/usr/include/thunderbird/CubebUtils.h is in thunderbird-dev 1:38.6.0+build1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#if !defined(CubebUtils_h_)
#define CubebUtils_h_
#include "cubeb/cubeb.h"
#include "mozilla/dom/AudioChannelBinding.h"
namespace mozilla {
namespace CubebUtils {
// Initialize Audio Library. Some Audio backends require initializing the
// library before using it.
void InitLibrary();
// Shutdown Audio Library. Some Audio backends require shutting down the
// library after using it.
void ShutdownLibrary();
// Returns the maximum number of channels supported by the audio hardware.
uint32_t MaxNumberOfChannels();
// Queries the samplerate the hardware/mixer runs at, and stores it.
// Can be called on any thread. When this returns, it is safe to call
// PreferredSampleRate.
void InitPreferredSampleRate();
// Get the aforementioned sample rate. Thread safe.
uint32_t PreferredSampleRate();
void PrefChanged(const char* aPref, void* aClosure);
double GetVolumeScale();
bool GetFirstStream();
cubeb* GetCubebContext();
cubeb* GetCubebContextUnlocked();
uint32_t GetCubebLatency();
bool CubebLatencyPrefSet();
#if defined(__ANDROID__) && defined(MOZ_B2G)
cubeb_stream_type ConvertChannelToCubebType(dom::AudioChannel aChannel);
#endif
} // namespace CubebUtils
} // namespace mozilla
#endif // CubebUtils_h_
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