mirror of https://github.com/mpv-player/mpv
277 lines
6.2 KiB
C
277 lines
6.2 KiB
C
/*
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* based on: test_av.c - test program for new API
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*
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* Copyright (C) 2000 Ralph Metzler <ralph@convergence.de>
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* & Marcus Metzler <marcus@convergence.de>
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* for convergence integrated media GmbH
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*
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* MPEG-PS multiplexer, part of FFmpeg
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* Copyright Gerard Lantau (see http://ffmpeg.org)
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*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "mp_msg.h"
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#ifdef CONFIG_DVB
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#ifndef CONFIG_DVB_HEAD
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#include <poll.h>
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#include <sys/ioctl.h>
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#include <stdio.h>
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#include <time.h>
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#include <ost/dmx.h>
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#include <ost/frontend.h>
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#include <ost/sec.h>
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#include <ost/video.h>
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#include <ost/audio.h>
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#else
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#define true 1
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#define false 0
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#include <poll.h>
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#include <sys/ioctl.h>
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#include <stdio.h>
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#include <time.h>
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#include <linux/dvb/dmx.h>
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#include <linux/dvb/frontend.h>
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#include <linux/dvb/video.h>
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#include <linux/dvb/audio.h>
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#endif
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#endif
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#include "config.h"
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#include "video_out.h"
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#include "video_out_internal.h"
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#include "libmpdemux/mpeg_packetizer.h"
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int vo_mpegpes_fd=-1;
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extern int vo_mpegpes_fd2;
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static const vo_info_t info =
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{
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#ifdef CONFIG_DVB
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"MPEG-PES to DVB card",
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#else
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"MPEG-PES file",
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#endif
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"mpegpes",
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"A'rpi",
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""
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};
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const LIBVO_EXTERN (mpegpes)
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static int
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config(uint32_t s_width, uint32_t s_height, uint32_t width, uint32_t height, uint32_t flags, char *title, uint32_t format)
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{
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#ifdef CONFIG_DVB
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switch(s_height){
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case 288:
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case 576:
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case 240:
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case 480:
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break;
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default:
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mp_msg(MSGT_VO,MSGL_ERR,"DVB: height=%d not supported (try 240/480 (ntsc) or 288/576 (pal)\n",s_height);
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return -1;
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}
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#endif
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return 0;
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}
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static int preinit(const char *arg){
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#ifdef CONFIG_DVB
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int card = -1;
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char vo_file[30], ao_file[30], *tmp;
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if(arg != NULL){
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if((tmp = strstr(arg, "card=")) != NULL) {
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card = atoi(&tmp[5]);
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if((card < 1) || (card > 4)) {
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mp_msg(MSGT_VO, MSGL_ERR, "DVB card number must be between 1 and 4\n");
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return -1;
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}
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card--;
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arg = NULL;
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}
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}
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if(!arg){
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//|O_NONBLOCK
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//search the first usable card
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if(card==-1) {
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int n;
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for(n=0; n<4; n++) {
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sprintf(vo_file, "/dev/dvb/adapter%d/video0", n);
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if(access(vo_file, F_OK | W_OK)==0) {
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card = n;
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break;
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}
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}
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}
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if(card==-1) {
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mp_msg(MSGT_VO,MSGL_INFO, "Couldn't find a usable dvb video device, exiting\n");
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return -1;
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}
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#ifndef CONFIG_DVB_HEAD
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mp_msg(MSGT_VO,MSGL_INFO, "Opening /dev/ost/video+audio\n");
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sprintf(vo_file, "/dev/ost/video");
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sprintf(ao_file, "/dev/ost/audio");
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#else
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mp_msg(MSGT_VO,MSGL_INFO, "Opening /dev/dvb/adapter%d/video0+audio0\n", card);
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sprintf(vo_file, "/dev/dvb/adapter%d/video0", card);
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sprintf(ao_file, "/dev/dvb/adapter%d/audio0", card);
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#endif
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if((vo_mpegpes_fd = open(vo_file,O_RDWR)) < 0){
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perror("DVB VIDEO DEVICE: ");
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return -1;
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}
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if ( (ioctl(vo_mpegpes_fd,VIDEO_SET_BLANK, false) < 0)){
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perror("DVB VIDEO SET BLANK: ");
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return -1;
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}
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if ( (ioctl(vo_mpegpes_fd,VIDEO_SELECT_SOURCE, VIDEO_SOURCE_MEMORY) < 0)){
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perror("DVB VIDEO SELECT SOURCE: ");
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return -1;
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}
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if ( (ioctl(vo_mpegpes_fd,VIDEO_PLAY) < 0)){
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perror("DVB VIDEO PLAY: ");
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return -1;
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}
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return 0;
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}
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#endif
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arg = (arg ? arg : "grab.mpg");
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mp_msg(MSGT_VO,MSGL_INFO, "Saving PES stream to %s\n", arg);
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vo_mpegpes_fd=open(arg,O_WRONLY|O_CREAT,0666);
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if(vo_mpegpes_fd<0){
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perror("vo_mpegpes");
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return -1;
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}
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return 0;
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}
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static void draw_osd(void)
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{
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}
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static int my_write(unsigned char* data,int len){
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int orig_len = len;
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#ifdef CONFIG_DVB
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#define NFD 2
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struct pollfd pfd[NFD];
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// printf("write %d bytes \n",len);
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pfd[0].fd = vo_mpegpes_fd;
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pfd[0].events = POLLOUT;
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pfd[1].fd = vo_mpegpes_fd2;
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pfd[1].events = POLLOUT;
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while(len>0){
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if (poll(pfd,NFD,1)){
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if (pfd[0].revents & POLLOUT){
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int ret=write(vo_mpegpes_fd,data,len);
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// printf("ret=%d \n",ret);
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if(ret<=0){
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perror("write");
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usleep(0);
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} else {
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len-=ret; data+=ret;
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}
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} else usleep(1000);
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}
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}
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#else
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write(vo_mpegpes_fd,data,len); // write to file
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#endif
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return orig_len;
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}
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void send_pes_packet(unsigned char* data,int len,int id,int timestamp){
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send_mpeg_pes_packet (data, len, id, timestamp, 1, my_write);
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}
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void send_lpcm_packet(unsigned char* data,int len,int id,unsigned int timestamp,int freq_id){
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send_mpeg_lpcm_packet(data, len, id, timestamp, freq_id, my_write);
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}
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static int draw_frame(uint8_t * src[])
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{
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vo_mpegpes_t *p=(vo_mpegpes_t *)src[0];
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send_pes_packet(p->data,p->size,p->id,(p->timestamp>0)?p->timestamp:vo_pts); // video data
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return 0;
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}
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static void flip_page (void)
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{
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}
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static int draw_slice(uint8_t *srcimg[], int stride[], int w,int h,int x0,int y0)
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{
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return 0;
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}
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static int
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query_format(uint32_t format)
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{
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if(format==IMGFMT_MPEGPES) return VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW|VFCAP_TIMER;
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return 0;
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}
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static void
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uninit(void)
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{
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if(vo_mpegpes_fd2>=0 && vo_mpegpes_fd2!=vo_mpegpes_fd) close(vo_mpegpes_fd2);
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vo_mpegpes_fd2=-1;
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if(vo_mpegpes_fd>=0){ close(vo_mpegpes_fd);vo_mpegpes_fd=-1;}
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}
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static void check_events(void)
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{
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}
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static int control(uint32_t request, void *data, ...)
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{
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switch (request) {
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case VOCTRL_QUERY_FORMAT:
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return query_format(*((uint32_t*)data));
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}
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return VO_NOTIMPL;
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}
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