mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-12 21:30:45 +01:00

This CL is the result of running include-what-you-use tool on part of the code base (audio target and dependencies) plus manual fixes. bug: webrtc:8311 Change-Id: I277d281ce943c3ecc1bd45fd8d83055931743604 Reviewed-on: https://webrtc-review.googlesource.com/c/106280 Commit-Queue: Yves Gerey <yvesg@google.com> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Patrik Höglund <phoglund@webrtc.org> Cr-Commit-Position: refs/heads/master@{#25311}
63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
/*
|
|
* Copyright (c) 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 "common_video/include/i420_buffer_pool.h"
|
|
|
|
#include <limits>
|
|
|
|
#include "rtc_base/checks.h"
|
|
|
|
namespace webrtc {
|
|
|
|
I420BufferPool::I420BufferPool() : I420BufferPool(false) {}
|
|
I420BufferPool::I420BufferPool(bool zero_initialize)
|
|
: I420BufferPool(zero_initialize, std::numeric_limits<size_t>::max()) {}
|
|
I420BufferPool::I420BufferPool(bool zero_initialize,
|
|
size_t max_number_of_buffers)
|
|
: zero_initialize_(zero_initialize),
|
|
max_number_of_buffers_(max_number_of_buffers) {}
|
|
I420BufferPool::~I420BufferPool() = default;
|
|
|
|
void I420BufferPool::Release() {
|
|
buffers_.clear();
|
|
}
|
|
|
|
rtc::scoped_refptr<I420Buffer> I420BufferPool::CreateBuffer(int width,
|
|
int height) {
|
|
RTC_DCHECK_RUNS_SERIALIZED(&race_checker_);
|
|
// Release buffers with wrong resolution.
|
|
for (auto it = buffers_.begin(); it != buffers_.end();) {
|
|
if ((*it)->width() != width || (*it)->height() != height)
|
|
it = buffers_.erase(it);
|
|
else
|
|
++it;
|
|
}
|
|
// Look for a free buffer.
|
|
for (const rtc::scoped_refptr<PooledI420Buffer>& buffer : buffers_) {
|
|
// If the buffer is in use, the ref count will be >= 2, one from the list we
|
|
// are looping over and one from the application. If the ref count is 1,
|
|
// then the list we are looping over holds the only reference and it's safe
|
|
// to reuse.
|
|
if (buffer->HasOneRef())
|
|
return buffer;
|
|
}
|
|
|
|
if (buffers_.size() >= max_number_of_buffers_)
|
|
return nullptr;
|
|
// Allocate new buffer.
|
|
rtc::scoped_refptr<PooledI420Buffer> buffer =
|
|
new PooledI420Buffer(width, height);
|
|
if (zero_initialize_)
|
|
buffer->InitializeData();
|
|
buffers_.push_back(buffer);
|
|
return buffer;
|
|
}
|
|
|
|
} // namespace webrtc
|