mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-14 05:12:09 +00:00
123 lines
3.4 KiB
C++
123 lines
3.4 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.
|
|
*/
|
|
|
|
#include "gstwicutils.h"
|
|
|
|
#include <wrl.h>
|
|
|
|
GST_DEBUG_CATEGORY_EXTERN (gst_wic_utils_debug);
|
|
#define GST_CAT_DEFAULT gst_wic_utils_debug
|
|
|
|
/* *INDENT-OFF* */
|
|
using namespace Microsoft::WRL;
|
|
|
|
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},
|
|
};
|
|
/* *INDENT-ON* */
|
|
|
|
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;
|
|
}
|