sink, source, device-port: renames to distinguish latency offsets

Renamed all variables pertaining to latency offsets of sinks and sources,
calling them "port_latency_offset" or similar instead. All of these variables
refer to latency offsets inherited from ports, rather than being unique to
the sinks or sources themselves.

This change is to pave the way for additional functionality for setting
latency offsets on sources and sinks independenly from the value they inherit
from their port. In order to implement them we first need this rename so that
the two latency offsets can be stored individually and summed when reporting
the total latency of the source or sink.

The renames made are:

pa_sink_set_latency_offset() -> pa_sink_set_port_latency_offset()
pa_source_set_latency_offset() -> pa_source_set_port_latency_offset()
sink->latency_offset -> sink->port_latency_offset
sink->thread_info.latency_offset -> sink->thread_info.port_latency_offset
source->latency_offset -> source->port_latency_offset
source->thread_info.latency_offset -> source->thread_info.port_latency_offset
PA_SINK_MESSAGE_SET_LATENCY_OFFSET -> PA_SINK_MESSAGE_SET_PORT_LATENCY_OFFSET
PA_SOURCE_MESSAGE_SET_LATENCY_OFFSET -> PA_SOURCE_MESSAGE_SET_PORT_LATENCY_OFFSET

1 files changed, 5 insertions, 5 deletions

diff --git a/src/pulsecore/source.h b/src/pulsecore/source.h
index 91e8674b7..3a6b5c344 100644
--- a/src/pulsecore/source.h
+++ b/src/pulsecore/source.h
@@ -119,7 +119,7 @@ struct pa_source {
     pa_atomic_t mixer_dirty;
 
     /* The latency offset is inherited from the currently active port */
-    int64_t latency_offset;
+    int64_t port_latency_offset;
 
     unsigned priority;
 
@@ -229,8 +229,8 @@ struct pa_source {
 
         pa_usec_t fixed_latency; /* for sources with PA_SOURCE_DYNAMIC_LATENCY this is 0 */
 
-        /* This latency offset is a direct copy from s->latency_offset */
-        int64_t latency_offset;
+        /* This latency offset is a direct copy from s->port_latency_offset */
+        int64_t port_latency_offset;
 
         /* Delayed volume change events are queued here. The events
          * are stored in expiration order. The one expiring next is in
@@ -275,7 +275,7 @@ typedef enum pa_source_message {
     PA_SOURCE_MESSAGE_SET_MAX_REWIND,
     PA_SOURCE_MESSAGE_SET_PORT,
     PA_SOURCE_MESSAGE_UPDATE_VOLUME_AND_MUTE,
-    PA_SOURCE_MESSAGE_SET_LATENCY_OFFSET,
+    PA_SOURCE_MESSAGE_SET_PORT_LATENCY_OFFSET,
     PA_SOURCE_MESSAGE_MAX
 } pa_source_message_t;
 
@@ -356,7 +356,7 @@ void pa_source_update_flags(pa_source *s, pa_source_flags_t mask, pa_source_flag
 
 /*** May be called by everyone, from main context */
 
-void pa_source_set_latency_offset(pa_source *s, int64_t offset);
+void pa_source_set_port_latency_offset(pa_source *s, int64_t offset);
 
 /* 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);