1 /* GStreamer Intel MSDK plugin
2 * Copyright (c) 2016, Intel Corporation
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
28 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
29 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #ifdef HAVE_CONFIG_H
33 # include <config.h>
34 #endif
35
36 #ifdef HAVE_MFX_MFXDEFS_H
37 # include <mfx/mfxstructures.h>
38 # include <mfx/mfxjpeg.h>
39 #else
40 # include "mfxstructures.h"
41 # include "mfxjpeg.h"
42 #endif
43
44 #include "gstmsdkmjpegenc.h"
45
46 GST_DEBUG_CATEGORY_EXTERN (gst_msdkmjpegenc_debug);
47 #define GST_CAT_DEFAULT gst_msdkmjpegenc_debug
48
49 enum
50 {
51 PROP_0,
52 PROP_QUALITY
53 };
54
55 #define DEFAULT_QUALITY 85
56
57 static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
58 GST_PAD_SRC,
59 GST_PAD_ALWAYS,
60 GST_STATIC_CAPS ("image/jpeg, "
61 "framerate = (fraction) [0/1, MAX], "
62 "width = (int) [ 1, MAX ], height = (int) [ 1, MAX ]")
63 );
64
65 #define gst_msdkmjpegenc_parent_class parent_class
66 G_DEFINE_TYPE (GstMsdkMJPEGEnc, gst_msdkmjpegenc, GST_TYPE_MSDKENC);
67
68 static gboolean
gst_msdkmjpegenc_set_format(GstMsdkEnc * encoder)69 gst_msdkmjpegenc_set_format (GstMsdkEnc * encoder)
70 {
71 return TRUE;
72 }
73
74 static gboolean
gst_msdkmjpegenc_configure(GstMsdkEnc * encoder)75 gst_msdkmjpegenc_configure (GstMsdkEnc * encoder)
76 {
77 GstMsdkMJPEGEnc *mjpegenc = GST_MSDKMJPEGENC (encoder);
78
79 encoder->param.mfx.CodecId = MFX_CODEC_JPEG;
80 encoder->param.mfx.Quality = mjpegenc->quality;
81 encoder->param.mfx.Interleaved = 1;
82 encoder->param.mfx.RestartInterval = 0;
83 encoder->param.mfx.BufferSizeInKB = 3072;
84
85 return TRUE;
86 }
87
88 static GstCaps *
gst_msdkmjpegenc_set_src_caps(GstMsdkEnc * encoder)89 gst_msdkmjpegenc_set_src_caps (GstMsdkEnc * encoder)
90 {
91 GstCaps *caps;
92
93 caps = gst_caps_from_string ("image/jpeg");
94
95 return caps;
96 }
97
98 static void
gst_msdkmjpegenc_get_property(GObject * object,guint prop_id,GValue * value,GParamSpec * pspec)99 gst_msdkmjpegenc_get_property (GObject * object, guint prop_id, GValue * value,
100 GParamSpec * pspec)
101 {
102 GstMsdkMJPEGEnc *thiz = GST_MSDKMJPEGENC (object);
103
104 GST_OBJECT_LOCK (thiz);
105 switch (prop_id) {
106 case PROP_QUALITY:
107 g_value_set_uint (value, thiz->quality);
108 break;
109 default:
110 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
111 break;
112 }
113 GST_OBJECT_UNLOCK (thiz);
114 }
115
116 static void
gst_msdkmjpegenc_set_property(GObject * object,guint prop_id,const GValue * value,GParamSpec * pspec)117 gst_msdkmjpegenc_set_property (GObject * object, guint prop_id,
118 const GValue * value, GParamSpec * pspec)
119 {
120 GstMsdkMJPEGEnc *thiz = GST_MSDKMJPEGENC (object);
121
122 GST_OBJECT_LOCK (thiz);
123 switch (prop_id) {
124 case PROP_QUALITY:
125 thiz->quality = g_value_get_uint (value);
126 break;
127 default:
128 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
129 break;
130 }
131 GST_OBJECT_UNLOCK (thiz);
132 }
133
134 static void
gst_msdkmjpegenc_class_init(GstMsdkMJPEGEncClass * klass)135 gst_msdkmjpegenc_class_init (GstMsdkMJPEGEncClass * klass)
136 {
137 GObjectClass *gobject_class;
138 GstElementClass *element_class;
139 GstMsdkEncClass *encoder_class;
140
141 gobject_class = G_OBJECT_CLASS (klass);
142 element_class = GST_ELEMENT_CLASS (klass);
143 encoder_class = GST_MSDKENC_CLASS (klass);
144
145 encoder_class->set_format = gst_msdkmjpegenc_set_format;
146 encoder_class->configure = gst_msdkmjpegenc_configure;
147 encoder_class->set_src_caps = gst_msdkmjpegenc_set_src_caps;
148
149 gobject_class->get_property = gst_msdkmjpegenc_get_property;
150 gobject_class->set_property = gst_msdkmjpegenc_set_property;
151
152 g_object_class_install_property (gobject_class, PROP_QUALITY,
153 g_param_spec_uint ("quality", "Quality", "Quality of encoding",
154 0, 100, DEFAULT_QUALITY, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
155
156 gst_element_class_set_static_metadata (element_class,
157 "Intel MSDK MJPEG encoder",
158 "Codec/Encoder/Video/Hardware",
159 "MJPEG video encoder based on Intel Media SDK",
160 "Scott D Phillips <scott.d.phillips@intel.com>");
161
162 gst_element_class_add_static_pad_template (element_class, &src_factory);
163 }
164
165 static void
gst_msdkmjpegenc_init(GstMsdkMJPEGEnc * thiz)166 gst_msdkmjpegenc_init (GstMsdkMJPEGEnc * thiz)
167 {
168 thiz->quality = DEFAULT_QUALITY;
169 }
170