Record yourself in a VC

DPP supports receiving audio. This examples show how to use it to record some user in a VC.

Note

Voice receiving by bots is not officially supported by the Discord API. We cannot guarantee that this feature will work in the future.

#include <dpp/dpp.h>
#include <iomanip>
#include <sstream>
 
int main(int argc, char const *argv[])
{
    /* Example to record a user in a VC
    * 
    * Recording is output as './me.pcm' and you can play it via the soundboard example
    * or use ffmpeg 'ffplay -f s16le -ar 48000 -ac 2 -i ./me.pcm'
    */
 
    /* Replace with the user's id you wish to record */
    dpp::snowflake user_id = 407877550216314882;
 
    dpp::cluster bot("token");
 
    FILE *fd;
    fd = fopen("./me.pcm", "wb");
 
    /* Use the on_message_create event to look for commands */
    bot.on_message_create([&bot, &fd](const dpp::message_create_t & event) {
 
        std::stringstream ss(event.msg->content);
        std::string command;
 
        ss >> command;
 
        /* Tell the bot to record */
        if (command == ".record") {
            dpp::guild * g = dpp::find_guild(event.msg->guild_id);
            if (!g->connect_member_voice(event.msg->author->id)) {
                bot.message_create(dpp::message(
                    event.msg->channel_id, 
                    "You don't seem to be on a voice channel! :("
                ));
            }
        }
 
        /* Tell the bot to stop recording */
        if (command == ".stop") {
            event.from->disconnect_voice(event.msg->guild_id);
            fclose(fd);
        }
    });
 
    bot.on_voice_receive([&bot, &fd, &user_id](const dpp::voice_receive_t &event) {
        if (event.user_id == user_id) {
            fwrite((char *)event.audio, 1, event.audio_size, fd);
        }
    });
 
    /* Start bot */
    bot.start(false);
    return 0;
}