> 2020年3月28日 下午12:24，Gautam Ramakrishnan <gautamr...@gmail.com> 写道：
>
> On Sat, Mar 28, 2020 at 9:49 AM <gautamr...@gmail.com> wrote:
should the title be jpeg2000dec?, it maybe is a typo if I don’t misunderstand.
>>
>> 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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Thanks
Steven Liu
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