RepoMirrors/mpv
1
0
Fork 0
mirror of https://github.com/mpv-player/mpv synced 2024-12-19 05:15:12 +00:00
Code Issues Releases Wiki Activity

file writer implemented

Browse Source 
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1873 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2001-09-08 23:27:51 +00:00
parent fff46da0c3
commit 07e4b2db17
1 changed files with 40 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
libvo/vo_mpegpes.c
View File

@ -9,6 +9,8 @@
LIBVO_EXTERN (mpegpes)
int vo_mpegpes_fd=-1;
static vo_info_t vo_info =
{
"Mpeg-PES file",
@ -20,7 +22,11 @@ static vo_info_t vo_info =
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)
{
vo_mpegpes_fd=open("grab.mpg","ab");
if(vo_mpegpes_fd<0){
perror("vo_mpegpes");
return -1;
}
return 0;
}
@ -43,10 +49,41 @@ static uint32_t draw_slice(uint8_t *srcimg[], int stride[], int w,int h,int x,in
return 0;
}
static void my_write(unsigned char* data,int len){
while(len>0){
int ret=write(vo_mpegpes_fd,data,len);
if(ret<=0) break; // error
len-=ret; data+=ret;
}
}
static uint32_t draw_frame(uint8_t * src[])
{
vo_mpegpes_t *p=(vo_mpegpes_t *)src[0];
int payload_size=p->size+5;
int x;
unsigned char pes_header[4+2+5];
// construct PES header:
// startcode:
pes_header[0]=pes_header[1]=0;
pes_header[2]=p->id>>8; pes_header[3]=p->id&255;
// packetsize:
pes_header[4]=payload_size>>8;
pes_header[5]=payload_size&255;
// stuffing:
// presentation time stamp:
x=(0x02 << 4) | (((p->timestamp >> 30) & 0x07) << 1) | 1;
pes_header[6]=x;
x=((((p->timestamp >> 15) & 0x7fff) << 1) | 1);
pes_header[7]=x>>8; pes_header[8]=x&255;
x=((((p->timestamp) & 0x7fff) << 1) | 1);
pes_header[9]=x>>8; pes_header[10]=x&255;
my_write(pes_header,4+2+5);
// data:
my_write(p->data,p->size);
// printf("PES: draw frame! pts=%d size=%d \n",p->timestamp,p->size);
return 0;
}
@ -61,6 +98,8 @@ query_format(uint32_t format)
static void
uninit(void)
{
close(vo_mpegpes_fd);
vo_mpegpes_fd=-1;
}