1 files changed, 7 insertions, 1 deletions

diff --git a/firmware/export/pcm_playback.h b/firmware/export/pcm_playback.h
index aa29601f70..3fe60670b3 100644
--- a/firmware/export/pcm_playback.h
+++ b/firmware/export/pcm_playback.h
@@ -19,6 +19,10 @@
 #ifndef PCM_PLAYBACK_H
 #define PCM_PLAYBACK_H
 
+/* Guard buffer for crossfader when dsp is enabled. */
+#define PCMBUF_GUARD  32768
+
+/* PCM audio buffer. */
 #define PCMBUF_SIZE   (1*1024*1024)
 
 void pcm_init(void);
@@ -44,7 +48,9 @@ bool pcm_is_lowdata(void);
 bool pcm_crossfade_init(void);
 void audiobuffer_add_event(void (*event_handler)(void));
 unsigned int audiobuffer_get_latency(void);
-bool audiobuffer_insert(char *buf, size_t length);
+bool pcm_insert_buffer(char *buf, size_t length);
+void pcm_flush_buffer(size_t length);
+void* pcm_request_buffer(size_t length, size_t *realsize);
 bool pcm_is_crossfade_enabled(void);
 void pcm_crossfade_enable(bool on_off);