int width;
int height;
int rate;
- int aspect_ratio;
+ double aspect_ratio;
int got_iframe; /* set when we get our first iframe */
int look_for_iframe; /* need an iframe to add chap break */
int look_for_break; /* need gop start to add chap break */
* it keeps the pixel width & height that would cause
* the storage width & height to come out in the correct
* aspect ratio. Convert these back to aspect ratio.
- * We do the calc in floating point to get the rounding right.
- * We round in the second decimal digit because we scale
- * the (integer) aspect by 9 to preserve the 1st digit.
*/
double ar_numer = m->width * m->info->sequence->pixel_width;
double ar_denom = m->height * m->info->sequence->pixel_height;
- m->aspect_ratio = ( ar_numer / ar_denom + .05 ) * HB_ASPECT_BASE;
+ m->aspect_ratio = ar_numer / ar_denom;
}
}
}
}
/**********************************************************************
- * hb_libmpeg2_info
- **********************************************************************
- *
- *********************************************************************/
-static void hb_libmpeg2_info( hb_libmpeg2_t * m, int * width, int * height,
- int * rate, int *aspect_ratio )
-{
- *width = m->width;
- *height = m->height;
- if (m->info->display_fbuf)
- {
- if( (m->info->display_picture->flags & PROGRESSIVE) && (m->height == 480) )
- {
- /* The frame is progressive and it's NTSC DVD height, so change its FPS to 23.976.
- This might not be correct for the title. It's really just for scan.c's benefit.
- Scan.c will reset the fps to 29.97, until a simple majority of the preview
- frames report at 23.976.
- */
- //hb_log("Detecting NTSC Progressive Frame");
- m->rate = 1126125;
- }
- }
- *rate = m->rate;
- *aspect_ratio = m->aspect_ratio;
-}
-
-/**********************************************************************
* hb_libmpeg2_close
**********************************************************************
*
{
hb_work_private_t *pv = w->private_data;
- if ( pv && pv->libmpeg2 )
+ if ( pv && pv->libmpeg2 && pv->libmpeg2->info && pv->libmpeg2->info->sequence )
{
- int aspect;
hb_libmpeg2_t *m = pv->libmpeg2;
- hb_libmpeg2_info( m, &info->width, &info->height, &info->rate_base,
- &aspect );
+ info->width = m->width;
+ info->height = m->height;
+ info->pixel_aspect_width = m->info->sequence->pixel_width;
+ info->pixel_aspect_height = m->info->sequence->pixel_height;
+ info->aspect = m->aspect_ratio;
- info->aspect = (double)aspect;
+ // if the frame is progressive & NTSC DVD height report it as 23.976 FPS
+ // so that scan can autodetect NTSC film
info->rate = 27000000;
+ info->rate_base = ( m->info->display_fbuf && m->info->display_picture &&
+ (m->info->display_picture->flags & PROGRESSIVE) &&
+ (m->height == 480 ) ) ? 1126125 : m->rate;
info->bitrate = m->info->sequence->byte_rate * 8;
info->profile = m->info->sequence->profile_level_id >> 4;