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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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, 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 __PSMUXSTREAM_H__
#define __PSMUXSTREAM_H__
#include <glib.h>
#include "psmuxcommon.h"
G_BEGIN_DECLS
typedef void (*PsMuxStreamBufferReleaseFunc) (guint8 *data, void *user_data);
enum PsMuxStreamType { /* Table 2-29 in spec */
PSMUX_ST_RESERVED = 0x00,
PSMUX_ST_VIDEO_MPEG1 = 0x01,
PSMUX_ST_VIDEO_MPEG2 = 0x02,
PSMUX_ST_AUDIO_MPEG1 = 0x03,
PSMUX_ST_AUDIO_MPEG2 = 0x04,
PSMUX_ST_PRIVATE_SECTIONS = 0x05,
PSMUX_ST_PRIVATE_DATA = 0x06,
PSMUX_ST_MHEG = 0x07,
PSMUX_ST_DSMCC = 0x08,
PSMUX_ST_H222_1 = 0x09,
/* later extensions */
PSMUX_ST_AUDIO_AAC = 0x0f,
PSMUX_ST_VIDEO_MPEG4 = 0x10,
PSMUX_ST_VIDEO_H264 = 0x1b,
/* private stream types */
PSMUX_ST_PS_AUDIO_AC3 = 0x81,
PSMUX_ST_PS_AUDIO_DTS = 0x8a,
PSMUX_ST_PS_AUDIO_LPCM = 0x8b,
PSMUX_ST_PS_DVD_SUBPICTURE = 0xff,
/* Non-standard definitions */
PSMUX_ST_VIDEO_DIRAC = 0xD1
};
struct PsMuxStreamBuffer
{
guint8 *data;
guint32 size;
gboolean keyunit;
/* PTS & DTS associated with the contents of this buffer */
GstClockTime pts;
GstClockTime dts;
void *user_data;
};
/* PsMuxStream receives elementary streams for parsing.
* Via the write_bytes() method, it can output a PES stream piecemeal */
struct PsMuxStream{
PsMuxPacketInfo pi;
PsMuxStreamType stream_type;
guint8 stream_id;
guint8 stream_id_ext; /* extended stream id (13818-1 Amdt 2) */
/* List of data buffers available for writing out */
GList *buffers;
guint32 bytes_avail;
/* Current data buffer being consumed */
PsMuxStreamBuffer *cur_buffer;
guint32 cur_buffer_consumed;
/* PES payload */
guint16 cur_pes_payload_size;
guint16 pes_bytes_written; /* delete*/
/* Release function */
PsMuxStreamBufferReleaseFunc buffer_release;
/* PTS/DTS to write if the flags in the packet info are set */
gint64 pts; /* TODO: cur_buffer->pts?*/
gint64 dts; /* TODO: cur_buffer->dts?*/
gint64 last_pts;
/* stream type */
gboolean is_video_stream;
gboolean is_audio_stream;
/* for writing descriptors */
gint audio_sampling;
gint audio_channels;
gint audio_bitrate;
/* for writing buffer size in system header */
guint max_buffer_size;
};
/* stream management */
PsMuxStream* psmux_stream_new (PsMux * mux, PsMuxStreamType stream_type);
void psmux_stream_free (PsMuxStream *stream);
/* The callback when a buffer is released. Used to unref the buffer in GStreamer */
void psmux_stream_set_buffer_release_func (PsMuxStream *stream,
PsMuxStreamBufferReleaseFunc 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 psmux_stream_add_data (PsMuxStream *stream, guint8 *data, guint len,
void *user_data, gint64 pts, gint64 dts,
gboolean keyunit);
/* total bytes in buffer */
gint psmux_stream_bytes_in_buffer (PsMuxStream *stream);
/* number of bytes of raw data available for writing */
gint psmux_stream_bytes_avail (PsMuxStream *stream);
/* write PES data */
guint psmux_stream_get_data (PsMuxStream *stream, guint8 *buf, guint len);
/* write corresponding descriptors of the stream */
void psmux_stream_get_es_descrs (PsMuxStream *stream, guint8 *buf, guint16 *len);
/* get the pts of stream */
guint64 psmux_stream_get_pts (PsMuxStream *stream);
/* stream_id assignemnt */
#define PSMUX_STREAM_ID_MPGA_INIT 0xc0
#define PSMUX_STREAM_ID_MPGA_MAX 0xcf
#define PSMUX_STREAM_ID_MPGV_INIT 0xe0
#define PSMUX_STREAM_ID_MPGV_MAX 0xef
#define PSMUX_STREAM_ID_AC3_INIT 0x80
#define PSMUX_STREAM_ID_AC3_MAX 0x87
#define PSMUX_STREAM_ID_SPU_INIT 0x20
#define PSMUX_STREAM_ID_SPU_MAX 0x3f
#define PSMUX_STREAM_ID_DTS_INIT 0x88
#define PSMUX_STREAM_ID_DTS_MAX 0x8f
#define PSMUX_STREAM_ID_LPCM_INIT 0xa0
#define PSMUX_STREAM_ID_LPCM_MAX 0xaf
#define PSMUX_STREAM_ID_DIRAC_INIT 0x60
#define PSMUX_STREAM_ID_DIRAC_MAX 0x6f
struct PsMuxStreamIdInfo {
guint8 id_mpga;
guint8 id_mpgv;
guint8 id_ac3;
guint8 id_spu;
guint8 id_dts;
guint8 id_lpcm;
guint8 id_dirac;
};
static inline void
psmux_stream_id_info_init (PsMuxStreamIdInfo * info)
{
g_return_if_fail (info != NULL);
info->id_mpga = PSMUX_STREAM_ID_MPGA_INIT;
info->id_mpgv = PSMUX_STREAM_ID_MPGV_INIT;
info->id_ac3 = PSMUX_STREAM_ID_AC3_INIT;
info->id_spu = PSMUX_STREAM_ID_SPU_INIT;
info->id_dts = PSMUX_STREAM_ID_DTS_INIT;
info->id_lpcm = PSMUX_STREAM_ID_LPCM_INIT;
info->id_dirac= PSMUX_STREAM_ID_DIRAC_INIT;
}
G_END_DECLS
#endif
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