Hi!
Attached patch allows to signal lossless mode when decoding j2k.
Please comment, Carl Eugen
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;
+ }
if (c->csty & JPEG2000_CSTY_PREC) {
int i;
_______________________________________________
ffmpeg-devel mailing list
[email protected]
http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
