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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_FORMAT_H264_H_ | 11 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_FORMAT_H264_H_ |
12 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_FORMAT_H264_H_ | 12 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_FORMAT_H264_H_ |
13 | 13 |
14 #include <deque> | 14 #include <deque> |
15 #include <memory> | |
16 #include <queue> | 15 #include <queue> |
17 #include <string> | 16 #include <string> |
18 | 17 |
19 #include "webrtc/base/buffer.h" | 18 #include "webrtc/base/buffer.h" |
20 #include "webrtc/base/constructormagic.h" | 19 #include "webrtc/base/constructormagic.h" |
21 #include "webrtc/modules/rtp_rtcp/source/rtp_format.h" | 20 #include "webrtc/modules/rtp_rtcp/source/rtp_format.h" |
22 | 21 |
23 namespace webrtc { | 22 namespace webrtc { |
24 | 23 |
25 class RtpPacketizerH264 : public RtpPacketizer { | 24 class RtpPacketizerH264 : public RtpPacketizer { |
26 public: | 25 public: |
27 // Initialize with payload from encoder. | 26 // Initialize with payload from encoder. |
28 // The payload_data must be exactly one encoded H264 frame. | 27 // The payload_data must be exactly one encoded H264 frame. |
29 RtpPacketizerH264(size_t max_payload_len, | 28 RtpPacketizerH264(FrameType frame_type, size_t max_payload_len); |
30 H264PacketizationMode packetization_mode); | |
31 | 29 |
32 virtual ~RtpPacketizerH264(); | 30 virtual ~RtpPacketizerH264(); |
33 | 31 |
34 void SetPayloadData(const uint8_t* payload_data, | 32 void SetPayloadData(const uint8_t* payload_data, |
35 size_t payload_size, | 33 size_t payload_size, |
36 const RTPFragmentationHeader* fragmentation) override; | 34 const RTPFragmentationHeader* fragmentation) override; |
37 | 35 |
38 // Get the next payload with H264 payload header. | 36 // Get the next payload with H264 payload header. |
39 // buffer is a pointer to where the output will be written. | 37 // buffer is a pointer to where the output will be written. |
40 // bytes_to_send is an output variable that will contain number of bytes | 38 // bytes_to_send is an output variable that will contain number of bytes |
(...skipping 43 matching lines...) Loading... |
84 const Fragment source_fragment; | 82 const Fragment source_fragment; |
85 bool first_fragment; | 83 bool first_fragment; |
86 bool last_fragment; | 84 bool last_fragment; |
87 bool aggregated; | 85 bool aggregated; |
88 uint8_t header; | 86 uint8_t header; |
89 }; | 87 }; |
90 | 88 |
91 void GeneratePackets(); | 89 void GeneratePackets(); |
92 void PacketizeFuA(size_t fragment_index); | 90 void PacketizeFuA(size_t fragment_index); |
93 size_t PacketizeStapA(size_t fragment_index); | 91 size_t PacketizeStapA(size_t fragment_index); |
94 void PacketizeSingleNalu(size_t fragment_index); | |
95 void NextAggregatePacket(uint8_t* buffer, size_t* bytes_to_send); | 92 void NextAggregatePacket(uint8_t* buffer, size_t* bytes_to_send); |
96 void NextFragmentPacket(uint8_t* buffer, size_t* bytes_to_send); | 93 void NextFragmentPacket(uint8_t* buffer, size_t* bytes_to_send); |
97 | 94 |
98 const size_t max_payload_len_; | 95 const size_t max_payload_len_; |
99 const H264PacketizationMode packetization_mode_; | |
100 std::deque<Fragment> input_fragments_; | 96 std::deque<Fragment> input_fragments_; |
101 std::queue<PacketUnit> packets_; | 97 std::queue<PacketUnit> packets_; |
102 | 98 |
103 RTC_DISALLOW_COPY_AND_ASSIGN(RtpPacketizerH264); | 99 RTC_DISALLOW_COPY_AND_ASSIGN(RtpPacketizerH264); |
104 }; | 100 }; |
105 | 101 |
106 // Depacketizer for H264. | 102 // Depacketizer for H264. |
107 class RtpDepacketizerH264 : public RtpDepacketizer { | 103 class RtpDepacketizerH264 : public RtpDepacketizer { |
108 public: | 104 public: |
109 RtpDepacketizerH264(); | 105 RtpDepacketizerH264(); |
110 virtual ~RtpDepacketizerH264(); | 106 virtual ~RtpDepacketizerH264(); |
111 | 107 |
112 bool Parse(ParsedPayload* parsed_payload, | 108 bool Parse(ParsedPayload* parsed_payload, |
113 const uint8_t* payload_data, | 109 const uint8_t* payload_data, |
114 size_t payload_data_length) override; | 110 size_t payload_data_length) override; |
115 | 111 |
116 private: | 112 private: |
117 bool ParseFuaNalu(RtpDepacketizer::ParsedPayload* parsed_payload, | 113 bool ParseFuaNalu(RtpDepacketizer::ParsedPayload* parsed_payload, |
118 const uint8_t* payload_data); | 114 const uint8_t* payload_data); |
119 bool ProcessStapAOrSingleNalu(RtpDepacketizer::ParsedPayload* parsed_payload, | 115 bool ProcessStapAOrSingleNalu(RtpDepacketizer::ParsedPayload* parsed_payload, |
120 const uint8_t* payload_data); | 116 const uint8_t* payload_data); |
121 | 117 |
122 size_t offset_; | 118 size_t offset_; |
123 size_t length_; | 119 size_t length_; |
124 std::unique_ptr<rtc::Buffer> modified_buffer_; | 120 std::unique_ptr<rtc::Buffer> modified_buffer_; |
125 }; | 121 }; |
126 } // namespace webrtc | 122 } // namespace webrtc |
127 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_FORMAT_H264_H_ | 123 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_FORMAT_H264_H_ |
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