34852cf707
The H264SpsPpsTracker class:
- Keeps track of all received SPS/PPS.
- Decides whether a packet should be inserted into the PacketBuffer or not.
- Don't insert if this packet only contains SPS and/or PPS.
- Don't insert if this is the first packet of and IDR and we have not
received the required SPS/PPS.
- Insert start codes, and in the case of the first packet of an IDR prepend
the bitstream with the given SPS/PPS for this IDR.
BUG=webrtc:5514
Review-Url: https://codereview.webrtc.org/2466993003
Cr-Commit-Position: refs/heads/master@{#14906}
50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
/*
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* Copyright (c) 2016 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_H264_SPS_PPS_TRACKER_H_
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#define WEBRTC_MODULES_VIDEO_CODING_H264_SPS_PPS_TRACKER_H_
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#include <cstdint>
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#include <map>
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#include <memory>
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#include "webrtc/modules/include/module_common_types.h"
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namespace webrtc {
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class VCMPacket;
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namespace video_coding {
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class H264SpsPpsTracker {
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public:
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bool CopyAndFixBitstream(VCMPacket* packet);
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private:
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struct PpsInfo {
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int sps_id = -1;
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size_t size = 0;
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std::unique_ptr<uint8_t[]> data;
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};
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struct SpsInfo {
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size_t size = 0;
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std::unique_ptr<uint8_t[]> data;
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};
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std::map<uint32_t, PpsInfo> pps_data_;
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std::map<uint32_t, SpsInfo> sps_data_;
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};
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} // namespace video_coding
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} // namespace webrtc
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#endif // WEBRTC_MODULES_VIDEO_CODING_H264_SPS_PPS_TRACKER_H_
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