Implement xas_bank_active()

Implement xas_bank_active() to allow one to determine if a sample bank
is currently active

1 files changed, 4 insertions, 0 deletions

diff --git a/src/bank.c b/src/bank.c
index 957d6c0..ca07e6f 100644
--- a/src/bank.c
+++ b/src/bank.c
@@ -52,6 +52,10 @@ void xas_bank_stop(xas_bank *bank) {
     bank->index  = 0;
 }
 
+int xas_bank_active(xas_bank *bank) {
+    return bank->flags & XAS_BANK_ACTIVE;
+}
+
 static inline void *ptr(xas_audio_stream *stream, void *buf, size_t index) {
     return ((uint8_t *)buf) + stream->channels * stream->sample_size * index;
 }