gstreamer/subprojects/gst-plugins-bad/sys/qsv/gstqsvvp9dec.cpp
2022-11-01 17:23:52 +00:00

321 lines
9.9 KiB
C++

/* GStreamer
* Copyright (C) 2022 Seungha Yang <seungha@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/**
* SECTION:element-qsvvp9dec
* @title: qsvvp9dec
*
* Intel Quick Sync VP9 decoder
*
* ## Example launch line
* ```
* gst-launch-1.0 filesrc location=/path/to/vp9/file ! parsebin ! qsvvp9dec ! videoconvert ! autovideosink
* ```
*
* Since: 1.22
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstqsvvp9dec.h"
#include <string>
#include <string.h>
#include <vector>
#ifdef G_OS_WIN32
#include <gst/d3d11/gstd3d11.h>
#else
#include <gst/va/gstva.h>
#endif
GST_DEBUG_CATEGORY_STATIC (gst_qsv_vp9_dec_debug);
#define GST_CAT_DEFAULT gst_qsv_vp9_dec_debug
#define DOC_SINK_CAPS \
"video/x-vp9, width = (int) [ 1, 16384 ], height = (int) [ 1, 16384 ], " \
"alignment = (string) frame, profile = (string) { 0, 2 }"
#define DOC_SRC_CAPS_COMM \
"format = (string) { NV12, P010_10LE, P016_LE}, " \
"width = (int) [ 1, 16384 ], height = (int) [ 1, 16384 ]"
#define DOC_SRC_CAPS \
"video/x-raw(memory:D3D11Memory), " DOC_SRC_CAPS_COMM "; " \
"video/x-raw, " DOC_SRC_CAPS_COMM
typedef struct _GstQsvVP9Dec
{
GstQsvDecoder parent;
} GstQsvVP9Dec;
typedef struct _GstQsvVP9DecClass
{
GstQsvDecoderClass parent_class;
} GstQsvVP9DecClass;
static GTypeClass *parent_class = nullptr;
#define GST_QSV_VP9_DEC(object) ((GstQsvVP9Dec *) (object))
#define GST_QSV_VP9_DEC_GET_CLASS(object) \
(G_TYPE_INSTANCE_GET_CLASS ((object),G_TYPE_FROM_INSTANCE (object),GstQsvVP9DecClass))
static void
gst_qsv_vp9_dec_class_init (GstQsvVP9DecClass * klass, gpointer data)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstQsvDecoderClass *qsvdec_class = GST_QSV_DECODER_CLASS (klass);
GstQsvDecoderClassData *cdata = (GstQsvDecoderClassData *) data;
GstPadTemplate *pad_templ;
GstCaps *doc_caps;
parent_class = (GTypeClass *) g_type_class_peek_parent (klass);
#ifdef G_OS_WIN32
std::string long_name = "Intel Quick Sync Video " +
std::string (cdata->description) + " VP9 Decoder";
gst_element_class_set_metadata (element_class, long_name.c_str (),
"Codec/Decoder/Video/Hardware",
"Intel Quick Sync Video VP9 Decoder",
"Seungha Yang <seungha@centricular.com>");
#else
gst_element_class_set_static_metadata (element_class,
"Intel Quick Sync Video VP9 Decoder",
"Codec/Decoder/Video/Hardware",
"Intel Quick Sync Video VP9 Decoder",
"Seungha Yang <seungha@centricular.com>");
#endif
pad_templ = gst_pad_template_new ("sink",
GST_PAD_SINK, GST_PAD_ALWAYS, cdata->sink_caps);
doc_caps = gst_caps_from_string (DOC_SINK_CAPS);
gst_pad_template_set_documentation_caps (pad_templ, doc_caps);
gst_caps_unref (doc_caps);
gst_element_class_add_pad_template (element_class, pad_templ);
pad_templ = gst_pad_template_new ("src",
GST_PAD_SRC, GST_PAD_ALWAYS, cdata->src_caps);
doc_caps = gst_caps_from_string (DOC_SRC_CAPS);
gst_pad_template_set_documentation_caps (pad_templ, doc_caps);
gst_caps_unref (doc_caps);
gst_element_class_add_pad_template (element_class, pad_templ);
qsvdec_class->codec_id = MFX_CODEC_VP9;
qsvdec_class->impl_index = cdata->impl_index;
qsvdec_class->adapter_luid = cdata->adapter_luid;
qsvdec_class->display_path = cdata->display_path;
gst_caps_unref (cdata->sink_caps);
gst_caps_unref (cdata->src_caps);
g_free (cdata);
}
static void
gst_qsv_vp9_dec_init (GstQsvVP9Dec * self)
{
}
void
gst_qsv_vp9_dec_register (GstPlugin * plugin, guint rank, guint impl_index,
GstObject * device, mfxSession session)
{
mfxVideoParam param;
mfxInfoMFX *mfx;
GstQsvResolution max_resolution;
std::vector < std::string > supported_formats;
gboolean have_profile_2 = FALSE;
gboolean have_profile_2_12bits = FALSE;
GST_DEBUG_CATEGORY_INIT (gst_qsv_vp9_dec_debug, "qsvvp9dec", 0, "qsvvp9dec");
memset (&param, 0, sizeof (mfxVideoParam));
memset (&max_resolution, 0, sizeof (GstQsvResolution));
param.AsyncDepth = 4;
param.IOPattern = MFX_IOPATTERN_OUT_VIDEO_MEMORY;
mfx = &param.mfx;
mfx->CodecId = MFX_CODEC_VP9;
mfx->FrameInfo.FrameRateExtN = 30;
mfx->FrameInfo.FrameRateExtD = 1;
mfx->FrameInfo.AspectRatioW = 1;
mfx->FrameInfo.AspectRatioH = 1;
mfx->FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
mfx->FrameInfo.FourCC = MFX_FOURCC_NV12;
mfx->FrameInfo.BitDepthLuma = 8;
mfx->FrameInfo.BitDepthChroma = 8;
mfx->FrameInfo.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
mfx->CodecProfile = MFX_PROFILE_VP9_0;
/* Check max-resolution */
for (guint i = 0; i < G_N_ELEMENTS (gst_qsv_resolutions); i++) {
mfx->FrameInfo.Width = GST_ROUND_UP_16 (gst_qsv_resolutions[i].width);
mfx->FrameInfo.Height = GST_ROUND_UP_16 (gst_qsv_resolutions[i].height);
mfx->FrameInfo.CropW = gst_qsv_resolutions[i].width;
mfx->FrameInfo.CropH = gst_qsv_resolutions[i].height;
if (MFXVideoDECODE_Query (session, &param, &param) != MFX_ERR_NONE)
break;
max_resolution.width = gst_qsv_resolutions[i].width;
max_resolution.height = gst_qsv_resolutions[i].height;
}
if (max_resolution.width == 0 || max_resolution.height == 0)
return;
GST_INFO ("Maximum supported resolution: %dx%d",
max_resolution.width, max_resolution.height);
supported_formats.push_back ("NV12");
/* Check other profile/formats */
mfx->FrameInfo.FourCC = MFX_FOURCC_P010;
mfx->FrameInfo.BitDepthLuma = 10;
mfx->FrameInfo.BitDepthChroma = 10;
mfx->FrameInfo.Shift = 1;
mfx->CodecProfile = MFX_PROFILE_VP9_2;
if (MFXVideoDECODE_Query (session, &param, &param) == MFX_ERR_NONE) {
have_profile_2 = TRUE;
supported_formats.push_back ("P010_10LE");
mfx->FrameInfo.FourCC = MFX_FOURCC_P016;
mfx->FrameInfo.BitDepthLuma = 12;
mfx->FrameInfo.BitDepthChroma = 12;
if (MFXVideoDECODE_Query (session, &param, &param) == MFX_ERR_NONE) {
have_profile_2_12bits = TRUE;
supported_formats.push_back ("P016_LE");
}
}
/* To cover both landscape and portrait,
* select max value (width in this case) */
guint resolution = MAX (max_resolution.width, max_resolution.height);
std::string src_caps_str = "video/x-raw";
src_caps_str += ", width=(int) [ 1, " + std::to_string (resolution) + " ]";
src_caps_str += ", height=(int) [ 1, " + std::to_string (resolution) + " ]";
/* *INDENT-OFF* */
if (supported_formats.size () > 1) {
src_caps_str += ", format=(string) { ";
bool first = true;
for (const auto &iter: supported_formats) {
if (!first) {
src_caps_str += ", ";
}
src_caps_str += iter;
first = false;
}
src_caps_str += " }";
} else {
src_caps_str += ", format=(string) " + supported_formats[0];
}
/* *INDENT-ON* */
GstCaps *src_caps = gst_caps_from_string (src_caps_str.c_str ());
/* TODO: Add support for VA */
#ifdef G_OS_WIN32
GstCaps *d3d11_caps = gst_caps_copy (src_caps);
GstCapsFeatures *caps_features =
gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, nullptr);
gst_caps_set_features_simple (d3d11_caps, caps_features);
gst_caps_append (d3d11_caps, src_caps);
src_caps = d3d11_caps;
#endif
std::string sink_caps_str = "video/x-vp9";
sink_caps_str += ", width=(int) [ 1, " + std::to_string (resolution) + " ]";
sink_caps_str += ", height=(int) [ 1, " + std::to_string (resolution) + " ]";
sink_caps_str += ", alignment=(string) frame";
if (have_profile_2 && have_profile_2_12bits) {
sink_caps_str += ", profile=(string) { 0, 2 }";
} else if (have_profile_2) {
std::string profile2_str = sink_caps_str;
profile2_str += ", profile = (string) 2, bit-depth-luma = (uint) 10, "
"bit-depth-chroma = (uint) 10";
sink_caps_str += ", profile = (string) 0; " + profile2_str;
}
GstCaps *sink_caps = gst_caps_from_string (sink_caps_str.c_str ());
GST_MINI_OBJECT_FLAG_SET (sink_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
GST_MINI_OBJECT_FLAG_SET (src_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
GstQsvDecoderClassData *cdata = g_new0 (GstQsvDecoderClassData, 1);
cdata->sink_caps = sink_caps;
cdata->src_caps = src_caps;
cdata->impl_index = impl_index;
#ifdef G_OS_WIN32
g_object_get (device, "adapter-luid", &cdata->adapter_luid,
"description", &cdata->description, nullptr);
#else
g_object_get (device, "path", &cdata->display_path, nullptr);
#endif
GType type;
gchar *type_name;
gchar *feature_name;
GTypeInfo type_info = {
sizeof (GstQsvVP9DecClass),
nullptr,
nullptr,
(GClassInitFunc) gst_qsv_vp9_dec_class_init,
nullptr,
cdata,
sizeof (GstQsvVP9Dec),
0,
(GInstanceInitFunc) gst_qsv_vp9_dec_init,
};
type_name = g_strdup ("GstQsvVP9Dec");
feature_name = g_strdup ("qsvvp9dec");
gint index = 0;
while (g_type_from_name (type_name)) {
index++;
g_free (type_name);
g_free (feature_name);
type_name = g_strdup_printf ("GstQsvVP9Device%dDec", index);
feature_name = g_strdup_printf ("qsvvp9device%ddec", index);
}
type = g_type_register_static (GST_TYPE_QSV_DECODER, type_name, &type_info,
(GTypeFlags) 0);
if (rank > 0 && index != 0)
rank--;
if (index != 0)
gst_element_type_set_skip_documentation (type);
if (!gst_element_register (plugin, feature_name, rank, type))
GST_WARNING ("Failed to register plugin '%s'", type_name);
g_free (type_name);
g_free (feature_name);
}