Re: [vdr] determine within plugin, whether radio or tv stream

[Klaus Schmidinger]

On 30.01.2016 13:00, Joerg Riechardt wrote:



Am 28.01.2016 um 15:58 schrieb Klaus Schmidinger:

On 27.01.2016 19:58, Joerg Riechardt wrote:

Am 27.01.2016 um 14:45 schrieb Stefan Braun:

Hi,
i do this in my plugins in the following way (Channel is a cChannel
object):
bool isRadio = !Channel->Vpid() && Channel->Apid(0);

cheers Louis


Well, I should have mentioned, that this is about a player plugin. So
the stream it receives from VDR might be a recording as well.
The question more precisely is, how do I get the video pid and audio
pid (or be sure there is no video pid) out of the stream. I guess I
need to parse it.
Or if there is a better way of doing this.
Joerg


Maybe the function cPlayer::DeviceIsPlayingVideo() can help?

Klaus


Do you mean, isPlayingVideo should be implemented in the plugin the way it is 
done in dvbffhddevice.c,
or do you mean VDR could push the information detected in cDevice::PlayTs() to 
the plugin?
If the later, could you elaborate on how to make VDR do that and how to receive 
it in the plugin?


From within your derived cPlayer class simply call DeviceIsPlayingVideo().
It returns true if any video data has been encountered.

Klaus

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Re: [vdr] determine within plugin, whether radio or tv stream

[Klaus Schmidinger]

On 27.01.2016 19:58, Joerg Riechardt wrote:

Am 27.01.2016 um 14:45 schrieb Stefan Braun:

Hi,
i do this in my plugins in the following way (Channel is a cChannel object):
bool isRadio = !Channel->Vpid() && Channel->Apid(0);

cheers Louis


Well, I should have mentioned, that this is about a player plugin. So the 
stream it receives from VDR might be a recording as well.
The question more precisely is, how do I get the video pid and audio pid (or be 
sure there is no video pid) out of the stream. I guess I need to parse it.
Or if there is a better way of doing this.
Joerg


Maybe the function cPlayer::DeviceIsPlayingVideo() can help?

Klaus

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Re: [vdr] determine within plugin, whether radio or tv stream

[Joerg Riechardt]

Am 27.01.2016 um 14:45 schrieb Stefan Braun:

Hi,
i do this in my plugins in the following way (Channel is a cChannel object):
bool isRadio = !Channel->Vpid() && Channel->Apid(0);

cheers Louis


Well, I should have mentioned, that this is about a player plugin. So 
the stream it receives from VDR might be a recording as well.
The question more precisely is, how do I get the video pid and audio pid 
(or be sure there is no video pid) out of the stream. I guess I need to 
parse it.

Or if there is a better way of doing this.
Joerg



*Gesendet:* Mittwoch, 27. Januar 2016 um 11:48 Uhr
*Von:* "Joerg Riechardt" 
*An:* "vdr@linuxtv.org" 
*Betreff:* [vdr] determine within plugin, whether radio or tv station
Hi,
what is a safe way to determine within a plugin, whether the stream it
is receiving from VDR is a radio or a tv stream?
There are tv streams with slowly changing still pictures, there are
radio plugins which insert grafical information, so I am not sure if
this could be achived by analysing the stream.
Of cause there is the video pid. Is there a standard way to get that to
the plugin?
Do I think to complicated or am I missing something?
The plugin needs to know within less than 100ms after start of stream.
Joerg

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