| /* |
| * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef WEBRTC_API_VIDEO_VIDEO_TIMING_H_ |
| #define WEBRTC_API_VIDEO_VIDEO_TIMING_H_ |
| |
| #include <stdint.h> |
| #include <limits> |
| #include "webrtc/base/checks.h" |
| #include "webrtc/base/safe_conversions.h" |
| |
| namespace webrtc { |
| |
| // Video timing timstamps in ms counted from capture_time_ms of a frame. |
| struct VideoTiming { |
| static const uint8_t kEncodeStartDeltaIdx = 0; |
| static const uint8_t kEncodeFinishDeltaIdx = 1; |
| static const uint8_t kPacketizationFinishDeltaIdx = 2; |
| static const uint8_t kPacerExitDeltaIdx = 3; |
| static const uint8_t kNetworkTimestampDeltaIdx = 4; |
| static const uint8_t kNetwork2TimestampDeltaIdx = 5; |
| |
| // Returns |time_ms - base_ms| capped at max 16-bit value. |
| // Used to fill this data structure as per |
| // https://webrtc.org/experiments/rtp-hdrext/video-timing/ extension stores |
| // 16-bit deltas of timestamps from packet capture time. |
| static uint16_t GetDeltaCappedMs(int64_t base_ms, int64_t time_ms) { |
| RTC_DCHECK_GE(time_ms, base_ms); |
| return rtc::saturated_cast<uint16_t>(time_ms - base_ms); |
| } |
| |
| uint16_t encode_start_delta_ms; |
| uint16_t encode_finish_delta_ms; |
| uint16_t packetization_finish_delta_ms; |
| uint16_t pacer_exit_delta_ms; |
| uint16_t network_timstamp_delta_ms; |
| uint16_t network2_timstamp_delta_ms; |
| bool is_timing_frame; |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // WEBRTC_API_VIDEO_VIDEO_TIMING_H_ |