gstreamer/sys/msdk/gstmsdkvc1dec.c
Yinhang Liu a997524e3f doc: add the msdk elements
Supported elements:
msdkav1dec, msdkh264dec, msdkh264enc, msdkh265dec, msdkh265enc,
msdkmjpegdec, msdkmjpegenc, msdkmpeg2dec, msdkmpeg2enc, msdkvc1dec,
msdkvp8dec, msdkvp9dec, msdkvp9enc, msdkvpp.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2296>
2021-06-03 10:30:18 +08:00

218 lines
7 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 Media SDK
*
* ## 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 Intel Media 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;
}