381da4be9c
Refers to the duration in time of the frames which are ready to be sent to the decoder. Review URL: https://webrtc-codereview.appspot.com/1319004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@3903 4adac7df-926f-26a2-2b94-8c16560cd09d
73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
/*
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* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_VIDEO_CODING_MAIN_SOURCE_STREAM_GENERATOR_H_
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#define WEBRTC_MODULES_VIDEO_CODING_MAIN_SOURCE_STREAM_GENERATOR_H_
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#include <string.h>
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#include <list>
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#include "webrtc/modules/video_coding/main/source/packet.h"
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#include "webrtc/modules/video_coding/main/test/test_util.h"
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namespace webrtc {
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const unsigned int kDefaultBitrateKbps = 1000;
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enum { kDefaultFrameRate = 25u };
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const unsigned int kMaxPacketSize = 1500;
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const unsigned int kFrameSize = (kDefaultBitrateKbps + kDefaultFrameRate * 4) /
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(kDefaultFrameRate * 8);
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enum { kDefaultFramePeriodMs = 1000u / kDefaultFrameRate };
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class StreamGenerator {
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public:
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StreamGenerator(uint16_t start_seq_num, uint32_t start_timestamp,
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int64_t current_time);
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void Init(uint16_t start_seq_num, uint32_t start_timestamp,
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int64_t current_time);
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void GenerateFrame(FrameType type, int num_media_packets,
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int num_empty_packets, int64_t current_time);
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VCMPacket GeneratePacket(uint16_t sequence_number,
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uint32_t timestamp,
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unsigned int size,
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bool first_packet,
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bool marker_bit,
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FrameType type);
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bool PopPacket(VCMPacket* packet, int index);
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bool GetPacket(VCMPacket* packet, int index);
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bool NextPacket(VCMPacket* packet);
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uint16_t NextSequenceNumber() const;
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int PacketsRemaining() const;
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private:
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std::list<VCMPacket>::iterator GetPacketIterator(int index);
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std::list<VCMPacket> packets_;
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uint16_t sequence_number_;
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uint32_t timestamp_;
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int64_t start_time_;
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uint8_t packet_buffer[kMaxPacketSize];
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DISALLOW_COPY_AND_ASSIGN(StreamGenerator);
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_VIDEO_CODING_MAIN_SOURCE_STREAM_GENERATOR_H_
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