Added loopback interface...

diff --git a/include/pcm.h b/include/pcm.h
index fc55f174d5177f1c8bbf6918966021ddbd840aae..5f757c9fcd7beed6587c3eae7c923ae8368be673 100644 (file)
--- a/include/pcm.h
+++ b/include/pcm.h
@@ -47,3 +47,19 @@ ssize_t snd_pcm_read( void *handle, void *buffer, size_t size );
 }
 #endif
 
+#define SND_PCM_LB_OPEN_PLAYBACK       0
+#define SND_PCM_LB_OPEN_RECORD         1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int snd_pcm_loopback_open( void **handle, int card, int device, int mode );
+int snd_pcm_loopback_close( void *handle );
+int snd_pcm_loopback_stream_mode( void *handle, int mode );
+int snd_pcm_loopback_format( void *handle, snd_pcm_format_t *format );
+ssize_t snd_pcm_loopback_read( void *handle, void *buffer, size_t size );
+
+#ifdef __cplusplus
+}
+#endif