Changeset 2436:5f6775fb4743 in roaraudio

Timestamp:

08/19/09 20:36:42 (15 years ago)

Author:

phi

Branch:

default

Phase:

public

Message:

added state struct and protypes for fader

File:

• include/libroardsp/fader.h (modified) (1 diff)

include/libroardsp/fader.h

@@ -38 +38 @@
 #include "libroardsp.h"
 
+#define ROAR_FADER_MAX_COEFF 4
+
+struct roar_fader_state {
+ int rate;
+ size_t pcmoffset;
+ size_t start;
+ size_t stop;
+ float poly[ROAR_FADER_MAX_COEFF];
+ int   coeff;
+};
+
+int roar_fader_init(struct roar_fader_state * state, float * poly, int coeff);
+int roar_fader_set_rate(struct roar_fader_state * state, int rate);
+int roar_fader_set_startstop(struct roar_fader_state * state, ssize_t start, ssize_t stop);
+
+int roar_fader_calcpcm_i16n(struct roar_fader_state * state, int16_t * data, size_t frames, int channels);
+int roar_fader_calcpcm_i161(struct roar_fader_state * state, int16_t * data, size_t frames);
+
 #endif