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authorMichael Niedermayer <michaelni@gmx.at>2014-12-12 18:13:13 +0100
committerMichael Niedermayer <michaelni@gmx.at>2014-12-12 18:13:13 +0100
commite8dbecb99569e2054babab973e74a69017d02f09 (patch)
tree6e5631ef7b7d293ac20a4b1edfd3f98540cae113 /libavfilter/vf_spp.c
parenteb725235b03fbaffd670409f12f3f9a71dd12cfd (diff)
downloadffmpeg-e8dbecb99569e2054babab973e74a69017d02f09.tar.gz
avfilter/vf_spp: Allocate qp storage after qp_stride is known
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavfilter/vf_spp.c')
-rw-r--r--libavfilter/vf_spp.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/libavfilter/vf_spp.c b/libavfilter/vf_spp.c
index 8eb0c7e296..406925ad72 100644
--- a/libavfilter/vf_spp.c
+++ b/libavfilter/vf_spp.c
@@ -290,13 +290,7 @@ static int config_input(AVFilterLink *inlink)
spp->temp_linesize = FFALIGN(inlink->w + 16, 16);
spp->temp = av_malloc_array(spp->temp_linesize, h * sizeof(*spp->temp));
spp->src = av_malloc_array(spp->temp_linesize, h * sizeof(*spp->src));
- if (!spp->use_bframe_qp) {
- /* we are assuming here the qp blocks will not be smaller that 16x16 */
- spp->non_b_qp_alloc_size = FF_CEIL_RSHIFT(inlink->w, 4) * FF_CEIL_RSHIFT(inlink->h, 4);
- spp->non_b_qp_table = av_calloc(spp->non_b_qp_alloc_size, sizeof(*spp->non_b_qp_table));
- if (!spp->non_b_qp_table)
- return AVERROR(ENOMEM);
- }
+
if (!spp->temp || !spp->src)
return AVERROR(ENOMEM);
return 0;
@@ -330,6 +324,16 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
w = FF_CEIL_RSHIFT(qp_stride, 4);
h = FF_CEIL_RSHIFT(inlink->h, 4);
}
+
+ if (w * h > spp->non_b_qp_alloc_size) {
+ int ret = av_reallocp_array(&spp->non_b_qp_table, w, h);
+ if (ret < 0) {
+ spp->non_b_qp_alloc_size = 0;
+ return ret;
+ }
+ spp->non_b_qp_alloc_size = w * h;
+ }
+
av_assert0(w * h <= spp->non_b_qp_alloc_size);
memcpy(spp->non_b_qp_table, qp_table, w * h);
}