/* MPEG-PS muxer plugin for GStreamer * Copyright 2008 Lin YANG <oxcsnicho@gmail.com> * * 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. */ /* * 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 __PSMUX_H__ #define __PSMUX_H__ #include <glib.h> #include "psmuxcommon.h" #include "psmuxstream.h" G_BEGIN_DECLS #define PSMUX_MAX_ES_INFO_LENGTH ((1 << 12) - 1) typedef gboolean (*PsMuxWriteFunc) (guint8 *data, guint len, void *user_data); struct PsMux { GList *streams; /* PsMuxStream* array of all streams */ guint nb_streams; guint nb_private_streams; PsMuxStreamIdInfo id_info; /* carrying the info which ids are used */ /* timestamps: pts */ GstClockTime pts; guint32 pes_cnt; /* # of pes that has been created */ guint16 pes_max_payload; /* maximum payload size in pes packets */ guint64 bit_size; /* accumulated bit size of processed data */ guint bit_rate; /* bit rate */ GstClockTime bit_pts; /* last time the bit_rate is updated */ guint pack_hdr_freq; /* PS pack header frequency */ GstClockTime pack_hdr_pts; /* last time a pack header is written */ guint sys_hdr_freq; /* system header frequency */ GstClockTime sys_hdr_pts; /* last time a system header is written */ guint psm_freq; /* program stream map frequency */ GstClockTime psm_pts; /* last time a psm is written */ guint8 packet_buf[PSMUX_MAX_PACKET_LEN]; guint packet_bytes_written; /* # of bytes written in the buf */ PsMuxWriteFunc write_func; void *write_func_data; /* Scratch space for writing ES_info descriptors */ guint8 es_info_buf[PSMUX_MAX_ES_INFO_LENGTH]; /* bounds in system header */ guint8 audio_bound; guint8 video_bound; guint32 rate_bound; /* stream headers */ GstBuffer *sys_header; GstBuffer *psm; }; /* create/free new muxer session */ PsMux * psmux_new (void); void psmux_free (PsMux *mux); /* Setting muxing session properties */ void psmux_set_write_func (PsMux *mux, PsMuxWriteFunc func, void *user_data); /* stream management */ PsMuxStream * psmux_create_stream (PsMux *mux, PsMuxStreamType stream_type); /* writing stuff */ gboolean psmux_write_stream_packet (PsMux *mux, PsMuxStream *stream); gboolean psmux_write_end_code (PsMux *mux); GList * psmux_get_stream_headers (PsMux *mux); G_END_DECLS #endif