blob: 438c5220722e49b7dddb6e1a57bdafd785be599b [file] [log] [blame]
* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include <SLES/OpenSLES.h>
#include <stddef.h>
#include "rtc_base/checks.h"
namespace webrtc {
// Returns a string representation given an integer SL_RESULT_XXX code.
// The mapping can be found in <SLES/OpenSLES.h>.
const char* GetSLErrorString(size_t code);
// Configures an SL_DATAFORMAT_PCM structure based on native audio parameters.
SLDataFormat_PCM CreatePCMConfiguration(size_t channels,
int sample_rate,
size_t bits_per_sample);
// Helper class for using SLObjectItf interfaces.
template <typename SLType, typename SLDerefType>
class ScopedSLObject {
ScopedSLObject() : obj_(nullptr) {}
~ScopedSLObject() { Reset(); }
SLType* Receive() {
return &obj_;
SLDerefType operator->() { return *obj_; }
SLType Get() const { return obj_; }
void Reset() {
if (obj_) {
obj_ = nullptr;
SLType obj_;
typedef ScopedSLObject<SLObjectItf, const SLObjectItf_*> ScopedSLObjectItf;
} // namespace webrtc