[FFmpeg-devel] [PATCH]Set CODEC_PROPERTY_LOSSLESS for j2k for dwt53

[Michael Niedermayer]

On Fri, Jul 17, 2015 at 12:46:25PM +0200, Carl Eugen Hoyos wrote:
> Hi!
> 
> Attached patch allows to signal lossless mode when decoding j2k.
> 
> Please comment, Carl Eugen

>  jpeg2000dec.c |    3 +++
>  1 file changed, 3 insertions(+)
> 6a82e7f5e2e6448f69ff784461b4e3d84031fe10  patchj2klossless.diff
> diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c
> index 6e60c0a..53870f7 100644
> --- a/libavcodec/jpeg2000dec.c
> +++ b/libavcodec/jpeg2000dec.c
> @@ -469,6 +469,9 @@ static int get_cox(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *c)
>      /* set integer 9/7 DWT in case of BITEXACT flag */
>      if ((s->avctx->flags & CODEC_FLAG_BITEXACT) && (c->transform == FF_DWT97))
>          c->transform = FF_DWT97_INT;
> +    else if (c->transform == FF_DWT53) {
> +        s->avctx->properties |= FF_CODEC_PROPERTY_LOSSLESS;
> +    } 

LGTM

thanks

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

It is what and why we do it that matters, not just one of them.
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