1 /* 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3 * 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 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef MODULES_VIDEO_CODING_PACKET_H_ 12 #define MODULES_VIDEO_CODING_PACKET_H_ 13 14 #include <stddef.h> 15 #include <stdint.h> 16 17 #include "absl/types/optional.h" 18 #include "api/rtp_headers.h" 19 #include "api/rtp_packet_info.h" 20 #include "api/units/timestamp.h" 21 #include "api/video/video_frame_type.h" 22 #include "modules/rtp_rtcp/source/rtp_generic_frame_descriptor.h" 23 #include "modules/rtp_rtcp/source/rtp_video_header.h" 24 25 namespace webrtc { 26 27 // Used to indicate if a received packet contain a complete NALU (or equivalent) 28 enum VCMNaluCompleteness { 29 kNaluUnset = 0, // Packet has not been filled. 30 kNaluComplete = 1, // Packet can be decoded as is. 31 kNaluStart, // Packet contain beginning of NALU 32 kNaluIncomplete, // Packet is not beginning or end of NALU 33 kNaluEnd, // Packet is the end of a NALU 34 }; 35 36 class VCMPacket { 37 public: 38 VCMPacket(); 39 40 VCMPacket(const uint8_t* ptr, 41 size_t size, 42 const RTPHeader& rtp_header, 43 const RTPVideoHeader& video_header, 44 int64_t ntp_time_ms, 45 Timestamp receive_time); 46 47 ~VCMPacket(); 48 codec()49 VideoCodecType codec() const { return video_header.codec; } width()50 int width() const { return video_header.width; } height()51 int height() const { return video_header.height; } 52 is_first_packet_in_frame()53 bool is_first_packet_in_frame() const { 54 return video_header.is_first_packet_in_frame; 55 } is_last_packet_in_frame()56 bool is_last_packet_in_frame() const { 57 return video_header.is_last_packet_in_frame; 58 } 59 60 uint8_t payloadType; 61 uint32_t timestamp; 62 // NTP time of the capture time in local timebase in milliseconds. 63 int64_t ntp_time_ms_; 64 uint16_t seqNum; 65 const uint8_t* dataPtr; 66 size_t sizeBytes; 67 bool markerBit; 68 int timesNacked; 69 70 VCMNaluCompleteness completeNALU; // Default is kNaluIncomplete. 71 bool insertStartCode; // True if a start code should be inserted before this 72 // packet. 73 RTPVideoHeader video_header; 74 absl::optional<RtpGenericFrameDescriptor> generic_descriptor; 75 76 RtpPacketInfo packet_info; 77 }; 78 79 } // namespace webrtc 80 #endif // MODULES_VIDEO_CODING_PACKET_H_ 81