Lines Matching refs:back_frame
47 uint8_t *back_frame; ///< background frame
67 const uint8_t *back_frame = s->back_frame;
74 if (s->back_frame)
75 memcpy(out, back_frame, s->avctx->width);
77 back_frame += s->avctx->width;
79 back_frame += base_x - s->avctx->width;
98 if (s->back_frame)
104 *out++ = (val == 0x80) ? *back_frame : val;
105 back_frame++;
116 if (s->back_frame) {
118 memcpy(out, back_frame, line_end - out);
119 back_frame += line_end - out;
164 uint8_t *back_frame = av_mallocz(avctx->width*avctx->height);
165 if (!back_frame)
168 back_frame, avctx->width, 0);
169 s->back_frame = back_frame;
210 av_free(s->back_frame);