FS#10199: Adds limiter DSP function

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22394 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 4 insertions, 0 deletions

diff --git a/apps/dsp.h b/apps/dsp.h
index 58a5edb5e2..b2d8493445 100644
--- a/apps/dsp.h
+++ b/apps/dsp.h
@@ -26,6 +26,8 @@
 #include <stdbool.h>
 
 #define NATIVE_FREQUENCY       44100
+#define LIMITER_BUFFER_SIZE      288    /* ~6.5 ms */
+#define MAX_LIMITER_GAIN          80    /*    8 dB */
 enum
 {
     STEREO_INTERLEAVED = 0,
@@ -80,5 +82,7 @@ int32_t sound_get_pitch(void);
 void dsp_set_timestretch(int32_t percent);
 int32_t dsp_get_timestretch(void);
 int dsp_callback(int msg, intptr_t param);
+int dsp_flush_limiter_buffer(char *dest);
+void dsp_set_limiter(int limiter_level);
 
 #endif