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Merge commit '73dacabfc9b9ef1fd2c08105fdab6238ee29c2fc'

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* commit '73dacabfc9b9ef1fd2c08105fdab6238ee29c2fc':
  ffv1: Check memory allocations

Conflicts:
	libavcodec/ffv1.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-04-13 19:59:41 +02:00
commit fb6dd77000
1 changed files with 14 additions and 5 deletions
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19
libavcodec/ffv1.c
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@ -111,22 +111,22 @@ av_cold int ffv1_init_slices_state(FFV1Context *f)
av_cold int ffv1_init_slice_contexts(FFV1Context *f)
{
int i;
int i, j;
f->slice_count = f->num_h_slices * f->num_v_slices;
av_assert0(f->slice_count > 0);
for (i = 0; i < f->slice_count; i++) {
FFV1Context *fs = av_mallocz(sizeof(*fs));
int sx = i % f->num_h_slices;
int sy = i / f->num_h_slices;
int sxs = f->avctx->width * sx / f->num_h_slices;
int sxe = f->avctx->width * (sx + 1) / f->num_h_slices;
int sys = f->avctx->height * sy / f->num_v_slices;
int sye = f->avctx->height * (sy + 1) / f->num_v_slices;
FFV1Context *fs = av_mallocz(sizeof(*fs));
if (!fs)
return AVERROR(ENOMEM);
goto memfail;
f->slice_context[i] = fs;
memcpy(fs, f, sizeof(*fs));
@ -139,10 +139,19 @@ av_cold int ffv1_init_slice_contexts(FFV1Context *f)
fs->sample_buffer = av_malloc_array((fs->width + 6), 3 * MAX_PLANES *
sizeof(*fs->sample_buffer));
if (!fs->sample_buffer)
return AVERROR(ENOMEM);
if (!fs->sample_buffer) {
av_free(fs);
goto memfail;
}
}
return 0;
memfail:
for (j = 0; j < i; j++) {
av_free(&f->slice_context[j]->sample_buffer);
av_free(&f->slice_context[j]);
}
return AVERROR(ENOMEM);
}
int ffv1_allocate_initial_states(FFV1Context *f)