| /* |
| * 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 __TSMUX_H__ |
| #define __TSMUX_H__ |
| |
| #include <glib.h> |
| |
| #include <gst/mpegts/mpegts.h> |
| |
| #include "tsmuxcommon.h" |
| #include "tsmuxstream.h" |
| |
| G_BEGIN_DECLS |
| |
| #define TSMUX_MAX_ES_INFO_LENGTH ((1 << 12) - 1) |
| #define TSMUX_MAX_SECTION_LENGTH (4096) |
| |
| #define TSMUX_PID_AUTO ((guint16)-1) |
| |
| #define TSMUX_START_PROGRAM_ID 0x0001 |
| #define TSMUX_START_PMT_PID 0x0020 |
| #define TSMUX_START_ES_PID 0x0040 |
| |
| typedef struct TsMuxSection TsMuxSection; |
| typedef struct TsMux TsMux; |
| |
| typedef gboolean (*TsMuxWriteFunc) (GstBuffer * buf, void *user_data, gint64 new_pcr); |
| typedef void (*TsMuxAllocFunc) (GstBuffer ** buf, void *user_data); |
| |
| struct TsMuxSection { |
| TsMuxPacketInfo pi; |
| GstMpegTsSection *section; |
| |
| /* Private sections can be up to 4096 bytes */ |
| guint8 data[TSMUX_MAX_SECTION_LENGTH]; |
| }; |
| |
| /* Information for the streams associated with one program */ |
| struct TsMuxProgram { |
| TsMuxSection pmt; |
| /* PMT version */ |
| guint8 pmt_version; |
| /* trigger for writing PMT */ |
| gboolean pmt_changed; |
| |
| /* interval between PMT in MPEG PTS clock time */ |
| guint pmt_interval; |
| /* last time PMT written in MPEG PTS clock time */ |
| gint64 last_pmt_ts; |
| |
| /* program ID for the PAT */ |
| guint16 pgm_number; |
| /* PID to write the PMT */ |
| guint16 pmt_pid; |
| |
| /* stream which carries the PCR */ |
| TsMuxStream *pcr_stream; |
| |
| /* programs TsMuxStream's */ |
| GArray *streams; |
| }; |
| |
| struct TsMux { |
| /* TsMuxStream* array of all streams */ |
| guint nb_streams; |
| GList *streams; |
| |
| /* TsMuxProgram* array of all programs */ |
| guint nb_programs; |
| GList *programs; |
| |
| /* next auto-generated misc id */ |
| guint16 next_pgm_no; |
| guint16 next_pmt_pid; |
| guint16 next_stream_pid; |
| |
| /* Table with TsMuxSection to write */ |
| GHashTable *si_sections; |
| |
| TsMuxSection pat; |
| /* PAT transport_stream_id */ |
| guint16 transport_id; |
| /* PAT version */ |
| guint8 pat_version; |
| /* trigger writing PAT */ |
| gboolean pat_changed; |
| /* interval between PAT in MPEG PTS clock time */ |
| guint pat_interval; |
| /* last time PAT written in MPEG PTS clock time */ |
| gint64 last_pat_ts; |
| |
| /* trigger writing Service Information Tables */ |
| gboolean si_changed; |
| /* interval between SIT in MPEG PTS clock time */ |
| guint si_interval; |
| /* last time SIT written in MPEG PTS clock time */ |
| gint64 last_si_ts; |
| |
| /* callback to write finished packet */ |
| TsMuxWriteFunc write_func; |
| void *write_func_data; |
| /* callback to alloc new packet buffer */ |
| TsMuxAllocFunc alloc_func; |
| void *alloc_func_data; |
| |
| /* scratch space for writing ES_info descriptors */ |
| guint8 es_info_buf[TSMUX_MAX_ES_INFO_LENGTH]; |
| }; |
| |
| /* create/free new muxer session */ |
| TsMux * tsmux_new (void); |
| void tsmux_free (TsMux *mux); |
| |
| /* Setting muxing session properties */ |
| void tsmux_set_write_func (TsMux *mux, TsMuxWriteFunc func, void *user_data); |
| void tsmux_set_alloc_func (TsMux *mux, TsMuxAllocFunc func, void *user_data); |
| void tsmux_set_pat_interval (TsMux *mux, guint interval); |
| guint tsmux_get_pat_interval (TsMux *mux); |
| guint16 tsmux_get_new_pid (TsMux *mux); |
| |
| /* pid/program management */ |
| TsMuxProgram * tsmux_program_new (TsMux *mux, gint prog_id); |
| void tsmux_program_free (TsMuxProgram *program); |
| void tsmux_set_pmt_interval (TsMuxProgram *program, guint interval); |
| guint tsmux_get_pmt_interval (TsMuxProgram *program); |
| |
| /* SI table management */ |
| void tsmux_set_si_interval (TsMux *mux, guint interval); |
| guint tsmux_get_si_interval (TsMux *mux); |
| gboolean tsmux_add_mpegts_si_section (TsMux * mux, GstMpegTsSection * section); |
| |
| /* stream management */ |
| TsMuxStream * tsmux_create_stream (TsMux *mux, TsMuxStreamType stream_type, guint16 pid, gchar *language); |
| TsMuxStream * tsmux_find_stream (TsMux *mux, guint16 pid); |
| |
| void tsmux_program_add_stream (TsMuxProgram *program, TsMuxStream *stream); |
| void tsmux_program_set_pcr_stream (TsMuxProgram *program, TsMuxStream *stream); |
| |
| /* writing stuff */ |
| gboolean tsmux_write_stream_packet (TsMux *mux, TsMuxStream *stream); |
| |
| G_END_DECLS |
| |
| #endif |