| 1 | /* |
| 2 | * This file is part of FFmpeg. |
| 3 | * |
| 4 | * FFmpeg is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Lesser General Public |
| 6 | * License as published by the Free Software Foundation; either |
| 7 | * version 2.1 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * FFmpeg is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * Lesser General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU Lesser General Public |
| 15 | * License along with FFmpeg; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 17 | */ |
| 18 | |
| 19 | #include "error_resilience.h" |
| 20 | #include "mpegvideo.h" |
| 21 | #include "mpeg_er.h" |
| 22 | |
| 23 | static void set_erpic(ERPicture *dst, Picture *src) |
| 24 | { |
| 25 | int i; |
| 26 | |
| 27 | memset(dst, 0, sizeof(*dst)); |
| 28 | if (!src) { |
| 29 | dst->f = NULL; |
| 30 | dst->tf = NULL; |
| 31 | return; |
| 32 | } |
| 33 | |
| 34 | dst->f = src->f; |
| 35 | dst->tf = &src->tf; |
| 36 | |
| 37 | for (i = 0; i < 2; i++) { |
| 38 | dst->motion_val[i] = src->motion_val[i]; |
| 39 | dst->ref_index[i] = src->ref_index[i]; |
| 40 | } |
| 41 | |
| 42 | dst->mb_type = src->mb_type; |
| 43 | dst->field_picture = src->field_picture; |
| 44 | } |
| 45 | |
| 46 | void ff_mpeg_er_frame_start(MpegEncContext *s) |
| 47 | { |
| 48 | ERContext *er = &s->er; |
| 49 | |
| 50 | set_erpic(&er->cur_pic, s->current_picture_ptr); |
| 51 | set_erpic(&er->next_pic, s->next_picture_ptr); |
| 52 | set_erpic(&er->last_pic, s->last_picture_ptr); |
| 53 | |
| 54 | er->pp_time = s->pp_time; |
| 55 | er->pb_time = s->pb_time; |
| 56 | er->quarter_sample = s->quarter_sample; |
| 57 | er->partitioned_frame = s->partitioned_frame; |
| 58 | |
| 59 | ff_er_frame_start(er); |
| 60 | } |