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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Internal message types that should not be seen outside the protocol
// directory.
syntax = "proto2";
option optimize_for = LITE_RUNTIME;
package remoting;
// Next Id: 19
message FrameStatsMessage {
// Frame ID.
optional uint32 frame_id = 1;
// Frame size.
optional int32 frame_size = 2;
// Id of the last event that was injected before this frame was captured.
optional int64 latest_event_timestamp = 3;
// Time from when the last event was injected until capturing has started.
optional int32 capture_pending_time_ms = 4;
// Time in milliseconds spent in capturing this video frame.
optional int32 capture_time_ms = 5;
// Total overhead time for IPC and threading when capturing frames.
optional int32 capture_overhead_time_ms = 6;
// Time between when the frame was captured and when encoding started.
optional int32 encode_pending_time_ms = 7;
// Time in milliseconds spent in encoding this video frame.
optional int32 encode_time_ms = 8;
// Time for which the frame is blocked until it's sent to the client.
optional int32 send_pending_time_ms = 9;
// Current network RTT estimate.
optional int32 rtt_estimate_ms = 10;
// Current bandwidth estimate in kb/s.
optional int32 bandwidth_estimate_kbps = 11;
// The capturer Id to indicate the implementation of ScreenCapturer that
// generates this frame.
optional uint32 capturer_id = 12;
// A simple indication of the quality of the frame, scored between 0 and 100,
// with 100 representing a lossless encoded frame.
optional uint32 frame_quality = 13;
// The screen ID of the desktop-capturer that captured this frame. The value
// matches the corresponding field of the VideoTrackLayout for the stream.
optional int64 screen_id = 14;
// Codec used to encode the frame.
enum VideoCodec {
UNKNOWN = 0;
VP8 = 1;
VP9 = 2;
AV1 = 3;
H264 = 4;
}
optional VideoCodec codec = 15 [default = UNKNOWN];
// Video codec profile.
optional int32 profile = 16;
// Estimated width/height of the areas of screen that have changed since
// last frame.
optional int32 encoded_rect_width = 17;
optional int32 encoded_rect_height = 18;
}
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