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Mediaextractor setdatasource

WebThe following examples show how to use android.media.MediaExtractor #setDataSource () . You can vote up the ones you like or vote down the ones you don't like, and go to the … WebMediaExtractor的主要API如下：setDataSource(String path): 设置媒体文件的路径。setDataSource(FileDescriptor fd): 设置媒体文件的FileDescriptor。setDataSource(Context …

android.media.MediaExtractor.getTrackCount()方法的使用及代码 …

http://duoduokou.com/android/40876120834823849802.html WebMay 30, 2024 · MediaExtractor.setDataSource works or doesn't based on Android OS version JudyL_MD 28-May-17 9:47 It's been a while since I've participated on CP, and I'm … listen mark levin show https://adoptiondiscussions.com

Android MediaCodec硬件解码视频播放 - 代码天地

WebJul 9, 2024 · val extractor = MediaExtractor () extractor.setDataSource (inFilePath) for (i in 0 until extractor.trackCount) { val format = extractor.getTrackFormat (i) val mime = format.getString (MediaFormat.KEY_MIME); if (mime.startsWith ( "audio/" )) { extractor.selectTrack (i) // Read the frames from this track here // ... } } WebMediaExtractor extractor = new MediaExtractor(); extractor. setDataSource (path); //where path is a String variable and points to the data source MediaFormat format = … WebMar 2, 2024 · 如何使用MediaExtractor 和 MediaCodec 实现一个简易的播放器呢？ 其实并不难，整体的流程如下： 1、创建视频解码线程 2、创建音频解码线程 3、开始视频解码 4、开始音频解码 5、解码播放延时同步 首先，我们来看看视频解码线程如何实现： 视频解码的大体流程 1、获取视频的轨道信息 2、创建MediaCodec 3、将解复用得到的数据传递给解码 … businessplan opmaken

使用setDataSource()时，实例化mediaextractor失败。 - IT宝库

Category:Java MediaExtractor.setDataSource Examples, android.media ...

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Mediaextractor setdatasource

MediaExtractor.SetDataSourceAsync Method (Android.Media)

WebNov 14, 2024 · 我自己问过这个(我有太多的信息要将其添加为评论) MediaExtractor.setDataSource抛出IoException"失败实例化提取器"，我想我现在回答了 … Webprivate val videoExtractor = MediaExtractor() private val audioExtractor = MediaExtractor() init { videoExtractor.setDataSource(inputFilePath) videoTrackIdx = getVideoTrackIdx(videoExtractor) if (videoTrackIdx == -1) { Logger.e("video not found") throw RuntimeException("video not found") } videoExtractor.selectTrack(videoTrackIdx) ...

Mediaextractor setdatasource

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WebJan 25, 2024 · mediaExtractor.setDataSource(mContext, mUri, null); MediaFormat format; for (int i = 0; i < mediaExtractor.getTrackCount(); i++) { format = mediaExtractor.getTrackFormat(i); String mime = format.getString(MediaFormat.KEY_MIME); 代码示例来源： origin: … WebJava MediaExtractor.setDataSource - 7 examples found. These are the top rated real world Java examples of android.media.MediaExtractor.setDataSource extracted from open …

WebMar 24, 2024 · 首先，使用 `MediaExtractor` 类提取视频文件中的视频帧和音频帧。然后，使用 `MediaCodec` 将视频帧编码成目标格式（例如 H.264），将音频帧编码成目标格式（例如 AAC）。最后，使用 `MediaMuxer` 将编码后的视频帧和音频帧合成为目标视频文件。 WebHere are the examples of the java api android.media.MediaExtractor.setDataSource() taken from open source projects. By voting up you can indicate which examples are most useful …

Webwhen calling AMediaExtractor_setDataSource (ex, "/sdcard/gandalf2.avi"). It returns error code -10000. This is the basic code I'm using. Is somebody has any idea of the problem I get ? Thank's for the replies, Thierry gpu::platform::android::Application::getCurrent ().attachToJVM (); AMediaExtractor *ex = AMediaExtractor_new (); // this works fine, Web1 creating创建. 可以根据指定的 MediaFormat 通过 MediaCodecList 创建一个编解码器；. 可以根据 MediaExtractor.getTrackFormat 来创建一个可以用于解码文件和流的编解码器；. 在引入其他格式之前，当你想 MediaFormat.setFeatureEnabled，需要通过 MediaCodecList.findDecoderForFormat 获得与 ...

Webandroid.media.MediaExtractor. Best Java code snippets using android.media. MediaExtractor.selectTrack (Showing top 20 results out of 315) android.media …

Web我的选择是什么？ 使用 MediaExtractor 和 MediaCodec 您可以将 3gp （或任何其他受支持的mime类型）解码为一系列PCM-16位（mime business studies value analysisWebFeb 21, 2024 · static private MediaExtractor createExtractor (String uri) { MediaExtractor extractor = new MediaExtractor (); try { extractor.setDataSource (uri); } catch (IOException e) { e.printStackTrace (); extractor.release (); return null; } return extractor; } static private int [] findTrackAVIndex (MediaExtractor extractor) { int [] ii = new int [2]; listen nova 100WebJul 1, 2024 · MediaExtractor extractor = new MediaExtractor(); File file = new File(pathToFile); FileInputStream fis = null; try { fis = new FileInputStream(file); … listen now buttonWebandroid.media.MediaExtractor.selectTrack java code examples Tabnine MediaExtractor.selectTrack How to use selectTrack method in android.media.MediaExtractor Best Java code snippets using android.media. MediaExtractor.selectTrack (Showing top 20 results out of 315) android.media … business sri lanka newsWebApr 9, 2024 · 首先，先通过 selectTrack 来指定是解析视频还是音频，接着使用 readBuffer 这个方法，该方法使用 mediaExtractor.readSampleData(buffer, 0); 去拿到当前视频的 buffer，并通过 mediaExtractor.advance() 拿到下一帧的数据。 1.2 解码流程. 上一章说到 MediaCodec 的解码是基于以下两张图的： listen nova liveWeb今天我们通过对来MediaExtractor和MediaMuxer的学习分析和实践来实现 “把视频分离（提取&解封装）出纯音频和纯视频文件”、“替换背景音乐，合成新的视频文件”。 二、视频解封 … listen npr online liveWebMay 30, 2024 · MediaExtractor.setDataSource works or doesn't based on Android OS version JudyL_MD 28-May-17 9:47 It's been a while since I've participated on CP, and I'm back with a doozy I'm having a problem with MediaExtractor and using a … businesssafe peninsula-online login