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
134
135
136
137
138
|
/*
* Copyright (C) 2007-2009 Nokia Corporation.
*
* Author: Felipe Contreras <felipe.contreras@nokia.com>
*
* 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
*
*/
#include "gstomx_mpeg4enc.h"
#include "gstomx.h"
#include <string.h> /* for memset */
GSTOMX_BOILERPLATE (GstOmxMpeg4Enc, gst_omx_mpeg4enc, GstOmxBaseVideoEnc, GST_OMX_BASE_VIDEOENC_TYPE);
static GstCaps *
generate_src_template (void)
{
GstCaps *caps;
caps = gst_caps_new_simple ("video/mpeg",
"width", GST_TYPE_INT_RANGE, 16, 4096,
"height", GST_TYPE_INT_RANGE, 16, 4096,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1,
"mpegversion", G_TYPE_INT, 4,
"systemstream", G_TYPE_BOOLEAN, FALSE,
NULL);
return caps;
}
static void
type_base_init (gpointer g_class)
{
GstElementClass *element_class;
element_class = GST_ELEMENT_CLASS (g_class);
{
GstElementDetails details;
details.longname = "OpenMAX IL MPEG-4 video encoder";
details.klass = "Codec/Encoder/Video";
details.description = "Encodes video in MPEG-4 format with OpenMAX IL";
details.author = "Felipe Contreras";
gst_element_class_set_details (element_class, &details);
}
{
GstPadTemplate *template;
template = gst_pad_template_new ("src", GST_PAD_SRC,
GST_PAD_ALWAYS,
generate_src_template ());
gst_element_class_add_pad_template (element_class, template);
}
}
static void
type_class_init (gpointer g_class,
gpointer class_data)
{
}
static void
settings_changed_cb (GOmxCore *core)
{
GstOmxBaseVideoEnc *omx_base;
GstOmxBaseFilter *omx_base_filter;
guint width;
guint height;
omx_base_filter = core->object;
omx_base = GST_OMX_BASE_VIDEOENC (omx_base_filter);
GST_DEBUG_OBJECT (omx_base, "settings changed");
{
OMX_PARAM_PORTDEFINITIONTYPE param;
memset (¶m, 0, sizeof (param));
param.nSize = sizeof (OMX_PARAM_PORTDEFINITIONTYPE);
param.nVersion.s.nVersionMajor = 1;
param.nVersion.s.nVersionMinor = 1;
param.nPortIndex = 1;
OMX_GetParameter (core->omx_handle, OMX_IndexParamPortDefinition, ¶m);
width = param.format.video.nFrameWidth;
height = param.format.video.nFrameHeight;
}
{
GstCaps *new_caps;
new_caps = gst_caps_new_simple ("video/mpeg",
"mpegversion", G_TYPE_INT, 4,
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height,
"framerate", GST_TYPE_FRACTION,
omx_base->framerate_num, omx_base->framerate_denom,
"systemstream", G_TYPE_BOOLEAN, FALSE,
NULL);
GST_INFO_OBJECT (omx_base, "caps are: %" GST_PTR_FORMAT, new_caps);
gst_pad_set_caps (omx_base_filter->srcpad, new_caps);
}
}
static void
type_instance_init (GTypeInstance *instance,
gpointer g_class)
{
GstOmxBaseFilter *omx_base_filter;
GstOmxBaseVideoEnc *omx_base;
omx_base_filter = GST_OMX_BASE_FILTER (instance);
omx_base = GST_OMX_BASE_VIDEOENC (instance);
omx_base->compression_format = OMX_VIDEO_CodingMPEG4;
omx_base_filter->gomx->settings_changed_cb = settings_changed_cb;
}
|
