#define _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>

#include <vector>
#include <deque>

#define _CRT_SECURE_NO_WARNINGS


#include "IO/Mouse.h"
#include "GUI/GUIWindow.h"
#include "Engine/mm7_data.h"
#include "Media/Audio/OpenALSoundProvider.h"
#include "Engine/Log.h"
#include "MediaPlayer.h"
#include "Media/Video/Bink_Smacker.h"
#include "Media/Audio/AudioPlayer.h"
#include "Engine/Timer.h"
#include "Engine/Graphics/Render.h"
#include "Engine/Game.h"
#include "Engine/MMT.h"


#pragma comment(lib, "Version.lib")

using namespace Media;

Media::MPlayer *pMediaPlayer = nullptr;
Media::IMovie *pMovie_Track;
Media::ITrack *pAudio_Track;
Movie *movie;

int mSourceID;

void PlayMovie(const wchar_t * pFilename);
void PlayAudio(const wchar_t * pFilename);
void LoadMovie(const char *);
 
class MemoryStream 
{
  public:
    inline MemoryStream(void *data, size_t data_size)
    {
      this->data_size = data_size;
      this->data = data;
      this->current_pos = 0;
    }
    inline MemoryStream()
    {
      this->data_size = 0;
      this->data = nullptr;
      this->current_pos = 0;
    }

    inline ~MemoryStream()
    {
      //Log::Warning(L"Destructor: data delete %u", data);
      if (data)
        delete [] data;
    }

    inline size_t Write(void *buffer, size_t num_bytes)
    {
      if (!data)
      {
        data_size = 32 + num_bytes;
        data = new char[data_size];
        //Log::Warning(L"new data %u", data);
        current_pos = 0;
      }
      else if (current_pos + num_bytes >= data_size)
      {
        int  new_data_size = data_size + num_bytes + data_size / 8 + 4;
        auto new_data = new char[new_data_size];
        //Log::Warning(L"new new_data %u", new_data);

        memcpy(new_data, data, data_size);
        //Log::Warning(L"data delete %u", data);
        delete [] data;

        data_size = new_data_size;
        data = new_data;
      }
      memcpy((char *)data + current_pos, buffer, num_bytes);
      current_pos += num_bytes;
      return num_bytes;
    }

    inline size_t Read(void *buffer, size_t num_bytes)
    {
      size_t read_size = min(num_bytes, data_size - current_pos);
      if (read_size)
      {
        memcpy(buffer, (char *)data + current_pos, read_size);
        current_pos += read_size;
      }
      return read_size;
    }

    inline void Reset()
    {
      current_pos = 0;
    }
    inline void SeekToEnd()
    {
      current_pos = data_size;
    }

    inline size_t Unwind(size_t bytes)
    {
      if (bytes > current_pos)
        current_pos = 0;
      else
        current_pos -= bytes;
      return current_pos;
    }
    
    inline size_t Rewind(size_t bytes)
    {
      if (current_pos + bytes >= data_size)
        current_pos = data_size;
      else
        current_pos += bytes;
      return current_pos;
    }

    inline size_t  Size() const    {return data_size;}
    inline size_t  Current() const {return current_pos;}
    inline void   *Ptr() const     {return data;}

  private:
    void   *data;
    size_t  data_size;
    size_t  current_pos;
};

OpenALSoundProvider *provider = nullptr;

static int av_num_bytes_per_sample(AVSampleFormat sample_fmt)
{
  switch (sample_fmt)
  {
    case AV_SAMPLE_FMT_U8:
    case AV_SAMPLE_FMT_U8P:
      return 1;
          
    case AV_SAMPLE_FMT_S16:
    case AV_SAMPLE_FMT_S16P:
      return 2;

    case AV_SAMPLE_FMT_S32:
    case AV_SAMPLE_FMT_S32P:
    case AV_SAMPLE_FMT_FLT:
    case AV_SAMPLE_FMT_FLTP:
      return 4;

    case AV_SAMPLE_FMT_DBL:
    case AV_SAMPLE_FMT_DBLP:
      return 8;

    default:
    case AV_SAMPLE_FMT_NONE:
      Error("Invalid av sample format: %u", sample_fmt);
  }
  return 0;
}

struct AVStreamWrapper
{
  inline AVStreamWrapper()
  {
    this->type = AVMEDIA_TYPE_UNKNOWN;
    this->stream_idx = -1;
    this->stream = nullptr;
    this->dec = nullptr;
    this->dec_ctx = nullptr;
  }

  inline void Release()
  {
    type = AVMEDIA_TYPE_UNKNOWN;
    stream_idx = -1;
    stream = nullptr;
    dec = nullptr;
    if (dec_ctx)
    {
	  // Close the codec
      avcodec_close(dec_ctx);
	  Log::Warning(L"close decoder context file\n");
      dec_ctx = nullptr;
    }
  }

  AVMediaType      type;
  int              stream_idx;
  AVStream        *stream;
  AVCodec         *dec;
  AVCodecContext  *dec_ctx;
};

struct AVAudioStream: public AVStreamWrapper
{
  inline AVAudioStream():AVStreamWrapper()
  {
    this->bytes_per_sample = 0;
    this->bytes_per_second = 0;
  }

  int bytes_per_sample;
  int bytes_per_second;
};

struct AVVideoStream: public AVStreamWrapper
{
  inline AVVideoStream(): AVStreamWrapper()
  {
    this->frames_per_second = 0.0;
  }

  double frames_per_second;
};

static bool av_open_stream(AVFormatContext *format_ctx, AVMediaType type, AVStreamWrapper *out_stream)
{
  int stream_idx = av_find_best_stream(format_ctx, type, -1, -1, nullptr, 0);
  if (stream_idx >= 0)
  {
    auto stream = format_ctx->streams[stream_idx];
    auto dec_ctx = stream->codec;

	// Find the decoder for the video stream
    auto dec = avcodec_find_decoder(dec_ctx->codec_id);
    if (dec)
    {
	  // Open codec
      if (avcodec_open2(dec_ctx, dec, nullptr) >= 0)
      {
        out_stream->type = type;
        out_stream->stream_idx = stream_idx;
        out_stream->stream = stream;
        out_stream->dec = dec;
        out_stream->dec_ctx = dec_ctx;
        return true;
      }
      fprintf(stderr, "ffmpeg: Could not open codec\n");
	  return false;
    }
    fprintf(stderr, "ffmpeg: Unable to open codec\n");
	return false;
  }
  fprintf(stderr, "ffmpeg: Didn't find a stream\n");
  return false;	
}

static bool av_open_audio_stream(AVFormatContext *format_ctx, AVAudioStream *out_stream)
{
  if (av_open_stream(format_ctx, AVMEDIA_TYPE_AUDIO, out_stream))
    //return Error("Audio stream not found"), false;
  
  // we support only 2-channel audio for now
  //if (out_stream->dec_ctx->channels != 2)
  //{
   // out_stream->Release();
   // return Error("Unsupported number of channels: %u", out_stream->dec_ctx->channels), false;
  //}
  {
  out_stream->bytes_per_sample = av_num_bytes_per_sample(out_stream->dec_ctx->sample_fmt);
  out_stream->bytes_per_second = out_stream->dec_ctx->channels * out_stream->dec_ctx->sample_rate * out_stream->bytes_per_sample;
  }
  return true;
}

static bool av_open_video_stream(AVFormatContext *format_ctx, AVVideoStream *out_stream)
{
  if (!av_open_stream(format_ctx, AVMEDIA_TYPE_VIDEO, out_stream))
    return Error("Video stream not found"), false;

  out_stream->frames_per_second = (double)out_stream->dec_ctx->time_base.den / (double)out_stream->dec_ctx->time_base.num;
  return true;
}

void InterleaveAudioData(MemoryStream *stream, AVSampleFormat src_format, int num_channels, int num_samples, uint8_t **channels)
{
  unsigned int bytes_per_sample;
  switch (src_format)
  {
    case AV_SAMPLE_FMT_U8:
    case AV_SAMPLE_FMT_U8P:
      __debugbreak();

    case AV_SAMPLE_FMT_S16:
      bytes_per_sample = sizeof(__int16);
      stream->Write(channels[0], num_channels * num_samples * bytes_per_sample);
    break;

    case AV_SAMPLE_FMT_S16P:
    {
      bytes_per_sample = sizeof(__int16);
      for (int i = 0; i < num_samples; ++i)
        for (int j = 0; j < num_channels; ++j)
          stream->Write(channels[j] + i * bytes_per_sample, bytes_per_sample);
    }
    break;

    case AV_SAMPLE_FMT_FLT:
    {
      SwrContext *converter = swr_alloc();
      av_opt_set_int(converter, "in_channel_layout",    av_get_default_channel_layout(2), 0);
      //av_opt_set_int(converter, "in_sample_rate",       sample_ra, 0);
      av_opt_set_sample_fmt(converter, "in_sample_fmt", AV_SAMPLE_FMT_FLT, 0);

      av_opt_set_int(converter, "out_channel_layout",    av_get_default_channel_layout(2), 0);
      //av_opt_set_int(converter, "out_sample_rate",       dst_sample_rate, 0);
      av_opt_set_sample_fmt(converter, "out_sample_fmt", AV_SAMPLE_FMT_S16, 0);

      if (swr_init(converter) < 0)
      {
        __debugbreak();
        swr_free(&converter);
        return;
      }

      uint8_t **dst_channels;
      int       dst_linesize[8];
      //int dst_nb_channels = av_get_channel_layout_nb_channels(dst_channel_layout);
      if (av_samples_alloc_array_and_samples(&dst_channels, dst_linesize, 2, num_channels * num_samples, AV_SAMPLE_FMT_S16, 0) < 0)
      {
        __debugbreak();
        swr_free(&converter);
        return;
      }

      if (swr_convert(converter, dst_channels, num_channels * num_samples, (const uint8_t **)channels, num_channels * num_samples) >= 0) //Invalid partial memory access, Uninitialized memory access

        stream->Write(dst_channels[0], num_channels * num_samples * sizeof(__int16));
      else
        __debugbreak();

      av_free(dst_channels[0]);
      swr_free(&converter);
    }
    break;

    default:
      __debugbreak();
      //if (Resample(next_frame->avframe, next_frame->avframe->channel_layout, next_frame->avframe->sample_rate,
      //                                            av_get_default_channel_layout(2),    next_frame->avframe->sample_rate, AV_SAMPLE_FMT_S16P, resampled_data))
  }
}

const uint16_t ff_wma_critical_freqs[25] = {
    100,   200,  300, 400,   510,  630,  770,    920,
    1080, 1270, 1480, 1720, 2000, 2320, 2700,   3150,
    3700, 4400, 5300, 6400, 7700, 9500, 12000, 15500,
    24500,
};
extern const uint16_t ff_wma_critical_freqs[25];
static float quant_table[96];

bool DecodeAudioFrame(AVCodecContext *dec_ctx, AVPacket *avpacket, AVFrame *avframe, MemoryStream *out_audio_data, int *out_num_audio_samples)
{
  volatile int decoded = false;
  do
  {
    if (avcodec_decode_audio4(dec_ctx, avframe, (int *)&decoded, avpacket) < 0)	//Uninitialized portail memory access
    {
      log("Cannot decode audio frame\n");
      return false;
    }

    if (!decoded)
	{
      log("Cannot decode audio frame in one piece\n");
	  break;
	}

  } while (!decoded);

  switch (dec_ctx->codec_id)
  {
    case  AV_CODEC_ID_BINKAUDIO_DCT:
    {
      __debugbreak();	
    }
    case AV_CODEC_ID_BINKAUDIO_RDFT:
    {//pts	samples		dpts
     //    0	960
     //17280	960		17280    18x960
     //18240	960		960       1x960
     //20160	960		1920      2x960
     //21120	960		960       1x960
     //23040	960		1920      2x960
      /*static int bink_next_pts = 0;

        // there's a gap in the sound - fill empty samples in
      if (bink_next_pts < avpacket->pts)
      {
        short silence[1024];
        memset(silence, 0, sizeof(silence));

        int samples_to_fill = /*dec_ctx->channels *  (avpacket->pts - bink_next_pts);
        while (samples_to_fill > 0)
        {
          int samples_to_fill_this_step = samples_to_fill >= 1024 ? 1024 : samples_to_fill;
          out_audio_data->Write(silence, samples_to_fill_this_step  * sizeof(short));

          samples_to_fill -= samples_to_fill_this_step;
        }
      }

      bink_next_pts = avpacket->pts + /*dec_ctx->channels *  avframe->nb_samples; */

  AVFrame frame;
  int first;
  int version_b;
  int frame_len;
  int overlap_len;        
  int block_size;
  int num_bands;
  unsigned int *bands;
  float root;
  int sample_rate = dec_ctx->sample_rate;
  int sample_rate_half;
  int i;
  int frame_len_bits;
  int channels;

  //compresses audio in chunks of varying sizes depending on sample rate:
   // if sample rate < 22050, frame size is 2048 samples
   // if sample rate < 44100, frame size is 4096 samples
   // else, frame size is 8192 samples


  /* determine frame length */
  if (dec_ctx->sample_rate < 22050)
    frame_len_bits = 9;
  else if (dec_ctx->sample_rate < 44100)
    frame_len_bits = 10;
  else
    frame_len_bits = 11;

  if (dec_ctx->channels < 1 || dec_ctx->channels > 2) 
  {
        av_log(dec_ctx, AV_LOG_ERROR, "invalid number of channels: %d\n", dec_ctx->channels);
        return AVERROR_INVALIDDATA;
  }

	  version_b = dec_ctx->extradata_size >= 4 && dec_ctx->extradata[3] == 'b';
      if (version_b)
	    __debugbreak();

      if (dec_ctx->codec->id == AV_CODEC_ID_BINKAUDIO_RDFT)
      {
        // audio is already interleaved for the RDFT format variant
        dec_ctx->sample_fmt = AV_SAMPLE_FMT_FLT;
        sample_rate  *= dec_ctx->channels;
        channels = 1;
        if (!version_b)
          frame_len_bits += av_log2(dec_ctx->channels);
      }
      else
      {
        channels = dec_ctx->channels;
        dec_ctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
      }

	  frame_len     = 1 << frame_len_bits;                          //2048

	  //a frame is windowed with the previous frame; the size of the window is frame size / 16 
      overlap_len   = frame_len / 16;                               //128
      block_size    = (frame_len - overlap_len) * channels;         //1920

	  //compute half the sample rate as (sample rate + 1) / 2;
	  //initialize an array of band frequencies corresponding to an array of 25 critical frequencies (same as WMA, apparently),
	  // any for which the critical frequencies are less than half the sample rate 

      sample_rate_half = (sample_rate + 1) / 2;	                    //22050
      if (dec_ctx->codec->id == AV_CODEC_ID_BINKAUDIO_RDFT)
         root = 2.0 / (sqrt(float(frame_len)) * 32768.0);
      else
         root = frame_len / (sqrt(float(frame_len)) * 32768.0);
      for (i = 0; i < 96; i++) 
	  {
         /* constant is result of 0.066399999/log10(M_E) */
        quant_table[i] = expf(i * 0.15289164787221953823f) * root;
      }
 
       /* calculate number of bands */
	  //bands calculation:
	  //bands[0] = 1;
	  //foreach (i in 1..# of bands-1):
	  //bands[i] = crit_freq[i-1] * (frame length / 2) / (sample rate / 2); 
	  //bands[# of bands] = frame length / 2 
       for (num_bands = 1; num_bands < 25; num_bands++)
         if (sample_rate_half <= ff_wma_critical_freqs[num_bands - 1])
            break;

       bands = (unsigned int *)(av_malloc((num_bands + 1) * sizeof(*bands)));
       if (!bands)
         return AVERROR(ENOMEM);

	   /* populate bands data */
       bands[0] = 2;
       for (i = 1; i < num_bands; i++)
         bands[i] = (ff_wma_critical_freqs[i - 1] * frame_len / sample_rate_half) & ~1;
       bands[num_bands] = frame_len;

       first = 1;

       //ff_rdft_init(&trans.rdft, frame_len_bits, DFT_C2R);

       avcodec_get_frame_defaults(&frame);
       dec_ctx->coded_frame = &frame;
    }
    break;
                /*
      case AV_CODEC_ID_SMACKAUDIO:
      {
        static int smack_debug_next_audio_time = 0;
        if (smack_debug_next_audio_time != packet->pts)
        {
          Error("There's a gap in the sound before frame %u\n", num_audio_frames);
          __debugbreak(); // there's a gap in the sound
        }

        int num_actual_data_channels = 0;
        switch (dec_ctx->sample_fmt)
        {
          case AV_SAMPLE_FMT_U8:
          case AV_SAMPLE_FMT_S16:
          case AV_SAMPLE_FMT_S32:
          case AV_SAMPLE_FMT_FLT:
          case AV_SAMPLE_FMT_DBL:
            num_actual_data_channels = 1;
          break;

          case AV_SAMPLE_FMT_U8P:
          case AV_SAMPLE_FMT_S16P:
          case AV_SAMPLE_FMT_S32P:
          case AV_SAMPLE_FMT_FLTP:
          case AV_SAMPLE_FMT_DBLP:
            num_actual_data_channels = dec_ctx->channels;
          break;

          default:
          case AV_SAMPLE_FMT_NONE:
          case AV_SAMPLE_FMT_NB:
            __debugbreak();
        }

        smack_debug_next_audio_time += dec_ctx->channels * frame->nb_samples * bytes_per_sample;
        Assert(frame->avframe->linesize[0] == audio.dec_ctx->channels * frame->avframe->nb_samples * audio.bytes_per_sample / num_actual_data_channels,
               "Smack audio size mismatch in frame %u in %s\n", audio_num_read_frames, movie_filename);

        frame->play_time = (double)frame->avpacket->pts / (double)audio.bytes_per_second;
      }
      break;

                case AV_CODEC_ID_MP3:
                {
                  static int mp3_samples_decoded_so_far = 0;
                  static int mp3_prev_samples_count = frame->avframe->nb_samples; // mp3 seems to always feed same amount of samples
                  frame->play_time = (double)mp3_samples_decoded_so_far / (double)audio.dec_ctx->sample_rate;

                  mp3_samples_decoded_so_far += frame->avframe->nb_samples;
                  Assert(mp3_prev_samples_count == frame->avframe->nb_samples,
                          "MP3 audio have variable sample count in frame %u in %s\n", audio_num_read_frames, movie_filename);
                }
                break;

                default:
                {
                  __debugbreak();
                  double samples_per_second = (double)audio.dec_ctx->time_base.den / (double)audio.dec_ctx->time_base.num;
                  double play_length = frame->avframe->nb_samples / samples_per_second;
                  frame->play_time = (double)frame->avpacket->pts / samples_per_second;
                }
                break;*/
  }

  if (!avframe->channel_layout)
  {
    log("Audio channel layout not specified, rolling back to default\n");
    avframe->channel_layout = av_get_default_channel_layout(dec_ctx->channels);
  }

  *out_num_audio_samples = dec_ctx->channels * avframe->nb_samples;
  InterleaveAudioData(out_audio_data, dec_ctx->sample_fmt,
                      dec_ctx->channels, avframe->nb_samples, avframe->data);
  return true;
}

bool LoadAudioTrack(AVFormatContext *format_ctx, AVCodecContext *dec_ctx, int audio_stream_idx, MemoryStream *out_audio_stream, int *out_num_audio_frames, int *out_num_audio_samples)
{
  out_audio_stream->Reset();

  AVFrame  *frame = avcodec_alloc_frame();

  AVPacket *packet = new AVPacket;
  av_init_packet(packet);

  int num_audio_frames = 0;
  int num_audio_samples = 0;

  while (av_read_frame(format_ctx, packet) >= 0)
  {
	// Is this a packet from the audio stream?
    if (packet->stream_index != audio_stream_idx)
    {
      //log("Suspicious stream id %u in %s", packet->stream_index, filenamea);
      continue;
    }

	// Decode audio frame
    int num_samples_decoded;
    DecodeAudioFrame(dec_ctx, packet, frame, out_audio_stream, &num_samples_decoded);

    num_audio_samples += num_samples_decoded;
    num_audio_frames++;
  }
  *out_num_audio_frames = num_audio_frames;
  *out_num_audio_samples = num_audio_samples;

  avcodec_free_frame(&frame);
  delete frame;
  av_free_packet(packet);
  delete packet;

  return true;
}

class Track: public Media::ITrack
{
  public:
    inline Track()
    {
      this->format_ctx = nullptr;
      this->audio_num_samples = 0;
    }

    void Release()
    {
      ReleaseAvcodec();
    }

    void ReleaseAvcodec()
    {
      audio.Release();
      if (format_ctx)
      {
        av_close_input_file(format_ctx);
		Log::Warning(L"close audio format context file\n");
        format_ctx = nullptr;
      }
    }

    bool LoadAudio(const wchar_t *filename)
    {
      char filenamea[1024];
      sprintf(filenamea, "%S", filename);
      // Open audio file
      if (avformat_open_input(&format_ctx, filenamea, nullptr, nullptr) >= 0)
      {
        // Retrieve stream information
        if (avformat_find_stream_info(format_ctx, nullptr) >= 0)
        {
          // Dump information about file onto standard error
          av_dump_format(format_ctx, 0, filenamea, 0);

          if (!av_open_audio_stream(format_ctx, &audio))
          {
            Error("Cannot open strack: %s", filenamea);
            return Release(), false;
          }
          
          MemoryStream audio_plain_data;
          int          num_audio_frames;
          int          num_audio_samples;

          if (LoadAudioTrack(format_ctx, audio.dec_ctx, audio.stream_idx, &audio_plain_data, &num_audio_frames, &num_audio_samples))
          {
            /*#ifdef _DEBUG
              char debug_filename[1024];
              sprintf(debug_filename, "%s.wav", filenamea);
              FILE *wav = fopen(debug_filename, "w+b");

              extern void write_wav_header(FILE *wav, int channel_count = 2, int sample_rate = 22050, int bytes_per_sample = 2);
              write_wav_header(wav, audio.dec_ctx->channels, audio.dec_ctx->sample_rate, audio.bytes_per_sample);

              fwrite(audio_plain_data.Ptr(), audio_plain_data.Current(), 1, wav);
            
              extern void fix_wav_header(FILE *wav, int wav_bytes_in_stream);
              fix_wav_header(wav, audio_plain_data.Current());
            #endif*/

            device_buffer = provider->CreateTrack16(audio.dec_ctx->channels, audio.dec_ctx->sample_rate, 2, num_audio_samples, audio_plain_data.Ptr());

            Release();
            return true;
          }
        }
        Release();
        fprintf(stderr, "ffmpeg: Unable to find stream info\n");
        return false;
      }
      fprintf(stderr, "ffmpeg: Unable to open input file\n");
      return false;
    }

    virtual void Play(bool loop)
    {
      provider->PlayTrack16(device_buffer, loop);
      mSourceID = device_buffer->source_id;
    }
  
  protected:
    AVFormatContext *format_ctx;
    AVAudioStream    audio;
    int              audio_num_samples;

    bool             stopped;

    OpenALSoundProvider::TrackBuffer *device_buffer;
};

class Movie: public Media::IMovie
{
  public:
    inline Movie()
    {
      this->movie_filename[0] = 0;
      this->width = 0;
      this->height = 0;
      this->format_ctx = nullptr;
      this->end_of_file = false;
      this->playback_time = 0.0;

      this->num_audio_frames = 0;
      this->num_audio_samples = 0;

      this->last_resampled_frame_num = -1;
      memset(last_resampled_frame_data, 0, sizeof(last_resampled_frame_data));
      memset(last_resampled_frame_linesize, 0, sizeof(last_resampled_frame_linesize));

      audio_data_in_device = nullptr;
      decoding_packet = nullptr;
	  ioBuffer = nullptr;
	  format_ctx = nullptr;
	  avioContext = nullptr;
    }

    virtual ~Movie() {}
 
    virtual void Release()
    {
      ReleaseAVCodec();

      if (audio_data_in_device)
        provider->DeleteStreamingTrack(&audio_data_in_device);
    }

    inline void ReleaseAVCodec()
    {
      audio.Release();
      video.Release();

      if (format_ctx)
      {
		// Close the video file
        av_close_input_file(format_ctx);
		Log::Warning(L"close video format context file\n");
        format_ctx = nullptr;
	  }
	  if(avioContext)
	  {
		av_free(avioContext);
		avioContext = nullptr;
	  }
	  if (ioBuffer)
	  {
		//av_free(ioBuffer);
		ioBuffer = nullptr;
      }
	  av_free_packet(decoding_packet);
	  delete decoding_packet;
      avcodec_free_frame(&decoding_frame);
	  delete decoding_frame;
      if (last_resampled_frame_data[0])
        av_freep(&last_resampled_frame_data[0]);

    }

    bool Load(const wchar_t *filename, int dst_width, int dst_height, int cache_ms)	//Загрузка
    {
      char filenamea[1024];
      sprintf(filenamea, "%S", filename);
      sprintf(movie_filename, "%S", filename);

      width = dst_width;
      height = dst_height;
      // Open video file
      if (avformat_open_input(&format_ctx, filenamea, nullptr, nullptr) >= 0)
      {
        // Retrieve stream information
        if (avformat_find_stream_info(format_ctx, nullptr) >= 0)
        {
          // Dump information about file onto standard error
          av_dump_format(format_ctx, 0, filenamea, 0);

          /*if (!av_open_audio_stream(format_ctx, &audio))
          {
            Error("Cannot open audio stream: %s", filenamea);
            return Release(), false;
          }*/
		  av_open_audio_stream(format_ctx, &audio);
          
          if (!av_open_video_stream(format_ctx, &video))
          {
            Error("Cannot open video stream: %s", filenamea);
            return Release(), false;
          }

          //Ritor1: include 
		  if (_stricmp("binkvideo", video.dec->name) ) 
		  {
			pMediaPlayer->current_movie_width = video.dec_ctx->width;
			pMediaPlayer->current_movie_height = video.dec_ctx->height;
		  }
		  else
		  {
			pMediaPlayer->current_movie_width = width;
			pMediaPlayer->current_movie_height = height;
	      }
		  //
          decoding_packet = new AVPacket;
          av_init_packet(decoding_packet);
      
		  // Allocate video frame
          decoding_frame = avcodec_alloc_frame();

		  if (audio.stream_idx >= 0)
            audio_data_in_device = provider->CreateStreamingTrack16(audio.dec_ctx->channels, audio.dec_ctx->sample_rate, 2);
          return true;
        }
        fprintf(stderr, "ffmpeg: Unable to find stream info\n");
        return Release(), false; 
      }
      fprintf(stderr, "ffmpeg: Unable to open input file\n");
      return Release(), false;
    }

	bool LoadFromLOD(HANDLE h, int readFunction(void*, uint8_t*, int), int64_t seekFunction(void*, int64_t, int), int width, int height)
	{
		if (!ioBuffer)
			ioBuffer = (unsigned char *)av_malloc(0x4000 + FF_INPUT_BUFFER_PADDING_SIZE); // can get av_free()ed by libav
		if (!avioContext)
			avioContext = avio_alloc_context(ioBuffer, 0x4000, 0, h, readFunction, NULL, seekFunction);
		if (!format_ctx)
			format_ctx = avformat_alloc_context();
		format_ctx->pb = avioContext;
		return Load(L"dummyFilename", width, height, 0);
	}

    virtual void GetNextFrame(double dt, void *dst_surface)
    {
      playback_time += dt;

      AVPacket *avpacket = decoding_packet;
      AVFrame *avframe = decoding_frame;

      avcodec_get_frame_defaults(avframe);

      int desired_frame_number = floor(playback_time * video.dec_ctx->time_base.den / video.dec_ctx->time_base.num + 0.5);
      if (last_resampled_frame_num == desired_frame_number)
      {
        memcpy(dst_surface, last_resampled_frame_data[0], pMediaPlayer->current_movie_height * last_resampled_frame_linesize[0]);
        return;
      }

      volatile int frameFinished = false;

      // keep reading packets until we hit the end or find a video packet
      do
      {
        if (pMediaPlayer->loop_current_file)
        {
          //Now seek back to the beginning of the stream
          if (video.dec_ctx->frame_number >= video.stream->duration - 1 )
            pMediaPlayer->bPlaying_Movie = false;
        }
        if (av_read_frame(format_ctx, avpacket) < 0)
        {
          // probably movie is finished
          pMediaPlayer->bPlaying_Movie = false;
          av_free_packet(avpacket);
		  return;
        }
		// Is this a packet from the video stream?
        // audio packet - queue into playing
        if (avpacket->stream_index == audio.stream_idx)
        {
          MemoryStream audio_data;
          if (DecodeAudioFrame(audio.dec_ctx, avpacket, avframe, &audio_data, &num_audio_samples))
            provider->Stream16(audio_data_in_device, num_audio_samples, audio_data.Ptr());
          //continue;
        }

		// Decode video frame
        // video packet - decode & maybe show
        else if (avpacket->stream_index == video.stream_idx)
        {
          do
          {
            if (avcodec_decode_video2(video.dec_ctx, avframe, (int *)&frameFinished, avpacket) < 0)
              __debugbreak();
          } while (!frameFinished);
        }
        else __debugbreak(); // unknown stream
      }
      while (avpacket->stream_index != video.stream_idx ||
               avpacket->pts != desired_frame_number);

      if (frameFinished)
      {
        if (last_resampled_frame_data[0])
          av_freep(&last_resampled_frame_data[0]);

        AVPixelFormat  rescaled_format = AV_PIX_FMT_RGB32;
        uint8_t       *rescaled_data[4] = {nullptr, nullptr, nullptr, nullptr};
        int            rescaled_linesize[4] = {0, 0, 0, 0};

        if (av_image_alloc(rescaled_data, rescaled_linesize, pMediaPlayer->current_movie_width, pMediaPlayer->current_movie_height, rescaled_format, 1) >= 0)
        {
          SwsContext *converter = sws_getContext(avframe->width, avframe->height, (AVPixelFormat)avframe->format,
                                               pMediaPlayer->current_movie_width, pMediaPlayer->current_movie_height, rescaled_format,
                                               SWS_BICUBIC, nullptr, nullptr, nullptr);
          sws_scale(converter, avframe->data, avframe->linesize, 0, avframe->height, rescaled_data, rescaled_linesize);
          sws_freeContext(converter);

          memcpy(dst_surface, rescaled_data[0], pMediaPlayer->current_movie_height * rescaled_linesize[0]);

          last_resampled_frame_num = desired_frame_number;
          memcpy(last_resampled_frame_data, rescaled_data, sizeof(rescaled_data));
          memcpy(last_resampled_frame_linesize, rescaled_linesize, sizeof(rescaled_linesize));
        }
      }
      else
        memset(dst_surface, 0, width * pMediaPlayer->current_movie_height * 4);

      // Free the packet that was allocated by av_read_frame
      av_free_packet(avpacket);
    }

    virtual void Play()
    {
    }

  protected:
    char             movie_filename[256];
    int              width;
    int              height;
    bool             stopped;
    AVFormatContext *format_ctx;
    double           playback_time;
    bool             end_of_file;

    AVPacket        *decoding_packet;
    AVFrame         *decoding_frame;

    AVAudioStream   audio;
    int             num_audio_frames;
    int             num_audio_samples;
	unsigned char  *ioBuffer;
	AVIOContext    *avioContext;
    OpenALSoundProvider::StreamingTrackBuffer *audio_data_in_device;

    AVVideoStream   video;
    int             last_resampled_frame_num;
    uint8_t        *last_resampled_frame_data[4];
    int             last_resampled_frame_linesize[4];
};	

ITrack *MPlayer::LoadTrack(const wchar_t *filename)
{
  auto audio_track = new Track;
  Log::Warning(L"allocation dynamic memory for audio_track\n");
  if (!audio_track->LoadAudio(filename))
  {
    delete audio_track;
	Log::Warning(L"delete dynamic memory for audio_track\n");
    audio_track = nullptr;
  }
  return audio_track;
}

IMovie *MPlayer::LoadMovie(const wchar_t *filename, int width, int height, int cache_ms)	//Загрузить видео
{
  movie = new Movie;
  Log::Warning(L"allocation dynamic memory for movie\n");
  if (!movie->Load(filename, width, height, cache_ms))
  {
    delete movie;
	Log::Warning(L"delete dynamic memory for movie\n");
    movie = nullptr;
  }
  return movie;
}


//for video/////////////////////////////////////////////////////////////////

//----- (004BE9D8) --------------------------------------------------------
void MPlayer::Initialize(OSWindow *target_window)
{
  DWORD NumberOfBytesRead; // [sp+10h] [bp-4h]@9
    
  window = target_window;

  unsigned int uBinkVersionMajor = -1,
               uBinkVersionMinor = -1;
  //GetDllVersion(L"BINKW32.DLL", &uBinkVersionMajor, &uBinkVersionMinor);
  //uBinkVersion = (unsigned __int64)uBinkVersionMajor << 32 | uBinkVersionMinor;

  strcpy(pTmpBuf.data(), "anims\\might7.vid");
  hMightVid = CreateFileW(L"anims\\might7.vid", GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0x8000080, 0);
  if ( hMightVid == INVALID_HANDLE_VALUE )
  {
    sprintf(pTmpBuf2.data(), "Can't open file - anims\\%s.smk", pTmpBuf.data());
    MessageBoxA(0, pTmpBuf2.data(), "Video File Error", 0);
    return;
  }
  strcpy(pTmpBuf.data(), "anims\\magic7.vid");
  hMagicVid = CreateFileW(L"anims\\magic7.vid", GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0x8000080, 0);
  if ( hMagicVid == INVALID_HANDLE_VALUE )
  {
    if ( !bCanLoadFromCD )
    {
       sprintf(pTmpBuf2.data(), "Can't open file - anims\\%s.smk", pTmpBuf.data());
       MessageBoxA(0, pTmpBuf2.data(), "Video File Error", 0);
       return;
    }
    sprintf(pTmpBuf2.data(), "%c:\\%s", (unsigned __int8)cMM7GameCDDriveLetter, pTmpBuf.data());
    hMagicVid = CreateFileA(pTmpBuf2.data(), GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0x8000080, 0);
    if ( hMagicVid == (HANDLE)INVALID_HANDLE_VALUE )
    {
      sprintf(pTmpBuf2.data(), "Can't open file - %s", pTmpBuf.data());
      MessageBoxA(0, pTmpBuf2.data(), "Video File Error", 0);
      return;
    }
  }
  ReadFile(hMightVid, &uNumMightVideoHeaders, 4, &NumberOfBytesRead, 0);
  ReadFile(hMagicVid, &uNumMagicVideoHeaders, 4, &NumberOfBytesRead, 0);
  pMightVideoHeaders = (MovieHeader *)malloc(sizeof(MovieHeader) * uNumMightVideoHeaders + 2);
  pMagicVideoHeaders = (MovieHeader *)malloc(sizeof(MovieHeader) * uNumMagicVideoHeaders + 2);
  ReadFile(hMightVid, pMightVideoHeaders, 44 * uNumMightVideoHeaders, &NumberOfBytesRead, 0);
  ReadFile(hMagicVid, pMagicVideoHeaders, 44 * uNumMagicVideoHeaders, &NumberOfBytesRead, 0);
}

//----- (004BF411) --------------------------------------------------------
void MPlayer::OpenFullscreenMovie(const char *pFilename, unsigned int bLoop/*, int ScreenSizeFlag*/)
{
  if (!this->bPlaying_Movie)
  {
    pEventTimer->Pause();
	if ( use_music_folder )
      alSourcePause(mSourceID);
    else if (pAudioPlayer->hAILRedbook)
	  AIL_redbook_pause(pAudioPlayer->hAILRedbook);

	bStopBeforeSchedule = false;
	bFirstFrame = false;
	this->bLoopPlaying = bLoop;
	LoadMovie(pFilename);
	return;
  }
}

//----- (004BF28F) --------------------------------------------------------
void MPlayer::OpenHouseMovie(const char *pMovieName, unsigned int a3_1)
{
  if (!this->bPlaying_Movie)
  {
    //Prepare();
    pEventTimer->Pause();
    if ( use_music_folder )
      alSourcePause(mSourceID);
    else if (pAudioPlayer->hAILRedbook)
      AIL_redbook_pause(pAudioPlayer->hAILRedbook);

    bStopBeforeSchedule = false;
    bFirstFrame = false;

    this->bLoopPlaying = a3_1;
    /*if ( LOBYTE(this->field_104) == 1 )
    {
      MessageBoxA(nullptr, "Unsupported Bink playback!", "E:\\WORK\\MSDEV\\MM7\\MM7\\Code\\Video.cpp:925", 0);
      return;
    }*/

    LoadMovie(pMovieName);
	time_video_begin = GetTickCount();
  }
}

//----- (004BE70E) --------------------------------------------------------
void MPlayer::FullscreenMovieLoop(const char *pMovieName, int a2/*, int ScreenSizeFlag, int a4*/)
{
  int v4; // ebp@1
  MSG Msg; // [sp+Ch] [bp-1Ch]@12

  v4 = a2;
  if ( dword_6BE364_game_settings_1 & (GAME_SETTINGS_NO_HOUSE_ANIM | GAME_SETTINGS_NO_INTRO) ||
	   bNoVideo)
    return;

    if ( a2 == 2 )
      v4 = 0;
    ShowCursor(0);
    OpenFullscreenMovie(pMovieName, 0);
    bPlaying_Movie = 1;
    field_44 = v4;
    pRenderer->ClearTarget(0);
    pCurrentScreen = SCREEN_VIDEO;

    auto hwnd = pMediaPlayer->window->GetApiHandle();

    RECT rc_client;
    GetClientRect(hwnd, &rc_client);
    int client_width = rc_client.right - rc_client.left,
        client_height = rc_client.bottom - rc_client.top;

    HDC     dc = GetDC(hwnd);
    HDC     back_dc = CreateCompatibleDC(dc);
	HBITMAP back_bmp = CreateCompatibleBitmap(dc, client_width, client_height);
	auto    frame_buffer = new char[client_width * client_height * 4];
    SelectObject(back_dc, back_bmp);

	DWORD t = GetTickCount();

	bPlaying_Movie = true;

    while (true)
    {
      if (pMediaPlayer->bStopBeforeSchedule)
        break;
      while (PeekMessageA(&Msg, hwnd, 0, 0, PM_REMOVE))
      {
        if (Msg.message == WM_QUIT)
          Game_DeinitializeAndTerminate(0);
        if (Msg.message == WM_PAINT)
          break;
        TranslateMessage(&Msg);
        DispatchMessageA(&Msg);
      }

      double dt = (GetTickCount() - t) / 1000.0; 
      t = GetTickCount();

      pMovie_Track->GetNextFrame(dt, frame_buffer);	

      if (!bPlaying_Movie)
        break;

      if (frame_buffer)
      {
        // draw to hwnd
        BITMAPINFO bmi;
        bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
        bmi.bmiHeader.biWidth = client_width;
        bmi.bmiHeader.biHeight = -client_height;
        bmi.bmiHeader.biPlanes = 1;
        bmi.bmiHeader.biBitCount = 32;
        bmi.bmiHeader.biCompression = BI_RGB;
        bmi.bmiHeader.biSizeImage = 0;
        bmi.bmiHeader.biXPelsPerMeter = 0;
        bmi.bmiHeader.biYPelsPerMeter = 0;
        bmi.bmiHeader.biClrUsed = 0;
        bmi.bmiHeader.biClrImportant = 0;
        GetDIBits(back_dc, back_bmp, 0, client_height, 0, &bmi, DIB_RGB_COLORS);
        SetDIBits(back_dc, back_bmp, 0, client_height, frame_buffer, &bmi, DIB_RGB_COLORS);
        BitBlt(dc, 0, 0, client_width, client_height, back_dc, 0, 0, SRCCOPY);
      }

      GUI_MainMenuMessageProc();  

      if (pMediaPlayer->bStopBeforeSchedule == 1)
        Sleep(1000); 
    }
	delete [] frame_buffer;
	DeleteObject(back_bmp);
	DeleteObject(back_dc);
	ReleaseDC(hwnd, dc);

    pMediaPlayer->Unload();

    //if (a4 == 1)
      pCurrentScreen = SCREEN_GAME;

    pMediaPlayer->bPlaying_Movie = false;

    ShowCursor(1);

    /*if ( pCurrentScreen == SCREEN_VIDEO )
      pCurrentScreen = SCREEN_GAME;*/
}

void MPlayer::HouseMovieLoop()
{
	if (pMovie_Track && !bNoVideo)
	{
		pRenderer->BeginScene();
		pMouse->DrawCursorToTarget();

        Log::Warning(L"smacker");
        loop_current_file = true;
        pRenderer->BeginScene();
        if (!bPlaying_Movie)//reload
        {
          unsigned int width = game_viewport_width;
          unsigned int height = game_viewport_height;
	      MovieRelease();

          SetFilePointer(hVidFile, uOffset, nullptr, FILE_BEGIN);
          pMovie_Track = nullptr;
	      Log::Warning(L"reload pMovie_Track");
          pMovie_Track = pMediaPlayer->LoadMovieFromLOD(hVidFile, &readFunction, &seekFunction, width, height);
          bPlaying_Movie = true;
        }
        //else 
        //{
          double dt = (GetTickCount() - time_video_begin) / 1000.0;
          //dt = 1.0/15.0;
          time_video_begin = GetTickCount();

          //log("dt=%.5f\n", dt);

          auto image = new char[current_movie_width * current_movie_height * 4];

          pMovie_Track->GetNextFrame(dt, image);

          int image_array[460 * 344];//game_viewport_width * game_viewport_height
          if (image)
          {
            memcpy(image_array, image, sizeof (image_array));
            for (unsigned int y = 8; y < 8 + game_viewport_height; ++y)//координаты местоположения видеоролика
            {
              for (unsigned int x = 8; x < 8 + game_viewport_width; ++x)
              {
                auto p = (unsigned __int32 *)pRenderer->pTargetSurface + x + y * pRenderer->uTargetSurfacePitch;
                *p = image_array[((x - 8) + ((y - 8)*game_viewport_width))];
              }
            }
            delete[] image;
          }
       //}
        pRenderer->EndScene();
		pMouse->ReadCursorWithItem();
		pRenderer->EndScene();
	}
}
 
//----- (004BF73A) --------------------------------------------------------
void MPlayer::SelectMovieType()
{
  char Source[32]; // [sp+Ch] [bp-40h]@1

  strcpy(Source, this->pCurrentMovieName);
  pMediaPlayer->Unload();
  if ( this->uMovieType == 1 )
    OpenHouseMovie(Source, LOBYTE(this->bLoopPlaying));
  else if ( this->uMovieType == 2 )
    OpenFullscreenMovie(Source, LOBYTE(this->bLoopPlaying));
  else
    __debugbreak();
}

void MPlayer::LoadMovie(const char *pFilename)
{
  char pVideoNameBik[120]; // [sp+Ch] [bp-28h]@2
  char pVideoNameSmk[120]; // [sp+Ch] [bp-28h]@2

  sprintf(pVideoNameBik, "%s.bik", pFilename);
  sprintf(pVideoNameSmk, "%s.smk", pFilename);
  for (uint i = 0; i < uNumMightVideoHeaders; ++i)
  {
    if (!_stricmp(pVideoNameSmk, pMightVideoHeaders[i].pVideoName))
    {
      hVidFile = hMightVid;
      uOffset = pMightVideoHeaders[i].uFileOffset;
      uSize = pMightVideoHeaders[i + 1].uFileOffset - uOffset;
      this->uMovieType = 2;
    }
  }
  for (uint i = 0; i < uNumMagicVideoHeaders; ++i)
  {
    if (!_stricmp(pVideoNameBik, pMagicVideoHeaders[i].pVideoName))
    {
      hVidFile = hMagicVid;
      uOffset = pMagicVideoHeaders[i].uFileOffset;
      uSize = pMagicVideoHeaders[i + 1].uFileOffset - uOffset;
      this->uMovieType = 1;
    }
    if (!_stricmp(pVideoNameSmk, pMagicVideoHeaders[i].pVideoName))
    {
      hVidFile = hMagicVid;
      uOffset = pMagicVideoHeaders[i].uFileOffset;
      uSize = pMagicVideoHeaders[i + 1].uFileOffset - uOffset;
      this->uMovieType = 2;
    }
  }
  if (!hVidFile)
  {
    pMediaPlayer->Unload();
    MessageBoxA(0, "MediaPlayer error", "MediaPlayer Error", 0);
    return;
  }

  SetFilePointer(hVidFile, uOffset, 0, FILE_BEGIN);
  strcpy(this->pCurrentMovieName, pFilename);

  auto hwnd = pMediaPlayer->window->GetApiHandle();
  RECT rc_client;
  GetClientRect(hwnd, &rc_client);
  int client_width = rc_client.right - rc_client.left,
      client_height = rc_client.bottom - rc_client.top;

  pMovie_Track = pMediaPlayer->LoadMovieFromLOD(hVidFile, &readFunction, &seekFunction, client_width, client_height);
}

//----- (004BF794) --------------------------------------------------------
void MPlayer::ShowMM7IntroVideo_and_LoadingScreen()
{
  RGBTexture tex; // [sp+Ch] [bp-30h]@1
  unsigned int uTrackStartMS; // [sp+34h] [bp-8h]@8
  unsigned int uTrackEndMS; // [sp+38h] [bp-4h]@8

  pMediaPlayer->bStopBeforeSchedule = false;
//  pMediaPlayer->pResetflag = 0;
  bGameoverLoop = true;
  if (!bNoVideo)
  {
    pRenderer->PresentBlackScreen();
    if ( !pMediaPlayer->bStopBeforeSchedule )
      PlayFullscreenMovie(MOVIE_Intro, true);
  }

  tex.Load("mm6title.pcx", 2);
  pRenderer->BeginScene();
  pRenderer->DrawTextureRGB(0, 0, &tex);
  free(tex.pPixels);
  tex.pPixels = 0;

  //LoadFonts_and_DrawCopyrightWindow();
  DrawMM7CopyrightWindow();

  pRenderer->EndScene();
  pRenderer->Present();

  #ifndef _DEBUG
    Sleep(1500);   // let the copyright window stay for a while
  #endif

  if (!bNoSound )
  {
	if ( use_music_folder )
	{
      PlayAudio(L"Music\\14.mp3");
      alSourcef (mSourceID, AL_GAIN, pSoundVolumeLevels[uMusicVolimeMultiplier]);
	}
	else if ( pAudioPlayer->hAILRedbook )
    {
      pAudioPlayer->SetMusicVolume((signed __int64)(pSoundVolumeLevels[uMusicVolimeMultiplier] * 64.0));
      AIL_redbook_stop(pAudioPlayer->hAILRedbook);
      AIL_redbook_track_info(pAudioPlayer->hAILRedbook, 14, &uTrackStartMS, &uTrackEndMS);
      AIL_redbook_play(pAudioPlayer->hAILRedbook, uTrackStartMS + 1, uTrackEndMS);
    }
  }
  bGameoverLoop = false;
}

//----- (004BEBD7) --------------------------------------------------------
void MPlayer::Unload()
{
  bPlaying_Movie = false;
  uMovieType = 0;
  memset(pCurrentMovieName, 0, 0x40);
  if ( !bGameoverLoop && pMediaPlayer->current_movie_width == 460)
  {
    if ( use_music_folder )
      alSourcePlay(mSourceID);
    else if ( pAudioPlayer->hAILRedbook )
      AIL_redbook_resume(pAudioPlayer->hAILRedbook);
  }
  pEventTimer->Resume();

  pMovie_Track->Release();
  delete pMovie_Track;
  pMovie_Track = nullptr;
}

int MPlayer::readFunction(void* opaque, uint8_t* buf, int buf_size)
{
  HANDLE stream = (HANDLE)opaque;
  //int numBytes = stream->read((char*)buf, buf_size);
  int numBytes;
  ReadFile(stream, (char *)buf, buf_size, (LPDWORD)&numBytes, NULL);
  return numBytes;
}

int64_t MPlayer::seekFunction(void* opaque, int64_t offset, int whence)
{
  if (whence == AVSEEK_SIZE)
    return pMediaPlayer->uSize;
  HANDLE h = (HANDLE)opaque;
  LARGE_INTEGER li;
  li.QuadPart = offset;

  if (!SetFilePointerEx(h, li, (PLARGE_INTEGER)&li, FILE_BEGIN))
    return -1;
  return li.QuadPart;
}

//for video//////////////////////////////////////////////////////////////////



IMovie *MPlayer::LoadMovieFromLOD(HANDLE h, int readFunction(void*, uint8_t*, int), int64_t seekFunction(void*, int64_t, int), int width, int height)
{
	movie = new Movie;
	Log::Warning(L"allocation dynamic memory for movie\n");
	if (movie)
	{
		if (movie->LoadFromLOD(h, readFunction, seekFunction, width, height))
		  return movie;
		delete movie;
		Log::Warning(L"delete dynamic memory for movie\n");
	}
	return nullptr;
}

void MovieRelease()
{
  movie->Release();
  delete movie;
  Log::Warning(L"delete dynamic memory for movie\n");
  movie = nullptr;
}


//for audio///////////////////////////////////////////////////////
//----- (004AB818) --------------------------------------------------------
void MPlayer::LoadAudioSnd()
{
  DWORD NumberOfBytesRead; // [sp+Ch] [bp-4h]@3

  hAudioSnd = CreateFileA("Sounds\\Audio.snd", GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0x8000080u, 0);
  if (hAudioSnd == INVALID_HANDLE_VALUE)
  {
    Log::Warning(L"Can't open file: %s", L"Sounds\\Audio.snd");
    return;
  }

  ReadFile(hAudioSnd, &uNumSoundHeaders, 4, &NumberOfBytesRead, 0);
  pSoundHeaders = nullptr;
  pSoundHeaders = (SoundHeader *)malloc(52 * uNumSoundHeaders + 2);
  ReadFile(hAudioSnd, pSoundHeaders, 52 * uNumSoundHeaders, &NumberOfBytesRead, 0);
}
//for audio///////////////////////////////////////////////////////

void av_logger(void *, int, const char *format, va_list args)
{
  va_list va;
  va_start(va, format);
  char msg[256];
  vsprintf(msg, format, va);
  va_end(va);

  log("av: %s", msg);
}

MPlayer::MPlayer()
{
  bPlaying_Movie = false;

  static int libavcodec_initialized = false;

  if (!libavcodec_initialized)
  {
    av_log_set_callback(av_logger);
    avcodec_register_all();

    // Register all available file formats and codecs
    av_register_all();

    libavcodec_initialized = true;
  }

  bStopBeforeSchedule = false;
  pMovie_Track = nullptr;

  if (!provider)
  {
    provider = new OpenALSoundProvider;
	Log::Warning(L"allocation dynamic memory for provider\n");
    provider->Initialize();
  }
  LoadAudioSnd();
}

MPlayer::~MPlayer()
{
	delete provider;
	Log::Warning(L"delete dynamic memory for provider\n");

    bStopBeforeSchedule = false;
//    pResetflag = 0;
    pVideoFrame.Release();
}

void PlayAudio(const wchar_t * pFilename)
{
  pAudio_Track = pMediaPlayer->LoadTrack(pFilename);
  pAudio_Track->Play();
  delete pAudio_Track;
  Log::Warning(L"delete dynamic memory for pAudio_Track\n");
  pAudio_Track = nullptr;
}

void PlayMovie(const wchar_t * pFilename)
{
  Media::IMovie *Movie_track = pMediaPlayer->LoadMovie(pFilename, 640, 480, 0);
  Movie_track->Play();
}