cm->version = vp9_rb_read_bit(rb);
RESERVED;
+ if (vp9_rb_read_bit(rb)) {
+ // show an existing frame directly
+ int frame_to_show = cm->ref_frame_map[vp9_rb_read_literal(rb, 3)];
+ ref_cnt_fb(cm->fb_idx_ref_cnt, &cm->new_fb_idx, frame_to_show);
+ pbi->refresh_frame_flags = 0;
+ cm->filter_level = 0;
+ return 0;
+ }
cm->frame_type = (FRAME_TYPE) vp9_rb_read_bit(rb);
cm->show_frame = vp9_rb_read_bit(rb);
scaling_active = vp9_rb_read_bit(rb);
- RESERVED;
if (cm->frame_type == KEY_FRAME) {
if (vp9_rb_read_literal(rb, 8) != SYNC_CODE_0 ||
const int keyframe = pc->frame_type == KEY_FRAME;
YV12_BUFFER_CONFIG *new_fb = &pc->yv12_fb[pc->new_fb_idx];
+ if (!first_partition_size) {
+ // showing a frame directly
+ *p_data_end = data + 1;
+ return 0;
+ }
data += vp9_rb_bytes_read(&rb);
xd->corrupted = 0;
new_fb->corrupted = 0;
vp9_wb_write_bit(wb, cm->version);
vp9_wb_write_bit(wb, 0);
+ vp9_wb_write_bit(wb, 0);
vp9_wb_write_bit(wb, cm->frame_type);
vp9_wb_write_bit(wb, cm->show_frame);
vp9_wb_write_bit(wb, scaling_active);
- vp9_wb_write_bit(wb, 0);
if (cm->frame_type == KEY_FRAME) {
vp9_wb_write_literal(wb, SYNC_CODE_0, 8);