From a67c21f093202f142438689d3f7cfbdf4ea82eea Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sun, 28 Oct 2007 19:13:50 +0000 Subject: merge 'lennart' branch back into trunk. git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1971 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/pulsecore/source-output.h | 97 ++++++++++++++++++++++++++++++++++--------- 1 file changed, 78 insertions(+), 19 deletions(-) (limited to 'src/pulsecore/source-output.h') diff --git a/src/pulsecore/source-output.h b/src/pulsecore/source-output.h index 3da6caac..e38a1e5a 100644 --- a/src/pulsecore/source-output.h +++ b/src/pulsecore/source-output.h @@ -1,5 +1,5 @@ -#ifndef foosourceoutputhfoo -#define foosourceoutputhfoo +#ifndef foopulsesourceoutputhfoo +#define foopulsesourceoutputhfoo /* $Id$ */ @@ -35,40 +35,91 @@ typedef struct pa_source_output pa_source_output; #include #include -typedef enum { +typedef enum pa_source_output_state { + PA_SOURCE_OUTPUT_INIT, PA_SOURCE_OUTPUT_RUNNING, PA_SOURCE_OUTPUT_CORKED, - PA_SOURCE_OUTPUT_DISCONNECTED + PA_SOURCE_OUTPUT_UNLINKED } pa_source_output_state_t; +static inline pa_bool_t PA_SOURCE_OUTPUT_LINKED(pa_source_output_state_t x) { + return x == PA_SOURCE_OUTPUT_RUNNING || x == PA_SOURCE_OUTPUT_CORKED; +} + typedef enum pa_source_output_flags { - PA_SOURCE_OUTPUT_NO_HOOKS = 1 + PA_SOURCE_OUTPUT_VARIABLE_RATE = 1, + PA_SOURCE_OUTPUT_DONT_MOVE = 2, + PA_SOURCE_OUTPUT_START_CORKED = 4 } pa_source_output_flags_t; struct pa_source_output { - int ref; + pa_msgobject parent; + 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_module *module; /* may be NULL */ + pa_client *client; /* may be NULL */ pa_source *source; - pa_client *client; /* may be NULL */ pa_sample_spec sample_spec; pa_channel_map channel_map; + /* Pushes a new memchunk into the output. Called from IO thread + * context. */ void (*push)(pa_source_output *o, const pa_memchunk *chunk); + + /* 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 */ + + /* If non-NULL this function is called when the output is + * disconnected from its source. Called from IO thread context */ + void (*detach) (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, int b); /* may be NULL */ + + /* Supposed to unlink and destroy this stream. Called from main + * context. */ void (*kill)(pa_source_output* o); /* may 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. */ pa_usec_t (*get_latency) (pa_source_output *o); /* may be NULL */ - pa_resampler* resampler; /* may be NULL */ pa_resample_method_t resample_method; + struct { + pa_source_output_state_t state; + + pa_bool_t attached; /* True only between ->attach() and ->detach() calls */ + + pa_sample_spec sample_spec; + + pa_resampler* resampler; /* may be NULL */ + } thread_info; + void *userdata; }; +PA_DECLARE_CLASS(pa_source_output); +#define PA_SOURCE_OUTPUT(o) pa_source_output_cast(o) + +enum { + PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY, + PA_SOURCE_OUTPUT_MESSAGE_SET_RATE, + PA_SOURCE_OUTPUT_MESSAGE_SET_STATE, + PA_SOURCE_OUTPUT_MESSAGE_MAX +}; + typedef struct pa_source_output_new_data { const char *name, *driver; pa_module *module; @@ -77,9 +128,9 @@ typedef struct pa_source_output_new_data { pa_source *source; pa_sample_spec sample_spec; - int sample_spec_is_set; + pa_bool_t sample_spec_is_set; pa_channel_map channel_map; - int channel_map_is_set; + pa_bool_t channel_map_is_set; pa_resample_method_t resample_method; } pa_source_output_new_data; @@ -89,30 +140,38 @@ void pa_source_output_new_data_set_sample_spec(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_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( pa_core *core, pa_source_output_new_data *data, pa_source_output_flags_t flags); -void pa_source_output_unref(pa_source_output* o); -pa_source_output* pa_source_output_ref(pa_source_output *o); +void pa_source_output_put(pa_source_output *o); +void pa_source_output_unlink(pa_source_output*o); -/* To be called by the implementing module only */ -void pa_source_output_disconnect(pa_source_output*o); +void pa_source_output_set_name(pa_source_output *i, const char *name); + +/* Callable by everyone */ /* External code may request disconnection with this funcion */ void pa_source_output_kill(pa_source_output*o); -void pa_source_output_push(pa_source_output *o, const pa_memchunk *chunk); - -void pa_source_output_set_name(pa_source_output *i, const char *name); - pa_usec_t pa_source_output_get_latency(pa_source_output *i); -void pa_source_output_cork(pa_source_output *i, int b); +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) + +/* To be used exclusively by the source driver thread */ + +void pa_source_output_push(pa_source_output *o, const pa_memchunk *chunk); +int pa_source_output_process_msg(pa_msgobject *mo, int code, void *userdata, int64_t offset, pa_memchunk *chunk); + #endif -- cgit