/* GStreamer Intel MSDK plugin * Copyright (c) 2018, Intel Corporation * All rights reserved. * * Sreerenj Balachandran <sreerenj.balachandran@intel.com> * * 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-msdkvc1dec * @title: msdkvc1dec * @short_description: Intel MSDK VC1 decoder * * VC1/WMV video decoder based on Intel MFX * * ## Example launch line * ``` * gst-launch-1.0 filesrc location=video.wmv ! asfdemux ! vc1parse ! msdkvc1dec ! videoconvert ! xvimagesink * ``` * * Since: 1.14 * */ #ifdef HAVE_CONFIG_H # include <config.h> #endif #include "gstmsdkvc1dec.h" GST_DEBUG_CATEGORY_EXTERN (gst_msdkvc1dec_debug); #define GST_CAT_DEFAULT gst_msdkvc1dec_debug static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS ("video/x-wmv, " "framerate = (fraction) [0/1, MAX], " "width = (int) [ 1, MAX ], height = (int) [ 1, MAX ], " "wmvversion= (int) 3, " "format= (string) WMV3, " "header-format= (string) none, " "stream-format= (string) sequence-layer-frame-layer, " "profile = (string) {simple, main}" ";" "video/x-wmv, " "framerate = (fraction) [0/1, MAX], " "width = (int) [ 1, MAX ], height = (int) [ 1, MAX ], " "wmvversion= (int) 3, " "format= (string) WVC1, " "header-format= (string) asf, " "stream-format= (string) bdu, " "profile = (string) advanced" ";") ); #define gst_msdkvc1dec_parent_class parent_class G_DEFINE_TYPE (GstMsdkVC1Dec, gst_msdkvc1dec, GST_TYPE_MSDKDEC); static gboolean gst_msdkvc1dec_configure (GstMsdkDec * decoder) { GstMsdkVC1Dec *vc1dec = GST_MSDKVC1DEC (decoder); GstBuffer *buffer; GstCaps *caps; GstStructure *structure; const gchar *profile_str; caps = decoder->input_state->caps; if (!caps) return FALSE; structure = gst_caps_get_structure (caps, 0); if (!structure) return FALSE; decoder->param.mfx.CodecId = MFX_CODEC_VC1; profile_str = gst_structure_get_string (structure, "profile"); if (!strcmp (profile_str, "simple")) decoder->param.mfx.CodecProfile = MFX_PROFILE_VC1_SIMPLE; else if (!strcmp (profile_str, "main")) decoder->param.mfx.CodecProfile = MFX_PROFILE_VC1_MAIN; else { decoder->param.mfx.CodecProfile = MFX_PROFILE_VC1_ADVANCED; /* asf advanced profile codec-data has 1 byte in the beginning * which is the ASF binding byte. MediaSDK can't recognize this * byte, so discard it */ if (decoder->input_state->codec_data) { buffer = gst_buffer_copy_region (decoder->input_state->codec_data, GST_BUFFER_COPY_DEEP | GST_BUFFER_COPY_MEMORY, 1, gst_buffer_get_size (decoder->input_state->codec_data) - 1); gst_adapter_push (decoder->adapter, buffer); } gst_video_decoder_set_packetized (GST_VIDEO_DECODER (decoder), FALSE); } /* This is a deprecated attribute in msdk-2017 version, but some * customers still using this for low-latency streaming of non-b-frame * encoded streams */ decoder->param.mfx.DecodedOrder = vc1dec->output_order; return TRUE; } static void gst_msdkdec_vc1_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstMsdkVC1Dec *thiz = GST_MSDKVC1DEC (object); GstState state; GST_OBJECT_LOCK (thiz); state = GST_STATE (thiz); if (!gst_msdkdec_prop_check_state (state, pspec)) { GST_WARNING_OBJECT (thiz, "setting property in wrong state"); GST_OBJECT_UNLOCK (thiz); return; } switch (prop_id) { case GST_MSDKDEC_PROP_OUTPUT_ORDER: thiz->output_order = g_value_get_enum (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } GST_OBJECT_UNLOCK (thiz); return; } static void gst_msdkdec_vc1_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstMsdkVC1Dec *thiz = GST_MSDKVC1DEC (object); GST_OBJECT_LOCK (thiz); switch (prop_id) { case GST_MSDKDEC_PROP_OUTPUT_ORDER: g_value_set_enum (value, thiz->output_order); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } GST_OBJECT_UNLOCK (thiz); } static gboolean gst_msdkvc1dec_preinit_decoder (GstMsdkDec * decoder) { decoder->param.mfx.FrameInfo.Width = GST_ROUND_UP_16 (decoder->param.mfx.FrameInfo.Width); decoder->param.mfx.FrameInfo.Height = GST_ROUND_UP_32 (decoder->param.mfx.FrameInfo.Height); return TRUE; } static void gst_msdkvc1dec_class_init (GstMsdkVC1DecClass * klass) { GObjectClass *gobject_class; GstElementClass *element_class; GstMsdkDecClass *decoder_class; gobject_class = G_OBJECT_CLASS (klass); element_class = GST_ELEMENT_CLASS (klass); decoder_class = GST_MSDKDEC_CLASS (klass); gobject_class->set_property = gst_msdkdec_vc1_set_property; gobject_class->get_property = gst_msdkdec_vc1_get_property; decoder_class->configure = GST_DEBUG_FUNCPTR (gst_msdkvc1dec_configure); decoder_class->preinit_decoder = GST_DEBUG_FUNCPTR (gst_msdkvc1dec_preinit_decoder); gst_element_class_set_static_metadata (element_class, "Intel MSDK VC1 decoder", "Codec/Decoder/Video/Hardware", "VC1/WMV video decoder based on " MFX_API_SDK, "Sreerenj Balachandran <sreerenj.balachandran@intel.com>"); gst_msdkdec_prop_install_output_oder_property (gobject_class); gst_element_class_add_static_pad_template (element_class, &sink_factory); } static void gst_msdkvc1dec_init (GstMsdkVC1Dec * thiz) { thiz->output_order = PROP_OUTPUT_ORDER_DEFAULT; }