PipeWire 1.2.6
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Go to the source code of this file.
Data Structures | |
struct | pw_filter_events |
Events for a filter. More... | |
Macros | |
#define | PW_VERSION_FILTER_EVENTS 1 |
Enumerations | |
enum | pw_filter_state { PW_FILTER_STATE_ERROR = -1 , PW_FILTER_STATE_UNCONNECTED = 0 , PW_FILTER_STATE_CONNECTING = 1 , PW_FILTER_STATE_PAUSED = 2 , PW_FILTER_STATE_STREAMING = 3 } |
The state of a filter More... | |
enum | pw_filter_flags { PW_FILTER_FLAG_NONE = 0 , PW_FILTER_FLAG_INACTIVE = (1 << 0) , PW_FILTER_FLAG_DRIVER = (1 << 1) , PW_FILTER_FLAG_RT_PROCESS = (1 << 2) , PW_FILTER_FLAG_CUSTOM_LATENCY = (1 << 3) , PW_FILTER_FLAG_TRIGGER = (1 << 4) , PW_FILTER_FLAG_ASYNC = (1 << 5) } |
Extra flags that can be used in pw_filter_connect() More... | |
enum | pw_filter_port_flags { PW_FILTER_PORT_FLAG_NONE = 0 , PW_FILTER_PORT_FLAG_MAP_BUFFERS = (1 << 0) , PW_FILTER_PORT_FLAG_ALLOC_BUFFERS = (1 << 1) } |
Functions | |
const char * | pw_filter_state_as_string (enum pw_filter_state state) |
Convert a filter state to a readable string | |
struct pw_filter * | pw_filter_new (struct pw_core *core, const char *name, struct pw_properties *props) |
Create a new unconnected Filter. | |
struct pw_filter * | pw_filter_new_simple (struct pw_loop *loop, const char *name, struct pw_properties *props, const struct pw_filter_events *events, void *data) |
void | pw_filter_destroy (struct pw_filter *filter) |
Destroy a filter | |
void | pw_filter_add_listener (struct pw_filter *filter, struct spa_hook *listener, const struct pw_filter_events *events, void *data) |
enum pw_filter_state | pw_filter_get_state (struct pw_filter *filter, const char **error) |
const char * | pw_filter_get_name (struct pw_filter *filter) |
struct pw_core * | pw_filter_get_core (struct pw_filter *filter) |
int | pw_filter_connect (struct pw_filter *filter, enum pw_filter_flags flags, const struct spa_pod **params, uint32_t n_params) |
Connect a filter for processing. | |
uint32_t | pw_filter_get_node_id (struct pw_filter *filter) |
Get the node ID of the filter. | |
int | pw_filter_disconnect (struct pw_filter *filter) |
Disconnect filter | |
void * | pw_filter_add_port (struct pw_filter *filter, enum pw_direction direction, enum pw_filter_port_flags flags, size_t port_data_size, struct pw_properties *props, const struct spa_pod **params, uint32_t n_params) |
add a port to the filter, returns user data of port_data_size. | |
int | pw_filter_remove_port (void *port_data) |
remove a port from the filter | |
const struct pw_properties * | pw_filter_get_properties (struct pw_filter *filter, void *port_data) |
get properties, port_data of NULL will give global properties | |
int | pw_filter_update_properties (struct pw_filter *filter, void *port_data, const struct spa_dict *dict) |
Update properties, use NULL port_data for global filter properties. | |
int | pw_filter_set_error (struct pw_filter *filter, int res, const char *error,...) |
Set the filter in error state. | |
int | pw_filter_update_params (struct pw_filter *filter, void *port_data, const struct spa_pod **params, uint32_t n_params) |
Update params, use NULL port_data for global filter params. | |
int | pw_filter_get_time (struct pw_filter *filter, struct pw_time *time) |
Query the time on the filter, deprecated, use the spa_io_position in the process() method for timing information. | |
uint64_t | pw_filter_get_nsec (struct pw_filter *filter) |
Get the current time in nanoseconds. | |
struct pw_loop * | pw_filter_get_data_loop (struct pw_filter *filter) |
Get the data loop that is doing the processing of this filter. | |
struct pw_buffer * | pw_filter_dequeue_buffer (void *port_data) |
Get a buffer that can be filled for output ports or consumed for input ports. | |
int | pw_filter_queue_buffer (void *port_data, struct pw_buffer *buffer) |
Submit a buffer for playback or recycle a buffer for capture. | |
void * | pw_filter_get_dsp_buffer (void *port_data, uint32_t n_samples) |
Get a data pointer to the buffer data. | |
int | pw_filter_set_active (struct pw_filter *filter, bool active) |
Activate or deactivate the filter | |
int | pw_filter_flush (struct pw_filter *filter, bool drain) |
Flush a filter. | |
bool | pw_filter_is_driving (struct pw_filter *filter) |
Check if the filter is driving. | |
bool | pw_filter_is_lazy (struct pw_filter *filter) |
Check if the graph is using lazy scheduling. | |
int | pw_filter_trigger_process (struct pw_filter *filter) |
Trigger a push/pull on the filter. | |