int
main (int argc, char **argv)
{
char *image_name = NULL; /* output filename */
bool_t double_resolution = NO; /* double resolution of image */
bool_t panel = NO; /* control panel */
int fps = -1; /* frame display rate */
fiasco_d_options_t *options = NULL; /* additional coder options */
int last_arg; /* last processed cmdline parameter */
init_error_handling (argv[0]);
last_arg = checkargs (argc, argv, &double_resolution, &panel, &fps,
&image_name, &options);
if (last_arg >= argc)
video_decoder ("-", image_name, panel, double_resolution, fps, options);
else
while (last_arg++ < argc)
video_decoder (argv [last_arg - 1], image_name, panel,
double_resolution, fps, options);
return 0;
}
/* Video Transmit loop
*
* only transmit Video data , fetch data from webcam , and ecoder that as YUV420 frame .
*/
static void *Video_Tx_loop()
{
unsigned int count = 0;
/* init socket data*/
int Tx_socket ;
struct sockaddr_in Tx_addr;
if((Tx_socket = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
printf("Socket Faile\n");
exit(-1);
}
Tx_addr.sin_family = AF_INET;
Tx_addr.sin_port = htons(VIDEO_NET_PORT);
Tx_addr.sin_addr.s_addr=inet_addr(NET_HOST);
/* Webcam init */
sys_info.cam.handle = webcam_open();
webcam_show_info(sys_info.cam.handle);
webcam_init(sys_info.cam.width, sys_info.cam.height, sys_info.cam.handle);
webcam_set_framerate(sys_info.cam.handle, 15);
webcam_start_capturing(sys_info.cam.handle);
struct timeval t_start,t_end;
double uTime =0.0;
int total_size=0;
struct vbuffer *webcam_buf;
/* start video capture and transmit */
printf("Video Tx Looping\n");
gettimeofday(&t_start, NULL);
while(sys_get_status() != SYS_STATUS_RELEASE) {
/* start Tx Video */
while (sys_get_status() == SYS_STATUS_WORK) {
webcam_buf = wait_webcam_data();
if (webcam_buf !=NULL) {
count++;
struct AVPacket *pkt_ptr = video_encoder(webcam_buf->start);
/* ------------------------------------- */
/* direct display in localhost */
unsigned char *RGB_buffer = NULL;
video_decoder(pkt_ptr->data, pkt_ptr->size, &RGB_buffer);
RGB24_to_RGB565(RGB_buffer, RGB565_buffer, sys_info.cam.width, sys_info.cam.height);
FB_display(RGB565_buffer, 0, 0, sys_info.cam.width, sys_info.cam.height);
total_size += pkt_ptr->size;
/* network transmit */
struct VOD_DataPacket_struct Tx_Buffer;
/* Tx header */
Tx_Buffer.DataType = VOD_PACKET_TYPE_FRAME_HEADER;
memcpy(&Tx_Buffer.header, pkt_ptr, sizeof(AVPacket));
sendto(Tx_socket, (char *)&Tx_Buffer, sizeof(Tx_Buffer), 0, (struct sockaddr *)&Tx_addr, sizeof(struct sockaddr_in));
/* Tx data , 1024 bit per transmit */
int offset =1024 ;
int remain_size = pkt_ptr->size ;
Tx_Buffer.DataType = VOD_PACKET_TYPE_FRAME_DATA;
Tx_Buffer.data.ID = 0 ;
while(remain_size > 0) {
if (remain_size < 1024) { /* verify transmit data size*/
Tx_Buffer.data.size = remain_size ;
}
else {
Tx_Buffer.data.size = 1024 ;
}
memcpy(&Tx_Buffer.data.data[0], pkt_ptr->data + Tx_Buffer.data.ID * 1024, sizeof(char) * Tx_Buffer.data.size);
sendto(Tx_socket, (char *)&Tx_Buffer, sizeof(Tx_Buffer), 0, (struct sockaddr *)&Tx_addr, sizeof(struct sockaddr_in));
Tx_Buffer.data.ID ++ ;
remain_size -= Tx_Buffer.data.size ;
}
}
else {
printf("webcam_read_frame error\n");
}
}
usleep(50000);
}
gettimeofday(&t_end, NULL);
uTime = (t_end.tv_sec -t_start.tv_sec)*1000000.0 +(t_end.tv_usec -t_start.tv_usec);
printf("Total size : %d bit , frame count : %d\n", total_size, count);
printf("Time :%lf us\n", uTime);
printf("kb/s %lf\n",total_size/ (uTime/1000.0));
webcam_stop_capturing(sys_info.cam.handle);
webcam_release(sys_info.cam.handle);
close(sys_info.cam.handle);
pthread_exit(NULL);
}
/* ------------------------------------------------------------ */
static void *Video_Rx_loop()
{
int Rx_socket;
struct sockaddr_in Rx_addr;
struct VOD_DataPacket_struct Rx_Buffer ;
/* Socket init */
if(Rx_socket_init(&Rx_socket, &Rx_addr, VIDEO_NET_PORT) ==0) {
fprintf(stderr, "Rx Socket init \n");
return NULL;
}
printf("Rx socket init finish\n");
/* receive data */
int recv_len ;
AVPacket packet ;
int remain_size =0;
unsigned char *RGB_buffer =NULL; /* feedback pointer */
int ID ;
fd_set fds;
struct timeval tv;
int r;
while(sys_get_status() != SYS_STATUS_RELEASE) {
/* Rx video data */
while(sys_get_status() == SYS_STATUS_WORK) {
/* Timeout. */
FD_ZERO(&fds);
FD_SET(Rx_socket, &fds);
tv.tv_sec = 2;
tv.tv_usec = 0;
r = select(Rx_socket + 1, &fds, NULL, NULL, &tv);
if (r == -1) {
fprintf(stderr, "select");
goto VIDEO_RX_RELEASE ;
}
if (r == 0) {
//fprintf(stderr, "select timeout\n");
/* Timeout to clear FrameBuffer */
FB_clear(var_info.xres, var_info.yres);
continue;
}
/* Receive Data */
recv_len = recv(Rx_socket, (char*)&Rx_Buffer, sizeof(Rx_Buffer) , 0) ;
if(recv_len == -1) {
fprintf(stderr ,"Stream data recv() error\n");
break ;
}
else {
switch(Rx_Buffer.DataType) {
case VOD_PACKET_TYPE_FRAME_HEADER : /* AVPacket as header */
memcpy(&packet, &Rx_Buffer.header , sizeof(AVPacket));
packet.data = (unsigned char *)malloc(sizeof(char) * packet.size);
remain_size = packet.size;
break ;
case VOD_PACKET_TYPE_FRAME_DATA : /* AVPacket.data */
ID = Rx_Buffer.data.ID ;
memcpy(packet.data + ID * 1024, &Rx_Buffer.data.data[0] , Rx_Buffer.data.size);
remain_size -= Rx_Buffer.data.size;
/* receive finish */
if(remain_size <= 0) {
/* Decode frame */
video_decoder(packet.data, packet.size, &RGB_buffer);
/* Display in Frame buffer*/
RGB24_to_RGB565(RGB_buffer, RGB565_buffer, sys_info.cam.width, sys_info.cam.height);
FB_display(RGB565_buffer, 0, 0, sys_info.cam.width, sys_info.cam.height);
av_free_packet(&packet);
}
break ;
}
}
}
usleep(50000);
}
VIDEO_RX_RELEASE :
close(Rx_socket);
printf("Video Rx finish\n");
pthread_exit(NULL);
}