Implement xas_audio_format_eq()

Implement xas_audio_format_eq() to compare xas_audio_format objects
for equivalence

2 files changed, 8 insertions, 0 deletions

diff --git a/include/xas/audio.h b/include/xas/audio.h
index 4cf3221..d79615d 100644
--- a/include/xas/audio.h
+++ b/include/xas/audio.h
@@ -58,6 +58,8 @@ struct _xas_audio_stream {
     void *ctx;
 };
 
+int xas_audio_format_eq(xas_audio_format a, xas_audio_format b);
+
 void xas_audio_zero(xas_audio_format format,
                       void *dest,
                       size_t index,
diff --git a/src/audio.c b/src/audio.c
index da656f2..bc2e04d 100644
--- a/src/audio.c
+++ b/src/audio.c
@@ -4,6 +4,12 @@
 
 #include <xas/audio.h>
 
+int xas_audio_format_eq(xas_audio_format a, xas_audio_format b) {
+    return a.channels    == b.channels
+        && a.sample_size == b.sample_size
+        && a.sample_rate == b.sample_rate;
+}
+
 void xas_audio_copy(xas_audio_format format,
                       void *dest,
                       void *src,