summaryrefslogtreecommitdiffstats
path: root/src/pulsecore/sink.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/pulsecore/sink.h')
-rw-r--r--src/pulsecore/sink.h42
1 files changed, 30 insertions, 12 deletions
diff --git a/src/pulsecore/sink.h b/src/pulsecore/sink.h
index 4405896b..b73944e8 100644
--- a/src/pulsecore/sink.h
+++ b/src/pulsecore/sink.h
@@ -80,17 +80,15 @@ struct pa_sink {
pa_cvolume volume;
pa_bool_t muted;
- pa_bool_t refresh_volume;
- pa_bool_t refresh_mute;
+
+ pa_bool_t refresh_volume:1;
+ pa_bool_t refresh_muted:1;
pa_asyncmsgq *asyncmsgq;
pa_rtpoll *rtpoll;
pa_memchunk silence;
- pa_usec_t min_latency; /* we won't go below this latency */
- pa_usec_t max_latency; /* An upper limit for the latencies */
-
/* Called when the main loop requests a state change. Called from
* main loop context. If returns -1 the state change will be
* inhibited */
@@ -98,8 +96,9 @@ struct pa_sink {
/* Callled when the volume is queried. Called from main loop
* context. If this is NULL a PA_SINK_MESSAGE_GET_VOLUME message
- * will be sent to the IO thread instead. */
- int (*get_volume)(pa_sink *s); /* may be null */
+ * will be sent to the IO thread instead. If refresh_volume is
+ * FALSE neither this function is called nor a message is sent. */
+ int (*get_volume)(pa_sink *s); /* may be NULL */
/* Called when the volume shall be changed. Called from main loop
* context. If this is NULL a PA_SINK_MESSAGE_SET_VOLUME message
@@ -108,7 +107,8 @@ struct pa_sink {
/* Called when the mute setting is queried. Called from main loop
* context. If this is NULL a PA_SINK_MESSAGE_GET_MUTE message
- * will be sent to the IO thread instead. */
+ * will be sent to the IO thread instead. If refresh_mute is
+ * FALSE neither this function is called nor a message is sent.*/
int (*get_mute)(pa_sink *s); /* dito */
/* Called when the mute setting shall be changed. Called from main
@@ -130,17 +130,24 @@ struct pa_sink {
pa_sink_state_t state;
pa_hashmap *inputs;
pa_cvolume soft_volume;
- pa_bool_t soft_muted;
+ pa_bool_t soft_muted:1;
- pa_bool_t requested_latency_valid;
+ pa_bool_t requested_latency_valid:1;
pa_usec_t requested_latency;
- /* The number of bytes we need keep around to be able to satisfy
- * every DMA buffer rewrite */
+ /* The number of bytes streams need to keep around as history to
+ * be able to satisfy every DMA buffer rewrite */
size_t max_rewind;
+ /* The number of bytes streams need to keep around to satisfy
+ * every DMA write request */
+ size_t max_request;
+
/* Maximum of what clients requested to rewind in this cycle */
size_t rewind_nbytes;
+
+ 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;
void *userdata;
@@ -163,6 +170,10 @@ typedef enum pa_sink_message {
PA_SINK_MESSAGE_FINISH_MOVE,
PA_SINK_MESSAGE_ATTACH,
PA_SINK_MESSAGE_DETACH,
+ PA_SINK_MESSAGE_SET_LATENCY_RANGE,
+ PA_SINK_MESSAGE_GET_LATENCY_RANGE,
+ PA_SINK_MESSAGE_GET_MAX_REWIND,
+ PA_SINK_MESSAGE_GET_MAX_REQUEST,
PA_SINK_MESSAGE_MAX
} pa_sink_message_t;
@@ -217,6 +228,10 @@ void pa_sink_attach(pa_sink *s);
/* The returned value is supposed to be in the time domain of the sound card! */
pa_usec_t pa_sink_get_latency(pa_sink *s);
pa_usec_t pa_sink_get_requested_latency(pa_sink *s);
+void pa_sink_get_latency_range(pa_sink *s, pa_usec_t *min_latency, pa_usec_t *max_latency);
+
+size_t pa_sink_get_max_rewind(pa_sink *s);
+size_t pa_sink_get_max_request(pa_sink *s);
int pa_sink_update_status(pa_sink*s);
int pa_sink_suspend(pa_sink *s, pa_bool_t suspend);
@@ -248,6 +263,9 @@ void pa_sink_detach_within_thread(pa_sink *s);
pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s);
void pa_sink_set_max_rewind(pa_sink *s, size_t max_rewind);
+void pa_sink_set_max_request(pa_sink *s, size_t max_request);
+
+void pa_sink_update_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency);
/* To be called exclusively by sink input drivers, from IO context */