mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-25 09:40:37 +00:00
d1e9a96a69
And refactor choose_best_stream() a little. videotestsrc pattern=ball ! x264enc ! mpegpsmux ! ... plays much nicer now.
132 lines
4.1 KiB
C
132 lines
4.1 KiB
C
/* 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);
|
|
|
|
#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
|