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 23static 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 46void 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} 61