Initial import
This commit is contained in:
commit
d389fbd6d5
5 changed files with 406 additions and 0 deletions
112
.clang-format
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112
.clang-format
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---
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AccessModifierOffset: -4
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AlignAfterOpenBracket: Align
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AlignConsecutiveAssignments: false
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AlignConsecutiveDeclarations: false
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AlignEscapedNewlines: Left
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AlignOperands: true
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AlignTrailingComments: true
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AllowAllParametersOfDeclarationOnNextLine: false
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AllowShortBlocksOnASingleLine: false
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AllowShortCaseLabelsOnASingleLine: false
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AllowShortFunctionsOnASingleLine: None
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AllowShortIfStatementsOnASingleLine: false
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AllowShortLoopsOnASingleLine: false
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AlwaysBreakAfterDefinitionReturnType: None
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AlwaysBreakAfterReturnType: None
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AlwaysBreakBeforeMultilineStrings: false
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AlwaysBreakTemplateDeclarations: false
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BinPackArguments: true
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BinPackParameters: true
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BraceWrapping:
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AfterClass: false
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AfterControlStatement: false
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AfterEnum: false
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AfterFunction: true
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AfterNamespace: true
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AfterObjCDeclaration: false
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AfterStruct: false
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AfterUnion: false
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AfterExternBlock: false
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BeforeCatch: false
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BeforeElse: false
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IndentBraces: false
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SplitEmptyFunction: true
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SplitEmptyRecord: true
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SplitEmptyNamespace: true
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BreakBeforeBinaryOperators: None
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BreakBeforeBraces: Custom
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BreakBeforeInheritanceComma: false
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BreakBeforeTernaryOperators: false
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BreakConstructorInitializersBeforeComma: false
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BreakConstructorInitializers: BeforeComma
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BreakAfterJavaFieldAnnotations: false
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BreakStringLiterals: false
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ColumnLimit: 100
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CommentPragmas: '^ IWYU pragma:'
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CompactNamespaces: false
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ConstructorInitializerAllOnOneLineOrOnePerLine: false
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ConstructorInitializerIndentWidth: 4
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ContinuationIndentWidth: 4
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Cpp11BracedListStyle: false
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DerivePointerAlignment: false
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DisableFormat: false
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ExperimentalAutoDetectBinPacking: false
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FixNamespaceComments: false
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ForEachMacros:
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- 'for_each'
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IncludeBlocks: Preserve
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IncludeCategories:
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- Regex: '.*'
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Priority: 1
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IncludeIsMainRegex: '(Test)?$'
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IndentCaseLabels: false
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IndentGotoLabels: false
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IndentPPDirectives: None
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IndentWidth: 4
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IndentWrappedFunctionNames: false
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JavaScriptQuotes: Leave
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JavaScriptWrapImports: true
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KeepEmptyLinesAtTheStartOfBlocks: false
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MacroBlockBegin: ''
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MacroBlockEnd: ''
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MaxEmptyLinesToKeep: 1
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NamespaceIndentation: None
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ObjCBinPackProtocolList: Auto
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ObjCBlockIndentWidth: 4
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ObjCSpaceAfterProperty: true
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ObjCSpaceBeforeProtocolList: true
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# Taken from git's rules
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PenaltyBreakAssignment: 10
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PenaltyBreakBeforeFirstCallParameter: 30
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PenaltyBreakComment: 10
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PenaltyBreakFirstLessLess: 0
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PenaltyBreakString: 10
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PenaltyExcessCharacter: 100
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PenaltyReturnTypeOnItsOwnLine: 60
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PointerAlignment: Right
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ReflowComments: false
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SortIncludes: false
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SortUsingDeclarations: false
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SpaceAfterCStyleCast: false
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SpaceAfterTemplateKeyword: true
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SpaceBeforeAssignmentOperators: true
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SpaceBeforeCtorInitializerColon: true
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SpaceBeforeInheritanceColon: true
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SpaceBeforeParens: ControlStatementsExceptForEachMacros
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SpaceBeforeRangeBasedForLoopColon: true
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SpaceInEmptyParentheses: false
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SpacesBeforeTrailingComments: 1
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SpacesInAngles: false
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SpacesInContainerLiterals: false
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SpacesInCStyleCastParentheses: false
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SpacesInParentheses: false
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SpacesInSquareBrackets: false
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Standard: Cpp03
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TabWidth: 4
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UseTab: Always
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...
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2
.clangd
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2
.clangd
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CompileFlags:
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CompilationDatabase: build
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1
.gitignore
vendored
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1
.gitignore
vendored
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@ -0,0 +1 @@
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/build
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25
src/CMakeLists.txt
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25
src/CMakeLists.txt
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cmake_minimum_required(VERSION 3.21)
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set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
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project(lazier-player)
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find_package(SDL3 REQUIRED CONFIG REQUIRED COMPONENTS SDL3)
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find_package(PkgConfig REQUIRED)
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pkg_check_modules(mpv REQUIRED IMPORTED_TARGET mpv)
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if(CMAKE_BUILD_TYPE MATCHES "Debug")
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add_compile_options(-fsanitize=address)
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add_link_options(-fsanitize=address)
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endif()
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add_executable(
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lazier-player
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main.c
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)
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target_link_libraries(lazier-player PRIVATE SDL3::SDL3 mpv m)
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set_property(TARGET lazier-player PROPERTY C_STANDARD 23)
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target_compile_options(lazier-player PRIVATE -Wall -Wextra -Wnull-dereference)
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target_include_directories(lazier-player PRIVATE include)
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install(TARGETS lazier-player DESTINATION bin)
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266
src/main.c
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266
src/main.c
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#include <SDL3/SDL.h>
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#include <mpv/client.h>
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#include <mpv/render.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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typedef struct {
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mpv_handle *mpv;
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mpv_render_context *render_ctx;
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SDL_Window *window;
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SDL_Renderer *renderer;
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SDL_Texture *texture;
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int width;
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int height;
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int running;
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int needs_redraw;
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} App;
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static void SDL_PrintError(const char *msg)
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{
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fprintf(stderr, "sdl: %s: %s\n", msg, SDL_GetError());
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}
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static void mpv_print_error(int code, const char *msg)
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{
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fprintf(stderr, "mpv: %s: %s\n", msg, mpv_error_string(code));
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}
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static void handle_mpv_events(App *app)
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{
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while (true) {
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mpv_event *event = mpv_wait_event(app->mpv, 0);
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if (event->event_id == MPV_EVENT_NONE)
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break;
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printf("mpv: event=%s\n", mpv_event_name(event->event_id));
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if (event->event_id == MPV_EVENT_PROPERTY_CHANGE) {
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mpv_event_property *prop = event->data;
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if (!strcmp(prop->name, "width") || !strcmp(prop->name, "height")) {
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int64_t width = 0;
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int64_t height = 0;
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mpv_get_property(app->mpv, "width", MPV_FORMAT_INT64, &width);
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mpv_get_property(app->mpv, "height", MPV_FORMAT_INT64, &height);
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if (width > 0 && height > 0 && (width != app->width || height != app->height)) {
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app->width = width;
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app->height = height;
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if (app->texture)
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SDL_DestroyTexture(app->texture);
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app->texture = SDL_CreateTexture(app->renderer, SDL_PIXELFORMAT_XBGR8888,
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SDL_TEXTUREACCESS_STREAMING, width, height);
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if (!app->texture) {
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SDL_PrintError("SDL_CreateTexture");
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} else {
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// Resize window to match video dimensions
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SDL_SetWindowSize(app->window, app->width, app->height);
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}
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}
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}
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} else if (event->event_id == MPV_EVENT_END_FILE) {
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app->running = 0;
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}
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}
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}
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static void render_video(App *app)
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{
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int err;
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// Clear the renderer
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if (!SDL_SetRenderDrawColor(app->renderer, 0, 0, 0, 255))
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SDL_PrintError("SDL_SetRenderDrawColor");
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if (!SDL_RenderClear(app->renderer))
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SDL_PrintError("SDL_RenderClear");
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// Render MPV frame
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if (app->texture && app->render_ctx) {
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void *pixels;
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int stride = 0;
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if (!SDL_LockTexture(app->texture, NULL, &pixels, &stride)) {
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SDL_PrintError("SDL_LockTexture");
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return;
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}
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float w, h;
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if (!SDL_GetTextureSize(app->texture, &w, &h))
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SDL_PrintError("SDL_GetTextureSize");
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int size[] = { w, h };
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mpv_render_param params[] = {
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{ MPV_RENDER_PARAM_SW_SIZE, &size }, //
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{ MPV_RENDER_PARAM_SW_FORMAT, "rgb0" }, //
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{ MPV_RENDER_PARAM_SW_STRIDE, &stride }, //
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{ MPV_RENDER_PARAM_SW_POINTER, pixels }, //
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{ MPV_RENDER_PARAM_INVALID, NULL },
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};
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if ((err = mpv_render_context_render(app->render_ctx, params)))
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mpv_print_error(err, "mpv_render_context_render");
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SDL_UnlockTexture(app->texture);
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if (!SDL_RenderTexture(app->renderer, app->texture, NULL, NULL)) {
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SDL_PrintError("SDL_RenderTexture");
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}
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}
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// Draw shapes over the video
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// 1. Red rectangle
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if (!SDL_SetRenderDrawColor(app->renderer, 255, 0, 0, 128))
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SDL_PrintError("SDL_SetRenderDrawColor");
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SDL_FRect rect = { 50, 50, 100, 80 };
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if (!SDL_RenderFillRect(app->renderer, &rect))
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SDL_PrintError("SDL_RenderFillRect");
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// 2. Blue circle (approximated with points)
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if (!SDL_SetRenderDrawColor(app->renderer, 0, 0, 255, 128))
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SDL_PrintError("SDL_SetRenderDrawColor");
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int centerX = app->width - 100;
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int centerY = app->height - 100;
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int radius = 40;
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for (int i = 0; i < 360; i++) {
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float angle = i * 3.14159f / 180.0f;
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float x = centerX + radius * SDL_cosf(angle);
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float y = centerY + radius * SDL_sinf(angle);
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if (!SDL_RenderPoint(app->renderer, x, y))
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SDL_PrintError("SDL_RenderPoint");
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}
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// 3. Green line
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if (!SDL_SetRenderDrawColor(app->renderer, 0, 255, 0, 200))
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SDL_PrintError("SDL_SetRenderDrawColor");
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if (!SDL_RenderLine(app->renderer, 0, 0, app->width, app->height))
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SDL_PrintError("SDL_RenderLine");
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if (!SDL_RenderPresent(app->renderer))
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SDL_PrintError("SDL_RenderPresent");
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}
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int main(int argc, char *argv[])
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{
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int err;
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if (argc < 2) {
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printf("Usage: %s <video_file>\n", argv[0]);
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return 1;
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}
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static App app = { 0 };
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app.running = 1;
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app.width = 800;
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app.height = 600;
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// Initialize SDL
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if (!SDL_Init(SDL_INIT_VIDEO)) {
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SDL_PrintError("SDL_Init");
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return 1;
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}
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// Create window
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app.window = SDL_CreateWindow("SDL3 + MPV Video Player", app.width, app.height, 0);
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if (!app.window) {
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SDL_PrintError("SDL_CreateWindow");
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SDL_Quit();
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return 1;
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}
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// Create renderer
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app.renderer = SDL_CreateRenderer(app.window, "software");
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if (!app.renderer) {
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SDL_PrintError("SDL_CreateRenderer");
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SDL_DestroyWindow(app.window);
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SDL_Quit();
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return 1;
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}
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// Initialize MPV
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app.mpv = mpv_create();
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if (!app.mpv) {
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fprintf(stderr, "mpv: mpv_create: returned NULL\n");
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SDL_DestroyRenderer(app.renderer);
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SDL_DestroyWindow(app.window);
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SDL_Quit();
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return 1;
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}
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// Configure MPV
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if ((err = mpv_set_option_string(app.mpv, "video-sync", "display-resample")))
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mpv_print_error(err, "mpv_set_option_string");
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if ((err = mpv_set_option_string(app.mpv, "vo", "libmpv")))
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mpv_print_error(err, "mpv_set_option_string");
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if ((err = mpv_initialize(app.mpv)))
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mpv_print_error(err, "mpv_initialize");
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// Initialize MPV render context
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mpv_render_param params[] = {
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{ MPV_RENDER_PARAM_API_TYPE, MPV_RENDER_API_TYPE_SW },
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{ MPV_RENDER_PARAM_INVALID, NULL },
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};
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if ((err = mpv_render_context_create(&app.render_ctx, app.mpv, params)))
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mpv_print_error(err, "mpv_render_context_create");
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// Load the video file
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const char *cmd[] = { "loadfile", argv[1], NULL };
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if ((err = mpv_command(app.mpv, cmd)))
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mpv_print_error(err, "mpv_command");
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// Observe properties
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if ((err = mpv_observe_property(app.mpv, 0, "width", MPV_FORMAT_INT64)))
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mpv_print_error(err, "mpv_observe_property");
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if ((err = mpv_observe_property(app.mpv, 0, "height", MPV_FORMAT_INT64)))
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mpv_print_error(err, "mpv_observe_property");
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// Main loop
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while (app.running) {
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SDL_Event event;
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while (SDL_PollEvent(&event)) {
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if (event.type == SDL_EVENT_QUIT) {
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app.running = 0;
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}
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}
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handle_mpv_events(&app);
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render_video(&app);
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SDL_Delay(16); // ~60fps
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}
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// Cleanup
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if (app.texture)
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SDL_DestroyTexture(app.texture);
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if (app.render_ctx)
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mpv_render_context_free(app.render_ctx);
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mpv_terminate_destroy(app.mpv);
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SDL_DestroyRenderer(app.renderer);
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SDL_DestroyWindow(app.window);
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SDL_Quit();
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return 0;
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}
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// vim:set ts=4 sw=4 et:
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