2018-01-10 19:40:24 +00:00
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/* GStreamer Intel MSDK plugin
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* Copyright (c) 2018, Intel Corporation
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*
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* Author: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGDECE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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doc: add the msdk elements
Supported elements:
msdkav1dec, msdkh264dec, msdkh264enc, msdkh265dec, msdkh265enc,
msdkmjpegdec, msdkmjpegenc, msdkmpeg2dec, msdkmpeg2enc, msdkvc1dec,
msdkvp8dec, msdkvp9dec, msdkvp9enc, msdkvpp.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2296>
2021-06-03 02:03:19 +00:00
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/**
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* SECTION: element-msdkmpeg2dec
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* @title: msdkmpeg2dec
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* @short_description: Intel MSDK MPEG2 decoder
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*
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2021-08-24 09:59:59 +00:00
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* MPEG2 video decoder based on Intel MFX
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doc: add the msdk elements
Supported elements:
msdkav1dec, msdkh264dec, msdkh264enc, msdkh265dec, msdkh265enc,
msdkmjpegdec, msdkmjpegenc, msdkmpeg2dec, msdkmpeg2enc, msdkvc1dec,
msdkvp8dec, msdkvp9dec, msdkvp9enc, msdkvpp.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2296>
2021-06-03 02:03:19 +00:00
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*
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* ## Example launch line
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* ```
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* gst-launch-1.0 filesrc location=sample.mpeg2 ! mpegvideoparse ! msdkmpeg2dec ! glimagesink
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* ```
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*
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* Since: 1.14
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*
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*/
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2018-01-10 19:40:24 +00:00
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "gstmsdkmpeg2dec.h"
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GST_DEBUG_CATEGORY_EXTERN (gst_msdkmpeg2dec_debug);
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#define GST_CAT_DEFAULT gst_msdkmpeg2dec_debug
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2023-03-10 11:03:47 +00:00
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#define GST_MSDKMPEG2DEC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_FROM_INSTANCE (obj), GstMsdkMPEG2Dec))
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#define GST_MSDKMPEG2DEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_FROM_CLASS (klass), GstMsdkMPEG2DecClass))
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#define GST_IS_MSDKMPEG2DEC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_FROM_INSTANCE (obj)))
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#define GST_IS_MSDKMPEG2DEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_FROM_CLASS (klass)))
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/* *INDENT-OFF* */
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static const gchar *doc_src_caps_str =
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GST_VIDEO_CAPS_MAKE ("{ NV12 }") " ;"
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GST_VIDEO_CAPS_MAKE_WITH_FEATURES ("memory:DMABuf", "{ NV12 }") " ;"
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GST_VIDEO_CAPS_MAKE_WITH_FEATURES ("memory:VAMemory", "{ NV12 }") " ;"
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GST_VIDEO_CAPS_MAKE_WITH_FEATURES ("memory:D3D11Memory", "{ NV12 }");
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/* *INDENT-ON* */
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static const gchar *doc_sink_caps_str = "video/mpeg";
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static GstElementClass *parent_class = NULL;
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2018-01-10 19:40:24 +00:00
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static gboolean
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gst_msdkmpeg2dec_configure (GstMsdkDec * decoder)
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{
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2018-11-20 06:36:30 +00:00
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GstMsdkMPEG2Dec *mpeg2dec = GST_MSDKMPEG2DEC (decoder);
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2018-01-10 19:40:24 +00:00
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decoder->param.mfx.CodecId = MFX_CODEC_MPEG2;
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2018-11-20 06:36:30 +00:00
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/* This is a deprecated attribute in msdk-2017 version, but some
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* customers still using this for low-latency streaming of non-b-frame
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* encoded streams */
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decoder->param.mfx.DecodedOrder = mpeg2dec->output_order;
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2018-01-10 19:40:24 +00:00
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return TRUE;
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}
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2018-11-20 06:36:30 +00:00
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static void
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gst_msdkdec_mpeg2_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstMsdkMPEG2Dec *thiz = GST_MSDKMPEG2DEC (object);
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GstState state;
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GST_OBJECT_LOCK (thiz);
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state = GST_STATE (thiz);
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if (!gst_msdkdec_prop_check_state (state, pspec)) {
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GST_WARNING_OBJECT (thiz, "setting property in wrong state");
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GST_OBJECT_UNLOCK (thiz);
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return;
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}
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switch (prop_id) {
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case GST_MSDKDEC_PROP_OUTPUT_ORDER:
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thiz->output_order = g_value_get_enum (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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GST_OBJECT_UNLOCK (thiz);
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return;
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}
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static void
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gst_msdkdec_mpeg2_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstMsdkMPEG2Dec *thiz = GST_MSDKMPEG2DEC (object);
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GST_OBJECT_LOCK (thiz);
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switch (prop_id) {
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case GST_MSDKDEC_PROP_OUTPUT_ORDER:
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g_value_set_enum (value, thiz->output_order);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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GST_OBJECT_UNLOCK (thiz);
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}
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2018-01-10 19:40:24 +00:00
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static void
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2023-03-10 11:03:47 +00:00
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gst_msdkmpeg2dec_class_init (gpointer klass, gpointer data)
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2018-01-10 19:40:24 +00:00
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{
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2018-11-20 06:36:30 +00:00
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GObjectClass *gobject_class;
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2018-01-10 19:40:24 +00:00
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GstElementClass *element_class;
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GstMsdkDecClass *decoder_class;
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2023-03-10 11:03:47 +00:00
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MsdkDecCData *cdata = data;
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parent_class = g_type_class_peek_parent (klass);
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2018-01-10 19:40:24 +00:00
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2018-11-20 06:36:30 +00:00
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gobject_class = G_OBJECT_CLASS (klass);
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2018-01-10 19:40:24 +00:00
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element_class = GST_ELEMENT_CLASS (klass);
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decoder_class = GST_MSDKDEC_CLASS (klass);
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2018-11-20 06:36:30 +00:00
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gobject_class->set_property = gst_msdkdec_mpeg2_set_property;
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gobject_class->get_property = gst_msdkdec_mpeg2_get_property;
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2018-01-10 19:40:24 +00:00
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decoder_class->configure = GST_DEBUG_FUNCPTR (gst_msdkmpeg2dec_configure);
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gst_element_class_set_static_metadata (element_class,
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"Intel MSDK MPEG2 decoder",
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2019-02-14 09:47:29 +00:00
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"Codec/Decoder/Video/Hardware",
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2021-08-24 09:59:59 +00:00
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"MPEG2 video decoder based on " MFX_API_SDK,
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2018-01-10 19:40:24 +00:00
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"Sreerenj Balachandran <sreerenj.balachandran@intel.com>");
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2018-11-20 06:36:30 +00:00
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gst_msdkdec_prop_install_output_oder_property (gobject_class);
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2023-03-10 11:03:47 +00:00
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gst_msdkcaps_pad_template_init (element_class,
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cdata->sink_caps, cdata->src_caps, doc_sink_caps_str, doc_src_caps_str);
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gst_caps_unref (cdata->sink_caps);
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gst_caps_unref (cdata->src_caps);
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g_free (cdata);
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2018-01-10 19:40:24 +00:00
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}
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static void
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2023-03-10 11:03:47 +00:00
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gst_msdkmpeg2dec_init (GTypeInstance * instance, gpointer g_class)
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2018-01-10 19:40:24 +00:00
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{
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2023-03-10 11:03:47 +00:00
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GstMsdkMPEG2Dec *thiz = GST_MSDKMPEG2DEC (instance);
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2018-11-20 06:36:30 +00:00
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thiz->output_order = PROP_OUTPUT_ORDER_DEFAULT;
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2018-01-10 19:40:24 +00:00
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}
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2023-03-10 11:03:47 +00:00
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gboolean
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gst_msdkmpeg2dec_register (GstPlugin * plugin,
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GstMsdkContext * context, GstCaps * sink_caps,
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GstCaps * src_caps, guint rank)
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{
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GType type;
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MsdkDecCData *cdata;
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gchar *type_name, *feature_name;
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gboolean ret = FALSE;
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GTypeInfo type_info = {
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.class_size = sizeof (GstMsdkMPEG2DecClass),
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.class_init = gst_msdkmpeg2dec_class_init,
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.instance_size = sizeof (GstMsdkMPEG2Dec),
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.instance_init = gst_msdkmpeg2dec_init
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};
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cdata = g_new (MsdkDecCData, 1);
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cdata->sink_caps = gst_caps_copy (sink_caps);
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cdata->src_caps = gst_caps_ref (src_caps);
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gst_caps_set_simple (cdata->sink_caps,
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"mpegversion", G_TYPE_INT, 2,
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"systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
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GST_MINI_OBJECT_FLAG_SET (cdata->sink_caps,
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GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
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GST_MINI_OBJECT_FLAG_SET (cdata->src_caps,
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GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
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type_info.class_data = cdata;
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type_name = g_strdup ("GstMsdkMPEG2Dec");
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feature_name = g_strdup ("msdkmpeg2dec");
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type = g_type_register_static (GST_TYPE_MSDKDEC, type_name, &type_info, 0);
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if (type)
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ret = gst_element_register (plugin, feature_name, rank, type);
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g_free (type_name);
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g_free (feature_name);
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return ret;
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}
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