FFmpegAudioEncoder.h

Go to the documentation of this file.

#pragma once
#include "HephAudioShared.h"
#include "FFmpegAudioShared.h"
#include "IAudioEncoder.h"
#include "AudioBuffer.h"
#include "FFmpegEncodedAudioBuffer.h"
#include <string>
 
namespace HephAudio
{
    class HEPH_API FFmpegAudioEncoder final : public IAudioEncoder
    {
    private:
        AudioFormatInfo outputFormatInfo;
        AVFormatContext* avFormatContext;
        AVIOContext* avIoContext;
        AVStream* avStream;
        AVCodecContext* avCodecContext;
        SwrContext* swrContext;
        AVFrame* avFrame;
        AVPacket* avPacket;
 
    public:
        FFmpegAudioEncoder();
        
        FFmpegAudioEncoder(const std::filesystem::path& filePath, const AudioFormatInfo& outputFormatInfo, bool overwrite);
 
        FFmpegAudioEncoder(FFmpegAudioEncoder&& rhs) noexcept;
 
        FFmpegAudioEncoder(const FFmpegAudioEncoder&) = delete;
 
        ~FFmpegAudioEncoder();
 
        FFmpegAudioEncoder& operator=(const FFmpegAudioEncoder&) = delete;
        FFmpegAudioEncoder& operator=(FFmpegAudioEncoder&& rhs) noexcept;
        void ChangeFile(const std::filesystem::path& newAudioFilePath, const AudioFormatInfo& outputFormatInfo, bool overwrite) override;
        void CloseFile() override;
        bool IsFileOpen() const override;
        void Encode(const AudioBuffer& bufferToEncode) override;
        void Encode(const AudioBuffer& inputBuffer, EncodedAudioBuffer& outputBuffer) override;
        void Transcode(const EncodedAudioBuffer& inputBuffer, EncodedAudioBuffer& outputBuffer) override;
        static void Transcode(const std::filesystem::path& inputFilePath, const std::filesystem::path& outputFilePath, bool overwrite);
        static void Transcode(const std::filesystem::path& inputFilePath, const std::filesystem::path& outputFilePath, AudioFormatInfo outputFormatInfo, bool overwrite);
 
    private:
        void OpenFile(const std::filesystem::path& filePath, const AudioFormatInfo& outputFormatInfo, bool overwrite);
        static void Transcode(void* pDecoder, FFmpegAudioEncoder& encoder);
    };
}