u); + pa_assert(u->sink == s); + pa_assert(u->profile == PROFILE_HSP); + + gain = (pa_cvolume_max(&s->real_volume) * HSP_MAX_GAIN) / PA_VOLUME_NORM; - if (u->profile != PROFILE_HSP) - return; + if (gain > HSP_MAX_GAIN) + gain = HSP_MAX_GAIN; - gain = (pa_cvolume_max(&s->virtual_volume) * 15) / PA_VOLUME_NORM; + volume = (pa_volume_t) (gain * PA_VOLUME_NORM / HSP_MAX_GAIN); - if (gain > 15) - gain = 15; + /* increment volume by one to correct rounding errors */ + if (volume < PA_VOLUME_NORM) + volume++; - pa_cvolume_set(&s->virtual_volume, u->sample_spec.channels, (pa_volume_t) (gain * PA_VOLUME_NORM / 15)); + pa_cvolume_set(&s->real_volume, u->sample_spec.channels, volume); pa_assert_se(m = dbus_message_new_method_call("org.bluez", u->path, "org.bluez.Headset", "SetSpeakerGain")); pa_assert_se(dbus_message_append_args(m, DBUS_TYPE_UINT16, &gain, DBUS_TYPE_INVALID)); @@ -1491,21 +1437,35 @@ static void sink_set_volume_cb(pa_sink *s) { /* Run from main thread */ static void source_set_volume_cb(pa_source *s) { - struct userdata *u = s->userdata; DBusMessage *m; dbus_uint16_t gain; + pa_volume_t volume; + struct userdata *u; + char *k; + + pa_assert(s); + pa_assert(s->core); + + k = pa_sprintf_malloc("bluetooth-device@%p", (void*) s); + u = pa_shared_get(s->core, k); + pa_xfree(k); pa_assert(u); + pa_assert(u->source == s); + pa_assert(u->profile == PROFILE_HSP); - if (u->profile != PROFILE_HSP) - return; + gain = (pa_cvolume_max(&s->real_volume) * HSP_MAX_GAIN) / PA_VOLUME_NORM; - gain = (pa_cvolume_max(&s->virtual_volume) * 15) / PA_VOLUME_NORM; + if (gain > HSP_MAX_GAIN) + gain = HSP_MAX_GAIN; - if (gain > 15) - gain = 15; + volume = (pa_volume_t) (gain * PA_VOLUME_NORM / HSP_MAX_GAIN); - pa_cvolume_set(&s->virtual_volume, u->sample_spec.channels, (pa_volume_t) (gain * PA_VOLUME_NORM / 15)); + /* increment volume by one to correct rounding errors */ + if (volume < PA_VOLUME_NORM) + volume++; + + pa_cvolume_set(&s->real_volume, u->sample_spec.channels, volume); pa_assert_se(m = dbus_message_new_method_call("org.bluez", u->path, "org.bluez.Headset", "SetMicrophoneGain")); pa_assert_se(dbus_message_append_args(m, DBUS_TYPE_UINT16, &gain, DBUS_TYPE_INVALID)); @@ -1542,34 +1502,35 @@ static char *get_name(const char *type, pa_modargs *ma, const char *device_id, p return pa_sprintf_malloc("bluez_%s.%s", type, n); } -#ifdef NOKIA - -static void sco_over_pcm_state_update(struct userdata *u) { +static int sco_over_pcm_state_update(struct userdata *u, pa_bool_t changed) { pa_assert(u); pa_assert(USE_SCO_OVER_PCM(u)); if (PA_SINK_IS_OPENED(pa_sink_get_state(u->hsp.sco_sink)) || PA_SOURCE_IS_OPENED(pa_source_get_state(u->hsp.sco_source))) { - if (u->service_fd >= 0) - return; + if (u->stream_fd >= 0) + return 0; pa_log_debug("Resuming SCO over PCM"); - if ((init_bt(u) < 0) || (init_profile(u) < 0)) + if (init_profile(u) < 0) { pa_log("Can't resume SCO over PCM"); + return -1; + } - start_stream_fd(u); - } else { - - if (u->service_fd < 0) - return; + return bt_transport_acquire(u, TRUE); + } - stop_stream_fd(u); + if (changed) { + if (u->stream_fd < 0) + return 0; pa_log_debug("Closing SCO over PCM"); - pa_close(u->service_fd); - u->service_fd = -1; + + bt_transport_release(u); } + + return 0; } static pa_hook_result_t sink_state_changed_cb(pa_core *c, pa_sink *s, struct userdata *u) { @@ -1580,7 +1541,7 @@ static pa_hook_result_t sink_state_changed_cb(pa_core *c, pa_sink *s, struct use if (s != u->hsp.sco_sink) return PA_HOOK_OK; - sco_over_pcm_state_update(u); + sco_over_pcm_state_update(u, TRUE); return PA_HOOK_OK; } @@ -1593,33 +1554,120 @@ static pa_hook_result_t source_state_changed_cb(pa_core *c, pa_source *s, struct if (s != u->hsp.sco_source) return PA_HOOK_OK; - sco_over_pcm_state_update(u); + sco_over_pcm_state_update(u, TRUE); return PA_HOOK_OK; } -#endif +static pa_hook_result_t nrec_changed_cb(pa_bluetooth_transport *t, void *call_data, struct userdata *u) { + pa_proplist *p; + + pa_assert(t); + pa_assert(u); + + p = pa_proplist_new(); + pa_proplist_sets(p, "bluetooth.nrec", t->nrec ? "1" : "0"); + pa_source_update_proplist(u->source, PA_UPDATE_REPLACE, p); + pa_proplist_free(p); + + return PA_HOOK_OK; +} + +static void connect_ports(struct userdata *u, void *sink_or_source_new_data, pa_direction_t direction) { + union { + pa_sink_new_data *sink_new_data; + pa_source_new_data *source_new_data; + } data; + pa_device_port *port; + + if (direction == PA_DIRECTION_OUTPUT) { + data.sink_new_data = sink_or_source_new_data; + data.sink_new_data->ports = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func); + } else { + data.source_new_data = sink_or_source_new_data; + data.source_new_data->ports = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func); + } + + switch (u->profile) { + case PROFILE_A2DP: + pa_assert_se(port = pa_hashmap_get(u->card->ports, "a2dp-output")); + pa_assert_se(pa_hashmap_put(data.sink_new_data->ports, port->name, port) >= 0); + pa_device_port_ref(port); + break; + + case PROFILE_A2DP_SOURCE: + pa_assert_se(port = pa_hashmap_get(u->card->ports, "a2dp-input")); + pa_assert_se(pa_hashmap_put(data.source_new_data->ports, port->name, port) >= 0); + pa_device_port_ref(port); + break; + + case PROFILE_HSP: + if (direction == PA_DIRECTION_OUTPUT) { + pa_assert_se(port = pa_hashmap_get(u->card->ports, "hsp-output")); + pa_assert_se(pa_hashmap_put(data.sink_new_data->ports, port->name, port) >= 0); + } else { + pa_assert_se(port = pa_hashmap_get(u->card->ports, "hsp-input")); + pa_assert_se(pa_hashmap_put(data.source_new_data->ports, port->name, port) >= 0); + } + pa_device_port_ref(port); + break; + + case PROFILE_HFGW: + if (direction == PA_DIRECTION_OUTPUT) { + pa_assert_se(port = pa_hashmap_get(u->card->ports, "hfgw-output")); + pa_assert_se(pa_hashmap_put(data.sink_new_data->ports, port->name, port) >= 0); + } else { + pa_assert_se(port = pa_hashmap_get(u->card->ports, "hfgw-input")); + pa_assert_se(pa_hashmap_put(data.source_new_data->ports, port->name, port) >= 0); + } + pa_device_port_ref(port); + break; + + default: + pa_assert_not_reached(); + } +} + +static const char *profile_to_string(enum profile profile) { + switch(profile) { + case PROFILE_A2DP: + return "a2dp"; + case PROFILE_A2DP_SOURCE: + return "a2dp_source"; + case PROFILE_HSP: + return "hsp"; + case PROFILE_HFGW: + return "hfgw"; + default: + pa_assert_not_reached(); + } +} + +static int sink_set_port_cb(pa_sink *s, pa_device_port *p) { + return 0; +} + +static int source_set_port_cb(pa_source *s, pa_device_port *p) { + return 0; +} /* Run from main thread */ static int add_sink(struct userdata *u) { + char *k; -#ifdef NOKIA if (USE_SCO_OVER_PCM(u)) { pa_proplist *p; u->sink = u->hsp.sco_sink; p = pa_proplist_new(); - pa_proplist_sets(p, "bluetooth.protocol", "sco"); + pa_proplist_sets(p, "bluetooth.protocol", profile_to_string(u->profile)); pa_proplist_update(u->sink->proplist, PA_UPDATE_MERGE, p); pa_proplist_free(p); if (!u->hsp.sink_state_changed_slot) u->hsp.sink_state_changed_slot = pa_hook_connect(&u->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], PA_HOOK_NORMAL, (pa_hook_cb_t) sink_state_changed_cb, u); - } else -#endif - - { + } else { pa_sink_new_data data; pa_bool_t b; @@ -1627,7 +1675,7 @@ static int add_sink(struct userdata *u) { data.driver = __FILE__; data.module = u->module; pa_sink_new_data_set_sample_spec(&data, &u->sample_spec); - pa_proplist_sets(data.proplist, "bluetooth.protocol", u->profile == PROFILE_A2DP ? "a2dp" : "sco"); + pa_proplist_sets(data.proplist, "bluetooth.protocol", profile_to_string(u->profile)); if (u->profile == PROFILE_HSP) pa_proplist_sets(data.proplist, PA_PROP_DEVICE_INTENDED_ROLES, "phone"); data.card = u->card; @@ -1639,8 +1687,9 @@ static int add_sink(struct userdata *u) { pa_sink_new_data_done(&data); return -1; } + connect_ports(u, &data, PA_DIRECTION_OUTPUT); - u->sink = pa_sink_new(u->core, &data, PA_SINK_HARDWARE|PA_SINK_LATENCY | (u->profile == PROFILE_HSP ? PA_SINK_HW_VOLUME_CTRL : 0)); + u->sink = pa_sink_new(u->core, &data, PA_SINK_HARDWARE|PA_SINK_LATENCY); pa_sink_new_data_done(&data); if (!u->sink) { @@ -1650,16 +1699,16 @@ static int add_sink(struct userdata *u) { u->sink->userdata = u; u->sink->parent.process_msg = sink_process_msg; - - pa_sink_set_max_request(u->sink, u->block_size); - pa_sink_set_fixed_latency(u->sink, - (u->profile == PROFILE_A2DP ? FIXED_LATENCY_PLAYBACK_A2DP : FIXED_LATENCY_PLAYBACK_HSP) + - pa_bytes_to_usec(u->block_size, &u->sample_spec)); + u->sink->set_port = sink_set_port_cb; } if (u->profile == PROFILE_HSP) { - u->sink->set_volume = sink_set_volume_cb; + pa_sink_set_set_volume_callback(u->sink, sink_set_volume_cb); u->sink->n_volume_steps = 16; + + k = pa_sprintf_malloc("bluetooth-device@%p", (void*) u->sink); + pa_shared_set(u->core, k, u); + pa_xfree(k); } return 0; @@ -1667,19 +1716,16 @@ static int add_sink(struct userdata *u) { /* Run from main thread */ static int add_source(struct userdata *u) { + char *k; -#ifdef NOKIA if (USE_SCO_OVER_PCM(u)) { u->source = u->hsp.sco_source; - pa_proplist_sets(u->source->proplist, "bluetooth.protocol", "hsp"); + pa_proplist_sets(u->source->proplist, "bluetooth.protocol", profile_to_string(u->profile)); if (!u->hsp.source_state_changed_slot) u->hsp.source_state_changed_slot = pa_hook_connect(&u->core->hooks[PA_CORE_HOOK_SOURCE_STATE_CHANGED], PA_HOOK_NORMAL, (pa_hook_cb_t) source_state_changed_cb, u); - } else -#endif - - { + } else { pa_source_new_data data; pa_bool_t b; @@ -1687,9 +1733,10 @@ static int add_source(struct userdata *u) { data.driver = __FILE__; data.module = u->module; pa_source_new_data_set_sample_spec(&data, &u->sample_spec); - pa_proplist_sets(data.proplist, "bluetooth.protocol", u->profile == PROFILE_A2DP ? "a2dp" : "hsp"); + pa_proplist_sets(data.proplist, "bluetooth.protocol", profile_to_string(u->profile)); if (u->profile == PROFILE_HSP) pa_proplist_sets(data.proplist, PA_PROP_DEVICE_INTENDED_ROLES, "phone"); + data.card = u->card; data.name = get_name("source", u->modargs, u->address, &b); data.namereg_fail = b; @@ -1700,7 +1747,8 @@ static int add_source(struct userdata *u) { return -1; } - u->source = pa_source_new(u->core, &data, PA_SOURCE_HARDWARE|PA_SOURCE_LATENCY | (u->profile == PROFILE_HSP ? PA_SOURCE_HW_VOLUME_CTRL : 0)); + connect_ports(u, &data, PA_DIRECTION_INPUT); + u->source = pa_source_new(u->core, &data, PA_SOURCE_HARDWARE|PA_SOURCE_LATENCY); pa_source_new_data_done(&data); if (!u->source) { @@ -1710,87 +1758,183 @@ static int add_source(struct userdata *u) { u->source->userdata = u; u->source->parent.process_msg = source_process_msg; + u->source->set_port = source_set_port_cb; + } + + if ((u->profile == PROFILE_HSP) || (u->profile == PROFILE_HFGW)) { + pa_bluetooth_transport *t; + t = pa_bluetooth_discovery_get_transport(u->discovery, u->transport); + pa_assert(t); + pa_proplist_sets(u->source->proplist, "bluetooth.nrec", t->nrec ? "1" : "0"); - pa_source_set_fixed_latency(u->source, - (/* u->profile == PROFILE_A2DP ? FIXED_LATENCY_RECORD_A2DP : */ FIXED_LATENCY_RECORD_HSP) + - pa_bytes_to_usec(u->block_size, &u->sample_spec)); + if (!u->hsp.nrec_changed_slot) + u->hsp.nrec_changed_slot = pa_hook_connect(&t->hooks[PA_BLUETOOTH_TRANSPORT_HOOK_NREC_CHANGED], PA_HOOK_NORMAL, (pa_hook_cb_t) nrec_changed_cb, u); } if (u->profile == PROFILE_HSP) { - pa_proplist_sets(u->source->proplist, "bluetooth.nrec", (u->hsp.pcm_capabilities.flags & BT_PCM_FLAG_NREC) ? "1" : "0"); - u->source->set_volume = source_set_volume_cb; + pa_source_set_set_volume_callback(u->source, source_set_volume_cb); u->source->n_volume_steps = 16; + + k = pa_sprintf_malloc("bluetooth-device@%p", (void*) u->source); + pa_shared_set(u->core, k, u); + pa_xfree(k); } return 0; } -/* Run from main thread */ -static void shutdown_bt(struct userdata *u) { - pa_assert(u); +static void bt_transport_config_a2dp(struct userdata *u) { + const pa_bluetooth_transport *t; + struct a2dp_info *a2dp = &u->a2dp; + a2dp_sbc_t *config; - if (u->stream_fd >= 0) { - pa_close(u->stream_fd); - u->stream_fd = -1; + t = pa_bluetooth_discovery_get_transport(u->discovery, u->transport); + pa_assert(t); + + config = (a2dp_sbc_t *) t->config; + + u->sample_spec.format = PA_SAMPLE_S16LE; + + if (a2dp->sbc_initialized) + sbc_reinit(&a2dp->sbc, 0); + else + sbc_init(&a2dp->sbc, 0); + a2dp->sbc_initialized = TRUE; - u->stream_write_type = 0; + switch (config->frequency) { + case BT_SBC_SAMPLING_FREQ_16000: + a2dp->sbc.frequency = SBC_FREQ_16000; + u->sample_spec.rate = 16000U; + break; + case BT_SBC_SAMPLING_FREQ_32000: + a2dp->sbc.frequency = SBC_FREQ_32000; + u->sample_spec.rate = 32000U; + break; + case BT_SBC_SAMPLING_FREQ_44100: + a2dp->sbc.frequency = SBC_FREQ_44100; + u->sample_spec.rate = 44100U; + break; + case BT_SBC_SAMPLING_FREQ_48000: + a2dp->sbc.frequency = SBC_FREQ_48000; + u->sample_spec.rate = 48000U; + break; + default: + pa_assert_not_reached(); } - if (u->service_fd >= 0) { - pa_close(u->service_fd); - u->service_fd = -1; - u->service_write_type = 0; - u->service_read_type = 0; + switch (config->channel_mode) { + case BT_A2DP_CHANNEL_MODE_MONO: + a2dp->sbc.mode = SBC_MODE_MONO; + u->sample_spec.channels = 1; + break; + case BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL: + a2dp->sbc.mode = SBC_MODE_DUAL_CHANNEL; + u->sample_spec.channels = 2; + break; + case BT_A2DP_CHANNEL_MODE_STEREO: + a2dp->sbc.mode = SBC_MODE_STEREO; + u->sample_spec.channels = 2; + break; + case BT_A2DP_CHANNEL_MODE_JOINT_STEREO: + a2dp->sbc.mode = SBC_MODE_JOINT_STEREO; + u->sample_spec.channels = 2; + break; + default: + pa_assert_not_reached(); } - if (u->write_memchunk.memblock) { - pa_memblock_unref(u->write_memchunk.memblock); - pa_memchunk_reset(&u->write_memchunk); + switch (config->allocation_method) { + case BT_A2DP_ALLOCATION_SNR: + a2dp->sbc.allocation = SBC_AM_SNR; + break; + case BT_A2DP_ALLOCATION_LOUDNESS: + a2dp->sbc.allocation = SBC_AM_LOUDNESS; + break; + default: + pa_assert_not_reached(); } -} -/* Run from main thread */ -static int init_bt(struct userdata *u) { - pa_assert(u); + switch (config->subbands) { + case BT_A2DP_SUBBANDS_4: + a2dp->sbc.subbands = SBC_SB_4; + break; + case BT_A2DP_SUBBANDS_8: + a2dp->sbc.subbands = SBC_SB_8; + break; + default: + pa_assert_not_reached(); + } - shutdown_bt(u); + switch (config->block_length) { + case BT_A2DP_BLOCK_LENGTH_4: + a2dp->sbc.blocks = SBC_BLK_4; + break; + case BT_A2DP_BLOCK_LENGTH_8: + a2dp->sbc.blocks = SBC_BLK_8; + break; + case BT_A2DP_BLOCK_LENGTH_12: + a2dp->sbc.blocks = SBC_BLK_12; + break; + case BT_A2DP_BLOCK_LENGTH_16: + a2dp->sbc.blocks = SBC_BLK_16; + break; + default: + pa_assert_not_reached(); + } - u->stream_write_type = 0; - u->service_write_type = 0; - u->service_read_type = 0; + a2dp->min_bitpool = config->min_bitpool; + a2dp->max_bitpool = config->max_bitpool; - if ((u->service_fd = bt_audio_service_open()) < 0) { - pa_log_error("Couldn't connect to bluetooth audio service"); - return -1; - } + /* Set minimum bitpool for source to get the maximum possible block_size */ + a2dp->sbc.bitpool = u->profile == PROFILE_A2DP ? a2dp->max_bitpool : a2dp->min_bitpool; + a2dp->codesize = sbc_get_codesize(&a2dp->sbc); + a2dp->frame_length = sbc_get_frame_length(&a2dp->sbc); - pa_log_debug("Connected to the bluetooth audio service"); + pa_log_info("SBC parameters:\n\tallocation=%u\n\tsubbands=%u\n\tblocks=%u\n\tbitpool=%u\n", + a2dp->sbc.allocation, a2dp->sbc.subbands, a2dp->sbc.blocks, a2dp->sbc.bitpool); +} - return 0; +static void bt_transport_config(struct userdata *u) { + if (u->profile == PROFILE_HSP || u->profile == PROFILE_HFGW) { + u->sample_spec.format = PA_SAMPLE_S16LE; + u->sample_spec.channels = 1; + u->sample_spec.rate = 8000; + } else + bt_transport_config_a2dp(u); } /* Run from main thread */ static int setup_bt(struct userdata *u) { + const pa_bluetooth_device *d; + const pa_bluetooth_transport *t; + pa_assert(u); - if (get_caps(u, 0) < 0) + if (!(d = pa_bluetooth_discovery_get_by_path(u->discovery, u->path))) { + pa_log_error("Failed to get device object."); return -1; + } - pa_log_debug("Got device capabilities"); + /* release transport if exist */ + if (u->transport) { + bt_transport_release(u); + pa_xfree(u->transport); + u->transport = NULL; + } - if (set_conf(u) < 0) + /* check if profile has a transport */ + t = pa_bluetooth_device_get_transport(d, u->profile); + if (t == NULL) { + pa_log_warn("Profile has no transport"); return -1; + } - pa_log_debug("Connection to the device configured"); + u->transport = pa_xstrdup(t->path); -#ifdef NOKIA - if (USE_SCO_OVER_PCM(u)) { - pa_log_debug("Configured to use SCO over PCM"); - return 0; - } -#endif + if (bt_transport_acquire(u, FALSE) < 0) + return -1; - pa_log_debug("Got the stream socket"); + bt_transport_config(u); return 0; } @@ -1805,11 +1949,14 @@ static int init_profile(struct userdata *u) { return -1; if (u->profile == PROFILE_A2DP || - u->profile == PROFILE_HSP) + u->profile == PROFILE_HSP || + u->profile == PROFILE_HFGW) if (add_sink(u) < 0) r = -1; - if (u->profile == PROFILE_HSP) + if (u->profile == PROFILE_HSP || + u->profile == PROFILE_A2DP_SOURCE || + u->profile == PROFILE_HFGW) if (add_source(u) < 0) r = -1; @@ -1818,6 +1965,8 @@ static int init_profile(struct userdata *u) { /* Run from main thread */ static void stop_thread(struct userdata *u) { + char *k; + pa_assert(u); if (u->thread) { @@ -1841,12 +1990,29 @@ static void stop_thread(struct userdata *u) { u->hsp.source_state_changed_slot = NULL; } + if (u->hsp.nrec_changed_slot) { + pa_hook_slot_free(u->hsp.nrec_changed_slot); + u->hsp.nrec_changed_slot = NULL; + } + if (u->sink) { + if (u->profile == PROFILE_HSP) { + k = pa_sprintf_malloc("bluetooth-device@%p", (void*) u->sink); + pa_shared_remove(u->core, k); + pa_xfree(k); + } + pa_sink_unref(u->sink); u->sink = NULL; } if (u->source) { + if (u->profile == PROFILE_HSP) { + k = pa_sprintf_malloc("bluetooth-device@%p", (void*) u->source); + pa_shared_remove(u->core, k); + pa_xfree(k); + } + pa_source_unref(u->source); u->source = NULL; } @@ -1874,19 +2040,32 @@ static int start_thread(struct userdata *u) { u->rtpoll = pa_rtpoll_new(); pa_thread_mq_init(&u->thread_mq, u->core->mainloop, u->rtpoll); -#ifdef NOKIA if (USE_SCO_OVER_PCM(u)) { - if (start_stream_fd(u) < 0) + if (sco_over_pcm_state_update(u, FALSE) < 0) { + char *k; + + if (u->sink) { + k = pa_sprintf_malloc("bluetooth-device@%p", (void*) u->sink); + pa_shared_remove(u->core, k); + pa_xfree(k); + u->sink = NULL; + } + if (u->source) { + k = pa_sprintf_malloc("bluetooth-device@%p", (void*) u->source); + pa_shared_remove(u->core, k); + pa_xfree(k); + u->source = NULL; + } return -1; + } pa_sink_ref(u->sink); pa_source_ref(u->source); /* FIXME: monitor stream_fd error */ return 0; } -#endif - if (!(u->thread = pa_thread_new(thread_func, u))) { + if (!(u->thread = pa_thread_new("bluetooth", thread_func, u))) { pa_log_error("Failed to create IO thread"); stop_thread(u); return -1; @@ -1913,6 +2092,22 @@ static int start_thread(struct userdata *u) { return 0; } +static void save_sco_volume_callbacks(struct userdata *u) { + pa_assert(u); + pa_assert(USE_SCO_OVER_PCM(u)); + + u->hsp.sco_sink_set_volume = u->hsp.sco_sink->set_volume; + u->hsp.sco_source_set_volume = u->hsp.sco_source->set_volume; +} + +static void restore_sco_volume_callbacks(struct userdata *u) { + pa_assert(u); + pa_assert(USE_SCO_OVER_PCM(u)); + + pa_sink_set_set_volume_callback(u->hsp.sco_sink, u->hsp.sco_sink_set_volume); + pa_source_set_set_volume_callback(u->hsp.sco_source, u->hsp.sco_source_set_volume); +} + /* Run from main thread */ static int card_set_profile(pa_card *c, pa_card_profile *new_profile) { struct userdata *u; @@ -1939,35 +2134,47 @@ static int card_set_profile(pa_card *c, pa_card_profile *new_profile) { if (device->headset_state < PA_BT_AUDIO_STATE_CONNECTED && *d == PROFILE_HSP) { pa_log_warn("HSP is not connected, refused to switch profile"); return -PA_ERR_IO; - } - else if (device->audio_sink_state < PA_BT_AUDIO_STATE_CONNECTED && *d == PROFILE_A2DP) { - pa_log_warn("A2DP is not connected, refused to switch profile"); + } else if (device->audio_sink_state < PA_BT_AUDIO_STATE_CONNECTED && *d == PROFILE_A2DP) { + pa_log_warn("A2DP Sink is not connected, refused to switch profile"); + return -PA_ERR_IO; + } else if (device->audio_source_state < PA_BT_AUDIO_STATE_CONNECTED && *d == PROFILE_A2DP_SOURCE) { + pa_log_warn("A2DP Source is not connected, refused to switch profile"); + return -PA_ERR_IO; + } else if (device->hfgw_state < PA_BT_AUDIO_STATE_CONNECTED && *d == PROFILE_HFGW) { + pa_log_warn("HandsfreeGateway is not connected, refused to switch profile"); return -PA_ERR_IO; } if (u->sink) { inputs = pa_sink_move_all_start(u->sink, NULL); -#ifdef NOKIA + if (!USE_SCO_OVER_PCM(u)) -#endif pa_sink_unlink(u->sink); } if (u->source) { outputs = pa_source_move_all_start(u->source, NULL); -#ifdef NOKIA + if (!USE_SCO_OVER_PCM(u)) -#endif pa_source_unlink(u->source); } stop_thread(u); - shutdown_bt(u); + + if (u->profile != PROFILE_OFF && u->transport) { + bt_transport_release(u); + pa_xfree(u->transport); + u->transport = NULL; + } + + if (USE_SCO_OVER_PCM(u)) + restore_sco_volume_callbacks(u); u->profile = *d; u->sample_spec = u->requested_sample_spec; - init_bt(u); + if (USE_SCO_OVER_PCM(u)) + save_sco_volume_callbacks(u); if (u->profile != PROFILE_OFF) init_profile(u); @@ -1992,6 +2199,75 @@ static int card_set_profile(pa_card *c, pa_card_profile *new_profile) { return 0; } +static void create_ports_for_profile(struct userdata *u, const pa_bluetooth_device *device, pa_card_new_data *card_new_data, pa_card_profile *profile) { + pa_device_port *port; + enum profile *d; + + d = PA_CARD_PROFILE_DATA(profile); + + switch (*d) { + case PROFILE_A2DP: + pa_assert_se(port = pa_device_port_new(u->core, "a2dp-output", _("Bluetooth High Quality (A2DP)"), 0)); + pa_assert_se(pa_hashmap_put(card_new_data->ports, port->name, port) >= 0); + port->is_output = 1; + port->is_input = 0; + port->priority = profile->priority * 100; + port->available = audio_state_to_availability(device->audio_sink_state); + pa_hashmap_put(port->profiles, profile->name, profile); + break; + + case PROFILE_A2DP_SOURCE: + pa_assert_se(port = pa_device_port_new(u->core, "a2dp-input", _("Bluetooth High Quality (A2DP)"), 0)); + pa_assert_se(pa_hashmap_put(card_new_data->ports, port->name, port) >= 0); + port->is_output = 0; + port->is_input = 1; + port->priority = profile->priority * 100; + port->available = audio_state_to_availability(device->audio_source_state); + pa_hashmap_put(port->profiles, profile->name, profile); + break; + + case PROFILE_HSP: + pa_assert_se(port = pa_device_port_new(u->core, "hsp-output", _("Bluetooth Telephony (HSP/HFP)"), 0)); + pa_assert_se(pa_hashmap_put(card_new_data->ports, port->name, port) >= 0); + port->is_output = 1; + port->is_input = 0; + port->priority = profile->priority * 100; + port->available = audio_state_to_availability(device->headset_state); + pa_hashmap_put(port->profiles, profile->name, profile); + + pa_assert_se(port = pa_device_port_new(u->core, "hsp-input", _("Bluetooth Telephony (HSP/HFP)"), 0)); + pa_assert_se(pa_hashmap_put(card_new_data->ports, port->name, port) >= 0); + port->is_output = 0; + port->is_input = 1; + port->priority = profile->priority * 100; + port->available = audio_state_to_availability(device->headset_state); + pa_hashmap_put(port->profiles, profile->name, profile); + break; + + case PROFILE_HFGW: + pa_assert_se(port = pa_device_port_new(u->core, "hfgw-output", _("Bluetooth Handsfree Gateway"), 0)); + pa_assert_se(pa_hashmap_put(card_new_data->ports, port->name, port) >= 0); + port->is_output = 1; + port->is_input = 0; + port->priority = profile->priority * 100; + port->available = audio_state_to_availability(device->hfgw_state); + pa_hashmap_put(port->profiles, profile->name, profile); + + pa_assert_se(port = pa_device_port_new(u->core, "hfgw-input", _("Bluetooth Handsfree Gateway"), 0)); + pa_assert_se(pa_hashmap_put(card_new_data->ports, port->name, port) >= 0); + port->is_output = 0; + port->is_input = 1; + port->priority = profile->priority * 100; + port->available = audio_state_to_availability(device->hfgw_state); + pa_hashmap_put(port->profiles, profile->name, profile); + break; + + default: + pa_assert_not_reached(); + } + +} + /* Run from main thread */ static int add_card(struct userdata *u, const pa_bluetooth_device *device) { pa_card_new_data data; @@ -2046,6 +2322,22 @@ static int add_card(struct userdata *u, const pa_bluetooth_device *device) { d = PA_CARD_PROFILE_DATA(p); *d = PROFILE_A2DP; + create_ports_for_profile(u, device, &data, p); + + pa_hashmap_put(data.profiles, p->name, p); + } + + if (pa_bluetooth_uuid_has(device->uuids, A2DP_SOURCE_UUID)) { + p = pa_card_profile_new("a2dp_source", _("High Fidelity Capture (A2DP)"), sizeof(enum profile)); + p->priority = 10; + p->n_sinks = 0; + p->n_sources = 1; + p->max_sink_channels = 0; + p->max_source_channels = 2; + + d = PA_CARD_PROFILE_DATA(p); + *d = PROFILE_A2DP_SOURCE; + create_ports_for_profile(u, device, &data, p); pa_hashmap_put(data.profiles, p->name, p); } @@ -2061,6 +2353,22 @@ static int add_card(struct userdata *u, const pa_bluetooth_device *device) { d = PA_CARD_PROFILE_DATA(p); *d = PROFILE_HSP; + create_ports_for_profile(u, device, &data, p); + + pa_hashmap_put(data.profiles, p->name, p); + } + + if (pa_bluetooth_uuid_has(device->uuids, HFP_AG_UUID)) { + p = pa_card_profile_new("hfgw", _("Handsfree Gateway"), sizeof(enum profile)); + p->priority = 20; + p->n_sinks = 1; + p->n_sources = 1; + p->max_sink_channels = 1; + p->max_source_channels = 1; + + d = PA_CARD_PROFILE_DATA(p); + *d = PROFILE_HFGW; + create_ports_for_profile(u, device, &data, p); pa_hashmap_put(data.profiles, p->name, p); } @@ -2093,7 +2401,9 @@ static int add_card(struct userdata *u, const pa_bluetooth_device *device) { d = PA_CARD_PROFILE_DATA(u->card->active_profile); if ((device->headset_state < PA_BT_AUDIO_STATE_CONNECTED && *d == PROFILE_HSP) || - (device->audio_sink_state < PA_BT_AUDIO_STATE_CONNECTED && *d == PROFILE_A2DP)) { + (device->audio_sink_state < PA_BT_AUDIO_STATE_CONNECTED && *d == PROFILE_A2DP) || + (device->audio_source_state < PA_BT_AUDIO_STATE_CONNECTED && *d == PROFILE_A2DP_SOURCE) || + (device->hfgw_state < PA_BT_AUDIO_STATE_CONNECTED && *d == PROFILE_HFGW)) { pa_log_warn("Default profile not connected, selecting off profile"); u->card->active_profile = pa_hashmap_get(u->card->profiles, "off"); u->card->save_profile = FALSE; @@ -2102,6 +2412,9 @@ static int add_card(struct userdata *u, const pa_bluetooth_device *device) { d = PA_CARD_PROFILE_DATA(u->card->active_profile); u->profile = *d; + if (USE_SCO_OVER_PCM(u)) + save_sco_volume_callbacks(u); + return 0; } @@ -2123,7 +2436,7 @@ static const pa_bluetooth_device* find_device(struct userdata *u, const char *ad } if (address && !(pa_streq(d->address, address))) { - pa_log_error("Passed path %s and address %s don't match.", path, address); + pa_log_error("Passed path %s address %s != %s don't match.", path, d->address, address); return NULL; } @@ -2180,12 +2493,10 @@ int pa__init(pa_module* m) { m->userdata = u = pa_xnew0(struct userdata, 1); u->module = m; u->core = m->core; - u->service_fd = -1; u->stream_fd = -1; u->sample_spec = m->core->default_sample_spec; u->modargs = ma; -#ifdef NOKIA if (pa_modargs_get_value(ma, "sco_sink", NULL) && !(u->hsp.sco_sink = pa_namereg_get(m->core, pa_modargs_get_value(ma, "sco_sink", NULL), PA_NAMEREG_SINK))) { pa_log("SCO sink not found"); @@ -2197,7 +2508,6 @@ int pa__init(pa_module* m) { pa_log("SCO source not found"); goto fail; } -#endif if (pa_modargs_get_value_u32(ma, "rate", &u->sample_spec.rate) < 0 || u->sample_spec.rate <= 0 || u->sample_spec.rate > PA_RATE_MAX) { @@ -2205,6 +2515,12 @@ int pa__init(pa_module* m) { goto fail; } + u->auto_connect = TRUE; + if (pa_modargs_get_value_boolean(ma, "auto_connect", &u->auto_connect)) { + pa_log("Failed to parse auto_connect= argument"); + goto fail; + } + channels = u->sample_spec.channels; if (pa_modargs_get_value_u32(ma, "channels", &channels) < 0 || channels <= 0 || channels > PA_CHANNELS_MAX) { @@ -2230,14 +2546,17 @@ int pa__init(pa_module* m) { if (add_card(u, device) < 0) goto fail; - /* Connect to the BT service and query capabilities */ - if (init_bt(u) < 0) + if (!(u->msg = pa_msgobject_new(bluetooth_msg))) goto fail; + u->msg->parent.process_msg = device_process_msg; + u->msg->card = u->card; + if (!dbus_connection_add_filter(pa_dbus_connection_get(u->connection), filter_cb, u, NULL)) { pa_log_error("Failed to add filter function"); goto fail; } + u->filter_added = TRUE; speaker = pa_sprintf_malloc("type='signal',sender='org.bluez',interface='org.bluez.Headset',member='SpeakerGainChanged',path='%s'", u->path); mike = pa_sprintf_malloc("type='signal',sender='org.bluez',interface='org.bluez.Headset',member='MicrophoneGainChanged',path='%s'", u->path); @@ -2246,6 +2565,11 @@ int pa__init(pa_module* m) { pa_dbus_connection_get(u->connection), &err, speaker, mike, + "type='signal',sender='org.bluez',interface='org.bluez.MediaTransport',member='PropertyChanged'", + "type='signal',sender='org.bluez',interface='org.bluez.HandsfreeGateway',member='PropertyChanged'", + "type='signal',sender='org.bluez',interface='org.bluez.Headset',member='PropertyChanged'", + "type='signal',sender='org.bluez',interface='org.bluez.AudioSource',member='PropertyChanged'", + "type='signal',sender='org.bluez',interface='org.bluez.AudioSink',member='PropertyChanged'", NULL) < 0) { pa_xfree(speaker); @@ -2290,27 +2614,23 @@ int pa__get_n_used(pa_module *m) { void pa__done(pa_module *m) { struct userdata *u; + pa_assert(m); if (!(u = m->userdata)) return; - if (u->sink -#ifdef NOKIA - && !USE_SCO_OVER_PCM(u) -#endif - ) + if (u->sink && !USE_SCO_OVER_PCM(u)) pa_sink_unlink(u->sink); - if (u->source -#ifdef NOKIA - && !USE_SCO_OVER_PCM(u) -#endif - ) + if (u->source && !USE_SCO_OVER_PCM(u)) pa_source_unlink(u->source); stop_thread(u); + if (USE_SCO_OVER_PCM(u)) + restore_sco_volume_callbacks(u); + if (u->connection) { if (u->path) { @@ -2318,27 +2638,30 @@ void pa__done(pa_module *m) { speaker = pa_sprintf_malloc("type='signal',sender='org.bluez',interface='org.bluez.Headset',member='SpeakerGainChanged',path='%s'", u->path); mike = pa_sprintf_malloc("type='signal',sender='org.bluez',interface='org.bluez.Headset',member='MicrophoneGainChanged',path='%s'", u->path); - pa_dbus_remove_matches(pa_dbus_connection_get(u->connection), - speaker, - mike, - NULL); + pa_dbus_remove_matches(pa_dbus_connection_get(u->connection), speaker, mike, + "type='signal',sender='org.bluez',interface='org.bluez.MediaTransport',member='PropertyChanged'", + "type='signal',sender='org.bluez',interface='org.bluez.HandsfreeGateway',member='PropertyChanged'", + NULL); pa_xfree(speaker); pa_xfree(mike); } - dbus_connection_remove_filter(pa_dbus_connection_get(u->connection), filter_cb, u); + if (u->filter_added) + dbus_connection_remove_filter(pa_dbus_connection_get(u->connection), filter_cb, u); + pa_dbus_connection_unref(u->connection); } + if (u->msg) + pa_xfree(u->msg); + if (u->card) pa_card_free(u->card); if (u->read_smoother) pa_smoother_free(u->read_smoother); - shutdown_bt(u); - if (u->a2dp.buffer) pa_xfree(u->a2dp.buffer); @@ -2350,6 +2673,11 @@ void pa__done(pa_module *m) { pa_xfree(u->address); pa_xfree(u->path); + if (u->transport) { + bt_transport_release(u); + pa_xfree(u->transport); + } + if (u->discovery) pa_bluetooth_discovery_unref(u->discovery);