On Sat, Mar 28, 2020 at 3:54 PM Carl Eugen Hoyos <ceffm...@gmail.com> wrote:
>
> Am Sa., 28. März 2020 um 05:19 Uhr schrieb <gautamr...@gmail.com>:
> >
> > From: Gautam Ramakrishnan <gautamr...@gmail.com>
> >
> > This patch allows decoding of j2k streams which do
> > not have an EOC marker. OpenJPEG implements a similar
> > check.
> > ---
> > libavcodec/jpeg2000dec.c | 5 +++--
> > 1 file changed, 3 insertions(+), 2 deletions(-)
> >
> > diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c
> > index 44b3e7e41b..99fcb2cf68 100644
> > --- a/libavcodec/jpeg2000dec.c
> > +++ b/libavcodec/jpeg2000dec.c
> > @@ -2076,8 +2076,9 @@ static int
> > jpeg2000_read_main_headers(Jpeg2000DecoderContext *s)
> >
> > len = bytestream2_get_be16(&s->g);
> > if (len < 2 || bytestream2_get_bytes_left(&s->g) < len - 2) {
> > - av_log(s->avctx, AV_LOG_ERROR, "Invalid len %d left=%d\n",
> > len, bytestream2_get_bytes_left(&s->g));
> > - return AVERROR_INVALIDDATA;
> > + av_log(s->avctx, AV_LOG_WARNING, "Invalid len %d left=%d\n",
> > len, bytestream2_get_bytes_left(&s->g));
> > + av_log(s->avctx, AV_LOG_WARNING, "Stream does not end with
> > EOC.\n");
> > + return 0;
>
> The return value should depend on the "strictness" requested by the user,
> grep for "EXPLODE".
>
I did not understand this point too well. Could you point out some example I
could refer to?
> As said, the first two patches are (imo) not ok, either merge them or split
> them differently so that the first does not add an unused function but
> only splits ("uselessly" but making the second patch easier to read) an
> existing function.
>
Shall do that. What is your opinion on the third patch? Do you feel
the fix is right?
> Carl Eugen
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--
-------------
Gautam |
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