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125 lines
4 KiB
C
125 lines
4 KiB
C
/* MPEG-PS muxer plugin for GStreamer
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* Copyright 2008 Lin YANG <oxcsnicho@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Unless otherwise indicated, Source Code is licensed under MIT license.
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* See further explanation attached in License Statement (distributed in the file
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* LICENSE).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef __MPEGPSMUX_H__
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#define __MPEGPSMUX_H__
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#include <gst/gst.h>
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#include <gst/base/gstcollectpads2.h>
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#include <gst/base/gstadapter.h>
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G_BEGIN_DECLS
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#include "psmux.h"
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#define GST_TYPE_MPEG_PSMUX (mpegpsmux_get_type())
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#define GST_MPEG_PSMUX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_MPEG_PSMUX, MpegPsMux))
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typedef struct MpegPsMux MpegPsMux;
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typedef struct MpegPsMuxClass MpegPsMuxClass;
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typedef struct MpegPsPadData MpegPsPadData;
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typedef GstBuffer * (*MpegPsPadDataPrepareFunction) (GstBuffer * buf,
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MpegPsPadData * data, MpegPsMux * mux);
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struct MpegPsMux {
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GstElement parent;
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GstPad *srcpad;
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guint video_stream_id; /* stream id of primary video stream */
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GstCollectPads2 *collect; /* pads collector */
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PsMux *psmux;
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gboolean first;
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GstFlowReturn last_flow_ret;
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GstClockTime last_ts;
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GstBufferList *gop_list;
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gboolean aggregate_gops;
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};
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struct MpegPsMuxClass {
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GstElementClass parent_class;
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};
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struct MpegPsPadData {
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GstCollectData2 collect; /* Parent */
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guint8 stream_id;
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guint8 stream_id_ext;
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PsMuxStream *stream;
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GstBuffer *queued_buf; /* Currently pulled buffer */
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GstClockTime cur_ts; /* Adjusted TS for the pulled buffer */
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GstClockTime last_ts; /* Most recent valid TS for this stream */
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GstBuffer * codec_data; /* Optional codec data available in the caps */
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MpegPsPadDataPrepareFunction prepare_func; /* Handler to prepare input data */
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gboolean eos;
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};
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GType mpegpsmux_get_type (void);
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#define CLOCK_BASE 9LL
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#define CLOCK_FREQ (CLOCK_BASE * 10000)
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#define MPEGTIME_TO_GSTTIME(time) (gst_util_uint64_scale ((time), \
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GST_MSECOND/10, CLOCK_BASE))
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#define GSTTIME_TO_MPEGTIME(time) (gst_util_uint64_scale ((time), \
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CLOCK_BASE, GST_MSECOND/10))
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#define NORMAL_TS_PACKET_LENGTH 188
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#define M2TS_PACKET_LENGTH 192
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#define STANDARD_TIME_CLOCK 27000000
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/*33 bits as 1 ie 0x1ffffffff*/
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#define TWO_POW_33_MINUS1 ((0xffffffff * 2) - 1)
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G_END_DECLS
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#endif
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