// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QFFMPEGDEFS_P_H
#define QFFMPEGDEFS_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "qtconfigmacros.h"

#include <limits>
#include <unordered_set>

extern "C" {
#include <libavformat/avformat.h>
#include <libavcodec/avcodec.h>
#include <libswresample/swresample.h>
#include <libavutil/avutil.h>
#include <libswscale/swscale.h>
}

#define QT_FFMPEG_HAS_AV_CHANNEL_LAYOUT \
    (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(59, 24, 100)) // since FFmpeg n5.1
#define QT_FFMPEG_HAS_VULKAN \
    (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(58, 91, 100)) // since FFmpeg n4.3
#define QT_FFMPEG_HAS_FRAME_TIME_BASE \
    (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(59, 18, 100)) // since FFmpeg n5.0
#define QT_FFMPEG_HAS_FRAME_DURATION \
    (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(60, 3, 100)) // since FFmpeg n6.0
#define QT_FFMPEG_STREAM_SIDE_DATA_DEPRECATED \
    (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(60, 15, 100)) // since FFmpeg n6.1
#define QT_FFMPEG_HAS_D3D12VA \
    (LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(59, 8, 100)) // since FFmpeg n7.0
#define QT_FFMPEG_SWR_CONST_CH_LAYOUT \
    (LIBSWRESAMPLE_VERSION_INT >= AV_VERSION_INT(4, 9, 100))
#define QT_FFMPEG_AVIO_WRITE_CONST \
    (LIBAVFORMAT_VERSION_MAJOR >= 61)
#define QT_CODEC_PARAMETERS_HAVE_FRAMERATE \
    (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(60, 11, 100)) // since FFmpeg n6.1
#define QT_FFMPEG_HAS_AVCODEC_GET_SUPPORTED_CONFIG \
    (LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(59, 39, 100)) // since FFmpeg n7.1
#define QT_FFMPEG_HAS_SWS_FLAGS_ENUM \
    (LIBSWSCALE_VERSION_INT >= AV_VERSION_INT(9, 1, 100)) // since FFmpeg n8.0

QT_BEGIN_NAMESPACE

namespace QFFmpeg {

#if QT_FFMPEG_HAS_AV_CHANNEL_LAYOUT
using ChannelLayoutT = AVChannelLayout;
#else
using ChannelLayoutT = uint64_t;
#endif

#if !QT_FFMPEG_HAS_SWS_FLAGS_ENUM
using SwsFlags = int;
#endif

} // namespace QFFmpeg

using PixelOrSampleFormat = int;
using AVScore = int;
constexpr AVScore BestAVScore = std::numeric_limits<AVScore>::max();
constexpr AVScore DefaultAVScore = 0;
constexpr AVScore NotSuitableAVScore = std::numeric_limits<AVScore>::min();
constexpr AVScore MinAVScore = NotSuitableAVScore + 1;

using AVPixelFormatSet = std::unordered_set<AVPixelFormat>;

QT_END_NAMESPACE

#endif // QFFMPEGDEFS_P_H
