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Add image source plugin

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A simple plugin that does nothing more than display an image file as a
source.
This commit is contained in:
jp9000 2014-06-27 15:37:04 -07:00
parent bcd8d5d346
commit cf0b8be3a2
6 changed files with 350 additions and 0 deletions
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1
plugins/CMakeLists.txt
View File

@ -14,6 +14,7 @@ elseif("${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
add_subdirectory(linux-v4l2)
endif()
add_subdirectory(image-source)
add_subdirectory(obs-x264)
add_subdirectory(obs-libfdk)
add_subdirectory(obs-ffmpeg)

11
plugins/image-source/CMakeLists.txt Normal file
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@ -0,0 +1,11 @@
project(image-source)
set(image-source_SOURCES
image-source.c)
add_library(image-source MODULE
${image-source_SOURCES})
target_link_libraries(image-source
libobs)
install_obs_plugin(image-source)

131
plugins/image-source/image-source.c Normal file
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@ -0,0 +1,131 @@
#include <obs-module.h>
#define warn(format, ...) \
blog(LOG_WARNING, "[image_source: '%s'] " format, \
obs_source_getname(context->source), ##__VA_ARGS__)
struct image_source {
obs_source_t source;
texture_t tex;
uint32_t cx;
uint32_t cy;
};
static const char *image_source_get_name(void)
{
/* TODO: locale */
return "Image";
}
static void image_source_update(void *data, obs_data_t settings)
{
struct image_source *context = data;
const char *file = obs_data_getstring(settings, "file");
gs_entercontext(obs_graphics());
if (context->tex) {
texture_destroy(context->tex);
context->tex = NULL;
}
if (file) {
context->tex = gs_create_texture_from_file(file);
if (context->tex) {
context->cx = texture_getwidth(context->tex);
context->cy = texture_getheight(context->tex);
} else {
warn("failed to load texture '%s'", file);
context->cx = 0;
context->cy = 0;
}
}
gs_leavecontext();
}
static void *image_source_create(obs_data_t settings, obs_source_t source)
{
struct image_source *context = bzalloc(sizeof(struct image_source));
context->source = source;
image_source_update(context, settings);
return context;
}
static void image_source_destroy(void *data)
{
struct image_source *context = data;
gs_entercontext(obs_graphics());
texture_destroy(context->tex);
gs_leavecontext();
bfree(context);
}
static uint32_t image_source_getwidth(void *data)
{
struct image_source *context = data;
return context->cx;
}
static uint32_t image_source_getheight(void *data)
{
struct image_source *context = data;
return context->cy;
}
static void image_source_render(void *data, effect_t effect)
{
struct image_source *context = data;
if (!context->tex)
return;
effect_settexture(effect_getparambyname(effect, "image"), context->tex);
gs_draw_sprite(context->tex, 0, context->cx, context->cy);
}
static const char *image_filter =
"All formats (*.bmp *.tga *.png *.jpeg *.jpg *.gif);;"
"BMP Files (*.bmp);;"
"Targa Files (*.tga);;"
"PNG Files (*.png);;"
"JPEG Files (*.jpeg *.jpg);;"
"GIF Files (*.gif)";
static obs_properties_t image_source_properties(void)
{
obs_properties_t props = obs_properties_create();
/* TODO: locale */
obs_properties_add_path(props, "file", "Image file", OBS_PATH_FILE,
image_filter, NULL);
return props;
}
static struct obs_source_info image_source_info = {
.id = "image_source",
.type = OBS_SOURCE_TYPE_INPUT,
.output_flags = OBS_SOURCE_VIDEO,
.getname = image_source_get_name,
.create = image_source_create,
.destroy = image_source_destroy,
.update = image_source_update,
.getwidth = image_source_getwidth,
.getheight = image_source_getheight,
.video_render = image_source_render,
.properties = image_source_properties
};
OBS_DECLARE_MODULE()
bool obs_module_load(uint32_t libobs_version)
{
obs_register_source(&image_source_info);
UNUSED_PARAMETER(libobs_version);
return true;
}

14
vs/2013/OBS.sln
View File

@ -78,6 +78,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "win-dshow", "win-dshow\win-
{6F1AC2AE-6424-401A-AF9F-A771E6BEE026} = {6F1AC2AE-6424-401A-AF9F-A771E6BEE026}
EndProjectSection
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "image-source", "image-source\image-source.vcxproj", "{49B9AB5A-4CF2-4AC8-84EC-CD9E537C65DE}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Mixed Platforms = Debug|Mixed Platforms
@ -280,6 +282,18 @@ Global
{E733E9CB-EA71-4E77-BD28-2D06F4AA4677}.Release|Win32.Build.0 = Release|Win32
{E733E9CB-EA71-4E77-BD28-2D06F4AA4677}.Release|x64.ActiveCfg = Release|x64
{E733E9CB-EA71-4E77-BD28-2D06F4AA4677}.Release|x64.Build.0 = Release|x64
{49B9AB5A-4CF2-4AC8-84EC-CD9E537C65DE}.Debug|Mixed Platforms.ActiveCfg = Debug|Win32
{49B9AB5A-4CF2-4AC8-84EC-CD9E537C65DE}.Debug|Mixed Platforms.Build.0 = Debug|Win32
{49B9AB5A-4CF2-4AC8-84EC-CD9E537C65DE}.Debug|Win32.ActiveCfg = Debug|Win32
{49B9AB5A-4CF2-4AC8-84EC-CD9E537C65DE}.Debug|Win32.Build.0 = Debug|Win32
{49B9AB5A-4CF2-4AC8-84EC-CD9E537C65DE}.Debug|x64.ActiveCfg = Debug|x64
{49B9AB5A-4CF2-4AC8-84EC-CD9E537C65DE}.Debug|x64.Build.0 = Debug|x64
{49B9AB5A-4CF2-4AC8-84EC-CD9E537C65DE}.Release|Mixed Platforms.ActiveCfg = Release|Win32
{49B9AB5A-4CF2-4AC8-84EC-CD9E537C65DE}.Release|Mixed Platforms.Build.0 = Release|Win32
{49B9AB5A-4CF2-4AC8-84EC-CD9E537C65DE}.Release|Win32.ActiveCfg = Release|Win32
{49B9AB5A-4CF2-4AC8-84EC-CD9E537C65DE}.Release|Win32.Build.0 = Release|Win32
{49B9AB5A-4CF2-4AC8-84EC-CD9E537C65DE}.Release|x64.ActiveCfg = Release|x64
{49B9AB5A-4CF2-4AC8-84EC-CD9E537C65DE}.Release|x64.Build.0 = Release|x64
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE

171
vs/2013/image-source/image-source.vcxproj Normal file
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@ -0,0 +1,171 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{49B9AB5A-4CF2-4AC8-84EC-CD9E537C65DE}</ProjectGuid>
<Keyword>Win32Proj</Keyword>
<RootNamespace>imagesource</RootNamespace>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
<ConfigurationType>DynamicLibrary</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<PlatformToolset>v120</PlatformToolset>
<CharacterSet>Unicode</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
<ConfigurationType>DynamicLibrary</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<PlatformToolset>v120</PlatformToolset>
<CharacterSet>Unicode</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
<ConfigurationType>DynamicLibrary</ConfigurationType>
<UseDebugLibraries>false</UseDebugLibraries>
<PlatformToolset>v120</PlatformToolset>
<WholeProgramOptimization>true</WholeProgramOptimization>
<CharacterSet>Unicode</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
<ConfigurationType>DynamicLibrary</ConfigurationType>
<UseDebugLibraries>false</UseDebugLibraries>
<PlatformToolset>v120</PlatformToolset>
<WholeProgramOptimization>true</WholeProgramOptimization>
<CharacterSet>Unicode</CharacterSet>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
<ImportGroup Label="ExtensionSettings">
</ImportGroup>
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
</ImportGroup>
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
</ImportGroup>
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
</ImportGroup>
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
</ImportGroup>
<PropertyGroup Label="UserMacros" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<LinkIncremental>true</LinkIncremental>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
<LinkIncremental>true</LinkIncremental>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<LinkIncremental>false</LinkIncremental>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
<LinkIncremental>false</LinkIncremental>
</PropertyGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<ClCompile>
<PrecompiledHeader>
</PrecompiledHeader>
<WarningLevel>Level3</WarningLevel>
<Optimization>Disabled</Optimization>
<PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;IMAGESOURCE_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalIncludeDirectories>../../../libobs</AdditionalIncludeDirectories>
</ClCompile>
<Link>
<SubSystem>Windows</SubSystem>
<GenerateDebugInformation>true</GenerateDebugInformation>
<AdditionalDependencies>libobs.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalLibraryDirectories>$(OutDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
</Link>
<PostBuildEvent>
<Command>copy "$(OutDir)$(TargetName)$(TargetExt)" "../../../build/obs-plugins/32bit/$(TargetName)$(TargetExt)"</Command>
</PostBuildEvent>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
<ClCompile>
<PrecompiledHeader>
</PrecompiledHeader>
<WarningLevel>Level3</WarningLevel>
<Optimization>Disabled</Optimization>
<PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;IMAGESOURCE_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalIncludeDirectories>../../../libobs</AdditionalIncludeDirectories>
</ClCompile>
<Link>
<SubSystem>Windows</SubSystem>
<GenerateDebugInformation>true</GenerateDebugInformation>
<AdditionalDependencies>libobs.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalLibraryDirectories>$(OutDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
</Link>
<PostBuildEvent>
<Command>copy "$(OutDir)$(TargetName)$(TargetExt)" "../../../build/obs-plugins/64bit/$(TargetName)$(TargetExt)"</Command>
</PostBuildEvent>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<ClCompile>
<WarningLevel>Level3</WarningLevel>
<PrecompiledHeader>
</PrecompiledHeader>
<Optimization>MaxSpeed</Optimization>
<FunctionLevelLinking>true</FunctionLevelLinking>
<IntrinsicFunctions>true</IntrinsicFunctions>
<PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;IMAGESOURCE_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalIncludeDirectories>../../../libobs</AdditionalIncludeDirectories>
</ClCompile>
<Link>
<SubSystem>Windows</SubSystem>
<GenerateDebugInformation>true</GenerateDebugInformation>
<EnableCOMDATFolding>true</EnableCOMDATFolding>
<OptimizeReferences>true</OptimizeReferences>
<AdditionalDependencies>libobs.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalLibraryDirectories>$(OutDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
</Link>
<PostBuildEvent>
<Command>copy "$(OutDir)$(TargetName)$(TargetExt)" "../../../build/obs-plugins/32bit/$(TargetName)$(TargetExt)"</Command>
</PostBuildEvent>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
<ClCompile>
<WarningLevel>Level3</WarningLevel>
<PrecompiledHeader>
</PrecompiledHeader>
<Optimization>MaxSpeed</Optimization>
<FunctionLevelLinking>true</FunctionLevelLinking>
<IntrinsicFunctions>true</IntrinsicFunctions>
<PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;IMAGESOURCE_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalIncludeDirectories>../../../libobs</AdditionalIncludeDirectories>
</ClCompile>
<Link>
<SubSystem>Windows</SubSystem>
<GenerateDebugInformation>true</GenerateDebugInformation>
<EnableCOMDATFolding>true</EnableCOMDATFolding>
<OptimizeReferences>true</OptimizeReferences>
<AdditionalDependencies>libobs.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalLibraryDirectories>$(OutDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
</Link>
<PostBuildEvent>
<Command>copy "$(OutDir)$(TargetName)$(TargetExt)" "../../../build/obs-plugins/64bit/$(TargetName)$(TargetExt)"</Command>
</PostBuildEvent>
</ItemDefinitionGroup>
<ItemGroup>
<ClCompile Include="..\..\..\plugins\image-source\image-source.c" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
</ImportGroup>
</Project>

22
vs/2013/image-source/image-source.vcxproj.filters Normal file
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@ -0,0 +1,22 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
<Filter Include="Source Files">
<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
<Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
</Filter>
<Filter Include="Header Files">
<UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
<Extensions>h;hh;hpp;hxx;hm;inl;inc;xsd</Extensions>
</Filter>
<Filter Include="Resource Files">
<UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
<Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
</Filter>
</ItemGroup>
<ItemGroup>
<ClCompile Include="..\..\..\plugins\image-source\image-source.c">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
</Project>