Hi!
I just tested a patch to make the j2k encoder lossless by default
but I had not realized that the encoder does listen to -qscale which
might make more sense.
So instead I suggest the attached documentation update and the
removal of the experimental flag.
Please comment, Carl Eugen
diff --git a/libavcodec/j2kenc.c b/libavcodec/j2kenc.c
index dcdf411..047dc13 100644
--- a/libavcodec/j2kenc.c
+++ b/libavcodec/j2kenc.c
@@ -1132,7 +1132,6 @@ AVCodec ff_jpeg2000_encoder = {
.init = j2kenc_init,
.encode2 = encode_frame,
.close = j2kenc_destroy,
- .capabilities = CODEC_CAP_EXPERIMENTAL,
.pix_fmts = (const enum AVPixelFormat[]) {
AV_PIX_FMT_RGB24, AV_PIX_FMT_YUV444P, AV_PIX_FMT_GRAY8,
/* AV_PIX_FMT_YUV420P,
diff --git a/doc/encoders.texi b/doc/encoders.texi
index 8fed2fc..851c3ae 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -1342,6 +1342,21 @@ disabled
A description of some of the currently available video encoders
follows.
+@section jpeg2000
+
+The native jpeg 2000 encoder is lossy by default, the @code{-q:v}
+option can be used to set the encoding quality. Lossless encoding
+can be selected with @code{-pred 1}.
+
+@subsection Options
+
+@table @option
+@item format
+Can be set to either @code{j2k} or @code{jp2} (the default) that
+allows to store non-rgb pix_fmts.
+
+@end table
+
@section libtheora
libtheora Theora encoder wrapper.
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
