blob: 4adae416ad7064bc4c5b95184f7d43d1680697a2 [file] [log] [blame]
* Copyright 2015 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 <deque>
#include <vector>
#include "webrtc/base/buffer.h"
#include "webrtc/base/criticalsection.h"
namespace rtc {
class BufferQueue {
// Creates a buffer queue queue with a given capacity and default buffer size.
BufferQueue(size_t capacity, size_t default_size);
// Return number of queued buffers.
size_t size() const;
// ReadFront will only read one buffer at a time and will truncate buffers
// that don't fit in the passed memory.
bool ReadFront(void* data, size_t bytes, size_t* bytes_read);
// WriteBack always writes either the complete memory or nothing.
bool WriteBack(const void* data, size_t bytes, size_t* bytes_written);
size_t capacity_;
size_t default_size_;
std::deque<Buffer*> queue_;
std::vector<Buffer*> free_list_;
mutable CriticalSection crit_; // object lock
} // namespace rtc