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Islam Tazerout
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syncplay_chat.c
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228
syncplay_chat.c
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdlib.h>
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#include <ctype.h>
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/* VLC core API headers */
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#include <vlc_common.h>
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#include <vlc_plugin.h>
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#include <vlc_interface.h>
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#include <vlc_input.h>
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#include <vlc_aout.h>
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#include <vlc_viewpoint.h>
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#include <vlc_vout_osd.h>
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#include <vlc_playlist.h>
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#include <vlc_actions.h>
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#include <vlc_messages.h>
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#include <vlc_events.h>
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#include <vlc_variables.h>
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#include <vlc_keystore.h>
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#include <vlc_extensions.h>
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#include <vlc_configuration.h>
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#include <vlc_config.h>
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#include <vlc_config_cat.h>
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#include <vlc/vlc.h>
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const int64_t KEY_ACTION_MASK_ON = 0x7FFFFFFFFFFFFFFF;
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const int64_t KEY_ACTION_MASK_OFF = 0;
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vlc_thread_t th;
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input_thread_t *input = NULL;
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vlc_mutex_t lock;
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bool writing = false;
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int port = 0;
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char message[200];
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int message_size = 0;
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static int GetPort(vlc_object_t* libvlc) {
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char* lua_config = var_GetNonEmptyString(libvlc, "lua-config");
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if (!lua_config) return 0;
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char* config = malloc(strlen(lua_config) + 1);
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strcpy(config, lua_config);
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char* prt = strstr(config, "port=") + 6;
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if (!prt) return 0;
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*strchr(prt, '"') = '\0';
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int port = atoi(prt);
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free(config);
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return port;
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}
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// Changes the minimum and maximum value for the key-action thought simulating disabling the keyboard actions
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static void SetKeyActionMask(vlc_object_t* libvlc, int64_t *max) {
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int64_t min = 0;
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var_Change( libvlc, "key-action", VLC_VAR_SETMINMAX, &min, max);
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}
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// Detect playlist change event and aquire the input
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static int PlaylistEvent( vlc_object_t *p_this, char const *psz_var,
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vlc_value_t oldval, vlc_value_t val, void *p_data )
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{
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input = val.p_address;
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msg_Info(p_this, "Playlist state changed");
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port = GetPort(p_this->obj.libvlc);
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return VLC_SUCCESS;
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}
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// Updates OSD indirectly to avoid an unknown bug
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static void ShowText(vlc_object_t* libvlc) {
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var_SetInteger(libvlc, "syncplay-text", message_size);
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}
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// Hides the text
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static void HideText(vlc_object_t* libvlc) {
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message_size = 0;
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ShowText(libvlc);
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}
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// Thread that currently draws the bliking cursor
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static void *RunIntf(void*data) {
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vlc_object_t* libvlc = data;
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while(writing) {
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// SHOW CURSOR
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message[message_size] = '|';
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message[message_size + 1] = 0;
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if (input != NULL) {
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vout_OSDText(input_GetVout(input), 1, VOUT_ALIGN_TOP | VOUT_ALIGN_LEFT, 0xfffffffffff, message);
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}
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for (int i=0; i < 10; i++) {
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if (!writing) return; // REMOVE LATENCY -- Don't forget this is a thread
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msleep(50000);
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}
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// HIDE CURSOR
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message[message_size] = 0;
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if (input != NULL) {
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vout_OSDText(input_GetVout(input), 1, VOUT_ALIGN_TOP | VOUT_ALIGN_LEFT, 0xfffffffffff, message);
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}
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for (int i=0; i < 10; i++) {
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if (!writing) return; // REMOVE LATENCY -- Don't forget this is a thread
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msleep(50000);
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}
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}
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}
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// Display OSD text
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static int SynplayText( vlc_object_t *libvlc, char const *psz_var,
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vlc_value_t oldval, vlc_value_t newval, void *p_data )
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{
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if (input != NULL) {
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message[message_size] = 0;
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vout_OSDText(input_GetVout(input), 1, VOUT_ALIGN_TOP | VOUT_ALIGN_LEFT, 0xfffffffffff, message);
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}
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return 0;
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}
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// Handle key events
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static int KeyPressed( vlc_object_t *libvlc, char const *psz_var,
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vlc_value_t oldval, vlc_value_t newval, void *p_data )
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{
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intf_thread_t *intf = (intf_thread_t *)p_data;
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msg_Info(intf, "Synclpay: keypressed");
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int key_code = var_GetInteger(libvlc, "key-pressed");
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int key = key_code & 0xffff;
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int sup_key = (key_code >> 16) & 0xffff;
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// Some debug messages for ... debugging
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msg_Info(intf, "key Code: %d", key_code);
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msg_Info(intf, "Key: %d", key);
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msg_Info(intf, "Sup key: %d", sup_key);
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msg_Info(intf, "config: %s", var_GetNonEmptyString(libvlc, "lua-config"));
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msg_Info(intf, "port: %d", port);
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if (writing) {
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switch(key) {
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case KEY_BACKSPACE:
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message_size > 0 ? message_size-- : 0;
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break;
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case KEY_ENTER:
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case KEY_ESC:
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writing=false;
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SetKeyActionMask(libvlc, &KEY_ACTION_MASK_ON);
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break;
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default:
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if (key <= 127) {
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if (key == 32 && message_size > 0 && message[message_size - 1] != 32 || key != 32) {
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char ch = key;
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if (sup_key == 512 && isalpha(ch)) ch -= 0x20;
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message[message_size++] = ch;
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}
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}
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break;
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}
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switch(key) {
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case KEY_ENTER:
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{
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// Stops the thread
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vlc_cancel(th);
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msg_Info(intf, "message: %s", message);
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var_SetString(intf->obj.libvlc, "chat-message", message);
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}
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case KEY_ESC:
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HideText(libvlc);
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break;
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default:
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ShowText(libvlc);
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}
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} else {
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switch(key) {
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case KEY_ENTER:
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SetKeyActionMask(libvlc, &KEY_ACTION_MASK_OFF);
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writing = true;
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// Starts the thread
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vlc_clone(&th, RunIntf, intf->obj.libvlc, VLC_THREAD_PRIORITY_LOW);
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break;
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}
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}
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return VLC_SUCCESS;
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}
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static int Open(vlc_object_t *obj)
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{
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intf_thread_t *intf = (intf_thread_t *)obj;
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vlc_mutex_init(&lock);
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var_Create( intf->obj.libvlc, "syncplay-text", VLC_VAR_INTEGER);
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var_Create(intf->obj.libvlc, "chat-message", VLC_VAR_STRING);
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var_AddCallback(intf->obj.libvlc, "syncplay-text", SynplayText, intf );
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var_AddCallback( intf->obj.libvlc, "key-pressed", KeyPressed, intf );
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var_AddCallback( pl_Get(intf), "input-current", PlaylistEvent, intf );
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msg_Info(intf, "Synclpay");
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// Returns error even tho no error ? It's working so don't tuch it
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return 1;
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}
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static void Close(vlc_object_t *obj)
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{
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intf_thread_t *intf = (intf_thread_t *)obj;
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}
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vlc_module_begin()
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set_shortname(N_("Syncplay Chat"))
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set_description(N_("Syncplay Chat"))
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set_capability("interface", 200)
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set_callbacks(Open, Close)
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set_category(CAT_INTERFACE)
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set_subcategory(SUBCAT_INTERFACE_CONTROL)
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vlc_module_end ()
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