1 /* GStreamer Intel MSDK plugin
2 * Copyright (c) 2018, Intel Corporation
3 * All rights reserved.
4 *
5 * Sreerenj Balachandran <sreerenj.balachandran@intel.com>
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright notice,
14 * this list of conditions and the following disclaimer in the documentation
15 * and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the copyright holder nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
23 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
25 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGDECE
30 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
31 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 /* sample pipeline: gst-launch-1.0 filesrc location=video.wmv ! asfdemux ! vc1parse ! msdkvc1dec ! videoconvert ! xvimagesink */
35
36 #ifdef HAVE_CONFIG_H
37 # include <config.h>
38 #endif
39
40 #include "gstmsdkvc1dec.h"
41
42 GST_DEBUG_CATEGORY_EXTERN (gst_msdkvc1dec_debug);
43 #define GST_CAT_DEFAULT gst_msdkvc1dec_debug
44
45 static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
46 GST_PAD_SINK,
47 GST_PAD_ALWAYS,
48 GST_STATIC_CAPS ("video/x-wmv, "
49 "framerate = (fraction) [0/1, MAX], "
50 "width = (int) [ 1, MAX ], height = (int) [ 1, MAX ], "
51 "wmvversion= (int) 3, "
52 "format= (string) WMV3, "
53 "header-format= (string) none, "
54 "stream-format= (string) sequence-layer-frame-layer, "
55 "profile = (string) {simple, main}" ";"
56 "video/x-wmv, "
57 "framerate = (fraction) [0/1, MAX], "
58 "width = (int) [ 1, MAX ], height = (int) [ 1, MAX ], "
59 "wmvversion= (int) 3, "
60 "format= (string) WVC1, "
61 "header-format= (string) asf, "
62 "stream-format= (string) bdu, " "profile = (string) advanced" ";")
63 );
64
65 #define gst_msdkvc1dec_parent_class parent_class
66 G_DEFINE_TYPE (GstMsdkVC1Dec, gst_msdkvc1dec, GST_TYPE_MSDKDEC);
67
68 static gboolean
gst_msdkvc1dec_configure(GstMsdkDec * decoder)69 gst_msdkvc1dec_configure (GstMsdkDec * decoder)
70 {
71 GstMsdkVC1Dec *vc1dec = GST_MSDKVC1DEC (decoder);
72 GstBuffer *buffer;
73 GstCaps *caps;
74 GstStructure *structure;
75 const gchar *profile_str;
76
77 caps = decoder->input_state->caps;
78 if (!caps)
79 return FALSE;
80
81 structure = gst_caps_get_structure (caps, 0);
82 if (!structure)
83 return FALSE;
84
85 decoder->param.mfx.CodecId = MFX_CODEC_VC1;
86
87 profile_str = gst_structure_get_string (structure, "profile");
88
89 if (!strcmp (profile_str, "simple"))
90 decoder->param.mfx.CodecProfile = MFX_PROFILE_VC1_SIMPLE;
91 else if (!strcmp (profile_str, "main"))
92 decoder->param.mfx.CodecProfile = MFX_PROFILE_VC1_MAIN;
93 else {
94 decoder->param.mfx.CodecProfile = MFX_PROFILE_VC1_ADVANCED;
95 /* asf advanced profile codec-data has 1 byte in the begining
96 * which is the ASF binding byte. MediaSDK can't recognize this
97 * byte, so discard it */
98 if (decoder->input_state->codec_data) {
99 buffer = gst_buffer_copy_region (decoder->input_state->codec_data,
100 GST_BUFFER_COPY_DEEP | GST_BUFFER_COPY_MEMORY, 1,
101 gst_buffer_get_size (decoder->input_state->codec_data) - 1);
102 gst_adapter_push (decoder->adapter, buffer);
103 }
104
105 decoder->is_packetized = FALSE;
106 }
107
108 /* This is a deprecated attribute in msdk-2017 version, but some
109 * customers still using this for low-latency streaming of non-b-frame
110 * encoded streams */
111 decoder->param.mfx.DecodedOrder = vc1dec->output_order;
112 return TRUE;
113
114 return TRUE;
115 }
116
117 static void
gst_msdkdec_vc1_set_property(GObject * object,guint prop_id,const GValue * value,GParamSpec * pspec)118 gst_msdkdec_vc1_set_property (GObject * object, guint prop_id,
119 const GValue * value, GParamSpec * pspec)
120 {
121 GstMsdkVC1Dec *thiz = GST_MSDKVC1DEC (object);
122 GstState state;
123
124 GST_OBJECT_LOCK (thiz);
125 state = GST_STATE (thiz);
126
127 if (!gst_msdkdec_prop_check_state (state, pspec)) {
128 GST_WARNING_OBJECT (thiz, "setting property in wrong state");
129 GST_OBJECT_UNLOCK (thiz);
130 return;
131 }
132 switch (prop_id) {
133 case GST_MSDKDEC_PROP_OUTPUT_ORDER:
134 thiz->output_order = g_value_get_enum (value);
135 break;
136 default:
137 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
138 break;
139 }
140 GST_OBJECT_UNLOCK (thiz);
141 return;
142 }
143
144 static void
gst_msdkdec_vc1_get_property(GObject * object,guint prop_id,GValue * value,GParamSpec * pspec)145 gst_msdkdec_vc1_get_property (GObject * object, guint prop_id, GValue * value,
146 GParamSpec * pspec)
147 {
148 GstMsdkVC1Dec *thiz = GST_MSDKVC1DEC (object);
149
150 GST_OBJECT_LOCK (thiz);
151 switch (prop_id) {
152 case GST_MSDKDEC_PROP_OUTPUT_ORDER:
153 g_value_set_enum (value, thiz->output_order);
154 break;
155 default:
156 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
157 break;
158 }
159 GST_OBJECT_UNLOCK (thiz);
160 }
161
162 static gboolean
gst_msdkvc1dec_preinit_decoder(GstMsdkDec * decoder)163 gst_msdkvc1dec_preinit_decoder (GstMsdkDec * decoder)
164 {
165 decoder->param.mfx.FrameInfo.Width =
166 GST_ROUND_UP_16 (decoder->param.mfx.FrameInfo.Width);
167 decoder->param.mfx.FrameInfo.Height =
168 GST_ROUND_UP_32 (decoder->param.mfx.FrameInfo.Height);
169
170 return TRUE;
171 }
172
173 static void
gst_msdkvc1dec_class_init(GstMsdkVC1DecClass * klass)174 gst_msdkvc1dec_class_init (GstMsdkVC1DecClass * klass)
175 {
176 GObjectClass *gobject_class;
177 GstElementClass *element_class;
178 GstMsdkDecClass *decoder_class;
179
180 gobject_class = G_OBJECT_CLASS (klass);
181 element_class = GST_ELEMENT_CLASS (klass);
182 decoder_class = GST_MSDKDEC_CLASS (klass);
183
184 gobject_class->set_property = gst_msdkdec_vc1_set_property;
185 gobject_class->get_property = gst_msdkdec_vc1_get_property;
186
187 decoder_class->configure = GST_DEBUG_FUNCPTR (gst_msdkvc1dec_configure);
188 decoder_class->preinit_decoder =
189 GST_DEBUG_FUNCPTR (gst_msdkvc1dec_preinit_decoder);
190
191 gst_element_class_set_static_metadata (element_class,
192 "Intel MSDK VC1 decoder",
193 "Codec/Decoder/Video/Hardware",
194 "VC1/WMV video decoder based on Intel Media SDK",
195 "Sreerenj Balachandran <sreerenj.balachandran@intel.com>");
196
197 gst_msdkdec_prop_install_output_oder_property (gobject_class);
198
199 gst_element_class_add_static_pad_template (element_class, &sink_factory);
200 }
201
202 static void
gst_msdkvc1dec_init(GstMsdkVC1Dec * thiz)203 gst_msdkvc1dec_init (GstMsdkVC1Dec * thiz)
204 {
205 thiz->output_order = PROP_OUTPUT_ORDER_DEFAULT;
206 }
207