avfilter/lavfutils: Don't use uninitialized pointers for freeing
Happened on several error conditions, e.g. if there is just no decoder for the format (like with svg images). Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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@ -28,9 +28,9 @@ int ff_load_image(uint8_t *data[4], int linesize[4],
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AVInputFormat *iformat = NULL;
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AVFormatContext *format_ctx = NULL;
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AVCodec *codec;
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AVCodecContext *codec_ctx;
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AVCodecContext *codec_ctx = NULL;
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AVCodecParameters *par;
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AVFrame *frame;
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AVFrame *frame = NULL;
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int frame_decoded, ret = 0;
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AVPacket pkt;
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AVDictionary *opt=NULL;
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