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winscreencap: Remove trailing whitespaces

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1355>
This commit is contained in:
Seungha Yang 2020-06-19 21:43:15 +09:00 committed by GStreamer Merge Bot
parent 3dd2b6f20b
commit 4aa7d3d589
2 changed files with 16 additions and 16 deletions
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30
sys/winscreencap/dxgicapture.c
View file

@ -18,7 +18,7 @@
*/
/* This code captures the screen using "Desktop Duplication API".
* For more information
* For more information
* https://docs.microsoft.com/en-us/windows/win32/direct3ddxgi/desktop-dup-api */
#include "dxgicapture.h"
@ -62,8 +62,8 @@ typedef struct _DxgiCapture
ID3D11Texture2D *work_texture;
D3D11_TEXTURE2D_DESC work_texture_desc;
D3D11_VIEWPORT view_port;
/* Textures that can be read by the CPU.
* CPU-accessible textures are required separately from work_texture
/* Textures that can be read by the CPU.
* CPU-accessible textures are required separately from work_texture
* because shaders cannot be executed. */
ID3D11Texture2D *readable_texture;
ID3D11VertexShader *vertex_shader;
@ -78,7 +78,7 @@ typedef struct _DxgiCapture
guint8 *pointer_buffer;
gsize pointer_buffer_capacity;
/* The movement rectangular regions and the movement
/* The movement rectangular regions and the movement
* destination position from the previous frame. */
DXGI_OUTDUPL_MOVE_RECT *move_rects;
gsize move_rects_capacity;
@ -382,7 +382,7 @@ dxgicap_acquire_next_frame (DxgiCapture * self, gboolean show_cursor,
hr = IDXGIOutputDuplication_AcquireNextFrame (self->dxgi_dupl,
timeout, &frame_info, &desktop_resource);
if (hr == DXGI_ERROR_WAIT_TIMEOUT) {
/* In case of DXGI_ERROR_WAIT_TIMEOUT,
/* In case of DXGI_ERROR_WAIT_TIMEOUT,
* it has not changed from the last time. */
GST_LOG_OBJECT (src, "DXGI_ERROR_WAIT_TIMEOUT");
ret = TRUE;
@ -532,7 +532,7 @@ _draw_pointer (DxgiCapture * self, PBYTE buffer, LPRECT dst_rect, int stride)
return;
}
/* Draw a pointer if it overlaps the destination rectangle range.
/* Draw a pointer if it overlaps the destination rectangle range.
* There are three ways to draw the mouse cursor.
* see https://docs.microsoft.com/ja-jp/windows/win32/api/dxgi1_2/ne-dxgi1_2-dxgi_outdupl_pointer_shape_type */
offset_x = clip_pointer_rect.left - pointer_rect.left;
@ -563,7 +563,7 @@ _draw_pointer (DxgiCapture * self, PBYTE buffer, LPRECT dst_rect, int stride)
int i;
for (i = 0; i < 3; ++i) {
if (mask_mode) {
/* case DXGI_OUTDUPL_POINTER_SHAPE_TYPE_MASKED_COLOR:
/* case DXGI_OUTDUPL_POINTER_SHAPE_TYPE_MASKED_COLOR:
* If the alpha channel of a pixel in the mouse image is 0, copy it.
* Otherwise, xor each pixel. */
if (0 == alpha) {
@ -572,7 +572,7 @@ _draw_pointer (DxgiCapture * self, PBYTE buffer, LPRECT dst_rect, int stride)
*p1 = *p2 ^ *p1;
}
} else {
/* case DXGI_OUTDUPL_POINTER_SHAPE_TYPE_COLOR:
/* case DXGI_OUTDUPL_POINTER_SHAPE_TYPE_COLOR:
* Copies the mouse cursor image with alpha channel composition. */
*p1 = min (255, max (0, *p1 + ((*p2 - *p1) * alpha / 255)));
}
@ -586,12 +586,12 @@ _draw_pointer (DxgiCapture * self, PBYTE buffer, LPRECT dst_rect, int stride)
} else if (DXGI_OUTDUPL_POINTER_SHAPE_TYPE_MONOCHROME ==
self->pointer_shape_info.Type) {
guint mask_bit = 0x80;
/* AND MASK pointer
/* AND MASK pointer
* It is stored in 1 bit per pixel from the beginning. */
PBYTE p_src_and =
(PBYTE) self->pointer_buffer +
(offset_y * self->pointer_shape_info.Pitch);
/* XOR MASK pointer
/* XOR MASK pointer
* The XOR MASK is stored after the AND mask. */
PBYTE p_src_xor =
(PBYTE) self->pointer_buffer +
@ -700,7 +700,7 @@ _setup_texture (DxgiCapture * self)
return TRUE;
}
/* Update work_texture to the latest desktop frame from the update information
/* Update work_texture to the latest desktop frame from the update information
* that can be obtained from IDXGIOutputDuplication.
* Then copy to readable_texture.
*/
@ -726,7 +726,7 @@ _update_work_texture (DxgiCapture * self, IDXGIResource * desktop_resource)
(void **) &desktop_texture);
HR_FAILED_GOTO (hr, IDXGIResource::QueryInterface, end);
/* Get the rectangular regions that was moved from the last time.
/* Get the rectangular regions that was moved from the last time.
* However, I have never obtained a valid value in GetFrameMoveRects.
* It seems to depend on the implementation of the GPU driver.
* see https://docs.microsoft.com/en-us/windows/win32/api/dxgi1_2/nf-dxgi1_2-idxgioutputduplication-getframemoverects
@ -748,8 +748,8 @@ _update_work_texture (DxgiCapture * self, IDXGIResource * desktop_resource)
move_count = required_size / sizeof (DXGI_OUTDUPL_MOVE_RECT);
dirty_rects_capacity_size = sizeof (RECT) * self->dirty_rects_capacity;
/* Gets the rectangular regions that has changed since the last time.
see https://docs.microsoft.com/en-us/windows/win32/api/dxgi1_2/nf-dxgi1_2-idxgioutputduplication-getframedirtyrects
/* Gets the rectangular regions that has changed since the last time.
see https://docs.microsoft.com/en-us/windows/win32/api/dxgi1_2/nf-dxgi1_2-idxgioutputduplication-getframedirtyrects
*/
hr = IDXGIOutputDuplication_GetFrameDirtyRects (self->dxgi_dupl,
dirty_rects_capacity_size, self->dirty_rects, &required_size);
@ -915,7 +915,7 @@ _copy_dirty_fragment (DxgiCapture * self, ID3D11Texture2D * src_texture,
/* Create a vertex buffer to move and rotate from the move_rects.
* And set the rectangular region to be copied to readable_texture. */
for (i = 0; i < move_count; ++i) {
/* Copy the area to be moved.
/* Copy the area to be moved.
* The source of the move is included in dirty_rects. */
_set_verteces (self, vp, dst_rect_p, &self->work_texture_desc,
&(self->move_rects[i].DestinationRect), src_desc);

2
sys/winscreencap/meson.build
View file

@ -19,7 +19,7 @@ d3d11_dep = cc.find_library('d3d11', required : false)
dxgi_lib_dep = cc.find_library('dxgi', required : false)
d3d_compile_dep = cc.find_library('d3dcompiler', required : false)
windowscodecs_dep = cc.find_library('windowscodecs', required : false)
dxguid_dep = cc.find_library('dxguid', required : false)
dxguid_dep = cc.find_library('dxguid', required : false)
have_d3d11_h = cc.has_header('d3d11.h')
have_dxgi_h = cc.has_header('dxgi1_2.h')