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/* 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
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