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Code Issues Releases Activity

avcodec/error_resilience: fix the case when MVs are not available

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-03-17 05:22:20 +01:00
parent 8ef9dcf1d7
commit 4f22e39e65
2 changed files with 29 additions and 2 deletions
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28
libavcodec/error_resilience.c
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@ -904,8 +904,25 @@ void ff_er_frame_end(ERContext *s)
}
if (!s->cur_pic.motion_val[0] || !s->cur_pic.ref_index[0]) {
av_log(s->avctx, AV_LOG_ERROR, "MVs not available, ER not possible.\n");
return;
av_log(s->avctx, AV_LOG_ERROR, "Warning MVs not available\n");
for (i = 0; i < 2; i++) {
s->ref_index_buf[i] = av_buffer_allocz(s->mb_stride * s->mb_height * 4 * sizeof(uint8_t));
s->motion_val_buf[i] = av_buffer_allocz((size + 4) * 2 * sizeof(uint16_t));
if (!s->ref_index_buf[i] || !s->motion_val_buf[i])
break;
s->cur_pic.ref_index[i] = s->ref_index_buf[i]->data;
s->cur_pic.motion_val[i] = (int16_t (*)[2])s->motion_val_buf[i]->data + 4;
}
if (i < 2) {
for (i = 0; i < 2; i++) {
av_buffer_unref(&s->ref_index_buf[i]);
av_buffer_unref(&s->motion_val_buf[i]);
s->cur_pic.ref_index[i] = NULL;
s->cur_pic.motion_val[i] = NULL;
}
return;
}
}
if (s->avctx->debug & FF_DEBUG_ER) {
@ -1279,6 +1296,13 @@ ec_clean:
s->mbintra_table[mb_xy] = 1;
}
for (i = 0; i < 2; i++) {
av_buffer_unref(&s->ref_index_buf[i]);
av_buffer_unref(&s->motion_val_buf[i]);
s->cur_pic.ref_index[i] = NULL;
s->cur_pic.motion_val[i] = NULL;
}
memset(&s->cur_pic, 0, sizeof(ERPicture));
memset(&s->last_pic, 0, sizeof(ERPicture));
memset(&s->next_pic, 0, sizeof(ERPicture));

3
libavcodec/error_resilience.h
View File

@ -72,6 +72,9 @@ typedef struct ERContext {
ERPicture last_pic;
ERPicture next_pic;
AVBufferRef *ref_index_buf[2];
AVBufferRef *motion_val_buf[2];
uint16_t pp_time;
uint16_t pb_time;
int quarter_sample;