Lines Matching refs:back_frame
48 uint8_t *back_frame; ///< background frame
68 const uint8_t *back_frame = s->back_frame;
75 if (s->back_frame)
76 memcpy(out, back_frame, s->avctx->width);
78 back_frame += s->avctx->width;
80 back_frame += base_x - s->avctx->width;
99 if (s->back_frame)
105 *out++ = (val == 0x80) ? *back_frame : val;
106 back_frame++;
117 if (s->back_frame) {
119 memcpy(out, back_frame, line_end - out);
120 back_frame += line_end - out;
170 uint8_t *back_frame = av_mallocz(avctx->width*avctx->height);
171 if (!back_frame)
174 back_frame, avctx->width, 0);
175 s->back_frame = back_frame;
214 av_freep(&s->back_frame);