mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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304 lines
9.4 KiB
C++
304 lines
9.4 KiB
C++
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/* GStreamer
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* Copyright (C) 2022 Seungha Yang <seungha@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* SECTION:element-qsvjpegdec
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* @title: qsvjpegdec
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*
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* Intel Quick Sync JPEG decoder
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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=/path/to/jpeg/file ! parsebin ! qsvjpegdec ! videoconvert ! autovideosink
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* ```
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*
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* Since: 1.22
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*/
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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 "gstqsvjpegdec.h"
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#include <string>
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#include <string.h>
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#include <vector>
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#ifdef G_OS_WIN32
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#include <gst/d3d11/gstd3d11.h>
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#else
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#include <gst/va/gstva.h>
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#endif
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GST_DEBUG_CATEGORY_STATIC (gst_qsv_jpeg_dec_debug);
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#define GST_CAT_DEFAULT gst_qsv_jpeg_dec_debug
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#define DOC_SINK_CAPS \
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"image/jpeg, width = (int) [ 1, 16384 ], height = (int) [ 1, 16384 ]"
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#define DOC_SRC_CAPS_COMM \
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"format = (string) { NV12, YUY2, BGRA }, " \
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"width = (int) [ 1, 16384 ], height = (int) [ 1, 16384 ]"
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#define DOC_SRC_CAPS \
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"video/x-raw(memory:D3D11Memory), " DOC_SRC_CAPS_COMM "; " \
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"video/x-raw, " DOC_SRC_CAPS_COMM
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typedef struct _GstQsvJpegDec
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{
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GstQsvDecoder parent;
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} GstQsvJpegDec;
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typedef struct _GstQsvJpegDecClass
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{
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GstQsvDecoderClass parent_class;
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} GstQsvJpegDecClass;
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static GTypeClass *parent_class = nullptr;
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#define GST_QSV_JPEG_DEC(object) ((GstQsvJpegDec *) (object))
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#define GST_QSV_JPEG_DEC_GET_CLASS(object) \
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(G_TYPE_INSTANCE_GET_CLASS ((object),G_TYPE_FROM_INSTANCE (object),GstQsvJpegDecClass))
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static void
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gst_qsv_jpeg_dec_class_init (GstQsvJpegDecClass * klass, gpointer data)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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GstQsvDecoderClass *qsvdec_class = GST_QSV_DECODER_CLASS (klass);
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GstQsvDecoderClassData *cdata = (GstQsvDecoderClassData *) data;
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GstPadTemplate *pad_templ;
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GstCaps *doc_caps;
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parent_class = (GTypeClass *) g_type_class_peek_parent (klass);
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#ifdef G_OS_WIN32
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std::string long_name = "Intel Quick Sync Video " +
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std::string (cdata->description) + " JPEG Decoder";
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gst_element_class_set_metadata (element_class, long_name.c_str (),
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"Codec/Decoder/Video/Hardware",
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"Intel Quick Sync Video JPEG Decoder",
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"Seungha Yang <seungha@centricular.com>");
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#else
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gst_element_class_set_static_metadata (element_class,
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"Intel Quick Sync Video JPEG Decoder",
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"Codec/Decoder/Video/Hardware",
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"Intel Quick Sync Video JPEG Decoder",
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"Seungha Yang <seungha@centricular.com>");
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#endif
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pad_templ = gst_pad_template_new ("sink",
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GST_PAD_SINK, GST_PAD_ALWAYS, cdata->sink_caps);
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doc_caps = gst_caps_from_string (DOC_SINK_CAPS);
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gst_pad_template_set_documentation_caps (pad_templ, doc_caps);
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gst_caps_unref (doc_caps);
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gst_element_class_add_pad_template (element_class, pad_templ);
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pad_templ = gst_pad_template_new ("src",
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GST_PAD_SRC, GST_PAD_ALWAYS, cdata->src_caps);
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doc_caps = gst_caps_from_string (DOC_SRC_CAPS);
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gst_pad_template_set_documentation_caps (pad_templ, doc_caps);
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gst_caps_unref (doc_caps);
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gst_element_class_add_pad_template (element_class, pad_templ);
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qsvdec_class->codec_id = MFX_CODEC_JPEG;
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qsvdec_class->impl_index = cdata->impl_index;
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qsvdec_class->adapter_luid = cdata->adapter_luid;
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qsvdec_class->display_path = cdata->display_path;
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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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}
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static void
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gst_qsv_jpeg_dec_init (GstQsvJpegDec * self)
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{
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}
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void
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gst_qsv_jpeg_dec_register (GstPlugin * plugin, guint rank, guint impl_index,
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GstObject * device, mfxSession session)
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{
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mfxVideoParam param;
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mfxInfoMFX *mfx;
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GstQsvResolution max_resolution;
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std::vector < std::string > supported_formats;
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GST_DEBUG_CATEGORY_INIT (gst_qsv_jpeg_dec_debug, "qsvjpegdec", 0,
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"qsvjpegdec");
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memset (¶m, 0, sizeof (mfxVideoParam));
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memset (&max_resolution, 0, sizeof (GstQsvResolution));
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param.AsyncDepth = 4;
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param.IOPattern = MFX_IOPATTERN_OUT_VIDEO_MEMORY;
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mfx = ¶m.mfx;
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mfx->CodecId = MFX_CODEC_JPEG;
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mfx->FrameInfo.FrameRateExtN = 30;
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mfx->FrameInfo.FrameRateExtD = 1;
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mfx->FrameInfo.AspectRatioW = 1;
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mfx->FrameInfo.AspectRatioH = 1;
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mfx->FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
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mfx->FrameInfo.FourCC = MFX_FOURCC_NV12;
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mfx->FrameInfo.BitDepthLuma = 8;
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mfx->FrameInfo.BitDepthChroma = 8;
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mfx->FrameInfo.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
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mfx->CodecProfile = MFX_PROFILE_JPEG_BASELINE;
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mfx->JPEGChromaFormat = MFX_CHROMAFORMAT_YUV420;
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mfx->JPEGColorFormat = MFX_JPEG_COLORFORMAT_YCbCr;
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/* Check max-resolution */
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for (guint i = 0; i < G_N_ELEMENTS (gst_qsv_resolutions); i++) {
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mfx->FrameInfo.Width = GST_ROUND_UP_16 (gst_qsv_resolutions[i].width);
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mfx->FrameInfo.Height = GST_ROUND_UP_16 (gst_qsv_resolutions[i].height);
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mfx->FrameInfo.CropW = gst_qsv_resolutions[i].width;
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mfx->FrameInfo.CropH = gst_qsv_resolutions[i].height;
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if (MFXVideoDECODE_Query (session, ¶m, ¶m) != MFX_ERR_NONE)
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break;
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max_resolution.width = gst_qsv_resolutions[i].width;
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max_resolution.height = gst_qsv_resolutions[i].height;
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}
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if (max_resolution.width == 0 || max_resolution.height == 0)
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return;
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GST_INFO ("Maximum supported resolution: %dx%d",
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max_resolution.width, max_resolution.height);
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supported_formats.push_back ("NV12");
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mfx->FrameInfo.FourCC = MFX_FOURCC_YUY2;
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mfx->FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV422;
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mfx->JPEGChromaFormat = MFX_CHROMAFORMAT_YUV422;
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if (MFXVideoDECODE_Query (session, ¶m, ¶m) == MFX_ERR_NONE)
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supported_formats.push_back ("YUY2");
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mfx->FrameInfo.FourCC = MFX_FOURCC_RGB4;
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mfx->FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV444;
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mfx->JPEGChromaFormat = MFX_CHROMAFORMAT_YUV444;
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mfx->JPEGColorFormat = MFX_JPEG_COLORFORMAT_RGB;
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if (MFXVideoDECODE_Query (session, ¶m, ¶m) == MFX_ERR_NONE)
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supported_formats.push_back ("BGRA");
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/* To cover both landscape and portrait,
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* select max value (width in this case) */
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guint resolution = MAX (max_resolution.width, max_resolution.height);
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std::string src_caps_str = "video/x-raw";
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src_caps_str += ", width=(int) [ 1, " + std::to_string (resolution) + " ]";
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src_caps_str += ", height=(int) [ 1, " + std::to_string (resolution) + " ]";
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/* *INDENT-OFF* */
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if (supported_formats.size () > 1) {
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src_caps_str += ", format=(string) { ";
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bool first = true;
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for (const auto &iter: supported_formats) {
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if (!first) {
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src_caps_str += ", ";
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}
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src_caps_str += iter;
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first = false;
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}
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src_caps_str += " }";
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} else {
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src_caps_str += ", format=(string) " + supported_formats[0];
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}
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/* *INDENT-ON* */
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GstCaps *src_caps = gst_caps_from_string (src_caps_str.c_str ());
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/* TODO: Add support for VA */
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#ifdef G_OS_WIN32
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GstCaps *d3d11_caps = gst_caps_copy (src_caps);
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GstCapsFeatures *caps_features =
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gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, nullptr);
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gst_caps_set_features_simple (d3d11_caps, caps_features);
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gst_caps_append (d3d11_caps, src_caps);
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src_caps = d3d11_caps;
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#endif
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std::string sink_caps_str = "image/jpeg";
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sink_caps_str += ", width=(int) [ 1, " + std::to_string (resolution) + " ]";
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sink_caps_str += ", height=(int) [ 1, " + std::to_string (resolution) + " ]";
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GstCaps *sink_caps = gst_caps_from_string (sink_caps_str.c_str ());
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GST_MINI_OBJECT_FLAG_SET (sink_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
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GST_MINI_OBJECT_FLAG_SET (src_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
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GstQsvDecoderClassData *cdata = g_new0 (GstQsvDecoderClassData, 1);
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cdata->sink_caps = sink_caps;
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cdata->src_caps = src_caps;
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cdata->impl_index = impl_index;
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#ifdef G_OS_WIN32
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g_object_get (device, "adapter-luid", &cdata->adapter_luid,
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"description", &cdata->description, nullptr);
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#else
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g_object_get (device, "path", &cdata->display_path, nullptr);
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#endif
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GType type;
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gchar *type_name;
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gchar *feature_name;
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GTypeInfo type_info = {
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sizeof (GstQsvJpegDecClass),
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nullptr,
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nullptr,
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(GClassInitFunc) gst_qsv_jpeg_dec_class_init,
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nullptr,
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cdata,
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sizeof (GstQsvJpegDec),
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0,
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(GInstanceInitFunc) gst_qsv_jpeg_dec_init,
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};
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type_name = g_strdup ("GstQsvJpegDec");
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feature_name = g_strdup ("qsvjpegdec");
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gint index = 0;
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while (g_type_from_name (type_name)) {
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index++;
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g_free (type_name);
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g_free (feature_name);
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type_name = g_strdup_printf ("GstQsvJPEGDevice%dDec", index);
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feature_name = g_strdup_printf ("qsvjpegdevice%ddec", index);
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}
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type = g_type_register_static (GST_TYPE_QSV_DECODER, type_name, &type_info,
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(GTypeFlags) 0);
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if (rank > 0 && index != 0)
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rank--;
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if (index != 0)
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gst_element_type_set_skip_documentation (type);
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if (!gst_element_register (plugin, feature_name, rank, type))
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GST_WARNING ("Failed to register plugin '%s'", type_name);
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g_free (type_name);
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g_free (feature_name);
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}
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