blob: 9fa3cce464a524f321011ecbef3a29acdaaeeff8 [file] [log] [blame]
* Copyright (c) 2013 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 <string>
#include "webrtc/common_types.h"
#include "webrtc/modules/rtp_rtcp/source/rtp_format.h"
#include "webrtc/rtc_base/constructormagic.h"
#include "webrtc/typedefs.h"
namespace webrtc {
namespace RtpFormatVideoGeneric {
static const uint8_t kKeyFrameBit = 0x01;
static const uint8_t kFirstPacketBit = 0x02;
} // namespace RtpFormatVideoGeneric
class RtpPacketizerGeneric : public RtpPacketizer {
// Initialize with payload from encoder.
// The payload_data must be exactly one encoded generic frame.
RtpPacketizerGeneric(FrameType frametype,
size_t max_payload_len,
size_t last_packet_reduction_len);
virtual ~RtpPacketizerGeneric();
// Returns total number of packets to be generated.
size_t SetPayloadData(const uint8_t* payload_data,
size_t payload_size,
const RTPFragmentationHeader* fragmentation) override;
// Get the next payload with generic payload header.
// Write payload and set marker bit of the |packet|.
// Returns true on success, false otherwise.
bool NextPacket(RtpPacketToSend* packet) override;
std::string ToString() override;
const uint8_t* payload_data_;
size_t payload_size_;
const size_t max_payload_len_;
const size_t last_packet_reduction_len_;
FrameType frame_type_;
size_t payload_len_per_packet_;
uint8_t generic_header_;
// Number of packets yet to be retrieved by NextPacket() call.
size_t num_packets_left_;
// Number of packets, which will be 1 byte more than the rest.
size_t num_larger_packets_;
// Depacketizer for generic codec.
class RtpDepacketizerGeneric : public RtpDepacketizer {
virtual ~RtpDepacketizerGeneric() {}
bool Parse(ParsedPayload* parsed_payload,
const uint8_t* payload_data,
size_t payload_data_length) override;
} // namespace webrtc