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Fix show existing frame

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- Disable mode info update in case where current frame is coded
  as "show existing frame".
- Should fix issue 676.

Change-Id: Ibee681850eb307f982da6528d3e31cb94f881c08
This commit is contained in:
Tero Rintaluoma 2013-12-05 11:42:47 +02:00
parent ecc0a1ece8
commit 047b0b01bb
3 changed files with 20 additions and 16 deletions
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1
vp9/common/vp9_onyxc_int.h
View File

@ -133,6 +133,7 @@ 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;

3
vp9/decoder/vp9_decodeframe.c
View File

@ -1067,7 +1067,8 @@ 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);

32
vp9/decoder/vp9_onyxd_if.c
View File

@ -392,23 +392,25 @@ 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++;
}