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avfilter/vf_spp: Allocate qp storage after qp_stride is known

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-12-12 18:13:13 +01:00
parent eb725235b0
commit e8dbecb995
1 changed files with 11 additions and 7 deletions
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18
libavfilter/vf_spp.c
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@ -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);
}