Use playback channel directly for peakmeters and plugins using peak calculation. Also, for now, don't allow mixer playback to overlap recording, even if full duplex works.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30119 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 10 insertions, 0 deletions

diff --git a/firmware/export/pcm-internal.h b/firmware/export/pcm-internal.h
index d69138f534..bae6a368fa 100644
--- a/firmware/export/pcm-internal.h
+++ b/firmware/export/pcm-internal.h
@@ -22,6 +22,16 @@
 #ifndef PCM_INTERNAL_H
 #define PCM_INTERNAL_H
 
+struct pcm_peaks
+{
+    long period;
+    long tick;
+    uint16_t val[2];
+};
+
+void pcm_do_peak_calculation(struct pcm_peaks *peaks, bool active,
+                             const void *addr, int count);
+
 /** The following are for internal use between pcm.c and target-
     specific portion **/