gstreamer/subprojects/gst-plugins-bad/sys/wic/gstwicjpegdec.cpp

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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-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;
}