diff options
Diffstat (limited to 'libhb/scan.c')
| -rw-r--r-- | libhb/scan.c | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/libhb/scan.c b/libhb/scan.c index 25ca92723..fd93ca482 100644 --- a/libhb/scan.c +++ b/libhb/scan.c @@ -281,11 +281,12 @@ static void ScanFunc( void * _data ) **********************************************************************/ static int DecodePreviews( hb_scan_t * data, hb_title_t * title ) { - int i, ret; + int i, npreviews = 0; hb_buffer_t * buf_ps, * buf_es, * buf_raw; hb_list_t * list_es, * list_raw; hb_libmpeg2_t * mpeg2; int progressive_count = 0; + int ar16_count = 0, ar4_count = 0; buf_ps = hb_buffer_init( HB_DVD_READ_BUFFER_SIZE ); list_es = hb_list_init(); @@ -349,6 +350,12 @@ static int DecodePreviews( hb_scan_t * data, hb_title_t * title ) if( buf_es->id == 0xE0 && !hb_list_count( list_raw ) ) { hb_libmpeg2_decode( mpeg2, buf_es, list_raw ); + int ar = hb_libmpeg2_clear_aspect_ratio( mpeg2 ); + if ( ar != 0 ) + { + ( ar == (HB_ASPECT_BASE * 4 / 3) ) ? + ++ar4_count : ++ar16_count ; + } } else if( !i ) { @@ -383,6 +390,11 @@ static int DecodePreviews( hb_scan_t * data, hb_title_t * title ) hb_libmpeg2_info( mpeg2, &title->width, &title->height, &title->rate_base, &ar ); + /* if we found mostly 4:3 previews use that as the aspect ratio otherwise + use 16:9 */ + title->aspect = ar4_count > ar16_count ? + HB_ASPECT_BASE * 4 / 3 : HB_ASPECT_BASE * 16 / 9; + if( title->rate_base == 1126125 ) { /* Frame FPS is 23.976 (meaning it's progressive), so @@ -421,12 +433,9 @@ static int DecodePreviews( hb_scan_t * data, hb_title_t * title ) title->rate_base = 1126125; } - if( i == 2) // Use the third frame's info, so as to skip opening logos + // start from third frame to skip opening logos + if( i >= 2) { - // The aspect ratio may have already been set by parsing the VOB/IFO details on a DVD, however - // if we're working with program/transport streams that data needs to come from within the stream. - if (title->aspect <= 0) - title->aspect = ar; title->crop[0] = title->crop[1] = title->height / 2; title->crop[2] = title->crop[3] = title->width / 2; } @@ -493,6 +502,7 @@ static int DecodePreviews( hb_scan_t * data, hb_title_t * title ) break; } } + ++npreviews; skip_preview: while( ( buf_raw = hb_list_item( list_raw, 0 ) ) ) @@ -507,16 +517,16 @@ skip_preview: title->crop[2] = EVEN( title->crop[2] ); title->crop[3] = EVEN( title->crop[3] ); - hb_log( "scan: %dx%d, %.3f fps, autocrop = %d/%d/%d/%d", - title->width, title->height, (float) title->rate / + hb_log( "scan: %d previews, %dx%d, %.3f fps, autocrop = %d/%d/%d/%d, aspect %s", + npreviews, title->width, title->height, (float) title->rate / (float) title->rate_base, title->crop[0], title->crop[1], - title->crop[2], title->crop[3] ); - - ret = 1; + title->crop[2], title->crop[3], + title->aspect == HB_ASPECT_BASE * 16 / 9 ? "16:9" : + title->aspect == HB_ASPECT_BASE * 4 / 3 ? "4:3" : "none" ); goto cleanup; error: - ret = 0; + npreviews = 0; cleanup: hb_buffer_close( &buf_ps ); @@ -535,7 +545,7 @@ cleanup: if (data->dvd) hb_dvd_stop( data->dvd ); - return ret; + return npreviews; } static void LookForAC3AndDCA( hb_title_t * title, hb_buffer_t * b ) |