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lavc/gifdec: move idx_line allocation out of gif_read_header1()

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Now allocation is done only if av_image_check_size() passes.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-01-25 12:46:57 +00:00
parent 285128eedf
commit 51c7af9d32
1 changed files with 4 additions and 4 deletions
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8
libavcodec/gifdec.c
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@ -376,10 +376,6 @@ static int gif_read_header1(GifState *s)
return AVERROR_INVALIDDATA;
}
av_fast_malloc(&s->idx_line, &s->idx_line_size, s->screen_width);
if (!s->idx_line)
return AVERROR(ENOMEM);
v = bytestream2_get_byteu(&s->gb);
s->color_resolution = ((v & 0x70) >> 4) + 1;
s->has_global_palette = (v & 0x80);
@ -486,6 +482,10 @@ static int gif_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, A
return ret;
}
av_fast_malloc(&s->idx_line, &s->idx_line_size, s->screen_width);
if (!s->idx_line)
return AVERROR(ENOMEM);
s->picture.pict_type = AV_PICTURE_TYPE_I;
s->picture.key_frame = 1;
s->keyframe_ok = 1;