android-ffmpeg

问题 I am trying to run the following command for my Android app: "ffmpeg -i /full/path.video.mp4 -ignore_loop 0 -i myGif.gif -filter_complex \"[0][1]overlay=0:H-100\" /full/path/videoWithGifOverlay.mp4" but I am getting am getting an error. Here is the ouput: 04-14 18:36:30.386 30508-30508/com.example.android.camera2video I/onProgress(): ***Output #0, mp4, to 'ffmpeg -i /full/path/video.mp4 -ignore_loop 0 -i myGif.gif -filter_complex "[0][1]overlay=0:H-100" /full/path/videoWithGifOverlay.mp4': 04

问题 I am getting the following error when I try to use ffmpeg on Android. Error 09-02 18:06:33.805 2861-3659/com.gitlab.onreg01.ffmpegsample D/FFmpeg: Running publishing updates method 09-02 18:06:33.917 2861-2861/com.gitlab.onreg01.ffmpegsample D/LOG_FFMPEG_SAMPLE: CANNOT LINK EXECUTABLE "/data/user/0/com.gitlab.onreg01.ffmpegsample/files/ffmpeg": "/data/data/com.gitlab.onreg01.ffmpegsample/files/ffmpeg" has text relocations 09-02 18:06:33.943 2861-2861/com.gitlab.onreg01.ffmpegsample D/LOG

问题 I have integrated ffmpeg4android lib . Video compressing is working fine but video is not playing in browser except safari browser. after uploading to server. I have used following command. ffmpeg -y -i <input file.mp4> -strict experimental -r 30 -ab 48000 -ac 2 -ar 22050 -vcodec mpeg4 -b 2097k <output file.mp4> Please Help me. Thank you in advance. 回答1: Look at the table "Browser compatibility". https://developer.mozilla.org/en-US/docs/Web/HTML/Supported_media_formats It seems like you're

问题 I'm getting an error while cutting a portion of a video using FFmpeg Following is my code String[] cmd = {"ffmpeg -ss 0 -i "+mPath+" -t 30 -c copy "+ (Environment.getExternalStorageDirectory().getAbsolutePath()+"/sample.mp4")}; executeCommand(cmd); Function executeCommand void executeCommand(String[] cmd) { try { fFmpeg.execute(cmd, new FFmpegExecuteResponseHandler() { @Override public void onSuccess(String message) { Toast.makeText(VideoFullScreen.this, "finished :" + message, Toast.LENGTH

问题 Trying to compile the FFMPEG-3.4 with Android-NDK-16.1. Compiling the source on Mac. Getting below Warnings/Errors: WARNING: /Users/strehan/Library/Android/sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi-pkg-config not found, library detection may fail. Error: In file included from libavdevice/avdevice.c:19:0:./libavutil/avassert.h:30:20: fatal error: stdlib.h: No such file or directory Error: /Users/strehan/Library/Android/sdk/ndk-bundle

问题 I have got FFmpeg compiled (libffmpeg.so) on Android. Now I have to build either an application like RockPlayer or use existing Android multimedia framework to invoke FFmpeg. Do you have steps / procedures / code / example on integrating FFmpeg on Android / StageFright? Can you please guide me on how can I use this library for multimedia playback? I have a requirement where I have already audio and video transport streams, which I need to feed to FFmpeg and get it decoded / rendered. How can

问题 I downloaded JavaCV-1-3-1. Now I have 2 questions: How can I import JavaCV to Android Studio for using? Can be used from FFMPEG commands with JavaCV? 回答1: To import java cv add this to gradle dependencies { compile 'org.bytedeco:javacv:+' compile 'org.bytedeco.javacpp-presets:opencv:3.0.0-1.1:android-x86' compile 'org.bytedeco.javacpp-presets:ffmpeg:2.8.1-1.1:android-x86' compile 'org.bytedeco.javacpp-presets:opencv:3.0.0-1.1:android-arm' compile 'org.bytedeco.javacpp-presets:ffmpeg:2.8.1-1.1

问题 I'm using FFmpegVideoRecorder - Customizable Video Recording Library for Android in my app for video recording. I followed the instructions on GitHub and installed the library. When I run the app I'm getting the following error. Error opening camera java.lang.NullPointerException: Attempt to invoke interface method 'java.lang.Object[] java.util.Collection.toArray()' on a null object reference at com.google.common.collect.ImmutableSet.copyOf(ImmutableSet.java:247) at com.amosyuen.videorecorder

问题 I am building an android app which does some video processing. I am currently using precompiled FFmpeg from https://github.com/writingminds/ffmpeg-android. The other option is to download FFmpeg source code and compile it using Android NDK. The reason I am contemplating option 2 is to enhance performance. My questions are Is there a difference between the two options mentioned above? If yes, what would be the difference. Would it be enhanced performance (or) the result would simply be the

问题 I am using this binding library for FFMpeg: https://github.com/gperozzo/XamarinAndroidFFmpeg My goal is to mix two audio files. String s = "-i " + "test.wav" + " -i " + test2.mp3 + " -filter_complex amix=inputs=2:duration=first " + "result.mp3"; Device.BeginInvokeOnMainThread(async () => { await FFMpeg.Xamarin.FFmpegLibrary.Run(Forms.Context, s); }); So I have 2 input files: one is .mp3 and another one is .wav. I've tried also next commands: String s= "-i "+ "test.wav" +" -i "+ "test2.mp3" +