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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 __MPEGPSMUX_H__
#define __MPEGPSMUX_H__
#include <gst/gst.h>
#include <gst/base/gstcollectpads.h>
#include <gst/base/gstadapter.h>
G_BEGIN_DECLS
#include "psmux.h"
#define GST_TYPE_MPEG_PSMUX (mpegpsmux_get_type())
#define GST_MPEG_PSMUX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_MPEG_PSMUX, MpegPsMux))
typedef struct MpegPsMux MpegPsMux;
typedef struct MpegPsMuxClass MpegPsMuxClass;
typedef struct MpegPsPadData MpegPsPadData;
typedef GstBuffer * (*MpegPsPadDataPrepareFunction) (GstBuffer * buf,
MpegPsPadData * data, MpegPsMux * mux);
struct MpegPsMux {
GstElement parent;
GstPad *srcpad;
guint video_stream_id; /* stream id of primary video stream */
GstCollectPads *collect; /* pads collector */
PsMux *psmux;
gboolean first;
GstFlowReturn last_flow_ret;
GstClockTime last_ts;
GstBufferList *gop_list;
gboolean aggregate_gops;
};
struct MpegPsMuxClass {
GstElementClass parent_class;
};
struct MpegPsPadData {
GstCollectData collect; /* Parent */
guint8 stream_id;
guint8 stream_id_ext;
PsMuxStream *stream;
/* Currently pulled buffer */
struct {
GstBuffer *buf;
GstClockTime ts; /* adjusted TS = MIN (DTS, PTS) for the pulled buffer */
GstClockTime pts; /* adjusted PTS (running time) */
GstClockTime dts; /* adjusted DTS (running time) */
} queued;
/* Most recent valid TS (DTS or PTS) for this stream */
GstClockTime last_ts;
GstBuffer * codec_data; /* Optional codec data available in the caps */
MpegPsPadDataPrepareFunction prepare_func; /* Handler to prepare input data */
gboolean eos;
};
GType mpegpsmux_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (mpegpsmux);
#define CLOCK_BASE 9LL
#define CLOCK_FREQ (CLOCK_BASE * 10000)
#define GSTTIME_TO_MPEGTIME(time) \
(GST_CLOCK_TIME_IS_VALID(time) ? \
gst_util_uint64_scale ((time), CLOCK_BASE, GST_MSECOND/10) : \
-1)
#define NORMAL_TS_PACKET_LENGTH 188
#define M2TS_PACKET_LENGTH 192
#define STANDARD_TIME_CLOCK 27000000
/*33 bits as 1 ie 0x1ffffffff*/
#define TWO_POW_33_MINUS1 ((0xffffffff * 2) - 1)
G_END_DECLS
#endif
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