зеркало из https://github.com/mozilla/gecko-dev.git
50 строки
1.4 KiB
C++
50 строки
1.4 KiB
C++
/*
|
|
* Copyright (c) 2011 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 "test/testsupport/packet_reader.h"
|
|
|
|
#include <assert.h>
|
|
#include <stdio.h>
|
|
#include <algorithm>
|
|
|
|
namespace webrtc {
|
|
namespace test {
|
|
|
|
PacketReader::PacketReader()
|
|
: initialized_(false) {}
|
|
|
|
PacketReader::~PacketReader() {}
|
|
|
|
void PacketReader::InitializeReading(uint8_t* data,
|
|
size_t data_length_in_bytes,
|
|
size_t packet_size_in_bytes) {
|
|
assert(data);
|
|
assert(packet_size_in_bytes > 0);
|
|
data_ = data;
|
|
data_length_ = data_length_in_bytes;
|
|
packet_size_ = packet_size_in_bytes;
|
|
currentIndex_ = 0;
|
|
initialized_ = true;
|
|
}
|
|
|
|
int PacketReader::NextPacket(uint8_t** packet_pointer) {
|
|
if (!initialized_) {
|
|
fprintf(stderr, "Attempting to use uninitialized PacketReader!\n");
|
|
return -1;
|
|
}
|
|
*packet_pointer = data_ + currentIndex_;
|
|
size_t old_index = currentIndex_;
|
|
currentIndex_ = std::min(currentIndex_ + packet_size_, data_length_);
|
|
return static_cast<int>(currentIndex_ - old_index);
|
|
}
|
|
|
|
} // namespace test
|
|
} // namespace webrtc
|