[MPlayer-cvslog] r19153 - in trunk: libmpdemux/mpeg_packetizer.c libmpdemux/mpeg_packetizer.h libvo/vo_ivtv.c libvo/vo_mpegpes.c

nicodvb subversion at mplayerhq.hu
Sat Jul 22 11:45:35 CEST 2006


Author: nicodvb
Date: Sat Jul 22 11:45:34 2006
New Revision: 19153

Modified:
   trunk/libmpdemux/mpeg_packetizer.c
   trunk/libmpdemux/mpeg_packetizer.h
   trunk/libvo/vo_ivtv.c
   trunk/libvo/vo_mpegpes.c

Log:
simplified mpeg packetizer used by hw mpeg decoders/vo - first round

Modified: trunk/libmpdemux/mpeg_packetizer.c
==============================================================================
--- trunk/libmpdemux/mpeg_packetizer.c	(original)
+++ trunk/libmpdemux/mpeg_packetizer.c	Sat Jul 22 11:45:34 2006
@@ -33,87 +33,26 @@
 
 static unsigned char pes_header[PES_MAX_SIZE];
 
-static unsigned char ps_header[] = {
+static unsigned char ps2_header[] = {
   0x00, 0x00, 0x01, 0xba, 0x44, 0x00, 0x04, 0x00,
   0x04, 0x01, 0x01, 0x86, 0xa3, 0xf8
 };
 
-/* Send MPEG 1 PES packet */
-int
-send_mpeg1_pes_packet (unsigned char *data, int len, int id, uint64_t pts,
-                       int my_write (unsigned char *data, int len))
-{
-  int ptslen = pts ? 5 : 1;
-  int n = 0;
-
-  mp_msg (MSGT_HEADER, MSGL_DBG2,
-          "MPEG1 PES packet: 0x%x => %lu   \n", id, pts);
-  memset (pes_header, '\0', PES_MAX_SIZE);
 
-  /* startcode */
-  pes_header[0] = 0;
-  pes_header[1] = 0;
-  pes_header[2] = id >> 8;
-  pes_header[3] = id & 255;
-    
-  while (len > 0)
-  {
-    int payload_size = len;  /* data + PTS */
-    if (6 + ptslen + payload_size > PES_MAX_SIZE)
-      payload_size = PES_MAX_SIZE - (6 + ptslen);
-	    
-    /* construct PES header: packetsize */
-    pes_header[4] = (ptslen + payload_size) >> 8;
-    pes_header[5] = (ptslen + payload_size) & 255;
-
-    if (ptslen == 5)
-    {
-      int x;
-      /* presentation time stamp */
-      x = (0x02 << 4) | (((pts >> 30) & 0x07) << 1) | 1;
-      pes_header[6] = x;
-      
-      x = ((((pts >> 15) & 0x7fff) << 1) | 1);
-      pes_header[7] = x >> 8;
-      pes_header[8] = x & 255;
-      
-      x = (((pts & 0x7fff) << 1) | 1);
-      pes_header[9] = x >> 8;
-      pes_header[10] = x & 255;
-    }
-    else
-    {
-      /* stuffing and header bits */
-      pes_header[6] = 0x0f;
-    }
-
-    memcpy (&pes_header[6 + ptslen], data, payload_size);
-    n += my_write (pes_header, 6 + ptslen + payload_size);
-
-    len -= payload_size;
-    data += payload_size;
-    ptslen = 1; /* store PTS only once, at first packet! */
-  }
-
-  return n;
-}
-
-/* Send MPEG 1 PS packet */
-int
-send_mpeg1_ps_packet (unsigned char *data, int len, int id, uint64_t pts,
-                      int my_write (unsigned char *data, int len))
-{
-  my_write (ps_header, sizeof (ps_header));
-  return send_mpeg1_pes_packet (data, len, id, pts, my_write);
-}
+static unsigned char ps1_header[] = {
+  0x00, 0x00, 0x01, 0xba, 0x21, 0x00,
+  0xb9, 0x37, 0x83, 0x80, 0xc3, 0x51,
+};
 
 /* Send MPEG 2 PES packet */
 int
-send_mpeg2_pes_packet (unsigned char *data, int len, int id, uint64_t pts,
+send_mpeg_pes_packet (unsigned char *data, int len, int id, uint64_t pts, int type,
                        int my_write (unsigned char *data, int len))
 {
   int ptslen = 5;
   int n = 0;
+  int idx, plen;
+  int hdr;
 
   mp_msg (MSGT_HEADER, MSGL_DBG2,
           "MPEG2 PES packet: 0x%x => %lu   \n", id, pts);
@@ -128,43 +67,59 @@
   while (len > 0)
   {
     int payload_size = len;  /* data + PTS */
-    if (9 + ptslen + payload_size > PES_MAX_SIZE)
-      payload_size = PES_MAX_SIZE - (6 + ptslen);
+    if(type == 2)
+        hdr = 3;
+    else
+        hdr = (ptslen ? 0 : 1);
+    if (6 + hdr + ptslen + payload_size > PES_MAX_SIZE)
+      payload_size = PES_MAX_SIZE - 6 - hdr - ptslen;
 
     /* construct PES header: packetize */
-    pes_header[4] = (3 + ptslen + payload_size) >> 8;
-    pes_header[5] = (3 + ptslen + payload_size) & 255;
-    pes_header[6] = 0x81;
-
+    plen = payload_size + hdr + ptslen;
+    pes_header[4] = plen >> 8;
+    pes_header[5] = plen & 255;
+    idx = 6;
+    
     if (ptslen)
     {
       int x;
-      pes_header[7] = 0x80;
-      pes_header[8] = ptslen;
+      
+      if(type == 2)
+      {
+        pes_header[idx++] = 0x81;
+        pes_header[idx++] = 0x80;
+        pes_header[idx++] = ptslen;
+      }
       
       /* presentation time stamp */
       x = (0x02 << 4) | (((pts >> 30) & 0x07) << 1) | 1;
-      pes_header[9] = x;
+      pes_header[idx++] = x;
       
       x = ((((pts >> 15) & 0x7fff) << 1) | 1);
-      pes_header[10] = x >>8;
-      pes_header[11] = x & 255;
+      pes_header[idx++] = x >>8;
+      pes_header[idx++] = x & 255;
       
       x = (((pts & 0x7fff) << 1) | 1);
-      pes_header[12] = x >> 8;
-      pes_header[13] = x & 255;
+      pes_header[idx++] = x >> 8;
+      pes_header[idx++] = x & 255;
     }
     else
     {
-      pes_header[7] = 0x00;
-      pes_header[8] = 0x00;
+      if(type == 2)
+      {
+        pes_header[idx++] = 0x81;
+        pes_header[idx++] = 0x00;
+        pes_header[idx++] = 0x00;
+      }
+      else
+        pes_header[idx++] = 0x0f;
     }
+    
+    my_write (pes_header, idx);
+    n = my_write (data, payload_size);
 
-    my_write (pes_header, 9 + ptslen);
-    n += my_write (data, payload_size);
-
-    len -= payload_size;
-    data += payload_size;
+    len -= n;
+    data += n;
     ptslen = 0; /* store PTS only once, at first packet! */
   }
 
@@ -173,11 +128,14 @@
 
 /* Send MPEG 2 PS packet */
 int
-send_mpeg2_ps_packet (unsigned char *data, int len, int id, uint64_t pts,
+send_mpeg_ps_packet (unsigned char *data, int len, int id, uint64_t pts, int type,
                       int my_write (unsigned char *data, int len))
 {
-  my_write (ps_header, sizeof (ps_header));
-  return send_mpeg2_pes_packet (data, len, id, pts, my_write);
+  if(type == 2)
+    my_write (ps2_header, sizeof (ps2_header));
+  else
+    my_write (ps1_header, sizeof (ps1_header));
+  return send_mpeg_pes_packet (data, len, id, pts, type, my_write);
 }
 
 /* Send MPEG LPCM packet */

Modified: trunk/libmpdemux/mpeg_packetizer.h
==============================================================================
--- trunk/libmpdemux/mpeg_packetizer.h	(original)
+++ trunk/libmpdemux/mpeg_packetizer.h	Sat Jul 22 11:45:34 2006
@@ -25,19 +25,12 @@
 #ifndef _MPEG_PACKETIZER_H_
 #define _MPEG_PACKETIZER_H_
 
-/* Send MPEG 1 PES packet */
-int send_mpeg1_pes_packet (unsigned char *data, int len, int id, uint64_t pts,
+/* Send MPEG 1/2 PES packet */
+int send_mpeg_pes_packet (unsigned char *data, int len, int id, uint64_t pts, int type,
                            int my_write (unsigned char *data, int len));
 
-/* Send MPEG 1 PS packet */
-int send_mpeg1_ps_packet (unsigned char *data, int len, int id, uint64_t pts,
-                          int my_write (unsigned char *data, int len));
-/* Send MPEG 2 PES packet */
-int send_mpeg2_pes_packet (unsigned char *data, int len, int id, uint64_t pts,
-                           int my_write (unsigned char *data, int len));
-
-/* Send MPEG 2 PS packet */
-int send_mpeg2_ps_packet (unsigned char *data, int len, int id, uint64_t pts,
+/* Send MPEG 1/2 PS packet */
+int send_mpeg_ps_packet (unsigned char *data, int len, int id, uint64_t pts, int type,
                           int my_write (unsigned char *data, int len));
 
 /* Send MPEG LPCM packet */

Modified: trunk/libvo/vo_ivtv.c
==============================================================================
--- trunk/libvo/vo_ivtv.c	(original)
+++ trunk/libvo/vo_ivtv.c	Sat Jul 22 11:45:34 2006
@@ -236,8 +236,8 @@
   if (!pes)
     return;
 
-  send_mpeg2_pes_packet (pes->data, pes->size, pes->id,
-                         pes->timestamp ? pes->timestamp : vo_pts,
+  send_mpeg_pes_packet (pes->data, pes->size, pes->id,
+                         pes->timestamp ? pes->timestamp : vo_pts, 2,
                          ivtv_write);
 
   /* ensure flip_page() won't be called twice */

Modified: trunk/libvo/vo_mpegpes.c
==============================================================================
--- trunk/libvo/vo_mpegpes.c	(original)
+++ trunk/libvo/vo_mpegpes.c	Sat Jul 22 11:45:34 2006
@@ -62,6 +62,7 @@
 #include "config.h"
 #include "video_out.h"
 #include "video_out_internal.h"
+#include "libmpdemux/mpeg_packetizer.h"
 
 int vo_mpegpes_fd=-1;
 int vo_mpegpes_fd2=-1;
@@ -226,44 +227,7 @@
 static unsigned char pes_header[PES_MAX_SIZE];
 
 void send_pes_packet(unsigned char* data,int len,int id,int timestamp){
-    int ptslen=timestamp?5:1;
-
-	      // startcode:
-	      pes_header[0]=pes_header[1]=0;
-	      pes_header[2]=id>>8; pes_header[3]=id&255;
-    
-    while(len>0){
-	    int payload_size=len;  // data + PTS
-	    if(6+ptslen+payload_size>PES_MAX_SIZE) payload_size=PES_MAX_SIZE-(6+ptslen);
-	    
-    // construct PES header:  (code from ffmpeg's libav)
-	      // packetsize:
-	      pes_header[4]=(ptslen+payload_size)>>8;
-	      pes_header[5]=(ptslen+payload_size)&255;
-
-	if(ptslen==5){
-	      int x;
-	      // 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;
-	} else {
-	      // stuffing and header bits:
-	      pes_header[6]=0x0f;
-	}
-
-	memcpy(&pes_header[6+ptslen],data,payload_size);
-	my_write(pes_header,6+ptslen+payload_size);
-
-	len-=payload_size; data+=payload_size;
-	ptslen=1; // store PTS only once, at first packet!
-    }
-
-//    printf("PES: draw frame!  pts=%d   size=%d  \n",timestamp,len);
-
+    send_mpeg_pes_packet (data, len, id, timestamp, 1, my_write);
 }
 
 void send_lpcm_packet(unsigned char* data,int len,int id,unsigned int timestamp,int freq_id){



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