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/* GStreamer Intel MSDK plugin
* Copyright (c) 2016, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGDECE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* SECTION: element-msdkmjpegdec
* @title: msdkmjpegdec
* @short_description: Intel MSDK MJPEG decoder
*
* MJPEG video decoder based on Intel Media SDK
*
* ## Example launch line
* ```
* gst-launch-1.0 filesrc location=sample.jpg ! jpegparse ! msdkmjpegdec ! glimagesink
* ```
*
* Since: 1.12
*
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <mfxstructures.h>
#include <mfxjpeg.h>
#include "gstmsdkmjpegdec.h"
#include "gstmsdkvideomemory.h"
#include <gst/pbutils/pbutils.h>
GST_DEBUG_CATEGORY_EXTERN (gst_msdkmjpegdec_debug);
#define GST_CAT_DEFAULT gst_msdkmjpegdec_debug
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("image/jpeg, "
"width = (int) [ 1, MAX ], height = (int) [ 1, MAX ], parsed = true ")
);
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_MSDK_CAPS_STR ("{ NV12, YUY2 }", "{ NV12, YUY2 }"))
);
#define gst_msdkmjpegdec_parent_class parent_class
G_DEFINE_TYPE (GstMsdkMJPEGDec, gst_msdkmjpegdec, GST_TYPE_MSDKDEC);
static gboolean
gst_msdkmjpegdec_configure (GstMsdkDec * decoder)
{
decoder->param.mfx.CodecId = MFX_CODEC_JPEG;
/* HACK to make sure MSDK won't crash while handling non-interleaved samples */
/* setting MFX_SCANTYPE_UNKNOWN (== 0) causing issues for
non-interleaved samples. Usage of MFXVideoDECODE_DecodeHeader
also doesn't seems to fix the issue. But even if we hardcode
the InterleaveDec to MFX_SCANTYPE_NONINTERLEAVED, msdk seems to be taking care
of Interleaved samples, so let's hardcode it for now */
decoder->param.mfx.InterleavedDec = MFX_SCANTYPE_NONINTERLEAVED;
return TRUE;
}
static gboolean
gst_msdkmjpegdec_post_configure (GstMsdkDec * decoder)
{
/* Set the output color format based on the input color format */
switch (decoder->param.mfx.JPEGChromaFormat) {
case MFX_CHROMAFORMAT_YUV422:
decoder->param.mfx.FrameInfo.FourCC = MFX_FOURCC_YUY2;
decoder->param.mfx.FrameInfo.ChromaFormat =
decoder->param.mfx.JPEGChromaFormat;
break;
default:
break;
}
return TRUE;
}
static void
gst_msdkmjpegdec_class_init (GstMsdkMJPEGDecClass * klass)
{
GstElementClass *element_class;
GstMsdkDecClass *decoder_class;
element_class = GST_ELEMENT_CLASS (klass);
decoder_class = GST_MSDKDEC_CLASS (klass);
decoder_class->configure = GST_DEBUG_FUNCPTR (gst_msdkmjpegdec_configure);
decoder_class->post_configure =
GST_DEBUG_FUNCPTR (gst_msdkmjpegdec_post_configure);
gst_element_class_set_static_metadata (element_class,
"Intel MSDK MJPEG decoder",
"Codec/Decoder/Video/Hardware",
"MJPEG video decoder based on Intel Media SDK",
"Scott D Phillips <scott.d.phillips@intel.com>");
gst_element_class_add_static_pad_template (element_class, &sink_factory);
gst_element_class_add_static_pad_template (element_class, &src_factory);
}
static void
gst_msdkmjpegdec_init (GstMsdkMJPEGDec * thiz)
{
}
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