/* * 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 #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_KLV = 0x8e, /* only used internally */ 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; gboolean is_dvb_sub; gchar language[4]; gboolean is_meta; }; /* 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, GstMpegtsPMTStream *pmt_stream); 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