1 /* GStreamer Intel MSDK plugin
2 * Copyright (c) 2020, 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 NEGLIGDECE
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-msdkav1dec
34 * @title: msdkav1dec
35 * @short_description: Intel MSDK AV1 decoder
36 *
37 * AV1 video decoder based on Intel MFX
38 *
39 * ## Example launch line
40 * ```
41 * gst-launch-1.0 filesrc location=sample.ivf ! ivfparse ! msdkav1dec ! glimagesink
42 * ```
43 *
44 * Since: 1.20
45 *
46 */
47
48 #ifdef HAVE_CONFIG_H
49 # include <config.h>
50 #endif
51
52 #include "gstmsdkav1dec.h"
53 #include "gstmsdkvideomemory.h"
54
55 GST_DEBUG_CATEGORY_EXTERN (gst_msdkav1dec_debug);
56 #define GST_CAT_DEFAULT gst_msdkav1dec_debug
57
58 #define COMMON_FORMAT "{ NV12, P010_10LE, VUYA, Y410 }"
59
60 static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
61 GST_PAD_SINK,
62 GST_PAD_ALWAYS,
63 GST_STATIC_CAPS ("video/x-av1")
64 );
65
66 static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
67 GST_PAD_SRC,
68 GST_PAD_ALWAYS,
69 GST_STATIC_CAPS (GST_MSDK_CAPS_STR (COMMON_FORMAT, COMMON_FORMAT))
70 );
71
72 #define gst_msdkav1dec_parent_class parent_class
73 G_DEFINE_TYPE (GstMsdkAV1Dec, gst_msdkav1dec, GST_TYPE_MSDKDEC);
74
75 static gboolean
gst_msdkav1dec_configure(GstMsdkDec * decoder)76 gst_msdkav1dec_configure (GstMsdkDec * decoder)
77 {
78 decoder->param.mfx.CodecId = MFX_CODEC_AV1;
79 /* Replaced with width and height rounded up to 16 */
80 decoder->param.mfx.FrameInfo.Width =
81 GST_ROUND_UP_16 (decoder->param.mfx.FrameInfo.CropW);
82 decoder->param.mfx.FrameInfo.Height =
83 GST_ROUND_UP_16 (decoder->param.mfx.FrameInfo.CropH);
84
85 decoder->force_reset_on_res_change = FALSE;
86
87 return TRUE;
88 }
89
90 static gboolean
gst_msdkav1dec_preinit_decoder(GstMsdkDec * decoder)91 gst_msdkav1dec_preinit_decoder (GstMsdkDec * decoder)
92 {
93 decoder->param.mfx.FrameInfo.Width =
94 GST_ROUND_UP_16 (decoder->param.mfx.FrameInfo.Width);
95 decoder->param.mfx.FrameInfo.Height =
96 GST_ROUND_UP_16 (decoder->param.mfx.FrameInfo.Height);
97
98 decoder->param.mfx.FrameInfo.PicStruct =
99 decoder->param.mfx.FrameInfo.PicStruct ? decoder->param.mfx.
100 FrameInfo.PicStruct : MFX_PICSTRUCT_PROGRESSIVE;
101
102 return TRUE;
103 }
104
105 static void
gst_msdkav1dec_class_init(GstMsdkAV1DecClass * klass)106 gst_msdkav1dec_class_init (GstMsdkAV1DecClass * klass)
107 {
108 GstElementClass *element_class;
109 GstMsdkDecClass *decoder_class;
110
111 element_class = GST_ELEMENT_CLASS (klass);
112 decoder_class = GST_MSDKDEC_CLASS (klass);
113
114 decoder_class->configure = GST_DEBUG_FUNCPTR (gst_msdkav1dec_configure);
115 decoder_class->preinit_decoder =
116 GST_DEBUG_FUNCPTR (gst_msdkav1dec_preinit_decoder);
117
118 gst_element_class_set_static_metadata (element_class,
119 "Intel MSDK AV1 decoder",
120 "Codec/Decoder/Video/Hardware",
121 "AV1 video decoder based on " MFX_API_SDK,
122 "Haihao Xiang <haihao.xiang@intel.com>");
123
124 gst_element_class_add_static_pad_template (element_class, &sink_factory);
125 gst_element_class_add_static_pad_template (element_class, &src_factory);
126 }
127
128 static void
gst_msdkav1dec_init(GstMsdkAV1Dec * thiz)129 gst_msdkav1dec_init (GstMsdkAV1Dec * thiz)
130 {
131 }
132