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lavc/smvjpegdec: fix mem leak in case of init failure

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Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
This commit is contained in:
Lukasz Marek 2014-11-22 23:25:12 +01:00
parent efe34e87eb
commit 02cb7d4c9c
1 changed files with 19 additions and 15 deletions
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34
libavcodec/smvjpegdec.c
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@ -75,6 +75,20 @@ static inline void smv_img_pnt(uint8_t *dst_data[4], uint8_t *src_data[4],
dst_data[1] = src_data[1];
}
static av_cold int smvjpeg_decode_end(AVCodecContext *avctx)
{
SMVJpegDecodeContext *s = avctx->priv_data;
MJpegDecodeContext *jpg = &s->jpg;
int ret;
jpg->picture_ptr = NULL;
av_frame_free(&s->picture[0]);
av_frame_free(&s->picture[1]);
ret = avcodec_close(s->avctx);
av_freep(&s->avctx);
return ret;
}
static av_cold int smvjpeg_decode_init(AVCodecContext *avctx)
{
SMVJpegDecodeContext *s = avctx->priv_data;
@ -89,8 +103,10 @@ static av_cold int smvjpeg_decode_init(AVCodecContext *avctx)
return AVERROR(ENOMEM);
s->picture[1] = av_frame_alloc();
if (!s->picture[1])
if (!s->picture[1]) {
av_frame_free(&s->picture[0]);
return AVERROR(ENOMEM);
}
s->jpg.picture_ptr = s->picture[0];
@ -120,6 +136,8 @@ static av_cold int smvjpeg_decode_init(AVCodecContext *avctx)
}
av_dict_free(&thread_opt);
if (ret < 0)
smvjpeg_decode_end(avctx);
return ret;
}
@ -176,20 +194,6 @@ static int smvjpeg_decode_frame(AVCodecContext *avctx, void *data, int *data_siz
return ret;
}
static av_cold int smvjpeg_decode_end(AVCodecContext *avctx)
{
SMVJpegDecodeContext *s = avctx->priv_data;
MJpegDecodeContext *jpg = &s->jpg;
int ret;
jpg->picture_ptr = NULL;
av_frame_free(&s->picture[0]);
av_frame_free(&s->picture[1]);
ret = avcodec_close(s->avctx);
av_freep(&s->avctx);
return ret;
}
static const AVClass smvjpegdec_class = {
.class_name = "SMVJPEG decoder",
.item_name = av_default_item_name,