音訊、視訊和相機Audio, video, and camera

本節提供有關建立通用 Windows 平台 (UWP) app 以擷取、播放或編輯相片、視訊或音訊的資訊。This section provides information about creating Universal Windows Platform (UWP) apps that capture, play back, or edit photos, videos, or audio.

主題Topic 描述Description
相機Camera 列出適用於 UWP app 的相機功能,以及示範如何使用它們的操作說明文章的連結。Lists the camera features that are available for UWP apps, and links to the how-to articles that show how to use them.
媒體播放Media playback 提供建立使用音訊和視訊播放的 UWP app 的相關資訊。Provides information about creating UWP apps that use audio and video playback.
偵測影像或影片中的臉部Detect faces in images or videos 示範如何使用 FaceTracker,在一連串視訊畫面中追蹤隨著時間改變的臉部。Shows you how to use the FaceTracker for tracking faces over time in a sequence of video frames.
媒體組合和編輯Media compositions and editing 說明如何使用 Windows.Media.Editing 命名空間中的 API 來快速開發 app,讓使用者從音訊和視訊來源檔案建立媒體組合。Shows you how to use the APIs in the Windows.Media.Editing namespace to quickly develop apps that enable the users to create media compositions from audio and video source files.
自訂視訊效果Custom video effects 說明如何建立能實作 IBasicVideoEffect 介面以允許您為視訊串流建立自訂效果的 Windows 執行階段元件。Describes how to create a Windows Runtime component that implements the IBasicVideoEffect interface to allow you to create custom effects for video streams.
自訂音訊效果Custom audio effects 描述如何建立能實作 IBasicAudioEffect 介面以允許您為音訊串流建立自訂效果的 Windows 執行階段元件。Describes how to create a Windows Runtime component that implements the IBasicAudioEffect interface to allow you to create custom effects for audio streams.
建立、編輯和儲存點陣圖影像Create, edit, and save bitmap images 說明如何使用 SoftwareBitmap 物件來載入及儲存影像檔,以代表點陣圖影像。Explains how to load and save image files by using the SoftwareBitmap object to represent bitmap images.
音訊裝置資訊屬性Audio device information properties 列出與音訊裝置有關的裝置資訊屬性。Lists the device information properties related to audio devices.
偵測及回應音訊狀態變更Detect and respond to audio state changes 說明 UWP 應用程式如何偵測及回應音訊資料流層級的系統起始變更。Explains how UWP apps can detect and respond to system-initiated changes in audio stream levels.
轉碼媒體檔案Transcode media files 說明如何使用 Windows.Media.Transcoding API,將視訊檔案從一種格式轉碼成另一種格式。Shows you how to use the Windows.Media.Transcoding APIs to transcode video files from one format to another.
在背景處理媒體檔案Process media files in the background 示範如何使用 MediaProcessingTrigger 和背景工作,在背景處理媒體檔案。Shows you how to use the MediaProcessingTrigger and a background task to process media files in the background.
音訊圖Audio graphs 示範如何使用 Windows.Media.Audio 命名空間中的 API 來建立音訊路由傳送、混音及處理案例的音訊圖。Shows you how to use the APIs in the Windows.Media.Audio namespace to create audio graphs for audio routing, mixing, and processing scenarios.
MIDIMIDI 示範如何列舉 MIDI (樂器數位介面) 裝置,並且從 UWP app 傳送及接收 MIDI 訊息。Shows you how to enumerate MIDI (Musical Instrument Digital Interface) devices and send and receive MIDI messages from a UWP app.
從裝置匯入媒體Import media from a device 描述從裝置匯入媒體的方式,包括搜尋可用媒體來源、匯入如影片、相片和側車檔案的檔案,以及從來源裝置上刪除已匯入的檔案。Describes how to import media from a device, including searching for available media sources, importing files such as videos, photos, and sidecar files, and deleting the imported files from the source device.
相機獨立閃光燈Camera-independent Flashlight 說明如何存取和使用裝置的燈光 (如果有的話)。Shows you how to access and use a device's lamp, if one is present. 燈光功能分別從裝置的相機和閃光燈功能來管理。Lamp functionality is managed separately from the device's camera and camera flash functionality.
支援的轉碼器Supported codecs 列出 UWP App 支援的音訊、視訊及影像轉碼器和格式。Lists the audio, video, and image codec and format support for UWP apps.
查詢已安裝的轉碼器Query for installed codecs 告訴您如何查詢裝置已安裝的音訊及視訊編碼器與解碼器。Shows you how to query for audio and video encoders and decoders that are installed on a device.
螢幕擷取Screen capture 說明如何使用 Windows.Graphics.Capture 命名空間,從顯示畫面或應用程式視窗取得畫面格來建立要建置共同作業及互動體驗的視訊串流或快照。Describes how to use the Windows.Graphics.Capture namespace to acquire frames from a display or application window, to create video streams or snapshots to build collaborative and interactive experiences.

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