| /* |
| * 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 |