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 /**
33 * SECTION: element-msdkmjpegenc
34 * @title: msdkmjpegenc
35 * @short_description: Intel MSDK MJPEG encoder
36 *
37 * MJPEG video encoder based on Intel MFX
38 *
39 * ## Example launch line
40 * ```
41 * gst-launch-1.0 videotestsrc num-buffers=1 ! msdkmjpegenc ! jpegparse ! filesink location=output.jpg
42 * ```
43 *
44 * Since: 1.12
45 *
46 */
47
48 #ifdef HAVE_CONFIG_H
49 # include <config.h>
50 #endif
51
52 #ifdef HAVE_MFX_MFXDEFS_H
53 # include <mfx/mfxstructures.h>
54 # include <mfx/mfxjpeg.h>
55 #else
56 # include "mfxstructures.h"
57 # include "mfxjpeg.h"
58 #endif
59
60 #include "gstmsdkmjpegenc.h"
61
62 GST_DEBUG_CATEGORY_EXTERN (gst_msdkmjpegenc_debug);
63 #define GST_CAT_DEFAULT gst_msdkmjpegenc_debug
64
65 enum
66 {
67 PROP_0,
68 PROP_QUALITY
69 };
70
71 #define DEFAULT_QUALITY 85
72
73 static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
74 GST_PAD_SRC,
75 GST_PAD_ALWAYS,
76 GST_STATIC_CAPS ("image/jpeg, "
77 "framerate = (fraction) [0/1, MAX], "
78 "width = (int) [ 1, MAX ], height = (int) [ 1, MAX ]")
79 );
80
81 #define gst_msdkmjpegenc_parent_class parent_class
82 G_DEFINE_TYPE (GstMsdkMJPEGEnc, gst_msdkmjpegenc, GST_TYPE_MSDKENC);
83
84 static gboolean
gst_msdkmjpegenc_set_format(GstMsdkEnc * encoder)85 gst_msdkmjpegenc_set_format (GstMsdkEnc * encoder)
86 {
87 return TRUE;
88 }
89
90 static gboolean
gst_msdkmjpegenc_configure(GstMsdkEnc * encoder)91 gst_msdkmjpegenc_configure (GstMsdkEnc * encoder)
92 {
93 GstMsdkMJPEGEnc *mjpegenc = GST_MSDKMJPEGENC (encoder);
94
95 encoder->param.mfx.CodecId = MFX_CODEC_JPEG;
96 encoder->param.mfx.Quality = mjpegenc->quality;
97 encoder->param.mfx.Interleaved = 1;
98 encoder->param.mfx.RestartInterval = 0;
99 encoder->param.mfx.BufferSizeInKB = 3072;
100
101 return TRUE;
102 }
103
104 static GstCaps *
gst_msdkmjpegenc_set_src_caps(GstMsdkEnc * encoder)105 gst_msdkmjpegenc_set_src_caps (GstMsdkEnc * encoder)
106 {
107 GstCaps *caps;
108
109 caps = gst_caps_from_string ("image/jpeg");
110
111 return caps;
112 }
113
114 static void
gst_msdkmjpegenc_get_property(GObject * object,guint prop_id,GValue * value,GParamSpec * pspec)115 gst_msdkmjpegenc_get_property (GObject * object, guint prop_id, GValue * value,
116 GParamSpec * pspec)
117 {
118 GstMsdkMJPEGEnc *thiz = GST_MSDKMJPEGENC (object);
119
120 GST_OBJECT_LOCK (thiz);
121 switch (prop_id) {
122 case PROP_QUALITY:
123 g_value_set_uint (value, thiz->quality);
124 break;
125 default:
126 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
127 break;
128 }
129 GST_OBJECT_UNLOCK (thiz);
130 }
131
132 static void
gst_msdkmjpegenc_set_property(GObject * object,guint prop_id,const GValue * value,GParamSpec * pspec)133 gst_msdkmjpegenc_set_property (GObject * object, guint prop_id,
134 const GValue * value, GParamSpec * pspec)
135 {
136 GstMsdkMJPEGEnc *thiz = GST_MSDKMJPEGENC (object);
137
138 GST_OBJECT_LOCK (thiz);
139 switch (prop_id) {
140 case PROP_QUALITY:
141 thiz->quality = g_value_get_uint (value);
142 break;
143 default:
144 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
145 break;
146 }
147 GST_OBJECT_UNLOCK (thiz);
148 }
149
150 static gboolean
gst_msdkmjpegenc_need_conversion(GstMsdkEnc * encoder,GstVideoInfo * info,GstVideoFormat * out_format)151 gst_msdkmjpegenc_need_conversion (GstMsdkEnc * encoder, GstVideoInfo * info,
152 GstVideoFormat * out_format)
153 {
154 switch (GST_VIDEO_INFO_FORMAT (info)) {
155 case GST_VIDEO_FORMAT_NV12:
156 case GST_VIDEO_FORMAT_YUY2:
157 case GST_VIDEO_FORMAT_BGRA:
158 return FALSE;
159
160 case GST_VIDEO_FORMAT_UYVY:
161 *out_format = GST_VIDEO_FORMAT_YUY2;
162 return TRUE;
163
164 default:
165 *out_format = GST_VIDEO_FORMAT_NV12;
166 return TRUE;
167 }
168 }
169
170 static void
gst_msdkmjpegenc_class_init(GstMsdkMJPEGEncClass * klass)171 gst_msdkmjpegenc_class_init (GstMsdkMJPEGEncClass * klass)
172 {
173 GObjectClass *gobject_class;
174 GstElementClass *element_class;
175 GstMsdkEncClass *encoder_class;
176
177 gobject_class = G_OBJECT_CLASS (klass);
178 element_class = GST_ELEMENT_CLASS (klass);
179 encoder_class = GST_MSDKENC_CLASS (klass);
180
181 encoder_class->set_format = gst_msdkmjpegenc_set_format;
182 encoder_class->configure = gst_msdkmjpegenc_configure;
183 encoder_class->set_src_caps = gst_msdkmjpegenc_set_src_caps;
184 encoder_class->need_conversion = gst_msdkmjpegenc_need_conversion;
185
186 gobject_class->get_property = gst_msdkmjpegenc_get_property;
187 gobject_class->set_property = gst_msdkmjpegenc_set_property;
188
189 g_object_class_install_property (gobject_class, PROP_QUALITY,
190 g_param_spec_uint ("quality", "Quality", "Quality of encoding",
191 0, 100, DEFAULT_QUALITY, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
192
193 gst_element_class_set_static_metadata (element_class,
194 "Intel MSDK MJPEG encoder",
195 "Codec/Encoder/Video/Hardware",
196 "MJPEG video encoder based on " MFX_API_SDK,
197 "Scott D Phillips <scott.d.phillips@intel.com>");
198
199 gst_element_class_add_static_pad_template (element_class, &src_factory);
200 }
201
202 static void
gst_msdkmjpegenc_init(GstMsdkMJPEGEnc * thiz)203 gst_msdkmjpegenc_init (GstMsdkMJPEGEnc * thiz)
204 {
205 thiz->quality = DEFAULT_QUALITY;
206 }
207