summaryrefslogtreecommitdiffstats
path: root/libavcodec/error_resilience.c
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/error_resilience.c')
-rw-r--r--libavcodec/error_resilience.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/libavcodec/error_resilience.c b/libavcodec/error_resilience.c
index 2c741a4..5a75fad 100644
--- a/libavcodec/error_resilience.c
+++ b/libavcodec/error_resilience.c
@@ -381,14 +381,19 @@ static void guess_mv(ERContext *s)
#define MV_UNCHANGED 1
const int mb_stride = s->mb_stride;
const int mb_width = s->mb_width;
- const int mb_height = s->mb_height;
+ int mb_height = s->mb_height;
int i, depth, num_avail;
int mb_x, mb_y, mot_step, mot_stride;
+ if (s->last_pic.f && s->last_pic.f->data[0])
+ mb_height = FFMIN(mb_height, (s->last_pic.f->height+15)>>4);
+ if (s->next_pic.f && s->next_pic.f->data[0])
+ mb_height = FFMIN(mb_height, (s->next_pic.f->height+15)>>4);
+
set_mv_strides(s, &mot_step, &mot_stride);
num_avail = 0;
- for (i = 0; i < s->mb_num; i++) {
+ for (i = 0; i < mb_width * mb_height; i++) {
const int mb_xy = s->mb_index2xy[i];
int f = 0;
int error = s->error_status_table[mb_xy];
@@ -413,7 +418,7 @@ static void guess_mv(ERContext *s)
if ((!(s->avctx->error_concealment&FF_EC_GUESS_MVS)) ||
num_avail <= mb_width / 2) {
- for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
+ for (mb_y = 0; mb_y < mb_height; mb_y++) {
for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
const int mb_xy = mb_x + mb_y * s->mb_stride;
int mv_dir = (s->last_pic.f && s->last_pic.f->data[0]) ? MV_DIR_FORWARD : MV_DIR_BACKWARD;
@@ -442,7 +447,7 @@ static void guess_mv(ERContext *s)
int score_sum = 0;
changed = 0;
- for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
+ for (mb_y = 0; mb_y < mb_height; mb_y++) {
for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
const int mb_xy = mb_x + mb_y * s->mb_stride;
int mv_predictor[8][2] = { { 0 } };
@@ -675,7 +680,7 @@ skip_last_mv:
if (none_left)
return;
- for (i = 0; i < s->mb_num; i++) {
+ for (i = 0; i < mb_width * mb_height; i++) {
int mb_xy = s->mb_index2xy[i];
if (fixed[mb_xy])
fixed[mb_xy] = MV_FROZEN;
OpenPOWER on IntegriCloud