diff options
| author | Rodeo <[email protected]> | 2012-03-28 23:22:17 +0000 |
|---|---|---|
| committer | Rodeo <[email protected]> | 2012-03-28 23:22:17 +0000 |
| commit | 39425d02862f054e3ef87ef45b789254c64511ad (patch) | |
| tree | 30583795947cec54860e51a8b675bfd29f03a26a /libhb/decmpeg2.c | |
| parent | cca9c898d2f57047ab2cdabee8c794ddf2775aa7 (diff) | |
libhb: use source colorimetry information when available.
When source colorimetry can't be determined, guess.
Added code to guess PAL SD content and updated code to guess HD content.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4552 b64f7644-9d1e-0410-96f1-a4d463321fa5
Diffstat (limited to 'libhb/decmpeg2.c')
| -rw-r--r-- | libhb/decmpeg2.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/libhb/decmpeg2.c b/libhb/decmpeg2.c index 7379964cf..82ba78e31 100644 --- a/libhb/decmpeg2.c +++ b/libhb/decmpeg2.c @@ -894,6 +894,82 @@ static int decmpeg2Info( hb_work_object_t *w, hb_work_info_t *info ) info->profile = m->info->sequence->profile_level_id >> 4; info->level = m->info->sequence->profile_level_id & 0xf; info->name = "mpeg2"; + + if( pv->libmpeg2->info->sequence->flags & SEQ_FLAG_COLOUR_DESCRIPTION ) + { + switch( pv->libmpeg2->info->sequence->colour_primaries ) + { + case 1: // ITU-R Recommendation 709 + info->color_prim = HB_COLR_PRI_BT709; + break; + case 5: // ITU-R Recommendation 624-4 System B, G + info->color_prim = HB_COLR_PRI_EBUTECH; + break; + case 4: // ITU-R Recommendation 624-4 System M + case 6: // SMPTE 170M + case 7: // SMPTE 240M + info->color_prim = HB_COLR_PRI_SMPTEC; + break; + default: + info->color_prim = HB_COLR_PRI_UNDEF; + break; + } + switch( pv->libmpeg2->info->sequence->transfer_characteristics ) + { + case 1: // ITU-R Recommendation 709 + case 4: // ITU-R Recommendation 624-4 System M + case 5: // ITU-R Recommendation 624-4 System B, G + case 6: // SMPTE 170M + info->color_transfer = HB_COLR_TRA_BT709; + break; + case 7: // SMPTE 240M + info->color_transfer = HB_COLR_TRA_SMPTE240M; + break; + default: + info->color_transfer = HB_COLR_TRA_UNDEF; + break; + } + switch( pv->libmpeg2->info->sequence->matrix_coefficients ) + { + case 1: // ITU-R Recommendation 709 + info->color_matrix = HB_COLR_MAT_BT709; + break; + case 4: // FCC + case 5: // ITU-R Recommendation 624-4 System B, G + case 6: // SMPTE 170M + info->color_matrix = HB_COLR_MAT_SMPTE170M; + break; + case 7: // SMPTE 240M + info->color_matrix = HB_COLR_MAT_SMPTE240M; + break; + default: + info->color_matrix = HB_COLR_MAT_UNDEF; + break; + } + } + else if( ( info->width >= 1280 || info->height >= 720 ) || + ( info->width > 720 && info->height > 576 ) ) + { + // ITU BT.709 HD content + info->color_prim = HB_COLR_PRI_BT709; + info->color_transfer = HB_COLR_TRA_BT709; + info->color_matrix = HB_COLR_MAT_BT709; + } + else if( info->rate_base == 1080000 ) + { + // ITU BT.601 DVD or SD TV content (PAL) + info->color_prim = HB_COLR_PRI_EBUTECH; + info->color_transfer = HB_COLR_TRA_BT709; + info->color_matrix = HB_COLR_MAT_SMPTE170M; + } + else + { + // ITU BT.601 DVD or SD TV content (NTSC) + info->color_prim = HB_COLR_PRI_SMPTEC; + info->color_transfer = HB_COLR_TRA_BT709; + info->color_matrix = HB_COLR_MAT_SMPTE170M; + } + return 1; } return 0; |