generic-library/vpx
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removed the dependency cross key frame boundary

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This allowed decoding from any key frame after skipping the frames
prior.

Change-Id: I096fccad5346d75ae50a017c94eb8d772a7e8b00
This commit is contained in:
Yaowu Xu 2012-10-12 11:38:10 -07:00
parent f6022327f1
commit 707e6c301e
3 changed files with 22 additions and 2 deletions
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4
vp8/common/alloccommon.c
View File

@ -21,7 +21,7 @@
extern void vp8_init_scan_order_mask();
static void update_mode_info_border(VP8_COMMON *cpi, MODE_INFO *mi_base) {
void update_mode_info_border(VP8_COMMON *cpi, MODE_INFO *mi_base) {
int stride = cpi->mode_info_stride;
int i;
@ -33,7 +33,7 @@ static void update_mode_info_border(VP8_COMMON *cpi, MODE_INFO *mi_base) {
vpx_memset(&mi_base[i * stride], 0, sizeof(MODE_INFO));
}
}
static void update_mode_info_in_image(VP8_COMMON *cpi, MODE_INFO *mi) {
void update_mode_info_in_image(VP8_COMMON *cpi, MODE_INFO *mi) {
int i, j;
// For each in image mode_info element set the in image flag to 1

9
vp8/decoder/decodframe.c
View File

@ -825,6 +825,7 @@ static void init_frame(VP8D_COMP *pbi) {
vp8_init_mv_probs(pc);
vp8_init_mbmode_probs(pc);
vp8_default_bmode_probs(pc->fc.bmode_prob);
vp8_default_coef_probs(pc);
vp8_kf_default_bmode_probs(pc->kf_bmode_prob);
@ -858,6 +859,14 @@ static void init_frame(VP8D_COMP *pbi) {
vpx_memcpy(pbi->common.fc.vp8_mode_contexts,
pbi->common.fc.mode_context,
sizeof(pbi->common.fc.mode_context));
vpx_memset(pc->prev_mip, 0,
(pc->mb_cols + 1) * (pc->mb_rows + 1)* sizeof(MODE_INFO));
vpx_memset(pc->mip, 0,
(pc->mb_cols + 1) * (pc->mb_rows + 1)* sizeof(MODE_INFO));
update_mode_info_border(pc, pc->mip);
update_mode_info_in_image(pc, pc->mi);
} else {
if (!pc->use_bilinear_mc_filter)

11
vp8/encoder/ratectrl.c
View File

@ -267,10 +267,12 @@ void vp8_restore_coding_context(VP8_COMP *cpi) {
void vp8_setup_key_frame(VP8_COMP *cpi) {
VP8_COMMON *cm = &cpi->common;
// Setup for Key frame:
vp8_default_coef_probs(& cpi->common);
vp8_kf_default_bmode_probs(cpi->common.kf_bmode_prob);
vp8_init_mbmode_probs(& cpi->common);
vp8_default_bmode_probs(cm->fc.bmode_prob);
vp8_init_mv_probs(& cpi->common);
#if CONFIG_NEWMVENTROPY == 0
@ -297,6 +299,15 @@ void vp8_setup_key_frame(VP8_COMP *cpi) {
vpx_memcpy(&cpi->common.lfc, &cpi->common.fc, sizeof(cpi->common.fc));
vpx_memcpy(&cpi->common.lfc_a, &cpi->common.fc, sizeof(cpi->common.fc));
vpx_memset(cm->prev_mip, 0,
(cm->mb_cols + 1) * (cm->mb_rows + 1)* sizeof(MODE_INFO));
vpx_memset(cm->mip, 0,
(cm->mb_cols + 1) * (cm->mb_rows + 1)* sizeof(MODE_INFO));
update_mode_info_border(cm, cm->mip);
update_mode_info_in_image(cm, cm->mi);
}
void vp8_setup_inter_frame(VP8_COMP *cpi) {