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Lots of assorted minor cleanups and fixes:

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* s/disconnect/unlink/ at many places where it makes sense
* make "start_corked" a normal pa_sink_input/pa_source_output flag instead of a seperate boolean variable
* add generic process() function to pa_sink_input/pa_source_output vtable that can be used by streams to do some arbitrary processing in each rt loop iteration even the sink/source is suspended
* add detach()/attach() functions to pa_sink_input/pa_source_output vtable that are called when ever the rtpoll object of the event thread changes
* add suspend() functions to pa_sink_input/pa_source_output vtable which are called whenever the sink/source they are attached to suspends/resumes
* add PA_SINK_INIT/PA_SOURCE_INIT/PA_SINK_INPUT_INIT/PA_SINK_OUTPUT_INIT states to state machines which is active between _new() and _put()
* seperate _put() from _new() for pa_sink/pa_source
* add PA_SOURCE_OUTPUT_DONT_MOVE/PA_SINK_INPUT_DONT_MOVE flags
* make the pa_rtpoll object a property of pa_sink/pa_source to allow streams attached to them make use of it
* fix skipping over move_silence
* update module-pipe-source to make use of pa_rtpoll
* add pa_sink_skip() as optimization in cases where the actualy data returned by pa_sink_render() doesn't matter


git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1733 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-08-30 22:57:53 +00:00
parent b552541dd1
commit 4d623f0d44
26 changed files with 708 additions and 378 deletions
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40
src/pulsecore/source.h
View file

@ -42,26 +42,36 @@ typedef struct pa_source pa_source;
#include <pulsecore/module.h>
#include <pulsecore/asyncmsgq.h>
#include <pulsecore/msgobject.h>
#include <pulsecore/rtpoll.h>
#define PA_MAX_OUTPUTS_PER_SOURCE 32
typedef enum pa_source_state {
PA_SOURCE_INIT,
PA_SOURCE_RUNNING,
PA_SOURCE_SUSPENDED,
PA_SOURCE_IDLE,
PA_SOURCE_DISCONNECTED
PA_SOURCE_UNLINKED
} pa_source_state_t;
static inline int PA_SOURCE_OPENED(pa_source_state_t x) {
return x == PA_SOURCE_RUNNING || x == PA_SOURCE_IDLE;
}
static inline int PA_SOURCE_LINKED(pa_source_state_t x) {
return x == PA_SOURCE_RUNNING || x == PA_SOURCE_IDLE || x == PA_SOURCE_SUSPENDED;
}
struct pa_source {
pa_msgobject parent;
uint32_t index;
pa_core *core;
pa_source_state_t state;
pa_source_flags_t flags;
char *name;
char *description, *driver; /* may be NULL */
int is_hardware;
pa_module *module; /* may be NULL */
@ -76,7 +86,7 @@ struct pa_source {
int refresh_volume;
int refresh_muted;
int (*set_state)(pa_source*source, pa_source_state_t state); /* may be NULL */
int (*set_state)(pa_source*source, pa_source_state_t state); /* may be NULL */
int (*set_volume)(pa_source *s); /* dito */
int (*get_volume)(pa_source *s); /* dito */
int (*set_mute)(pa_source *s); /* dito */
@ -84,7 +94,10 @@ struct pa_source {
pa_usec_t (*get_latency)(pa_source *s); /* dito */
pa_asyncmsgq *asyncmsgq;
pa_rtpoll *rtpoll;
/* Contains copies of the above data so that the real-time worker
* thread can work without access locking */
struct {
pa_source_state_t state;
pa_hashmap *outputs;
@ -111,7 +124,7 @@ typedef enum pa_source_message {
PA_SOURCE_MESSAGE_MAX
} pa_source_message_t;
/* To be used exclusively by the source driver */
/* To be called exclusively by the source driver, from main context */
pa_source* pa_source_new(
pa_core *core,
@ -121,18 +134,22 @@ pa_source* pa_source_new(
const pa_sample_spec *spec,
const pa_channel_map *map);
void pa_source_disconnect(pa_source *s);
void pa_source_put(pa_source *s);
void pa_source_unlink(pa_source *s);
void pa_source_set_module(pa_source *s, pa_module *m);
void pa_source_set_description(pa_source *s, const char *description);
void pa_source_set_asyncmsgq(pa_source *s, pa_asyncmsgq *q);
void pa_source_set_rtpoll(pa_source *s, pa_rtpoll *p);
/* Callable by everyone */
/* May be called by everyone, from main context */
pa_usec_t pa_source_get_latency(pa_source *s);
int pa_source_update_status(pa_source*s);
int pa_source_suspend(pa_source *s, int suspend);
int pa_source_suspend_all(pa_core *c, int suspend);
void pa_source_ping(pa_source *s);
void pa_source_set_volume(pa_source *source, const pa_cvolume *volume);
@ -143,15 +160,12 @@ int pa_source_get_mute(pa_source *source);
unsigned pa_source_used_by(pa_source *s);
#define pa_source_get_state(s) ((pa_source_state_t) (s)->state)
/* To be used exclusively by the source driver thread */
/* To be called exclusively by the source driver, from IO context */
void pa_source_post(pa_source*s, const pa_memchunk *b);
int pa_source_process_outputs(pa_source *o);
int pa_source_process_msg(pa_msgobject *o, int code, void *userdata, int64_t, pa_memchunk *chunk);
static inline int PA_SOURCE_OPENED(pa_source_state_t x) {
return x == PA_SOURCE_RUNNING || x == PA_SOURCE_IDLE;
}
int pa_source_suspend_all(pa_core *c, int suspend);
#endif