mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-14 14:20:45 +01:00
a12c42a6b2
Usage replaced with stdint.h, rtc_base/system/arch.h and rtc_base/system/unused.h, as appropriate. Bug: webrtc:6854 Change-Id: I97225465d14b969903d92979e2df3c3c05d35f18 Reviewed-on: https://webrtc-review.googlesource.com/90249 Reviewed-by: Niklas Enbom <niklas.enbom@webrtc.org> Reviewed-by: Fredrik Solenberg <solenberg@webrtc.org> Commit-Queue: Niels Moller <nisse@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24100}
56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef MODULES_AUDIO_CODING_NETEQ_TOOLS_AUDIO_LOOP_H_
|
|
#define MODULES_AUDIO_CODING_NETEQ_TOOLS_AUDIO_LOOP_H_
|
|
|
|
#include <memory>
|
|
#include <string>
|
|
|
|
#include "api/array_view.h"
|
|
#include "rtc_base/constructormagic.h"
|
|
|
|
namespace webrtc {
|
|
namespace test {
|
|
|
|
// Class serving as an infinite source of audio, realized by looping an audio
|
|
// clip.
|
|
class AudioLoop {
|
|
public:
|
|
AudioLoop()
|
|
: next_index_(0), loop_length_samples_(0), block_length_samples_(0) {}
|
|
|
|
virtual ~AudioLoop() {}
|
|
|
|
// Initializes the AudioLoop by reading from |file_name|. The loop will be no
|
|
// longer than |max_loop_length_samples|, if the length of the file is
|
|
// greater. Otherwise, the loop length is the same as the file length.
|
|
// The audio will be delivered in blocks of |block_length_samples|.
|
|
// Returns false if the initialization failed, otherwise true.
|
|
bool Init(const std::string file_name,
|
|
size_t max_loop_length_samples,
|
|
size_t block_length_samples);
|
|
|
|
// Returns a (pointer,size) pair for the next block of audio. The size is
|
|
// equal to the |block_length_samples| Init() argument.
|
|
rtc::ArrayView<const int16_t> GetNextBlock();
|
|
|
|
private:
|
|
size_t next_index_;
|
|
size_t loop_length_samples_;
|
|
size_t block_length_samples_;
|
|
std::unique_ptr<int16_t[]> audio_array_;
|
|
|
|
RTC_DISALLOW_COPY_AND_ASSIGN(AudioLoop);
|
|
};
|
|
|
|
} // namespace test
|
|
} // namespace webrtc
|
|
#endif // MODULES_AUDIO_CODING_NETEQ_TOOLS_AUDIO_LOOP_H_
|