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//#define HAVE_DVB
#define PES_MAX_SIZE 2048
/*
* Based on:
*
* test_av.c - Test program for new API
*
* Copyright (C) 2000 Ralph Metzler <ralph@convergence.de>
* & Marcus Metzler <marcus@convergence.de>
* for convergence integrated media GmbH
*
* libav - MPEG-PS multiplexer, part of ffmpeg
* Copyright Gerard Lantau (see http://ffmpeg.sf.net)
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/poll.h>
#ifdef HAVE_DVB
#include <sys/ioctl.h>
#include <stdio.h>
#include <time.h>
#include <unistd.h>
#include <ost/dmx.h>
#include <ost/frontend.h>
#include <ost/sec.h>
#include <ost/video.h>
#include <ost/audio.h>
#endif
#include "config.h"
#include "video_out.h"
#include "video_out_internal.h"
LIBVO_EXTERN (mpegpes)
int vo_mpegpes_fd=-1;
int vo_mpegpes_fd2=-1;
static vo_info_t vo_info =
{
#ifdef HAVE_DVB
"Mpeg-PES to DVB card",
#else
"Mpeg-PES file",
#endif
"mpegpes",
"A'rpi",
""
};
static uint32_t
init(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t fullscreen, char *title, uint32_t format)
{
#ifdef HAVE_DVB
//|O_NONBLOCK
if((vo_mpegpes_fd = open("/dev/ost/video",O_RDWR)) < 0){
perror("DVB VIDEO DEVICE: ");
return -1;
}
if((vo_mpegpes_fd2 = open("/dev/ost/audio",O_RDWR|O_NONBLOCK)) < 0){
perror("DVB AUDIO DEVICE: ");
return -1;
}
if ( (ioctl(vo_mpegpes_fd,VIDEO_SET_BLANK, false) < 0)){
perror("DVB VIDEO SET BLANK: ");
return -1;
}
if ( (ioctl(vo_mpegpes_fd,VIDEO_SELECT_SOURCE, VIDEO_SOURCE_MEMORY) < 0)){
perror("DVB VIDEO SELECT SOURCE: ");
return -1;
}
#if 1
if ( (ioctl(vo_mpegpes_fd2,AUDIO_SELECT_SOURCE, AUDIO_SOURCE_MEMORY) < 0)){
perror("DVB AUDIO SELECT SOURCE: ");
return -1;
}
if ( (ioctl(vo_mpegpes_fd2,AUDIO_PLAY) < 0)){
perror("DVB AUDIO PLAY: ");
return -1;
}
#else
if ( (ioctl(vo_mpegpes_fd2,AUDIO_STOP,0) < 0)){
perror("DVB AUDIO STOP: ");
return -1;
}
#endif
if ( (ioctl(vo_mpegpes_fd,VIDEO_PLAY) < 0)){
perror("DVB VIDEO PLAY: ");
return -1;
}
if ( (ioctl(vo_mpegpes_fd2,AUDIO_SET_AV_SYNC, false) < 0)){
perror("DVB AUDIO SET AV SYNC: ");
return -1;
}
if ( (ioctl(vo_mpegpes_fd2,AUDIO_SET_MUTE, false) < 0)){
perror("DVB AUDIO SET MUTE: ");
return -1;
}
#else
vo_mpegpes_fd=open("grab.mpg",O_WRONLY|O_CREAT);
if(vo_mpegpes_fd<0){
perror("vo_mpegpes");
return -1;
}
#endif
return 0;
}
static const vo_info_t*
get_info(void)
{
return &vo_info;
}
static void draw_osd(void)
{
}
static void flip_page (void)
{
}
static uint32_t draw_slice(uint8_t *srcimg[], int stride[], int w,int h,int x,int y)
{
return 0;
}
#define NFD 2
static void my_write(unsigned char* data,int len){
struct pollfd pfd[NFD];
// printf("write %d bytes \n",len);
pfd[0].fd = vo_mpegpes_fd;
pfd[0].events = POLLOUT;
pfd[1].fd = vo_mpegpes_fd2;
pfd[1].events = POLLOUT;
while(len>0){
if (poll(pfd,NFD,1)){
if (pfd[0].revents & POLLOUT){
int ret=write(vo_mpegpes_fd,data,len);
// printf("ret=%d \n",ret);
if(ret<=0){
perror("write");
usleep(0);
} else {
len-=ret; data+=ret;
}
} else usleep(1000);
}
}
}
static unsigned char pes_header[PES_MAX_SIZE];
static void send_pes_packet(unsigned char* data,int len,int id,int timestamp){
int x;
pes_header[0]=pes_header[1]=0;
pes_header[2]=id>>8; pes_header[3]=id&255;
while(1){
int payload_size=len+5; // data + PTS
if(6+payload_size>PES_MAX_SIZE) payload_size=PES_MAX_SIZE-6;
// construct PES header: (code from ffmpeg's libav)
// startcode:
// packetsize:
pes_header[4]=(payload_size)>>8;
pes_header[5]=(payload_size)&255;
// stuffing:
// presentation time stamp:
x=(0x02 << 4) | (((timestamp >> 30) & 0x07) << 1) | 1;
pes_header[6]=x;
x=((((timestamp >> 15) & 0x7fff) << 1) | 1);
pes_header[7]=x>>8; pes_header[8]=x&255;
x=((((timestamp) & 0x7fff) << 1) | 1);
pes_header[9]=x>>8; pes_header[10]=x&255;
payload_size-=5;
memcpy(&pes_header[6+5],data,payload_size);
my_write(pes_header,6+5+payload_size);
len-=payload_size; data+=payload_size;
if(len<=0) break;
}
// printf("PES: draw frame! pts=%d size=%d \n",timestamp,len);
}
static uint32_t draw_frame(uint8_t * src[])
{
vo_mpegpes_t *p=(vo_mpegpes_t *)src[0];
unsigned char *data=p->data;
// int tmp=-1;
send_pes_packet(p->data,p->size,p->id,p->timestamp); // video data
// send_pes_packet(&tmp,0,0x1C0,p->timestamp+30000); // fake audio data
return 0;
}
static uint32_t
query_format(uint32_t format)
{
if(format==IMGFMT_MPEGPES) return 1;
return 0;
}
static void
uninit(void)
{
if(vo_mpegpes_fd>=0){ close(vo_mpegpes_fd);vo_mpegpes_fd=-1;}
if(vo_mpegpes_fd2>=0){ close(vo_mpegpes_fd2);vo_mpegpes_fd2=-1;}
}
static void check_events(void)
{
}
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