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wic: Add support for JPEG and PNG decoding

Browse source 
Adding Windows Imaging Component (WIC) plugin with JPEG/PNG decoding
support.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1605>
This commit is contained in:
Seungha Yang 2022-01-30 03:11:37 +09:00 committed by GStreamer Marge Bot
parent df6624bf1c
commit f8016687a4
14 changed files with 1831 additions and 0 deletions
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1
subprojects/gst-plugins-bad/meson_options.txt
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@ -170,6 +170,7 @@ option('webp', type : 'feature', value : 'auto', description : 'WebP image codec
option('webrtc', type : 'feature', value : 'auto', description : 'WebRTC audio/video network bin plugin')
option('webrtcdsp', type : 'feature', value : 'auto', description : 'Plugin with various audio filters provided by the WebRTC audio processing library')
option('wildmidi', type : 'feature', value : 'auto', description : 'WildMidi midi soft synth plugin')
option('wic', type : 'feature', value : 'auto', description : 'Windows Imaging Component plugin')
option('winks', type : 'feature', value : 'auto', description : 'Windows Kernel Streaming video source plugin')
option('winscreencap', type : 'feature', value : 'auto', description : 'Windows Screen Capture video source plugin')
option('x265', type : 'feature', value : 'auto', description : 'HEVC/H.265 video encoder plugin (GPL - only built if gpl option is also enabled!)')

1
subprojects/gst-plugins-bad/sys/meson.build
View file

@ -24,5 +24,6 @@ subdir('v4l2codecs')
subdir('va')
subdir('wasapi')
subdir('wasapi2')
subdir('wic')
subdir('winks')
subdir('winscreencap')

281
subprojects/gst-plugins-bad/sys/wic/gstwicdecoder.cpp Normal file
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@ -0,0 +1,281 @@
/* 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.
*/
#include "gstwicdecoder.h"
#include <wrl.h>
#include <string.h>
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
/* *INDENT-ON* */
GST_DEBUG_CATEGORY_STATIC (gst_wic_decoder_debug);
#define GST_CAT_DEFAULT gst_wic_decoder_debug
struct _GstWicDecoderPrivate
{
GstWicImagingFactory *factory;
IStream *stream;
};
static gboolean gst_wic_decoder_open (GstVideoDecoder * decoder);
static gboolean gst_wic_decoder_close (GstVideoDecoder * decoder);
static gboolean gst_wic_decoder_stop (GstVideoDecoder * decoder);
static gboolean gst_wic_decoder_set_format (GstVideoDecoder * decoder,
GstVideoCodecState * state);
static GstFlowReturn gst_wic_decoder_handle_frame (GstVideoDecoder * decoder,
GstVideoCodecFrame * frame);
#define gst_wic_decoder_parent_class parent_class
G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (GstWicDecoder, gst_wic_decoder,
GST_TYPE_VIDEO_DECODER);
static void
gst_wic_decoder_class_init (GstWicDecoderClass * klass)
{
GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass);
decoder_class->open = GST_DEBUG_FUNCPTR (gst_wic_decoder_open);
decoder_class->close = GST_DEBUG_FUNCPTR (gst_wic_decoder_close);
decoder_class->stop = GST_DEBUG_FUNCPTR (gst_wic_decoder_stop);
decoder_class->set_format = GST_DEBUG_FUNCPTR (gst_wic_decoder_set_format);
decoder_class->handle_frame =
GST_DEBUG_FUNCPTR (gst_wic_decoder_handle_frame);
GST_DEBUG_CATEGORY_INIT (gst_wic_decoder_debug,
"wicdecoder", 0, "wicdecoder");
gst_type_mark_as_plugin_api (GST_TYPE_WIC_DECODER, (GstPluginAPIFlags) 0);
}
static void
gst_wic_decoder_init (GstWicDecoder * self)
{
self->priv =
(GstWicDecoderPrivate *) gst_wic_decoder_get_instance_private (self);
}
static gboolean
gst_wic_decoder_open (GstVideoDecoder * decoder)
{
GstWicDecoder *self = GST_WIC_DECODER (decoder);
GstWicDecoderClass *klass = GST_WIC_DECODER_GET_CLASS (self);
GstWicDecoderPrivate *priv = self->priv;
HRESULT hr;
ComPtr < IStream > stream;
priv->factory = gst_wic_imaging_factory_new ();
if (!priv->factory) {
GST_ERROR_OBJECT (self, "Failed to create factory");
return FALSE;
}
hr = gst_wic_imaging_factory_check_codec_support (priv->factory,
TRUE, klass->codec_id);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Codec is not supported, hr: 0x%x", (guint) hr);
goto error;
}
hr = CreateStreamOnHGlobal (nullptr, TRUE, &stream);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to create IStream object");
goto error;
}
priv->stream = stream.Detach ();
return TRUE;
error:
GST_WIC_CLEAR_COM (priv->stream);
gst_clear_object (&priv->factory);
return FALSE;
}
static gboolean
gst_wic_decoder_close (GstVideoDecoder * decoder)
{
GstWicDecoder *self = GST_WIC_DECODER (decoder);
GstWicDecoderPrivate *priv = self->priv;
GST_WIC_CLEAR_COM (priv->stream);
gst_clear_object (&priv->factory);
return TRUE;
}
static gboolean
gst_wic_decoder_stop (GstVideoDecoder * decoder)
{
GstWicDecoder *self = GST_WIC_DECODER (decoder);
g_clear_pointer (&self->input_state, gst_video_codec_state_unref);
return TRUE;
}
static gboolean
gst_wic_decoder_set_format (GstVideoDecoder * decoder,
GstVideoCodecState * state)
{
GstWicDecoder *self = GST_WIC_DECODER (decoder);
GstWicDecoderClass *klass = GST_WIC_DECODER_GET_CLASS (self);
self->input_state = gst_video_codec_state_ref (state);
if (klass->set_format)
return klass->set_format (self, state);
return TRUE;
}
static gboolean
gst_wic_decoder_upload (GstWicDecoder * self, GstBuffer * buffer)
{
GstWicDecoderPrivate *priv = self->priv;
IStream *stream = priv->stream;
LARGE_INTEGER pos;
ULARGE_INTEGER size;
HRESULT hr;
GstMapInfo info;
if (!gst_buffer_map (buffer, &info, GST_MAP_READ)) {
GST_ELEMENT_ERROR (self,
RESOURCE, READ, ("Unable to map buffer"), (nullptr));
return FALSE;
}
size.QuadPart = info.size;
hr = stream->SetSize (size);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self,
"Failed to set size to %" G_GSIZE_FORMAT, info.size);
goto read_write_error;
}
pos.QuadPart = 0;
hr = stream->Seek (pos, STREAM_SEEK_SET, nullptr);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to seek IStream");
gst_buffer_unmap (buffer, &info);
goto read_write_error;
}
hr = stream->Write (info.data, info.size, nullptr);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to write data into IStream");
goto read_write_error;
}
hr = stream->Seek (pos, STREAM_SEEK_SET, nullptr);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to seek IStream");
goto read_write_error;
}
gst_buffer_unmap (buffer, &info);
return TRUE;
read_write_error:
{
gchar *error_text = g_win32_error_message ((guint) hr);
GST_ELEMENT_ERROR (self, RESOURCE, OPEN_READ_WRITE,
("Failed to read/write stream for decoding"),
("HRSULT: 0x%x (%s)", (guint) hr, GST_STR_NULL (error_text)));
g_free (error_text);
gst_buffer_unmap (buffer, &info);
return FALSE;
}
}
static gboolean
gst_wic_decoder_decode (GstWicDecoder * self, IWICBitmapDecoder ** decoder)
{
GstWicDecoderClass *klass = GST_WIC_DECODER_GET_CLASS (self);
GstWicDecoderPrivate *priv = self->priv;
IStream *stream = priv->stream;
IWICImagingFactory *factory;
HRESULT hr;
ComPtr < IWICBitmapDecoder > handle;
factory = gst_wic_imaging_factory_get_handle (priv->factory);
hr = factory->CreateDecoder (klass->codec_id, nullptr, &handle);
if (FAILED (hr)) {
GST_ELEMENT_ERROR (self, STREAM, DECODE, ("Unable to create decoder"),
("IWICImagingFactory::IWICBitmapDecoder returned hr 0x%x", (guint) hr));
return FALSE;
}
hr = handle->Initialize (stream, WICDecodeMetadataCacheOnLoad);
if (FAILED (hr)) {
GST_ELEMENT_ERROR (self, STREAM, DECODE, ("Unable initialize decoder"),
("IWICBitmapDecoder::Initialize returned hr 0x%x", (guint) hr));
return FALSE;
}
*decoder = handle.Detach ();
return TRUE;
}
static GstFlowReturn
gst_wic_decoder_handle_frame (GstVideoDecoder * decoder,
GstVideoCodecFrame * frame)
{
GstWicDecoder *self = GST_WIC_DECODER (decoder);
GstWicDecoderClass *klass = GST_WIC_DECODER_GET_CLASS (self);
GstWicDecoderPrivate *priv = self->priv;
ComPtr < IWICBitmapDecoder > handle;
ComPtr < IWICBitmapFrameDecode > decode_frame;
HRESULT hr;
IWICImagingFactory *factory;
factory = gst_wic_imaging_factory_get_handle (priv->factory);
if (!gst_wic_decoder_upload (self, frame->input_buffer)) {
gst_video_decoder_release_frame (decoder, frame);
return GST_FLOW_ERROR;
}
if (!gst_wic_decoder_decode (self, &handle)) {
gst_video_decoder_release_frame (decoder, frame);
return GST_FLOW_ERROR;
}
hr = handle->GetFrame (0, &decode_frame);
if (FAILED (hr)) {
gst_video_decoder_release_frame (decoder, frame);
GST_ELEMENT_ERROR (self, STREAM, DECODE, ("Failed to decode"),
("IWICBitmapDecoder::GetFrame returned hr 0x%x", (guint) hr));
return GST_FLOW_ERROR;
}
return klass->process_output (self, factory, decode_frame.Get (), frame);
}

64
subprojects/gst-plugins-bad/sys/wic/gstwicdecoder.h Normal file
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@ -0,0 +1,64 @@
/* 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.
*/
#pragma once
#include <gst/gst.h>
#include <gst/video/video.h>
#include "gstwicimagingfactory.h"
G_BEGIN_DECLS
#define GST_TYPE_WIC_DECODER (gst_wic_decoder_get_type())
#define GST_WIC_DECODER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WIC_DECODER,GstWicDecoder))
#define GST_WIC_DECODER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_WIC_DECODER,GstWicDecoderClass))
#define GST_WIC_DECODER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_WIC_DECODER,GstWicDecoderClass))
#define GST_IS_WIC_DECODER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WIC_DECODER))
#define GST_IS_WIC_DECODER_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_WIC_DECODER))
typedef struct _GstWicDecoder GstWicDecoder;
typedef struct _GstWicDecoderClass GstWicDecoderClass;
typedef struct _GstWicDecoderPrivate GstWicDecoderPrivate;
struct _GstWicDecoder
{
GstVideoDecoder parent;
GstVideoCodecState *input_state;
GstWicDecoderPrivate *priv;
};
struct _GstWicDecoderClass
{
GstVideoDecoderClass parent_class;
GUID codec_id;
gboolean (*set_format) (GstWicDecoder * decoder,
GstVideoCodecState * state);
GstFlowReturn (*process_output) (GstWicDecoder * decoder,
IWICImagingFactory * factory,
IWICBitmapFrameDecode * decode_frame,
GstVideoCodecFrame * frame);
};
GType gst_wic_decoder_get_type (void);
G_END_DECLS

192
subprojects/gst-plugins-bad/sys/wic/gstwicimagingfactory.cpp Normal file
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@ -0,0 +1,192 @@
/* 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.
*/
#include "gstwicimagingfactory.h"
#include <wrl.h>
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
/* *INDENT-ON* */
GST_DEBUG_CATEGORY_STATIC (gst_wic_imaging_factory_debug);
#define GST_CAT_DEFAULT gst_wic_imaging_factory_debug
struct _GstWicImagingFactory
{
GstObject parent;
IWICImagingFactory *handle;
GThread *thread;
GMutex lock;
GCond cond;
GMainContext *context;
GMainLoop *loop;
};
static void gst_wic_imaging_factory_constructed (GObject * object);
static void gst_wic_imaging_factory_finalize (GObject * object);
static gpointer gst_wic_imaging_factory_func (GstWicImagingFactory * self);
#define gst_wic_imaging_factory_parent_class parent_class
G_DEFINE_TYPE (GstWicImagingFactory, gst_wic_imaging_factory, GST_TYPE_OBJECT);
static void
gst_wic_imaging_factory_class_init (GstWicImagingFactoryClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructed = gst_wic_imaging_factory_constructed;
object_class->finalize = gst_wic_imaging_factory_finalize;
}
static void
gst_wic_imaging_factory_init (GstWicImagingFactory * self)
{
g_mutex_init (&self->lock);
g_cond_init (&self->cond);
self->context = g_main_context_new ();
self->loop = g_main_loop_new (self->context, FALSE);
}
static void
gst_wic_imaging_factory_constructed (GObject * object)
{
GstWicImagingFactory *self = GST_WIC_IMAGING_FACTORY (object);
g_mutex_lock (&self->lock);
self->thread = g_thread_new ("GstWicImagingFactory",
(GThreadFunc) gst_wic_imaging_factory_func, self);
while (!g_main_loop_is_running (self->loop))
g_cond_wait (&self->cond, &self->lock);
g_mutex_unlock (&self->lock);
G_OBJECT_CLASS (parent_class)->constructed (object);
}
static void
gst_wic_imaging_factory_finalize (GObject * object)
{
GstWicImagingFactory *self = GST_WIC_IMAGING_FACTORY (object);
if (self->loop) {
g_main_loop_quit (self->loop);
g_thread_join (self->thread);
g_main_loop_unref (self->loop);
g_main_context_unref (self->context);
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
loop_running_cb (GstWicImagingFactory * self)
{
g_mutex_lock (&self->lock);
g_cond_signal (&self->cond);
g_mutex_unlock (&self->lock);
return G_SOURCE_REMOVE;
}
static gpointer
gst_wic_imaging_factory_func (GstWicImagingFactory * self)
{
HRESULT hr;
ComPtr < IWICImagingFactory > factory;
GSource *idle_source;
CoInitializeEx (nullptr, COINIT_MULTITHREADED);
g_main_context_push_thread_default (self->context);
idle_source = g_idle_source_new ();
g_source_set_callback (idle_source,
(GSourceFunc) loop_running_cb, self, nullptr);
g_source_attach (idle_source, self->context);
g_source_unref (idle_source);
hr = CoCreateInstance (CLSID_WICImagingFactory, nullptr,
CLSCTX_INPROC_SERVER, IID_PPV_ARGS (&factory));
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to create factory handle, hr: 0x%x",
(guint) hr);
} else {
self->handle = factory.Detach ();
}
run_loop:
g_main_loop_run (self->loop);
if (self->handle)
self->handle->Release ();
g_main_context_pop_thread_default (self->context);
CoUninitialize ();
return nullptr;
}
GstWicImagingFactory *
gst_wic_imaging_factory_new (void)
{
GstWicImagingFactory *self;
self = (GstWicImagingFactory *) g_object_new (GST_TYPE_WIC_IMAGING_FACTORY,
nullptr);
if (!self->handle) {
gst_object_unref (self);
return nullptr;
}
gst_object_ref_sink (self);
return self;
}
IWICImagingFactory *
gst_wic_imaging_factory_get_handle (GstWicImagingFactory * factory)
{
g_return_val_if_fail (GST_IS_WIC_IMAGING_FACTORY (factory), nullptr);
return factory->handle;
}
HRESULT
gst_wic_imaging_factory_check_codec_support (GstWicImagingFactory * factory,
gboolean is_decoder, REFGUID codec_id)
{
HRESULT hr = E_FAIL;
g_return_val_if_fail (GST_IS_WIC_IMAGING_FACTORY (factory), E_FAIL);
if (is_decoder) {
ComPtr < IWICBitmapDecoder > decoder;
hr = factory->handle->CreateDecoder (codec_id, nullptr, &decoder);
} else {
ComPtr < IWICBitmapEncoder > encoder;
hr = factory->handle->CreateEncoder (codec_id, nullptr, &encoder);
}
return hr;
}

39
subprojects/gst-plugins-bad/sys/wic/gstwicimagingfactory.h Normal file
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@ -0,0 +1,39 @@
/* 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.
*/
#pragma once
#include <gst/gst.h>
#include "gstwicutils.h"
G_BEGIN_DECLS
#define GST_TYPE_WIC_IMAGING_FACTORY (gst_wic_imaging_factory_get_type())
G_DECLARE_FINAL_TYPE (GstWicImagingFactory, gst_wic_imaging_factory,
GST, WIC_IMAGING_FACTORY, GstObject);
GstWicImagingFactory * gst_wic_imaging_factory_new (void);
IWICImagingFactory * gst_wic_imaging_factory_get_handle (GstWicImagingFactory * factory);
HRESULT gst_wic_imaging_factory_check_codec_support (GstWicImagingFactory * factory,
gboolean is_decoder,
REFGUID codec_id);
G_END_DECLS

544
subprojects/gst-plugins-bad/sys/wic/gstwicjpegdec.cpp Normal file
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@ -0,0 +1,544 @@
/* 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-wicjpegdec
* @title: wicjpegdec
*
* This element decodes JPEG compressed data into RAW video data.
*
* Since: 1.22
*
*/
#include "gstwicjpegdec.h"
#include <wrl.h>
#include <string.h>
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
/* *INDENT-ON* */
GST_DEBUG_CATEGORY_STATIC (gst_wic_jpeg_dec_debug);
#define GST_CAT_DEFAULT gst_wic_jpeg_dec_debug
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("image/jpeg")
);
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ BGR, GRAY8, NV12, Y42B, Y444 }"))
);
struct _GstWicJpegDec
{
GstWicDecoder parent;
WICBitmapPlaneDescription plane_desc[GST_VIDEO_MAX_PLANES];
GstVideoInfo info;
};
static gboolean gst_wic_jpeg_dec_set_format (GstWicDecoder * decoder,
GstVideoCodecState * state);
static GstFlowReturn gst_wic_jpeg_dec_process_output (GstWicDecoder * decoder,
IWICImagingFactory * factory, IWICBitmapFrameDecode * decode_frame,
GstVideoCodecFrame * frame);
#define gst_wic_decoder_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstWicJpegDec, gst_wic_jpeg_dec, GST_TYPE_WIC_DECODER,
GST_DEBUG_CATEGORY_INIT (gst_wic_jpeg_dec_debug,
"wicjpegdec", 0, "wicjpegdec"));
static void
gst_wic_jpeg_dec_class_init (GstWicJpegDecClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstWicDecoderClass *decoder_class = GST_WIC_DECODER_CLASS (klass);
gst_element_class_add_static_pad_template (element_class, &sink_template);
gst_element_class_add_static_pad_template (element_class, &src_template);
gst_element_class_set_static_metadata (element_class,
"Windows Imaging Component JPEG decoder", "Codec/Decoder/Image",
"Jpeg image decoder using Windows Imaging Component API",
"Seungha Yang <seungha@centricular.com>");
decoder_class->codec_id = GUID_ContainerFormatJpeg;
decoder_class->set_format = GST_DEBUG_FUNCPTR (gst_wic_jpeg_dec_set_format);
decoder_class->process_output =
GST_DEBUG_FUNCPTR (gst_wic_jpeg_dec_process_output);
}
static void
gst_wic_jpeg_dec_init (GstWicJpegDec * self)
{
gst_video_info_init (&self->info);
gst_video_decoder_set_packetized (GST_VIDEO_DECODER (self), TRUE);
}
static gboolean
gst_wic_jpeg_dec_prepare_yuv_output (GstWicJpegDec * self,
WICJpegFrameHeader * hdr,
IWICBitmapSource * input, guint out_width, guint out_height,
IWICPlanarBitmapSourceTransform ** transform)
{
ComPtr < IWICPlanarBitmapSourceTransform > tr;
HRESULT hr;
BOOL is_supported = FALSE;
UINT32 supported_width = out_width;
UINT32 supported_height = out_height;
const WICPixelFormatGUID yuv_planar_formats[] = {
GUID_WICPixelFormat8bppY,
GUID_WICPixelFormat8bppCb,
GUID_WICPixelFormat8bppCr
};
const WICPixelFormatGUID nv12_formats[] = {
GUID_WICPixelFormat8bppY,
GUID_WICPixelFormat16bppCbCr,
};
const WICPixelFormatGUID *dst_formats = yuv_planar_formats;
guint n_planes = G_N_ELEMENTS (yuv_planar_formats);
GstVideoFormat format = GST_VIDEO_FORMAT_UNKNOWN;
switch (hdr->SampleFactors) {
case WIC_JPEG_SAMPLE_FACTORS_ONE:
/* GRAY */
return FALSE;
case WIC_JPEG_SAMPLE_FACTORS_THREE_420:
/* NV12 is preferred over I420 on Windows, because I420 is not suppported
* by various Windows APIs, Specifically DXGI doesn't support I420
* natively */
format = GST_VIDEO_FORMAT_NV12;
dst_formats = nv12_formats;
n_planes = G_N_ELEMENTS (nv12_formats);
break;
case WIC_JPEG_SAMPLE_FACTORS_THREE_422:
format = GST_VIDEO_FORMAT_Y42B;
break;
case WIC_JPEG_SAMPLE_FACTORS_THREE_444:
format = GST_VIDEO_FORMAT_Y444;
break;
case WIC_JPEG_SAMPLE_FACTORS_THREE_440:
/* We don't support this format */
return FALSE;
default:
return FALSE;
}
hr = input->QueryInterface (IID_PPV_ARGS (&tr));
if (FAILED (hr)) {
GST_TRACE_OBJECT (self, "IWICPlanarBitmapSourceTransform is not supported");
return FALSE;
}
hr = tr->DoesSupportTransform (&supported_width,
&supported_height,
WICBitmapTransformRotate0,
WICPlanarOptionsPreserveSubsampling,
dst_formats, self->plane_desc, n_planes, &is_supported);
if (FAILED (hr) || !is_supported) {
GST_TRACE_OBJECT (self, "Transform is not supported");
return FALSE;
}
GST_LOG_OBJECT (self, "Transform supported %dx%d -> %dx%d",
out_width, out_height, supported_width, supported_height);
for (guint i = 0; i < n_planes; i++) {
GST_LOG_OBJECT (self, "Plane %d, %dx%d", i,
self->plane_desc[i].Width, self->plane_desc[i].Height);
}
gst_video_info_set_format (&self->info, format, supported_width,
supported_height);
*transform = tr.Detach ();
return TRUE;
}
static gboolean
gst_wic_jpeg_dec_prepare_rgb_output (GstWicJpegDec * self,
IWICImagingFactory * factory, IWICBitmapSource * input,
guint out_width, guint out_height, IWICBitmapSource ** source)
{
WICPixelFormatGUID native_pixel_format;
GstVideoFormat native_format = GST_VIDEO_FORMAT_UNKNOWN;
HRESULT hr;
ComPtr < IWICBitmapSource > output;
hr = input->GetPixelFormat (&native_pixel_format);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to query pixel format, hr: 0x%x",
(guint) hr);
return FALSE;
}
/* native output formats are BGR, GRAY and CMYK but we don't support
* CMYK */
if (!gst_wic_pixel_format_to_gst (native_pixel_format, &native_format) ||
(native_format != GST_VIDEO_FORMAT_BGR &&
native_format != GST_VIDEO_FORMAT_GRAY8)) {
ComPtr < IWICFormatConverter > conv;
GST_LOG_OBJECT (self,
"Native format is not supported for output, needs conversion");
native_format = GST_VIDEO_FORMAT_BGR;
if (!gst_wic_pixel_format_from_gst (native_format, &native_pixel_format)) {
GST_ERROR_OBJECT (self, "Failed to convert format to WIC");
return FALSE;
}
hr = factory->CreateFormatConverter (&conv);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to create converter");
return FALSE;
}
hr = conv->Initialize (input, native_pixel_format,
WICBitmapDitherTypeNone, nullptr, 0.0f, WICBitmapPaletteTypeCustom);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to initialize converter, hr: 0x%x",
(guint) hr);
return FALSE;
}
conv.As (&output);
} else {
output = input;
}
gst_video_info_set_format (&self->info, native_format, out_width, out_height);
*source = output.Detach ();
return TRUE;
}
static gboolean
gst_wic_jpeg_dec_fill_yuv_output (GstWicJpegDec * self,
IWICImagingFactory * factory, IWICPlanarBitmapSourceTransform * transform,
GstBuffer * buffer)
{
ComPtr < IWICBitmap > bitmaps[GST_VIDEO_MAX_PLANES];
ComPtr < IWICBitmapLock > locks[GST_VIDEO_MAX_PLANES];
WICBitmapPlane planes[GST_VIDEO_MAX_PLANES];
HRESULT hr;
GstVideoFrame frame;
guint num_planes = GST_VIDEO_INFO_N_PLANES (&self->info);
for (guint i = 0; i < num_planes; i++) {
hr = factory->CreateBitmap (self->plane_desc[i].Width,
self->plane_desc[i].Height,
self->plane_desc[i].Format, WICBitmapCacheOnLoad, &bitmaps[i]);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to create bitmap, hr: 0x%x", (guint) hr);
return FALSE;
}
hr = gst_wic_lock_bitmap (bitmaps[i].Get (), nullptr,
WICBitmapLockRead | WICBitmapLockWrite, &locks[i], &planes[i]);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to lock bitmap for plane %d", i);
return FALSE;
}
}
hr = transform->CopyPixels (nullptr, self->info.width, self->info.height,
WICBitmapTransformRotate0, WICPlanarOptionsPreserveSubsampling, planes,
num_planes);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to copy pixels, hr: 0x%x", (guint) hr);
return FALSE;
}
if (!gst_video_frame_map (&frame, &self->info, buffer, GST_MAP_WRITE)) {
GST_ERROR_OBJECT (self, "Failed to map output buffer");
return FALSE;
}
for (guint i = 0; i < num_planes; i++) {
WICBitmapPlane *plane = &planes[i];
guint height, width_in_bytes;
guint8 *src, *dst;
guint src_stride, dst_stride;
src = plane->pbBuffer;
dst = (guint8 *) GST_VIDEO_FRAME_PLANE_DATA (&frame, i);
src_stride = plane->cbStride;
dst_stride = GST_VIDEO_FRAME_PLANE_STRIDE (&frame, i);
width_in_bytes = GST_VIDEO_FRAME_COMP_WIDTH (&frame, i) *
GST_VIDEO_FRAME_COMP_PSTRIDE (&frame, i);
height = GST_VIDEO_FRAME_COMP_HEIGHT (&frame, i);
for (guint j = 0; j < height; j++) {
memcpy (dst, src, width_in_bytes);
src += src_stride;
dst += dst_stride;
}
}
gst_video_frame_unmap (&frame);
return TRUE;
}
static gboolean
gst_wic_jpeg_dec_fill_rgb_output (GstWicJpegDec * self,
IWICImagingFactory * factory, IWICBitmapSource * source, GstBuffer * buffer)
{
ComPtr < IWICBitmap > bitmap;
ComPtr < IWICBitmapLock > bitmap_lock;
WICBitmapPlane plane;
HRESULT hr;
GstVideoFrame frame;
guint8 *src, *dst;
guint src_stride, dst_stride;
guint height, width_in_bytes;
hr = factory->CreateBitmapFromSource (source, WICBitmapCacheOnDemand,
&bitmap);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to create bitmap from source, hr: 0x%x",
(guint) hr);
return FALSE;
}
hr = gst_wic_lock_bitmap (bitmap.Get (), nullptr,
WICBitmapLockRead, &bitmap_lock, &plane);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to lock bitmap");
return FALSE;
}
if (!gst_video_frame_map (&frame, &self->info, buffer, GST_MAP_WRITE)) {
GST_ERROR_OBJECT (self, "Failed to map output buffer");
return FALSE;
}
src = plane.pbBuffer;
dst = (guint8 *) GST_VIDEO_FRAME_PLANE_DATA (&frame, 0);
src_stride = plane.cbStride;
dst_stride = GST_VIDEO_FRAME_PLANE_STRIDE (&frame, 0);
width_in_bytes =
GST_VIDEO_FRAME_COMP_WIDTH (&frame, 0) *
GST_VIDEO_FRAME_COMP_PSTRIDE (&frame, 0);
height = GST_VIDEO_FRAME_COMP_HEIGHT (&frame, 0);
for (guint i = 0; i < height; i++) {
memcpy (dst, src, width_in_bytes);
src += src_stride;
dst += dst_stride;
}
gst_video_frame_unmap (&frame);
return TRUE;
}
static void
gst_wic_jpeg_dec_update_output_state (GstWicJpegDec * self)
{
GstWicDecoder *wic = GST_WIC_DECODER (self);
GstVideoDecoder *vdec = GST_VIDEO_DECODER (self);
GstVideoCodecState *output_state;
GstVideoInfo *info = &self->info;
GstVideoInfo *output_info;
output_state = gst_video_decoder_get_output_state (vdec);
if (output_state) {
output_info = &output_state->info;
if (GST_VIDEO_INFO_FORMAT (output_info) == GST_VIDEO_INFO_FORMAT (info) &&
GST_VIDEO_INFO_WIDTH (output_info) == GST_VIDEO_INFO_WIDTH (info) &&
GST_VIDEO_INFO_HEIGHT (output_info) == GST_VIDEO_INFO_HEIGHT (info)) {
gst_video_codec_state_unref (output_state);
return;
}
gst_video_codec_state_unref (output_state);
}
output_state = gst_video_decoder_set_output_state (vdec,
GST_VIDEO_INFO_FORMAT (info), GST_VIDEO_INFO_WIDTH (info),
GST_VIDEO_INFO_HEIGHT (info), wic->input_state);
/* Update colorimetry and chroma-site if upstream is not specified */
if (GST_VIDEO_INFO_IS_YUV (info)) {
GstStructure *s = gst_caps_get_structure (wic->input_state->caps, 0);
if (wic->input_state->info.chroma_site == GST_VIDEO_CHROMA_SITE_UNKNOWN)
output_state->info.chroma_site = GST_VIDEO_CHROMA_SITE_NONE;
if (!gst_structure_get_string (s, "colorimetry")) {
output_state->info.colorimetry.range = GST_VIDEO_COLOR_RANGE_0_255;
output_state->info.colorimetry.matrix = GST_VIDEO_COLOR_MATRIX_BT601;
output_state->info.colorimetry.transfer = GST_VIDEO_TRANSFER_UNKNOWN;
output_state->info.colorimetry.primaries =
GST_VIDEO_COLOR_PRIMARIES_UNKNOWN;
}
}
gst_video_codec_state_unref (output_state);
gst_video_decoder_negotiate (vdec);
return;
}
static gboolean
gst_wic_jpeg_dec_set_format (GstWicDecoder * decoder,
GstVideoCodecState * state)
{
GstWicJpegDec *self = GST_WIC_JPEG_DEC (decoder);
gst_video_info_init (&self->info);
return TRUE;
}
static GstFlowReturn
gst_wic_jpeg_dec_process_output (GstWicDecoder * decoder,
IWICImagingFactory * factory, IWICBitmapFrameDecode * decode_frame,
GstVideoCodecFrame * frame)
{
GstVideoDecoder *vdec = GST_VIDEO_DECODER (decoder);
GstWicJpegDec *self = GST_WIC_JPEG_DEC (decoder);
GstVideoInfo *info = &decoder->input_state->info;
ComPtr < IWICBitmapSource > source;
ComPtr < IWICBitmapSource > input;
ComPtr < IWICPlanarBitmapSourceTransform > transform;
ComPtr < IWICJpegFrameDecode > jpeg_decode;
UINT width, height;
HRESULT hr;
guint out_width, out_height;
GstFlowReturn flow_ret;
gboolean rst;
WICJpegFrameHeader hdr;
hr = decode_frame->GetSize (&width, &height);
if (FAILED (hr)) {
GST_ERROR_OBJECT (decoder, "Failed to get size, hr: 0x%x", (guint) hr);
goto error;
}
hr = decode_frame->QueryInterface (IID_PPV_ARGS (&jpeg_decode));
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "IWICJpegFrameDecode interface is not supported");
goto error;
}
hr = jpeg_decode->GetFrameHeader (&hdr);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to get frame header, hr:0x%x", (guint) hr);
goto error;
}
/* JPEG may have interlaced stream, but WIC supports only single jpeg
* frame per run (other field may be dropped), configure scaler to
* workaround it */
if (width == info->width && 2 * height == info->height) {
ComPtr < IWICBitmapScaler > scaler;
GST_LOG_OBJECT (decoder,
"Need scale %dx%d -> %dx%d", width, height, info->width, info->height);
out_width = info->width;
out_height = info->height;
hr = factory->CreateBitmapScaler (&scaler);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to create scaler, hr: 0x%x", (guint) hr);
goto error;
}
hr = scaler->Initialize (decode_frame, out_width, out_height,
WICBitmapInterpolationModeHighQualityCubic);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Unable to initialize scaler, hr: 0x%x",
(guint) hr);
goto error;
}
scaler.As (&input);
} else {
out_width = width;
out_height = height;
input = decode_frame;
}
/* WIC JPEG decoder supports GRAY8, BGR and CMYK pixel formats as native
* output formats, and staring with Windows 8.1, YUV formats support was added.
* See also
* https://docs.microsoft.com/en-us/windows/win32/wic/-wic-codec-native-pixel-formats#jpeg-native-codec
* https://docs.microsoft.com/en-us/windows/win32/wic/jpeg-ycbcr-support
*
* This element will output the native pixel format if possible, but
* conversion will/should happen for 4:4:0 YUV or CMYK since we don't have any
* defined format for those formats
*/
rst = gst_wic_jpeg_dec_prepare_yuv_output (self,
&hdr, input.Get (), out_width, out_height, &transform);
if (!rst) {
rst = gst_wic_jpeg_dec_prepare_rgb_output (self, factory, input.Get (),
out_width, out_height, &source);
}
if (!rst)
goto error;
gst_wic_jpeg_dec_update_output_state (self);
flow_ret = gst_video_decoder_allocate_output_frame (vdec, frame);
if (flow_ret != GST_FLOW_OK) {
gst_video_decoder_release_frame (vdec, frame);
GST_INFO_OBJECT (self, "Unable to allocate output");
return flow_ret;
}
if (transform) {
rst = gst_wic_jpeg_dec_fill_yuv_output (self, factory, transform.Get (),
frame->output_buffer);
} else {
rst = gst_wic_jpeg_dec_fill_rgb_output (self, factory, source.Get (),
frame->output_buffer);
}
if (!rst)
goto error;
return gst_video_decoder_finish_frame (vdec, frame);
error:
gst_video_decoder_release_frame (vdec, frame);
return GST_FLOW_ERROR;
}

31
subprojects/gst-plugins-bad/sys/wic/gstwicjpegdec.h Normal file
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@ -0,0 +1,31 @@
/* 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.
*/
#pragma once
#include <gst/gst.h>
#include "gstwicdecoder.h"
G_BEGIN_DECLS
#define GST_TYPE_WIC_JPEG_DEC (gst_wic_jpeg_dec_get_type())
G_DECLARE_FINAL_TYPE (GstWicJpegDec, gst_wic_jpeg_dec,
GST, WIC_JPEG_DEC, GstWicDecoder);
G_END_DECLS

315
subprojects/gst-plugins-bad/sys/wic/gstwicpngdec.cpp Normal file
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/* 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-wicpngdec
* @title: wicpngdec
*
* This element decodes PNG compressed data into RAW video data.
*
* Since: 1.22
*
*/
#include "gstwicpngdec.h"
#include <wrl.h>
#include <string.h>
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
/* *INDENT-ON* */
GST_DEBUG_CATEGORY_STATIC (gst_wic_png_dec_debug);
#define GST_CAT_DEFAULT gst_wic_png_dec_debug
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("image/png")
);
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE
("{ RGBA64_LE, BGRA, RGBA, BGR, RGB, GRAY8, GRAY16_BE }"))
);
struct _GstWicPngDec
{
GstWicDecoder parent;
WICBitmapPlaneDescription plane_desc[GST_VIDEO_MAX_PLANES];
GstVideoInfo info;
};
static gboolean gst_wic_png_dec_set_format (GstWicDecoder * decoder,
GstVideoCodecState * state);
static GstFlowReturn gst_wic_png_dec_process_output (GstWicDecoder * decoder,
IWICImagingFactory * factory, IWICBitmapFrameDecode * decode_frame,
GstVideoCodecFrame * frame);
#define gst_wic_decoder_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstWicPngDec, gst_wic_png_dec, GST_TYPE_WIC_DECODER,
GST_DEBUG_CATEGORY_INIT (gst_wic_png_dec_debug,
"wicpngdec", 0, "wicpngdec"));
static void
gst_wic_png_dec_class_init (GstWicPngDecClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstWicDecoderClass *decoder_class = GST_WIC_DECODER_CLASS (klass);
gst_element_class_add_static_pad_template (element_class, &sink_template);
gst_element_class_add_static_pad_template (element_class, &src_template);
gst_element_class_set_static_metadata (element_class,
"Windows Imaging Component PNG decoder", "Codec/Decoder/Image",
"Png image decoder using Windows Imaging Component API",
"Seungha Yang <seungha@centricular.com>");
decoder_class->codec_id = GUID_ContainerFormatPng;
decoder_class->set_format = GST_DEBUG_FUNCPTR (gst_wic_png_dec_set_format);
decoder_class->process_output =
GST_DEBUG_FUNCPTR (gst_wic_png_dec_process_output);
}
static void
gst_wic_png_dec_init (GstWicPngDec * self)
{
gst_video_info_init (&self->info);
gst_video_decoder_set_packetized (GST_VIDEO_DECODER (self), TRUE);
}
static gboolean
gst_wic_png_dec_prepare_output (GstWicPngDec * self,
IWICImagingFactory * factory, IWICBitmapSource * input,
guint out_width, guint out_height, IWICBitmapSource ** source)
{
WICPixelFormatGUID native_pixel_format;
GstVideoFormat native_format = GST_VIDEO_FORMAT_UNKNOWN;
HRESULT hr;
ComPtr < IWICBitmapSource > output;
hr = input->GetPixelFormat (&native_pixel_format);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to query pixel format, hr: 0x%x",
(guint) hr);
return FALSE;
}
if (!gst_wic_pixel_format_to_gst (native_pixel_format, &native_format)) {
ComPtr < IWICFormatConverter > conv;
GST_LOG_OBJECT (self,
"Native format is not supported for output, needs conversion");
native_format = GST_VIDEO_FORMAT_BGRA;
if (IsEqualGUID (native_pixel_format, GUID_WICPixelFormat1bppIndexed)
|| IsEqualGUID (native_pixel_format, GUID_WICPixelFormat2bppIndexed)
|| IsEqualGUID (native_pixel_format, GUID_WICPixelFormat4bppIndexed)
|| IsEqualGUID (native_pixel_format, GUID_WICPixelFormat8bppIndexed)) {
/* palette, convert to BGRA */
native_format = GST_VIDEO_FORMAT_BGRA;
} else if (IsEqualGUID (native_pixel_format, GUID_WICPixelFormatBlackWhite)
|| IsEqualGUID (native_pixel_format, GUID_WICPixelFormat2bppGray)
|| IsEqualGUID (native_pixel_format, GUID_WICPixelFormat4bppGray)) {
/* gray scale */
native_format = GST_VIDEO_FORMAT_GRAY8;
} else if (IsEqualGUID (native_pixel_format, GUID_WICPixelFormat48bppRGB)) {
/* 16bits per channel RGB, do we have defined format? */
native_format = GST_VIDEO_FORMAT_RGBA64_LE;
}
if (!gst_wic_pixel_format_from_gst (native_format, &native_pixel_format)) {
GST_ERROR_OBJECT (self, "Failed to convert format to WIC");
return FALSE;
}
hr = factory->CreateFormatConverter (&conv);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to create converter");
return FALSE;
}
hr = conv->Initialize (input, native_pixel_format,
WICBitmapDitherTypeNone, nullptr, 0.0f, WICBitmapPaletteTypeCustom);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to initialize converter, hr: 0x%x",
(guint) hr);
return FALSE;
}
conv.As (&output);
} else {
output = input;
}
gst_video_info_set_format (&self->info, native_format, out_width, out_height);
*source = output.Detach ();
return TRUE;
}
static gboolean
gst_wic_png_dec_fill_output (GstWicPngDec * self,
IWICImagingFactory * factory, IWICBitmapSource * source, GstBuffer * buffer)
{
ComPtr < IWICBitmap > bitmap;
ComPtr < IWICBitmapLock > bitmap_lock;
WICBitmapPlane plane;
HRESULT hr;
GstVideoFrame frame;
guint8 *src, *dst;
guint src_stride, dst_stride;
guint height, width_in_bytes;
hr = factory->CreateBitmapFromSource (source, WICBitmapCacheOnDemand,
&bitmap);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to create bitmap from source, hr: 0x%x",
(guint) hr);
return FALSE;
}
hr = gst_wic_lock_bitmap (bitmap.Get (), nullptr,
WICBitmapLockRead, &bitmap_lock, &plane);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Failed to lock bitmap");
return FALSE;
}
if (!gst_video_frame_map (&frame, &self->info, buffer, GST_MAP_WRITE)) {
GST_ERROR_OBJECT (self, "Failed to map output buffer");
return FALSE;
}
src = plane.pbBuffer;
dst = (guint8 *) GST_VIDEO_FRAME_PLANE_DATA (&frame, 0);
src_stride = plane.cbStride;
dst_stride = GST_VIDEO_FRAME_PLANE_STRIDE (&frame, 0);
width_in_bytes =
GST_VIDEO_FRAME_COMP_WIDTH (&frame, 0) *
GST_VIDEO_FRAME_COMP_PSTRIDE (&frame, 0);
height = GST_VIDEO_FRAME_COMP_HEIGHT (&frame, 0);
for (guint i = 0; i < height; i++) {
memcpy (dst, src, width_in_bytes);
src += src_stride;
dst += dst_stride;
}
gst_video_frame_unmap (&frame);
return TRUE;
}
static void
gst_wic_png_dec_update_output_state (GstWicPngDec * self)
{
GstWicDecoder *wic = GST_WIC_DECODER (self);
GstVideoDecoder *vdec = GST_VIDEO_DECODER (self);
GstVideoCodecState *output_state;
GstVideoInfo *info = &self->info;
GstVideoInfo *output_info;
output_state = gst_video_decoder_get_output_state (vdec);
if (output_state) {
output_info = &output_state->info;
if (GST_VIDEO_INFO_FORMAT (output_info) == GST_VIDEO_INFO_FORMAT (info) &&
GST_VIDEO_INFO_WIDTH (output_info) == GST_VIDEO_INFO_WIDTH (info) &&
GST_VIDEO_INFO_HEIGHT (output_info) == GST_VIDEO_INFO_HEIGHT (info)) {
gst_video_codec_state_unref (output_state);
return;
}
gst_video_codec_state_unref (output_state);
}
output_state = gst_video_decoder_set_output_state (vdec,
GST_VIDEO_INFO_FORMAT (info), GST_VIDEO_INFO_WIDTH (info),
GST_VIDEO_INFO_HEIGHT (info), wic->input_state);
gst_video_codec_state_unref (output_state);
gst_video_decoder_negotiate (vdec);
return;
}
static gboolean
gst_wic_png_dec_set_format (GstWicDecoder * decoder, GstVideoCodecState * state)
{
GstWicPngDec *self = GST_WIC_PNG_DEC (decoder);
gst_video_info_init (&self->info);
return TRUE;
}
static GstFlowReturn
gst_wic_png_dec_process_output (GstWicDecoder * decoder,
IWICImagingFactory * factory, IWICBitmapFrameDecode * decode_frame,
GstVideoCodecFrame * frame)
{
GstVideoDecoder *vdec = GST_VIDEO_DECODER (decoder);
GstWicPngDec *self = GST_WIC_PNG_DEC (decoder);
ComPtr < IWICBitmapSource > source;
ComPtr < IWICPlanarBitmapSourceTransform > transform;
UINT width, height;
HRESULT hr;
GstFlowReturn flow_ret;
gboolean rst;
hr = decode_frame->GetSize (&width, &height);
if (FAILED (hr)) {
GST_ERROR_OBJECT (decoder, "Failed to get size, hr: 0x%x", (guint) hr);
goto error;
}
rst = gst_wic_png_dec_prepare_output (self, factory, decode_frame,
width, height, &source);
if (!rst)
goto error;
gst_wic_png_dec_update_output_state (self);
flow_ret = gst_video_decoder_allocate_output_frame (vdec, frame);
if (flow_ret != GST_FLOW_OK) {
gst_video_decoder_release_frame (vdec, frame);
GST_INFO_OBJECT (self, "Unable to allocate output");
return flow_ret;
}
rst = gst_wic_png_dec_fill_output (self, factory, source.Get (),
frame->output_buffer);
if (!rst)
goto error;
return gst_video_decoder_finish_frame (vdec, frame);
error:
gst_video_decoder_release_frame (vdec, frame);
return GST_FLOW_ERROR;
}

31
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/* 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.
*/
#pragma once
#include <gst/gst.h>
#include "gstwicdecoder.h"
G_BEGIN_DECLS
#define GST_TYPE_WIC_PNG_DEC (gst_wic_png_dec_get_type())
G_DECLARE_FINAL_TYPE (GstWicPngDec, gst_wic_png_dec,
GST, WIC_PNG_DEC, GstWicDecoder);
G_END_DECLS

123
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/* 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.
*/
#include "gstwicutils.h"
#include <wrl.h>
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
/* *INDENT-ON* */
GST_DEBUG_CATEGORY_EXTERN (gst_wic_utils_debug);
#define GST_CAT_DEFAULT gst_wic_utils_debug
static struct
{
WICPixelFormatGUID guid;
GstVideoFormat format;
} format_map[] = {
/* GRAY */
{GUID_WICPixelFormat8bppGray, GST_VIDEO_FORMAT_GRAY8},
{GUID_WICPixelFormat16bppGray, GST_VIDEO_FORMAT_GRAY16_LE},
/* RGB/BGR */
{GUID_WICPixelFormat24bppRGB, GST_VIDEO_FORMAT_RGB},
{GUID_WICPixelFormat24bppBGR, GST_VIDEO_FORMAT_BGR},
{GUID_WICPixelFormat32bppRGB, GST_VIDEO_FORMAT_RGBx},
{GUID_WICPixelFormat32bppBGR, GST_VIDEO_FORMAT_BGRx},
{GUID_WICPixelFormat32bppRGBA, GST_VIDEO_FORMAT_RGBA},
{GUID_WICPixelFormat32bppBGRA, GST_VIDEO_FORMAT_BGRA},
{GUID_WICPixelFormat64bppRGBA, GST_VIDEO_FORMAT_RGBA64_LE},
};
gboolean
gst_wic_pixel_format_to_gst (REFWICPixelFormatGUID guid,
GstVideoFormat * format)
{
g_return_val_if_fail (format != nullptr, FALSE);
*format = GST_VIDEO_FORMAT_UNKNOWN;
for (guint i = 0; i < G_N_ELEMENTS (format_map); i++) {
if (IsEqualGUID (format_map[i].guid, guid)) {
*format = format_map[i].format;
return TRUE;
}
}
return FALSE;
}
gboolean
gst_wic_pixel_format_from_gst (GstVideoFormat format, WICPixelFormatGUID * guid)
{
g_return_val_if_fail (guid != nullptr, FALSE);
*guid = GUID_WICPixelFormatUndefined;
for (guint i = 0; i < G_N_ELEMENTS (format_map); i++) {
if (format_map[i].format == format) {
*guid = format_map[i].guid;
return TRUE;
}
}
return FALSE;
}
HRESULT
gst_wic_lock_bitmap (IWICBitmap * bitmap, const WICRect * rect,
DWORD lock_flags, IWICBitmapLock ** bitmap_lock, WICBitmapPlane * plane)
{
ComPtr < IWICBitmapLock > lock;
HRESULT hr;
g_return_val_if_fail (bitmap != nullptr, E_INVALIDARG);
g_return_val_if_fail (bitmap_lock != nullptr, E_INVALIDARG);
g_return_val_if_fail (plane != nullptr, E_INVALIDARG);
hr = bitmap->Lock (rect, lock_flags, &lock);
if (FAILED (hr)) {
GST_ERROR ("Failed to lock plane hr: 0x%x", (guint) hr);
return hr;
}
hr = lock->GetStride (&plane->cbStride);
if (FAILED (hr)) {
GST_ERROR ("Failed get stride, hr: 0x%x", (guint) hr);
return hr;
}
hr = lock->GetDataPointer (&plane->cbBufferSize, &plane->pbBuffer);
if (FAILED (hr)) {
GST_ERROR ("Failed to get data pointer, hr: 0x%x", (guint) hr);
return hr;
}
hr = lock->GetPixelFormat (&plane->Format);
if (FAILED (hr)) {
GST_ERROR ("Failed to get pixel format, hr: 0x%x", (guint) hr);
return hr;
}
*bitmap_lock = lock.Detach ();
return S_OK;
}

53
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/* 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.
*/
#pragma once
#include <gst/gst.h>
#include <gst/video/video.h>
#include <windows.h>
#ifndef INITGUID
#include <initguid.h>
#endif
#include <wincodec.h>
#include <wincodecsdk.h>
G_BEGIN_DECLS
#define GST_WIC_CLEAR_COM(obj) G_STMT_START { \
if (obj) { \
(obj)->Release (); \
(obj) = NULL; \
} \
} G_STMT_END
gboolean gst_wic_pixel_format_to_gst (REFWICPixelFormatGUID guid,
GstVideoFormat * format);
gboolean gst_wic_pixel_format_from_gst (GstVideoFormat format,
WICPixelFormatGUID * guid);
HRESULT gst_wic_lock_bitmap (IWICBitmap * bitmap,
const WICRect * rect,
DWORD lock_flags,
IWICBitmapLock ** bitmap_lock,
WICBitmapPlane * plane);
G_END_DECLS

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subprojects/gst-plugins-bad/sys/wic/meson.build Normal file
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wic_sources = [
'gstwicdecoder.cpp',
'gstwicimagingfactory.cpp',
'gstwicjpegdec.cpp',
'gstwicpngdec.cpp',
'gstwicutils.cpp',
'plugin.cpp',
]
extra_args = []
wic_deps = []
wic_option = get_option('wic')
if host_system != 'windows' or mf_option.disabled()
subdir_done()
endif
if cc.get_id() != 'msvc'
if wic_option.enabled()
error('wic plugin can only be built with MSVC')
endif
subdir_done()
endif
windowscodecs_lib = cc.find_library('windowscodecs', required : mf_option)
have_wic = windowscodecs_lib.found() and cc.has_header('wincodec.h') and cc.has_header('wincodecsdk.h')
if not have_wic
if wic_option.enabled()
error('The wic plugin was enabled explicitly, but required libraries were not found.')
endif
subdir_done()
endif
wic_deps += [windowscodecs_lib]
win10_sdk = cxx.compiles('''#include <windows.h>
#ifndef WDK_NTDDI_VERSION
#error "unknown Windows SDK version"
#endif
#if (WDK_NTDDI_VERSION < 0x0A000000)
#error "Not a Windows 10 SDK"
#endif
''',
name: 'building with Windows 10 SDK')
if not win10_sdk
if wic_option.enabled()
error('wic plugin was enabled explicitly, but Windows 10 SDK is unavailable')
else
subdir_done()
endif
endif
building_for_win10 = cxx.compiles('''#include <windows.h>
#ifndef WINVER
#error "unknown minimum supported OS version"
#endif
#if (WINVER < 0x0A00)
#error "Windows 10 API is not guaranteed"
#endif
''',
name: 'building for Windows 10')
if not building_for_win10
message('Bumping target Windows version to Windows 10 for building wic plugin')
extra_args += ['-DWINVER=0x0A00', '-D_WIN32_WINNT=0x0A00', '-DNTDDI_VERSION=WDK_NTDDI_VERSION']
endif
gstwic = library('gstwic',
wic_sources,
c_args : gst_plugins_bad_args + extra_args,
cpp_args : gst_plugins_bad_args + extra_args,
include_directories : [configinc],
dependencies : [gstbase_dep, gstvideo_dep] + wic_deps,
install : true,
install_dir : plugins_install_dir,
)
pkgconfig.generate(gstwic, install_dir : plugins_pkgconfig_install_dir)
plugins += [gstwic]

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/* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include "gstwicimagingfactory.h"
#include "gstwicjpegdec.h"
#include "gstwicpngdec.h"
GST_DEBUG_CATEGORY (gst_wic_debug);
GST_DEBUG_CATEGORY (gst_wic_utils_debug);
#define GST_CAT_DEFAULT gst_wic_debug
static gboolean
plugin_init (GstPlugin * plugin)
{
GstWicImagingFactory *factory;
HRESULT hr;
GST_DEBUG_CATEGORY_INIT (gst_wic_debug,
"wic", 0, "Windows Imaging Component");
GST_DEBUG_CATEGORY_INIT (gst_wic_utils_debug, "wicutils", 0, "wicutils");
factory = gst_wic_imaging_factory_new ();
if (!factory)
return TRUE;
hr = gst_wic_imaging_factory_check_codec_support (factory,
TRUE, GUID_ContainerFormatJpeg);
if (SUCCEEDED (hr)) {
gst_element_register (plugin,
"wicjpegdec", GST_RANK_SECONDARY, GST_TYPE_WIC_JPEG_DEC);
} else {
GST_INFO_OBJECT (factory,
"Jpeg decoder is not supported, hr: 0x%x", (guint) hr);
}
hr = gst_wic_imaging_factory_check_codec_support (factory,
TRUE, GUID_ContainerFormatPng);
if (SUCCEEDED (hr)) {
gst_element_register (plugin,
"wicpngdec", GST_RANK_SECONDARY, GST_TYPE_WIC_PNG_DEC);
} else {
GST_INFO_OBJECT (factory,
"Png decoder is not supported, hr: 0x%x", (guint) hr);
}
gst_object_unref (factory);
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
wic,
"Windows Imaging Component (WIC) plugin",
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)