/*
* test_video.c - Test program for new API
*
* Copyright (C) 2000 Ralph Metzler <ralph@convergence.de>
* & Marcus Metzler <marcus@convergence.de>
for convergence integrated media GmbH
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include <sys/ioctl.h>
#include <stdio.h>
#include <stdint.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <time.h>
#include <unistd.h>
#include <linux/dvb/dmx.h>
#include <linux/dvb/frontend_old.h>
#include <linux/dvb/sec.h>
#include <linux/dvb/video.h>
#include <sys/poll.h>
int videoStop(int fd)
{
int ans;
if ((ans = ioctl(fd,VIDEO_STOP,0)) < 0) {
perror("VIDEO STOP: ");
return -1;
}
return 0;
}
int videoPlay(int fd)
{
int ans;
if ((ans = ioctl(fd,VIDEO_PLAY)) < 0) {
perror("VIDEO PLAY: ");
return -1;
}
return 0;
}
int videoFreeze(int fd)
{
int ans;
if ((ans = ioctl(fd,VIDEO_FREEZE)) < 0) {
perror("VIDEO FREEZE: ");
return -1;
}
return 0;
}
int videoContinue(int fd)
{
int ans;
if ((ans = ioctl(fd,VIDEO_CONTINUE)) < 0) {
perror("VIDEO CONTINUE: ");
return -1;
}
return 0;
}
int videoSelectSource(int fd, video_stream_source_t source)
{
int ans;
if ((ans = ioctl(fd,VIDEO_SELECT_SOURCE, source)) < 0) {
perror("VIDEO SELECT SOURCE: ");
return -1;
}
return 0;
}
int videoSetBlank(int fd, boolean state)
{
int ans;
if ((ans = ioctl(fd,VIDEO_SET_BLANK, state)) < 0) {
perror("VIDEO SET BLANK: ");
return -1;
}
return 0;
}
int videoFastForward(int fd,int nframes)
{
int ans;
if ((ans = ioctl(fd,VIDEO_FAST_FORWARD, nframes)) < 0) {
perror("VIDEO FAST FORWARD: ");
return -1;
}
return 0;
}
int videoSlowMotion(int fd,int nframes)
{
int ans;
if ((ans = ioctl(fd,VIDEO_SLOWMOTION, nframes)) < 0) {
perror("VIDEO SLOWMOTION: ");
return -1;
}
return 0;
}
int videoGetStatus(int fd)
{
struct video_status stat;
int ans;
if ((ans = ioctl(fd,VIDEO_GET_STATUS, &stat)) < 0) {
perror("VIDEO GET STATUS: ");
return -1;
}
printf("Video Status:\n");
printf(" Blank State : %s\n",
(stat.video_blank ? "BLANK" : "STILL"));
printf(" Play State : ");
switch ((int)stat.play_state){
case VIDEO_STOPPED:
printf("STOPPED (%d)\n",stat.play_state);
break;
case VIDEO_PLAYING:
printf("PLAYING (%d)\n",stat.play_state);
break;
case VIDEO_FREEZED:
printf("FREEZED (%d)\n",stat.play_state);
break;
default:
printf("unknown (%d)\n",stat.play_state);
break;
}
printf(" Stream Source : ");
switch((int)stat.stream_source){
case VIDEO_SOURCE_DEMUX:
printf("DEMUX (%d)\n",stat.stream_source);
break;
case VIDEO_SOURCE_MEMORY:
printf("MEMORY (%d)\n",stat.stream_source);
break;
default:
printf("unknown (%d)\n",stat.stream_source);
break;
}
printf(" Format (Aspect Ratio): ");
switch((int)stat.video_format){
case VIDEO_FORMAT_4_3:
printf("4:3 (%d)\n",stat.video_format);
break;
case VIDEO_FORMAT_16_9:
printf("16:9 (%d)\n",stat.video_format);
break;
default:
printf("unknown (%d)\n",stat.video_format);
break;
}
printf(" Display Format : ");
switch((int)stat.display_format){
case VIDEO_PAN_SCAN:
printf("Pan&Scan (%d)\n",stat.display_format);
break;
case VIDEO_LETTER_BOX:
printf("Letterbox (%d)\n",stat.display_format);
break;
case VIDEO_CENTER_CUT_OUT:
printf("Center cutout (%d)\n",stat.display_format);
break;
default:
printf("unknown (%d)\n",stat.display_format);
break;
}
return 0;
}
int videoStillPicture(int fd, struct video_still_picture *sp)
{
int ans;
if ((ans = ioctl(fd,VIDEO_STILLPICTURE, sp)) < 0) {
perror("VIDEO STILLPICTURE: ");
return -1;
}
return 0;
}
#define BUFFY 32768
#define NFD 2
void play_file_video(int filefd, int fd)
{
char buf[BUFFY];
int count;
int written;
struct pollfd pfd[NFD];
int stopped = 0;
int ch;
pfd[0].fd = STDIN_FILENO;
pfd[0].events = POLLIN;
pfd[1].fd = fd;
pfd[1].events = POLLOUT;
videoSelectSource(fd,VIDEO_SOURCE_MEMORY);
videoPlay(fd);
count = read(filefd,buf,BUFFY);
write(fd,buf,count);
while ( (count = read(filefd,buf,BUFFY)) >= 0 ){
written = 0;
while(written < count){
if (poll(pfd,NFD,1)){
if (pfd[1].revents & POLLOUT){
written += write(fd,buf+written,
count-written);
}
if (pfd[0].revents & POLLIN){
int c = getchar();
switch(c){
case 'z':
videoFreeze(fd);
printf("playback frozen\n");
stopped = 1;
break;
case 's':
videoStop(fd);
printf("playback stopped\n");
stopped = 1;
break;
case 'c':
videoContinue(fd);
printf("playback continued\n");
stopped = 0;
break;
case 'p':
videoPlay(fd);
printf("playback started\n");
stopped = 0;
break;
case 'f':
videoFastForward(fd,0);
printf("fastforward\n");
stopped = 0;
break;
case 'm':
videoSlowMotion(fd,2);
printf("slowmotion\n");
stopped = 0;
break;
case 'q':
videoContinue(fd);
exit(0);
break;
}
}
}
}
}
}
void load_iframe(int filefd, int fd)
{
struct stat st;
struct video_still_picture sp;
fstat(filefd, &st);
sp.iFrame = (char *) malloc(st.st_size);
sp.size = st.st_size;
printf("I-frame size: %d\n", sp.size);
if (!sp.iFrame) {
printf("No memory for I-Frame\n");
return;
}
printf("read: %d bytes\n",read(filefd,sp.iFrame,sp.size));
videoStillPicture(fd,&sp);
sleep(3);
videoPlay(fd);
}
main(int argc, char **argv)
{
int fd;
int filefd;
if (argc < 2) return -1;
if ( (filefd = open(argv[1],O_RDONLY)) < 0){
perror("File open:");
return -1;
}
if ((fd = open("/dev/ost/video1",O_RDWR|O_NONBLOCK)) < 0){
perror("VIDEO DEVICE: ");
return -1;
}
// videoSetBlank(fd,false);
//videoPlay(fd);
//sleep(4);
//videoFreeze(fd);
//sleep(3);
//videoContinue(fd);
//sleep(3);
//videoStop(fd);
videoGetStatus(fd);
//load_iframe(filefd, fd);
play_file_video(filefd, fd);
close(fd);
close(filefd);
return 0;
}
LinuxTV legacy CVS <linuxtv.org/cvs>