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authordeva <deva>2006-03-04 14:53:17 +0000
committerdeva <deva>2006-03-04 14:53:17 +0000
commitf02095ee5ceb78f1781a9e250693b8866ca42181 (patch)
tree7953c6b5f004f31ee9b340d7cdff5e85890594fc /server/multiplexer.h
parent71c713dce2b5128862b293aa7fcc1d7ee89ffaf1 (diff)
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ * multiplexer.h
+ *
+ * Wed Aug 31 13:05:18 CEST 2005
+ * Copyright 2005 Bent Bisballe Nyeng
+ * deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ * This file is part of MIaV.
+ *
+ * MIaV is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * MIaV is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with MIaV; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#include "config.h"
+#ifndef __MIAV_MULTIPLEXER_H__
+#define __MIAV_MULTIPLEXER_H__
+
+#include "iso11172-1.h"
+#include "iso11172-2.h"
+#include "iso11172-3.h"
+
+#include "file.h"
+#include "multicast.h"
+#include "info.h"
+#include "frame.h"
+
+#include "threadsafe_queue_priority.h"
+
+/**
+ * Multiplexer configuration
+ */
+// How many packets should we put in one pack
+#define PACKETS_PER_PACK 3
+
+// How many packets bewteen audio packs
+#define AUDIO_PACKET_FREQUENCY 10
+
+// How many packs bewteen system headers
+#define SYSTEM_HEADER_FREQUENCY 5
+
+// Size of video or audio data pr. packet
+#define PACKET_SIZE 2028
+
+/**
+ * Other stuff
+ */
+// The number of streamtypes.
+#define NUM_TYPES 2
+
+// Enum of the streamtypes.
+typedef enum {
+ TYPE_VIDEO,
+ TYPE_AUDIO
+} StreamType;
+
+
+class Multiplexer {
+public:
+ Multiplexer(File *file, Multicast *m, Info *info, volatile bool *running,
+ ThreadSafeQueuePriority *video_queue,
+ ThreadSafeQueuePriority *audio_queue);
+ ~Multiplexer();
+
+ void multiplex();
+
+private:
+ int Write(void* data, int size);
+ int Write(char* data, int size);
+ int Write(unsigned long long int val);
+ int Write(long long int val);
+ int Write(long int val);
+ int Write(unsigned long int val);
+ int Write(int val);
+ int Write(unsigned int val);
+ int Write(short int val);
+ int Write(unsigned short int val);
+
+ unsigned long long int SCR;
+
+ double written[NUM_TYPES];
+
+ void iso11172_stream();
+ bool pack();
+ void system_header();
+ bool packet();
+ bool packet(StreamType type);
+ /*
+ void audio_packet();
+ void video_packet();
+
+ void audio_data(ISO11172_3::header *header);
+ void audio_data_layer_I(ISO11172_3::header *header);
+ void audio_data_layer_II(ISO11172_3::header *header);
+ void audio_data_layer_III(ISO11172_3::header *header);
+
+ void video_data(ISO11172_2::sequence_header_1 *header1,
+ ISO11172_2::sequence_header_2 *header2);
+ */
+ // Frequency variables
+ unsigned int write_system_header;
+ unsigned int write_audio_packet;
+
+ Frame *getFrame(StreamType type);
+ int read_stream(char *buf, unsigned int size, StreamType type);
+
+ Frame *frame[NUM_TYPES];
+ unsigned int frame_number[NUM_TYPES];
+ unsigned int read[NUM_TYPES];
+
+ File *file;
+ Multicast *multicast;
+ Info *info;
+ volatile bool *running;
+
+ // Audio Header
+ bool audio_header_read;
+
+ ThreadSafeQueuePriority *queue[NUM_TYPES];
+};
+
+#endif/*__MIAV_MULTIPLEXER_H__*/