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bluez5: rework sco i/o + autodetect mtu

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Move SCO polling to a single place, and abstract mtu handling.
Autodetect suitable tx packet size based on rx, instead of relying on
the kernel providing correct values.
This commit is contained in:
Pauli Virtanen 2020-12-23 15:10:04 +02:00
parent 518365e350
commit 368182d963
9 changed files with 423 additions and 79 deletions
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10
spa/plugins/bluez5/defs.h
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@ -246,6 +246,14 @@ struct spa_bt_device *spa_bt_device_find_by_address(struct spa_bt_monitor *monit
int spa_bt_device_connect_profile(struct spa_bt_device *device, enum spa_bt_profile profile);
int spa_bt_device_check_profiles(struct spa_bt_device *device, bool force);
struct spa_bt_sco_io;
struct spa_bt_sco_io *spa_bt_sco_io_create(struct spa_loop *data_loop, int fd, uint16_t write_mtu, uint16_t read_mtu);
void spa_bt_sco_io_destroy(struct spa_bt_sco_io *io);
void spa_bt_sco_io_set_source_cb(struct spa_bt_sco_io *io, int (*source_cb)(void *userdata, uint8_t *data, int size), void *userdata);
void spa_bt_sco_io_set_sink_cb(struct spa_bt_sco_io *io, int (*sink_cb)(void *userdata), void *userdata);
int spa_bt_sco_io_write(struct spa_bt_sco_io *io, uint8_t *data, int size);
enum spa_bt_transport_state {
SPA_BT_TRANSPORT_STATE_IDLE,
SPA_BT_TRANSPORT_STATE_PENDING,
@ -290,6 +298,7 @@ struct spa_bt_transport {
uint16_t write_mtu;
uint16_t delay;
void *user_data;
struct spa_bt_sco_io *sco_io;
struct spa_hook_list listener_list;
struct spa_callbacks impl;
@ -304,6 +313,7 @@ struct spa_bt_transport *spa_bt_transport_find_full(struct spa_bt_monitor *monit
int spa_bt_transport_acquire(struct spa_bt_transport *t, bool optional);
int spa_bt_transport_release(struct spa_bt_transport *t);
void spa_bt_transport_ensure_sco_io(struct spa_bt_transport *t, struct spa_loop *data_loop);
#define spa_bt_transport_emit(t,m,v,...) spa_hook_list_call(&(t)->listener_list, \
struct spa_bt_transport_events, \