基于linux下libvlc的二次开发

/* Project by qiuliangbin copyright 2015-2018*/
/* Just for learning;                        */
/* Function:Use Rtp Transmition send Ts to VLC Media player*/

#include <stdio.h>
#include <string.h>
#include <vlc/vlc.h>
#include <assert.h>
#include <stdlib.h>
#include <stdbool.h>
#include <unistd.h>

#define PACKET_BUFFER_END            (unsigned int)0x00000000

#define DEST_IP                "10.1.1.124"
#define DEST_PORT            1234

static const char * test_defaults_args[] = {
"-v",
"--ignore-config",
"-I", "dummy",
"--no-media-library"
};

static const int test_defaults_nargs = sizeof (test_defaults_args) / sizeof (test_defaults_args[0]);

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <memory.h>
#include <pthread.h>

#include "hTs.h"

FILE *bits = NULL;                //!< the bit stream file
FILE *bitsout = NULL;
#define PACKET_SIZE 188

int max_size = 800000;
int count = 0;
char buffer[200000] = {0};

libvlc_time_t m_TotalTime;

void OpenBitstreamFile (char *fn)
{
if (NULL == (bits=fopen(fn, "rb")))
{
printf("open file error\n");
exit(0);
}
}
void OpenBitstreamoutFile (char *fn)
{
if (NULL == (bitsout=fopen(fn, "wb")))
{
printf("open out file error\n");
exit(0);
}
}

int GetAnnexbTS()
{
int n = 0;
int FrameNum = 0;
unsigned char *Buf;

if ((Buf = (unsigned char*)calloc (max_size , sizeof(char))) == NULL)
printf ("GetAnnexbNALU: Could not allocate Buf memory\n");

/* Sync */
while (1)
{
if (1 != fread (Buf, 1, 1, bits))//从码流中读3个字节
{
free(Buf);
return 0;
}
if(Buf[0] == 0x47)
{
int ncount =0;
if ((n=fread(&Buf[1],1,PACKET_SIZE-1,bits)) == 187)
{
int readonebit = fgetc(bits);
if ( readonebit== 0x47)
{
FrameNum ++;
if (0 != fseek (bits, -1 , SEEK_CUR))//把文件指针向后退开始字节的字节数
{
free(Buf);
printf("GetAnnexbNALU: Cannot fseek in the bit stream file");
}
break;
}
if(readonebit == feof(bits))
{
//Frame 1~6 表示文件传输
//	FrameNum = 0;//表示文件传输结束
return -1; //到文件末尾了
}
else
{
return -2;//忽略这一帧,在文件中有帧被破坏不需要对他做特别处理，直接存储
}
}

}
}
memcpy (buffer, &Buf[0],188);
free(Buf);
return FrameNum;
}
void *ThreadFun_play(void *)
{

libvlc_instance_t *instance;
libvlc_media_t *media;
libvlc_media_player_t *player;

int width,height;
libvlc_time_t length;
const char * file = "./666666.ts";

instance = libvlc_new (test_defaults_nargs, test_defaults_args);
assert (instance != NULL);

media = libvlc_media_new_path (instance, file);
assert (media != NULL);

player = libvlc_media_player_new_from_media (media);
assert (player != NULL);

float fPos = libvlc_media_player_get_position(player);
m_TotalTime = libvlc_media_player_get_length(player);//
printf("--------------------%ld--------------------\n",m_TotalTime);

//	libvlc_set_fullscreen(player,1);
libvlc_media_player_next_frame(player);
libvlc_media_player_play (player);
//sleep(m_TotalTime);
/*int libvlc_media_player_is_playing( libvlc_media_player_t *p_mi )
{
libvlc_state_t state = libvlc_media_player_get_state( p_mi );
return (libvlc_Playing == state) || (libvlc_Buffering == state);
}*/
//	while(1 == libvlc_media_player_is_playing(player))//playing...
while(1)
{
if(libvlc_media_player_get_state(player)==4)//"libvlc_Paused"
{
libvlc_media_release (media);
libvlc_media_player_stop (player);
libvlc_media_player_release (player);
libvlc_release (instance);
printf("libvlc_Paused!\n");
return (void *)1;
}
if(libvlc_media_player_get_state(player)==6)//"libvlc_Stopped"
{
libvlc_media_release (media);
libvlc_media_player_stop (player);
libvlc_media_player_release (player);
libvlc_release (instance);
printf("libvlc_Stopped!\n");
return (void *)1;
}
if(libvlc_media_player_get_state(player)==7)//"libvlc_Error"
{
libvlc_media_release (media);
libvlc_media_player_stop (player);
libvlc_media_player_release (player);
libvlc_release (instance);
printf("libvlc_Error!\n");
return (void *)1;
}
//printf("Get_Xwindow = %d\n",libvlc_media_player_get_xwindow(player));
/*{
libvlc_media_release (media);
libvlc_media_player_stop (player);
libvlc_media_player_release (player);
libvlc_release (instance);
printf("libvlc_Error!\n");
return (void *)1;
}*/
//	XCB_Manage
}

libvlc_media_release (media);
libvlc_media_player_stop (player);
libvlc_media_player_release (player);
libvlc_release (instance);
return (void *)1;
}
int main(int argc, char* argv[])
{
int Ts_RetVal=0;
int Fmno = 0;
int	bytes=0;
int position=0;
unsigned short seq_num =0;
OpenBitstreamFile("./222.ts");
OpenBitstreamoutFile("./666666.ts");
char sendbuf[1500];

int count = 0 ;

memset(sendbuf,0,1500);

/*create a thread to reduce the vlc palyer*/
pthread_t vlc_thread;
int handle_vlcplay = pthread_create(&vlc_thread,NULL,ThreadFun_play,NULL);
if(handle_vlcplay == -1)
{
printf("Create Vlcplay thread Error\n");
return -1;
}
while(!feof(bits)) {
//printf("--------------------------------------\n");
if ((Ts_RetVal=GetAnnexbTS()) == -1)
{
break;
}
Fmno += Ts_RetVal;
memcpy(&sendbuf[12+(Fmno-1)*188],buffer,188);

position = position + 188;
//		fwrite(&sendbuf[12+(Fmno-1)*188],1,PACKET_SIZE,bitsout);
if ((Fmno == 7)&&(position >= 188*7))
{

fwrite(&sendbuf[12],1,7*188,bitsout);
position = 0;
Fmno = 0;
memset(sendbuf,0,1500);
}
//	dump(buffer,Fmno);
//usleep(1000);
}

if((position>0)&&(Fmno>0))//发最后一帧
{
bytes=188*Fmno+ 12 ;

fwrite(&sendbuf[12],1,188*Fmno,bitsout);
}
int wait_vlc=pthread_join(vlc_thread,NULL);
if(wait_vlc == -1)
{
printf("pthread_join vlc _Error\n");
}
//	free(buffer);
fclose(bits);
fclose(bitsout);
return 0;
}