On Sat, Mar 28, 2020 at 9:49 AM <gautamr...@gmail.com> wrote:
>
> 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;
> }
>
> switch (marker) {
> --
> 2.17.1
>
Hi,
@Carl, on adding this patch series, looks like the frames of
http://samples.ffmpeg.org/jpeg2000/jpeg2000_mxf_first_10mb.mxf
also seems to be decoded correctly. Have sent this patch for your
comments.
--
-------------
Gautam |
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