Lines Matching refs:back_frame
45 unsigned char* back_frame; ///< background frame
64 const unsigned char* back_frame = s->back_frame;
71 if(s->back_frame)
72 memcpy(out,back_frame,s->avctx->width);
74 back_frame += s->avctx->width;
76 back_frame += base_x - s->avctx->width;
95 if(s->back_frame)
101 *out++ = (val == 0x80)? *back_frame:val;
102 back_frame++;
113 if(s->back_frame){
115 memcpy(out, back_frame, line_end - out);
116 back_frame += line_end - out;
160 unsigned char* back_frame = av_mallocz(avctx->width*avctx->height);
161 if(!back_frame)
164 back_frame,avctx->width,0);
165 s->back_frame = back_frame;
215 av_free(s->back_frame);