/* GStreamer Intel MSDK plugin * Copyright (c) 2018, Intel Corporation * All rights reserved. * * Sreerenj Balachandran * * 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 #endif #include "gstmsdkvc1dec.h" GST_DEBUG_CATEGORY_EXTERN (gst_msdkvc1dec_debug); #define GST_CAT_DEFAULT gst_msdkvc1dec_debug #define GST_MSDKVC1DEC(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_FROM_INSTANCE (obj), GstMsdkVC1Dec)) #define GST_MSDKVC1DEC_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_FROM_CLASS (klass), GstMsdkVC1DecClass)) #define GST_IS_MSDKVC1DEC(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_FROM_INSTANCE (obj))) #define GST_IS_MSDKVC1DEC_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_FROM_CLASS (klass))) /* *INDENT-OFF* */ static const gchar *doc_src_caps_str = GST_VIDEO_CAPS_MAKE ("{ NV12 }") " ;" GST_VIDEO_CAPS_MAKE_WITH_FEATURES ("memory:DMABuf", "{ NV12 }") " ;" GST_VIDEO_CAPS_MAKE_WITH_FEATURES ("memory:VAMemory", "{ NV12 }"); /* *INDENT-ON* */ static const gchar *doc_sink_caps_str = "video/x-wmv"; static GstElementClass *parent_class = NULL; 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 (!g_strcmp0 (profile_str, "simple")) decoder->param.mfx.CodecProfile = MFX_PROFILE_VC1_SIMPLE; else if (!g_strcmp0 (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 (gpointer klass, gpointer data) { GObjectClass *gobject_class; GstElementClass *element_class; GstMsdkDecClass *decoder_class; MsdkDecCData *cdata = data; parent_class = g_type_class_peek_parent (klass); 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 "); gst_msdkdec_prop_install_output_oder_property (gobject_class); gst_msdkcaps_pad_template_init (element_class, cdata->sink_caps, cdata->src_caps, doc_sink_caps_str, doc_src_caps_str); gst_caps_unref (cdata->sink_caps); gst_caps_unref (cdata->src_caps); g_free (cdata); } static void gst_msdkvc1dec_init (GTypeInstance * instance, gpointer g_class) { GstMsdkVC1Dec *thiz = GST_MSDKVC1DEC (instance); thiz->output_order = PROP_OUTPUT_ORDER_DEFAULT; } gboolean gst_msdkvc1dec_register (GstPlugin * plugin, GstMsdkContext * context, GstCaps * sink_caps, GstCaps * src_caps, guint rank) { GType type; MsdkDecCData *cdata; gchar *type_name, *feature_name; gboolean ret = FALSE; GTypeInfo type_info = { .class_size = sizeof (GstMsdkVC1DecClass), .class_init = gst_msdkvc1dec_class_init, .instance_size = sizeof (GstMsdkVC1Dec), .instance_init = gst_msdkvc1dec_init }; cdata = g_new (MsdkDecCData, 1); cdata->sink_caps = gst_caps_ref (sink_caps); cdata->src_caps = gst_caps_ref (src_caps); GST_MINI_OBJECT_FLAG_SET (cdata->sink_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED); GST_MINI_OBJECT_FLAG_SET (cdata->src_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED); type_info.class_data = cdata; type_name = g_strdup ("GstMsdkVC1Dec"); feature_name = g_strdup ("msdkvc1dec"); type = g_type_register_static (GST_TYPE_MSDKDEC, type_name, &type_info, 0); if (type) ret = gst_element_register (plugin, feature_name, rank, type); g_free (type_name); g_free (feature_name); return ret; }