libpulse: some minor optimizations when checking equality

diff --git a/src/pulse/channelmap.c b/src/pulse/channelmap.c
index 98f79b43e784b9e54c66146407028843502521af..9b5162628c6689db47b2a90fa0e703b1aa4236c9 100644 (file)
--- a/src/pulse/channelmap.c
+++ b/src/pulse/channelmap.c
@@ -453,6 +453,10 @@ int pa_channel_map_equal(const pa_channel_map *a, const pa_channel_map *b) {
     pa_assert(b);
 
     pa_return_val_if_fail(pa_channel_map_valid(a), 0);
+
+    if (PA_UNLIKELY(a == b))
+        return 1;
+
     pa_return_val_if_fail(pa_channel_map_valid(b), 0);
 
     if (a->channels != b->channels)
@@ -641,6 +645,10 @@ int pa_channel_map_superset(const pa_channel_map *a, const pa_channel_map *b) {
     pa_assert(b);
 
     pa_return_val_if_fail(pa_channel_map_valid(a), 0);
+
+    if (PA_UNLIKELY(a == b))
+        return 1;
+
     pa_return_val_if_fail(pa_channel_map_valid(b), 0);
 
     am = pa_channel_map_mask(a);

diff --git a/src/pulse/sample.c b/src/pulse/sample.c
index 0f19f8ebf639d81650e3c75340a03147af9d0619..d5d38eda5af1cfb21901f89e27b3d012b10cb605 100644 (file)
--- a/src/pulse/sample.c
+++ b/src/pulse/sample.c
@@ -125,6 +125,10 @@ int pa_sample_spec_equal(const pa_sample_spec*a, const pa_sample_spec*b) {
     pa_assert(b);
 
     pa_return_val_if_fail(pa_sample_spec_valid(a), 0);
+
+    if (PA_UNLIKELY(a == b))
+        return 1;
+
     pa_return_val_if_fail(pa_sample_spec_valid(b), 0);
 
     return

diff --git a/src/pulse/volume.c b/src/pulse/volume.c
index e816d679cfe7fed9a19e7cf65bdbd08cf03eb593..d7fb24778e8130c429b84f1eace17d406c422a2e 100644 (file)
--- a/src/pulse/volume.c
+++ b/src/pulse/volume.c
@@ -40,6 +40,10 @@ int pa_cvolume_equal(const pa_cvolume *a, const pa_cvolume *b) {
     pa_assert(b);
 
     pa_return_val_if_fail(pa_cvolume_valid(a), 0);
+
+    if (PA_UNLIKELY(a == b))
+        return 1;
+
     pa_return_val_if_fail(pa_cvolume_valid(b), 0);
 
     if (a->channels != b->channels)