hvirtual/cinelerra/tunerserver.C

Go to the documentation of this file.

#include <arpa/inet.h>
#include "devicedvbinput.inc"
#include <errno.h>
#include <netdb.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <stdio.h>
#include <stdlib.h>
#include "renderfarm.inc"
#include "renderfarmclient.h"
#include "tunerserver.h"
#include <unistd.h>




TunerServer::TunerServer(RenderFarmClientThread *client)
{
        this->client = client;
        device_number = 0;
        port = 0;
        audio_pid = 0;
        video_pid = 0;
        channel = 0;
        table = 0;
        is_busy = 0;
        temp = 0;
        temp_allocated = 0;
        connection_closed = 0;
}


TunerServer::~TunerServer()
{
        delete [] temp;
}



void TunerServer::main_loop()
{
        int error = 0;

// Send status
        if(is_busy)
        {
                error = client->write_int64(1);
                return;
        }
        else
        {
                error = client->write_int64(0);
        }

        is_busy = 1;
        while(!error)
        {
                error = 0;



                int64_t command = client->read_int64(&error);




// Assume read error was connection closing.
                if(error) break;

//printf("TunerServerThread::run 1 command=%d\n", command);

                switch(command)
                {
                        case NETTUNE_SIGNAL:
                        {
                                int current_power = 0;
                                int current_lock = 0;
                                error = get_signal_strength(&current_power, &current_lock);
                                error = client->write_int64(error);
                                if(!error)
                                        error = client->write_int64(current_power);
                                if(!error)
                                        error = client->write_int64(current_lock);
                                break;
                        }

                        case NETTUNE_SET_TABLE:
                                table = client->read_int64(&error);
                                break;

                        case NETTUNE_SET_CHANNEL:
                                channel = client->read_int64(&error);
                                break;

                        case NETTUNE_SET_AUDIO_PID:
                                audio_pid = client->read_int64(&error);
                                break;

                        case NETTUNE_SET_VIDEO_PID:
                                video_pid = client->read_int64(&error);
                                break;

                        case NETTUNE_READ:
                        {
// Get requested size
                                int size = client->read_int64(&error);
                                if(temp_allocated < size)
                                {
                                        delete [] temp;
                                        temp = new unsigned char[size];
                                        temp_allocated = size;
                                }

// Get number of bytes read and buffer
                                int bytes_read = read_data(temp, size);
                                error = client->write_int64(bytes_read);
                                if(!error)
                                        error = client->write_socket((char*)temp, bytes_read);
                                break;
                        }

                        case NETTUNE_OPEN:
                        {
                                printf("TunerServerThread::run audio_pid=0x%x video_pid=0x%x table=%d channel=%d\n",
                                        audio_pid,
                                        video_pid,
                                        table,
                                        channel);
                                error = open_tuner();
                                error = client->write_int64(error);
                                break;
                        }


                        case NETTUNE_CLOSE:
                                error = 1;
                                break;
                }
        }

        printf("TunerServerThread::run: connection closed\n");

        close_tuner();
        is_busy = 0;
}

int TunerServer::get_channel()
{
        return channel;
}

int TunerServer::get_table()
{
        return table;
}

int TunerServer::get_audio_pid()
{
        return audio_pid;
}

int TunerServer::get_video_pid()
{
        return video_pid;
}

int TunerServer::get_device_number()
{
        return device_number;
}


int TunerServer::open_tuner()
{
        return 1;
}

int TunerServer::close_tuner()
{
        return 1;
}


int TunerServer::get_signal_strength(int *current_power, int *current_lock)
{
        return 1;
}

int TunerServer::read_data(unsigned char *data, int size)
{
        return 0;
}

---