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authorSolomon Peachy <pizza@shaftnet.org>2020-11-18 14:08:17 -0500
committerSolomon Peachy <pizza@shaftnet.org>2020-11-18 14:38:12 -0500
commit3027cead01d8aacce03dc360cedaa4cc44a062fc (patch)
treef7ff9d4fa1b4ab201580cb3468e36f705b0a9a8d /firmware/target/hosted/pcm-alsa.h
parent473aa615de2528e469a421d01be007e022d0a5b5 (diff)
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hosted: Improve buffer underrun handling in the ALSA driver
* Bump internal mix buffer size by 4x, to 1K frames (matching ALSA period) * Handle an underrun that occurs when filling the audio buffer * Log underruns and make them available in the debug info Change-Id: I28d56dd35d88851fa167ad92368a5882937a758f
Diffstat (limited to 'firmware/target/hosted/pcm-alsa.h')
-rw-r--r--firmware/target/hosted/pcm-alsa.h15
1 files changed, 8 insertions, 7 deletions
diff --git a/firmware/target/hosted/pcm-alsa.h b/firmware/target/hosted/pcm-alsa.h
index 1392593c0c..4c0b0d0b9d 100644
--- a/firmware/target/hosted/pcm-alsa.h
+++ b/firmware/target/hosted/pcm-alsa.h
@@ -1,10 +1,10 @@
/***************************************************************************
- * __________ __ ___.
- * Open \______ \ ____ ____ | | _\_ |__ _______ ___
- * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
- * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
- * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
- * \/ \/ \/ \/ \/
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
*
* Copyright (C) 2016 Amaury Pouly
*
@@ -34,6 +34,7 @@ void pcm_alsa_set_playback_device(const char *device);
void pcm_alsa_set_capture_device(const char *device);
#endif
-int pcm_alsa_get_rate(void);
+unsigned int pcm_alsa_get_rate(void);
+unsigned int pcm_alsa_get_xruns(void);
#endif /* __PCM_ALSA_RB_H__ */