int dfs_open(struct file *filp, char *name) {
struct filsys *fs;
struct inode *inode;
int rc;
fs = (struct filsys *) filp->fs->data;
switch (filp->flags & (O_CREAT | O_EXCL | O_TRUNC | O_SPECIAL)) {
case 0:
case O_EXCL:
// Open existing file
rc = open_existing(fs, name, &inode);
break;
case O_CREAT:
// Open file, create new file if it does not exists
rc = open_always(fs, name, filp->mode, &inode);
break;
case O_CREAT | O_EXCL:
case O_CREAT | O_TRUNC | O_EXCL:
// Create new file, fail if it exists
rc = create_new(fs, name, NOINODE, filp->mode, &inode);
filp->flags |= F_MODIFIED;
break;
case O_TRUNC:
case O_TRUNC | O_EXCL:
// Open and truncate existing file
rc = truncate_existing(fs, name, &inode);
filp->flags |= F_MODIFIED;
break;
case O_CREAT | O_TRUNC:
// Create new file, unlink existing file if it exists
rc = create_always(fs, name, filp->mode, &inode);
filp->flags |= F_MODIFIED;
break;
case O_SPECIAL:
// Create new file with special inode number
rc = create_new(fs, name, filp->flags >> 24, filp->mode, &inode);
filp->flags |= F_MODIFIED;
break;
default:
return -EINVAL;
}
if (rc < 0) return rc;
if (filp->flags & O_APPEND) filp->pos = inode->desc->size;
filp->data = inode;
filp->mode = inode->desc->mode;
filp->owner = inode->desc->uid;
filp->group = inode->desc->gid;
return 0;
}
int dfs_open(struct file *filp, char *name, int mode)
{
struct filsys *fs;
struct inode *inode;
int len;
fs = (struct filsys *) filp->fs->data;
len = strlen(name);
switch (filp->flags & (VFS_O_CREAT | VFS_O_EXCL | VFS_O_TRUNC | VFS_O_SPECIAL))
{
case 0:
case VFS_O_EXCL:
// Open existing file
inode = open_existing(fs, name, len);
break;
case VFS_O_CREAT:
// Open file, create new file if it does not exists
inode = open_always(fs, name, len, mode);
break;
case VFS_O_CREAT | VFS_O_EXCL:
case VFS_O_CREAT | VFS_O_TRUNC | VFS_O_EXCL:
// Create new file, unlink existing file if it exists
inode = create_new(fs, name, len, mode);
break;
case VFS_O_TRUNC:
case VFS_O_TRUNC | VFS_O_EXCL:
// Open and truncate existing file
inode = truncate_existing(fs, name, len);
filp->flags |= F_MODIFIED;
break;
case VFS_O_CREAT | VFS_O_TRUNC:
// Create new file, fail if it exists
inode = create_always(fs, name, len, -1, mode);
break;
case VFS_O_SPECIAL:
// Create new file with special inode number
inode = create_always(fs, name, len, filp->flags >> 24, mode);
break;
default:
return -1;
}
if (!inode) return -1;
if (filp->flags & VFS_O_APPEND) filp->pos = (int) inode->desc->size;
filp->data = inode;
return 0;
}
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;
}
static int avi_open(const char* filename, const BITMAPINFOHEADER* pbmih, const WAVEFORMATEX* pwfex, const struct VideoSystemInfo* vsi)
{
int error = 1;
int result = 0;
do
{
// close existing first
FCEUI_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;
//zero 20-oct-2012 - AVIFileClose has bugs in it which cause overflows in the calculation of dwTotalFrames, so some programs are unhappy with the resulting files.
//so I reduced the precision here by the minimum number of shifts necessary to make it not overflow
avi_file->fps = vsi->fps >> 3;
avi_file->fps_scale = (16 * 1024 * 1024) >> 3;
avi_file->convert_buffer = (uint8*)malloc(VIDEO_WIDTH*(vsi->end_scanline-vsi->start_scanline)*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 = avi_file->fps_scale;
avi_file->avi_video_header.dwRate = avi_file->fps;
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(hAppWnd, 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)
FCEUD_PrintError("Error writing AVI file");
}
return result;
}
int AVIBegin(const char* filename, struct AVIFile* _avi_out)
{
AVIFile& avi = *_avi_out;
int result = 0;
do
{
if(!avi.video_added)
break;
if(!truncate_existing(filename))
break;
// open the file
if(FAILED(AVIFileOpen(&avi.avi_file, filename, OF_CREATE | OF_WRITE, NULL)))
break;
// create the video stream
memset(&avi.avi_video_header, 0, sizeof(AVISTREAMINFO));
avi.avi_video_header.fccType = streamtypeVIDEO;
avi.avi_video_header.dwScale = ONE_DOT_CYCLE*SNES_HCOUNTER_MAX*SNES_MAX_NTSC_VCOUNTER;
avi.avi_video_header.dwRate = (int)NTSC_MASTER_CLOCK;
avi.avi_video_header.dwSuggestedBufferSize = avi.bitmap_format.biSizeImage;
if(FAILED(AVIFileCreateStream(avi.avi_file, &avi.streams[VIDEO_STREAM], &avi.avi_video_header)))
break;
if(use_prev_options)
{
avi.compress_options[VIDEO_STREAM] = saved_avi_info.compress_options[VIDEO_STREAM];
avi.compress_options_ptr[VIDEO_STREAM] = &avi.compress_options[0];
}
else
{
// get compression options
memset(&avi.compress_options[VIDEO_STREAM], 0, sizeof(AVICOMPRESSOPTIONS));
avi.compress_options_ptr[VIDEO_STREAM] = &avi.compress_options[0];
if(!AVISaveOptions(GUI.hWnd, 0, 1, &avi.streams[VIDEO_STREAM], &avi.compress_options_ptr[VIDEO_STREAM]))
break;
}
// create compressed stream
if(FAILED(AVIMakeCompressedStream(&avi.compressed_streams[VIDEO_STREAM], avi.streams[VIDEO_STREAM], &avi.compress_options[VIDEO_STREAM], NULL)))
break;
// set the stream format
if(FAILED(AVIStreamSetFormat(avi.compressed_streams[VIDEO_STREAM], 0, (void*)&avi.bitmap_format, avi.bitmap_format.biSize)))
break;
// add sound (if requested)
if(avi.sound_added)
{
// create the audio stream
memset(&avi.avi_sound_header, 0, sizeof(AVISTREAMINFO));
avi.avi_sound_header.fccType = streamtypeAUDIO;
avi.avi_sound_header.dwQuality = (DWORD)-1;
avi.avi_sound_header.dwScale = avi.wave_format.nBlockAlign;
avi.avi_sound_header.dwRate = avi.wave_format.nAvgBytesPerSec;
avi.avi_sound_header.dwSampleSize = avi.wave_format.nBlockAlign;
avi.avi_sound_header.dwInitialFrames = 1;
if(FAILED(AVIFileCreateStream(avi.avi_file, &avi.streams[AUDIO_STREAM], &avi.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.compressed_streams[AUDIO_STREAM] = avi.streams[AUDIO_STREAM];
// set the stream format
if(FAILED(AVIStreamSetFormat(avi.compressed_streams[AUDIO_STREAM], 0, (void*)&avi.wave_format, sizeof(WAVEFORMATEX))))
break;
}
// initialize counters
avi.video_frames = 0;
avi.sound_samples = 0;
avi.tBytes = 0;
avi.ByteBuffer = 0;
avi.audio_buffer_pos = 0;
strncpy(saved_cur_avi_fnameandext,filename,MAX_PATH);
strncpy(saved_avi_fname,filename,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';
}
// success
result = 1;
avi.valid = true;
} while(false);
if(!result)
{
clean_up(&avi);
avi.valid = false;
}
return result;
}
int AVIBegin(const char* filename, struct AVIFile* _avi_out)
{
AVIFile& avi = *_avi_out;
int result = 0;
do
{
if(!avi.video_added)
break;
if(!truncate_existing(filename))
break;
// open the file
if(FAILED(AVIFileOpen(&avi.avi_file, filename, OF_CREATE | OF_WRITE, NULL)))
break;
// create the video stream
memset(&avi.avi_video_header, 0, sizeof(AVISTREAMINFO));
avi.avi_video_header.fccType = streamtypeVIDEO;
avi.avi_video_header.dwScale = avi.frameskip;
avi.avi_video_header.dwRate = avi.fps;
avi.avi_video_header.dwSuggestedBufferSize = avi.bitmap_format.biSizeImage;
if(FAILED(AVIFileCreateStream(avi.avi_file, &avi.streams[VIDEO_STREAM], &avi.avi_video_header)))
break;
// get compression options
memset(&avi.compress_options[VIDEO_STREAM], 0, sizeof(AVICOMPRESSOPTIONS));
avi.compress_options_ptr[VIDEO_STREAM] = &avi.compress_options[0];
if(!AVISaveOptions(GUI.hWnd, 0, 1, &avi.streams[VIDEO_STREAM], &avi.compress_options_ptr[VIDEO_STREAM]))
break;
// create compressed stream
if(FAILED(AVIMakeCompressedStream(&avi.compressed_streams[VIDEO_STREAM], avi.streams[VIDEO_STREAM], &avi.compress_options[VIDEO_STREAM], NULL)))
break;
// set the stream format
if(FAILED(AVIStreamSetFormat(avi.compressed_streams[VIDEO_STREAM], 0, (void*)&avi.bitmap_format, avi.bitmap_format.biSize)))
break;
// add sound (if requested)
if(avi.sound_added)
{
// create the audio stream
memset(&avi.avi_sound_header, 0, sizeof(AVISTREAMINFO));
avi.avi_sound_header.fccType = streamtypeAUDIO;
avi.avi_sound_header.dwQuality = (DWORD)-1;
avi.avi_sound_header.dwScale = avi.wave_format.nBlockAlign;
avi.avi_sound_header.dwRate = avi.wave_format.nAvgBytesPerSec;
avi.avi_sound_header.dwSampleSize = avi.wave_format.nBlockAlign;
avi.avi_sound_header.dwInitialFrames = 1;
if(FAILED(AVIFileCreateStream(avi.avi_file, &avi.streams[AUDIO_STREAM], &avi.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.compressed_streams[AUDIO_STREAM] = avi.streams[AUDIO_STREAM];
// set the stream format
if(FAILED(AVIStreamSetFormat(avi.compressed_streams[AUDIO_STREAM], 0, (void*)&avi.wave_format, sizeof(WAVEFORMATEX))))
break;
}
// initialize counters
avi.video_frames = 0;
avi.sound_samples = 0;
// success
result = 1;
avi.valid = true;
} while(false);
if(!result)
{
clean_up(&avi);
avi.valid = false;
}
return result;
}
