static void *open_avi(const char *filename, movie_info *info)
{
const avi_movie_info *aviinfo;
avi_error avierr;
avi_file *avi;
/* open the file */
avierr = avi_open(filename, &avi);
if (avierr != AVIERR_NONE)
{
fprintf(stderr, "Error opening AVI file: %s\n", avi_error_string(avierr));
return NULL;
}
/* extract movie info */
aviinfo = avi_get_movie_info(avi);
info->framerate = (double)aviinfo->video_timescale / (double)aviinfo->video_sampletime;
info->numframes = aviinfo->video_numsamples;
info->width = aviinfo->video_width;
info->height = aviinfo->video_height;
info->samplerate = aviinfo->audio_samplerate;
info->channels = aviinfo->audio_channels;
return avi;
}
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;
}
int FCEUI_AviBegin(const char* fname)
{
FCEUI_AviEnd();
struct VideoSystemInfo vsi;
BITMAPINFOHEADER bi;
int is_pal;
is_pal=FCEUI_GetCurrentVidSystem(&vsi.start_scanline, &vsi.end_scanline);
vsi.fps = FCEUI_GetDesiredFPS();//is_pal ? 50 : 60;
vsi.end_scanline++;
memset(&bi, 0, sizeof(bi));
bi.biSize = sizeof(BITMAPINFOHEADER);
bi.biPlanes = 1;
bi.biBitCount = 24;
bi.biWidth = VIDEO_WIDTH;
bi.biHeight = vsi.end_scanline-vsi.start_scanline;
bi.biSizeImage = 3 * bi.biWidth * bi.biHeight;
//mbg 6/27/08 -- this was originally labeled as hacky..
WAVEFORMATEX wf;
wf.cbSize = sizeof(WAVEFORMATEX);
wf.nAvgBytesPerSec = soundrate * 2;
wf.nBlockAlign = 2;
wf.nChannels = 1;
wf.nSamplesPerSec = soundrate;
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, &vsi))
{
saved_avi_fname[0]='\0';
return 0;
}
// Don't display at file splits
if(!avi_segnum)
FCEU_DispMessage("AVI recording started.",0);
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 generate_from_avi(const char *aviname)
{
UINT32 line12 = 0, line13 = 0, line14 = 0, framenum = 0, chapternum = 0;
const avi_movie_info *info;
bitmap_t *bitmap;
avi_error avierr;
avi_file *avi;
int white = 0;
int frame;
/* open the file */
avierr = avi_open(aviname, &avi);
if (avierr != AVIERR_NONE)
{
fprintf(stderr, "Error opening AVI file: %s\n", avi_error_string(avierr));
return 1;
}
/* extract movie info */
info = avi_get_movie_info(avi);
fprintf(stderr, "%dx%d - %d frames total\n", info->video_width, info->video_height, info->video_numsamples);
if (info->video_height != 39)
{
fprintf(stderr, "Unknown VANC capture format: expected 39 rows\n");
return 1;
}
/* allocate a bitmap to hold it */
bitmap = bitmap_alloc(info->video_width, info->video_height, BITMAP_FORMAT_YUY16);
if (bitmap == NULL)
{
fprintf(stderr, "Out of memory allocating %dx%d bitmap\n", info->video_width, info->video_height);
return 1;
}
/* loop over frames */
for (frame = 0; frame < info->video_numsamples; frame++)
{
int field;
UINT8 bits[24];
/* read the frame */
avierr = avi_read_video_frame_yuy16(avi, frame, bitmap);
if (avierr != AVIERR_NONE)
{
fprintf(stderr, "Error reading AVI frame %d: %s\n", frame, avi_error_string(avierr));
break;
}
/* loop over two fields */
for (field = 0; field < 2; field++)
{
int prevwhite = white;
int i;
/* line 7 contains the white flag */
white = 0;
if (*BITMAP_ADDR16(bitmap, 20 * field + 7, bitmap->width / 2) > 0x8000)
white = 1;
/* output metadata for *previous* field */
if (frame > 0 || field > 0)
{
int flags = 0;
if (!prevwhite) flags |= 0x01;
if (!white) flags |= 0x02;
output_meta(flags, prevwhite, line12, line13, line14, framenum, chapternum);
}
/* line 12 contains stop code and other interesting bits */
line12 = 0;
if (parse_line(bitmap, 20 * field + 12, 24, bits) == 24)
for (i = 0; i < 24; i++)
line12 = (line12 << 1) | bits[i];
/* line 13 and 14 contain frame/chapter/lead in/out encodings */
line13 = 0;
if (parse_line(bitmap, 20 * field + 13, 24, bits) == 24)
for (i = 0; i < 24; i++)
line13 = (line13 << 1) | bits[i];
line14 = 0;
if (parse_line(bitmap, 20 * field + 14, 24, bits) == 24)
for (i = 0; i < 24; i++)
line14 = (line14 << 1) | bits[i];
/* the two lines must match */
// if (line13 != 0 && line14 != 0 && line13 != line14)
// line13 = line14 = 0;
/* is this a frame number? */
if ((line13 & 0xf00000) == 0xf00000)
framenum = line13 & 0x7ffff;
if ((line13 & 0xf00fff) == 0x800ddd)
chapternum = (line13 >> 12) & 0x7f;
}
}
/* output metadata for *previous* field */
{
int flags = 0;
if (!white) flags |= 0x01;
output_meta(flags, white, line12, line13, line14, framenum, chapternum);
}
bitmap_free(bitmap);
return 0;
}
