47     uint8_t *back_frame;  ///< background frame  member
67     const uint8_t *back_frame = s->back_frame;  in rl2_rle_decode()  local
74         if (s->back_frame)  in rl2_rle_decode()
75             memcpy(out, back_frame, s->avctx->width);  in rl2_rle_decode()
77         back_frame += s->avctx->width;  in rl2_rle_decode()
79     back_frame += base_x - s->avctx->width;  in rl2_rle_decode()
98         if (s->back_frame)  in rl2_rle_decode()
104             *out++ = (val == 0x80) ? *back_frame : val;  in rl2_rle_decode()
105             back_frame++;  in rl2_rle_decode()
116     if (s->back_frame) {  in rl2_rle_decode()
118             memcpy(out, back_frame, line_end - out);  in rl2_rle_decode()
119             back_frame += line_end - out;  in rl2_rle_decode()
169         uint8_t *back_frame = av_mallocz(avctx->width*avctx->height);  in rl2_decode_init()  local
170         if (!back_frame)  in rl2_decode_init()
173                        back_frame, avctx->width, 0);  in rl2_decode_init()
174         s->back_frame = back_frame;  in rl2_decode_init()
215     av_freep(&s->back_frame);  in rl2_decode_end()