/*
 * Copyright (C) 2020, KylinSoft Co., Ltd.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
#ifndef AUDIOENCODER_H
#define AUDIOENCODER_H

#include "AV/output/BaseEncoder.h"

class AudioEncoder : public BaseEncoder {

private:
    struct SampleFormatData {
      QString m_name;
      AVSampleFormat m_format;
    };

private:
    static const std::vector<SampleFormatData> SUPPORTED_SAMPLE_FORMATS;
    static const unsigned int DEFAULT_FRAME_SAMPLES;

private:
#if !SSR_USE_AVCODEC_ENCODE_AUDIO2
    std::vector<uint8_t> m_temp_buffer;
#endif

public:
    AudioEncoder(Muxer* muxer, AVStream* stream, AVCodecContext* codec_context, AVCodec* codec, AVDictionary** options);
    ~AudioEncoder();

    unsigned int GetFrameSize();

    AVSampleFormat GetSampleFormat();

    unsigned int GetChannels();

    unsigned int GetSampleRate();

public:
    static bool AVCodecIsSupported(const QString& codec_name);
    static void PrepareStream(AVStream* stream, AVCodecContext* codec_context, AVCodec* codec, AVDictionary** options, const std::vector<std::pair<QString, QString>>& codec_options,
                              unsigned int bit_rate, unsigned int channels, unsigned int sample_rate);

private:
    virtual bool EncodeFrame(AVFrameWrapper *frame) override;

};

#endif // AUDIOENCODER_H
