1 /* GStreamer Intel MSDK plugin
2 * Copyright (c) 2016, Intel Corporation
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
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.
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.
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.
33 * SECTION: element-msdkh264dec
35 * @short_description: Intel MSDK H264 decoder
37 * H264 video decoder based on Intel MFX
39 * ## Example launch line
41 * gst-launch-1.0 filesrc location=sample.h264 ! h264parse ! msdkh264dec ! glimagesink
52 #include "gstmsdkh264dec.h"
54 GST_DEBUG_CATEGORY_EXTERN (gst_msdkh264dec_debug);
55 #define GST_CAT_DEFAULT gst_msdkh264dec_debug
57 #define COMMON_FORMAT "{ NV12, BGRA, BGRx }"
59 static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
62 GST_STATIC_CAPS ("video/x-h264, "
63 "width = (int) [ 1, MAX ], height = (int) [ 1, MAX ], "
64 "stream-format = (string) byte-stream , alignment = (string) au , "
65 "profile = (string) { high, progressive-high, constrained-high, main, baseline, constrained-baseline }")
68 static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
71 GST_STATIC_CAPS (GST_MSDK_CAPS_STR (COMMON_FORMAT, COMMON_FORMAT))
74 #define gst_msdkh264dec_parent_class parent_class
75 G_DEFINE_TYPE (GstMsdkH264Dec, gst_msdkh264dec, GST_TYPE_MSDKDEC);
78 gst_msdkh264dec_configure (GstMsdkDec * decoder)
80 GstMsdkH264Dec *h264dec = GST_MSDKH264DEC (decoder);
82 decoder->param.mfx.CodecId = MFX_CODEC_AVC;
84 /* This is a deprecated attribute in msdk-2017 version, but some
85 * customers still using this for low-latency streaming of non-b-frame
87 decoder->param.mfx.DecodedOrder = h264dec->output_order;
89 #if (MFX_VERSION >= 1025)
90 if (decoder->report_error) {
91 decoder->error_report.Header.BufferId = MFX_EXTBUFF_DECODE_ERROR_REPORT;
92 decoder->error_report.Header.BufferSz = sizeof (decoder->error_report);
93 decoder->error_report.ErrorTypes = 0;
94 gst_msdkdec_add_bs_extra_param (decoder,
95 (mfxExtBuffer *) & decoder->error_report);
103 gst_msdkdec_h264_set_property (GObject * object, guint prop_id,
104 const GValue * value, GParamSpec * pspec)
106 GstMsdkH264Dec *thiz = GST_MSDKH264DEC (object);
107 #if (MFX_VERSION >= 1025)
108 GstMsdkDec *dec = GST_MSDKDEC (object);
112 GST_OBJECT_LOCK (thiz);
113 state = GST_STATE (thiz);
115 if (!gst_msdkdec_prop_check_state (state, pspec)) {
116 GST_WARNING_OBJECT (thiz, "setting property in wrong state");
117 GST_OBJECT_UNLOCK (thiz);
121 case GST_MSDKDEC_PROP_OUTPUT_ORDER:
122 thiz->output_order = g_value_get_enum (value);
124 #if (MFX_VERSION >= 1025)
125 case GST_MSDKDEC_PROP_ERROR_REPORT:
126 dec->report_error = g_value_get_boolean (value);
130 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
133 GST_OBJECT_UNLOCK (thiz);
138 gst_msdkdec_h264_get_property (GObject * object, guint prop_id, GValue * value,
141 GstMsdkH264Dec *thiz = GST_MSDKH264DEC (object);
142 #if (MFX_VERSION >= 1025)
143 GstMsdkDec *dec = GST_MSDKDEC (object);
146 GST_OBJECT_LOCK (thiz);
148 case GST_MSDKDEC_PROP_OUTPUT_ORDER:
149 g_value_set_enum (value, thiz->output_order);
151 #if (MFX_VERSION >= 1025)
152 case GST_MSDKDEC_PROP_ERROR_REPORT:
153 g_value_set_boolean (value, dec->report_error);
157 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
160 GST_OBJECT_UNLOCK (thiz);
164 gst_msdkh264dec_class_init (GstMsdkH264DecClass * klass)
166 GObjectClass *gobject_class;
167 GstElementClass *element_class;
168 GstMsdkDecClass *decoder_class;
170 gobject_class = G_OBJECT_CLASS (klass);
171 element_class = GST_ELEMENT_CLASS (klass);
172 decoder_class = GST_MSDKDEC_CLASS (klass);
174 gobject_class->set_property = gst_msdkdec_h264_set_property;
175 gobject_class->get_property = gst_msdkdec_h264_get_property;
177 decoder_class->configure = GST_DEBUG_FUNCPTR (gst_msdkh264dec_configure);
179 gst_element_class_set_static_metadata (element_class,
180 "Intel MSDK H264 decoder",
181 "Codec/Decoder/Video/Hardware",
182 "H264 video decoder based on " MFX_API_SDK,
183 "Scott D Phillips <scott.d.phillips@intel.com>");
185 gst_msdkdec_prop_install_output_oder_property (gobject_class);
187 #if (MFX_VERSION >= 1025)
188 gst_msdkdec_prop_install_error_report_property (gobject_class);
191 gst_element_class_add_static_pad_template (element_class, &sink_factory);
192 gst_element_class_add_static_pad_template (element_class, &src_factory);
196 gst_msdkh264dec_init (GstMsdkH264Dec * thiz)
198 thiz->output_order = PROP_OUTPUT_ORDER_DEFAULT;