25 #ifndef PIPEWIRE_STREAM_H 26 #define PIPEWIRE_STREAM_H 213 #define PW_VERSION_STREAM_EVENTS 2 225 void (*
io_changed) (
void *data, uint32_t id,
void *area, uint32_t size);
void pw_stream_destroy(struct pw_stream *stream)
Destroy a stream.
Definition: stream.c:1489
#define pw_direction
The direction of a port.
Definition: port.h:63
uint64_t ticks
the ticks at now.
Definition: stream.h:203
Definition: properties.h:53
the stream is in error
Definition: stream.h:174
uint32_t n_values
number of values in array
Definition: stream.h:195
the application will allocate buffer memory.
Definition: stream.h:277
float * values
array of values
Definition: stream.h:194
int64_t now
the monotonic time in nanoseconds
Definition: stream.h:201
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:342
A time structure.
Definition: stream.h:200
struct spa_dict dict
dictionary of key/values
Definition: properties.h:54
void(* add_buffer)(void *data, struct pw_buffer *buffer)
when a new buffer was created for this stream
Definition: stream.h:236
int pw_stream_flush(struct pw_stream *stream, bool drain)
Flush a stream.
Definition: stream.c:2175
Events for a stream.
Definition: stream.h:217
call process from the realtime thread.
Definition: stream.h:269
struct spa_fraction rate
the rate of ticks and delay
Definition: stream.h:202
uint64_t queued
data queued in the stream, this is the sum of the size fields in the pw_buffer that are currently que...
Definition: stream.h:208
don't try to reconnect this stream when the sink/source is removed
Definition: stream.h:275
int pw_stream_trigger_process(struct pw_stream *stream)
Trigger a push/pull on the stream.
Definition: stream.c:2222
connection is in progress
Definition: stream.h:176
void pw_stream_add_listener(struct pw_stream *stream, struct spa_hook *listener, const struct pw_stream_events *events, void *data)
Definition: stream.c:1542
const char * pw_stream_get_name(struct pw_stream *stream)
Definition: stream.c:1566
try to automatically connect this stream
Definition: stream.h:262
int pw_stream_get_time(struct pw_stream *stream, struct pw_time *time)
Query the time on the stream.
Definition: stream.c:2054
void(* command)(void *data, const struct spa_command *command)
A command notify, Since 0.3.39:1.
Definition: stream.h:250
paused
Definition: stream.h:177
int pw_stream_update_properties(struct pw_stream *stream, const struct spa_dict *dict)
Definition: stream.c:1578
the output stream will not be scheduled automatically but _trigger_process() needs to be called...
Definition: stream.h:280
float def
default value
Definition: stream.h:191
start the stream inactive, pw_stream_set_active() needs to be called explicitly
Definition: stream.h:264
bool pw_stream_is_driving(struct pw_stream *stream)
Check if the stream is driving.
Definition: stream.c:2187
int pw_stream_set_active(struct pw_stream *stream, bool active)
Activate or deactivate the stream.
Definition: stream.c:2041
pw_stream_state
The state of a stream.
Definition: stream.h:173
don't convert format
Definition: stream.h:272
void(* destroy)(void *data)
Definition: stream.h:222
int pw_stream_set_error(struct pw_stream *stream, int res, const char *error,...) 1(3
Set the stream in error state.
A Buffer.
Definition: buffer.h:105
uint64_t size
This field is set by the user and the sum of all queued buffer is returned in the time info...
Definition: stream.h:184
unconnected
Definition: stream.h:175
enum pw_stream_state pw_stream_get_state(struct pw_stream *stream, const char **error)
Definition: stream.c:1558
const struct pw_stream_control * pw_stream_get_control(struct pw_stream *stream, uint32_t id)
Get control values.
Definition: stream.c:2027
void(* state_changed)(void *data, enum pw_stream_state old, enum pw_stream_state state, const char *error)
when the stream state changes
Definition: stream.h:224
be a driver
Definition: stream.h:268
const char * pw_stream_state_as_string(enum pw_stream_state state)
Convert a stream state to a readable string.
Definition: stream.c:1471
void(* remove_buffer)(void *data, struct pw_buffer *buffer)
when a buffer was destroyed for this stream
Definition: stream.h:238
void(* param_changed)(void *data, uint32_t id, const struct spa_pod *param)
when a parameter changed
Definition: stream.h:233
float max
max value
Definition: stream.h:193
int pw_stream_connect(struct pw_stream *stream, enum pw_direction direction, uint32_t target_id, enum pw_stream_flags flags, const struct spa_pod **params, uint32_t n_params)
Connect a stream for input or output on port_path.
Definition: stream.c:1673
int pw_stream_disconnect(struct pw_stream *stream)
Disconnect stream.
Definition: stream.c:1899
void(* drained)(void *data)
The stream is drained.
Definition: stream.h:247
int64_t delay
delay to device, add to ticks to get the time of the device.
Definition: stream.h:205
struct spa_buffer * buffer
the spa buffer
Definition: stream.h:182
void(* trigger_done)(void *data)
a trigger_process completed.
Definition: stream.h:253
int int pw_stream_update_params(struct pw_stream *stream, const struct spa_pod **params, uint32_t n_params)
Complete the negotiation process with result code res.
Definition: stream.c:1957
void(* control_info)(void *data, uint32_t id, const struct pw_stream_control *control)
Notify information about a control.
Definition: stream.h:228
no flags
Definition: stream.h:261
require exclusive access to the device
Definition: stream.h:273
void(* process)(void *data)
when a buffer can be queued (for playback streams) or dequeued (for capture streams).
Definition: stream.h:244
mmap the buffers except DmaBuf
Definition: stream.h:267
struct pw_stream * pw_stream_new(struct pw_core *core, const char *name, struct pw_properties *props)
Create a new unconneced Stream.
Definition: stream.c:1405
uint32_t flags
extra flags (unused)
Definition: stream.h:190
uint32_t flags
extra flags
Definition: properties.h:55
const struct pw_properties * pw_stream_get_properties(struct pw_stream *stream)
Definition: stream.c:1572
uint32_t version
Definition: stream.h:220
pw_stream_flags
Extra flags that can be used in pw_stream_connect()
Definition: stream.h:260
struct pw_stream * pw_stream_new_simple(struct pw_loop *loop, const char *name, struct pw_properties *props, const struct pw_stream_events *events, void *data)
Definition: stream.c:1427
uint32_t max_values
max values that can be set on this control
Definition: stream.h:196
float min
min value
Definition: stream.h:192
struct pw_buffer * pw_stream_dequeue_buffer(struct pw_stream *stream)
Get a buffer that can be filled for playback streams or consumed for capture streams.
Definition: stream.c:2094
void(* io_changed)(void *data, uint32_t id, void *area, uint32_t size)
when io changed on the stream.
Definition: stream.h:231
streaming
Definition: stream.h:178
void * user_data
user data attached to the buffer
Definition: stream.h:183
uint32_t pw_stream_get_node_id(struct pw_stream *stream)
Get the node ID of the stream.
Definition: stream.c:1893
#define SPA_PRINTF_FUNC(fmt, arg1)
Definition: defs.h:260
int pw_stream_queue_buffer(struct pw_stream *stream, struct pw_buffer *buffer)
Submit a buffer for playback or recycle a buffer for capture.
Definition: stream.c:2121
struct pw_core * pw_stream_get_core(struct pw_stream *stream)
Definition: stream.c:1595
int pw_stream_set_control(struct pw_stream *stream, uint32_t id, uint32_t n_values, float *values,...)
Set control values.
Definition: stream.c:1975