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/video/video_frame_type.h" 21 #include "modules/rtp_rtcp/source/rtp_generic_frame_descriptor.h" 22 #include "modules/rtp_rtcp/source/rtp_video_header.h" 23 24 namespace webrtc { 25 26 // Used to indicate if a received packet contain a complete NALU (or equivalent) 27 enum VCMNaluCompleteness { 28 kNaluUnset = 0, // Packet has not been filled. 29 kNaluComplete = 1, // Packet can be decoded as is. 30 kNaluStart, // Packet contain beginning of NALU 31 kNaluIncomplete, // Packet is not beginning or end of NALU 32 kNaluEnd, // Packet is the end of a NALU 33 }; 34 35 class VCMPacket { 36 public: 37 VCMPacket(); 38 39 VCMPacket(const uint8_t* ptr, 40 size_t size, 41 const RTPHeader& rtp_header, 42 const RTPVideoHeader& video_header, 43 int64_t ntp_time_ms, 44 int64_t receive_time_ms); 45 46 ~VCMPacket(); 47 codec()48 VideoCodecType codec() const { return video_header.codec; } width()49 int width() const { return video_header.width; } height()50 int height() const { return video_header.height; } 51 is_first_packet_in_frame()52 bool is_first_packet_in_frame() const { 53 return video_header.is_first_packet_in_frame; 54 } is_last_packet_in_frame()55 bool is_last_packet_in_frame() const { 56 return video_header.is_last_packet_in_frame; 57 } 58 59 uint8_t payloadType; 60 uint32_t timestamp; 61 // NTP time of the capture time in local timebase in milliseconds. 62 int64_t ntp_time_ms_; 63 uint16_t seqNum; 64 const uint8_t* dataPtr; 65 size_t sizeBytes; 66 bool markerBit; 67 int timesNacked; 68 69 VCMNaluCompleteness completeNALU; // Default is kNaluIncomplete. 70 bool insertStartCode; // True if a start code should be inserted before this 71 // packet. 72 RTPVideoHeader video_header; 73 absl::optional<RtpGenericFrameDescriptor> generic_descriptor; 74 75 RtpPacketInfo packet_info; 76 }; 77 78 } // namespace webrtc 79 #endif // MODULES_VIDEO_CODING_PACKET_H_ 80