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authordavej@chromium.org <davej@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2011-04-19 01:05:50 +0000
committerdavej@chromium.org <davej@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2011-04-19 01:05:50 +0000
commit2c1ee604e1de20cf8aeaa4d22b6fee2c4b20b0b4 (patch)
treef5aeda26905e92ee794ac838ca46c890a7376a5f /media/audio/linux/alsa_wrapper.h
parentba8732d8c062bd8e1a3f6871a77c6603ebc21ce0 (diff)
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Open ALSA device using hw_params calls
Replaced using ALSA snd_pcm_set_params() with separate snd_pcm_hw_X() calls in order to use snd_pcm_hw_params_set_rate_near() which allows for setting rates on some devices that don't normally allow some rates like 22050Hz. BUG=chromium-os:13231, chromium-os:13721 TEST=Manual, 22khz audio should play (test file in bug) Review URL: http://codereview.chromium.org/6869037 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@82042 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'media/audio/linux/alsa_wrapper.h')
-rw-r--r--media/audio/linux/alsa_wrapper.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/media/audio/linux/alsa_wrapper.h b/media/audio/linux/alsa_wrapper.h
index 88bdb5a..1fe1992 100644
--- a/media/audio/linux/alsa_wrapper.h
+++ b/media/audio/linux/alsa_wrapper.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
@@ -46,5 +46,9 @@ class AlsaWrapper {
virtual const char* StrError(int errnum);
private:
+ int ConfigureHwParams(snd_pcm_t* handle, snd_pcm_hw_params_t* hw_params,
+ snd_pcm_format_t format, snd_pcm_access_t access,
+ unsigned int channels, unsigned int rate,
+ int soft_resample, unsigned int latency);
DISALLOW_COPY_AND_ASSIGN(AlsaWrapper);
};