PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
- by the Free Software Foundation; either version 2 of the License,
+ by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
PA_SINK_INPUT_RUNNING, /*< The stream is alive and kicking */
PA_SINK_INPUT_CORKED, /*< The stream was corked on user request */
PA_SINK_INPUT_UNLINKED /*< The stream is dead */
+ /* FIXME: we need a state for MOVING here */
} pa_sink_input_state_t;
static inline pa_bool_t PA_SINK_INPUT_IS_LINKED(pa_sink_input_state_t x) {
PA_SINK_INPUT_FIX_RATE = 64,
PA_SINK_INPUT_FIX_CHANNELS = 128,
PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND = 256,
+ PA_SINK_INPUT_NO_CREATE_ON_SUSPEND = 512,
+ PA_SINK_INPUT_KILL_ON_SUSPEND = 1024
} pa_sink_input_flags_t;
struct pa_sink_input {
pa_sink_input *sync_prev, *sync_next;
- pa_cvolume virtual_volume;
+ /* Also see http://pulseaudio.org/wiki/InternalVolumes */
+ pa_cvolume volume; /* The volume clients are informed about */
+ pa_cvolume reference_ratio; /* The ratio of the stream's volume to the sink's reference volume */
+ pa_cvolume real_ratio; /* The ratio of the stream's volume to the sink's real volume */
+ pa_cvolume volume_factor; /* An internally used volume factor that can be used by modules to apply effects and suchlike without having that visible to the outside */
+ pa_cvolume soft_volume; /* The internal software volume we apply to all PCM data while it passes through. Usually calculated as real_ratio * volume_factor */
- pa_cvolume volume;
- pa_bool_t muted;
+ pa_cvolume volume_factor_sink; /* A second volume factor in format of the sink this stream is connected to */
+
+ pa_bool_t muted:1;
+
+ /* if TRUE then the source we are connected to and/or the volume
+ * set is worth remembering, i.e. was explicitly chosen by the
+ * user and not automatically. module-stream-restore looks for
+ * this.*/
+ pa_bool_t save_sink:1, save_volume:1, save_muted:1;
pa_resample_method_t requested_resample_method, actual_resample_method;
* changes. Called from IO context. */
void (*update_max_rewind) (pa_sink_input *i, size_t nbytes); /* may be NULL */
- /* Called whenever the maxiumum request size of the sink
+ /* Called whenever the maximum request size of the sink
* changes. Called from IO context. */
void (*update_max_request) (pa_sink_input *i, size_t nbytes); /* may be NULL */
* from IO context. */
void (*update_sink_latency_range) (pa_sink_input *i); /* may be NULL */
+ /* Called whenver the fixed latency of the sink changes, if there
+ * is one. Called from IO context. */
+ void (*update_sink_fixed_latency) (pa_sink_input *i); /* may be NULL */
+
/* If non-NULL this function is called when the input is first
* connected to a sink or when the rtpoll/asyncmsgq fields
* change. You usually don't need to implement this function
* disconnected from its sink. Called from IO thread context */
void (*detach) (pa_sink_input *i); /* may be NULL */
- /* If non-NULL called whenever the the sink this input is attached
+ /* If non-NULL called whenever the sink this input is attached
* to suspends or resumes. Called from main context */
void (*suspend) (pa_sink_input *i, pa_bool_t b); /* may be NULL */
- /* If non-NULL called whenever the the sink this input is attached
- * to changes. Called from main context */
- void (*moved) (pa_sink_input *i); /* may be NULL */
+ /* If non-NULL called whenever the sink this input is attached
+ * to suspends or resumes. Called from IO context */
+ void (*suspend_within_thread) (pa_sink_input *i, pa_bool_t b); /* may be NULL */
+
+ /* If non-NULL called whenever the sink input is moved to a new
+ * sink. Called from main context after the sink input has been
+ * detached from the old sink and before it has been attached to
+ * the new sink. If dest is NULL the move was executed in two
+ * phases and the second one failed; the stream will be destroyed
+ * after this call. */
+ void (*moving) (pa_sink_input *i, pa_sink *dest); /* may be NULL */
/* Supposed to unlink and destroy this stream. Called from main
* context. */
* be allowed */
pa_bool_t (*may_move_to) (pa_sink_input *i, pa_sink *s); /* may be NULL */
+ /* If non-NULL this function is used to dispatch asynchronous
+ * control events. Called from main context. */
+ void (*send_event)(pa_sink_input *i, const char *event, pa_proplist* data); /* may be NULL */
+
+ /* If non-NULL this function is called whenever the sink input
+ * volume changes. Called from main context */
+ void (*volume_changed)(pa_sink_input *i); /* may be NULL */
+
+ /* If non-NULL this function is called whenever the sink input
+ * mute status changes. Called from main context */
+ void (*mute_changed)(pa_sink_input *i); /* may be NULL */
+
struct {
pa_sink_input_state_t state;
pa_atomic_t drained;
- pa_bool_t attached; /* True only between ->attach() and ->detach() calls */
+ pa_cvolume soft_volume;
+ pa_bool_t muted:1;
+
+ pa_bool_t attached:1; /* True only between ->attach() and ->detach() calls */
+
+ /* rewrite_nbytes: 0: rewrite nothing, (size_t) -1: rewrite everything, otherwise how many bytes to rewrite */
+ pa_bool_t rewrite_flush:1, dont_rewind_render:1;
+ size_t rewrite_nbytes;
+ uint64_t underrun_for, playing_for;
pa_sample_spec sample_spec;
/* We maintain a history of resampled audio data here. */
pa_memblockq *render_memblockq;
- /* 0: rewrite nothing, (size_t) -1: rewrite everything, otherwise how many bytes to rewrite */
- size_t rewrite_nbytes;
- pa_bool_t rewrite_flush, dont_rewind_render;
- uint64_t underrun_for, playing_for;
-
pa_sink_input *sync_prev, *sync_next;
- pa_cvolume volume;
- pa_bool_t muted;
-
/* The requested latency for the sink */
pa_usec_t requested_sink_latency;
void *userdata;
};
-PA_DECLARE_CLASS(pa_sink_input);
+PA_DECLARE_PUBLIC_CLASS(pa_sink_input);
#define PA_SINK_INPUT(o) pa_sink_input_cast(o)
enum {
- PA_SINK_INPUT_MESSAGE_SET_VOLUME,
- PA_SINK_INPUT_MESSAGE_SET_MUTE,
+ PA_SINK_INPUT_MESSAGE_SET_SOFT_VOLUME,
+ PA_SINK_INPUT_MESSAGE_SET_SOFT_MUTE,
PA_SINK_INPUT_MESSAGE_GET_LATENCY,
PA_SINK_INPUT_MESSAGE_SET_RATE,
PA_SINK_INPUT_MESSAGE_SET_STATE,
PA_SINK_INPUT_MESSAGE_MAX
};
+typedef struct pa_sink_input_send_event_hook_data {
+ pa_sink_input *sink_input;
+ const char *event;
+ pa_proplist *data;
+} pa_sink_input_send_event_hook_data;
+
typedef struct pa_sink_input_new_data {
+ pa_sink_input_flags_t flags;
+
pa_proplist *proplist;
const char *driver;
pa_sample_spec sample_spec;
pa_channel_map channel_map;
- pa_cvolume virtual_volume;
-
- pa_cvolume volume;
+ pa_cvolume volume, volume_factor, volume_factor_sink;
pa_bool_t muted:1;
pa_bool_t sample_spec_is_set:1;
pa_bool_t channel_map_is_set:1;
- pa_bool_t volume_is_set:1;
+
+ pa_bool_t volume_is_set:1, volume_factor_is_set:1, volume_factor_sink_is_set:1;
pa_bool_t muted_is_set:1;
+
+ pa_bool_t volume_is_absolute:1;
+
+ pa_bool_t save_sink:1, save_volume:1, save_muted:1;
} pa_sink_input_new_data;
pa_sink_input_new_data* pa_sink_input_new_data_init(pa_sink_input_new_data *data);
void pa_sink_input_new_data_set_sample_spec(pa_sink_input_new_data *data, const pa_sample_spec *spec);
void pa_sink_input_new_data_set_channel_map(pa_sink_input_new_data *data, const pa_channel_map *map);
void pa_sink_input_new_data_set_volume(pa_sink_input_new_data *data, const pa_cvolume *volume);
+void pa_sink_input_new_data_apply_volume_factor(pa_sink_input_new_data *data, const pa_cvolume *volume_factor);
+void pa_sink_input_new_data_apply_volume_factor_sink(pa_sink_input_new_data *data, const pa_cvolume *volume_factor);
void pa_sink_input_new_data_set_muted(pa_sink_input_new_data *data, pa_bool_t mute);
void pa_sink_input_new_data_done(pa_sink_input_new_data *data);
-typedef struct pa_sink_set_input_volume_data {
- pa_sink_input *sink_input;
- pa_cvolume virtual_volume;
- pa_cvolume volume;
-} pa_sink_input_set_volume_data;
-
/* To be called by the implementing module only */
-pa_sink_input* pa_sink_input_new(
+int pa_sink_input_new(
+ pa_sink_input **i,
pa_core *core,
- pa_sink_input_new_data *data,
- pa_sink_input_flags_t flags);
+ pa_sink_input_new_data *data);
void pa_sink_input_put(pa_sink_input *i);
void pa_sink_input_unlink(pa_sink_input* i);
int pa_sink_input_set_rate(pa_sink_input *i, uint32_t rate);
+/* This returns the sink's fields converted into out sample type */
+size_t pa_sink_input_get_max_rewind(pa_sink_input *i);
+size_t pa_sink_input_get_max_request(pa_sink_input *i);
+
/* Callable by everyone from main thread*/
/* External code may request disconnection with this function */
pa_usec_t pa_sink_input_get_latency(pa_sink_input *i, pa_usec_t *sink_latency);
-void pa_sink_input_set_volume(pa_sink_input *i, const pa_cvolume *volume);
-const pa_cvolume *pa_sink_input_get_volume(pa_sink_input *i);
-void pa_sink_input_set_mute(pa_sink_input *i, pa_bool_t mute);
+void pa_sink_input_set_volume(pa_sink_input *i, const pa_cvolume *volume, pa_bool_t save, pa_bool_t absolute);
+pa_cvolume *pa_sink_input_get_volume(pa_sink_input *i, pa_cvolume *volume, pa_bool_t absolute);
+
+void pa_sink_input_set_mute(pa_sink_input *i, pa_bool_t mute, pa_bool_t save);
pa_bool_t pa_sink_input_get_mute(pa_sink_input *i);
-pa_bool_t pa_sink_input_update_proplist(pa_sink_input *i, pa_update_mode_t mode, pa_proplist *p);
+
+void pa_sink_input_update_proplist(pa_sink_input *i, pa_update_mode_t mode, pa_proplist *p);
pa_resample_method_t pa_sink_input_get_resample_method(pa_sink_input *i);
-int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest);
+void pa_sink_input_send_event(pa_sink_input *i, const char *name, pa_proplist *data);
+
+int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest, pa_bool_t save);
pa_bool_t pa_sink_input_may_move(pa_sink_input *i); /* may this sink input move at all? */
pa_bool_t pa_sink_input_may_move_to(pa_sink_input *i, pa_sink *dest); /* may this sink input move to this sink? */
* first the detaching from the old sink, then the attaching to the
* new sink */
int pa_sink_input_start_move(pa_sink_input *i);
-int pa_sink_input_finish_move(pa_sink_input *i, pa_sink *dest);
+int pa_sink_input_finish_move(pa_sink_input *i, pa_sink *dest, pa_bool_t save);
+void pa_sink_input_fail_move(pa_sink_input *i);
pa_sink_input_state_t pa_sink_input_get_state(pa_sink_input *i);
/* To be used exclusively by the sink driver IO thread */
-int pa_sink_input_peek(pa_sink_input *i, size_t length, pa_memchunk *chunk, pa_cvolume *volume);
+void pa_sink_input_peek(pa_sink_input *i, size_t length, pa_memchunk *chunk, pa_cvolume *volume);
void pa_sink_input_drop(pa_sink_input *i, size_t length);
void pa_sink_input_process_rewind(pa_sink_input *i, size_t nbytes /* in the sink's sample spec */);
void pa_sink_input_update_max_rewind(pa_sink_input *i, size_t nbytes /* in the sink's sample spec */);
pa_memchunk* pa_sink_input_get_silence(pa_sink_input *i, pa_memchunk *ret);
+#define pa_sink_input_assert_io_context(s) \
+ pa_assert(pa_thread_mq_get() || !PA_SINK_INPUT_IS_LINKED((s)->state))
+
#endif