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authorAlan Kelly <alankelly@google.com>2022-02-17 11:03:21 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2022-02-17 17:17:07 +0100
commitf1a5414c97a594d6f1d011860753794681ec56c5 (patch)
treedfb1d675960138fddcef798826bf48cbcdbe5e69 /libswscale
parent281250808615eef26c33f22fa8a0712855c9c029 (diff)
libswscale: Check and propagate memory allocation errors from ff_shuffle_filter_coefficients.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libswscale')
-rw-r--r--libswscale/swscale_internal.h2
-rw-r--r--libswscale/utils.c11
2 files changed, 9 insertions, 4 deletions
diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index 3a78d95ba6..26d28d42e6 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -1144,5 +1144,5 @@ void ff_sws_slice_worker(void *priv, int jobnr, int threadnr,
#define MAX_LINES_AHEAD 4
//shuffle filter and filterPos for hyScale and hcScale filters in avx2
-void ff_shuffle_filter_coefficients(SwsContext *c, int* filterPos, int filterSize, int16_t *filter, int dstW);
+int ff_shuffle_filter_coefficients(SwsContext *c, int* filterPos, int filterSize, int16_t *filter, int dstW);
#endif /* SWSCALE_SWSCALE_INTERNAL_H */
diff --git a/libswscale/utils.c b/libswscale/utils.c
index c5ea8853d5..344c87dfdf 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -278,7 +278,7 @@ static const FormatEntry format_entries[] = {
[AV_PIX_FMT_P416LE] = { 1, 1 },
};
-void ff_shuffle_filter_coefficients(SwsContext *c, int *filterPos, int filterSize, int16_t *filter, int dstW){
+int ff_shuffle_filter_coefficients(SwsContext *c, int *filterPos, int filterSize, int16_t *filter, int dstW){
#if ARCH_X86_64
int i, j, k, l;
int cpu_flags = av_get_cpu_flags();
@@ -292,6 +292,8 @@ void ff_shuffle_filter_coefficients(SwsContext *c, int *filterPos, int filterSiz
}
if (filterSize > 4){
int16_t *tmp2 = av_malloc(dstW * filterSize * 2);
+ if (!tmp2)
+ return AVERROR(ENOMEM);
memcpy(tmp2, filter, dstW * filterSize * 2);
for (i = 0; i < dstW; i += 16){//pixel
for (k = 0; k < filterSize / 4; ++k){//fcoeff
@@ -310,6 +312,7 @@ void ff_shuffle_filter_coefficients(SwsContext *c, int *filterPos, int filterSiz
}
}
}
+ return 0;
#endif
}
@@ -1836,7 +1839,8 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
get_local_pos(c, 0, 0, 0),
get_local_pos(c, 0, 0, 0))) < 0)
goto fail;
- ff_shuffle_filter_coefficients(c, c->hLumFilterPos, c->hLumFilterSize, c->hLumFilter, dstW);
+ if (ff_shuffle_filter_coefficients(c, c->hLumFilterPos, c->hLumFilterSize, c->hLumFilter, dstW) < 0)
+ goto nomem;
if ((ret = initFilter(&c->hChrFilter, &c->hChrFilterPos,
&c->hChrFilterSize, c->chrXInc,
c->chrSrcW, c->chrDstW, filterAlign, 1 << 14,
@@ -1846,7 +1850,8 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
get_local_pos(c, c->chrSrcHSubSample, c->src_h_chr_pos, 0),
get_local_pos(c, c->chrDstHSubSample, c->dst_h_chr_pos, 0))) < 0)
goto fail;
- ff_shuffle_filter_coefficients(c, c->hChrFilterPos, c->hChrFilterSize, c->hChrFilter, c->chrDstW);
+ if (ff_shuffle_filter_coefficients(c, c->hChrFilterPos, c->hChrFilterSize, c->hChrFilter, c->chrDstW) < 0)
+ goto nomem;
}
} // initialize horizontal stuff