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Merge commit 'df528b11ac607de13a7c438f2a51f2119f71a03c'

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* commit 'df528b11ac607de13a7c438f2a51f2119f71a03c':
  hevc: make sure no dangling pointers remain around on VPS/SPS change

Conflicts:
	libavcodec/hevc_ps.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-04-03 22:16:10 +02:00
commit 235863463a
1 changed files with 46 additions and 13 deletions
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59
libavcodec/hevc_ps.c
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@ -69,6 +69,49 @@ static const AVRational vui_sar[] = {
{ 2, 1 },
};
static void remove_pps(HEVCContext *s, int id)
{
if (s->pps_list[id] && s->pps == (const HEVCPPS*)s->pps_list[id]->data)
s->pps = NULL;
av_buffer_unref(&s->pps_list[id]);
}
static void remove_sps(HEVCContext *s, int id)
{
int i;
if (s->sps_list[id]) {
if (s->sps == (const HEVCSPS*)s->sps_list[id]->data)
s->sps = NULL;
/* drop all PPS that depend on this SPS */
for (i = 0; i < FF_ARRAY_ELEMS(s->pps_list); i++)
if (s->pps_list[i] && ((HEVCPPS*)s->pps_list[i]->data)->sps_id == id)
remove_pps(s, i);
if (s->sps_list[id] && s->sps == (HEVCSPS*)s->sps_list[id]->data) {
av_buffer_unref(&s->current_sps);
s->current_sps = av_buffer_ref(s->sps_list[id]);
if (!s->current_sps)
s->sps = NULL;
}
}
av_buffer_unref(&s->sps_list[id]);
}
static void remove_vps(HEVCContext *s, int id)
{
int i;
if (s->vps_list[id]) {
if (s->vps == (const HEVCVPS*)s->vps_list[id]->data)
s->vps = NULL;
for (i = 0; i < FF_ARRAY_ELEMS(s->sps_list); i++)
if (s->sps_list[i] && ((HEVCSPS*)s->sps_list[i]->data)->vps_id == id)
remove_sps(s, i);
}
av_buffer_unref(&s->vps_list[id]);
}
int ff_hevc_decode_short_term_rps(HEVCContext *s, ShortTermRPS *rps,
const HEVCSPS *sps, int is_slice_header)
{
@ -462,7 +505,7 @@ int ff_hevc_decode_nal_vps(HEVCContext *s)
!memcmp(s->vps_list[vps_id]->data, vps_buf->data, vps_buf->size)) {
av_buffer_unref(&vps_buf);
} else {
av_buffer_unref(&s->vps_list[vps_id]);
remove_vps(s, vps_id);
s->vps_list[vps_id] = vps_buf;
}
@ -1137,17 +1180,7 @@ int ff_hevc_decode_nal_sps(HEVCContext *s)
!memcmp(s->sps_list[sps_id]->data, sps_buf->data, sps_buf->size)) {
av_buffer_unref(&sps_buf);
} else {
for (i = 0; i < FF_ARRAY_ELEMS(s->pps_list); i++) {
if (s->pps_list[i] && ((HEVCPPS*)s->pps_list[i]->data)->sps_id == sps_id)
av_buffer_unref(&s->pps_list[i]);
}
if (s->sps_list[sps_id] && s->sps == (HEVCSPS*)s->sps_list[sps_id]->data) {
av_buffer_unref(&s->current_sps);
s->current_sps = av_buffer_ref(s->sps_list[sps_id]);
if (!s->current_sps)
s->sps = NULL;
}
av_buffer_unref(&s->sps_list[sps_id]);
remove_sps(s, sps_id);
s->sps_list[sps_id] = sps_buf;
}
@ -1559,7 +1592,7 @@ int ff_hevc_decode_nal_pps(HEVCContext *s)
goto err;
}
av_buffer_unref(&s->pps_list[pps_id]);
remove_pps(s, pps_id);
s->pps_list[pps_id] = pps_buf;
return 0;