[FFmpeg-devel] [PATCH]Support j2k in mov

[Michael Niedermayer]

On Wed, Jul 17, 2013 at 12:03:47AM +0200, Carl Eugen Hoyos wrote:
> Hi!
> 
> Attached patch fixes decoding of j2k in mov (like the sample from ticket 
> #860), this is a regression in 2.0 as reported by Piotr.
> 
> Please comment, Carl Eugen

>  jpeg2000dec.c |    2 ++
>  1 file changed, 2 insertions(+)
> 732e6cea19cb8e659b602d56e15b1ef68a3b25f4  patchjpeg2000mov.diff
> diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c
> index d9b9888..a46fded 100644
> --- a/libavcodec/jpeg2000dec.c
> +++ b/libavcodec/jpeg2000dec.c
> @@ -1429,6 +1429,8 @@ static int jpeg2000_decode_frame(AVCodecContext *avctx, void *data,
>          }
>      } else {
>          bytestream2_seek(&s->g, 0, SEEK_SET);
> +        if (!jp2_find_codestream(s))
> +            bytestream2_seek(&s->g, 0, SEEK_SET);

probably ok

note; ive also posted an alternative patch
it might make sense to apply both as they handle slighty different
cases

[...]

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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

He who knows, does not speak. He who speaks, does not know. -- Lao Tsu
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