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/*
* Copyright 2006 BBC and Fluendo S.A.
*
* This library is licensed under 4 different licenses and you
* can choose to use it under the terms of any one of them. The
* four licenses are the MPL 1.1, the LGPL, the GPL and the MIT
* license.
*
* MPL:
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/.
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
*
* LGPL:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* GPL:
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* MIT:
*
* Unless otherwise indicated, Source Code is licensed under MIT license.
* See further explanation attached in License Statement (distributed in the file
* LICENSE).
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#ifndef __TSMUX_COMMON_H__
#define __TSMUX_COMMON_H__
#include <glib.h>
#include <gst/gst.h>
G_BEGIN_DECLS
#define TSMUX_SYNC_BYTE 0x47
#define TSMUX_PACKET_LENGTH 188
#define TSMUX_HEADER_LENGTH 4
#define TSMUX_PAYLOAD_LENGTH (TSMUX_PACKET_LENGTH - TSMUX_HEADER_LENGTH)
#define TSMUX_MIN_ES_DESC_LEN 8
/* Frequency for PCR representation */
#define TSMUX_SYS_CLOCK_FREQ ((gint64) 27000000)
/* Frequency for PTS values */
#define TSMUX_CLOCK_FREQ (TSMUX_SYS_CLOCK_FREQ / 300)
#define TSMUX_PACKET_FLAG_NONE (0)
#define TSMUX_PACKET_FLAG_ADAPTATION (1 << 0)
#define TSMUX_PACKET_FLAG_DISCONT (1 << 1)
#define TSMUX_PACKET_FLAG_RANDOM_ACCESS (1 << 2)
#define TSMUX_PACKET_FLAG_PRIORITY (1 << 3)
#define TSMUX_PACKET_FLAG_WRITE_PCR (1 << 4)
#define TSMUX_PACKET_FLAG_WRITE_OPCR (1 << 5)
#define TSMUX_PACKET_FLAG_WRITE_SPLICE (1 << 6)
#define TSMUX_PACKET_FLAG_WRITE_ADAPT_EXT (1 << 7)
/* PES stream specific flags */
#define TSMUX_PACKET_FLAG_PES_FULL_HEADER (1 << 8)
#define TSMUX_PACKET_FLAG_PES_WRITE_PTS (1 << 9)
#define TSMUX_PACKET_FLAG_PES_WRITE_PTS_DTS (1 << 10)
#define TSMUX_PACKET_FLAG_PES_WRITE_ESCR (1 << 11)
#define TSMUX_PACKET_FLAG_PES_EXT_STREAMID (1 << 12)
#define TSMUX_PACKET_FLAG_PES_DATA_ALIGNMENT (1 << 13)
/* PAT interval (1/10th sec) */
#define TSMUX_DEFAULT_PAT_INTERVAL (TSMUX_CLOCK_FREQ / 10)
/* PMT interval (1/10th sec) */
#define TSMUX_DEFAULT_PMT_INTERVAL (TSMUX_CLOCK_FREQ / 10)
typedef struct TsMuxPacketInfo TsMuxPacketInfo;
typedef struct TsMuxProgram TsMuxProgram;
typedef struct TsMuxStream TsMuxStream;
struct TsMuxPacketInfo {
guint16 pid;
guint32 flags;
gboolean packet_start_unit_indicator;
/* continuity counter */
guint8 packet_count;
/* payload bytes available
* (including PES header if applicable) */
guint stream_avail;
/* optional PCR */
guint64 pcr;
/* following not really actively used */
guint64 opcr;
guint8 splice_countdown;
guint8 private_data_len;
guint8 private_data[256];
};
static inline void
tsmux_put16 (guint8 **pos, guint16 val)
{
*(*pos)++ = (val >> 8) & 0xff;
*(*pos)++ = val & 0xff;
}
static inline void
tsmux_put32 (guint8 **pos, guint32 val)
{
*(*pos)++ = (val >> 24) & 0xff;
*(*pos)++ = (val >> 16) & 0xff;
*(*pos)++ = (val >> 8) & 0xff;
*(*pos)++ = val & 0xff;
}
static inline void
tsmux_put_ts (guint8 **pos, guint8 id, gint64 ts)
{
/* 1: 4 bit id value | TS [32..30] | marker_bit */
*(*pos)++ = ((id << 4) | ((ts >> 29) & 0x0E) | 0x01) & 0xff;
/* 2, 3: TS[29..15] | marker_bit */
tsmux_put16 (pos, ((ts >> 14) & 0xfffe) | 0x01);
/* 4, 5: TS[14..0] | marker_bit */
tsmux_put16 (pos, ((ts << 1) & 0xfffe) | 0x01);
}
GST_DEBUG_CATEGORY_EXTERN (mpegtsmux_debug);
#define TS_DEBUG GST_DEBUG
G_END_DECLS
#endif
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