gstreamer/gst/mpegdemux/flutspmtinfo.c

224 lines
6.9 KiB
C
Raw Normal View History

/*
* This library is licensed under 2 different licenses and you
* can choose to use it under the terms of either one of them. The
* two licenses are the MPL 1.1 and the LGPL.
*
* 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.
*
* The Original Code is Fluendo MPEG Demuxer plugin.
*
* The Initial Developer of the Original Code is Fluendo, S.L.
* Portions created by Fluendo, S.L. are Copyright (C) 2005
* Fluendo, S.L. All Rights Reserved.
*
* Contributor(s): Jan Schmidt <jan@fluendo.com>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include "flutspmtinfo.h"
enum
{
PROP_0,
PROP_PROGRAM_NO,
PROP_VERSION_NO,
PROP_PCR_PID,
PROP_DESCRIPTORS,
PROP_STREAMINFO
};
GST_BOILERPLATE (MpegTsPmtInfo, mpegts_pmt_info, GObject, G_TYPE_OBJECT);
static void mpegts_pmt_info_finalize (GObject * object);
static void mpegts_pmt_info_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * spec);
static void mpegts_pmt_info_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * spec);
static void
mpegts_pmt_info_base_init (gpointer klass)
{
}
static void
mpegts_pmt_info_class_init (MpegTsPmtInfoClass * klass)
{
GObjectClass *gobject_klass = (GObjectClass *) klass;
gobject_klass->finalize = mpegts_pmt_info_finalize;
gobject_klass->set_property = mpegts_pmt_info_set_property;
gobject_klass->get_property = mpegts_pmt_info_get_property;
g_object_class_install_property (gobject_klass, PROP_PROGRAM_NO,
g_param_spec_uint ("program-number", "Program Number",
"Program Number for this program", 0, G_MAXUINT16, 1,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_klass, PROP_PCR_PID,
g_param_spec_uint ("pcr-pid", "PID carrying the PCR for this program",
"PID which carries the PCR for this program", 1, G_MAXUINT16, 1,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_klass, PROP_STREAMINFO,
g_param_spec_value_array ("stream-info",
"GValueArray containing GObjects with properties",
"Array of GObjects containing information about the program streams",
g_param_spec_object ("flu-pmt-streaminfo", "FluPMTStreamInfo",
"Fluendo TS Demuxer PMT Stream info object",
MPEGTS_TYPE_PMT_STREAM_INFO,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS),
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_klass, PROP_VERSION_NO,
g_param_spec_uint ("version-number", "Version Number",
"Version number of this program information", 0, G_MAXUINT8, 1,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_klass, PROP_DESCRIPTORS,
g_param_spec_value_array ("descriptors",
"Descriptors",
"Value array of strings containing program descriptors",
g_param_spec_boxed ("descriptor",
"descriptor",
"", G_TYPE_GSTRING, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS),
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
}
static void
mpegts_pmt_info_init (MpegTsPmtInfo * pmt_info, MpegTsPmtInfoClass * klass)
{
pmt_info->streams = g_value_array_new (0);
pmt_info->descriptors = g_value_array_new (0);
}
MpegTsPmtInfo *
mpegts_pmt_info_new (guint16 program_no, guint16 pcr_pid, guint8 version_no)
{
MpegTsPmtInfo *info;
info = g_object_new (MPEGTS_TYPE_PMT_INFO, NULL);
info->program_no = program_no;
info->pcr_pid = pcr_pid;
info->version_no = version_no;
return info;
}
static void
mpegts_pmt_info_finalize (GObject * object)
{
MpegTsPmtInfo *info = MPEGTS_PMT_INFO (object);
g_value_array_free (info->streams);
g_value_array_free (info->descriptors);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
mpegts_pmt_info_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * spec)
{
g_return_if_fail (MPEGTS_IS_PMT_INFO (object));
/* No settable properties */
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, spec);
}
static void
mpegts_pmt_info_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * spec)
{
MpegTsPmtInfo *pmt_info;
g_return_if_fail (MPEGTS_IS_PMT_INFO (object));
pmt_info = MPEGTS_PMT_INFO (object);
switch (prop_id) {
case PROP_PROGRAM_NO:
g_value_set_uint (value, pmt_info->program_no);
break;
case PROP_PCR_PID:
g_value_set_uint (value, pmt_info->pcr_pid);
break;
case PROP_STREAMINFO:
g_value_set_boxed (value, pmt_info->streams);
break;
case PROP_VERSION_NO:
g_value_set_uint (value, pmt_info->version_no);
break;
case PROP_DESCRIPTORS:
g_value_set_boxed (value, pmt_info->descriptors);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, spec);
break;
}
}
void
mpegts_pmt_info_add_descriptor (MpegTsPmtInfo * pmt_info,
const gchar * descriptor, guint length)
{
GValue value = { 0 };
GString *string;
g_return_if_fail (MPEGTS_IS_PMT_INFO (pmt_info));
string = g_string_new_len (descriptor, length);
g_value_init (&value, G_TYPE_GSTRING);
g_value_take_boxed (&value, string);
g_value_array_append (pmt_info->descriptors, &value);
g_value_unset (&value);
}
void
mpegts_pmt_info_add_stream (MpegTsPmtInfo * pmt_info,
MpegTsPmtStreamInfo * stream)
{
GValue v = { 0, };
g_return_if_fail (MPEGTS_IS_PMT_INFO (pmt_info));
g_return_if_fail (MPEGTS_IS_PMT_STREAM_INFO (stream));
g_value_init (&v, G_TYPE_OBJECT);
g_value_take_object (&v, stream);
g_value_array_append (pmt_info->streams, &v);
g_value_unset (&v);
}