***/
typedef struct pa_source pa_source;
+typedef struct pa_source_volume_change pa_source_volume_change;
#include <inttypes.h>
+#include <pulse/def.h>
#include <pulse/sample.h>
#include <pulse/channelmap.h>
#include <pulse/volume.h>
#include <pulsecore/core.h>
#include <pulsecore/idxset.h>
-#include <pulsecore/memblock.h>
#include <pulsecore/memchunk.h>
#include <pulsecore/sink.h>
#include <pulsecore/module.h>
#include <pulsecore/asyncmsgq.h>
#include <pulsecore/msgobject.h>
#include <pulsecore/rtpoll.h>
-#include <pulsecore/source-output.h>
#include <pulsecore/card.h>
#include <pulsecore/queue.h>
+#include <pulsecore/thread-mq.h>
+#include <pulsecore/source-output.h>
#define PA_MAX_OUTPUTS_PER_SOURCE 32
pa_idxset *outputs;
unsigned n_corked;
pa_sink *monitor_of; /* may be NULL */
+ pa_source_output *output_from_master; /* non-NULL only for filter sources */
pa_volume_t base_volume; /* shall be constant */
unsigned n_volume_steps; /* shall be constant */
- pa_cvolume virtual_volume, soft_volume;
+ /* Also see http://pulseaudio.org/wiki/InternalVolumes */
+ pa_cvolume reference_volume; /* The volume exported and taken as reference base for relative source output volumes */
+ pa_cvolume real_volume; /* The volume that the hardware is configured to */
+ pa_cvolume soft_volume; /* The internal software volume we apply to all PCM data while it passes through */
+
pa_bool_t muted:1;
pa_bool_t refresh_volume:1;
pa_bool_t refresh_muted:1;
-
pa_bool_t save_port:1;
pa_bool_t save_volume:1;
pa_bool_t save_muted:1;
pa_asyncmsgq *asyncmsgq;
- pa_rtpoll *rtpoll;
pa_memchunk silence;
- pa_usec_t fixed_latency; /* for sources with PA_SOURCE_DYNAMIC_LATENCY this is 0 */
-
pa_hashmap *ports;
pa_device_port *active_port;
+ unsigned priority;
+
/* Called when the main loop requests a state change. Called from
* main loop context. If returns -1 the state change will be
* inhibited */
* context. If this is NULL a PA_SOURCE_MESSAGE_GET_VOLUME message
* will be sent to the IO thread instead. If refresh_volume is
* FALSE neither this function is called nor a message is sent. */
- void (*get_volume)(pa_source *s); /* dito */
+ void (*get_volume)(pa_source *s); /* ditto */
/* Called when the volume shall be changed. Called from main loop
* context. If this is NULL a PA_SOURCE_MESSAGE_SET_VOLUME message
* will be sent to the IO thread instead. */
- void (*set_volume)(pa_source *s); /* dito */
+ void (*set_volume)(pa_source *s); /* ditto */
+
+ /* Source drivers that set PA_SOURCE_SYNC_VOLUME must provide this
+ * callback. This callback is not used with source that do not set
+ * PA_SOURCE_SYNC_VOLUME. This is called from the IO thread when a
+ * pending hardware volume change has to be written to the
+ * hardware. The requested volume is passed to the callback
+ * implementation in s->thread_info.current_hw_volume.
+ *
+ * The call is done inside pa_source_volume_change_apply(), which is
+ * not called automatically - it is the driver's responsibility to
+ * schedule that function to be called at the right times in the
+ * IO thread. */
+ void (*write_volume)(pa_source *s); /* ditto */
/* Called when the mute setting is queried. Called from main loop
* context. If this is NULL a PA_SOURCE_MESSAGE_GET_MUTE message
* will be sent to the IO thread instead. If refresh_mute is
* FALSE neither this function is called nor a message is sent.*/
- void (*get_mute)(pa_source *s); /* dito */
+ void (*get_mute)(pa_source *s); /* ditto */
/* Called when the mute setting shall be changed. Called from main
* loop context. If this is NULL a PA_SOURCE_MESSAGE_SET_MUTE
* message will be sent to the IO thread instead. */
- void (*set_mute)(pa_source *s); /* dito */
+ void (*set_mute)(pa_source *s); /* ditto */
/* Called when a the requested latency is changed. Called from IO
* thread context. */
- void (*update_requested_latency)(pa_source *s); /* dito */
+ void (*update_requested_latency)(pa_source *s); /* ditto */
/* Called whenever the port shall be changed. Called from main
* thread. */
- int (*set_port)(pa_source *s, pa_device_port *port); /*dito */
+ int (*set_port)(pa_source *s, pa_device_port *port); /*ditto */
+
+ /* Called to get the list of formats supported by the source, sorted
+ * in descending order of preference. */
+ pa_idxset* (*get_formats)(pa_source *s); /* ditto */
/* Contains copies of the above data so that the real-time worker
* thread can work without access locking */
pa_source_state_t state;
pa_hashmap *outputs;
+ pa_rtpoll *rtpoll;
+
pa_cvolume soft_volume;
pa_bool_t soft_muted:1;
pa_usec_t min_latency; /* we won't go below this latency */
pa_usec_t max_latency; /* An upper limit for the latencies */
- } thread_info;
+
+ pa_usec_t fixed_latency; /* for sources with PA_SOURCE_DYNAMIC_LATENCY this is 0 */
+
+ /* Delayed volume change events are queued here. The events
+ * are stored in expiration order. The one expiring next is in
+ * the head of the list. */
+ PA_LLIST_HEAD(pa_source_volume_change, volume_changes);
+ pa_source_volume_change *volume_changes_tail;
+ /* This value is updated in pa_source_volume_change_apply() and
+ * used only by sources with PA_SOURCE_SYNC_VOLUME. */
+ pa_cvolume current_hw_volume;
+
+ /* The amount of usec volume up events are delayed and volume
+ * down events are made earlier. */
+ uint32_t volume_change_safety_margin;
+ /* Usec delay added to all volume change events, may be negative. */
+ int32_t volume_change_extra_delay;
+} thread_info;
void *userdata;
};
-PA_DECLARE_CLASS(pa_source);
+PA_DECLARE_PUBLIC_CLASS(pa_source);
#define PA_SOURCE(s) pa_source_cast(s)
typedef enum pa_source_message {
PA_SOURCE_MESSAGE_ADD_OUTPUT,
PA_SOURCE_MESSAGE_REMOVE_OUTPUT,
PA_SOURCE_MESSAGE_GET_VOLUME,
+ PA_SOURCE_MESSAGE_SET_SHARED_VOLUME,
+ PA_SOURCE_MESSAGE_SET_VOLUME_SYNCED,
PA_SOURCE_MESSAGE_SET_VOLUME,
+ PA_SOURCE_MESSAGE_SYNC_VOLUMES,
PA_SOURCE_MESSAGE_GET_MUTE,
PA_SOURCE_MESSAGE_SET_MUTE,
PA_SOURCE_MESSAGE_GET_LATENCY,
PA_SOURCE_MESSAGE_DETACH,
PA_SOURCE_MESSAGE_SET_LATENCY_RANGE,
PA_SOURCE_MESSAGE_GET_LATENCY_RANGE,
+ PA_SOURCE_MESSAGE_SET_FIXED_LATENCY,
+ PA_SOURCE_MESSAGE_GET_FIXED_LATENCY,
PA_SOURCE_MESSAGE_GET_MAX_REWIND,
PA_SOURCE_MESSAGE_SET_MAX_REWIND,
+ PA_SOURCE_MESSAGE_SET_PORT,
+ PA_SOURCE_MESSAGE_UPDATE_VOLUME_AND_MUTE,
PA_SOURCE_MESSAGE_MAX
} pa_source_message_t;
void pa_source_attach(pa_source *s);
void pa_source_set_soft_volume(pa_source *s, const pa_cvolume *volume);
-void pa_source_volume_changed(pa_source *s, const pa_cvolume *new_volume, pa_bool_t save);
-void pa_source_mute_changed(pa_source *s, pa_bool_t new_muted, pa_bool_t save);
+void pa_source_volume_changed(pa_source *s, const pa_cvolume *new_volume);
+void pa_source_mute_changed(pa_source *s, pa_bool_t new_muted);
int pa_source_sync_suspend(pa_source *s);
+void pa_source_update_flags(pa_source *s, pa_source_flags_t mask, pa_source_flags_t value);
+
/*** May be called by everyone, from main context */
/* The returned value is supposed to be in the time domain of the sound card! */
pa_usec_t pa_source_get_latency(pa_source *s);
pa_usec_t pa_source_get_requested_latency(pa_source *s);
void pa_source_get_latency_range(pa_source *s, pa_usec_t *min_latency, pa_usec_t *max_latency);
+pa_usec_t pa_source_get_fixed_latency(pa_source *s);
size_t pa_source_get_max_rewind(pa_source *s);
int pa_source_suspend(pa_source *s, pa_bool_t suspend, pa_suspend_cause_t cause);
int pa_source_suspend_all(pa_core *c, pa_bool_t suspend, pa_suspend_cause_t cause);
-void pa_source_set_volume(pa_source *source, const pa_cvolume *volume, pa_bool_t save);
+/* Use this instead of checking s->flags & PA_SOURCE_FLAT_VOLUME directly. */
+pa_bool_t pa_source_flat_volume_enabled(pa_source *s);
+
+/* Is the source in passthrough mode? (that is, is this a monitor source for a sink
+ * that has a passthrough sink input connected to it. */
+pa_bool_t pa_source_is_passthrough(pa_source *s);
+
+void pa_source_set_volume(pa_source *source, const pa_cvolume *volume, pa_bool_t sendmsg, pa_bool_t save);
const pa_cvolume *pa_source_get_volume(pa_source *source, pa_bool_t force_refresh);
+
void pa_source_set_mute(pa_source *source, pa_bool_t mute, pa_bool_t save);
pa_bool_t pa_source_get_mute(pa_source *source, pa_bool_t force_refresh);
void pa_source_move_all_finish(pa_source *s, pa_queue *q, pa_bool_t save);
void pa_source_move_all_fail(pa_queue *q);
+pa_idxset* pa_source_get_formats(pa_source *s);
+pa_bool_t pa_source_check_format(pa_source *s, pa_format_info *f);
+pa_idxset* pa_source_check_formats(pa_source *s, pa_idxset *in_formats);
+
/*** To be called exclusively by the source driver, from IO context */
void pa_source_post(pa_source*s, const pa_memchunk *chunk);
pa_usec_t pa_source_get_requested_latency_within_thread(pa_source *s);
void pa_source_set_max_rewind_within_thread(pa_source *s, size_t max_rewind);
+
void pa_source_set_latency_range_within_thread(pa_source *s, pa_usec_t min_latency, pa_usec_t max_latency);
+void pa_source_set_fixed_latency_within_thread(pa_source *s, pa_usec_t latency);
+
+void pa_source_update_volume_and_mute(pa_source *s);
+
+pa_bool_t pa_source_volume_change_apply(pa_source *s, pa_usec_t *usec_to_next);
/*** To be called exclusively by source output drivers, from IO context */
-void pa_source_invalidate_requested_latency(pa_source *s);
+void pa_source_invalidate_requested_latency(pa_source *s, pa_bool_t dynamic);
pa_usec_t pa_source_get_latency_within_thread(pa_source *s);
+#define pa_source_assert_io_context(s) \
+ pa_assert(pa_thread_mq_get() || !PA_SOURCE_IS_LINKED((s)->state))
+
#endif