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Diffstat (limited to 'gst/mpegtsmux/tsmux/tsmuxstream.h')
| -rw-r--r-- | gst/mpegtsmux/tsmux/tsmuxstream.h | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/gst/mpegtsmux/tsmux/tsmuxstream.h b/gst/mpegtsmux/tsmux/tsmuxstream.h new file mode 100644 index 00000000..9cc049ad --- /dev/null +++ b/gst/mpegtsmux/tsmux/tsmuxstream.h @@ -0,0 +1,217 @@ +/* + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 <tsmux/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_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. + * Via the write_bytes() method, it can output a PES stream piecemeal */ +struct TsMuxStream { + TsMuxStreamState state; + TsMuxPacketInfo pi; + TsMuxStreamType stream_type; + guint8 id; /* stream id */ + guint8 id_extended; /* extended stream id (13818-1 Amdt 2) */ + + gboolean is_video_stream; + + /* List of data buffers available for writing out */ + GList *buffers; + guint32 bytes_avail; + + /* Current data buffer being consumed */ + TsMuxStreamBuffer *cur_buffer; + guint32 cur_buffer_consumed; + + TsMuxStreamBufferReleaseFunc buffer_release; + + guint16 pes_payload_size; + guint16 cur_pes_payload_size; + guint16 pes_bytes_written; + + /* PTS/DTS to write if the flags in the packet info are set */ + gint64 pts; + gint64 dts; + + gint64 last_pts; + gint64 last_dts; + + gint pcr_ref; + gint64 last_pcr; +}; + +/* 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); + +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_get_data (TsMuxStream *stream, guint8 *buf, guint len); + +guint64 tsmux_stream_get_pts (TsMuxStream *stream); + +G_END_DECLS + +#endif |