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swscale: added proper error check for ff_init_filters

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This commit is contained in:
Pedro Arthur 2015-09-04 18:09:20 -03:00
parent f7361dbcf4
commit f67aff3ad7
1 changed files with 11 additions and 6 deletions
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17
libswscale/slice.c
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@ -268,7 +268,8 @@ int ff_init_filters(SwsContext * c)
dstIdx = 1;
if (need_lum_conv) {
ff_init_desc_fmt_convert(&c->desc[index], &c->slice[srcIdx], &c->slice[dstIdx], pal);
res = ff_init_desc_fmt_convert(&c->desc[index], &c->slice[srcIdx], &c->slice[dstIdx], pal);
if (res < 0) goto cleanup;
c->desc[index].alpha = c->alpPixBuf != 0;
++index;
srcIdx = dstIdx;
@ -276,7 +277,8 @@ int ff_init_filters(SwsContext * c)
dstIdx = FFMAX(num_ydesc, num_cdesc);
ff_init_desc_hscale(&c->desc[index], &c->slice[index], &c->slice[dstIdx], c->hLumFilter, c->hLumFilterPos, c->hLumFilterSize, c->lumXInc);
res = ff_init_desc_hscale(&c->desc[index], &c->slice[srcIdx], &c->slice[dstIdx], c->hLumFilter, c->hLumFilterPos, c->hLumFilterSize, c->lumXInc);
if (res < 0) goto cleanup;
c->desc[index].alpha = c->alpPixBuf != 0;
@ -285,23 +287,26 @@ int ff_init_filters(SwsContext * c)
srcIdx = 0;
dstIdx = 1;
if (need_chr_conv) {
ff_init_desc_cfmt_convert(&c->desc[index], &c->slice[srcIdx], &c->slice[dstIdx], pal);
res = ff_init_desc_cfmt_convert(&c->desc[index], &c->slice[srcIdx], &c->slice[dstIdx], pal);
if (res < 0) goto cleanup;
++index;
srcIdx = dstIdx;
}
dstIdx = FFMAX(num_ydesc, num_cdesc);
if (c->needs_hcscale)
ff_init_desc_chscale(&c->desc[index], &c->slice[srcIdx], &c->slice[dstIdx], c->hChrFilter, c->hChrFilterPos, c->hChrFilterSize, c->chrXInc);
res = ff_init_desc_chscale(&c->desc[index], &c->slice[srcIdx], &c->slice[dstIdx], c->hChrFilter, c->hChrFilterPos, c->hChrFilterSize, c->chrXInc);
else
ff_init_desc_no_chr(&c->desc[index], &c->slice[srcIdx], &c->slice[dstIdx]);
res = ff_init_desc_no_chr(&c->desc[index], &c->slice[srcIdx], &c->slice[dstIdx]);
if (res < 0) goto cleanup;
}
++index;
{
srcIdx = c->numSlice - 2;
dstIdx = c->numSlice - 1;
ff_init_vscale(c, c->desc + index, c->slice + srcIdx, c->slice + dstIdx);
res = ff_init_vscale(c, c->desc + index, c->slice + srcIdx, c->slice + dstIdx);
if (res < 0) goto cleanup;
}
return 0;