From 9ea1160395b119536ba2ee74a99a4aba73c55711 Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Tue, 19 Apr 2005 11:19:53 +0000
Subject: Isolated the dv1394 code in its own file.

---
 src/decoder.cc | 116 ++++-----------------------------------------------------
 1 file changed, 7 insertions(+), 109 deletions(-)

(limited to 'src/decoder.cc')

diff --git a/src/decoder.cc b/src/decoder.cc
index d8ae2f5..7b4720e 100644
--- a/src/decoder.cc
+++ b/src/decoder.cc
@@ -22,12 +22,15 @@
  */
 #include <config.h>
 #ifdef USE_GUI
+/*
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <errno.h>
-#include <libraw1394/raw1394.h>
+*/
+#include <SDL/SDL.h>
 
+#include "dv1394.h"
 #include "dv.h"
 
 #include "decoder.h"
@@ -48,111 +51,15 @@ Decoder::Decoder(Error* err,
   player_queue = gplayer_queue;
   mutex = gmutex;
   running = grunning;
-
-  // Initialize libdv
 }
 
 Decoder::~Decoder()
 {
-  // Close libdv
-}
-
-static int raw_reader( raw1394handle_t handle, int channel, size_t length, quadlet_t *data )
-{
-	static char *framedata = NULL;
-
-  // Only process packets with reasonable length.
-	if ( length > 16 )
-	{
-		unsigned char * p = ( unsigned char* ) & data[ 3 ];
-		int section_type = p[ 0 ] >> 5;           // section type is in bits 5 - 7
-		int dif_sequence = p[ 1 ] >> 4;           // dif sequence number is in bits 4 - 7
-		int dif_block = p[ 2 ];
-
-		if ( section_type == 0 && dif_sequence == 0 )
-		{
-			if ( framedata != NULL )
-			{
-				raw1394_set_userdata(handle, (void *)framedata);
-				framedata = NULL;
-			}
-		}
-
-		if(!framedata)
-		{
-			framedata = (char *)malloc(DVPACKAGE_SIZE); // dvframe.h
-			if(!framedata)
-			{
-				// We're fucked
-				exit(1);
-			}
-		}
-
-		switch ( section_type )
-		{
-		case 0:    // 1 Header block
-			// p[3] |= 0x80; // hack to force PAL data
-			memcpy( framedata + dif_sequence * 150 * 80, p, 480 );
-			break;
-
-		case 1:    // 2 Subcode blocks
-			memcpy( framedata + dif_sequence * 150 * 80 + ( 1 + dif_block ) * 80, p, 480 );
-			break;
-
-		case 2:    // 3 VAUX blocks
-			memcpy( framedata + dif_sequence * 150 * 80 + ( 3 + dif_block ) * 80, p, 480 );
-			break;
-
-		case 3:    // 9 Audio blocks interleaved with video
-			memcpy( framedata + dif_sequence * 150 * 80 + ( 6 + dif_block * 16 ) * 80, p, 480 );
-			break;
-
-		case 4:    // 135 Video blocks interleaved with audio
-			memcpy( framedata + dif_sequence * 150 * 80 + ( 7 + ( dif_block / 15 ) + dif_block ) * 80, p, 480 );
-			break;
-
-		default:   // we can't handle any other data
-			break;
-		}
-	}
-	return 0;
 }
 
-
 void Decoder::decode()
 {
-  // FIXME: Read port and channel data from config.
-	int port = 0;
-	int channel = 63; // 63 is default channel... sucks.
-
-	int n_ports;
-	struct raw1394_portinfo pinf[ 16 ];
-	raw1394handle_t handle;
-
-  // Get handle to firewire channels
-	handle = raw1394_new_handle();
-	if(!handle) {
-		fprintf( stderr, "raw1394 - failed to get handle: %s.\n", strerror( errno ) );
-		exit( EXIT_FAILURE );
-	}
-
-  // how many adapters are hook in?
-	if((n_ports = raw1394_get_port_info(handle, pinf, 16)) < 0 ) {
-		fprintf( stderr, "raw1394 - failed to get port info: %s.\n", strerror( errno ) );
-		raw1394_destroy_handle( handle );
-		exit( EXIT_FAILURE );
-	}
-
-	// Tell raw1394 which host adapter to use
-	if(raw1394_set_port(handle, port) < 0 ) {
-    errobj->pushError("Error while opening codec for input stream.");
-		fprintf( stderr, "raw1394 - failed to set port: %s.\n", strerror( errno ) );
-		exit( EXIT_FAILURE );
-	}
-
-	raw1394_set_iso_handler( handle, channel, raw_reader);
-	raw1394_set_userdata( handle, ( void* ) NULL);
-  raw1394_start_iso_rcv( handle, channel);
+  dv1394 dv_stream = dv1394(); // Use default port and channel.
 
   while(*running) {
     uint8_t *ptr;
@@ -160,16 +67,7 @@ void Decoder::decode()
     SDL_Event user_event;
     
     // Read a dvframe
-    while(1) {
-      raw1394_loop_iterate(handle);
-      ptr = (uint8_t *)raw1394_get_userdata(handle);
-      if(ptr) {
-         raw1394_set_userdata(handle, NULL);
-         break;
-      }
-      len = DVPACKAGE_SIZE;
-    }
-    Frame *frame = new Frame((void*)ptr, len);
+    Frame *frame = new Frame(dv_stream.readFrame(), DVPACKAGE_SIZE);
 
     pthread_mutex_lock(mutex);
     encode_queue->push(frame);
@@ -186,7 +84,7 @@ void Decoder::decode()
     SDL_PushEvent(&user_event);
 
     // Free framedata.
-    free(ptr);
+    //    free(ptr);
   }
 
   // Kick the others so they wake up with empty queues
-- 
cgit v1.2.3