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Unable to properly save video in android ffmpeg app
22 mars 2021, par connor449I am trying to record and save a video with an ffmpeg app on android 10. I'm very new to android/mobile development.


Here is my manifest file :


<?xml version="1.0" encoding="utf-8"?>
<manifest package="com.example.camera">
 
 
 

 


 
 <activity>
 
 
 </activity> <activity>
 
 <action></action>

 <category></category>
 
 </activity>
 


</manifest>


As you can see, I am specifying permission to read/write data.


Here is my mainActivity :


package com.example.camera

//import android.R
import android.content.DialogInterface
import android.content.pm.PackageManager
import android.os.Build
import android.os.Bundle
import android.widget.Toast
import androidx.appcompat.app.AlertDialog
import androidx.appcompat.app.AppCompatActivity
import androidx.core.app.ActivityCompat
import androidx.core.content.ContextCompat
import com.arthenica.mobileffmpeg.FFmpeg


const val EXTRA_MESSAGE = "com.example.myfirstapp.MESSAGE"

class MainActivity : AppCompatActivity() {
 override fun onCreate(savedInstanceState: Bundle?) {
 super.onCreate(savedInstanceState)
 setContentView(R.layout.activity_main)
 if (checkPermission()) {
 //main logic or main code
 FFmpeg.execute("-f android_camera -i 0:0 -r 30 -crf 0 -pixel_format yuv420p -t 00:00:05 test.mp4")

 // . write your main code to execute, It will execute if the permission is already given.
 } else {
 requestPermission()
 }
 }

 fun sendMessage(view:android.view.View){


 }

 private fun checkPermission(): Boolean {
 return if (ContextCompat.checkSelfPermission(this, android.Manifest.permission.CAMERA)
 != PackageManager.PERMISSION_GRANTED
 ) {
 // Permission is not granted
 false
 } else true
 }

 private fun requestPermission() {
 ActivityCompat.requestPermissions(
 this, arrayOf(android.Manifest.permission.CAMERA),
 PERMISSION_REQUEST_CODE
 )
 }

 override fun onRequestPermissionsResult(
 requestCode: Int,
 permissions: Array<string>,
 grantResults: IntArray
 ) {
 when (requestCode) {
 PERMISSION_REQUEST_CODE -> if (grantResults.size > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED
 ) {
 Toast.makeText(applicationContext, "Permission Granted", Toast.LENGTH_SHORT)
 .show()

 // main logic
 } else {
 Toast.makeText(applicationContext, "Permission Denied", Toast.LENGTH_SHORT)
 .show()
 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 if (ContextCompat.checkSelfPermission(this, android.Manifest.permission.CAMERA)
 != PackageManager.PERMISSION_GRANTED
 ) {
 showMessageOKCancel("You need to allow access permissions",
 DialogInterface.OnClickListener { dialog, which ->
 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 requestPermission()
 }
 })
 }
 }
 }
 }
 }

 private fun showMessageOKCancel(
 message: String,
 okListener: DialogInterface.OnClickListener
 ) {
 AlertDialog.Builder(this@MainActivity)
 .setMessage(message)
 .setPositiveButton("OK", okListener)
 .setNegativeButton("Cancel", null)
 .create()
 .show()
 }

 companion object {
 private const val PERMISSION_REQUEST_CODE = 200
 }
}

</string>

Here is my error message in the logs :


2021-03-22 16:31:34.509 9365-9448/com.example.camera I/AdrenoGLES: QUALCOMM build : 85037b7, I6e8b82193e
 Build Date : 12/19/19
 OpenGL ES Shader Compiler Version: EV031.27.05.03
 Local Branch : 
 Remote Branch : refs/tags/AU_LINUX_ANDROID_LA.UM.8.11.R1.10.00.00.576.016
 Remote Branch : NONE
 Reconstruct Branch : NOTHING
2021-03-22 16:31:34.509 9365-9448/com.example.camera I/AdrenoGLES: Build Config : S P 8.0.12 AArch64
2021-03-22 16:31:34.512 9365-9448/com.example.camera I/AdrenoGLES: PFP: 0x016ee187, ME: 0x00000000
2021-03-22 16:31:55.745 9365-9480/com.example.camera I/mobile-ffmpeg: ffmpeg version v4.4-dev-416
2021-03-22 16:31:55.745 9365-9480/com.example.camera I/mobile-ffmpeg: Copyright (c) 2000-2020 the FFmpeg developers
2021-03-22 16:31:55.746 9365-9480/com.example.camera I/mobile-ffmpeg: built with Android (6454773 based on r365631c2) clang version 9.0.8 (https://android.googlesource.com/toolchain/llvm-project 98c855489587874b2a325e7a516b99d838599c6f) (based on LLVM 9.0.8svn)
2021-03-22 16:31:55.746 9365-9480/com.example.camera I/mobile-ffmpeg: configuration: --cross-prefix=aarch64-linux-android- --sysroot=/files/android-sdk/ndk/21.3.6528147/toolchains/llvm/prebuilt/linux-x86_64/sysroot --prefix=/home/taner/Projects/mobile-ffmpeg/prebuilt/android-arm64/ffmpeg --pkg-config=/usr/bin/pkg-config --enable-version3 --arch=aarch64 --cpu=armv8-a --cc=aarch64-linux-android24-clang --cxx=aarch64-linux-android24-clang++ --extra-libs='-L/home/taner/Projects/mobile-ffmpeg/prebuilt/android-arm64/cpu-features/lib -lndk_compat' --target-os=android --enable-neon --enable-asm --enable-inline-asm --enable-cross-compile --enable-pic --enable-jni --enable-optimizations --enable-swscale --enable-shared --enable-v4l2-m2m --disable-outdev=fbdev --disable-indev=fbdev --enable-small --disable-openssl --disable-xmm-clobber-test --disable-debug --enable-lto --disable-neon-clobber-test --disable-programs --disable-postproc --disable-doc --disable-htmlpages --disable-manpages --disable-podpages --disable-txtpages --disable-static --disable-sndio --disable-schannel --disable-securetransport --disable-xlib --disable-cuda --disable-cuvid --disable-nvenc --disable-vaapi --disable-vdpau --disable-videotoolbox --disable-audiotoolbox --disable-appkit --disable-alsa --disable-cuda --disable-cuvid --disable-nvenc --disable-vaapi --disable-vdpau --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-gmp --enable-gnutls --enable-libmp3lame --enable-libass --enable-iconv --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libxml2 --enable-libopencore-amrnb --enable-libshine --enable-libspeex --enable-libwavpack --enable-libkvazaar --enable-libilbc --enable-libopus --enable-libsnappy --enable-libsoxr --enable-libaom --enable-libtwolame --disable-sdl2 --enable-libvo-amrwbenc --enable-zlib --enable-mediacodec
2021-03-22 16:31:55.746 9365-9480/com.example.camera I/mobile-ffmpeg: libavutil 56. 55.100 / 56. 55.100
2021-03-22 16:31:55.746 9365-9480/com.example.camera I/mobile-ffmpeg: libavcodec 58. 96.100 / 58. 96.100
2021-03-22 16:31:55.746 9365-9480/com.example.camera I/mobile-ffmpeg: libavformat 58. 48.100 / 58. 48.100
2021-03-22 16:31:55.746 9365-9480/com.example.camera I/mobile-ffmpeg: libavdevice 58. 11.101 / 58. 11.101
2021-03-22 16:31:55.746 9365-9480/com.example.camera I/mobile-ffmpeg: libavfilter 7. 87.100 / 7. 87.100
2021-03-22 16:31:55.746 9365-9480/com.example.camera I/mobile-ffmpeg: libswscale 5. 8.100 / 5. 8.100
2021-03-22 16:31:55.746 9365-9480/com.example.camera I/mobile-ffmpeg: libswresample 3. 8.100 / 3. 8.100
2021-03-22 16:31:55.750 9365-9365/com.example.camera E/ACameraMetadata: filterDurations: malformed duration key 1638402! count 0, type 3
2021-03-22 16:31:55.750 9365-9365/com.example.camera E/ACameraMetadata: filterDurations: malformed duration key 1638403! count 0, type 3
2021-03-22 16:31:55.750 9365-9365/com.example.camera E/ACameraMetadata: filterDurations: malformed duration key 1835009! count 0, type 3
2021-03-22 16:31:55.750 9365-9365/com.example.camera E/ACameraMetadata: filterDurations: malformed duration key 1835010! count 0, type 3
2021-03-22 16:31:55.750 9365-9365/com.example.camera E/ACameraMetadata: filterDurations: malformed duration key 1638407! count 0, type 3
2021-03-22 16:31:55.750 9365-9365/com.example.camera E/ACameraMetadata: filterDurations: malformed duration key 1638408! count 0, type 0
2021-03-22 16:31:55.751 9365-9365/com.example.camera E/ACameraMetadata: filterDurations: malformed duration key 1638402! count 0, type 3
2021-03-22 16:31:55.751 9365-9365/com.example.camera E/ACameraMetadata: filterDurations: malformed duration key 1638403! count 0, type 3
2021-03-22 16:31:55.751 9365-9365/com.example.camera E/ACameraMetadata: filterDurations: malformed duration key 1835009! count 0, type 3
2021-03-22 16:31:55.751 9365-9365/com.example.camera E/ACameraMetadata: filterDurations: malformed duration key 1835010! count 0, type 3
2021-03-22 16:31:55.751 9365-9365/com.example.camera E/ACameraMetadata: filterDurations: malformed duration key 1638407! count 0, type 3
2021-03-22 16:31:55.751 9365-9365/com.example.camera E/ACameraMetadata: filterDurations: malformed duration key 1638408! count 0, type 0
2021-03-22 16:31:55.797 9365-9480/com.example.camera W/mobile-ffmpeg: [android_camera @ 0x726794b600] Requested video_size 0x0 not available, falling back to 4608x3456
2021-03-22 16:31:55.804 9365-9480/com.example.camera I/mobile-ffmpeg: [android_camera @ 0x726794b600] Android camera capture session is active.
2021-03-22 16:31:56.097 9365-9480/com.example.camera I/mobile-ffmpeg: Input #0, android_camera, from '0:0':
2021-03-22 16:31:56.098 9365-9480/com.example.camera I/mobile-ffmpeg: Duration: 
2021-03-22 16:31:56.098 9365-9480/com.example.camera I/mobile-ffmpeg: N/A
2021-03-22 16:31:56.098 9365-9480/com.example.camera I/mobile-ffmpeg: , start: 
2021-03-22 16:31:56.098 9365-9480/com.example.camera I/mobile-ffmpeg: 28486.157692
2021-03-22 16:31:56.098 9365-9480/com.example.camera I/mobile-ffmpeg: , bitrate: 
2021-03-22 16:31:56.098 9365-9480/com.example.camera I/mobile-ffmpeg: N/A
2021-03-22 16:31:56.098 9365-9480/com.example.camera I/mobile-ffmpeg: Stream #0:0
2021-03-22 16:31:56.098 9365-9480/com.example.camera I/mobile-ffmpeg: : Video: rawvideo (NV21 / 0x3132564E), nv21, 4608x3456
2021-03-22 16:31:56.098 9365-9480/com.example.camera I/mobile-ffmpeg: , 
2021-03-22 16:31:56.098 9365-9480/com.example.camera I/mobile-ffmpeg: 30 fps, 
2021-03-22 16:31:56.098 9365-9480/com.example.camera I/mobile-ffmpeg: 30 tbr, 
2021-03-22 16:31:56.098 9365-9480/com.example.camera I/mobile-ffmpeg: 1000000000.00 tbn, 
2021-03-22 16:31:56.098 9365-9480/com.example.camera I/mobile-ffmpeg: 1000000000.00 tbc
2021-03-22 16:31:56.098 9365-9480/com.example.camera I/mobile-ffmpeg: Side data:
2021-03-22 16:31:56.098 9365-9480/com.example.camera I/mobile-ffmpeg: 
2021-03-22 16:31:56.098 9365-9480/com.example.camera I/mobile-ffmpeg: displaymatrix: rotation of -90.00 degrees
2021-03-22 16:31:56.098 9365-9480/com.example.camera W/mobile-ffmpeg: Codec AVOption crf (Select the quality for constant quality mode) specified for output file #0 (test.mp4) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
2021-03-22 16:31:56.098 9365-9480/com.example.camera E/mobile-ffmpeg: test.mp4: Read-only file system
2021-03-22 16:31:56.259 9365-9392/com.example.camera D/ACameraDevice: Device error received, code 5, frame number 1, request ID 0, subseq ID 0
2021-03-22 16:31:56.260 9365-9666/com.example.camera D/ACameraDevice: Device error received, code 5, frame number 2, request ID 0, subseq ID 0
2021-03-22 16:31:56.260 9365-9666/com.example.camera D/ACameraDevice: Device error received, code 5, frame number 3, request ID 0, subseq ID 0
2021-03-22 16:31:56.260 9365-9666/com.example.camera D/ACameraDevice: Device error received, code 3, frame number 4, request ID 0, subseq ID 0
2021-03-22 16:31:56.260 9365-9666/com.example.camera D/ACameraDevice: Device error received, code 3, frame number 5, request ID 0, subseq ID 0
2021-03-22 16:31:56.261 9365-9666/com.example.camera D/ACameraDevice: Device error received, code 3, frame number 6, request ID 0, subseq ID 0
2021-03-22 16:31:56.607 9365-9365/com.example.camera W/ACameraCaptureSession: Device is closed but session 0 is not notified
2021-03-22 16:31:56.608 9365-9480/com.example.camera I/mobile-ffmpeg: [android_camera @ 0x726794b600] Android camera capture session was closed.
2021-03-22 16:31:56.637 9365-9365/com.example.camera I/Choreographer: Skipped 58 frames! The application may be doing too much work on its main thread.
2021-03-22 16:31:56.678 9365-9448/com.example.camera I/OpenGLRenderer: Davey! duration=1018ms; Flags=1, IntendedVsync=17591318171185, Vsync=17592284837813, OldestInputEvent=9223372036854775807, NewestInputEvent=0, HandleInputStart=17592296938401, AnimationStart=17592297214183, PerformTraversalsStart=17592304079965, DrawStart=17592327848144, SyncQueued=17592334185436, SyncStart=17592334982572, IssueDrawCommandsStart=17592335124343, SwapBuffers=17592336519968, FrameCompleted=17592337443926, DequeueBufferDuration=165000, QueueBufferDuration=255000, 


The error I'm particularity confused about is :


2021-03-22 16:31:56.098 9365-9480/com.example.camera E/mobile-ffmpeg: test.mp4: Read-only file system


I thought I specified the appropriate permissions in the manifest file ? Please advise.


-
Not able to trim video using "com.arthenica:mobile-ffmpeg-full:4.4"
20 avril 2021, par UMESH GARGI need help in trimming the video in android using : 'mobile-FFmpeg


I posted my code below, which I used to trim the video but every time it goes to the else block(every it fails for android:11,9).
Please help me out.
Thanks in advance


Code :
val cmd = arrayOf("-i", trimmerData.srcPath, "-ss", startTime, "-t", endTime,
"-s", "320x240", "-r", "25", "-vcodec", "mpeg4", "-b:v", "2097152", "-b:a", "48000", "-ac", "2", "-ar", "22050",
"-c", "copy", trimmerData.dstPath)


val rc = FFmpeg.execute(cmd)

 if (rc == RETURN_CODE_SUCCESS) {
 Log.i(Config.TAG, "Command execution completed successfully.")
 scanTrimFile(trimmerData)
 } else if (rc == RETURN_CODE_CANCEL) {
 Log.i(Config.TAG, "Command execution cancelled by user.")
 } else {
 Log.i(Config.TAG, String.format("Command execution failed with rc=%d and the output below.", rc))
 Config.printLastCommandOutput(Log.INFO)
 showTrimmingError()
 }

private fun scanTrimFile(trimmerData: TrimmerData) {
mediaScannerConnection = MediaScannerConnection(this,
object : MediaScannerConnection.MediaScannerConnectionClient {
override fun onMediaScannerConnected() {
mediaScannerConnection.scanFile(trimmerData.dstPath, "video/*")
}

 override fun onScanCompleted(path: String?, uri: Uri?) {
 mediaScannerConnection.disconnect()
 dismissWaitingDialog()
 getResult(Uri.parse(trimmerData.dstPath))
 }

 })
 mediaScannerConnection.connect()
}


Logs :


2021-04-20 13:05:12.869 27051-27051/org.xyz.abc I/mobile-ffmpeg: Loading mobile-ffmpeg.
2021-04-20 13:05:12.880 27051-27051/org.xyz.abc I/mobile-ffmpeg: Loaded mobile-ffmpeg-full-arm64-v8a-4.4-20200725.
2021-04-20 13:05:12.880 27051-30377/org.xyz.abc D/mobile-ffmpeg: Callback thread started.
2021-04-20 13:05:12.881 27051-30377/org.xyz.abc I/mobile-ffmpeg: ffmpeg version v4.4-dev-416
2021-04-20 13:05:12.881 27051-30377/org.xyz.abc I/mobile-ffmpeg: Copyright (c) 2000-2020 the FFmpeg developers
2021-04-20 13:05:12.881 27051-30377/org.xyz.abc I/mobile-ffmpeg: built with Android (6454773 based on r365631c2) clang version 9.0.8 (https://android.googlesource.com/toolchain/llvm-project 98c855489587874b2a325e7a516b99d838599c6f) (based on LLVM 9.0.8svn)
2021-04-20 13:05:12.881 27051-30377/org.xyz.abc I/mobile-ffmpeg: configuration: --cross-prefix=aarch64-linux-android- --sysroot=/files/android-sdk/ndk/21.3.6528147/toolchains/llvm/prebuilt/linux-x86_64/sysroot --prefix=/home/taner/Projects/mobile-ffmpeg/prebuilt/android-arm64/ffmpeg --pkg-config=/usr/bin/pkg-config --enable-version3 --arch=aarch64 --cpu=armv8-a --cc=aarch64-linux-android24-clang --cxx=aarch64-linux-android24-clang++ --extra-libs='-L/home/taner/Projects/mobile-ffmpeg/prebuilt/android-arm64/cpu-features/lib -lndk_compat' --target-os=android --enable-neon --enable-asm --enable-inline-asm --enable-cross-compile --enable-pic --enable-jni --enable-optimizations --enable-swscale --enable-shared --enable-v4l2-m2m --disable-outdev=fbdev --disable-indev=fbdev --enable-small --disable-openssl --disable-xmm-clobber-test --disable-debug --enable-lto --disable-neon-clobber-test --disable-programs --disable-postproc --disable-doc --disable-htmlpages --disable-manpages --disable-podpages --disable-txtpages --disable-static --disable-sndio --disable-schannel --disable-securetransport --disable-xlib --disable-cuda --disable-cuvid --disable-nvenc --disable-vaapi --disable-vdpau --disable-videotoolbox --disable-audiotoolbox --disable-appkit --disable-alsa --disable-cuda --disable-cuvid --disable-nvenc --disable-vaapi --disable-vdpau --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-gmp --enable-gnutls --enable-libmp3lame --enable-libass --enable-iconv --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libxml2 --enable-libopencore-amrnb --enable-libshine --enable-libspeex --enable-libwavpack --enable-libkvazaar --enable-libilbc --enable-libopus --enable-libsnappy --enable-libsoxr --enable-libaom --enable-libtwolame --disable-sdl2 --enable-libvo-amrwbenc --enable-zlib --enable-mediacodec
2021-04-20 13:05:12.881 27051-30377/org.xyz.abc I/mobile-ffmpeg: libavutil 56. 55.100 / 56. 55.100
2021-04-20 13:05:12.881 27051-30377/org.xyz.abc I/mobile-ffmpeg: libavcodec 58. 96.100 / 58. 96.100
2021-04-20 13:05:12.881 27051-30377/org.xyz.abc I/mobile-ffmpeg: libavformat 58. 48.100 / 58. 48.100
2021-04-20 13:05:12.881 27051-30377/org.xyz.abc I/mobile-ffmpeg: libavdevice 58. 11.101 / 58. 11.101
2021-04-20 13:05:12.881 27051-30377/org.xyz.abc I/mobile-ffmpeg: libavfilter 7. 87.100 / 7. 87.100
2021-04-20 13:05:12.881 27051-30377/org.xyz.abc I/mobile-ffmpeg: libswscale 5. 8.100 / 5. 8.100
2021-04-20 13:05:12.881 27051-30377/org.xyz.abc I/mobile-ffmpeg: libswresample 3. 8.100 / 3. 8.100
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/storage/emulated/0/Android/data/org.xyz.abc/files/Tch Plus Recorder/tch_video_1618904094681.mp4':
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: Metadata:
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: major_brand : 
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: mp42
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: minor_version : 
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: 0
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: compatible_brands: 
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: isommp42
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: creation_time : 
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: 2021-04-20T07:35:06.000000Z
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: com.android.version: 
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: 11
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: Duration: 
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: 00:00:10.07
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: , start: 
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: 0.000000
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: , bitrate: 
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: 12089 kb/s
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: Stream #0:0
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: (eng)
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: : Video: h264 (avc1 / 0x31637661), yuv420p(tv, bt709), 1280x720, 11998 kb/s
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: , SAR 1:1 DAR 16:9
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: , 
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: 29.81 fps, 
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: 30 tbr, 
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: 90k tbn, 
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: 180k tbc
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: (default)
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: Metadata:
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: rotate : 
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: 90
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: creation_time : 
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: 2021-04-20T07:35:06.000000Z
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: handler_name : 
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: VideoHandle
2021-04-20 13:05:12.897 27051-30377/org.xyz.abc I/mobile-ffmpeg: Side data:
2021-04-20 13:05:12.898 27051-30377/org.xyz.abc I/mobile-ffmpeg: 
2021-04-20 13:05:12.898 27051-30377/org.xyz.abc I/mobile-ffmpeg: displaymatrix: rotation of -90.00 degrees
2021-04-20 13:05:12.898 27051-30377/org.xyz.abc I/mobile-ffmpeg: Stream #0:1
2021-04-20 13:05:12.898 27051-30377/org.xyz.abc I/mobile-ffmpeg: (eng)
2021-04-20 13:05:12.898 27051-30377/org.xyz.abc I/mobile-ffmpeg: : Audio: aac (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 96 kb/s
2021-04-20 13:05:12.898 27051-30377/org.xyz.abc I/mobile-ffmpeg: (default)
2021-04-20 13:05:12.898 27051-30377/org.xyz.abc I/mobile-ffmpeg: Metadata:
2021-04-20 13:05:12.898 27051-30377/org.xyz.abc I/mobile-ffmpeg: creation_time : 
2021-04-20 13:05:12.898 27051-30377/org.xyz.abc I/mobile-ffmpeg: 2021-04-20T07:35:06.000000Z
2021-04-20 13:05:12.898 27051-30377/org.xyz.abc I/mobile-ffmpeg: handler_name : 
2021-04-20 13:05:12.898 27051-30377/org.xyz.abc I/mobile-ffmpeg: SoundHandle
2021-04-20 13:05:12.898 27051-30377/org.xyz.abc E/mobile-ffmpeg: /storage/emulated/0/TchTrimVideo/tch_trim_Video1618904108454.mp4: No such file or directory
2021-04-20 13:05:12.898 27051-27051/org.xyz.abc I/mobile-ffmpeg: Command execution failed with rc=1 and the output below.
2021-04-20 13:05:12.899 27051-27051/org.xyz.abc I/mobile-ffmpeg: ffmpeg version v4.4-dev-416 Copyright (c) 2000-2020 the FFmpeg developers
 built with Android (6454773 based on r365631c2) clang version 9.0.8 (https://android.googlesource.com/toolchain/llvm-project 98c855489587874b2a325e7a516b99d838599c6f) (based on LLVM 9.0.8svn)
 configuration: --cross-prefix=aarch64-linux-android- --sysroot=/files/android-sdk/ndk/21.3.6528147/toolchains/llvm/prebuilt/linux-x86_64/sysroot --prefix=/home/taner/Projects/mobile-ffmpeg/prebuilt/android-arm64/ffmpeg --pkg-config=/usr/bin/pkg-config --enable-version3 --arch=aarch64 --cpu=armv8-a --cc=aarch64-linux-android24-clang --cxx=aarch64-linux-android24-clang++ --extra-libs='-L/home/taner/Projects/mobile-ffmpeg/prebuilt/android-arm64/cpu-features/lib -lndk_compat' --target-os=android --enable-neon --enable-asm --enable-inline-asm --enable-cross-compile --enable-pic --enable-jni --enable-optimizations --enable-swscale --enable-shared --enable-v4l2-m2m --disable-outdev=fbdev --disable-indev=fbdev --enable-small --disable-openssl --disable-xmm-clobber-test --disable-debug --enable-lto --disable-neon-clobber-test --disable-programs --disable-postproc --disable-doc --disable-htmlpages --disable-manpages --disable-podpages --disable-txtpages --disable-static --disable-sndio --disable-schannel --disable-securetransport --disable-xlib --disable-cuda --disable-cuvid --disable-nvenc --disable-vaapi --disable-vdpau --disable-videotoolbox --disable-audiotoolbox --disable-appkit --disable-alsa --disable-cuda --disable-cuvid --disable-nvenc --disable-vaapi --disable-vdpau --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-gmp --enable-gnutls --enable-libmp3lame --enable-libass --enable-iconv --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libxml2 --enable-libopencore-amrnb --enable-libshine --enable-libspeex --enable-libwavpack --enable-libkvazaar --enable-libilbc --enable-libopus --enable-libsnappy --enable-libsoxr --enable-libaom --enable-libtwolame --disable-sdl2 --enable-libvo-amrwbenc --enable-zlib --enable-mediacodec
 libavutil 56. 55.100 / 56. 55.100
 libavcodec 58. 96.100 / 58. 96.100
 libavformat 58. 48.100 / 58. 48.100
 libavdevice 58. 11.101 / 58. 11.101
 libavfilter 7. 87.100 / 7. 87.100
 libswscale 5. 8.100 / 5. 8.100
 libswresample 3. 8.100 / 3. 8.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/storage/emulated/0/Android/data/org.xyz.abc/files/Tch Plus Recorder/tch_video_1618904094681.mp4':
 Metadata:
 major_brand : mp42
 minor_version : 0
 compatible_brands: isommp42
 creation_time : 2021-04-20T07:35:06.000000Z
 com.android.version: 11
 Duration: 00:00:10.07, start: 0.000000, bitrate: 12089 kb/s
 Stream #0:0(eng): Video: h264 (avc1 / 0x31637661), yuv420p(tv, bt709), 1280x720, 11998 kb/s, SAR 1:1 DAR 16:9, 29.81 fps, 30 tbr, 90k tbn, 180k tbc (default)
 Metadata:
 rotate : 90
 creation_time : 2021-04-20T07:35:06.000000Z
 handler_name : VideoHandle
 Side data:
 displaymatrix: rotation of -90.00 degrees
 Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 96 kb/s (default)
 Metadata:
 creation_time : 2021-04-20T07:35:06.000000Z
 handler_name : SoundHandle
 /storage/emulated/0/TchTrimVideo/tch_trim_Video1618904108454.mp4: No such file or directory


-
Android : How to trim WAV audio programmatically in API 30 ?
26 mai 2021, par Andrea ZaffanellaI need to be able trim wav audio files for an application I'm building.. but I have several problems.
I tried using FFmpeg-android, but if you target the latest SDK, and in the future, android no longer allows using "FFmpeg.execute". I also tried with the newer mobile-FFmpeg, but the developer stopped maintaining it a few months ago... I also would like to avoid heavy frameworks to also work with video, since I only need to work with audio. I can't find answers anywhere, what am I supposed to do ?


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