blob: 6af7f9cc7fdbdd81ccf2ce5b820de822808c994a [file] [log] [blame]
/*
* Copyright (c) 2012 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.
*/
#ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_FEC_TEST_HELPER_H_
#define WEBRTC_MODULES_RTP_RTCP_SOURCE_FEC_TEST_HELPER_H_
#include "webrtc/modules/include/module_common_types.h"
#include "webrtc/modules/rtp_rtcp/source/forward_error_correction.h"
namespace webrtc {
namespace test {
struct RawRtpPacket : public ForwardErrorCorrection::Packet {
WebRtcRTPHeader header;
};
} // namespace test
const uint8_t kFecPayloadType = 96;
const uint8_t kRedPayloadType = 97;
const uint8_t kVp8PayloadType = 120;
class FrameGenerator {
public:
FrameGenerator();
void NewFrame(int num_packets);
uint16_t NextSeqNum();
test::RawRtpPacket* NextPacket(int offset, size_t length);
// Creates a new RtpPacket with the RED header added to the packet.
test::RawRtpPacket* BuildMediaRedPacket(const test::RawRtpPacket* packet);
// Creates a new RtpPacket with FEC payload and red header. Does this by
// creating a new fake media RtpPacket, clears the marker bit and adds a RED
// header. Finally replaces the payload with the content of |packet->data|.
test::RawRtpPacket* BuildFecRedPacket(
const ForwardErrorCorrection::Packet* packet);
void SetRedHeader(ForwardErrorCorrection::Packet* red_packet,
uint8_t payload_type,
size_t header_length) const;
private:
static void BuildRtpHeader(uint8_t* data, const RTPHeader* header);
int num_packets_;
uint16_t seq_num_;
uint32_t timestamp_;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_FEC_TEST_HELPER_H_