gstreamer/subprojects/gst-plugins-bad/sys/msdk/gstmsdkvc1dec.c

266 lines
8.2 KiB
C

/* 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
#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 (!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 (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 <sreerenj.balachandran@intel.com>");
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;
}