25 #ifndef PIPEWIRE_STREAM_H 26 #define PIPEWIRE_STREAM_H 212 #define PW_VERSION_STREAM_EVENTS 0 224 void (*io_changed) (
void *data, uint32_t id,
void *area, uint32_t
size);
226 void (*param_changed) (
void *data, uint32_t id,
const struct spa_pod *
param);
237 void (*process) (
void *data);
240 void (*drained) (
void *data);
346 int pw_stream_set_control(struct pw_stream *stream, uint32_t
id, uint32_t n_values,
float *values, ...);
void pw_stream_destroy(struct pw_stream *stream)
Destroy a stream.
Definition: stream.c:1419
#define pw_direction
The direction of a port.
Definition: port.h:56
uint64_t ticks
the ticks at now.
Definition: stream.h:197
Definition: properties.h:49
the stream is in error
Definition: stream.h:168
uint32_t n_values
number of values in array
Definition: stream.h:189
the application will allocate buffer memory.
Definition: stream.h:264
float * values
array of values
Definition: stream.h:188
const char * name
name of the control
Definition: stream.h:183
int64_t now
the monotonic time in nanoseconds
Definition: stream.h:195
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:295
Definition: src/pipewire/loop.h:47
A time structure.
Definition: stream.h:194
struct spa_dict dict
dictionary of key/values
Definition: properties.h:50
int pw_stream_flush(struct pw_stream *stream, bool drain)
Flush a stream.
Definition: stream.c:2097
Events for a stream.
Definition: stream.h:211
call process from the realtime thread.
Definition: stream.h:256
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:202
don't try to reconnect this stream when the sink/source is removed
Definition: stream.h:262
int pw_stream_trigger_process(struct pw_stream *stream)
Trigger a push/pull on the stream.
Definition: stream.c:2132
connection is in progress
Definition: stream.h:170
void pw_stream_add_listener(struct pw_stream *stream, struct spa_hook *listener, const struct pw_stream_events *events, void *data)
Definition: stream.c:1472
const char * pw_stream_get_name(struct pw_stream *stream)
Definition: stream.c:1495
Definition: utils/dict.h:48
#define SPA_PRINTF_FUNC(fmt, arg1)
Definition: defs.h:205
try to automatically connect this stream
Definition: stream.h:249
int pw_stream_get_time(struct pw_stream *stream, struct pw_time *time)
Query the time on the stream.
Definition: stream.c:1976
paused
Definition: stream.h:171
int pw_stream_update_properties(struct pw_stream *stream, const struct spa_dict *dict)
Definition: stream.c:1507
float def
default value
Definition: stream.h:185
start the stream inactive, pw_stream_set_active() needs to be called explicitly
Definition: stream.h:251
bool pw_stream_is_driving(struct pw_stream *stream)
Check if the stream is driving.
Definition: stream.c:2109
int pw_stream_set_active(struct pw_stream *stream, bool active)
Activate or deactivate the stream.
Definition: stream.c:1966
pw_stream_state
The state of a stream.
Definition: stream.h:167
don't convert format
Definition: stream.h:259
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/buffer.h:93
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:178
unconnected
Definition: stream.h:169
enum pw_stream_state pw_stream_get_state(struct pw_stream *stream, const char **error)
Definition: stream.c:1487
be a driver
Definition: stream.h:255
const char * pw_stream_state_as_string(enum pw_stream_state state)
Convert a stream state to a readable string.
Definition: stream.c:1401
float max
max value
Definition: stream.h:187
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:1602
int pw_stream_disconnect(struct pw_stream *stream)
Disconnect stream.
Definition: stream.c:1824
int64_t delay
delay to device, add to ticks to get the time of the device.
Definition: stream.h:199
struct spa_buffer * buffer
the spa buffer
Definition: stream.h:176
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:1882
no flags
Definition: stream.h:248
require exclusive access to the device
Definition: stream.h:260
mmap the buffers except DmaBuf
Definition: stream.h:254
struct pw_stream * pw_stream_new(struct pw_core *core, const char *name, struct pw_properties *props)
Create a new unconneced Stream Object.
Definition: stream.c:1335
uint32_t flags
extra flags (unused)
Definition: stream.h:184
uint32_t flags
extra flags
Definition: properties.h:51
const struct pw_properties * pw_stream_get_properties(struct pw_stream *stream)
Definition: stream.c:1501
uint32_t version
Definition: stream.h:213
pw_stream_flags
Extra flags that can be used in pw_stream_connect()
Definition: stream.h:247
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:1357
uint32_t max_values
max values that can be set on this control
Definition: stream.h:190
float min
min value
Definition: stream.h:186
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:2016
streaming
Definition: stream.h:172
void * user_data
user data attached to the buffer
Definition: stream.h:177
uint32_t pw_stream_get_node_id(struct pw_stream *stream)
Get the node ID of the stream.
Definition: stream.c:1818
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:2043
user data to add to an object
Definition: filter.c:75
struct pw_core * pw_stream_get_core(struct pw_stream *stream)
Definition: stream.c:1524
int pw_stream_set_control(struct pw_stream *stream, uint32_t id, uint32_t n_values, float *values,...)
Set control values.
Definition: stream.c:1900