summaryrefslogtreecommitdiffstats
path: root/src/pulsecore/source-output.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/pulsecore/source-output.h')
-rw-r--r--src/pulsecore/source-output.h70
1 files changed, 53 insertions, 17 deletions
diff --git a/src/pulsecore/source-output.h b/src/pulsecore/source-output.h
index d6da8d00..2dadb5c4 100644
--- a/src/pulsecore/source-output.h
+++ b/src/pulsecore/source-output.h
@@ -42,7 +42,7 @@ typedef enum pa_source_output_state {
PA_SOURCE_OUTPUT_UNLINKED
} pa_source_output_state_t;
-static inline pa_bool_t PA_SOURCE_OUTPUT_LINKED(pa_source_output_state_t x) {
+static inline pa_bool_t PA_SOURCE_OUTPUT_IS_LINKED(pa_source_output_state_t x) {
return x == PA_SOURCE_OUTPUT_RUNNING || x == PA_SOURCE_OUTPUT_CORKED;
}
@@ -62,10 +62,12 @@ struct pa_source_output {
uint32_t index;
pa_core *core;
+
pa_source_output_state_t state;
pa_source_output_flags_t flags;
- char *name, *driver; /* may be NULL */
+ pa_proplist *proplist;
+ char *driver; /* may be NULL */
pa_module *module; /* may be NULL */
pa_client *client; /* may be NULL */
@@ -74,10 +76,20 @@ struct pa_source_output {
pa_sample_spec sample_spec;
pa_channel_map channel_map;
+ pa_resample_method_t resample_method;
+
/* Pushes a new memchunk into the output. Called from IO thread
* context. */
void (*push)(pa_source_output *o, const pa_memchunk *chunk);
+ /* 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);
+
+ /* 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 */
+
/* 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 */
@@ -87,13 +99,13 @@ struct pa_source_output {
void (*detach) (pa_source_output *o); /* may be NULL */
/* If non-NULL called whenever the the source this output is attached
- * to changes. Called from main context */
- void (*moved) (pa_source_output *o); /* may be NULL */
-
- /* If non-NULL called whenever the the source this output is attached
* to suspends or resumes. Called from main context */
void (*suspend) (pa_source_output *o, pa_bool_t b); /* may be NULL */
+ /* If non-NULL called whenever the the source this output is attached
+ * to changes. Called from main context */
+ void (*moved) (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 */
@@ -104,7 +116,9 @@ struct pa_source_output {
thread instead. */
pa_usec_t (*get_latency) (pa_source_output *o); /* may be NULL */
- pa_resample_method_t resample_method;
+ /* 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 */
struct {
pa_source_output_state_t state;
@@ -114,6 +128,13 @@ struct pa_source_output {
pa_sample_spec sample_spec;
pa_resampler* resampler; /* may be NULL */
+
+ /* We maintain a delay memblockq here for source outputs that
+ * don't implement rewind() */
+ pa_memblockq *delay_memblockq;
+
+ /* The requested latency for the source */
+ pa_usec_t requested_source_latency;
} thread_info;
void *userdata;
@@ -126,11 +147,15 @@ enum {
PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY,
PA_SOURCE_OUTPUT_MESSAGE_SET_RATE,
PA_SOURCE_OUTPUT_MESSAGE_SET_STATE,
+ PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY,
+ PA_SOURCE_OUTPUT_MESSAGE_GET_REQUESTED_LATENCY,
PA_SOURCE_OUTPUT_MESSAGE_MAX
};
typedef struct pa_source_output_new_data {
- const char *name, *driver;
+ pa_proplist *proplist;
+
+ const char *driver;
pa_module *module;
pa_client *client;
@@ -144,16 +169,16 @@ typedef struct pa_source_output_new_data {
pa_resample_method_t resample_method;
} 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_sample_spec(pa_source_output_new_data *data, const pa_sample_spec *spec);
+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;
-pa_source_output_new_data* pa_source_output_new_data_init(pa_source_output_new_data *data);
-void pa_source_output_new_data_set_sample_spec(pa_source_output_new_data *data, const pa_sample_spec *spec);
-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_set_volume(pa_source_output_new_data *data, const pa_cvolume *volume);
-
/* To be called by the implementing module only */
pa_source_output* pa_source_output_new(
@@ -166,6 +191,12 @@ void pa_source_output_unlink(pa_source_output*o);
void pa_source_output_set_name(pa_source_output *i, const char *name);
+pa_usec_t pa_source_output_set_requested_latency(pa_source_output *i, pa_usec_t usec);
+
+void pa_source_output_cork(pa_source_output *i, pa_bool_t b);
+
+int pa_source_output_set_rate(pa_source_output *o, uint32_t rate);
+
/* Callable by everyone */
/* External code may request disconnection with this funcion */
@@ -173,19 +204,24 @@ void pa_source_output_kill(pa_source_output*o);
pa_usec_t pa_source_output_get_latency(pa_source_output *i);
-void pa_source_output_cork(pa_source_output *i, pa_bool_t b);
-
-int pa_source_output_set_rate(pa_source_output *o, uint32_t rate);
-
pa_resample_method_t pa_source_output_get_resample_method(pa_source_output *o);
int pa_source_output_move_to(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);
+
/* To be used exclusively by the source driver thread */
void pa_source_output_push(pa_source_output *o, const pa_memchunk *chunk);
+void pa_source_output_process_rewind(pa_source_output *o, size_t nbytes);
+void pa_source_output_update_max_rewind(pa_source_output *o, size_t nbytes);
+
+void pa_source_output_set_state_within_thread(pa_source_output *o, pa_source_output_state_t state);
+
int pa_source_output_process_msg(pa_msgobject *mo, int code, void *userdata, int64_t offset, pa_memchunk *chunk);
+pa_usec_t pa_source_output_set_requested_latency_within_thread(pa_source_output *o, pa_usec_t usec);
+
#endif