bool DRV_AviBegin(const char* fname)
{
DRV_AviEnd();
BITMAPINFOHEADER bi;
memset(&bi, 0, sizeof(bi));
bi.biSize = 0x28;
bi.biPlanes = 1;
bi.biBitCount = 24;
bi.biWidth = 256;
bi.biHeight = 384;
bi.biSizeImage = 3 * 256 * 384;
WAVEFORMATEX wf;
wf.cbSize = sizeof(WAVEFORMATEX);
wf.nAvgBytesPerSec = 44100 * 4;
wf.nBlockAlign = 4;
wf.nChannels = 2;
wf.nSamplesPerSec = 44100;
wf.wBitsPerSample = 16;
wf.wFormatTag = WAVE_FORMAT_PCM;
saved_avi_ext[0]='\0';
//mbg 8/10/08 - decide whether there will be sound in this movie
//if this is a new movie..
/*if(!avi_file) {
if(FSettings.SndRate)
use_sound = true;
else use_sound = false;
}*/
//mbg 8/10/08 - if there is no sound in this movie, then dont open the audio stream
WAVEFORMATEX* pwf = &wf;
//if(!use_sound)
// pwf = 0;
if(!avi_open(fname, &bi, pwf))
{
saved_avi_fname[0]='\0';
return 0;
}
// Don't display at file splits
if(!avi_segnum)
EMU_PrintMessage("AVI recording started.");
strncpy(saved_cur_avi_fnameandext,fname,MAX_PATH);
strncpy(saved_avi_fname,fname,MAX_PATH);
char* dot = strrchr(saved_avi_fname, '.');
if(dot && dot > strrchr(saved_avi_fname, '/') && dot > strrchr(saved_avi_fname, '\\'))
{
strcpy(saved_avi_ext,dot);
dot[0]='\0';
}
return 1;
}
static int avi_open(const char* filename, const BITMAPINFOHEADER* pbmih, const WAVEFORMATEX* pwfex)
{
int error = 1;
int result = 0;
do
{
// close existing first
DRV_AviEnd();
if(!truncate_existing(filename))
break;
if(!pbmih)
break;
// create the object
avi_create(&avi_file);
// set video size and framerate
/*avi_file->start_scanline = vsi->start_scanline;
avi_file->end_scanline = vsi->end_scanline;
avi_file->fps = vsi->fps;
avi_file->fps_scale = 16777216-1;
avi_file->convert_buffer = new u8[256*384*3];*/
// open the file
if(FAILED(AVIFileOpen(&avi_file->avi_file, filename, OF_CREATE | OF_WRITE, NULL)))
break;
// create the video stream
set_video_format(pbmih, avi_file);
memset(&avi_file->avi_video_header, 0, sizeof(AVISTREAMINFO));
avi_file->avi_video_header.fccType = streamtypeVIDEO;
avi_file->avi_video_header.dwScale = 6*355*263;
avi_file->avi_video_header.dwRate = 33513982;
avi_file->avi_video_header.dwSuggestedBufferSize = avi_file->bitmap_format.biSizeImage;
if(FAILED(AVIFileCreateStream(avi_file->avi_file, &avi_file->streams[VIDEO_STREAM], &avi_file->avi_video_header)))
break;
if(use_prev_options)
{
avi_file->compress_options[VIDEO_STREAM] = saved_avi_info.compress_options[VIDEO_STREAM];
avi_file->compress_options_ptr[VIDEO_STREAM] = &avi_file->compress_options[0];
}
else
{
// get compression options
memset(&avi_file->compress_options[VIDEO_STREAM], 0, sizeof(AVICOMPRESSOPTIONS));
avi_file->compress_options_ptr[VIDEO_STREAM] = &avi_file->compress_options[0];
//retryAviSaveOptions: //mbg merge 7/17/06 removed
error = 0;
if(!AVISaveOptions(MainWindow->getHWnd(), 0, 1, &avi_file->streams[VIDEO_STREAM], &avi_file->compress_options_ptr[VIDEO_STREAM]))
break;
error = 1;
}
// create compressed stream
if(FAILED(AVIMakeCompressedStream(&avi_file->compressed_streams[VIDEO_STREAM], avi_file->streams[VIDEO_STREAM], &avi_file->compress_options[VIDEO_STREAM], NULL)))
break;
// set the stream format
if(FAILED(AVIStreamSetFormat(avi_file->compressed_streams[VIDEO_STREAM], 0, (void*)&avi_file->bitmap_format, avi_file->bitmap_format.biSize)))
break;
// add sound (if requested)
if(pwfex)
{
// add audio format
set_sound_format(pwfex, avi_file);
// create the audio stream
memset(&avi_file->avi_sound_header, 0, sizeof(AVISTREAMINFO));
avi_file->avi_sound_header.fccType = streamtypeAUDIO;
avi_file->avi_sound_header.dwQuality = (DWORD)-1;
avi_file->avi_sound_header.dwScale = avi_file->wave_format.nBlockAlign;
avi_file->avi_sound_header.dwRate = avi_file->wave_format.nAvgBytesPerSec;
avi_file->avi_sound_header.dwSampleSize = avi_file->wave_format.nBlockAlign;
avi_file->avi_sound_header.dwInitialFrames = 1;
if(FAILED(AVIFileCreateStream(avi_file->avi_file, &avi_file->streams[AUDIO_STREAM], &avi_file->avi_sound_header)))
break;
// AVISaveOptions doesn't seem to work for audio streams
// so here we just copy the pointer for the compressed stream
avi_file->compressed_streams[AUDIO_STREAM] = avi_file->streams[AUDIO_STREAM];
// set the stream format
if(FAILED(AVIStreamSetFormat(avi_file->compressed_streams[AUDIO_STREAM], 0, (void*)&avi_file->wave_format, sizeof(WAVEFORMATEX))))
break;
}
// initialize counters
avi_file->video_frames = 0;
avi_file->sound_samples = 0;
avi_file->tBytes = 0;
avi_file->ByteBuffer = 0;
avi_file->audio_buffer_pos = 0;
// success
error = 0;
result = 1;
avi_file->valid = 1;
} while(0);
if(!result)
{
avi_destroy(&avi_file);
if(error)
EMU_PrintError("Error writing AVI file");
}
return result;
}
void StopAvi()
{
DRV_AviEnd();
}