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Fix crash on resolution change (issue 2393).

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Don't free RBSP tables (containing decoded NAL units) on resolution
change, because we actually need this data to decode the frame after
reiniting (with new resolution). Fixed issue 2393.

Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
(cherry picked from commit 9107892624)
This commit is contained in:
Ronald S. Bultje 2011-01-22 14:42:56 +00:00 committed by Michael Niedermayer
parent 60c99b5510
commit 2ed0f76655
1 changed files with 6 additions and 4 deletions
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10
libavcodec/h264.c
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@ -614,7 +614,7 @@ static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t
}
static void free_tables(H264Context *h){
static void free_tables(H264Context *h, int free_rbsp){
int i;
H264Context *hx;
av_freep(&h->intra4x4_pred_mode);
@ -637,10 +637,12 @@ static void free_tables(H264Context *h){
av_freep(&hx->top_borders[1]);
av_freep(&hx->top_borders[0]);
av_freep(&hx->s.obmc_scratchpad);
if (free_rbsp){
av_freep(&hx->rbsp_buffer[1]);
av_freep(&hx->rbsp_buffer[0]);
hx->rbsp_buffer_size[0] = 0;
hx->rbsp_buffer_size[1] = 0;
}
if (i) av_freep(&h->thread_context[i]);
}
}
@ -748,7 +750,7 @@ int ff_h264_alloc_tables(H264Context *h){
return 0;
fail:
free_tables(h);
free_tables(h, 1);
return -1;
}
@ -1776,7 +1778,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
|| av_cmp_q(h->sps.sar, s->avctx->sample_aspect_ratio))) {
if(h != h0)
return -1; // width / height changed during parallelized decoding
free_tables(h);
free_tables(h, 0);
flush_dpb(s->avctx);
MPV_common_end(s);
}
@ -3331,7 +3333,7 @@ av_cold void ff_h264_free_context(H264Context *h)
{
int i;
free_tables(h); //FIXME cleanup init stuff perhaps
free_tables(h, 1); //FIXME cleanup init stuff perhaps
for(i = 0; i < MAX_SPS_COUNT; i++)
av_freep(h->sps_buffers + i);