/*
 * Copyright (C) 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

syntax = "proto2";

package android.stats.camera;

option java_package = "android.stats.camera";
option java_outer_classname = "CameraProtos";

/**
 * CameraStreamProto from atoms.proto, duplicated here so that it's accessible from the
 * logging code. Must be kept in sync with the definition in atoms.proto.
 */
message CameraStreamProto {
    // The stream width (in pixels)
    optional int32 width = 1;
    // The stream height (in pixels)
    optional int32 height = 2;
    // The format of the stream
    optional int32 format = 3;
    // The dataspace of the stream
    optional int32 data_space = 4;
    // The usage flag of the stream
    optional int64 usage = 5;

    // The number of requests for this stream
    optional int64 request_count = 6;
    // The number of buffer error for this stream
    optional int64 error_count = 7;
    // The capture latency of first request for this stream
    optional int32 first_capture_latency_millis = 8;

    // The maximum number of hal buffers
    optional int32 max_hal_buffers = 9;
    // The maximum number of app buffers
    optional int32 max_app_buffers = 10;

    // Type of stream histogram
    // 1: Capture latency: bin size in milliseconds
    enum HistogramType {
        UNKNOWN = 0;
        CAPTURE_LATENCY = 1;
    }
    optional HistogramType histogram_type = 11;
    // The boundary values between histogram bins
    // Expected number of fields: 9
    repeated float histogram_bins = 12;
    // The frame counts for each histogram bins
    // Expected number of fields: 10
    repeated int64 histogram_counts = 13;
}