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580ac55194
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2485>
138 lines
4.6 KiB
C
138 lines
4.6 KiB
C
/* GStreamer Intel MSDK plugin
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* Copyright (c) 2016, Intel Corporation
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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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/**
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* SECTION: element-msdkmjpegdec
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* @title: msdkmjpegdec
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* @short_description: Intel MSDK MJPEG decoder
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*
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* MJPEG video decoder based on Intel MFX
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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.jpg ! jpegparse ! msdkmjpegdec ! glimagesink
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* ```
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*
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* Since: 1.12
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*
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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 <mfxstructures.h>
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#include <mfxjpeg.h>
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#include "gstmsdkmjpegdec.h"
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#include "gstmsdkvideomemory.h"
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#include <gst/pbutils/pbutils.h>
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GST_DEBUG_CATEGORY_EXTERN (gst_msdkmjpegdec_debug);
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#define GST_CAT_DEFAULT gst_msdkmjpegdec_debug
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static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("image/jpeg, "
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"width = (int) [ 1, MAX ], height = (int) [ 1, MAX ], parsed = true ")
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);
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static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_MSDK_CAPS_STR ("{ NV12, YUY2 }", "{ NV12, YUY2 }"))
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);
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#define gst_msdkmjpegdec_parent_class parent_class
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G_DEFINE_TYPE (GstMsdkMJPEGDec, gst_msdkmjpegdec, GST_TYPE_MSDKDEC);
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static gboolean
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gst_msdkmjpegdec_configure (GstMsdkDec * decoder)
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{
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decoder->param.mfx.CodecId = MFX_CODEC_JPEG;
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/* HACK to make sure MSDK won't crash while handling non-interleaved samples */
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/* setting MFX_SCANTYPE_UNKNOWN (== 0) causing issues for
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non-interleaved samples. Usage of MFXVideoDECODE_DecodeHeader
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also doesn't seems to fix the issue. But even if we hardcode
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the InterleaveDec to MFX_SCANTYPE_NONINTERLEAVED, msdk seems to be taking care
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of Interleaved samples, so let's hardcode it for now */
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decoder->param.mfx.InterleavedDec = MFX_SCANTYPE_NONINTERLEAVED;
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return TRUE;
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}
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static gboolean
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gst_msdkmjpegdec_post_configure (GstMsdkDec * decoder)
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{
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/* Set the output color format based on the input color format */
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switch (decoder->param.mfx.JPEGChromaFormat) {
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case MFX_CHROMAFORMAT_YUV422:
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decoder->param.mfx.FrameInfo.FourCC = MFX_FOURCC_YUY2;
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decoder->param.mfx.FrameInfo.ChromaFormat =
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decoder->param.mfx.JPEGChromaFormat;
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break;
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default:
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break;
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}
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return TRUE;
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}
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static void
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gst_msdkmjpegdec_class_init (GstMsdkMJPEGDecClass * klass)
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{
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GstElementClass *element_class;
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GstMsdkDecClass *decoder_class;
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element_class = GST_ELEMENT_CLASS (klass);
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decoder_class = GST_MSDKDEC_CLASS (klass);
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decoder_class->configure = GST_DEBUG_FUNCPTR (gst_msdkmjpegdec_configure);
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decoder_class->post_configure =
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GST_DEBUG_FUNCPTR (gst_msdkmjpegdec_post_configure);
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gst_element_class_set_static_metadata (element_class,
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"Intel MSDK MJPEG decoder",
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"Codec/Decoder/Video/Hardware",
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"MJPEG video decoder based on " MFX_API_SDK,
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"Scott D Phillips <scott.d.phillips@intel.com>");
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gst_element_class_add_static_pad_template (element_class, &sink_factory);
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gst_element_class_add_static_pad_template (element_class, &src_factory);
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}
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static void
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gst_msdkmjpegdec_init (GstMsdkMJPEGDec * thiz)
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{
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}
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