{"id":18768602,"url":"https://github.com/slimenull/ffmpegvideorenderer","last_synced_at":"2025-04-13T06:32:45.570Z","repository":{"id":242873421,"uuid":"810584779","full_name":"SlimeNull/FFmpegVideoRenderer","owner":"SlimeNull","description":"Video renderer based on FFmpeg. 基于 FFmpeg 的视频渲染器","archived":false,"fork":false,"pushed_at":"2024-06-26T07:07:03.000Z","size":92,"stargazers_count":10,"open_issues_count":0,"forks_count":2,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-03-26T23:43:00.311Z","etag":null,"topics":["ffmpeg","video-processing"],"latest_commit_sha":null,"homepage":"","language":"C#","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/SlimeNull.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2024-06-05T01:36:14.000Z","updated_at":"2025-03-04T02:14:42.000Z","dependencies_parsed_at":"2024-06-26T07:59:50.454Z","dependency_job_id":null,"html_url":"https://github.com/SlimeNull/FFmpegVideoRenderer","commit_stats":null,"previous_names":["slimenull/ffmpegvideorenderer"],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/SlimeNull%2FFFmpegVideoRenderer","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/SlimeNull%2FFFmpegVideoRenderer/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/SlimeNull%2FFFmpegVideoRenderer/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/SlimeNull%2FFFmpegVideoRenderer/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/SlimeNull","download_url":"https://codeload.github.com/SlimeNull/FFmpegVideoRenderer/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":248674677,"owners_count":21143760,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["ffmpeg","video-processing"],"created_at":"2024-11-07T19:13:16.390Z","updated_at":"2025-04-13T06:32:43.172Z","avatar_url":"https://github.com/SlimeNull.png","language":"C#","funding_links":[],"categories":[],"sub_categories":[],"readme":"# FFmpegVideoRenderer\n\n基于 FFmpeg 的视频剪辑渲染器. 支持多视频与音频轨道, 音频与视频的过渡. 在媒体上, 理论支持 ffmpeg 能够解码与编码的所有音频视频以及图片格式.\n\n\u003cbr /\u003e\n\n## 使用\n\n- 克隆并引用此项目\n- 使用, 调用提供的功能即可\n\n\u003cbr /\u003e\n\n## 功能\n\n本库主要提供了两个功能, 一是高度封装的视频剪辑, 二是它下面的 MediaSource 封装, 用于从媒体文件中获取帧与采样.\n\n### 视频剪辑\n\n只需要提供一个 \"配置信息\", 然后把它传给渲染方法, 就可以完成整个渲染过程了! 下面是一个简单的拼合两个视频前几秒的示例:\n\n```csharp\n// 打开两个素材\nusing var video1 = File.OpenRead(@\"E:\\CloudMusic\\MV\\Goyo.mp4\");\nusing var video2 = File.OpenRead(@\"E:\\CloudMusic\\MV\\春めく.mp4\");\n\n// 保存位置\nusing var output = File.Create(\"output.mp4\");\n\n// 声明项目\nvar project = new Project()\n{\n    OutputWidth = 800,\n    OutputHeight = 600,\n    Resources =\n    {\n        new ProjectResource(\"1\", video1),\n        new ProjectResource(\"2\", video2),\n    },\n    VideoTracks =\n    {\n        new VideoTrack()\n        {\n            Children =\n            {\n                new VideoTrackItem()\n                {\n                    ResourceId = \"1\",\n                    Offset = TimeSpan.FromSeconds(0),\n                    StartTime = TimeSpan.FromSeconds(0),\n                    EndTime = TimeSpan.FromSeconds(6),\n                },\n                new VideoTrackItem()\n                {\n                    ResourceId = \"2\",\n                    Offset = TimeSpan.FromSeconds(4),\n                    StartTime = TimeSpan.FromSeconds(0),\n                    EndTime = TimeSpan.FromSeconds(30),\n                }\n            }\n        },\n    },\n};\n\n// 渲染\nVideoRenderer.Render(project, output);\n```\n\n### 视频源\n\n使用 MediaSource 类, 你可以轻松从媒体文件中获取帧数据或者采样. 下面是个示例, 它会保存 0-9 秒的十张图片到文件中:\n\n```csharp\nusing var video1 = File.OpenRead(@\"E:\\CloudMusic\\MV\\Goyo.mp4\");\nusing var mediaSource1 = MediaSource.Create(video1);\nfor (int i = 0; i \u003c 10; i++)\n{\n    var time = TimeSpan.FromSeconds(i);\n    var saveTo = File.Create($\"output{i}.png\");\n\n    if (mediaSource1.GetVideoFrameBitmap(time) is SKBitmap bitmap)\n    {\n        bitmap.Encode(saveTo, SKEncodedImageFormat.Png, 0);\n    }\n}\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fslimenull%2Fffmpegvideorenderer","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fslimenull%2Fffmpegvideorenderer","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fslimenull%2Fffmpegvideorenderer/lists"}