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
typedef struct pa_sink_input pa_sink_input;
#include <pulse/sample.h>
-#include <pulsecore/hook-list.h>
+#include <pulse/format.h>
#include <pulsecore/memblockq.h>
#include <pulsecore/resampler.h>
#include <pulsecore/module.h>
#include <pulsecore/core.h>
typedef enum pa_sink_input_state {
- PA_SINK_INPUT_INIT, /*< The stream is not active yet, because pa_sink_put() has not been called yet */
+ PA_SINK_INPUT_INIT, /*< The stream is not active yet, because pa_sink_input_put() has not been called yet */
PA_SINK_INPUT_DRAINED, /*< The stream stopped playing because there was no data to play */
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) {
+static inline bool PA_SINK_INPUT_IS_LINKED(pa_sink_input_state_t x) {
return x == PA_SINK_INPUT_DRAINED || x == PA_SINK_INPUT_RUNNING || x == PA_SINK_INPUT_CORKED;
}
PA_SINK_INPUT_FIX_RATE = 64,
PA_SINK_INPUT_FIX_CHANNELS = 128,
PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND = 256,
- PA_SINK_INPUT_FAIL_ON_SUSPEND = 512
+ PA_SINK_INPUT_NO_CREATE_ON_SUSPEND = 512,
+ PA_SINK_INPUT_KILL_ON_SUSPEND = 1024,
+ PA_SINK_INPUT_PASSTHROUGH = 2048
} pa_sink_input_flags_t;
struct pa_sink_input {
pa_module *module; /* may be NULL */
pa_client *client; /* may be NULL */
- pa_sink *sink; /* NULL while we are being moved */
+ pa_sink *sink; /* NULL while we are being moved */
+ pa_sink *origin_sink; /* only set by filter sinks */
/* A sink input may be connected to multiple source outputs
* directly, so that they don't get mixed data of the entire
pa_sample_spec sample_spec;
pa_channel_map channel_map;
+ pa_format_info *format;
pa_sink_input *sync_prev, *sync_next;
- pa_cvolume virtual_volume, soft_volume, volume_factor;
- pa_bool_t muted:1;
-
- /* if TRUE then the source we are connected to and/or the 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 */
+ /* volume_factor is an internally used "additional volume" that can be used
+ * by modules without having the volume visible to clients. volume_factor
+ * calculated by merging all the individual items in volume_factor_items.
+ * Modules must not modify these variables directly, instead
+ * pa_sink_input_add/remove_volume_factor() have to be used to add and
+ * remove items, or pa_sink_input_new_data_add_volume_factor() during input
+ * creation time. */
+ pa_cvolume volume_factor;
+ pa_hashmap *volume_factor_items;
+ 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_factor_sink; /* A second volume factor in format of the sink this stream is connected to. */
+ pa_hashmap *volume_factor_sink_items;
+
+ bool volume_writable:1;
+
+ bool muted:1;
+
+ /* if true then the sink 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;
+ bool save_sink:1, save_volume:1, save_muted:1;
pa_resample_method_t requested_resample_method, actual_resample_method;
* the full block. */
int (*pop) (pa_sink_input *i, size_t request_nbytes, pa_memchunk *chunk); /* may NOT be NULL */
+ /* This is called when the playback buffer has actually played back
+ all available data. Return true unless there is more data to play back.
+ Called from IO context. */
+ bool (*process_underrun) (pa_sink_input *i);
+
/* Rewind the queue by the specified number of bytes. Called just
* before peek() if it is called at all. Only called if the sink
* input driver ever plans to call
* 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 */
* changes. Called from IO context. */
void (*update_sink_requested_latency) (pa_sink_input *i); /* may be NULL */
- /* Called whenver the latency range of the sink changes. Called
+ /* Called whenever the latency range of the sink changes. Called
* from IO context. */
void (*update_sink_latency_range) (pa_sink_input *i); /* may be NULL */
+ /* Called whenever 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 */
+ void (*suspend) (pa_sink_input *i, bool b); /* 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, bool 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 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. */
void (*kill) (pa_sink_input *i); /* may NOT be NULL */
- /* Return the current latency (i.e. length of bufferd audio) of
+ /* Return the current latency (i.e. length of buffered audio) of
this stream. Called from main context. This is added to what the
PA_SINK_INPUT_MESSAGE_GET_LATENCY message sent to the IO thread
returns */
void (*state_change) (pa_sink_input *i, pa_sink_input_state_t state); /* may be NULL */
/* If non-NULL this function is called before this sink input is
- * move to a sink and if it returns FALSE the move will not
+ * move to a sink and if it returns false the move will not
* be allowed */
- pa_bool_t (*may_move_to) (pa_sink_input *i, pa_sink *s); /* may be NULL */
+ bool (*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_cvolume soft_volume;
- pa_bool_t muted:1;
+ bool muted:1;
- pa_bool_t attached:1; /* True only between ->attach() and ->detach() calls */
+ bool attached:1; /* True only between ->attach() and ->detach() calls */
- /* 0: rewrite nothing, (size_t) -1: rewrite everything, otherwise how many bytes to rewrite */
- pa_bool_t rewrite_flush:1, dont_rewind_render:1;
+ /* rewrite_nbytes: 0: rewrite nothing, (size_t) -1: rewrite everything, otherwise how many bytes to rewrite */
+ bool rewrite_flush:1, dont_rewind_render:1;
size_t rewrite_nbytes;
uint64_t underrun_for, playing_for;
+ uint64_t underrun_for_sink; /* Like underrun_for, but in sink sample spec */
pa_sample_spec sample_spec;
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_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_client *client;
pa_sink *sink;
+ pa_sink *origin_sink;
pa_resample_method_t resample_method;
pa_sample_spec sample_spec;
pa_channel_map channel_map;
+ pa_format_info *format;
+ pa_idxset *req_formats;
+ pa_idxset *nego_formats;
- pa_cvolume volume, volume_factor;
- pa_bool_t muted:1;
+ pa_cvolume volume;
+ bool muted:1;
+ pa_hashmap *volume_factor_items, *volume_factor_sink_items;
- pa_bool_t sample_spec_is_set:1;
- pa_bool_t channel_map_is_set:1;
+ bool sample_spec_is_set:1;
+ bool channel_map_is_set:1;
- pa_bool_t volume_is_set:1, volume_factor_is_set:1;
- pa_bool_t muted_is_set:1;
+ bool volume_is_set:1;
+ bool muted_is_set:1;
- pa_bool_t volume_is_absolute:1;
+ bool volume_is_absolute:1;
- pa_bool_t save_sink:1, save_volume:1, save_muted:1;
+ bool volume_writable:1;
+
+ bool 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);
+bool pa_sink_input_new_data_is_passthrough(pa_sink_input_new_data *data);
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_set_muted(pa_sink_input_new_data *data, pa_bool_t mute);
+void pa_sink_input_new_data_add_volume_factor(pa_sink_input_new_data *data, const char *key, const pa_cvolume *volume_factor);
+void pa_sink_input_new_data_add_volume_factor_sink(pa_sink_input_new_data *data, const char *key, const pa_cvolume *volume_factor);
+void pa_sink_input_new_data_set_muted(pa_sink_input_new_data *data, bool mute);
+bool pa_sink_input_new_data_set_sink(pa_sink_input_new_data *data, pa_sink *s, bool save);
+bool pa_sink_input_new_data_set_formats(pa_sink_input_new_data *data, pa_idxset *formats);
void pa_sink_input_new_data_done(pa_sink_input_new_data *data);
/* To be called by the implementing module only */
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);
sink driver will call ->rewind() and pass the number of bytes that
could be rewound in the HW device. This functionality is required for
implementing the "zero latency" write-through functionality. */
-void pa_sink_input_request_rewind(pa_sink_input *i, size_t nbytes, pa_bool_t rewrite, pa_bool_t flush, pa_bool_t dont_rewind_render);
+void pa_sink_input_request_rewind(pa_sink_input *i, size_t nbytes, bool rewrite, bool flush, bool dont_rewind_render);
-void pa_sink_input_cork(pa_sink_input *i, pa_bool_t b);
+void pa_sink_input_cork(pa_sink_input *i, bool b);
int pa_sink_input_set_rate(pa_sink_input *i, uint32_t rate);
+int pa_sink_input_update_rate(pa_sink_input *i);
+
+/* 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*/
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, pa_bool_t save);
-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, pa_bool_t save);
-pa_bool_t pa_sink_input_get_mute(pa_sink_input *i);
+bool pa_sink_input_is_passthrough(pa_sink_input *i);
+bool pa_sink_input_is_volume_readable(pa_sink_input *i);
+void pa_sink_input_set_volume(pa_sink_input *i, const pa_cvolume *volume, bool save, bool absolute);
+void pa_sink_input_add_volume_factor(pa_sink_input *i, const char *key, const pa_cvolume *volume_factor);
+int pa_sink_input_remove_volume_factor(pa_sink_input *i, const char *key);
+pa_cvolume *pa_sink_input_get_volume(pa_sink_input *i, pa_cvolume *volume, bool absolute);
+
+void pa_sink_input_set_mute(pa_sink_input *i, bool mute, bool save);
+bool pa_sink_input_get_mute(pa_sink_input *i);
+
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, 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? */
+void pa_sink_input_send_event(pa_sink_input *i, const char *name, pa_proplist *data);
-/* The same as pa_sink_input_move_to() but in two seperate steps,
+int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest, bool save);
+bool pa_sink_input_may_move(pa_sink_input *i); /* may this sink input move at all? */
+bool pa_sink_input_may_move_to(pa_sink_input *i, pa_sink *dest); /* may this sink input move to this sink? */
+
+/* The same as pa_sink_input_move_to() but in two separate steps,
* 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, pa_bool_t save);
+int pa_sink_input_finish_move(pa_sink_input *i, pa_sink *dest, bool 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);
pa_usec_t pa_sink_input_set_requested_latency_within_thread(pa_sink_input *i, pa_usec_t usec);
-pa_bool_t pa_sink_input_safe_to_remove(pa_sink_input *i);
+bool pa_sink_input_safe_to_remove(pa_sink_input *i);
+bool pa_sink_input_process_underrun(pa_sink_input *i);
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