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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/libwebrtc/rtc_base/buffer_queue.cc | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/rtc_base/buffer_queue.cc')
-rw-r--r-- | third_party/libwebrtc/rtc_base/buffer_queue.cc | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_base/buffer_queue.cc b/third_party/libwebrtc/rtc_base/buffer_queue.cc new file mode 100644 index 0000000000..7879e933c7 --- /dev/null +++ b/third_party/libwebrtc/rtc_base/buffer_queue.cc @@ -0,0 +1,85 @@ +/* + * 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 "rtc_base/buffer_queue.h" + +#include <stdint.h> +#include <string.h> + +#include <algorithm> + +namespace rtc { + +BufferQueue::BufferQueue(size_t capacity, size_t default_size) + : capacity_(capacity), default_size_(default_size) {} + +BufferQueue::~BufferQueue() { + RTC_DCHECK_RUN_ON(&sequence_checker_); + for (Buffer* buffer : queue_) + delete buffer; + for (Buffer* buffer : free_list_) + delete buffer; +} + +size_t BufferQueue::size() const { + RTC_DCHECK_RUN_ON(&sequence_checker_); + return queue_.size(); +} + +void BufferQueue::Clear() { + RTC_DCHECK_RUN_ON(&sequence_checker_); + while (!queue_.empty()) { + free_list_.push_back(queue_.front()); + queue_.pop_front(); + } +} + +bool BufferQueue::ReadFront(void* buffer, size_t bytes, size_t* bytes_read) { + RTC_DCHECK_RUN_ON(&sequence_checker_); + if (queue_.empty()) + return false; + + Buffer* packet = queue_.front(); + queue_.pop_front(); + + bytes = std::min(bytes, packet->size()); + memcpy(buffer, packet->data(), bytes); + + if (bytes_read) + *bytes_read = bytes; + + free_list_.push_back(packet); + return true; +} + +bool BufferQueue::WriteBack(const void* buffer, + size_t bytes, + size_t* bytes_written) { + RTC_DCHECK_RUN_ON(&sequence_checker_); + if (queue_.size() == capacity_) + return false; + + Buffer* packet; + if (!free_list_.empty()) { + packet = free_list_.back(); + free_list_.pop_back(); + } else { + packet = new Buffer(bytes, default_size_); + } + + packet->SetData(static_cast<const uint8_t*>(buffer), bytes); + if (bytes_written) + *bytes_written = bytes; + + queue_.push_back(packet); + return true; +} + +} // namespace rtc |