* undo [16970]. Stick to 4 byte startcodes and single packets.

modules/stream_out/rtp.c

@@ -2483,24 +2483,31 @@ static int rtp_packetize_h264( sout_stream_t *p_stream, sout_stream_id_t *id,
                                block_t *in )
 {
     int     i_max   = id->i_mtu - 12; /* payload max in one packet */
+    int     i_count = ( in->i_buffer + i_max - 1 ) / i_max;
     uint8_t *p_data = in->p_buffer;
     int     i_data  = in->i_buffer;
     block_t *out;
     int     i_nal_type;
     int     i_payload;
 
-    while( i_data > 4 )
-    {
-        if( p_data[0] == 0x00 && p_data[1] == 0x00 && p_data[2] == 0x01 && /* startcode */
-            (p_data[3]&0x1f) > 0 && (p_data[3]&0x1f) < 24 ) /* naltype should be between 1 and 23 */
+    while( i_data > 5 &&
+           ( p_data[0] != 0x00 || p_data[1] != 0x00 || p_data[2] != 0x01 || /* startcode */
+            (p_data[3]&0x1f) < 1 || (p_data[3]&0x1f) > 23 ) ) /* naltype should be between 1 and 23 */
     {
-            p_data += 3;
-            i_data -= 3;
+        p_data++;
+        i_data--;
+    }
+
+    if( i_data < 5 )
+        return VLC_SUCCESS;
+
+    p_data+=3;
+    i_data-=3;
     i_nal_type = p_data[0]&0x1f;
 
     /* Skip global headers */
     if( i_nal_type == 7 || i_nal_type == 8 )
-                continue;
+        return VLC_SUCCESS;
     
     if( i_data <= i_max ) /* The whole pack will fit in one rtp payload */
     {
@@ -2514,27 +2521,26 @@ static int rtp_packetize_h264( sout_stream_t *p_stream, sout_stream_id_t *id,
 
         memcpy( &out->p_buffer[12], p_data, i_payload );
 
-                out->i_buffer+= i_payload;
+        out->i_buffer   = 12 + i_payload;
         out->i_dts    = in->i_dts;
         out->i_length = in->i_length;
 
         rtp_packetize_send( id, out );
-                p_data += i_payload;
-                i_data -= i_payload;
+
         /*msg_Dbg( p_stream, "nal-out plain %d %02x", i_payload, out->p_buffer[16] );*/
     }
     else
     {
         /* FU-A */
         uint8_t     nalh; /* The nalheader byte */
-                int         start=1, end=0;
+        int i=0, start=1, end=0, first=0;
  
-                /* skip but remember the nalh byte */
         nalh = *p_data;
         p_data++;
         i_data--;
 
         i_max   = id->i_mtu - 14;
+        i_count = ( i_data + i_max - 1 ) / i_max;
 
         /*msg_Dbg( p_stream, "nal-out fragmented %02x %d", nalh, i_rest);*/
 
@@ -2555,26 +2561,25 @@ static int rtp_packetize_h264( sout_stream_t *p_stream, sout_stream_id_t *id,
             /* FU header */
             out->p_buffer[13] = (start<<7)|(end<<6)|(nalh&0x1f);
 
-                    memcpy( &out->p_buffer[14], p_data, i_payload );
+            memcpy( &out->p_buffer[14], p_data+first, i_payload );
  
             out->i_buffer   = 14 + i_payload;
-                    /* The dts should "slide" ? See the i_count trick and adapt */
+
+            // not sure what of these should be used and what it does :)
+            out->i_pts    = in->i_pts;
             out->i_dts    = in->i_dts;
+            //out->i_dts    = in->i_dts + i * in->i_length / i_count;
+            //out->i_length = in->i_length / i_count;
 
             rtp_packetize_send( id, out );
+
             /*msg_Dbg( p_stream, "nal-out fragmented: frag %d %d %02x %02x %d", start,end,
             out->p_buffer[12], out->p_buffer[13], i_payload );*/
 
             i_data -= i_payload;
-                    p_data +- i_payload;
-                    start = 0;
-                }
-            }
-        }
-        else
-        {
-            p_data++;
-            i_data--;
+            first += i_payload;
+            i++;
+            start=0;
         }
     }
     return VLC_SUCCESS;