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pipewire/spa/plugins/bluez5/bluez5-device.c
Pauli Virtanen 65f594c6a1 bluez5: further HFP cleanups 
Fix naming issues.
2024-01-25 08:43:45 +00:00

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/* Spa Bluez5 Device */
/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#include <stddef.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <poll.h>
#include <errno.h>
#include <spa/support/log.h>
#include <spa/utils/type.h>
#include <spa/utils/keys.h>
#include <spa/utils/names.h>
#include <spa/utils/string.h>
#include <spa/node/node.h>
#include <spa/support/loop.h>
#include <spa/support/plugin.h>
#include <spa/support/i18n.h>
#include <spa/monitor/device.h>
#include <spa/monitor/utils.h>
#include <spa/monitor/event.h>
#include <spa/pod/filter.h>
#include <spa/pod/parser.h>
#include <spa/param/param.h>
#include <spa/param/audio/raw.h>
#include <spa/param/bluetooth/audio.h>
#include <spa/param/bluetooth/type-info.h>
#include <spa/debug/pod.h>
#include <spa/debug/log.h>
#include "defs.h"
#include "media-codecs.h"
SPA_LOG_TOPIC_DEFINE_STATIC(log_topic, "spa.bluez5.device");
#undef SPA_LOG_TOPIC_DEFAULT
#define SPA_LOG_TOPIC_DEFAULT &log_topic
#define MAX_NODES (2*SPA_AUDIO_MAX_CHANNELS)
#define DEVICE_ID_SOURCE 0
#define DEVICE_ID_SINK 1
#define DEVICE_ID_SOURCE_SET (MAX_NODES + 0)
#define DEVICE_ID_SINK_SET (MAX_NODES + 1)
#define SINK_ID_FLAG 0x1
#define DYNAMIC_NODE_ID_FLAG 0x1000
static struct spa_i18n *_i18n;
#define _(_str) spa_i18n_text(_i18n,(_str))
#define N_(_str) (_str)
enum {
DEVICE_PROFILE_OFF = 0,
DEVICE_PROFILE_AG = 1,
DEVICE_PROFILE_A2DP = 2,
DEVICE_PROFILE_HSP_HFP = 3,
DEVICE_PROFILE_BAP = 4,
DEVICE_PROFILE_LAST = DEVICE_PROFILE_BAP,
};
struct props {
enum spa_bluetooth_audio_codec codec;
bool offload_active;
};
static void reset_props(struct props *props)
{
props->codec = 0;
props->offload_active = false;
}
struct impl;
struct node {
struct impl *impl;
struct spa_bt_transport *transport;
struct spa_hook transport_listener;
uint32_t id;
unsigned int active:1;
unsigned int mute:1;
unsigned int save:1;
unsigned int a2dp_duplex:1;
unsigned int offload_acquired:1;
uint32_t n_channels;
int64_t latency_offset;
uint32_t channels[SPA_AUDIO_MAX_CHANNELS];
float volumes[SPA_AUDIO_MAX_CHANNELS];
float soft_volumes[SPA_AUDIO_MAX_CHANNELS];
};
struct dynamic_node
{
struct impl *impl;
struct spa_bt_transport *transport;
struct spa_hook transport_listener;
uint32_t id;
const char *factory_name;
bool a2dp_duplex;
};
struct device_set_member {
struct impl *impl;
struct spa_bt_transport *transport;
struct spa_hook listener;
uint32_t id;
};
struct device_set {
struct impl *impl;
char *path;
bool leader;
uint32_t sinks;
uint32_t sources;
struct device_set_member sink[SPA_AUDIO_MAX_CHANNELS];
struct device_set_member source[SPA_AUDIO_MAX_CHANNELS];
};
struct impl {
struct spa_handle handle;
struct spa_device device;
struct spa_log *log;
uint32_t info_all;
struct spa_device_info info;
#define IDX_EnumProfile 0
#define IDX_Profile 1
#define IDX_EnumRoute 2
#define IDX_Route 3
#define IDX_PropInfo 4
#define IDX_Props 5
struct spa_param_info params[6];
struct spa_hook_list hooks;
struct props props;
struct spa_bt_device *bt_dev;
struct spa_hook bt_dev_listener;
uint32_t profile;
unsigned int switching_codec:1;
unsigned int save_profile:1;
uint32_t prev_bt_connected_profiles;
struct device_set device_set;
const struct media_codec **supported_codecs;
size_t supported_codec_count;
struct dynamic_node dyn_nodes[MAX_NODES + 2];
#define MAX_SETTINGS 32
struct spa_dict_item setting_items[MAX_SETTINGS];
struct spa_dict setting_dict;
struct node nodes[MAX_NODES + 2];
};
static void init_node(struct impl *this, struct node *node, uint32_t id)
{
uint32_t i;
spa_zero(*node);
node->id = id;
for (i = 0; i < SPA_AUDIO_MAX_CHANNELS; i++) {
node->volumes[i] = 1.0f;
node->soft_volumes[i] = 1.0f;
}
}
static void get_media_codecs(struct impl *this, enum spa_bluetooth_audio_codec id, const struct media_codec **codecs, size_t size)
{
const struct media_codec * const *c;
spa_assert(size > 0);
spa_assert(this->supported_codecs);
for (c = this->supported_codecs; *c && size > 1; ++c) {
if ((*c)->id == id || id == 0) {
*codecs++ = *c;
--size;
}
}
*codecs = NULL;
}
static const struct media_codec *get_supported_media_codec(struct impl *this, enum spa_bluetooth_audio_codec id,
size_t *idx, enum spa_bt_profile profile)
{
const struct media_codec *media_codec = NULL;
size_t i;
for (i = 0; i < this->supported_codec_count; ++i) {
if (this->supported_codecs[i]->id == id) {
media_codec = this->supported_codecs[i];
if (idx)
*idx = i;
}
}
if (!media_codec)
return NULL;
if (!spa_bt_device_supports_media_codec(this->bt_dev, media_codec, profile))
return NULL;
return media_codec;
}
static bool is_bap_client(struct impl *this)
{
struct spa_bt_device *device = this->bt_dev;
struct spa_bt_transport *t;
spa_list_for_each(t, &device->transport_list, device_link) {
if (t->bap_initiator)
return true;
}
return false;
}
static bool can_bap_codec_switch(struct impl *this)
{
if (!is_bap_client(this))
return false;
/* XXX: codec switching for source/duplex is not currently
* XXX: implemented properly. TODO: fix this
*/
if (this->bt_dev->connected_profiles & SPA_BT_PROFILE_BAP_SOURCE)
return false;
return true;
}
static unsigned int get_hfp_codec(enum spa_bluetooth_audio_codec id)
{
switch (id) {
case SPA_BLUETOOTH_AUDIO_CODEC_CVSD:
return HFP_AUDIO_CODEC_CVSD;
case SPA_BLUETOOTH_AUDIO_CODEC_MSBC:
return HFP_AUDIO_CODEC_MSBC;
case SPA_BLUETOOTH_AUDIO_CODEC_LC3_SWB:
return HFP_AUDIO_CODEC_LC3_SWB;
default:
return 0;
}
}
static enum spa_bluetooth_audio_codec get_hfp_codec_id(unsigned int codec)
{
switch (codec) {
case HFP_AUDIO_CODEC_MSBC:
return SPA_BLUETOOTH_AUDIO_CODEC_MSBC;
case HFP_AUDIO_CODEC_LC3_SWB:
return SPA_BLUETOOTH_AUDIO_CODEC_LC3_SWB;
case HFP_AUDIO_CODEC_CVSD:
return SPA_BLUETOOTH_AUDIO_CODEC_CVSD;
}
return SPA_ID_INVALID;
}
static const char *get_hfp_codec_description(unsigned int codec)
{
switch (codec) {
case HFP_AUDIO_CODEC_MSBC:
return "mSBC";
case HFP_AUDIO_CODEC_LC3_SWB:
return "LC3-SWB";
case HFP_AUDIO_CODEC_CVSD:
return "CVSD";
}
return "unknown";
}
static const char *get_hfp_codec_name(unsigned int codec)
{
switch (codec) {
case HFP_AUDIO_CODEC_MSBC:
return "msbc";
case HFP_AUDIO_CODEC_LC3_SWB:
return "lc3_swb";
case HFP_AUDIO_CODEC_CVSD:
return "cvsd";
}
return "unknown";
}
static const char *get_codec_name(struct spa_bt_transport *t, bool a2dp_duplex)
{
if (t->media_codec != NULL) {
if (a2dp_duplex && t->media_codec->duplex_codec)
return t->media_codec->duplex_codec->name;
return t->media_codec->name;
}
return get_hfp_codec_name(t->codec);
}
static void transport_destroy(void *userdata)
{
struct node *node = userdata;
node->transport = NULL;
}
static void emit_node_props(struct impl *this, struct node *node, bool full)
{
struct spa_event *event;
uint8_t buffer[4096];
struct spa_pod_builder b = { 0 };
struct spa_pod_frame f[1];
spa_pod_builder_init(&b, buffer, sizeof(buffer));
spa_pod_builder_push_object(&b, &f[0],
SPA_TYPE_EVENT_Device, SPA_DEVICE_EVENT_ObjectConfig);
spa_pod_builder_prop(&b, SPA_EVENT_DEVICE_Object, 0);
spa_pod_builder_int(&b, node->id);
spa_pod_builder_prop(&b, SPA_EVENT_DEVICE_Props, 0);
spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_Props, SPA_EVENT_DEVICE_Props,
SPA_PROP_channelVolumes, SPA_POD_Array(sizeof(float),
SPA_TYPE_Float, node->n_channels, node->volumes),
SPA_PROP_softVolumes, SPA_POD_Array(sizeof(float),
SPA_TYPE_Float, node->n_channels, node->soft_volumes),
SPA_PROP_channelMap, SPA_POD_Array(sizeof(uint32_t),
SPA_TYPE_Id, node->n_channels, node->channels));
if (full) {
spa_pod_builder_add(&b,
SPA_PROP_mute, SPA_POD_Bool(node->mute),
SPA_PROP_softMute, SPA_POD_Bool(node->mute),
SPA_PROP_latencyOffsetNsec, SPA_POD_Long(node->latency_offset),
0);
}
event = spa_pod_builder_pop(&b, &f[0]);
spa_device_emit_event(&this->hooks, event);
}
static void emit_volume(struct impl *this, struct node *node)
{
emit_node_props(this, node, false);
}
static void emit_info(struct impl *this, bool full);
static float get_soft_volume_boost(struct node *node)
{
const struct media_codec *codec = node->transport ? node->transport->media_codec : NULL;
/*
* For A2DP duplex, the duplex microphone channel sometimes does not appear
* to have hardware gain, and input volume is very low.
*
* Work around this by boosting the software volume level, i.e. adjust
* the scale on the user-visible volume control to something more sensible.
* If this causes clipping, the user can just reduce the mic volume to
* bring SW gain below 1.
*/
if (node->a2dp_duplex && node->transport && codec && codec->info &&
spa_atob(spa_dict_lookup(codec->info, "duplex.boost")) &&
!(node->id & SINK_ID_FLAG) &&
!node->transport->volumes[SPA_BT_VOLUME_ID_RX].active)
return 10.0f; /* 20 dB boost */
/* In all other cases, no boost */
return 1.0f;
}
static float node_get_hw_volume(struct node *node)
{
uint32_t i;
float hw_volume = 0.0f;
for (i = 0; i < node->n_channels; i++)
hw_volume = SPA_MAX(node->volumes[i], hw_volume);
return SPA_MIN(hw_volume, 1.0f);
}
static void node_update_soft_volumes(struct node *node, float hw_volume)
{
for (uint32_t i = 0; i < node->n_channels; ++i) {
node->soft_volumes[i] = hw_volume > 0.0f
? node->volumes[i] / hw_volume
: 0.0f;
}
}
static bool node_update_volume_from_transport(struct node *node, bool reset)
{
struct impl *impl = node->impl;
struct spa_bt_transport_volume *t_volume;
float prev_hw_volume;
if (!node->active || !node->transport || !spa_bt_transport_volume_enabled(node->transport))
return false;
/* PW is the controller for remote device. */
if (impl->profile != DEVICE_PROFILE_A2DP
&& impl->profile != DEVICE_PROFILE_BAP
&& impl->profile != DEVICE_PROFILE_HSP_HFP)
return false;
t_volume = &node->transport->volumes[node->id];
if (!t_volume->active)
return false;
prev_hw_volume = node_get_hw_volume(node);
if (!reset) {
for (uint32_t i = 0; i < node->n_channels; ++i) {
node->volumes[i] = prev_hw_volume > 0.0f
? node->volumes[i] * t_volume->volume / prev_hw_volume
: t_volume->volume;
}
} else {
for (uint32_t i = 0; i < node->n_channels; ++i)
node->volumes[i] = t_volume->volume;
}
node_update_soft_volumes(node, t_volume->volume);
/*
* Consider volume changes from the headset as requested
* by the user, and to be saved by the SM.
*/
node->save = true;
return true;
}
static void volume_changed(void *userdata)
{
struct node *node = userdata;
struct impl *impl = node->impl;
if (!node_update_volume_from_transport(node, false))
return;
emit_volume(impl, node);
impl->info.change_mask |= SPA_DEVICE_CHANGE_MASK_PARAMS;
impl->params[IDX_Route].flags ^= SPA_PARAM_INFO_SERIAL;
emit_info(impl, false);
}
static const struct spa_bt_transport_events transport_events = {
SPA_VERSION_BT_DEVICE_EVENTS,
.destroy = transport_destroy,
.volume_changed = volume_changed,
};
static int node_offload_set_active(struct node *node, bool active)
{
int res = 0;
if (node->transport == NULL || !node->active)
return -ENOTSUP;
if (active && !node->offload_acquired)
res = spa_bt_transport_acquire(node->transport, false);
else if (!active && node->offload_acquired)
res = spa_bt_transport_release(node->transport);
if (res >= 0)
node->offload_acquired = active;
return res;
}
static void get_channels(struct spa_bt_transport *t, bool a2dp_duplex, uint32_t *n_channels, uint32_t *channels)
{
const struct media_codec *codec;
struct spa_audio_info info = { 0 };
if (!a2dp_duplex || !t->media_codec || !t->media_codec->duplex_codec) {
*n_channels = t->n_channels;
memcpy(channels, t->channels, t->n_channels * sizeof(uint32_t));
return;
}
codec = t->media_codec->duplex_codec;
if (!codec->validate_config ||
codec->validate_config(codec, 0,
t->configuration, t->configuration_len,
&info) < 0) {
*n_channels = 1;
channels[0] = SPA_AUDIO_CHANNEL_MONO;
return;
}
*n_channels = info.info.raw.channels;
memcpy(channels, info.info.raw.position,
info.info.raw.channels * sizeof(uint32_t));
}
static const char *get_channel_name(uint32_t channel)
{
int i;
for (i = 0; spa_type_audio_channel[i].name; i++) {
if (spa_type_audio_channel[i].type == channel)
return spa_debug_type_short_name(spa_type_audio_channel[i].name);
}
return NULL;
}
static int channel_position_cmp(const void *pa, const void *pb)
{
uint32_t a = *(uint32_t *)pa, b = *(uint32_t *)pb;
return (int)a - (int)b;
}
static void emit_device_set_node(struct impl *this, uint32_t id)
{
struct spa_bt_device *device = this->bt_dev;
struct node *node = &this->nodes[id];
struct spa_device_object_info info;
struct spa_dict_item items[7];
char str_id[32], members_json[8192], channels_json[512];
struct device_set_member *members;
uint32_t n_members;
uint32_t n_items = 0;
struct spa_strbuf json;
unsigned int i;
items[n_items++] = SPA_DICT_ITEM_INIT(SPA_KEY_API_BLUEZ5_ADDRESS, device->address);
items[n_items++] = SPA_DICT_ITEM_INIT("api.bluez5.set", this->device_set.path);
items[n_items++] = SPA_DICT_ITEM_INIT("api.bluez5.set.leader", "true");
snprintf(str_id, sizeof(str_id), "%d", id);
items[n_items++] = SPA_DICT_ITEM_INIT("card.profile.device", str_id);
if (id == DEVICE_ID_SOURCE_SET) {
items[n_items++] = SPA_DICT_ITEM_INIT("media.class", "Audio/Source");
members = this->device_set.source;
n_members = this->device_set.sources;
} else if (id == DEVICE_ID_SINK_SET) {
items[n_items++] = SPA_DICT_ITEM_INIT("media.class", "Audio/Sink");
members = this->device_set.sink;
n_members = this->device_set.sinks;
} else {
spa_assert_not_reached();
}
node->impl = this;
node->active = true;
node->transport = NULL;
node->a2dp_duplex = false;
node->offload_acquired = false;
node->mute = false;
node->save = false;
node->latency_offset = 0;
/* Form channel map from members */
node->n_channels = 0;
for (i = 0; i < n_members; ++i) {
struct spa_bt_transport *t = members[i].transport;
unsigned int j;
for (j = 0; j < t->n_channels; ++j) {
unsigned int k;
if (!get_channel_name(t->channels[j]))
continue;
for (k = 0; k < node->n_channels; ++k) {
if (node->channels[k] == t->channels[j])
break;
}
if (k == node->n_channels && node->n_channels < SPA_AUDIO_MAX_CHANNELS)
node->channels[node->n_channels++] = t->channels[j];
}
}
qsort(node->channels, node->n_channels, sizeof(uint32_t), channel_position_cmp);
for (i = 0; i < node->n_channels; ++i) {
/* Session manager will override this, so put in some safe number */
node->volumes[i] = node->soft_volumes[i] = 0.064;
}
/* Produce member info json */
spa_strbuf_init(&json, members_json, sizeof(members_json));
spa_strbuf_append(&json, "[");
for (i = 0; i < n_members; ++i) {
struct spa_bt_transport *t = members[i].transport;
uint32_t member_id = members[i].id;
char object_path[512];
unsigned int j;
if (i > 0)
spa_strbuf_append(&json, ",");
spa_scnprintf(object_path, sizeof(object_path), "%s/%s-%"PRIu32,
this->device_set.path, t->device->address, member_id);
spa_strbuf_append(&json, "{\"object.path\":\"%s\",\"channels\":[", object_path);
for (j = 0; j < t->n_channels; ++j) {
if (j > 0)
spa_strbuf_append(&json, ",");
spa_strbuf_append(&json, "\"%s\"", get_channel_name(t->channels[j]));
}
spa_strbuf_append(&json, "]}");
}
spa_strbuf_append(&json, "]");
json.buffer[SPA_MIN(json.pos, json.maxsize-1)] = 0;
items[n_items++] = SPA_DICT_ITEM_INIT("api.bluez5.set.members", members_json);
spa_strbuf_init(&json, channels_json, sizeof(channels_json));
spa_strbuf_append(&json, "[");
for (i = 0; i < node->n_channels; ++i) {
if (i > 0)
spa_strbuf_append(&json, ",");
spa_strbuf_append(&json, "\"%s\"", get_channel_name(node->channels[i]));
}
spa_strbuf_append(&json, "]");
json.buffer[SPA_MIN(json.pos, json.maxsize-1)] = 0;
items[n_items++] = SPA_DICT_ITEM_INIT("api.bluez5.set.channels", channels_json);
/* Emit */
info = SPA_DEVICE_OBJECT_INFO_INIT();
info.type = SPA_TYPE_INTERFACE_Node;
info.factory_name = (id == DEVICE_ID_SOURCE_SET) ? "source" : "sink";
info.change_mask = SPA_DEVICE_OBJECT_CHANGE_MASK_PROPS;
info.props = &SPA_DICT_INIT(items, n_items);
spa_device_emit_object_info(&this->hooks, id, &info);
emit_node_props(this, &this->nodes[id], true);
}
static void emit_node(struct impl *this, struct spa_bt_transport *t,
uint32_t id, const char *factory_name, bool a2dp_duplex)
{
struct spa_bt_device *device = this->bt_dev;
struct spa_device_object_info info;
struct spa_dict_item items[11];
uint32_t n_items = 0;
char transport[32], str_id[32], object_path[512];
bool is_dyn_node = SPA_FLAG_IS_SET(id, DYNAMIC_NODE_ID_FLAG);
bool in_device_set = false;
spa_log_debug(this->log, "%p: node, transport:%p id:%08x factory:%s", this, t, id, factory_name);
if (id & SINK_ID_FLAG)
in_device_set = this->device_set.path && (this->device_set.sinks > 1);
else
in_device_set = this->device_set.path && (this->device_set.sources > 1);
snprintf(transport, sizeof(transport), "pointer:%p", t);
items[0] = SPA_DICT_ITEM_INIT(SPA_KEY_API_BLUEZ5_TRANSPORT, transport);
items[1] = SPA_DICT_ITEM_INIT(SPA_KEY_API_BLUEZ5_PROFILE, spa_bt_profile_name(t->profile));
items[2] = SPA_DICT_ITEM_INIT(SPA_KEY_API_BLUEZ5_CODEC, get_codec_name(t, a2dp_duplex));
items[3] = SPA_DICT_ITEM_INIT(SPA_KEY_API_BLUEZ5_ADDRESS, device->address);
items[4] = SPA_DICT_ITEM_INIT("device.routes", "1");
n_items = 5;
if (!is_dyn_node && !in_device_set) {
snprintf(str_id, sizeof(str_id), "%d", id);
items[n_items] = SPA_DICT_ITEM_INIT("card.profile.device", str_id);
n_items++;
}
if (spa_streq(spa_bt_profile_name(t->profile), "headset-head-unit")) {
items[n_items] = SPA_DICT_ITEM_INIT("device.intended-roles", "Communication");
n_items++;
}
if (a2dp_duplex) {
items[n_items] = SPA_DICT_ITEM_INIT("api.bluez5.a2dp-duplex", "true");
n_items++;
}
if (in_device_set) {
items[n_items] = SPA_DICT_ITEM_INIT("api.bluez5.set", this->device_set.path);
n_items++;
items[n_items] = SPA_DICT_ITEM_INIT("api.bluez5.internal", "true");
n_items++;
/* object.path can be used in match rules with only basic node props */
spa_scnprintf(object_path, sizeof(object_path), "%s/%s-%d",
this->device_set.path, device->address, id);
items[n_items] = SPA_DICT_ITEM_INIT("object.path", object_path);
n_items++;
}
info = SPA_DEVICE_OBJECT_INFO_INIT();
info.type = SPA_TYPE_INTERFACE_Node;
info.factory_name = factory_name;
info.change_mask = SPA_DEVICE_OBJECT_CHANGE_MASK_PROPS;
info.props = &SPA_DICT_INIT(items, n_items);
SPA_FLAG_CLEAR(id, DYNAMIC_NODE_ID_FLAG);
spa_assert(id < SPA_N_ELEMENTS(this->nodes));
spa_device_emit_object_info(&this->hooks, id, &info);
if (this->device_set.path) {
/* Device set member nodes don't have their own routes */
this->nodes[id].impl = this;
this->nodes[id].active = false;
if (this->nodes[id].transport)
spa_hook_remove(&this->nodes[id].transport_listener);
this->nodes[id].transport = NULL;
return;
}
if (!is_dyn_node) {
uint32_t prev_channels = this->nodes[id].n_channels;
float boost;
this->nodes[id].impl = this;
this->nodes[id].active = true;
this->nodes[id].offload_acquired = false;
this->nodes[id].a2dp_duplex = a2dp_duplex;
get_channels(t, a2dp_duplex, &this->nodes[id].n_channels, this->nodes[id].channels);
if (this->nodes[id].transport)
spa_hook_remove(&this->nodes[id].transport_listener);
this->nodes[id].transport = t;
spa_bt_transport_add_listener(t, &this->nodes[id].transport_listener, &transport_events, &this->nodes[id]);
if (prev_channels > 0) {
size_t i;
/* Spread mono volume to all channels, if we had switched HFP -> A2DP. */
for (i = prev_channels; i < this->nodes[id].n_channels; ++i)
this->nodes[id].volumes[i] = this->nodes[id].volumes[i % prev_channels];
}
node_update_volume_from_transport(&this->nodes[id], true);
boost = get_soft_volume_boost(&this->nodes[id]);
if (boost != 1.0f) {
size_t i;
for (i = 0; i < this->nodes[id].n_channels; ++i)
this->nodes[id].soft_volumes[i] = this->nodes[id].volumes[i] * boost;
}
emit_node_props(this, &this->nodes[id], true);
}
}
static void init_dummy_input_node(struct impl *this, uint32_t id)
{
uint32_t prev_channels = this->nodes[id].n_channels;
/* Don't emit a device node, only initialize volume etc. for the route */
spa_log_debug(this->log, "%p: node, id:%08x", this, id);
this->nodes[id].impl = this;
this->nodes[id].active = true;
this->nodes[id].offload_acquired = false;
this->nodes[id].a2dp_duplex = false;
this->nodes[id].n_channels = 1;
this->nodes[id].channels[0] = SPA_AUDIO_CHANNEL_MONO;
if (prev_channels > 0) {
size_t i;
/* Spread mono volume to all channels */
for (i = prev_channels; i < this->nodes[id].n_channels; ++i)
this->nodes[id].volumes[i] = this->nodes[id].volumes[i % prev_channels];
}
}
static bool transport_enabled(struct spa_bt_transport *t, int profile, enum spa_bluetooth_audio_codec codec)
{
bool codec_ok = codec == 0 ||
(t->media_codec != NULL && t->media_codec->id == codec) ||
get_hfp_codec_id(t->codec) == codec;
return (t->profile & t->device->connected_profiles) &&
(t->profile & profile) == t->profile &&
codec_ok;
}
static struct spa_bt_transport *find_device_transport(struct spa_bt_device *device, int profile,
enum spa_bluetooth_audio_codec codec)
{
struct spa_bt_transport *t;
spa_list_for_each(t, &device->transport_list, device_link) {
if (transport_enabled(t, profile, codec))
return t;
}
return NULL;
}
static struct spa_bt_transport *find_transport(struct impl *this, int profile, enum spa_bluetooth_audio_codec codec)
{
return find_device_transport(this->bt_dev, profile, codec);
}
static void dynamic_node_transport_destroy(void *data)
{
struct dynamic_node *this = data;
spa_log_debug(this->impl->log, "transport %p destroy", this->transport);
this->transport = NULL;
}
static void dynamic_node_transport_state_changed(void *data,
enum spa_bt_transport_state old,
enum spa_bt_transport_state state)
{
struct dynamic_node *this = data;
struct impl *impl = this->impl;
struct spa_bt_transport *t = this->transport;
spa_log_debug(impl->log, "transport %p state %d->%d", t, old, state);
if (state >= SPA_BT_TRANSPORT_STATE_PENDING && old < SPA_BT_TRANSPORT_STATE_PENDING) {
if (!SPA_FLAG_IS_SET(this->id, DYNAMIC_NODE_ID_FLAG)) {
SPA_FLAG_SET(this->id, DYNAMIC_NODE_ID_FLAG);
spa_bt_transport_keepalive(t, true);
emit_node(impl, t, this->id, this->factory_name, this->a2dp_duplex);
}
} else if (state < SPA_BT_TRANSPORT_STATE_PENDING && old >= SPA_BT_TRANSPORT_STATE_PENDING) {
if (SPA_FLAG_IS_SET(this->id, DYNAMIC_NODE_ID_FLAG)) {
SPA_FLAG_CLEAR(this->id, DYNAMIC_NODE_ID_FLAG);
spa_bt_transport_keepalive(t, false);
spa_device_emit_object_info(&impl->hooks, this->id, NULL);
}
}
}
static void dynamic_node_volume_changed(void *data)
{
struct dynamic_node *node = data;
struct impl *impl = node->impl;
struct spa_event *event;
uint8_t buffer[4096];
struct spa_pod_builder b = { 0 };
struct spa_pod_frame f[1];
struct spa_bt_transport_volume *t_volume;
int id = node->id, volume_id;
SPA_FLAG_CLEAR(id, DYNAMIC_NODE_ID_FLAG);
/* Remote device is the controller */
if (!node->transport || impl->profile != DEVICE_PROFILE_AG
|| !spa_bt_transport_volume_enabled(node->transport))
return;
if (id == 0 || id == 2)
volume_id = SPA_BT_VOLUME_ID_RX;
else if (id == 1)
volume_id = SPA_BT_VOLUME_ID_TX;
else
return;
t_volume = &node->transport->volumes[volume_id];
if (!t_volume->active)
return;
spa_pod_builder_init(&b, buffer, sizeof(buffer));
spa_pod_builder_push_object(&b, &f[0],
SPA_TYPE_EVENT_Device, SPA_DEVICE_EVENT_ObjectConfig);
spa_pod_builder_prop(&b, SPA_EVENT_DEVICE_Object, 0);
spa_pod_builder_int(&b, id);
spa_pod_builder_prop(&b, SPA_EVENT_DEVICE_Props, 0);
spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_Props, SPA_EVENT_DEVICE_Props,
SPA_PROP_volume, SPA_POD_Float(t_volume->volume));
event = spa_pod_builder_pop(&b, &f[0]);
spa_log_debug(impl->log, "dynamic node %d: volume %d changed %f, profile %d",
node->id, volume_id, t_volume->volume, node->transport->profile);
/* Dynamic node doesn't has route, we can only set volume on adaptar node. */
spa_device_emit_event(&impl->hooks, event);
}
static const struct spa_bt_transport_events dynamic_node_transport_events = {
SPA_VERSION_BT_TRANSPORT_EVENTS,
.destroy = dynamic_node_transport_destroy,
.state_changed = dynamic_node_transport_state_changed,
.volume_changed = dynamic_node_volume_changed,
};
static void emit_dynamic_node(struct impl *impl,
struct spa_bt_transport *t, uint32_t id, const char *factory_name, bool a2dp_duplex)
{
struct dynamic_node *this = &impl->dyn_nodes[id];
spa_assert(id < SPA_N_ELEMENTS(impl->dyn_nodes));
spa_log_debug(impl->log, "%p: dynamic node, transport: %p->%p id: %08x->%08x",
this, this->transport, t, this->id, id);
if (this->transport) {
/* Session manager don't really handles transport ptr changing. */
spa_assert(this->transport == t);
spa_hook_remove(&this->transport_listener);
}
this->impl = impl;
this->transport = t;
this->id = id;
this->factory_name = factory_name;
this->a2dp_duplex = a2dp_duplex;
spa_bt_transport_add_listener(this->transport,
&this->transport_listener, &dynamic_node_transport_events, this);
/* emits the node if the state is already pending */
dynamic_node_transport_state_changed (this, SPA_BT_TRANSPORT_STATE_IDLE, t->state);
}
static void remove_dynamic_node(struct dynamic_node *this)
{
if (this->transport == NULL)
return;
/* destroy the node, if it exists */
dynamic_node_transport_state_changed (this, this->transport->state,
SPA_BT_TRANSPORT_STATE_IDLE);
spa_hook_remove(&this->transport_listener);
this->impl = NULL;
this->transport = NULL;
this->id = 0;
this->factory_name = NULL;
}
static void device_set_clear(struct impl *impl)
{
struct device_set *set = &impl->device_set;
unsigned int i;
for (i = 0; i < SPA_N_ELEMENTS(set->sink); ++i)
if (set->sink[i].transport)
spa_hook_remove(&set->sink[i].listener);
for (i = 0; i < SPA_N_ELEMENTS(set->source); ++i)
if (set->source[i].transport)
spa_hook_remove(&set->source[i].listener);
free(set->path);
spa_zero(*set);
set->impl = impl;
for (i = 0; i < SPA_N_ELEMENTS(set->sink); ++i)
set->sink[i].impl = impl;
for (i = 0; i < SPA_N_ELEMENTS(set->source); ++i)
set->source[i].impl = impl;
}
static void device_set_transport_destroy(void *data)
{
struct device_set_member *member = data;
member->transport = NULL;
spa_hook_remove(&member->listener);
}
static const struct spa_bt_transport_events device_set_transport_events = {
SPA_VERSION_BT_DEVICE_EVENTS,
.destroy = device_set_transport_destroy,
};
static void device_set_update(struct impl *this)
{
struct spa_bt_device *device = this->bt_dev;
struct device_set *dset = &this->device_set;
struct spa_bt_set_membership *set;
struct spa_bt_set_membership tmp_set = {
.device = device,
.rank = 0,
.leader = true,
.path = device->path,
.others = SPA_LIST_INIT(&tmp_set.others),
};
struct spa_list tmp_set_list = SPA_LIST_INIT(&tmp_set_list);
struct spa_list *membership_list = &device->set_membership_list;
/*
* If no device set, use a dummy one, so that we can handle also those devices
* here (they may have multiple transports regardless).
*/
if (spa_list_is_empty(membership_list)) {
spa_list_append(&tmp_set_list, &tmp_set.link);
membership_list = &tmp_set_list;
}
spa_list_for_each(set, membership_list, link) {
struct spa_bt_set_membership *s;
int num_devices = 0;
device_set_clear(this);
spa_bt_for_each_set_member(s, set) {
struct spa_bt_transport *t;
bool active = false;
uint32_t source_id = DEVICE_ID_SOURCE;
uint32_t sink_id = DEVICE_ID_SINK;
if (!(s->device->connected_profiles & SPA_BT_PROFILE_BAP_DUPLEX))
continue;
spa_list_for_each(t, &s->device->transport_list, device_link) {
if (!(s->device->connected_profiles & SPA_BT_PROFILE_BAP_SOURCE))
continue;
if (!transport_enabled(t, SPA_BT_PROFILE_BAP_SOURCE, 0))
continue;
if (dset->sources >= SPA_N_ELEMENTS(dset->source))
break;
active = true;
dset->source[dset->sources].impl = this;
dset->source[dset->sources].transport = t;
dset->source[dset->sources].id = source_id;
source_id += 2;
spa_bt_transport_add_listener(t, &dset->source[dset->sources].listener,
&device_set_transport_events, &dset->source[dset->sources]);
++dset->sources;
}
spa_list_for_each(t, &s->device->transport_list, device_link) {
if (!(s->device->connected_profiles & SPA_BT_PROFILE_BAP_SINK))
continue;
if (!transport_enabled(t, SPA_BT_PROFILE_BAP_SINK, this->props.codec))
continue;
if (dset->sinks >= SPA_N_ELEMENTS(dset->sink))
break;
active = true;
dset->sink[dset->sinks].impl = this;
dset->sink[dset->sinks].transport = t;
dset->sink[dset->sinks].id = sink_id;
sink_id += 2;
spa_bt_transport_add_listener(t, &dset->sink[dset->sinks].listener,
&device_set_transport_events, &dset->sink[dset->sinks]);
++dset->sinks;
}
if (active)
++num_devices;
}
spa_log_debug(this->log, "%p: %s belongs to set %s leader:%d", this,
device->path, set->path, set->leader);
if (is_bap_client(this)) {
dset->path = strdup(set->path);
dset->leader = set->leader;
} else {
/* XXX: device set nodes for BAP server not supported,
* XXX: it'll appear as multiple streams
*/
dset->path = NULL;
dset->leader = false;
}
if (num_devices > 1)
break;
}
}
static int emit_nodes(struct impl *this)
{
struct spa_bt_transport *t;
device_set_update(this);
switch (this->profile) {
case DEVICE_PROFILE_OFF:
break;
case DEVICE_PROFILE_AG:
if (this->bt_dev->connected_profiles & SPA_BT_PROFILE_HEADSET_AUDIO_GATEWAY) {
t = find_transport(this, SPA_BT_PROFILE_HFP_AG, 0);
if (!t)
t = find_transport(this, SPA_BT_PROFILE_HSP_AG, 0);
if (t) {
if (t->profile == SPA_BT_PROFILE_HSP_AG)
this->props.codec = 0;
else
this->props.codec = get_hfp_codec_id(t->codec);
emit_dynamic_node(this, t, 0, SPA_NAME_API_BLUEZ5_SCO_SOURCE, false);
emit_dynamic_node(this, t, 1, SPA_NAME_API_BLUEZ5_SCO_SINK, false);
}
}
if (this->bt_dev->connected_profiles & (SPA_BT_PROFILE_A2DP_SOURCE)) {
t = find_transport(this, SPA_BT_PROFILE_A2DP_SOURCE, 0);
if (t) {
this->props.codec = t->media_codec->id;
emit_dynamic_node(this, t, 2, SPA_NAME_API_BLUEZ5_A2DP_SOURCE, false);
if (t->media_codec->duplex_codec)
emit_dynamic_node(this, t, 3, SPA_NAME_API_BLUEZ5_A2DP_SINK, true);
}
}
break;
case DEVICE_PROFILE_A2DP:
if (this->bt_dev->connected_profiles & SPA_BT_PROFILE_A2DP_SOURCE) {
t = find_transport(this, SPA_BT_PROFILE_A2DP_SOURCE, 0);
if (t) {
this->props.codec = t->media_codec->id;
emit_dynamic_node(this, t, DEVICE_ID_SOURCE, SPA_NAME_API_BLUEZ5_A2DP_SOURCE, false);
if (t->media_codec->duplex_codec)
emit_node(this, t, DEVICE_ID_SINK, SPA_NAME_API_BLUEZ5_A2DP_SINK, true);
}
}
if (this->bt_dev->connected_profiles & SPA_BT_PROFILE_A2DP_SINK) {
t = find_transport(this, SPA_BT_PROFILE_A2DP_SINK, this->props.codec);
if (t) {
this->props.codec = t->media_codec->id;
emit_node(this, t, DEVICE_ID_SINK, SPA_NAME_API_BLUEZ5_A2DP_SINK, false);
if (t->media_codec->duplex_codec) {
emit_node(this, t,
DEVICE_ID_SOURCE, SPA_NAME_API_BLUEZ5_A2DP_SOURCE, true);
}
}
}
/* Setup route for HFP input, for tracking its volume even though there is
* no node emitted yet. */
if ((this->bt_dev->connected_profiles & SPA_BT_PROFILE_HEADSET_HEAD_UNIT) &&
!(this->bt_dev->connected_profiles & SPA_BT_PROFILE_A2DP_SOURCE) &&
!this->nodes[DEVICE_ID_SOURCE].active)
init_dummy_input_node(this, DEVICE_ID_SOURCE);
break;
case DEVICE_PROFILE_BAP: {
struct device_set *set = &this->device_set;
unsigned int i;
for (i = 0; i < set->sources; ++i) {
struct spa_bt_transport *t = set->source[i].transport;
uint32_t id = set->source[i].id;
if (id >= MAX_NODES)
continue;
if (t->device != this->bt_dev)
continue;
this->props.codec = t->media_codec->id;
if (t->bap_initiator)
emit_node(this, t, id, SPA_NAME_API_BLUEZ5_MEDIA_SOURCE, false);
else
emit_dynamic_node(this, t, id, SPA_NAME_API_BLUEZ5_MEDIA_SOURCE, false);
}
if (set->path && set->leader && set->sources > 1)
emit_device_set_node(this, DEVICE_ID_SOURCE_SET);
for (i = 0; i < set->sinks; ++i) {
struct spa_bt_transport *t = set->sink[i].transport;
uint32_t id = set->sink[i].id;
if (id >= MAX_NODES)
continue;
if (t->device != this->bt_dev)
continue;
this->props.codec = t->media_codec->id;
if (t->bap_initiator)
emit_node(this, t, id, SPA_NAME_API_BLUEZ5_MEDIA_SINK, false);
else
emit_dynamic_node(this, t, id, SPA_NAME_API_BLUEZ5_MEDIA_SINK, false);
}
if (set->path && set->leader && set->sinks > 1)
emit_device_set_node(this, DEVICE_ID_SINK_SET);
if (this->bt_dev->connected_profiles & (SPA_BT_PROFILE_BAP_BROADCAST_SINK)) {
t = find_transport(this, SPA_BT_PROFILE_BAP_BROADCAST_SINK, this->props.codec);
if (t) {
this->props.codec = t->media_codec->id;
emit_node(this, t, DEVICE_ID_SINK, SPA_NAME_API_BLUEZ5_MEDIA_SINK, false);
}
if (this->device_set.leader && this->device_set.sinks > 0)
emit_device_set_node(this, DEVICE_ID_SINK_SET);
}
if (this->bt_dev->connected_profiles & (SPA_BT_PROFILE_BAP_BROADCAST_SOURCE)) {
t = find_transport(this, SPA_BT_PROFILE_BAP_BROADCAST_SOURCE, this->props.codec);
if (t) {
this->props.codec = t->media_codec->id;
emit_dynamic_node(this, t, DEVICE_ID_SOURCE, SPA_NAME_API_BLUEZ5_MEDIA_SOURCE, false);
}
}
break;
};
case DEVICE_PROFILE_HSP_HFP:
if (this->bt_dev->connected_profiles & SPA_BT_PROFILE_HEADSET_HEAD_UNIT) {
t = find_transport(this, SPA_BT_PROFILE_HFP_HF, this->props.codec);
if (!t)
t = find_transport(this, SPA_BT_PROFILE_HSP_HS, 0);
if (t) {
if (t->profile == SPA_BT_PROFILE_HSP_HS)
this->props.codec = 0;
else
this->props.codec = get_hfp_codec_id(t->codec);
emit_node(this, t, DEVICE_ID_SOURCE, SPA_NAME_API_BLUEZ5_SCO_SOURCE, false);
emit_node(this, t, DEVICE_ID_SINK, SPA_NAME_API_BLUEZ5_SCO_SINK, false);
}
}
if (spa_bt_device_supports_hfp_codec(this->bt_dev, get_hfp_codec(this->props.codec)) != 1)
this->props.codec = 0;
break;
default:
return -EINVAL;
}
return 0;
}
static const struct spa_dict_item info_items[] = {
{ SPA_KEY_DEVICE_API, "bluez5" },
{ SPA_KEY_DEVICE_BUS, "bluetooth" },
{ SPA_KEY_MEDIA_CLASS, "Audio/Device" },
};
static void emit_info(struct impl *this, bool full)
{
uint64_t old = full ? this->info.change_mask : 0;
if (full)
this->info.change_mask = this->info_all;
if (this->info.change_mask) {
this->info.props = &SPA_DICT_INIT_ARRAY(info_items);
spa_device_emit_info(&this->hooks, &this->info);
this->info.change_mask = old;
}
}
static void emit_remove_nodes(struct impl *this)
{
spa_log_debug(this->log, "%p: remove nodes", this);
for (uint32_t i = 0; i < SPA_N_ELEMENTS(this->dyn_nodes); i++)
remove_dynamic_node (&this->dyn_nodes[i]);
for (uint32_t i = 0; i < SPA_N_ELEMENTS(this->nodes); i++) {
struct node * node = &this->nodes[i];
node_offload_set_active(node, false);
if (node->transport) {
spa_hook_remove(&node->transport_listener);
node->transport = NULL;
}
if (node->active) {
spa_device_emit_object_info(&this->hooks, i, NULL);
node->active = false;
}
}
this->props.offload_active = false;
}
static bool validate_profile(struct impl *this, uint32_t profile,
enum spa_bluetooth_audio_codec codec);
static int set_profile(struct impl *this, uint32_t profile, enum spa_bluetooth_audio_codec codec, bool save)
{
if (!validate_profile(this, profile, codec)) {
spa_log_warn(this->log, "trying to set invalid profile %d, codec %d, %08x %08x",
profile, codec,
this->bt_dev->profiles, this->bt_dev->connected_profiles);
return -EINVAL;
}
this->save_profile = save;
if (this->profile == profile &&
(this->profile != DEVICE_PROFILE_A2DP || codec == this->props.codec) &&
(this->profile != DEVICE_PROFILE_BAP || codec == this->props.codec || this->device_set.path) &&
(this->profile != DEVICE_PROFILE_HSP_HFP || codec == this->props.codec))
return 0;
emit_remove_nodes(this);
spa_bt_device_release_transports(this->bt_dev);
this->profile = profile;
this->prev_bt_connected_profiles = this->bt_dev->connected_profiles;
this->props.codec = codec;
/*
* A2DP/BAP: ensure there's a transport with the selected codec (0 means any).
* Don't try to switch codecs when the device is in the A2DP source role, since
* devices do not appear to like that.
*
* For BAP, only BAP client can configure the codec.
*
* XXX: codec switching also currently does not work in the duplex or
* XXX: source-only case, as it will only switch the sink, and we only
* XXX: list the sink codecs here. TODO: fix this
*/
if ((profile == DEVICE_PROFILE_A2DP || (profile == DEVICE_PROFILE_BAP && can_bap_codec_switch(this)))
&& !(this->bt_dev->connected_profiles & SPA_BT_PROFILE_A2DP_SOURCE)) {
int ret;
const struct media_codec *codecs[64];
get_media_codecs(this, codec, codecs, SPA_N_ELEMENTS(codecs));
this->switching_codec = true;
ret = spa_bt_device_ensure_media_codec(this->bt_dev, codecs);
if (ret < 0) {
if (ret != -ENOTSUP)
spa_log_error(this->log, "failed to switch codec (%d), setting basic profile", ret);
} else {
return 0;
}
} else if (profile == DEVICE_PROFILE_HSP_HFP && get_hfp_codec(codec) && !(this->bt_dev->connected_profiles & SPA_BT_PROFILE_HFP_AG)) {
int ret;
this->switching_codec = true;
ret = spa_bt_device_ensure_hfp_codec(this->bt_dev, get_hfp_codec(codec));
if (ret < 0) {
if (ret != -ENOTSUP)
spa_log_error(this->log, "failed to switch codec (%d), setting basic profile", ret);
} else {
return 0;
}
}
this->switching_codec = false;
this->props.codec = 0;
emit_nodes(this);
this->info.change_mask |= SPA_DEVICE_CHANGE_MASK_PARAMS;
this->params[IDX_Profile].flags ^= SPA_PARAM_INFO_SERIAL;
this->params[IDX_Route].flags ^= SPA_PARAM_INFO_SERIAL;
this->params[IDX_EnumRoute].flags ^= SPA_PARAM_INFO_SERIAL;
this->params[IDX_Props].flags ^= SPA_PARAM_INFO_SERIAL;
this->params[IDX_PropInfo].flags ^= SPA_PARAM_INFO_SERIAL;
emit_info(this, false);
return 0;
}
static void codec_switched(void *userdata, int status)
{
struct impl *this = userdata;
spa_log_debug(this->log, "codec switched (status %d)", status);
this->switching_codec = false;
if (status < 0) {
/* Failed to switch: return to a fallback profile */
spa_log_error(this->log, "failed to switch codec (%d), setting fallback profile", status);
if (this->profile == DEVICE_PROFILE_A2DP && this->props.codec != 0) {
this->props.codec = 0;
} else if (this->profile == DEVICE_PROFILE_BAP && this->props.codec != 0) {
this->props.codec = 0;
} else if (this->profile == DEVICE_PROFILE_HSP_HFP && this->props.codec != 0) {
this->props.codec = 0;
} else {
this->profile = DEVICE_PROFILE_OFF;
}
}
emit_remove_nodes(this);
emit_nodes(this);
this->info.change_mask |= SPA_DEVICE_CHANGE_MASK_PARAMS;
if (this->prev_bt_connected_profiles != this->bt_dev->connected_profiles)
this->params[IDX_EnumProfile].flags ^= SPA_PARAM_INFO_SERIAL;
this->params[IDX_Profile].flags ^= SPA_PARAM_INFO_SERIAL;
this->params[IDX_Route].flags ^= SPA_PARAM_INFO_SERIAL;
this->params[IDX_EnumRoute].flags ^= SPA_PARAM_INFO_SERIAL;
this->params[IDX_Props].flags ^= SPA_PARAM_INFO_SERIAL;
this->params[IDX_PropInfo].flags ^= SPA_PARAM_INFO_SERIAL;
emit_info(this, false);
}
static void profiles_changed(void *userdata, uint32_t prev_profiles, uint32_t prev_connected_profiles)
{
struct impl *this = userdata;
uint32_t connected_change;
bool nodes_changed = false;
connected_change = (this->bt_dev->connected_profiles ^ prev_connected_profiles);
/* Profiles changed. We have to re-emit device information. */
spa_log_info(this->log, "profiles changed to %08x %08x (prev %08x %08x, change %08x)"
" switching_codec:%d",
this->bt_dev->profiles, this->bt_dev->connected_profiles,
prev_profiles, prev_connected_profiles, connected_change,
this->switching_codec);
if (this->switching_codec)
return;
free(this->supported_codecs);
this->supported_codecs = spa_bt_device_get_supported_media_codecs(
this->bt_dev, &this->supported_codec_count);
switch (this->profile) {
case DEVICE_PROFILE_OFF:
/* Noop */
nodes_changed = false;
break;
case DEVICE_PROFILE_AG:
nodes_changed = (connected_change & (SPA_BT_PROFILE_HEADSET_AUDIO_GATEWAY |
SPA_BT_PROFILE_MEDIA_SOURCE));
spa_log_debug(this->log, "profiles changed: AG nodes changed: %d",
nodes_changed);
break;
case DEVICE_PROFILE_A2DP:
case DEVICE_PROFILE_BAP:
nodes_changed = (connected_change & (SPA_BT_PROFILE_MEDIA_SINK |
SPA_BT_PROFILE_MEDIA_SOURCE));
spa_log_debug(this->log, "profiles changed: media nodes changed: %d",
nodes_changed);
break;
case DEVICE_PROFILE_HSP_HFP:
if (spa_bt_device_supports_hfp_codec(this->bt_dev, get_hfp_codec(this->props.codec)) != 1)
this->props.codec = 0;
nodes_changed = (connected_change & SPA_BT_PROFILE_HEADSET_HEAD_UNIT);
spa_log_debug(this->log, "profiles changed: HSP/HFP nodes changed: %d",
nodes_changed);
break;
}
if (nodes_changed) {
emit_remove_nodes(this);
emit_nodes(this);
}
this->info.change_mask |= SPA_DEVICE_CHANGE_MASK_PARAMS;
this->params[IDX_Profile].flags ^= SPA_PARAM_INFO_SERIAL;
this->params[IDX_EnumProfile].flags ^= SPA_PARAM_INFO_SERIAL;
this->params[IDX_Route].flags ^= SPA_PARAM_INFO_SERIAL; /* Profile changes may affect routes */
this->params[IDX_EnumRoute].flags ^= SPA_PARAM_INFO_SERIAL;
this->params[IDX_Props].flags ^= SPA_PARAM_INFO_SERIAL;
this->params[IDX_PropInfo].flags ^= SPA_PARAM_INFO_SERIAL;
emit_info(this, false);
}
static void device_set_changed(void *userdata)
{
struct impl *this = userdata;
if (this->profile != DEVICE_PROFILE_BAP)
return;
spa_log_debug(this->log, "%p: device set changed", this);
emit_remove_nodes(this);
emit_nodes(this);
this->info.change_mask |= SPA_DEVICE_CHANGE_MASK_PARAMS;
this->params[IDX_Profile].flags ^= SPA_PARAM_INFO_SERIAL;
this->params[IDX_EnumProfile].flags ^= SPA_PARAM_INFO_SERIAL;
this->params[IDX_Route].flags ^= SPA_PARAM_INFO_SERIAL;
this->params[IDX_EnumRoute].flags ^= SPA_PARAM_INFO_SERIAL;
emit_info(this, false);
}
static void set_initial_profile(struct impl *this);
static void device_connected(void *userdata, bool connected)
{
struct impl *this = userdata;
spa_log_debug(this->log, "%p: connected: %d", this, connected);
if (connected ^ (this->profile != DEVICE_PROFILE_OFF)) {
emit_remove_nodes(this);
set_initial_profile(this);
}
}
static void device_switch_profile(void *userdata)
{
struct impl *this = userdata;
uint32_t profile;
switch(this->profile) {
case DEVICE_PROFILE_OFF:
profile = DEVICE_PROFILE_HSP_HFP;
break;
case DEVICE_PROFILE_HSP_HFP:
profile = DEVICE_PROFILE_OFF;
break;
default:
return;
}
spa_log_debug(this->log, "%p: device switch profile %d -> %d", this, this->profile, profile);
set_profile(this, profile, 0, false);
}
static const struct spa_bt_device_events bt_dev_events = {
SPA_VERSION_BT_DEVICE_EVENTS,
.connected = device_connected,
.codec_switched = codec_switched,
.profiles_changed = profiles_changed,
.device_set_changed = device_set_changed,
.switch_profile = device_switch_profile,
};
static int impl_add_listener(void *object,
struct spa_hook *listener,
const struct spa_device_events *events,
void *data)
{
struct impl *this = object;
struct spa_hook_list save;
spa_return_val_if_fail(this != NULL, -EINVAL);
spa_return_val_if_fail(events != NULL, -EINVAL);
spa_hook_list_isolate(&this->hooks, &save, listener, events, data);
if (events->info)
emit_info(this, true);
if (events->object_info)
emit_nodes(this);
spa_hook_list_join(&this->hooks, &save);
return 0;
}
static int impl_sync(void *object, int seq)
{
struct impl *this = object;
spa_return_val_if_fail(this != NULL, -EINVAL);
spa_device_emit_result(&this->hooks, seq, 0, 0, NULL);
return 0;
}
static uint32_t profile_direction_mask(struct impl *this, uint32_t index, enum spa_bluetooth_audio_codec codec,
bool hfp_input_for_a2dp)
{
struct spa_bt_device *device = this->bt_dev;
uint32_t mask;
bool have_output = false, have_input = false;
const struct media_codec *media_codec;
switch (index) {
case DEVICE_PROFILE_A2DP:
if (device->connected_profiles & SPA_BT_PROFILE_A2DP_SINK)
have_output = true;
media_codec = get_supported_media_codec(this, codec, NULL, device->connected_profiles);
if (media_codec && media_codec->duplex_codec)
have_input = true;
if (hfp_input_for_a2dp && this->nodes[DEVICE_ID_SOURCE].active)
have_input = true;
break;
case DEVICE_PROFILE_BAP:
if (device->connected_profiles & SPA_BT_PROFILE_BAP_SINK)
have_output = true;
if (device->connected_profiles & SPA_BT_PROFILE_BAP_SOURCE)
have_input = true;
break;
case DEVICE_PROFILE_HSP_HFP:
if (device->connected_profiles & SPA_BT_PROFILE_HEADSET_HEAD_UNIT)
have_output = have_input = true;
break;
default:
break;
}
mask = 0;
if (have_output)
mask |= 1 << SPA_DIRECTION_OUTPUT;
if (have_input)
mask |= 1 << SPA_DIRECTION_INPUT;
return mask;
}
static uint32_t get_profile_from_index(struct impl *this, uint32_t index, uint32_t *next, enum spa_bluetooth_audio_codec *codec)
{
/*
* XXX: The codecs should probably become a separate param, and not have
* XXX: separate profiles for each one.
*/
*codec = 0;
*next = index + 1;
if (index <= DEVICE_PROFILE_LAST) {
return index;
} else if (index != SPA_ID_INVALID) {
const struct spa_type_info *info;
uint32_t profile;
*codec = index - DEVICE_PROFILE_LAST;
*next = SPA_ID_INVALID;
for (info = spa_type_bluetooth_audio_codec; info->type; ++info)
if (info->type > *codec)
*next = SPA_MIN(info->type + DEVICE_PROFILE_LAST, *next);
if (get_hfp_codec(*codec))
profile = DEVICE_PROFILE_HSP_HFP;
else if (*codec == SPA_BLUETOOTH_AUDIO_CODEC_LC3)
profile = DEVICE_PROFILE_BAP;
else
profile = DEVICE_PROFILE_A2DP;
return profile;
}
*next = SPA_ID_INVALID;
return SPA_ID_INVALID;
}
static uint32_t get_index_from_profile(struct impl *this, uint32_t profile, enum spa_bluetooth_audio_codec codec)
{
if (profile == DEVICE_PROFILE_OFF || profile == DEVICE_PROFILE_AG)
return profile;
if ((profile == DEVICE_PROFILE_A2DP) || (profile == DEVICE_PROFILE_BAP))
return codec + DEVICE_PROFILE_LAST;
if (profile == DEVICE_PROFILE_HSP_HFP) {
if (codec == 0 || (this->bt_dev->connected_profiles & SPA_BT_PROFILE_HFP_AG))
return profile;
return codec + DEVICE_PROFILE_LAST;
}
return SPA_ID_INVALID;
}
static bool set_initial_hsp_hfp_profile(struct impl *this)
{
struct spa_bt_transport *t;
int i;
for (i = SPA_BT_PROFILE_HSP_HS; i <= SPA_BT_PROFILE_HFP_AG; i <<= 1) {
if (!(this->bt_dev->connected_profiles & i))
continue;
t = find_transport(this, i, 0);
if (t) {
this->profile = (i & SPA_BT_PROFILE_HEADSET_AUDIO_GATEWAY) ?
DEVICE_PROFILE_AG : DEVICE_PROFILE_HSP_HFP;
this->props.codec = get_hfp_codec_id(t->codec);
spa_log_debug(this->log, "initial profile HSP/HFP profile:%d codec:%d",
this->profile, this->props.codec);
return true;
}
}
return false;
}
static void set_initial_profile(struct impl *this)
{
struct spa_bt_transport *t;
int i;
this->switching_codec = false;
if (this->supported_codecs)
free(this->supported_codecs);
this->supported_codecs = spa_bt_device_get_supported_media_codecs(
this->bt_dev, &this->supported_codec_count);
/* Prefer BAP, then A2DP, then HFP, then null, but select AG if the device
appears not to have BAP_SINK, A2DP_SINK or any HEAD_UNIT profile */
/* If default profile is set to HSP/HFP, first try those and exit if found. */
if (this->bt_dev->settings != NULL) {
const char *str = spa_dict_lookup(this->bt_dev->settings, "bluez5.profile");
if (spa_streq(str, "off"))
goto off;
if (spa_streq(str, "headset-head-unit") && set_initial_hsp_hfp_profile(this))
return;
}
for (i = SPA_BT_PROFILE_BAP_SINK; i <= SPA_BT_PROFILE_A2DP_SOURCE; i <<= 1) {
if (!(this->bt_dev->connected_profiles & i))
continue;
t = find_transport(this, i, 0);
if (t) {
if (i == SPA_BT_PROFILE_A2DP_SOURCE || i == SPA_BT_PROFILE_BAP_SOURCE)
this->profile = DEVICE_PROFILE_AG;
else if (i == SPA_BT_PROFILE_BAP_SINK)
this->profile = DEVICE_PROFILE_BAP;
else
this->profile = DEVICE_PROFILE_A2DP;
this->props.codec = t->media_codec->id;
spa_log_debug(this->log, "initial profile media profile:%d codec:%d",
this->profile, this->props.codec);
return;
}
}
if (set_initial_hsp_hfp_profile(this))
return;
off:
spa_log_debug(this->log, "initial profile off");
this->profile = DEVICE_PROFILE_OFF;
this->props.codec = 0;
}
static struct spa_pod *build_profile(struct impl *this, struct spa_pod_builder *b,
uint32_t id, uint32_t index, uint32_t profile_index, enum spa_bluetooth_audio_codec codec,
bool current)
{
struct spa_bt_device *device = this->bt_dev;
struct spa_pod_frame f[2];
const char *name, *desc;
char *name_and_codec = NULL;
char *desc_and_codec = NULL;
uint32_t n_source = 0, n_sink = 0;
uint32_t capture[1] = { DEVICE_ID_SOURCE }, playback[1] = { DEVICE_ID_SINK };
int priority;
switch (profile_index) {
case DEVICE_PROFILE_OFF:
name = "off";
desc = _("Off");
priority = 0;
break;
case DEVICE_PROFILE_AG:
{
uint32_t profile = device->connected_profiles &
(SPA_BT_PROFILE_A2DP_SOURCE | SPA_BT_PROFILE_HEADSET_AUDIO_GATEWAY);
if (profile == 0) {
return NULL;
} else {
name = "audio-gateway";
desc = _("Audio Gateway (A2DP Source & HSP/HFP AG)");
}
/*
* If the remote is A2DP sink and HF, we likely should prioritize being
* A2DP sender, not gateway. This can occur in PW<->PW if RFCOMM gets
* connected both as AG and HF.
*/
if ((device->connected_profiles & SPA_BT_PROFILE_A2DP_SINK) &&
(device->connected_profiles & SPA_BT_PROFILE_HEADSET_HEAD_UNIT))
priority = 15;
else
priority = 256;
break;
}
case DEVICE_PROFILE_A2DP:
{
/* make this device profile visible only if there is an A2DP sink */
uint32_t profile = device->connected_profiles &
(SPA_BT_PROFILE_A2DP_SINK | SPA_BT_PROFILE_A2DP_SOURCE);
if (!(profile & SPA_BT_PROFILE_A2DP_SINK)) {
return NULL;
}
/* A2DP will only enlist codec profiles */
if (!codec)
return NULL;
name = spa_bt_profile_name(profile);
n_sink++;
if (codec) {
size_t idx;
const struct media_codec *media_codec = get_supported_media_codec(this, codec, &idx, profile);
if (media_codec == NULL) {
errno = EINVAL;
return NULL;
}
name_and_codec = spa_aprintf("%s-%s", name, media_codec->name);
/*
* Give base name to highest priority profile, so that best codec can be
* selected at command line with out knowing which codecs are actually
* supported
*/
if (idx != 0)
name = name_and_codec;
if (profile == SPA_BT_PROFILE_A2DP_SINK && !media_codec->duplex_codec) {
desc_and_codec = spa_aprintf(_("High Fidelity Playback (A2DP Sink, codec %s)"),
media_codec->description);
} else {
desc_and_codec = spa_aprintf(_("High Fidelity Duplex (A2DP Source/Sink, codec %s)"),
media_codec->description);
}
desc = desc_and_codec;
priority = 16 + this->supported_codec_count - idx; /* order as in codec list */
} else {
if (profile == SPA_BT_PROFILE_A2DP_SINK) {
desc = _("High Fidelity Playback (A2DP Sink)");
} else {
desc = _("High Fidelity Duplex (A2DP Source/Sink)");
}
priority = 16;
}
break;
}
case DEVICE_PROFILE_BAP:
{
uint32_t profile = device->connected_profiles &
(SPA_BT_PROFILE_BAP_SINK | SPA_BT_PROFILE_BAP_SOURCE
| SPA_BT_PROFILE_BAP_BROADCAST_SOURCE
| SPA_BT_PROFILE_BAP_BROADCAST_SINK);
size_t idx;
const struct media_codec *media_codec;
/* BAP will only enlist codec profiles */
if (codec == 0)
return NULL;
if (profile == 0)
return NULL;
if ((profile & (SPA_BT_PROFILE_BAP_SINK)) ||
(profile & (SPA_BT_PROFILE_BAP_BROADCAST_SINK)))
n_sink++;
if ((profile & (SPA_BT_PROFILE_BAP_SOURCE)) ||
(profile & (SPA_BT_PROFILE_BAP_BROADCAST_SOURCE)))
n_source++;
name = spa_bt_profile_name(profile);
if (codec) {
media_codec = get_supported_media_codec(this, codec, &idx, profile);
if (media_codec == NULL) {
errno = EINVAL;
return NULL;
}
name_and_codec = spa_aprintf("%s-%s", name, media_codec->name);
/*
* Give base name to highest priority profile, so that best codec can be
* selected at command line with out knowing which codecs are actually
* supported
*/
if (idx != 0)
name = name_and_codec;
switch (profile) {
case SPA_BT_PROFILE_BAP_SINK:
case SPA_BT_PROFILE_BAP_BROADCAST_SINK:
desc_and_codec = spa_aprintf(_("High Fidelity Playback (BAP Sink, codec %s)"),
media_codec->description);
break;
case SPA_BT_PROFILE_BAP_SOURCE:
case SPA_BT_PROFILE_BAP_BROADCAST_SOURCE:
desc_and_codec = spa_aprintf(_("High Fidelity Input (BAP Source, codec %s)"),
media_codec->description);
break;
default:
desc_and_codec = spa_aprintf(_("High Fidelity Duplex (BAP Source/Sink, codec %s)"),
media_codec->description);
}
desc = desc_and_codec;
priority = 128 + this->supported_codec_count - idx; /* order as in codec list */
} else {
switch (profile) {
case SPA_BT_PROFILE_BAP_SINK:
case SPA_BT_PROFILE_BAP_BROADCAST_SINK:
desc = _("High Fidelity Playback (BAP Sink)");
break;
case SPA_BT_PROFILE_BAP_SOURCE:
case SPA_BT_PROFILE_BAP_BROADCAST_SOURCE:
desc = _("High Fidelity Input (BAP Source)");
break;
default:
desc = _("High Fidelity Duplex (BAP Source/Sink)");
}
priority = 128;
}
if (this->device_set.leader) {
n_sink = this->device_set.sinks ? 1 : 0;
n_source = this->device_set.sinks ? 1 : 0;
} else if (this->device_set.path) {
n_sink = 0;
n_source = 0;
}
break;
}
case DEVICE_PROFILE_HSP_HFP:
{
/* make this device profile visible only if there is a head unit */
uint32_t profile = device->connected_profiles &
SPA_BT_PROFILE_HEADSET_HEAD_UNIT;
if (profile == 0) {
return NULL;
}
name = spa_bt_profile_name(profile);
n_source++;
n_sink++;
if (codec) {
bool codec_ok = !(profile & SPA_BT_PROFILE_HEADSET_AUDIO_GATEWAY);
unsigned int hfp_codec = get_hfp_codec(codec);
if (spa_bt_device_supports_hfp_codec(this->bt_dev, hfp_codec) != 1)
codec_ok = false;
if (!codec_ok) {
errno = EINVAL;
return NULL;
}
name_and_codec = spa_aprintf("%s-%s", name, get_hfp_codec_name(hfp_codec));
name = name_and_codec;
desc_and_codec = spa_aprintf(_("Headset Head Unit (HSP/HFP, codec %s)"),
get_hfp_codec_description(hfp_codec));
desc = desc_and_codec;
priority = 1 + hfp_codec; /* prefer lc3_swb > msbc > cvsd */
} else {
desc = _("Headset Head Unit (HSP/HFP)");
priority = 1;
}
break;
}
default:
errno = EINVAL;
return NULL;
}
spa_pod_builder_push_object(b, &f[0], SPA_TYPE_OBJECT_ParamProfile, id);
spa_pod_builder_add(b,
SPA_PARAM_PROFILE_index, SPA_POD_Int(index),
SPA_PARAM_PROFILE_name, SPA_POD_String(name),
SPA_PARAM_PROFILE_description, SPA_POD_String(desc),
SPA_PARAM_PROFILE_available, SPA_POD_Id(SPA_PARAM_AVAILABILITY_yes),
SPA_PARAM_PROFILE_priority, SPA_POD_Int(priority),
0);
if (n_source > 0 || n_sink > 0) {
spa_pod_builder_prop(b, SPA_PARAM_PROFILE_classes, 0);
spa_pod_builder_push_struct(b, &f[1]);
if (n_source > 0) {
spa_pod_builder_add_struct(b,
SPA_POD_String("Audio/Source"),
SPA_POD_Int(n_source),
SPA_POD_String("card.profile.devices"),
SPA_POD_Array(sizeof(uint32_t), SPA_TYPE_Int, 1, capture));
}
if (n_sink > 0) {
spa_pod_builder_add_struct(b,
SPA_POD_String("Audio/Sink"),
SPA_POD_Int(n_sink),
SPA_POD_String("card.profile.devices"),
SPA_POD_Array(sizeof(uint32_t), SPA_TYPE_Int, 1, playback));
}
spa_pod_builder_pop(b, &f[1]);
}
if (current) {
spa_pod_builder_prop(b, SPA_PARAM_PROFILE_save, 0);
spa_pod_builder_bool(b, this->save_profile);
}
if (name_and_codec)
free(name_and_codec);
if (desc_and_codec)
free(desc_and_codec);
return spa_pod_builder_pop(b, &f[0]);
}
static bool validate_profile(struct impl *this, uint32_t profile,
enum spa_bluetooth_audio_codec codec)
{
struct spa_pod_builder b = { 0 };
uint8_t buffer[1024];
spa_pod_builder_init(&b, buffer, sizeof(buffer));
return (build_profile(this, &b, 0, 0, profile, codec, false) != NULL);
}
static struct spa_pod *build_route(struct impl *this, struct spa_pod_builder *b,
uint32_t id, uint32_t port, uint32_t profile)
{
struct spa_bt_device *device = this->bt_dev;
struct spa_pod_frame f[2];
enum spa_direction direction;
const char *name_prefix, *description, *hfp_description, *port_type;
enum spa_bt_form_factor ff;
enum spa_bluetooth_audio_codec codec;
enum spa_param_availability available;
char name[128];
uint32_t i, j, mask, next;
uint32_t dev = SPA_ID_INVALID, enum_dev;
ff = spa_bt_form_factor_from_class(device->bluetooth_class);
switch (ff) {
case SPA_BT_FORM_FACTOR_HEADSET:
name_prefix = "headset";
description = _("Headset");
hfp_description = _("Handsfree");
port_type = "headset";
break;
case SPA_BT_FORM_FACTOR_HANDSFREE:
name_prefix = "handsfree";
description = _("Handsfree");
hfp_description = _("Handsfree (HFP)");
port_type = "handsfree";
break;
case SPA_BT_FORM_FACTOR_MICROPHONE:
name_prefix = "microphone";
description = _("Microphone");
hfp_description = _("Handsfree");
port_type = "mic";
break;
case SPA_BT_FORM_FACTOR_SPEAKER:
name_prefix = "speaker";
description = _("Speaker");
hfp_description = _("Handsfree");
port_type = "speaker";
break;
case SPA_BT_FORM_FACTOR_HEADPHONE:
name_prefix = "headphone";
description = _("Headphone");
hfp_description = _("Handsfree");
port_type = "headphones";
break;
case SPA_BT_FORM_FACTOR_PORTABLE:
name_prefix = "portable";
description = _("Portable");
hfp_description = _("Handsfree");
port_type = "portable";
break;
case SPA_BT_FORM_FACTOR_CAR:
name_prefix = "car";
description = _("Car");
hfp_description = _("Handsfree");
port_type = "car";
break;
case SPA_BT_FORM_FACTOR_HIFI:
name_prefix = "hifi";
description = _("HiFi");
hfp_description = _("Handsfree");
port_type = "hifi";
break;
case SPA_BT_FORM_FACTOR_PHONE:
name_prefix = "phone";
description = _("Phone");
hfp_description = _("Handsfree");
port_type = "phone";
break;
case SPA_BT_FORM_FACTOR_UNKNOWN:
default:
name_prefix = "bluetooth";
description = _("Bluetooth");
hfp_description = _("Bluetooth (HFP)");
port_type = "bluetooth";
break;
}
switch (port) {
case 0:
direction = SPA_DIRECTION_INPUT;
snprintf(name, sizeof(name), "%s-input", name_prefix);
enum_dev = DEVICE_ID_SOURCE;
if ((this->bt_dev->connected_profiles & SPA_BT_PROFILE_A2DP_SINK) &&
!(this->bt_dev->connected_profiles & SPA_BT_PROFILE_A2DP_SOURCE) &&
!(this->bt_dev->connected_profiles & SPA_BT_PROFILE_BAP_AUDIO) &&
(this->bt_dev->connected_profiles & SPA_BT_PROFILE_HEADSET_HEAD_UNIT))
description = hfp_description;
if (profile == DEVICE_PROFILE_A2DP || profile == DEVICE_PROFILE_BAP ||
profile == DEVICE_PROFILE_HSP_HFP)
dev = enum_dev;
else if (profile != SPA_ID_INVALID)
enum_dev = SPA_ID_INVALID;
break;
case 1:
direction = SPA_DIRECTION_OUTPUT;
snprintf(name, sizeof(name), "%s-output", name_prefix);
enum_dev = DEVICE_ID_SINK;
if (profile == DEVICE_PROFILE_A2DP || profile == DEVICE_PROFILE_BAP)
dev = enum_dev;
else if (profile != SPA_ID_INVALID)
enum_dev = SPA_ID_INVALID;
break;
case 2:
direction = SPA_DIRECTION_OUTPUT;
snprintf(name, sizeof(name), "%s-hf-output", name_prefix);
description = hfp_description;
enum_dev = DEVICE_ID_SINK;
if (profile == DEVICE_PROFILE_HSP_HFP)
dev = enum_dev;
else if (profile != SPA_ID_INVALID)
enum_dev = SPA_ID_INVALID;
break;
case 3:
if (!this->device_set.leader) {
errno = EINVAL;
return NULL;
}
direction = SPA_DIRECTION_INPUT;
snprintf(name, sizeof(name), "%s-set-input", name_prefix);
enum_dev = DEVICE_ID_SOURCE_SET;
if (profile == DEVICE_PROFILE_BAP)
dev = enum_dev;
else if (profile != SPA_ID_INVALID)
enum_dev = SPA_ID_INVALID;
break;
case 4:
if (!this->device_set.leader) {
errno = EINVAL;
return NULL;
}
direction = SPA_DIRECTION_OUTPUT;
snprintf(name, sizeof(name), "%s-set-output", name_prefix);
enum_dev = DEVICE_ID_SINK_SET;
if (profile == DEVICE_PROFILE_BAP)
dev = enum_dev;
else if (profile != SPA_ID_INVALID)
enum_dev = SPA_ID_INVALID;
break;
default:
errno = EINVAL;
return NULL;
}
if (enum_dev == SPA_ID_INVALID) {
errno = EINVAL;
return NULL;
}
available = SPA_PARAM_AVAILABILITY_yes;
if (this->device_set.path && !(port == 4 || port == 5))
available = SPA_PARAM_AVAILABILITY_no;
spa_pod_builder_push_object(b, &f[0], SPA_TYPE_OBJECT_ParamRoute, id);
spa_pod_builder_add(b,
SPA_PARAM_ROUTE_index, SPA_POD_Int(port),
SPA_PARAM_ROUTE_direction, SPA_POD_Id(direction),
SPA_PARAM_ROUTE_name, SPA_POD_String(name),
SPA_PARAM_ROUTE_description, SPA_POD_String(description),
SPA_PARAM_ROUTE_priority, SPA_POD_Int(0),
SPA_PARAM_ROUTE_available, SPA_POD_Id(available),
0);
spa_pod_builder_prop(b, SPA_PARAM_ROUTE_info, 0);
spa_pod_builder_push_struct(b, &f[1]);
spa_pod_builder_int(b, 1);
spa_pod_builder_add(b,
SPA_POD_String("port.type"),
SPA_POD_String(port_type),
NULL);
spa_pod_builder_pop(b, &f[1]);
spa_pod_builder_prop(b, SPA_PARAM_ROUTE_profiles, 0);
spa_pod_builder_push_array(b, &f[1]);
mask = 0;
for (i = 1; (j = get_profile_from_index(this, i, &next, &codec)) != SPA_ID_INVALID; i = next) {
uint32_t profile_mask;
if (j == DEVICE_PROFILE_A2DP && !(port == 0 || port == 1))
continue;
if (j == DEVICE_PROFILE_BAP && !(port == 0 || port == 1 || port == 3 || port == 4))
continue;
if (j == DEVICE_PROFILE_HSP_HFP && !(port == 0 || port == 2))
continue;
profile_mask = profile_direction_mask(this, j, codec, false);
if (!(profile_mask & (1 << direction)))
continue;
/* Check the profile actually exists */
if (!validate_profile(this, j, codec))
continue;
mask |= profile_mask;
spa_pod_builder_int(b, i);
}
spa_pod_builder_pop(b, &f[1]);
if (!(mask & (1 << direction))) {
/* No profile has route direction */
return NULL;
}
if (dev != SPA_ID_INVALID) {
struct node *node = &this->nodes[dev];
struct spa_bt_transport_volume *t_volume;
mask = profile_direction_mask(this, this->profile, this->props.codec, true);
if (!(mask & (1 << direction)))
return NULL;
t_volume = node->transport
? &node->transport->volumes[node->id]
: NULL;
spa_pod_builder_prop(b, SPA_PARAM_ROUTE_device, 0);
spa_pod_builder_int(b, dev);
spa_pod_builder_prop(b, SPA_PARAM_ROUTE_props, 0);
spa_pod_builder_push_object(b, &f[1], SPA_TYPE_OBJECT_Props, id);
spa_pod_builder_prop(b, SPA_PROP_mute, 0);
spa_pod_builder_bool(b, node->mute);
spa_pod_builder_prop(b, SPA_PROP_channelVolumes,
(t_volume && t_volume->active) ? SPA_POD_PROP_FLAG_HARDWARE : 0);
spa_pod_builder_array(b, sizeof(float), SPA_TYPE_Float,
node->n_channels, node->volumes);
if (t_volume && t_volume->active) {
spa_pod_builder_prop(b, SPA_PROP_volumeStep, SPA_POD_PROP_FLAG_READONLY);
spa_pod_builder_float(b, 1.0f / (t_volume->hw_volume_max + 1));
}
spa_pod_builder_prop(b, SPA_PROP_channelMap, 0);
spa_pod_builder_array(b, sizeof(uint32_t), SPA_TYPE_Id,
node->n_channels, node->channels);
if ((this->profile == DEVICE_PROFILE_A2DP || this->profile == DEVICE_PROFILE_BAP) &&
(dev & SINK_ID_FLAG)) {
spa_pod_builder_prop(b, SPA_PROP_latencyOffsetNsec, 0);
spa_pod_builder_long(b, node->latency_offset);
}
spa_pod_builder_pop(b, &f[1]);
spa_pod_builder_prop(b, SPA_PARAM_ROUTE_save, 0);
spa_pod_builder_bool(b, node->save);
}
spa_pod_builder_prop(b, SPA_PARAM_ROUTE_devices, 0);
spa_pod_builder_push_array(b, &f[1]);
spa_pod_builder_int(b, enum_dev);
spa_pod_builder_pop(b, &f[1]);
if (profile != SPA_ID_INVALID) {
spa_pod_builder_prop(b, SPA_PARAM_ROUTE_profile, 0);
spa_pod_builder_int(b, profile);
}
return spa_pod_builder_pop(b, &f[0]);
}
static bool iterate_supported_media_codecs(struct impl *this, int *j, const struct media_codec **codec)
{
int i;
next:
*j = *j + 1;
spa_assert(*j >= 0);
if ((size_t)*j >= this->supported_codec_count)
return false;
for (i = 0; i < *j; ++i)
if (this->supported_codecs[i]->id == this->supported_codecs[*j]->id)
goto next;
*codec = this->supported_codecs[*j];
return true;
}
static struct spa_pod *build_prop_info_codec(struct impl *this, struct spa_pod_builder *b, uint32_t id)
{
struct spa_pod_frame f[2];
struct spa_pod_choice *choice;
const struct media_codec *codec;
size_t n;
int j;
#define FOR_EACH_MEDIA_CODEC(j, codec) \
for (j = -1; iterate_supported_media_codecs(this, &j, &codec);)
#define FOR_EACH_HFP_CODEC(j) \
for (j = HFP_AUDIO_CODEC_LC3_SWB; j >= HFP_AUDIO_CODEC_CVSD; --j) \
if (spa_bt_device_supports_hfp_codec(this->bt_dev, j) == 1)
spa_pod_builder_push_object(b, &f[0], SPA_TYPE_OBJECT_PropInfo, id);
/*
* XXX: the ids in principle should use builder_id, not builder_int,
* XXX: but the type info for _type and _labels doesn't work quite right now.
*/
/* Transport codec */
spa_pod_builder_prop(b, SPA_PROP_INFO_id, 0);
spa_pod_builder_id(b, SPA_PROP_bluetoothAudioCodec);
spa_pod_builder_prop(b, SPA_PROP_INFO_description, 0);
spa_pod_builder_string(b, "Air codec");
spa_pod_builder_prop(b, SPA_PROP_INFO_type, 0);
spa_pod_builder_push_choice(b, &f[1], SPA_CHOICE_Enum, 0);
choice = (struct spa_pod_choice *)spa_pod_builder_frame(b, &f[1]);
n = 0;
if (this->profile == DEVICE_PROFILE_A2DP || this->profile == DEVICE_PROFILE_BAP) {
FOR_EACH_MEDIA_CODEC(j, codec) {
if (n == 0)
spa_pod_builder_int(b, codec->id);
spa_pod_builder_int(b, codec->id);
++n;
}
} else if (this->profile == DEVICE_PROFILE_HSP_HFP) {
FOR_EACH_HFP_CODEC(j) {
if (n == 0)
spa_pod_builder_int(b, get_hfp_codec_id(j));
spa_pod_builder_int(b, get_hfp_codec_id(j));
++n;
}
}
if (n == 0)
choice->body.type = SPA_CHOICE_None;
spa_pod_builder_pop(b, &f[1]);
spa_pod_builder_prop(b, SPA_PROP_INFO_labels, 0);
spa_pod_builder_push_struct(b, &f[1]);
if (this->profile == DEVICE_PROFILE_A2DP || this->profile == DEVICE_PROFILE_BAP) {
FOR_EACH_MEDIA_CODEC(j, codec) {
spa_pod_builder_int(b, codec->id);
spa_pod_builder_string(b, codec->description);
}
} else if (this->profile == DEVICE_PROFILE_HSP_HFP) {
FOR_EACH_HFP_CODEC(j) {
spa_pod_builder_int(b, get_hfp_codec_id(j));
spa_pod_builder_string(b, get_hfp_codec_description(j));
}
}
spa_pod_builder_pop(b, &f[1]);
return spa_pod_builder_pop(b, &f[0]);
#undef FOR_EACH_MEDIA_CODEC
#undef FOR_EACH_HFP_CODEC
}
static struct spa_pod *build_props(struct impl *this, struct spa_pod_builder *b, uint32_t id)
{
struct props *p = &this->props;
return spa_pod_builder_add_object(b,
SPA_TYPE_OBJECT_Props, id,
SPA_PROP_bluetoothAudioCodec, SPA_POD_Id(p->codec),
SPA_PROP_bluetoothOffloadActive, SPA_POD_Bool(p->offload_active));
}
static int impl_enum_params(void *object, int seq,
uint32_t id, uint32_t start, uint32_t num,
const struct spa_pod *filter)
{
struct impl *this = object;
struct spa_pod *param;
struct spa_pod_builder b = { 0 };
uint8_t buffer[2048];
struct spa_result_device_params result;
uint32_t count = 0;
spa_return_val_if_fail(this != NULL, -EINVAL);
spa_return_val_if_fail(num != 0, -EINVAL);
result.id = id;
result.next = start;
next:
result.index = result.next++;
spa_pod_builder_init(&b, buffer, sizeof(buffer));
switch (id) {
case SPA_PARAM_EnumProfile:
{
uint32_t profile;
enum spa_bluetooth_audio_codec codec;
profile = get_profile_from_index(this, result.index, &result.next, &codec);
switch (profile) {
case DEVICE_PROFILE_OFF:
case DEVICE_PROFILE_AG:
case DEVICE_PROFILE_A2DP:
case DEVICE_PROFILE_BAP:
case DEVICE_PROFILE_HSP_HFP:
param = build_profile(this, &b, id, result.index, profile, codec, false);
if (param == NULL)
goto next;
break;
default:
return 0;
}
break;
}
case SPA_PARAM_Profile:
{
uint32_t index;
switch (result.index) {
case 0:
index = get_index_from_profile(this, this->profile, this->props.codec);
param = build_profile(this, &b, id, index, this->profile, this->props.codec, true);
if (param == NULL)
return 0;
break;
default:
return 0;
}
break;
}
case SPA_PARAM_EnumRoute:
{
switch (result.index) {
case 0: case 1: case 2: case 3: case 4:
param = build_route(this, &b, id, result.index, SPA_ID_INVALID);
if (param == NULL)
goto next;
break;
default:
return 0;
}
break;
}
case SPA_PARAM_Route:
{
switch (result.index) {
case 0: case 1: case 2: case 3: case 4: case 5:
param = build_route(this, &b, id, result.index, this->profile);
if (param == NULL)
goto next;
break;
default:
return 0;
}
break;
}
case SPA_PARAM_PropInfo:
{
switch (result.index) {
case 0:
param = build_prop_info_codec(this, &b, id);
break;
case 1:
param = spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_PropInfo, id,
SPA_PROP_INFO_id, SPA_POD_Id(SPA_PROP_bluetoothOffloadActive),
SPA_PROP_INFO_description, SPA_POD_String("Bluetooth audio offload active"),
SPA_PROP_INFO_type, SPA_POD_CHOICE_Bool(false));
break;
default:
return 0;
}
break;
}
case SPA_PARAM_Props:
{
switch (result.index) {
case 0:
param = build_props(this, &b, id);
break;
default:
return 0;
}
break;
}
default:
return -ENOENT;
}
if (spa_pod_filter(&b, &result.param, param, filter) < 0)
goto next;
spa_device_emit_result(&this->hooks, seq, 0,
SPA_RESULT_TYPE_DEVICE_PARAMS, &result);
if (++count != num)
goto next;
return 0;
}
static int node_set_volume(struct impl *this, struct node *node, float volumes[], uint32_t n_volumes)
{
uint32_t i;
int changed = 0;
struct spa_bt_transport_volume *t_volume;
if (n_volumes == 0)
return -EINVAL;
spa_log_info(this->log, "node %d volume %f", node->id, volumes[0]);
for (i = 0; i < node->n_channels; i++) {
if (node->volumes[i] == volumes[i % n_volumes])
continue;
++changed;
node->volumes[i] = volumes[i % n_volumes];
}
t_volume = node->transport ? &node->transport->volumes[node->id]: NULL;
if (t_volume && t_volume->active
&& spa_bt_transport_volume_enabled(node->transport)) {
float hw_volume = node_get_hw_volume(node);
spa_log_debug(this->log, "node %d hardware volume %f", node->id, hw_volume);
node_update_soft_volumes(node, hw_volume);
spa_bt_transport_set_volume(node->transport, node->id, hw_volume);
} else {
float boost = get_soft_volume_boost(node);
for (uint32_t i = 0; i < node->n_channels; ++i)
node->soft_volumes[i] = node->volumes[i] * boost;
}
emit_volume(this, node);
return changed;
}
static int node_set_mute(struct impl *this, struct node *node, bool mute)
{
struct spa_event *event;
uint8_t buffer[4096];
struct spa_pod_builder b = { 0 };
struct spa_pod_frame f[1];
int changed = 0;
spa_log_info(this->log, "node %d mute %d", node->id, mute);
changed = (node->mute != mute);
node->mute = mute;
spa_pod_builder_init(&b, buffer, sizeof(buffer));
spa_pod_builder_push_object(&b, &f[0],
SPA_TYPE_EVENT_Device, SPA_DEVICE_EVENT_ObjectConfig);
spa_pod_builder_prop(&b, SPA_EVENT_DEVICE_Object, 0);
spa_pod_builder_int(&b, node->id);
spa_pod_builder_prop(&b, SPA_EVENT_DEVICE_Props, 0);
spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_Props, SPA_EVENT_DEVICE_Props,
SPA_PROP_mute, SPA_POD_Bool(mute),
SPA_PROP_softMute, SPA_POD_Bool(mute));
event = spa_pod_builder_pop(&b, &f[0]);
spa_device_emit_event(&this->hooks, event);
return changed;
}
static int node_set_latency_offset(struct impl *this, struct node *node, int64_t latency_offset)
{
struct spa_event *event;
uint8_t buffer[4096];
struct spa_pod_builder b = { 0 };
struct spa_pod_frame f[1];
int changed = 0;
spa_log_info(this->log, "node %d latency offset %"PRIi64" nsec", node->id, latency_offset);
changed = (node->latency_offset != latency_offset);
node->latency_offset = latency_offset;
spa_pod_builder_init(&b, buffer, sizeof(buffer));
spa_pod_builder_push_object(&b, &f[0],
SPA_TYPE_EVENT_Device, SPA_DEVICE_EVENT_ObjectConfig);
spa_pod_builder_prop(&b, SPA_EVENT_DEVICE_Object, 0);
spa_pod_builder_int(&b, node->id);
spa_pod_builder_prop(&b, SPA_EVENT_DEVICE_Props, 0);
spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_Props, SPA_EVENT_DEVICE_Props,
SPA_PROP_latencyOffsetNsec, SPA_POD_Long(latency_offset));
event = spa_pod_builder_pop(&b, &f[0]);
spa_device_emit_event(&this->hooks, event);
return changed;
}
static int apply_device_props(struct impl *this, struct node *node, struct spa_pod *props)
{
float volume = 0;
bool mute = 0;
struct spa_pod_prop *prop;
struct spa_pod_object *obj = (struct spa_pod_object *) props;
int changed = 0;
float volumes[SPA_AUDIO_MAX_CHANNELS];
uint32_t channels[SPA_AUDIO_MAX_CHANNELS];
uint32_t n_volumes = 0, SPA_UNUSED n_channels = 0;
int64_t latency_offset = 0;
if (!spa_pod_is_object_type(props, SPA_TYPE_OBJECT_Props))
return -EINVAL;
SPA_POD_OBJECT_FOREACH(obj, prop) {
switch (prop->key) {
case SPA_PROP_volume:
if (spa_pod_get_float(&prop->value, &volume) == 0) {
int res = node_set_volume(this, node, &volume, 1);
if (res > 0)
++changed;
}
break;
case SPA_PROP_mute:
if (spa_pod_get_bool(&prop->value, &mute) == 0) {
int res = node_set_mute(this, node, mute);
if (res > 0)
++changed;
}
break;
case SPA_PROP_channelVolumes:
n_volumes = spa_pod_copy_array(&prop->value, SPA_TYPE_Float,
volumes, SPA_AUDIO_MAX_CHANNELS);
break;
case SPA_PROP_channelMap:
n_channels = spa_pod_copy_array(&prop->value, SPA_TYPE_Id,
channels, SPA_AUDIO_MAX_CHANNELS);
break;
case SPA_PROP_latencyOffsetNsec:
if (spa_pod_get_long(&prop->value, &latency_offset) == 0) {
int res = node_set_latency_offset(this, node, latency_offset);
if (res > 0)
++changed;
}
}
}
if (n_volumes > 0) {
int res = node_set_volume(this, node, volumes, n_volumes);
if (res > 0)
++changed;
}
return changed;
}
static void apply_prop_offload_active(struct impl *this, bool active)
{
bool old_value = this->props.offload_active;
unsigned int i;
this->props.offload_active = active;
for (i = 0; i < SPA_N_ELEMENTS(this->nodes); i++) {
node_offload_set_active(&this->nodes[i], active);
if (!this->nodes[i].offload_acquired)
this->props.offload_active = false;
}
if (this->props.offload_active != old_value) {
this->info.change_mask |= SPA_DEVICE_CHANGE_MASK_PARAMS;
this->params[IDX_Props].flags ^= SPA_PARAM_INFO_SERIAL;
emit_info(this, false);
}
}
static int impl_set_param(void *object,
uint32_t id, uint32_t flags,
const struct spa_pod *param)
{
struct impl *this = object;
int res;
spa_return_val_if_fail(this != NULL, -EINVAL);
switch (id) {
case SPA_PARAM_Profile:
{
uint32_t idx, next;
uint32_t profile;
enum spa_bluetooth_audio_codec codec;
bool save = false;
if (param == NULL)
return -EINVAL;
if ((res = spa_pod_parse_object(param,
SPA_TYPE_OBJECT_ParamProfile, NULL,
SPA_PARAM_PROFILE_index, SPA_POD_Int(&idx),
SPA_PARAM_PROFILE_save, SPA_POD_OPT_Bool(&save))) < 0) {
spa_log_warn(this->log, "can't parse profile");
spa_debug_log_pod(this->log, SPA_LOG_LEVEL_DEBUG, 0, NULL, param);
return res;
}
profile = get_profile_from_index(this, idx, &next, &codec);
if (profile == SPA_ID_INVALID)
return -EINVAL;
spa_log_debug(this->log, "%p: setting profile %d codec:%d save:%d", this,
profile, codec, (int)save);
return set_profile(this, profile, codec, save);
}
case SPA_PARAM_Route:
{
uint32_t idx, device;
struct spa_pod *props = NULL;
struct node *node;
bool save = false;
if (param == NULL)
return -EINVAL;
if ((res = spa_pod_parse_object(param,
SPA_TYPE_OBJECT_ParamRoute, NULL,
SPA_PARAM_ROUTE_index, SPA_POD_Int(&idx),
SPA_PARAM_ROUTE_device, SPA_POD_Int(&device),
SPA_PARAM_ROUTE_props, SPA_POD_OPT_Pod(&props),
SPA_PARAM_ROUTE_save, SPA_POD_OPT_Bool(&save))) < 0) {
spa_log_warn(this->log, "can't parse route");
spa_debug_log_pod(this->log, SPA_LOG_LEVEL_DEBUG, 0, NULL, param);
return res;
}
if (device >= SPA_N_ELEMENTS(this->nodes) || !this->nodes[device].active)
return -EINVAL;
node = &this->nodes[device];
node->save = save;
if (props) {
int changed = apply_device_props(this, node, props);
if (changed > 0) {
this->info.change_mask |= SPA_DEVICE_CHANGE_MASK_PARAMS;
this->params[IDX_Route].flags ^= SPA_PARAM_INFO_SERIAL;
}
emit_info(this, false);
}
break;
}
case SPA_PARAM_Props:
{
uint32_t codec_id = SPA_ID_INVALID;
bool offload_active = this->props.offload_active;
if (param == NULL)
return 0;
if ((res = spa_pod_parse_object(param,
SPA_TYPE_OBJECT_Props, NULL,
SPA_PROP_bluetoothAudioCodec, SPA_POD_OPT_Id(&codec_id),
SPA_PROP_bluetoothOffloadActive, SPA_POD_OPT_Bool(&offload_active))) < 0) {
spa_log_warn(this->log, "can't parse props");
spa_debug_log_pod(this->log, SPA_LOG_LEVEL_DEBUG, 0, NULL, param);
return res;
}
spa_log_debug(this->log, "setting props codec:%d offload:%d", (int)codec_id, (int)offload_active);
apply_prop_offload_active(this, offload_active);
if (codec_id == SPA_ID_INVALID)
return 0;
if (this->profile == DEVICE_PROFILE_A2DP || this->profile == DEVICE_PROFILE_BAP) {
size_t j;
for (j = 0; j < this->supported_codec_count; ++j) {
if (this->supported_codecs[j]->id == codec_id) {
return set_profile(this, this->profile, codec_id, true);
}
}
} else if (this->profile == DEVICE_PROFILE_HSP_HFP) {
if (codec_id == SPA_BLUETOOTH_AUDIO_CODEC_CVSD &&
spa_bt_device_supports_hfp_codec(this->bt_dev, HFP_AUDIO_CODEC_CVSD) == 1) {
return set_profile(this, this->profile, codec_id, true);
} else if (codec_id == SPA_BLUETOOTH_AUDIO_CODEC_MSBC &&
spa_bt_device_supports_hfp_codec(this->bt_dev, HFP_AUDIO_CODEC_MSBC) == 1) {
return set_profile(this, this->profile, codec_id, true);
} else if (codec_id == SPA_BLUETOOTH_AUDIO_CODEC_LC3_SWB &&
spa_bt_device_supports_hfp_codec(this->bt_dev, HFP_AUDIO_CODEC_LC3_SWB) == 1) {
return set_profile(this, this->profile, codec_id, true);
}
}
return -EINVAL;
}
default:
return -ENOENT;
}
return 0;
}
static const struct spa_device_methods impl_device = {
SPA_VERSION_DEVICE_METHODS,
.add_listener = impl_add_listener,
.sync = impl_sync,
.enum_params = impl_enum_params,
.set_param = impl_set_param,
};
static int impl_get_interface(struct spa_handle *handle, const char *type, void **interface)
{
struct impl *this;
spa_return_val_if_fail(handle != NULL, -EINVAL);
spa_return_val_if_fail(interface != NULL, -EINVAL);
this = (struct impl *) handle;
if (spa_streq(type, SPA_TYPE_INTERFACE_Device))
*interface = &this->device;
else
return -ENOENT;
return 0;
}
static int impl_clear(struct spa_handle *handle)
{
struct impl *this = (struct impl *) handle;
const struct spa_dict_item *it;
emit_remove_nodes(this);
free(this->supported_codecs);
if (this->bt_dev) {
this->bt_dev->settings = NULL;
spa_hook_remove(&this->bt_dev_listener);
}
spa_dict_for_each(it, &this->setting_dict) {
if(it->key)
free((void *)it->key);
if(it->value)
free((void *)it->value);
}
device_set_clear(this);
return 0;
}
static size_t
impl_get_size(const struct spa_handle_factory *factory,
const struct spa_dict *params)
{
return sizeof(struct impl);
}
static const struct spa_dict*
filter_bluez_device_setting(struct impl *this, const struct spa_dict *dict)
{
uint32_t n_items = 0;
for (uint32_t i = 0
; i < dict->n_items && n_items < SPA_N_ELEMENTS(this->setting_items)
; i++)
{
const struct spa_dict_item *it = &dict->items[i];
if (it->key != NULL && strncmp(it->key, "bluez", 5) == 0 && it->value != NULL) {
this->setting_items[n_items++] =
SPA_DICT_ITEM_INIT(strdup(it->key), strdup(it->value));
}
}
this->setting_dict = SPA_DICT_INIT(this->setting_items, n_items);
return &this->setting_dict;
}
static int
impl_init(const struct spa_handle_factory *factory,
struct spa_handle *handle,
const struct spa_dict *info,
const struct spa_support *support,
uint32_t n_support)
{
struct impl *this;
const char *str;
unsigned int i;
spa_return_val_if_fail(factory != NULL, -EINVAL);
spa_return_val_if_fail(handle != NULL, -EINVAL);
handle->get_interface = impl_get_interface;
handle->clear = impl_clear;
this = (struct impl *) handle;
this->log = spa_support_find(support, n_support, SPA_TYPE_INTERFACE_Log);
_i18n = spa_support_find(support, n_support, SPA_TYPE_INTERFACE_I18N);
spa_log_topic_init(this->log, &log_topic);
if (info && (str = spa_dict_lookup(info, SPA_KEY_API_BLUEZ5_DEVICE)))
sscanf(str, "pointer:%p", &this->bt_dev);
if (this->bt_dev == NULL) {
spa_log_error(this->log, "a device is needed");
return -EINVAL;
}
if (info) {
int profiles;
this->bt_dev->settings = filter_bluez_device_setting(this, info);
if ((str = spa_dict_lookup(info, "bluez5.auto-connect")) != NULL) {
if ((profiles = spa_bt_profiles_from_json_array(str)) >= 0)
this->bt_dev->reconnect_profiles = profiles;
}
if ((str = spa_dict_lookup(info, "bluez5.hw-volume")) != NULL) {
if ((profiles = spa_bt_profiles_from_json_array(str)) >= 0)
this->bt_dev->hw_volume_profiles = profiles;
}
}
this->device.iface = SPA_INTERFACE_INIT(
SPA_TYPE_INTERFACE_Device,
SPA_VERSION_DEVICE,
&impl_device, this);
spa_hook_list_init(&this->hooks);
reset_props(&this->props);
for (i = 0; i < SPA_N_ELEMENTS(this->nodes); ++i)
init_node(this, &this->nodes[i], i);
this->info = SPA_DEVICE_INFO_INIT();
this->info_all = SPA_DEVICE_CHANGE_MASK_PROPS |
SPA_DEVICE_CHANGE_MASK_PARAMS;
this->params[IDX_EnumProfile] = SPA_PARAM_INFO(SPA_PARAM_EnumProfile, SPA_PARAM_INFO_READ);
this->params[IDX_Profile] = SPA_PARAM_INFO(SPA_PARAM_Profile, SPA_PARAM_INFO_READWRITE);
this->params[IDX_EnumRoute] = SPA_PARAM_INFO(SPA_PARAM_EnumRoute, SPA_PARAM_INFO_READ);
this->params[IDX_Route] = SPA_PARAM_INFO(SPA_PARAM_Route, SPA_PARAM_INFO_READWRITE);
this->params[IDX_PropInfo] = SPA_PARAM_INFO(SPA_PARAM_PropInfo, SPA_PARAM_INFO_READ);
this->params[IDX_Props] = SPA_PARAM_INFO(SPA_PARAM_Props, SPA_PARAM_INFO_READWRITE);
this->info.params = this->params;
this->info.n_params = 6;
spa_bt_device_add_listener(this->bt_dev, &this->bt_dev_listener, &bt_dev_events, this);
this->device_set.impl = this;
set_initial_profile(this);
return 0;
}
static const struct spa_interface_info impl_interfaces[] = {
{SPA_TYPE_INTERFACE_Device,},
};
static int
impl_enum_interface_info(const struct spa_handle_factory *factory,
const struct spa_interface_info **info,
uint32_t *index)
{
spa_return_val_if_fail(factory != NULL, -EINVAL);
spa_return_val_if_fail(info != NULL, -EINVAL);
spa_return_val_if_fail(index != NULL, -EINVAL);
if (*index >= SPA_N_ELEMENTS(impl_interfaces))
return 0;
*info = &impl_interfaces[(*index)++];
return 1;
}
static const struct spa_dict_item handle_info_items[] = {
{ SPA_KEY_FACTORY_AUTHOR, "Wim Taymans <wim.taymans@gmail.com>" },
{ SPA_KEY_FACTORY_DESCRIPTION, "A bluetooth device" },
{ SPA_KEY_FACTORY_USAGE, SPA_KEY_API_BLUEZ5_DEVICE"=<device>" },
};
static const struct spa_dict handle_info = SPA_DICT_INIT_ARRAY(handle_info_items);
const struct spa_handle_factory spa_bluez5_device_factory = {
SPA_VERSION_HANDLE_FACTORY,
SPA_NAME_API_BLUEZ5_DEVICE,
&handle_info,
impl_get_size,
impl_init,
impl_enum_interface_info,
};
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