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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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 __TSMUXSTREAM_H__
#define __TSMUXSTREAM_H__
#include <glib.h>
#include "tsmuxcommon.h"
G_BEGIN_DECLS
typedef enum TsMuxStreamType TsMuxStreamType;
typedef enum TsMuxStreamState TsMuxStreamState;
typedef struct TsMuxStreamBuffer TsMuxStreamBuffer;
typedef void (*TsMuxStreamBufferReleaseFunc) (guint8 *data, void *user_data);
/* Stream type assignments
*
* 0x00 ITU-T | ISO/IEC Reserved
* 0x01 ISO/IEC 11172 Video
* 0x02 ITU-T Rec. H.262 | ISO/IEC 13818-2 Video or
* ISO/IEC 11172-2 constrained parameter video
* stream
* 0x03 ISO/IEC 11172 Audio
* 0x04 ISO/IEC 13818-3 Audio
* 0x05 ITU-T Rec. H.222.0 | ISO/IEC 13818-1
* private_sections
* 0x06 ITU-T Rec. H.222.0 | ISO/IEC 13818-1 PES
* packets containing private data
* 0x07 ISO/IEC 13522 MHEG
* 0x08 ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Annex A
* DSM CC
* 0x09 ITU-T Rec. H.222.1
* 0x0A ISO/IEC 13818-6 type A
* 0x0B ISO/IEC 13818-6 type B
* 0x0C ISO/IEC 13818-6 type C
* 0x0D ISO/IEC 13818-6 type D
* 0x0E ISO/IEC 13818-1 auxiliary
* 0x0F-0x7F ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Reserved
* 0x80-0xFF User Private
*/
enum TsMuxStreamType {
TSMUX_ST_RESERVED = 0x00,
TSMUX_ST_VIDEO_MPEG1 = 0x01,
TSMUX_ST_VIDEO_MPEG2 = 0x02,
TSMUX_ST_AUDIO_MPEG1 = 0x03,
TSMUX_ST_AUDIO_MPEG2 = 0x04,
TSMUX_ST_PRIVATE_SECTIONS = 0x05,
TSMUX_ST_PRIVATE_DATA = 0x06,
TSMUX_ST_MHEG = 0x07,
TSMUX_ST_DSMCC = 0x08,
TSMUX_ST_H222_1 = 0x09,
/* later extensions */
TSMUX_ST_AUDIO_AAC = 0x0f,
TSMUX_ST_VIDEO_MPEG4 = 0x10,
TSMUX_ST_VIDEO_H264 = 0x1b,
/* private stream types */
TSMUX_ST_PS_AUDIO_AC3 = 0x81,
TSMUX_ST_PS_AUDIO_DTS = 0x8a,
TSMUX_ST_PS_AUDIO_LPCM = 0x8b,
TSMUX_ST_PS_DVB_SUBPICTURE = 0x8c,
TSMUX_ST_PS_TELETEXT = 0x8d,
TSMUX_ST_PS_DVD_SUBPICTURE = 0xff,
/* Non-standard definitions */
TSMUX_ST_VIDEO_DIRAC = 0xD1
};
enum TsMuxStreamState {
TSMUX_STREAM_STATE_HEADER,
TSMUX_STREAM_STATE_PACKET
};
/* TsMuxStream receives elementary streams for parsing */
struct TsMuxStream {
TsMuxStreamState state;
TsMuxPacketInfo pi;
TsMuxStreamType stream_type;
/* stream_id (13818-1) */
guint8 id;
/* extended stream id (13818-1 Amdt 2) */
guint8 id_extended;
gboolean is_video_stream;
/* data available for writing out
* and total sum of sizes */
GList *buffers;
guint32 bytes_avail;
/* current data buffer being consumed
* and amount already consumed */
TsMuxStreamBuffer *cur_buffer;
guint32 cur_buffer_consumed;
/* helper to release collected buffers */
TsMuxStreamBufferReleaseFunc buffer_release;
/* optional fixed PES size for stream type */
guint16 pes_payload_size;
/* current PES payload size being written */
guint16 cur_pes_payload_size;
/* ... of which already this much written */
guint16 pes_bytes_written;
/* PTS/DTS to write if the flags in the packet info are set */
/* in MPEG PTS clock time */
gint64 pts;
gint64 dts;
/* last ts written, or maybe next one ... ?! */
gint64 last_dts;
gint64 last_pts;
/* count of programs using this as PCR */
gint pcr_ref;
/* last time PCR written */
gint64 last_pcr;
/* audio parameters for stream
* (used in stream descriptor) */
gint audio_sampling;
gint audio_channels;
gint audio_bitrate;
};
/* stream management */
TsMuxStream * tsmux_stream_new (guint16 pid, TsMuxStreamType stream_type);
void tsmux_stream_free (TsMuxStream *stream);
guint16 tsmux_stream_get_pid (TsMuxStream *stream);
void tsmux_stream_set_buffer_release_func (TsMuxStream *stream,
TsMuxStreamBufferReleaseFunc func);
/* Add a new buffer to the pool of available bytes. If pts or dts are not -1, they
* indicate the PTS or DTS of the first access unit within this packet */
void tsmux_stream_add_data (TsMuxStream *stream, guint8 *data, guint len,
void *user_data, gint64 pts, gint64 dts,
gboolean random_access);
void tsmux_stream_pcr_ref (TsMuxStream *stream);
void tsmux_stream_pcr_unref (TsMuxStream *stream);
gboolean tsmux_stream_is_pcr (TsMuxStream *stream);
gboolean tsmux_stream_at_pes_start (TsMuxStream *stream);
void tsmux_stream_get_es_descrs (TsMuxStream *stream, guint8 *buf, guint16 *len);
gint tsmux_stream_bytes_in_buffer (TsMuxStream *stream);
gint tsmux_stream_bytes_avail (TsMuxStream *stream);
gboolean tsmux_stream_initialize_pes_packet (TsMuxStream *stream);
gboolean tsmux_stream_get_data (TsMuxStream *stream, guint8 *buf, guint len);
guint64 tsmux_stream_get_pts (TsMuxStream *stream);
G_END_DECLS
#endif
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