1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/*
* GStreamer
* Copyright (c) 2010, Texas Instruments Incorporated
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation
* version 2.1 of the License.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* SECTION:element-ducatimpeg4dec
*
* FIXME:Describe ducatimpeg4dec here.
*
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch -v -m fakesrc ! ducatimpeg4dec ! fakesink silent=TRUE
* ]|
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "gstducatimpeg4dec.h"
#define PADX 32
#define PADY 32
GST_BOILERPLATE (GstDucatiMpeg4Dec, gst_ducati_mpeg4dec, GstDucatiVidDec,
GST_TYPE_DUCATIVIDDEC);
#define MPEG4DEC_SINKCAPS_COMMON \
"width = (int)[ 16, 2048 ], " \
"height = (int)[ 16, 2048 ], " \
"framerate = (fraction)[ 0, max ]"
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (
"video/mpeg, "
"mpegversion = (int)4, "
"systemstream = (boolean)false, "
MPEG4DEC_SINKCAPS_COMMON ";"
"video/x-divx, "
"divxversion = (int)[4, 5], " /* TODO check this */
MPEG4DEC_SINKCAPS_COMMON ";"
"video/x-xvid, "
MPEG4DEC_SINKCAPS_COMMON ";"
"video/x-3ivx, "
MPEG4DEC_SINKCAPS_COMMON ";"
)
);
/* GstDucatiVidDec vmethod implementations */
static void
gst_ducati_mpeg4dec_update_buffer_size (GstDucatiVidDec * self)
{
gint w = self->width;
gint h = self->height;
/* calculate output buffer parameters: */
self->padded_width = ALIGN2 (w + PADX, 7);
self->padded_height = h + PADY;
self->min_buffers = 8;
}
static gboolean
gst_ducati_mpeg4dec_allocate_params (GstDucatiVidDec * self, gint params_sz,
gint dynparams_sz, gint status_sz, gint inargs_sz, gint outargs_sz)
{
gboolean ret = parent_class->allocate_params (self,
sizeof (VIDDEC3_Params), sizeof (VIDDEC3_DynamicParams),
sizeof (VIDDEC3_Status), sizeof (VIDDEC3_InArgs),
sizeof (VIDDEC3_OutArgs));
if (ret) {
self->params->displayDelay = IVIDDEC3_DISPLAY_DELAY_1;
self->dynParams->lateAcquireArg = -1;
}
return ret;
}
/* GObject vmethod implementations */
static void
gst_ducati_mpeg4dec_base_init (gpointer gclass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
gst_element_class_set_details_simple (element_class,
"DucatiMpeg4Dec",
"Codec/Decoder/Video",
"Decodes video in MPEG-4 format with ducati",
"Rob Clark <rob@ti.com>");
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_factory));
}
static void
gst_ducati_mpeg4dec_class_init (GstDucatiMpeg4DecClass * klass)
{
GstDucatiVidDecClass *bclass = GST_DUCATIVIDDEC_CLASS (klass);
bclass->codec_name = "ivahd_mpeg4dec";
bclass->update_buffer_size =
GST_DEBUG_FUNCPTR (gst_ducati_mpeg4dec_update_buffer_size);
bclass->allocate_params =
GST_DEBUG_FUNCPTR (gst_ducati_mpeg4dec_allocate_params);
}
static void
gst_ducati_mpeg4dec_init (GstDucatiMpeg4Dec * self,
GstDucatiMpeg4DecClass * gclass)
{
}
|
