#ifndef foopulsesourceoutputhfoo
#define foopulsesourceoutputhfoo
-/* $Id$ */
-
/***
This file is part of PulseAudio.
PA_SOURCE_OUTPUT_NO_REMIX = 16,
PA_SOURCE_OUTPUT_FIX_FORMAT = 32,
PA_SOURCE_OUTPUT_FIX_RATE = 64,
- PA_SOURCE_OUTPUT_FIX_CHANNELS = 128
+ PA_SOURCE_OUTPUT_FIX_CHANNELS = 128,
+ PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND = 256
} pa_source_output_flags_t;
struct pa_source_output {
pa_source_output_state_t state;
pa_source_output_flags_t flags;
- pa_proplist *proplist;
char *driver; /* may be NULL */
+ pa_proplist *proplist;
+
pa_module *module; /* may be NULL */
pa_client *client; /* may be NULL */
- pa_source *source;
+ pa_source *source; /* NULL while being moved */
/* A source output can monitor just a single input of a sink, in which case we find it here */
pa_sink_input *direct_on_input; /* may be NULL */
/* Pushes a new memchunk into the output. Called from IO thread
* context. */
- void (*push)(pa_source_output *o, const pa_memchunk *chunk);
+ void (*push)(pa_source_output *o, const pa_memchunk *chunk); /* may NOT be NULL */
/* Only relevant for monitor sources right now: called when the
- * recorded stream is rewound. Called from IO context*/
- void (*process_rewind)(pa_source_output *o, size_t nbytes);
+ * recorded stream is rewound. Called from IO context */
+ void (*process_rewind)(pa_source_output *o, size_t nbytes); /* may be NULL */
/* Called whenever the maximum rewindable size of the source
* changes. Called from IO thread context. */
void (*update_max_rewind) (pa_source_output *o, size_t nbytes); /* may be NULL */
+ /* Called whenever the configured latency of the source
+ * changes. Called from IO context. */
+ void (*update_source_requested_latency) (pa_source_output *o); /* may be NULL */
+
+ /* Called whenver the latency range of the source changes. Called
+ * from IO context. */
+ void (*update_source_latency_range) (pa_source_output *o); /* may be NULL */
+
/* If non-NULL this function is called when the output is first
* connected to a source. Called from IO thread context */
void (*attach) (pa_source_output *o); /* may be NULL */
/* Supposed to unlink and destroy this stream. Called from main
* context. */
- void (*kill)(pa_source_output* o); /* may be NULL */
+ void (*kill)(pa_source_output* o); /* may NOT be NULL */
/* Return the current latency (i.e. length of bufferd audio) of
- this stream. Called from main context. If NULL a
- PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY message is sent to the IO
- thread instead. */
+ this stream. Called from main context. This is added to what the
+ PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY message sent to the IO thread
+ returns */
pa_usec_t (*get_latency) (pa_source_output *o); /* may be NULL */
- /* If non_NULL this function is called from thread context if the
+ /* If non-NULL this function is called from thread context if the
* state changes. The old state is found in thread_info.state. */
void (*state_change) (pa_source_output *o, pa_source_output_state_t state); /* may be NULL */
+ /* If non-NULL this function is called before this source output
+ * is moved to a source and if it returns FALSE the move
+ * will not be allowed */
+ pa_bool_t (*may_move_to) (pa_source_output *o, pa_source *s); /* may be NULL */
+
struct {
pa_source_output_state_t state;
pa_source *source;
+ pa_resample_method_t resample_method;
+
pa_sample_spec sample_spec;
- pa_bool_t sample_spec_is_set;
pa_channel_map channel_map;
- pa_bool_t channel_map_is_set;
- pa_resample_method_t resample_method;
+ pa_bool_t sample_spec_is_set:1;
+ pa_bool_t channel_map_is_set:1;
} pa_source_output_new_data;
pa_source_output_new_data* pa_source_output_new_data_init(pa_source_output_new_data *data);
void pa_source_output_new_data_set_channel_map(pa_source_output_new_data *data, const pa_channel_map *map);
void pa_source_output_new_data_done(pa_source_output_new_data *data);
-typedef struct pa_source_output_move_hook_data {
- pa_source_output *source_output;
- pa_source *destination;
-} pa_source_output_move_hook_data;
-
/* To be called by the implementing module only */
pa_source_output* pa_source_output_new(
void pa_source_output_put(pa_source_output *o);
void pa_source_output_unlink(pa_source_output*o);
-void pa_source_output_set_name(pa_source_output *i, const char *name);
+void pa_source_output_set_name(pa_source_output *o, const char *name);
-pa_usec_t pa_source_output_set_requested_latency(pa_source_output *i, pa_usec_t usec);
+pa_usec_t pa_source_output_set_requested_latency(pa_source_output *o, pa_usec_t usec);
-void pa_source_output_cork(pa_source_output *i, pa_bool_t b);
+void pa_source_output_cork(pa_source_output *o, pa_bool_t b);
int pa_source_output_set_rate(pa_source_output *o, uint32_t rate);
/* External code may request disconnection with this funcion */
void pa_source_output_kill(pa_source_output*o);
-pa_usec_t pa_source_output_get_latency(pa_source_output *i);
+pa_usec_t pa_source_output_get_latency(pa_source_output *o, pa_usec_t *source_latency);
+
+pa_bool_t pa_source_output_update_proplist(pa_source_output *o, pa_update_mode_t mode, pa_proplist *p);
pa_resample_method_t pa_source_output_get_resample_method(pa_source_output *o);
+pa_bool_t pa_source_output_may_move(pa_source_output *o);
+pa_bool_t pa_source_output_may_move_to(pa_source_output *o, pa_source *dest);
int pa_source_output_move_to(pa_source_output *o, pa_source *dest);
+/* The same as pa_source_output_move_to() but in two seperate steps,
+ * first the detaching from the old source, then the attaching to the
+ * new source */
+int pa_source_output_start_move(pa_source_output *o);
+int pa_source_output_finish_move(pa_source_output *o, pa_source *dest);
+
#define pa_source_output_get_state(o) ((o)->state)
pa_usec_t pa_source_output_get_requested_latency(pa_source_output *o);