From 07e4b2db172162595eea6ae26725c46fddf0a2cb Mon Sep 17 00:00:00 2001
From: arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Sat, 8 Sep 2001 23:27:51 +0000
Subject: [PATCH] file writer implemented

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1873 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 libvo/vo_mpegpes.c | 41 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 40 insertions(+), 1 deletion(-)

diff --git a/libvo/vo_mpegpes.c b/libvo/vo_mpegpes.c
index fd08823549..d47778978f 100644
--- a/libvo/vo_mpegpes.c
+++ b/libvo/vo_mpegpes.c
@@ -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;
 }