[alsa-devel] [PATCH] PCM: Support up to 384kHz sample rate.
Peter Rosin
peda at lysator.liu.se
Wed Nov 11 17:13:56 CET 2015
From: Peter Rosin <peda at axentia.se>
Some codecs support it in the kernel (e.g. pcm512x).
Signed-off-by: Peter Rosin <peda at axentia.se>
---
include/pcm_plugin.h | 2 +-
src/pcm/pcm_simple.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
I'm not sure it really is this simple, but the things I'm using start to
work...
Cheers,
Peter
diff --git a/include/pcm_plugin.h b/include/pcm_plugin.h
index eea1d82..958bc89 100644
--- a/include/pcm_plugin.h
+++ b/include/pcm_plugin.h
@@ -39,7 +39,7 @@
*/
#define SND_PCM_PLUGIN_RATE_MIN 4000 /**< minimal rate for the rate plugin */
-#define SND_PCM_PLUGIN_RATE_MAX 192000 /**< maximal rate for the rate plugin */
+#define SND_PCM_PLUGIN_RATE_MAX 384000 /**< maximal rate for the rate plugin */
/* ROUTE_FLOAT should be set to 0 for machines without FP unit - like iPAQ */
#ifdef HAVE_SOFT_FLOAT
diff --git a/src/pcm/pcm_simple.c b/src/pcm/pcm_simple.c
index ce11083..2fda841 100644
--- a/src/pcm/pcm_simple.c
+++ b/src/pcm/pcm_simple.c
@@ -173,7 +173,7 @@ int snd_spcm_init(snd_pcm_t *pcm,
snd_pcm_sw_params_alloca(&sw_params);
assert(pcm);
- assert(rate >= 5000 && rate <= 192000);
+ assert(rate >= 5000 && rate <= 384000);
assert(channels >= 1 && channels <= 512);
rrate = rate;
@@ -233,7 +233,7 @@ int snd_spcm_init_duplex(snd_pcm_t *playback_pcm,
assert(playback_pcm);
assert(capture_pcm);
- assert(rate >= 5000 && rate <= 192000);
+ assert(rate >= 5000 && rate <= 384000);
assert(channels >= 1 && channels <= 512);
pcms[0] = playback_pcm;
--
1.7.10.4
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