Merge "Fix show existing frame"

This commit is contained in:
Yaowu Xu 2014-01-02 09:27:28 -08:00 committed by Gerrit Code Review
commit 8458c8c450
3 changed files with 20 additions and 16 deletions

View File

@ -132,6 +132,7 @@ typedef struct VP9Common {
int show_frame;
int last_show_frame;
int show_existing_frame;
// Flag signaling that the frame is encoded using only INTRA modes.
int intra_only;

View File

@ -1132,7 +1132,8 @@ static size_t read_uncompressed_header(VP9D_COMP *pbi,
cm->version = vp9_rb_read_bit(rb);
RESERVED;
if (vp9_rb_read_bit(rb)) {
cm->show_existing_frame = vp9_rb_read_bit(rb);
if (cm->show_existing_frame) {
// 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);

View File

@ -389,23 +389,25 @@ int vp9_receive_compressed_data(VP9D_PTR ptr,
cm->last_show_frame = cm->show_frame;
if (cm->show_frame) {
// current mip will be the prev_mip for the next frame
MODE_INFO *temp = cm->prev_mip;
MODE_INFO **temp2 = cm->prev_mi_grid_base;
cm->prev_mip = cm->mip;
cm->mip = temp;
cm->prev_mi_grid_base = cm->mi_grid_base;
cm->mi_grid_base = temp2;
if (!cm->show_existing_frame) {
// current mip will be the prev_mip for the next frame
MODE_INFO *temp = cm->prev_mip;
MODE_INFO **temp2 = cm->prev_mi_grid_base;
cm->prev_mip = cm->mip;
cm->mip = temp;
cm->prev_mi_grid_base = cm->mi_grid_base;
cm->mi_grid_base = temp2;
// update the upper left visible macroblock ptrs
cm->mi = cm->mip + cm->mode_info_stride + 1;
cm->prev_mi = cm->prev_mip + cm->mode_info_stride + 1;
cm->mi_grid_visible = cm->mi_grid_base + cm->mode_info_stride + 1;
cm->prev_mi_grid_visible = cm->prev_mi_grid_base + cm->mode_info_stride + 1;
pbi->mb.mi_8x8 = cm->mi_grid_visible;
pbi->mb.mi_8x8[0] = cm->mi;
// update the upper left visible macroblock ptrs
cm->mi = cm->mip + cm->mode_info_stride + 1;
cm->prev_mi = cm->prev_mip + cm->mode_info_stride + 1;
cm->mi_grid_visible = cm->mi_grid_base + cm->mode_info_stride + 1;
cm->prev_mi_grid_visible = cm->prev_mi_grid_base +
cm->mode_info_stride + 1;
pbi->mb.mi_8x8 = cm->mi_grid_visible;
pbi->mb.mi_8x8[0] = cm->mi;
}
cm->current_video_frame++;
}