73 replies to this topic

[luisteraar]

https://github.com/O...encoder.cpp#L39

Thank for the link i think it is a old version that only transcode to hdmi.

 

Iám looking for the leatest transcode source from oe-aliance what i found

is the original from vu+

[luisteraar]

Pfff i have found the problem ,the different between GB and VU

 

Gb use a extra pid

 

HAVE_EXT_PID is for GB

els for VU

 

#ifdef HAVE_EXT_PID

                IOCTL_SET_VPID   = 11,

                IOCTL_SET_APID   = 12,

                IOCTL_SET_PMTPID = 13,

#else

                IOCTL_SET_VPID   = 1,

                IOCTL_SET_APID   = 2,

                IOCTL_SET_PMTPID = 3,

#endif

 

Cheers time for a beer

Edited by luisteraar, 24 July 2023 - 19:06.

[WanWizard]

PR ?

[luisteraar]

There is a maintainer

[WanWizard]

I don't care about this plugin, which, as mentioned before, should not be needed in OpenPLi as OpenPLi does transcoding internally.

 

So if that doesn't work in OpenPLi on a GB, it needs to be fixed in OpenPLi, instead of constantly coming up with workarounds in plugins.

[luisteraar]

sorry in the openpli version is allreade the differents

the  IOCTL_SET_VPID   = 11,  IOCTL_SET_APID   = 12,  IOCTL_SET_PMTPID = 13,

are handled in openpli as mips.

 

i have to look tomorrow if openpli use the mips values for the GB

[WanWizard]

Ok.

 

If so, then we're back to "why is this plugin needed anyway" ?

[Frenske]

I don't care about this plugin, which, as mentioned before, should not be needed in OpenPLi as OpenPLi does transcoding internally.

 

So if that doesn't work in OpenPLi on a GB, it needs to be fixed in OpenPLi, instead of constantly coming up with workarounds in plugins.

That depends whether this is caused by outdated GB drivers. As we are aware GB doesn’t offer us any BSP updates since long ago. 

[luisteraar]

WW i am talking about internet transcode
for GB.
it does not work now Read onder post
with explenation wy.
it can be fixed

[WanWizard]

What is internet transcode? Afaik no box can hardware transcode an internet stream?

[luisteraar]

hahaha
mijn telefoon heeft problemen met Engels.

internet transcode should be internal enigma.

we know the problem and can be fixed

Edited by luisteraar, 25 July 2023 - 04:28.

[luisteraar]

i think i found the problem.

it looks like gigablue only has 1 decoder vu 4

can someone check this in /proc/stb/encoder/

the openpli method occupies 2 encoders per transcode

 

streamproxy only uses 1 because it gets the input with stream from local host.

[Erik Slagter]

stick to the truth.
i just said transcode doesn't work on gigablue .
If it doesn't work, it's crap
oe-aliance has a good working .
my question was can it get into the feed.

No more and no less.

 

It means the interface and implementation on GB is "crap" "no more and no less", in your words. If you can point me to the code which needs to be changed to be "compliant" with the deviating interface of GB and it still remains fully working on VU+, I'll happily change it.

 

Obviously you don't have a clue. The difference in IOCTL ids is between older and newer versions of the Broadcom SDK. It has nothing to do with VU+ or GB. There is no way to know from the code, so it will try both. And obviously, it the old SDK is used in the drivers (probable with GB), then the first try will give an error. The next try with the old ID will succeed, no problems there.

 

The amount of transcoders is also something you got completely wrong. It's dependent on the hardware and the drivers. Here also there is no other way to know than simply try, as VU+ (and GB probably too) will always create two transcoding devices, even if only one is supported, so some "internal" errors are to be expected.

 

Also, are we talking about the streamproxy here, or the broadcom transcoding I built into enigma? It's a whole different world.

 

IIRC we already added the original VU+ transstreamproxy in the feed long ago, for those who like to try their luck. It's an executable, not a plugin. The plugin is just to satisfy the OWIF.

Edited by Erik Slagter, 26 July 2023 - 17:12.

[luisteraar]

Many thanks for the awnser

 

ik mis reply on mij last post

 

 

 

i think i found the problem.

it looks like gigablue only has 1 decoder vu 4

can someone check this in /proc/stb/encoder/

the openpli method occupies 2 encoders per transcode

 

streamproxy only uses 1 because it gets the input with stream from local host.

 

 

If I start transcode op GB ik got the error

 

[eEncoder] no encoders free

 

it is generated here

 

 for(encoder_index = 0; encoder_index < (int)encoder.size(); encoder_index++)

                if(encoder[encoder_index].state == EncoderContext::state_idle)

                        break;

 

        if(encoder_index >= (int)encoder.size())

        {

                eWarning("[eEncoder] no encoders free");

                return(-1);

        }

 

 

The streamproxy extern program does not have dat problem/

Edited by luisteraar, 26 July 2023 - 17:53.

[Erik Slagter]

The support for transcoding for Broadcom (VU+, GB...) within Enigma is highly experimental, for two reasons:

- there are (of course undocumented) differences in the interfaces between VU+ and GB (and other manufacturers) that make it difficult to make it work on all of them. Change it to work on one, it stops working on another.

- the interface of the "Xtrend" transcoding, which is supported by enigma natively, is quite different to the Broadcom one. It's not so hard to implement in Enigma because a lot of the work is already done within the hardware and drivers. Adding Broadcom support to enigma was non-trivial because there are critically timed required parallel sections, which is hard to implement in the framework of Enigma. Also the Enigma framework is supplying functions for recording from a demuxer device to a file device, which perfectly fits the "Xtrend" transcoding interface. It doesn't fit the Broadcom interface, let me assure you. I've had to make changes in the recording code that broke normal recording at totally random events, but only one some receivers, which of course is unacceptable. I now have it on a level where normal recording doesn't seem to break, so I am not to keen on making changes there. What needs to be done is duplicate the recording framework of Enigma and tailor it for transcoding, so they do not share code anymore. That's not so easy as it sounds because there are hardcoded assumptions sprinkled all over the code in Enigma, so that all would need to be fixed. Personally I am not up to that task. If someone with a thorough understanding of the internals of Enigma would step up, I'd gladly join though.

 

So in short, for Xtrend type transcoding, use the internal Enigma support. For VU+ the internal Enigma support should be fine too, but may be a little less robust than the streamproxy. Otherwise, and for GB, use streamproxy. If it doesn't work on GB, and someone can point me to the culprit there, I'd happily make a workaround. Streamproxy was from the start designed to be fully parameterised (i.o.w. designed for workarounding) and it should be possible to create a workaround one way or another, without affecting other manufacturer's functionality.

[luisteraar]

if have written wat possible the problem
on GB is.
GB seems to have only 1 encoder.
enigma needs minimum 2 free encoders.
the proxy can work with one encoder while
the input Come from a ip stream to
local host.
for the GB users it wil be better if the
proxy Come back to the feed

Edited by luisteraar, 26 July 2023 - 20:12.

[luisteraar]

It's time to work more on de drivers.

modinfo dvb

filename:       /lib/modules/4.1.20-1.9/extra/dvb.ko

license:        GPL

description:    BCM7xxx dvb adapter driver

version:        20211026155503-u171

depends:        

vermagic:       4.1.20-1.9 SMP mod_unload ARMv7 p2v8

 

it is gpl for bcmxxxx i think it is possible to

increase the number of encoders.

 

Do have someone the source code of the module ?

 

By the way the modern h9se has only 2 encoders 

the gbquad4k 1 and the VU ????

 

1 endoder is alreade in use if jou watch tv it transcode to

format to tv format.

I am also interested if the bitrate is decrease so it can fit in hdmi.

 

I am intrested in awnsers

[WanWizard]

You can forget it being GPL, whatever is shown. The Broadcom SDK has one of the strickest NDA's in the business.

[luisteraar]

What about this

 

https://github.com/Broadcom/stblinux

[WanWizard]

Have you actuially checked what it is?