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体验新版 GitCode,发现更多精彩内容 >>
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4fd4b12c
编写于
1月 17, 2014
作者:
P
Palana
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电子邮件补丁
差异文件
Add example monitor capture for OSX (need to clean up (CMake) files)
上级
62c2b1d7
变更
6
隐藏空白更改
内联
并排
Showing
6 changed file
with
259 addition
and
5 deletion
+259
-5
CMakeLists.txt
CMakeLists.txt
+2
-2
build/data/obs-plugins/test-input/draw_rect.effect
build/data/obs-plugins/test-input/draw_rect.effect
+35
-0
test/test-input/CMakeLists.txt
test/test-input/CMakeLists.txt
+13
-2
test/test-input/test-desktop.h
test/test-input/test-desktop.h
+34
-0
test/test-input/test-desktop.m
test/test-input/test-desktop.m
+174
-0
test/test-input/test-input.c
test/test-input/test-input.c
+1
-1
未找到文件。
CMakeLists.txt
浏览文件 @
4fd4b12c
...
...
@@ -47,6 +47,6 @@ endif()
set
(
LIBRARY_OUTPUT_PATH
${
obs_BINARY_DIR
}
/plugins
)
set
(
RUNTIME_OUTPUT_PATH
${
obs_BINARY_DIR
}
/plugins
)
add_subdirectory
(
obs
)
add_subdirectory
(
test
)
add_subdirectory
(
obs
)
build/data/obs-plugins/test-input/draw_rect.effect
0 → 100644
浏览文件 @
4fd4b12c
uniform float4x4 ViewProj;
uniform texture_rect diffuse;
sampler_state texSampler {
AddressU = Clamp;
AddressV = Clamp;
Filter = Linear;
};
struct VertexInOut {
float4 pos : POSITION;
float2 uv : TEXCOORD0;
};
VertexInOut VShader(VertexInOut vert_in)
{
VertexInOut vert_out;
vert_out.pos = mul(float4(vert_in.pos.xyz, 1.0), ViewProj);
vert_out.uv = vert_in.uv;
return vert_out;
}
float4 PShader(VertexInOut fragment_in) : TARGET
{
return diffuse.Sample(texSampler, fragment_in.uv);
}
technique Default
{
pass
{
vertex_shader = VShader(vert_in);
pixel_shader = PShader(fragment_in);
}
}
test/test-input/CMakeLists.txt
浏览文件 @
4fd4b12c
include_directories
(
SYSTEM
${
obs_SOURCE_DIR
}
/libobs
)
add_library
(
test-input MODULE
test-desktop.m
test-filter.c
test-input.c
test-sinewave.c
test-random.c
)
set_source_files_properties
(
test-desktop.m
PROPERTIES LANGUAGE C
COMPILE_FLAGS
"-fobjc-arc"
)
find_library
(
IOSURF IOSurface
)
target_link_libraries
(
test-input
libobs
)
libobs
${
IOSURF
}
)
obs_add_plugin
(
test-input
)
obs_add_data_source
(
/data/obs-plugins/test-input/
${
obs_SOURCE_DIR
}
/build/data/obs-plugins/test-input/draw_rect.effect
${
obs_SOURCE_DIR
}
/build/data/obs-plugins/test-input/draw.effect
${
obs_SOURCE_DIR
}
/build/data/obs-plugins/test-input/test.effect
)
${
obs_SOURCE_DIR
}
/build/data/obs-plugins/test-input/test.effect
)
test/test-input/test-desktop.h
0 → 100644
浏览文件 @
4fd4b12c
#pragma once
#include "obs.h"
#import <CoreGraphics/CGDisplayStream.h>
#include <util/darray.h>
#ifdef __cplusplus
extern
"C"
{
#endif
struct
desktop_tex
{
samplerstate_t
sampler
;
effect_t
whatever
;
CGDisplayStreamRef
disp
;
uint32_t
width
,
height
;
};
EXPORT
const
char
*
desktop_getname
(
const
char
*
locale
);
EXPORT
struct
desktop_tex
*
desktop_create
(
const
char
*
settings
,
obs_source_t
source
);
EXPORT
void
desktop_destroy
(
struct
desktop_tex
*
rt
);
EXPORT
uint32_t
desktop_get_output_flags
(
struct
desktop_tex
*
rt
);
EXPORT
void
desktop_video_tick
(
struct
desktop_tex
*
rt
,
float
dt
);
EXPORT
void
desktop_video_render
(
struct
desktop_tex
*
rt
,
obs_source_t
filter_target
);
EXPORT
uint32_t
desktop_getwidth
(
struct
desktop_tex
*
rt
);
EXPORT
uint32_t
desktop_getheight
(
struct
desktop_tex
*
rt
);
#ifdef __cplusplus
}
#endif
test/test-input/test-desktop.m
0 → 100644
浏览文件 @
4fd4b12c
#include
<stdlib.h>
#include "test-desktop.h"
#import
<Cocoa
/
Cocoa.h
>
#import
<AppKit
/
AppKit.h
>
#import
<OpenGL
/
OpenGL.h
>
#import
<OpenGL
/
CGLIOSurface.h
>
#import
<OpenGL
/
CGLMacro.h
>
#import
<CoreGraphics
/
CGDisplayStream.h
>
#include
<pthread.h>
const char *desktop_getname(const char *locale)
{
return "OSX Monitor Capture";
}
static IOSurfaceRef current = NULL,
prev = NULL;
static texture_t tex = NULL;
static pthread_mutex_t c_mutex;
struct desktop_tex *desktop_create(const char *settings, obs_source_t source)
{
struct desktop_tex *rt = bmalloc(sizeof(struct desktop_tex));
char *effect_file;
memset(rt, 0, sizeof(struct desktop_tex));
gs_entercontext(obs_graphics());
struct gs_sampler_info info = {
.filter = GS_FILTER_LINEAR,
.address_u = GS_ADDRESS_CLAMP,
.address_v = GS_ADDRESS_CLAMP,
.address_w = GS_ADDRESS_CLAMP,
.max_anisotropy = 1,
};
rt->sampler = gs_create_samplerstate(
&info);
effect_file = obs_find_plugin_file("test-input/draw_rect.effect");
rt->whatever = gs_create_effect_from_file(effect_file, NULL);
bfree(effect_file);
if (!rt->whatever) {
desktop_destroy(rt);
return NULL;
}
if ([[NSScreen screens] count]
<
1)
{
desktop_destroy
(
rt
);
return
NULL
;
}
NSScreen
*screen =
[NSScreen
screens
][0];
NSRect
frame =
[screen
convertRectToBacking:
[
screen
frame
]];
rt-
>
width = frame.size.width;
rt->height = frame.size.height;
printf("%u %u\n", rt->width, rt->height);
pthread_mutex_init(
&
c_mutex, NULL);
NSDictionary *dict = @{
(__bridge NSString*)kCGDisplayStreamSourceRect:
(__bridge NSDictionary*)CGRectCreateDictionaryRepresentation(
CGRectMake(0, 0, rt->width, rt->height)),
(__bridge NSString*)kCGDisplayStreamQueueDepth: @5
};
rt->disp = CGDisplayStreamCreateWithDispatchQueue(CGMainDisplayID(),
rt->width, rt->height, 'BGRA',
(__bridge CFDictionaryRef)dict,
dispatch_queue_create("dispstream", NULL),
^(CGDisplayStreamFrameStatus status, uint64_t
displayTime, IOSurfaceRef frameSurface,
CGDisplayStreamUpdateRef updateRef)
{
if (!frameSurface ||
pthread_mutex_trylock(
&
c_mutex))
return;
if (current) {
IOSurfaceDecrementUseCount(current);
CFRelease(current);
current = NULL;
}
current = frameSurface;
CFRetain(current);
IOSurfaceIncrementUseCount(current);
pthread_mutex_unlock(
&c_mutex);
}
);
gs_leavecontext();
if (CGDisplayStreamStart(rt->disp)) {
desktop_destroy(rt);
return NULL;
}
return rt;
}
void desktop_destroy(struct desktop_tex *rt)
{
if (rt) {
pthread_mutex_lock(
&c_mutex);
gs_entercontext(obs_graphics());
if (current) {
IOSurfaceDecrementUseCount(current);
CFRelease(current);
}
if (rt->sampler)
samplerstate_destroy(rt->sampler);
if (tex)
texture_destroy(tex);
CGDisplayStreamStop(rt->disp);
effect_destroy(rt->whatever);
bfree(rt);
gs_leavecontext();
pthread_mutex_unlock(
&c_mutex);
}
}
uint32_t desktop_get_output_flags(struct desktop_tex *rt)
{
return SOURCE_VIDEO;
}
void desktop_video_render(struct desktop_tex *rt, obs_source_t filter_target)
{
pthread_mutex_lock(
&c_mutex);
if (prev != current) {
if (tex)
texture_rebind_iosurface(tex, current);
else
tex = gs_create_texture_from_iosurface(current);
prev = current;
}
if (!tex) goto fail;
gs_load_samplerstate(rt->sampler, 0);
technique_t tech = effect_gettechnique(rt->whatever, "Default");
effect_settexture(rt->whatever, effect_getparambyidx(rt->whatever, 1),
tex);
technique_begin(tech);
technique_beginpass(tech, 0);
gs_draw_sprite(tex, 0, 0, 0);
technique_endpass(tech);
technique_end(tech);
fail:
pthread_mutex_unlock(
&c_mutex);
}
uint32_t desktop_getwidth(struct desktop_tex *rt)
{
return rt->width;
}
uint32_t desktop_getheight(struct desktop_tex *rt)
{
return rt->height;
}
test/test-input/test-input.c
浏览文件 @
4fd4b12c
#include <obs.h>
#include "test-input-exports.h"
const
char
*
inputs
[]
=
{
"random"
,
"sinewave"
};
const
char
*
inputs
[]
=
{
"
desktop"
,
"
random"
,
"sinewave"
};
const
char
*
filters
[]
=
{
"test"
};
uint32_t
module_version
(
uint32_t
in_version
)
...
...
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