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authordeva <deva>2006-06-09 18:20:51 +0000
committerdeva <deva>2006-06-09 18:20:51 +0000
commit8f9101869f6b460f61033ce434bba0a793d25137 (patch)
treefd07cb44be0b01da339f79164c323793d72ab4a9 /src/iso11172-1.h
parent6c31ad03de714676516d69ae9114e8bdd67c0d96 (diff)
Moved files to other folder:
lib - Shared files between server and client client - Client files server - Server files
Diffstat (limited to 'src/iso11172-1.h')
-rw-r--r--src/iso11172-1.h161
1 files changed, 0 insertions, 161 deletions
diff --git a/src/iso11172-1.h b/src/iso11172-1.h
deleted file mode 100644
index ee8f408..0000000
--- a/src/iso11172-1.h
+++ /dev/null
@@ -1,161 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/***************************************************************************
- * iso11172-1.h
- *
- * Wed Aug 31 13:48:30 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.
- */
-
-/*
- * This file contains symbols used to create an ISO11172-1 compatible multiplexed
- * MPEG stream.
- */
-
-#include "config.h"
-#ifndef __MIAV_ISO11172_1_H__
-#define __MIAV_ISO11172_1_H__
-
-#define CLOCK_90KHZ 90000
-
-namespace ISO11172_1 {
- ////////////////////////////////////////////////////
- // Types
- ////////////////////////////////////////////////////
- // 64 bits (8 bytes)
- typedef struct {
- unsigned long long int marker_bit3:1;
- unsigned long long int system_clock_reference3:15;
- unsigned long long int marker_bit2:1;
- unsigned long long int system_clock_reference2:15;
- unsigned long long int marker_bit1:1;
- unsigned long long int system_clock_reference1:3;
- unsigned long long int padding:4;
- unsigned long long int stuffing_byte:8;
- unsigned long long int packet_length:16;
- } packet_header;
-
- typedef struct {
- unsigned long long int marker_bit5:1;
- unsigned long long int mux_rate:22;
- unsigned long long int marker_bit4:1;
- unsigned long long int marker_bit3:1;
- unsigned long long int system_clock_reference3:15;
- unsigned long long int marker_bit2:1;
- unsigned long long int system_clock_reference2:15;
- unsigned long long int marker_bit1:1;
- unsigned long long int system_clock_reference1:3;
- unsigned long long int padding:4;
- } pack_header;
-
- typedef struct {
- unsigned long long int reserved_byte:8;
- unsigned long long int video_bound:5;
- unsigned long long int marker_bit3:1;
- unsigned long long int system_video_clock_flag:1;
- unsigned long long int system_audio_clock_flag:1;
- unsigned long long int CSPS_flag:1;
- unsigned long long int fixed_flag:1;
- unsigned long long int audio_bound:6;
- unsigned long long int marker_bit2:1;
- unsigned long long int rate_bound:22;
- unsigned long long int marker_bit1:1;
- unsigned long long int header_length:16;
- } system_header;
-
- typedef struct {
- unsigned long int STD_buffer_size_bound:13;
- unsigned long int STD_buffer_bound_scale:1;
- unsigned long int market_bits:2;
- unsigned long int stream_id:8;
- } stream_description;
-
- ////////////////////////////////////////////////////
- // Constants
- ////////////////////////////////////////////////////
- const char pack_start_code[] = "\x00\x00\x01\xBA";
- const char system_header_start_code[] = "\x00\x00\x01\xBB";
- const char packet_start_code_prefix[] = "\x00\x00\x01";
- const char stream_id_video1[] = "\xE3";
- const char stream_id_video2[] = "\xE4";
- const char stream_id_video3[] = "\xE5";
- const char stream_id_video4[] = "\xE6";
- const char stream_id_video5[] = "\xE7";
- const char stream_id_video6[] = "\xE8";
- const char stream_id_video7[] = "\xE9";
- const char stream_id_video8[] = "\xEA";
- const char stream_id_audio1[] = "\xC0";
- const char stream_id_audio2[] = "\xC1";
- const char stream_id_audio3[] = "\xC2";
- const char stream_id_audio4[] = "\xC3";
- const char stream_id_audio5[] = "\xC4";
- const char stream_id_audio6[] = "\xC5";
- const char stream_id_audio7[] = "\xC6";
- const char stream_id_audio8[] = "\xC7";
- const char stream_id_padding[] = "\xBE";
- const char end_code[] = "\x00\x00\x01\xB9";
-
- ////////////////////////////////////////////////////
- // Methods
- ////////////////////////////////////////////////////
- /**
- * SCR stands for System Clock Reference
- */
- inline unsigned int SCR(unsigned int previous_SCR,
- unsigned int pack_header_size,
- unsigned int packets_per_pack,
- unsigned int packet_data_size,
- unsigned int Rmux)
- {
- // To prevent a crash when doing division.
- if(Rmux == 0) Rmux = 1;
- return previous_SCR + (unsigned int)((double)(pack_header_size +
- (packets_per_pack * packet_data_size)) *
- (double)CLOCK_90KHZ / (double)Rmux);
- }
-
- /**
- * Calculates Rmux according to subclause A.5.4
- * mux stands for multiplexing and R for Rate,
- * so Rmux is the rate of the multiplexing.
- */
- inline unsigned int Rmux(unsigned int video_data_rate,
- unsigned int audio_data_rate,
- unsigned int packet_header_size,
- unsigned int pack_header_size,
- unsigned int packets_per_pack,
- unsigned int packet_data_size)
- {
- // To prevent a crash when doing division.
- if(packets_per_pack == 0) packets_per_pack = 1;
- if(packet_data_size == 0) packet_data_size = 1;
-
- return (unsigned int)(
- ((double)video_data_rate + (double)audio_data_rate) *
- (1.0 + ((double)packet_header_size + (double)pack_header_size / (double)packets_per_pack)
- / (double)packet_data_size)
- );
- }
-
-
-};
-
-#endif/*__MIAV_ISO11172_1_H__*/