common/Common.cpp

// Copyright 2021 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <v4l2_codec2/common/Common.h>

#include <base/numerics/safe_math.h>

namespace android {

bool contains(const Rect& rect1, const Rect& rect2) {
    return (rect2.left >= rect1.left && rect2.right <= rect1.right && rect2.top >= rect1.top &&
            rect2.bottom <= rect1.bottom);
}

std::string toString(const Rect& rect) {
    return std::string("(") + std::to_string(rect.left) + "," + std::to_string(rect.top) + ") " +
           std::to_string(rect.width()) + "x" + std::to_string(rect.height());
}

std::optional<int> getArea(const ui::Size& size) {
    base::CheckedNumeric<int> checked_area = size.width;
    checked_area *= size.height;
    return checked_area.IsValid() ? std::optional<int>(checked_area.ValueOrDie()) : std::nullopt;
}

bool isEmpty(const ui::Size& size) {
    return !size.width || !size.height;
}

std::string toString(const ui::Size& size) {
    return std::to_string(size.width) + "x" + std::to_string(size.height);
}

// Check whether the specified profile is a valid profile for the specified codec.
bool isValidProfileForCodec(VideoCodec codec, C2Config::profile_t profile) {
    switch (codec) {
    case VideoCodec::H264:
        return ((profile >= C2Config::PROFILE_AVC_BASELINE) &&
                (profile <= C2Config::PROFILE_AVC_ENHANCED_MULTIVIEW_DEPTH_HIGH));
    case VideoCodec::VP8:
        return ((profile >= C2Config::PROFILE_VP8_0) && (profile <= C2Config::PROFILE_VP8_3));
    case VideoCodec::VP9:
        return ((profile >= C2Config::PROFILE_VP9_0) && (profile <= C2Config::PROFILE_VP9_3));
    case VideoCodec::HEVC:
        return ((profile >= C2Config::PROFILE_HEVC_MAIN) &&
                (profile <= C2Config::PROFILE_HEVC_3D_MAIN));
    default:
        return false;
    }
}

}  // namespace android