/* 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. */ #ifdef HAVE_CONFIG_H # include #endif #include #include #include "gstmsdkmjpegdec.h" #include 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 ") ); #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 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); gst_element_class_set_static_metadata (element_class, "Intel MSDK MJPEG decoder", "Codec/Decoder/Video", "MJPEG video decoder based on Intel Media SDK", "Scott D Phillips "); gst_element_class_add_static_pad_template (element_class, &sink_factory); } static void gst_msdkmjpegdec_init (GstMsdkMJPEGDec * thiz) { }