On Fri, Oct 14, 2016 at 01:31:12AM +0200, Michael Niedermayer wrote:
> On Thu, Oct 13, 2016 at 04:41:00PM +0200, Ståle Kristoffersen wrote:
> > On 2016-10-12 at 13:57, Carl Eugen Hoyos wrote:
> > > 2016-10-11 16:27 GMT+02:00 Michael Niedermayer :
> > >
> > > > also the img2 demuxer for mjpeg2000 f
On Thu, Oct 13, 2016 at 04:41:00PM +0200, Ståle Kristoffersen wrote:
> On 2016-10-12 at 13:57, Carl Eugen Hoyos wrote:
> > 2016-10-11 16:27 GMT+02:00 Michael Niedermayer :
> >
> > > also the img2 demuxer for mjpeg2000 from img2dec.c does not work
> > > for this ?
> >
> > We separated the jpg from
On 2016-10-12 at 13:57, Carl Eugen Hoyos wrote:
> 2016-10-11 16:27 GMT+02:00 Michael Niedermayer :
>
> > also the img2 demuxer for mjpeg2000 from img2dec.c does not work
> > for this ?
>
> We separated the jpg from the mjpeg probe, jpg makes sure that the
> sample starts like a jpg image and cont
On 2016-10-12 at 23:05, Carl Eugen Hoyos wrote:
> Perhaps you can provide ffmpeg -i output for a file with PMT and PAT
> if you cannot share a sample?
Okay, here are three samples i have:
$ ffmpeg -i sample1.ts
ffmpeg version N-80172-g79b6c9a Copyright (c) 2000-2016 the FFmpeg developers
bui
2016-10-12 17:40 GMT+02:00 Ståle Kristoffersen :
> On 2016-10-12 at 17:32, Carl Eugen Hoyos wrote:
>> 2016-10-12 16:57 GMT+02:00 Ståle Kristoffersen :
>> > I do (they are decodable by ffmpeg without the patch if I take the
>> > whole stream with PMT, or with only the j2k-pid using my patch),
>> >
On 2016-10-12 at 17:32, Carl Eugen Hoyos wrote:
> 2016-10-12 16:57 GMT+02:00 Ståle Kristoffersen :
> > I do (they are decodable by ffmpeg without the patch if I take the whole
> > stream with PMT, or with only the j2k-pid using my patch), but I am unsure
> > if I can share them.
>
> Maybe you c
2016-10-12 16:57 GMT+02:00 Ståle Kristoffersen :
> On 2016-10-12 at 13:54, Carl Eugen Hoyos wrote:
>> 2016-10-11 15:52 GMT+02:00 Ståle kristoffersen :
>>
>> > I have some transport streams with only one pid, containing MJPEG 2000
>> > video. Since the PMT/PAT is missing ffmpeg is unable to decode i
On 2016-10-12 at 13:54, Carl Eugen Hoyos wrote:
> 2016-10-11 15:52 GMT+02:00 Ståle kristoffersen :
>
> > I have some transport streams with only one pid, containing MJPEG 2000
> > video. Since the PMT/PAT is missing ffmpeg is unable to decode it.
>
> Do you also have samples that can be decoded b
2016-10-11 16:27 GMT+02:00 Michael Niedermayer :
> also the img2 demuxer for mjpeg2000 from img2dec.c does not work
> for this ?
We separated the jpg from the mjpeg probe, jpg makes sure that the
sample starts like a jpg image and contains an end marker and can
be decoded, mjpeg probe is less str
2016-10-11 15:52 GMT+02:00 Ståle kristoffersen :
> I have some transport streams with only one pid, containing MJPEG 2000
> video. Since the PMT/PAT is missing ffmpeg is unable to decode it.
Do you also have samples that can be decoded by FFmpeg? (We don't)
How are your samples produced? Do you h
On 2016-10-11 at 16:27, Michael Niedermayer wrote:
> > +for (i=0; ibuf_size-5; i++) {
> > +soc = AV_RB16(p->buf + i);
> > +if (soc == JPEG2000_SOC ) {
> > +marker = AV_RB16(p->buf + i + 2);
> > +marker_size = AV_RB16(p->buf + i + 4);
> > +if
On 2016-10-11 at 16:23, Moritz Barsnick wrote:
> On Tue, Oct 11, 2016 at 15:52:33 +0200, Ståle kristoffersen wrote:
> > + * VC-1 demuxer
> > + * Copyright (c) 2016 Ståle Kristoffersen
>
> I don't think it's a VC-1 demuxer. ;-)
I guess I took the line "Do not copy and paste it from a random place,
On Tue, Oct 11, 2016 at 03:52:33PM +0200, Ståle kristoffersen wrote:
> Hi,
> I have some transport streams with only one pid, containing MJPEG 2000
> video. Since the PMT/PAT is missing ffmpeg is unable to decode it.
>
> The attached patch makes ffmpeg able to guess that it does contain a
> stream
On Tue, Oct 11, 2016 at 15:52:33 +0200, Ståle kristoffersen wrote:
> + * VC-1 demuxer
> + * Copyright (c) 2016 Ståle Kristoffersen
I don't think it's a VC-1 demuxer. ;-)
Moritz
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Hi,
I have some transport streams with only one pid, containing MJPEG 2000
video. Since the PMT/PAT is missing ffmpeg is unable to decode it.
The attached patch makes ffmpeg able to guess that it does contain a
stream of jpeg 2000, but I am not sure if this is the correct approach.
Also, should L
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