[libdvbpsi-devel] Help with button

[Jean-Paul Saman]

This is the wrong mailinglist. You need to send this to vlc-devel at 
videolan.org

Grtz,
Jena-Paul Saman.

Héctor Rámila wrote:
> Hi I am implementing a new button function. Thanks to the help of the
> forum's people I have been able to show the button beside the PLAY button.
> Now I was finding out how to run this funtion but I am not a so good
> programmer for this issues and I am not able to understand how is working.
> Looking around I saw some codes about the buttons and the change of
> variables.
> 
> Let me show what I´ve done and explain what I would like to do if anyone
> could help.
> 
> I have modified the file "ts.c" in /modules/mux/mpeg folder. In this file I
> have attached some funtions to stream a new PSI table and new boolean
> variables. Now I am trying to change the value of a boolean variable through
> the button before I have told:
> 
> add_bool( SOUT_CFG_PREFIX "enable-HAT", 0, NULL, HAT_TEXT, HAT_LONGTEXT,
> VLC_TRUE);
> [...]
> static const char *ppsz_sout_options[] = {
> "pid-video", "pid-audio", "pid-spu", "pid-pmt", "tsid", "netid",
> "es-id-pid", "shaping", "pcr", "bmin", "bmax", "use-key-frames",
> "dts-delay", "csa-ck", "csa-pkt", "crypt-audio", "crypt-video",
> "muxpmt", "sdtdesc", "program-pmt", "alignment", "enable-HAT",
> "numpmt-f" , "pidpmt-f" , "numpmt-s" , "pidpmt-s",
> NULL
> };
> 
> The boolean "enable-Hat" appears in the MUX funtion in the file "ts.c". With
> the first two lines I want to receive the order from the button which I will
> explain afterwars his code:
> 
> sout_instance_t *pa_mux = (sout_instance_t *)p_mux->parent;
> [...]
> p_sys->enhat = var_CreateGetBool( pa_mux, SOUT_CFG_PREFIX "enable-HAT" );
> if(p_sys->enhat)
> {
> GetHAT( p_mux, &chain_ts );
> }
> 
> In the "interface.cpp" file in /modules/gui/wxwidgets I have modified the
> code to show the button and it´s done properly. The problem is the code to
> change the boolean said backwards. The code is the next:
> 
> void Interface::OnDecodeHAT( wxCommandEvent& WXUNUSED(event) )
> {
> DecodeHAT();
> }
> 
> void Interface::DecodeHAT()
> {
> sout_instance_t *p_mux = (sout_instance_t *)vlc_object_find(p_intf,
> VLC_OBJECT_SOUT, FIND_ANYWHERE);
> if( p_mux = NULL )
> {
> msg_Warn(p_intf, "Object not found");
> return;
> }
> var_SetBool(p_mux, "enable-HAT", VLC_TRUE);
> 
> vlc_object_release( p_mux );
> }
> 
> But the make give the error:interface.cpp:1095:error:invalid use of
> undefined type 'struct sout_instance_t', the line referred to varSetBool...
> And the same for the line 1097, the line vlc_object_release...
> 
> Now I don´t know what to do as I feel little lost. I'm aware the message is
> a little large but there is none who can help me aside the forum people. If
> anyone could aid me to learn how doing it I would be very grateful.
> Thanks and regards
> 
> 
> 
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