2024 Mediaextractor setdatasource

Mediaextractor setdatasource

Author: wmmq

August undefined, 2024

WebAndroid音视频开发（四）——MediaCodec：解码视频，得到YUV值，一帧一帧加载到SD卡中保存。. 我们上一节了解了MediaExtractor、MediaMuxer、MediaFormat、MediaCodec.BufferInfo。. 重复的内容我就不再赘述了，假如有上面的四个的一些补充还是会写一下。. 接下来我们学习MediaCodec ... WebFeb 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];

MediaExtractor Class (Android.Media) Microsoft Learn

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 … WebApr 9, 2024 · 定义媒体提取器：MediaExtractor,通过媒体提取器，得到视频的MIME以及MediaFormat数据通过媒体提取器拿到的MIME 类型来创建硬件解码器MediaCodec，再通过上一步拿到的额MediaFormat来配置硬件解码器。配置完成后，调用硬件解码器的start函数，解码器就开始工作了从解码器上拿到输入和输出Buffer数组，用于解码使用 … election results today in alabama

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

WebMediaExtractor.SetDataSourceAsync Method (Android.Media) Microsoft Learn Documentation .NET Languages Workloads APIs Resources Download .NET Version … WebApr 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： WebApr 9, 2024 · 是Android 的低层多媒体基础设施的一部分（通常与MediaExtractor、MediaSync、MediaMuxer、Image、Surface和AudioTrack一起使用），它本身并不具 … election results today iec

MediaPlayer-Extended/MediaExtractor.java at master - Github

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

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、前言. 最近在研究FFmepg滤镜方面的知识，索性就准备尝试一下代码给视频添加水印。. 一开始想直接FFmpeg直接c代码加水印，写完后测试了一下比较慢，毕竟软解得看CPU即使设置了多线程编解码还是一个吊样，然后想到了另一条路硬解码然后ffmpeg数据处理水印 ... election results today governorWebJan 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: … food products made in usa and packaged in usa

"WebFeb 18, 2024 · m.setDataSource (path); Bitmap thumbnail = m.getFrameAtTime (); if (Build.VERSION.SDK_INT >= 17) { String s = m.extractMetadata (MediaMetadataRetriever.METADATA_KEY_VIDEO_ROTATION); } MediaMetadataRetriever retriever = new MediaMetadataRetriever (); retriever.setDataSource (inputPath); " - Mediaextractor setdatasource

Mediaextractor setdatasource

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 WebJan 25, 2024 · MediaExtractor extractor= new MediaExtractor(); File file = new File(this.fileName); extractor.setDataSource(this.fileName); int tracks = extractor.getTrackCount(); extractor.selectTrack(0); .. 代码示例来源： origin: bitmovin/bitcodin-android-demo @Override public void enable(int track, long positionUs) { …

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Webpublic static float getAveFrameRate(VideoProcessor.MediaSource mediaSource) throws IOException { MediaExtractor extractor = new MediaExtractor(); mediaSource.setDataSource(extractor); int trackIndex = VideoUtil.selectTrack(extractor, false); extractor.selectTrack(trackIndex); long lastSampleTimeUs = 0; int frameCount = 0; … WebJul 28, 2012 · 1.Get To Know Your Media Another new class introduced in Jelly Bean is the android.media.MediaExtractor . It is pretty clear what it is all about, extract the metadata from your media and a lot more. 2. Create your Decoder A decoder is generally seen as a NODE with INPUT and OUTPUT buffers.

Webandroid.media.MediaExtractor. Best Java code snippets using android.media. MediaExtractor.selectTrack (Showing top 20 results out of 315) android.media … Web本文是小编为大家收集整理的关于使用setDataSource()时，实例化mediaextractor失败。的处理/解决方法，可以参考本文帮助大家快速定位并解决问题，中文翻译不准确的可切换 …

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 … 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 …

WebMediaExtractor (); } /** * Sets the data source as a content Uri. * * @param context the Context to use when resolving the Uri * @param uri the Content URI of the data you want to extract from. * @param headers the headers to be sent together with the request for the data */ public final void setDataSource ( election results today indianapolishttp://duoduokou.com/android/40876120834823849802.html food product specification sheetWebMediaExtractor extractor = new MediaExtractor (); extractor.setDataSource (...); int numTracks = extractor.getTrackCount (); for (int i = 0; i = 0) { int trackIndex = … food products made in tennessee food products named after peopleWebMar 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 … food products online shoppingWebJul 1, 2024 · MediaExtractor extractor = new MediaExtractor(); File file = new File(pathToFile); FileInputStream fis = null; try { fis = new FileInputStream(file); … election results today in delawareWebMar 3, 2024 · I am trying to use Androids NDKMediaExtractor in C++ code like this: const char *storageFile = "/storage/emulated/0/mytestfile.mp3"; AMediaExtractor *extractor = … election results today in az