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Sur d’autres sites (8212)
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python imageio.get_reader() returns odd exception
17 août 2020, par tristan_jiaimport imageio

reader = imageio.get_reader("./t.mp4")


As shown above, with python 3.6.10, it returns :


>>> reader = imageio.get_reader("../")
Traceback (most recent call last):
 File "<stdin>", line 1, in <module>
 File "/home/tristan_jia/workspace/py3.6/venv/lib/python3.6/site-packages/imageio/core/functions.py", line 129, in get_reader
 return format.get_reader(request)
 File "/home/tristan_jia/workspace/py3.6/venv/lib/python3.6/site-packages/imageio/core/format.py", line 168, in get_reader
 return self.Reader(self, request)
 File "/home/tristan_jia/workspace/py3.6/venv/lib/python3.6/site-packages/imageio/core/format.py", line 217, in __init__
 self._open(**self.request.kwargs.copy())
 File "/home/tristan_jia/workspace/py3.6/venv/lib/python3.6/site-packages/imageio/plugins/ffmpeg.py", line 357, in _open
 self._initialize()
 File "/home/tristan_jia/workspace/py3.6/venv/lib/python3.6/site-packages/imageio/plugins/ffmpeg.py", line 430, in _initialize
 shell=ISWIN)
 File "/usr/lib64/python3.6/subprocess.py", line 729, in __init__
 restore_signals, start_new_session)
 File "/usr/lib64/python3.6/subprocess.py", line 1364, in _execute_child
 raise child_exception_type(errno_num, err_msg, err_filename)
OSError: [Errno 8] Exec format error: '/home/tristan_jia/.imageio/ffmpeg/ffmpeg-linux64-v3.3.1'

</module></stdin>

I searched everywhere but haven't seen any similar questions. The script runs on Opensuse Leap 15.1, is it related to the system I use ?


-
How to read errors when compiling from source code
28 décembre 2022, par slyfox1186Goal :


Compile multiple libraries from source code to ultimately install a fully compiled version of FFmpeg with desirable libraries attached.


Problem :


During the compilation, all libraries (seemingly) are successful until liblv2 is reached.


Error output via terminal :


building lv2 - version 1.18.10
=======================
Downloading https://lv2plug.in/spec/lv2-1.18.10.tar.xz as lv2-1.18.10.tar.bz2
... Done
Extracted lv2-1.18.10.tar.bz2
$ python3 ./waf configure --prefix=/home/jman/tmp/ffmpeg/ffmpeg-build/workspace --lv2-user
python3: can't open file '/home/jman/tmp/ffmpeg/ffmpeg-build/packages/lv2-1.18.10/./waf': [Errno 2] No such file or directory

Failed to Execute python3 ./waf configure --prefix=/home/jman/tmp/ffmpeg/ffmpeg-build/workspace --lv2-user


Where I need guidance :


python3: can't open file '/home/jman/tmp/ffmpeg/ffmpeg-build/packages/lv2-1.18.10/./waf': [Errno 2] No such file or directory


My question :


What does this part mean ?


lv2-1.18.10/./waf'

specifically the part /./


My best guess so far is it :


- 

- obviously is looking for a directory it can't find (perhaps because it truly doesn't exist)
- The missing
'waf'directory should be located inside either the"${PACKAGES}"or"${WORKSPACE}"directory.






The
${PACKAGES}"path in this script should =/home/jman/tmp/ffmpeg/ffmpeg-build/packages

The
${WORKSPACE}"path in this script should =/home/jman/tmp/ffmpeg/ffmpeg-build/workspace

The full build script :


https://github.com/slyfox1186/ffmpeg-build-script/blob/master/scripts/build-ffmpeg

I tried my best to make this worth sometimes time without giving too much info... sorry if I don't meet the expectations of this forum.


Am I even close ?


-
android - ffmpeg output audio contains garbled sound at the end
31 mai 2017, par ShaI’m converting an audio (recorded via android phone with output type
MPEG_4and encoderDEFAULT) tomp3usingffmpeglike this :-y -i /data/user/0/com.whispero.mithoo/files/input.mp3 -codec:a libmp3lame -qscale:a 2 /data/user/0/com.whispero.mithoo/files/output.mp3if the input audio is >20 seconds, there’s garbled audio at the end in the converted output file, otherwise if it’s <20 seconds, the output is fine.
log :
05-31 15:54:41.760 11922-11922/com.home.myapp E/onStart: onStart
05-31 15:54:41.788 11922-11922/com.home.myapp E/first visible: 18: 4: total22,last:21
05-31 15:54:42.046 11922-11922/com.home.myapp E/onProgress: ffmpeg version n3.0.1 Copyright (c) 2000-2016 the FFmpeg developers
05-31 15:54:42.046 11922-11922/com.home.myapp E/onProgress: built with gcc 4.8 (GCC)
05-31 15:54:42.047 11922-11922/com.home.myapp E/onProgress: configuration: --target-os=linux --cross-prefix=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --enable-libmp3lame --enable-fontconfig --enable-pthreads --disable-debug --disable-ffserver --enable-version3 --enable-hardcoded-tables --disable-ffplay --disable-ffprobe --enable-gpl --enable-yasm --disable-doc --disable-shared --enable-static --pkg-config=/home/vagrant/SourceCode/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/vagrant/SourceCode/ffmpeg-android/build/armeabi-v7a --extra-cflags='-I/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all' --extra-ldflags='-L/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
05-31 15:54:42.047 11922-11922/com.home.myapp E/onProgress: libavutil 55. 17.103 / 55. 17.103
05-31 15:54:42.047 11922-11922/com.home.myapp E/onProgress: libavcodec 57. 24.102 / 57. 24.102
05-31 15:54:42.047 11922-11922/com.home.myapp E/onProgress: libavformat 57. 25.100 / 57. 25.100
05-31 15:54:42.048 11922-11922/com.home.myapp E/onProgress: libavdevice 57. 0.101 / 57. 0.101
05-31 15:54:42.048 11922-11922/com.home.myapp E/onProgress: libavfilter 6. 31.100 / 6. 31.100
05-31 15:54:42.048 11922-11922/com.home.myapp E/onProgress: libswscale 4. 0.100 / 4. 0.100
05-31 15:54:42.048 11922-11922/com.home.myapp E/onProgress: libswresample 2. 0.101 / 2. 0.101
05-31 15:54:42.049 11922-11922/com.home.myapp E/onProgress: libpostproc 54. 0.100 / 54. 0.100
05-31 15:54:42.053 11922-11922/com.home.myapp E/onProgress: Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/data/user/0/com.home.myapp/files/166_31052017155411.mp3':
05-31 15:54:42.053 11922-11922/com.home.myapp E/onProgress: Metadata:
05-31 15:54:42.053 11922-11922/com.home.myapp E/onProgress: major_brand : mp42
05-31 15:54:42.054 11922-11922/com.home.myapp E/onProgress: minor_version : 0
05-31 15:54:42.054 11922-11922/com.home.myapp E/onProgress: compatible_brands: isommp42
05-31 15:54:42.054 11922-11922/com.home.myapp E/onProgress: creation_time : 2017-05-31 10:54:41
05-31 15:54:42.055 11922-11922/com.home.myapp E/onProgress: com.android.version: 6.0.1
05-31 15:54:42.055 11922-11922/com.home.myapp E/onProgress: Duration: 00:00:29.98, start: 0.000000, bitrate: 15 kb/s
05-31 15:54:42.056 11922-11922/com.home.myapp E/onProgress: Stream #0:0(eng): Audio: amr_nb (samr / 0x726D6173), 8000 Hz, mono, flt, 12 kb/s (default)
05-31 15:54:42.057 11922-11922/com.home.myapp E/onProgress: Metadata:
05-31 15:54:42.059 11922-11922/com.home.myapp E/onProgress: creation_time : 2017-05-31 10:54:41
05-31 15:54:42.059 11922-11922/com.home.myapp E/onProgress: handler_name : SoundHandle
05-31 15:54:42.089 11922-11922/com.home.myapp E/onProgress: Output #0, mp3, to '/data/user/0/com.home.myapp/files/166_31052017155411.mp3':
05-31 15:54:42.090 11922-11922/com.home.myapp E/onProgress: Metadata:
05-31 15:54:42.090 11922-11922/com.home.myapp E/onProgress: major_brand : mp42
05-31 15:54:42.091 11922-11922/com.home.myapp E/onProgress: minor_version : 0
05-31 15:54:42.092 11922-11922/com.home.myapp E/onProgress: compatible_brands: isommp42
05-31 15:54:42.093 11922-11922/com.home.myapp E/onProgress: com.android.version: 6.0.1
05-31 15:54:42.095 11922-11922/com.home.myapp E/onProgress: TSSE : Lavf57.25.100
05-31 15:54:42.095 11922-11922/com.home.myapp E/onProgress: Stream #0:0(eng): Audio: mp3 (libmp3lame), 8000 Hz, mono, fltp (default)
05-31 15:54:42.096 11922-11922/com.home.myapp E/onProgress: Metadata:
05-31 15:54:42.097 11922-11922/com.home.myapp E/onProgress: creation_time : 2017-05-31 10:54:41
05-31 15:54:42.098 11922-11922/com.home.myapp E/onProgress: handler_name : SoundHandle
05-31 15:54:42.098 11922-11922/com.home.myapp E/onProgress: encoder : Lavc57.24.102 libmp3lame
05-31 15:54:42.099 11922-11922/com.home.myapp E/onProgress: Stream mapping:
05-31 15:54:42.100 11922-11922/com.home.myapp E/onProgress: Stream #0:0 -> #0:0 (amr_nb (amrnb) -> mp3 (libmp3lame))
05-31 15:54:42.100 11922-11922/com.home.myapp E/onProgress: Press [q] to stop, [?] for help
05-31 15:54:42.595 11922-11922/com.home.myapp E/onProgress: size= 18kB time=00:00:05.54 bitrate= 27.0kbits/s speed=11.1x
05-31 15:54:43.096 11922-11922/com.home.myapp E/onProgress: size= 43kB time=00:00:13.32 bitrate= 26.6kbits/s speed=13.3x
05-31 15:54:43.518 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:43.518 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:43.525 11922-11922/com.home.myapp E/onProgress: Multiple frames in a packet from stream 0
05-31 15:54:43.525 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:43.538 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:43.540 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:43.540 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:43.541 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:43.541 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:43.542 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:43.543 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:43.543 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] dtx mode is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented.
05-31 15:54:43.544 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Note: libopencore_amrnb supports dtx
05-31 15:54:43.544 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Not yet implemented in FFmpeg, patches welcome
05-31 15:54:43.545 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:43.546 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:43.546 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:43.547 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:43.547 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:43.548 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:43.549 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:43.549 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:43.550 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:43.551 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:43.551 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:43.552 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:43.552 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:43.553 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:43.554 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:43.555 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:43.556 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] dtx mode is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented.
05-31 15:54:43.557 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Note: libopencore_amrnb supports dtx
05-31 15:54:43.558 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Not yet implemented in FFmpeg, patches welcome
05-31 15:54:43.559 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] dtx mode is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented.
05-31 15:54:43.560 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Note: libopencore_amrnb supports dtx
05-31 15:54:43.561 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Not yet implemented in FFmpeg, patches welcome
05-31 15:54:43.562 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:43.563 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:43.563 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:44.519 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Not yet implemented in FFmpeg, patches welcome
05-31 15:54:44.521 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:44.522 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:44.523 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:44.524 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:44.526 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:44.527 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:44.530 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:44.531 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:44.532 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:44.533 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:44.534 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:44.535 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:44.536 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:44.537 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:44.538 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:44.539 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:44.540 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:44.541 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:44.542 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:44.543 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:44.544 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:44.545 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:44.546 11922-11922/com.home.myapp E/onProgress: [amrnb @ 0xb5bc3400] Corrupt bitstream
05-31 15:54:44.548 11922-11922/com.home.myapp E/onProgress: Error while decoding stream #0:0: Invalid data found when processing input
05-31 15:54:44.549 11922-11922/com.home.myapp E/onProgress: size= 90kB time=00:00:30.03 bitrate= 24.6kbits/s speed=16.6x
05-31 15:54:44.556 11922-11922/com.home.myapp E/onProgress: video:0kB audio:90kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.425926%
05-31 15:54:44.558 11922-11922/com.home.myapp E/SUCCESS: SUCCESS
05-31 15:54:44.558 11922-11922/com.home.myapp E/onFinish: onFinishMy MediaRecorder settings are :
mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
mRecorder.setAudioSamplingRate(24000);
mRecorder.setAudioEncodingBitRate(32000);
Log.e("Path","Createdfilepath:"+mFile.getPath());
mRecorder.setOutputFile(mFile.getPath());
mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
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