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Autres articles (17)
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Use, discuss, criticize
13 avril 2011, parTalk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
A discussion list is available for all exchanges between users. -
MediaSPIP Player : problèmes potentiels
22 février 2011, parLe lecteur ne fonctionne pas sur Internet Explorer
Sur Internet Explorer (8 et 7 au moins), le plugin utilise le lecteur Flash flowplayer pour lire vidéos et son. Si le lecteur ne semble pas fonctionner, cela peut venir de la configuration du mod_deflate d’Apache.
Si dans la configuration de ce module Apache vous avez une ligne qui ressemble à la suivante, essayez de la supprimer ou de la commenter pour voir si le lecteur fonctionne correctement : /** * GeSHi (C) 2004 - 2007 Nigel McNie, (...) -
MediaSPIP Player : les contrôles
26 mai 2010, parLes contrôles à la souris du lecteur
En plus des actions au click sur les boutons visibles de l’interface du lecteur, il est également possible d’effectuer d’autres actions grâce à la souris : Click : en cliquant sur la vidéo ou sur le logo du son, celui ci se mettra en lecture ou en pause en fonction de son état actuel ; Molette (roulement) : en plaçant la souris sur l’espace utilisé par le média (hover), la molette de la souris n’exerce plus l’effet habituel de scroll de la page, mais diminue ou (...)
Sur d’autres sites (5798)
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MediaElement ffmpeg windows 8.1 [on hold]
30 mai 2014, par user3084145how can in read an ffmpeg stream in windows 8.1 app
i’ve tryed with MediaElement but didn’t work -
FileNotFoundError : [WinError 2] The system cannot find the file specified - FFMPEG
5 avril 2024, par shiftyscalesI am running a script using conda environment on Windows and getting this error (stack trace below), which is apparently caused by python executable not being able to find the ffmpeg.exe. There are numerous questions about this, but none of the solutions unfortunately worked for me, so I hope someone has fresh ideas.


What I tried :


- 

conda install -c conda-forge ffmpeg(after this I can run ffmpeg in command line, but still getting the error)pip install ffmpeg-python- Added the folder where ffmpeg.exe is located in conda env to the Windows Path as well as to sys.path in python.
- copied the same ffmpeg.exe a) to the location of python.exe in conda env, b) to the location of the script I am running, c) to the location of subprocess.py.
- Downloaded ffmpeg windows binary and repeated the last two steps with that file.












Is there anything else that I can try to make it work ?


---------------------------------------------------------------------------
FileNotFoundError Traceback (most recent call last)
Cell In[10], line 22
 19 truncate_second = 8.2 # Video end = start_second + truncate_second
 21 # Extract Video CAVP Features & New Video Path:
---> 22 cavp_feats, new_video_path = extract_cavp(video_path, start_second, truncate_second, tmp_path=tmp_path)

File D:\Software\Anaconda\envs\diff_foley\Lib\site-packages\torch\nn\modules\module.py:1518, in Module._wrapped_call_impl(self, *args, **kwargs)
 1516 return self._compiled_call_impl(*args, **kwargs) # type: ignore[misc]
 1517 else:
-> 1518 return self._call_impl(*args, **kwargs)

File D:\Software\Anaconda\envs\diff_foley\Lib\site-packages\torch\nn\modules\module.py:1527, in Module._call_impl(self, *args, **kwargs)
 1522 # If we don't have any hooks, we want to skip the rest of the logic in
 1523 # this function, and just call forward.
 1524 if not (self._backward_hooks or self._backward_pre_hooks or self._forward_hooks or self._forward_pre_hooks
 1525 or _global_backward_pre_hooks or _global_backward_hooks
 1526 or _global_forward_hooks or _global_forward_pre_hooks):
-> 1527 return forward_call(*args, **kwargs)
 1529 try:
 1530 result = None

File D:\Software\Anaconda\envs\diff_foley\Lib\site-packages\torch\utils\_contextlib.py:115, in context_decorator.<locals>.decorate_context(*args, **kwargs)
 112 @functools.wraps(func)
 113 def decorate_context(*args, **kwargs):
 114 with ctx_factory():
--> 115 return func(*args, **kwargs)

File D:\Work\DIff-Foley\Diff-Foley\inference\demo_util.py:131, in Extract_CAVP_Features.forward(self, video_path, start_second, truncate_second, tmp_path)
 129 print("truncate second: ", truncate_second)
 130 # Load the video, change fps:
--> 131 video_path_low_fps = reencode_video_with_diff_fps(video_path, self.tmp_path, self.fps, start_second, truncate_second)
 132 video_path_high_fps = reencode_video_with_diff_fps(video_path, self.tmp_path, 21.5, start_second, truncate_second)
 134 # read the video:

File D:\Work\DIff-Foley\Diff-Foley\inference\demo_util.py:42, in reencode_video_with_diff_fps(video_path, tmp_path, extraction_fps, start_second, truncate_second)
 31 def reencode_video_with_diff_fps(video_path: str, tmp_path: str, extraction_fps: int, start_second, truncate_second) -> str:
 32 '''Reencodes the video given the path and saves it to the tmp_path folder.
 33 
 34 Args:
 (...)
 40 str: The path where the tmp file is stored. To be used to load the video from
 41 '''
---> 42 assert which_ffmpeg() != '', 'Is ffmpeg installed? Check if the conda environment is activated.'
 43 # assert video_path.endswith('.mp4'), 'The file does not end with .mp4. Comment this if expected'
 44 # create tmp dir if doesn't exist
 45 os.makedirs(tmp_path, exist_ok=True)

File D:\Work\DIff-Foley\Diff-Foley\inference\demo_util.py:26, in which_ffmpeg()
 20 def which_ffmpeg() -> str:
 21 '''Determines the path to ffmpeg library
 22 
 23 Returns:
 24 str -- path to the library
 25 '''
---> 26 result = subprocess.run(['which', 'ffmpeg'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
 27 ffmpeg_path = result.stdout.decode('utf-8').replace('\n', '')
 28 return ffmpeg_path

File D:\Software\Anaconda\envs\diff_foley\Lib\subprocess.py:548, in run(input, capture_output, timeout, check, *popenargs, **kwargs)
 545 kwargs['stdout'] = PIPE
 546 kwargs['stderr'] = PIPE
--> 548 with Popen(*popenargs, **kwargs) as process:
 549 try:
 550 stdout, stderr = process.communicate(input, timeout=timeout)

File D:\Software\Anaconda\envs\diff_foley\Lib\subprocess.py:1026, in Popen.__init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, user, group, extra_groups, encoding, errors, text, umask, pipesize, process_group)
 1022 if self.text_mode:
 1023 self.stderr = io.TextIOWrapper(self.stderr,
 1024 encoding=encoding, errors=errors)
-> 1026 self._execute_child(args, executable, preexec_fn, close_fds,
 1027 pass_fds, cwd, env,
 1028 startupinfo, creationflags, shell,
 1029 p2cread, p2cwrite,
 1030 c2pread, c2pwrite,
 1031 errread, errwrite,
 1032 restore_signals,
 1033 gid, gids, uid, umask,
 1034 start_new_session, process_group)
 1035 except:
 1036 # Cleanup if the child failed starting.
 1037 for f in filter(None, (self.stdin, self.stdout, self.stderr)):

File D:\Software\Anaconda\envs\diff_foley\Lib\subprocess.py:1538, in Popen._execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, unused_restore_signals, unused_gid, unused_gids, unused_uid, unused_umask, unused_start_new_session, unused_process_group)
 1536 # Start the process
 1537 try:
-> 1538 hp, ht, pid, tid = _winapi.CreateProcess(executable, args,
 1539 # no special security
 1540 None, None,
 1541 int(not close_fds),
 1542 creationflags,
 1543 env,
 1544 cwd,
 1545 startupinfo)
 1546 finally:
 1547 # Child is launched. Close the parent's copy of those pipe
 1548 # handles that only the child should have open. You need
 (...)
 1551 # pipe will not close when the child process exits and the
 1552 # ReadFile will hang.
 1553 self._close_pipe_fds(p2cread, p2cwrite,
 1554 c2pread, c2pwrite,
 1555 errread, errwrite)

FileNotFoundError: [WinError 2] The system cannot find the file specified
</locals>

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Cant link against ffmpeg static build
24 mars 2017, par David BarishevI have build ffmpeg libraries statically for x86 android using a custom configuration.Now i wanted to add them in my android project.
Im using ffmpeg 3.2.git, android studio 2.3.
I created a folder named distribution which had my binaries, and the minimum headers i needed for it to not tell me about missing header (Except for the avutil- i just included them all), located the root of my project.
Here is a file tree :distribution
├── libavcodec
│ ├── lib
│ │ └── x86
│ │ └── libavcodec.a
│ ├── avcodec.h
│ └── version.h
├── libavfilter
│ ├── lib
│ │ └── x86
│ │ └── libavfilter.a
│ ├── avfiltergraph.h
│ └── avfilter.h
├── libavformat
│ ├── lib
│ │ └── x86
│ │ └── libavformat.a
│ ├── avformat.h
│ ├── avio.h
│ └── version.h
├── libavutil
│ ├── lib
│ │ └── x86
│ │ └── libavutil.a
│ ├── attributes.h
│ ├── avconfig.h
│ ├── avutil.h
│ ├── buffer.h
│ ├── buffer_internal.h
│ ├── camellia.h
│ ├── cast5.h
│ ├── channel_layout.h
│ ├── colorspace.h
│ ├── color_utils.h
│ ├── common.h
│ ├── cpu.h
│ ├── cpu_internal.h
│ ├── crc.h
│ ├── des.h
│ ├── dict.h
│ ├── display.h
│ ├── downmix_info.h
│ ├── dynarray.h
│ ├── error.h
│ ├── eval.h
│ ├── ffmath.h
│ ├── ffversion.h
│ ├── fifo.h
│ ├── file.h
│ ├── fixed_dsp.h
│ ├── float_dsp.h
│ ├── frame.h
│ ├── hash.h
│ ├── hmac.h
│ ├── hwcontext_cuda.h
│ ├── hwcontext_cuda_internal.h
│ ├── hwcontext_dxva2.h
│ ├── hwcontext.h
│ ├── hwcontext_internal.h
│ ├── hwcontext_qsv.h
│ ├── hwcontext_vaapi.h
│ ├── hwcontext_vdpau.h
│ ├── imgutils.h
│ ├── integer.h
│ ├── internal.h
│ ├── intfloat.h
│ ├── intmath.h
│ ├── intreadwrite.h
│ ├── lfg.h
│ ├── libm.h
│ ├── lls.h
│ ├── log.h
│ ├── lzo.h
│ ├── macros.h
│ ├── mastering_display_metadata.h
│ ├── mathematics.h
│ ├── md5.h
│ ├── mem.h
│ ├── mem_internal.h
│ ├── motion_vector.h
│ ├── murmur3.h
│ ├── opencl.h
│ ├── opencl_internal.h
│ ├── opt.h
│ ├── parseutils.h
│ ├── pca.h
│ ├── pixdesc.h
│ ├── pixelutils.h
│ ├── pixfmt.h
│ ├── qsort.h
│ ├── random_seed.h
│ ├── rational.h
│ ├── rc4.h
│ ├── replaygain.h
│ ├── reverse.h
│ ├── ripemd.h
│ ├── samplefmt.h
│ ├── sha512.h
│ ├── sha.h
│ ├── softfloat.h
│ ├── softfloat_ieee754.h
│ ├── softfloat_tables.h
│ ├── spherical.h
│ ├── stereo3d.h
│ ├── tablegen.h
│ ├── tea.h
│ ├── thread.h
│ ├── threadmessage.h
│ ├── timecode.h
│ ├── time.h
│ ├── time_internal.h
│ ├── timer.h
│ ├── timestamp.h
│ ├── tree.h
│ ├── twofish.h
│ └── version.h
└── libswresample
├── lib
│ └── x86
│ └── libswresample.a
├── swresample.h
└── swresample_internal.hI edited my cmake to include the libraries :
add_library(
native-lib
SHARED
src/main/cpp/native-lib.cpp )
set(distribution_DIR ${CMAKE_SOURCE_DIR}/../distribution)
add_library(lib_avcodec STATIC IMPORTED)
set_target_properties(lib_avcodec PROPERTIES IMPORTED_LOCATION
${distribution_DIR}/libavcodec/lib/${ANDROID_ABI}/libavcodec.a)
add_library(lib_avfilter STATIC IMPORTED)
set_target_properties(lib_avfilter PROPERTIES IMPORTED_LOCATION
${distribution_DIR}/libavfilter/lib/${ANDROID_ABI}/libavfilter.a)
add_library(lib_avformat STATIC IMPORTED)
set_target_properties(lib_avformat PROPERTIES IMPORTED_LOCATION
${distribution_DIR}/libavformat/lib/${ANDROID_ABI}/libavformat.a)
add_library(lib_avutil STATIC IMPORTED)
set_target_properties(lib_avutil PROPERTIES IMPORTED_LOCATION
${distribution_DIR}/libavutil/lib/${ANDROID_ABI}/libavutil.a)
add_library(lib_swresample STATIC IMPORTED)
set_target_properties(lib_swresample PROPERTIES IMPORTED_LOCATION
${distribution_DIR}/libswresample/lib/${ANDROID_ABI}/libswresample.a)
include_directories(
${distribution_DIR}
)
target_link_libraries(
native-lib
lib_avcodec
lib_avfilter
lib_avformat
lib_avutil
lib_swresample
)I also restricted the build to only x86, in my app build.gradle :
ndk {
// Specifies the ABI configurations of your native
// libraries Gradle should build and package with your APK.
abiFilters 'x86'
}The project gradle sync worked successfully.
I wrote the following code in my cpp file :#include
extern "C"{
#include "libavformat/avformat.h"
}
JNIEXPORT void JNICALL
Java_com_example_david_testffmpegcpp_MainActivity_stringFromJNI(
JNIEnv *env,
jobject /* this */) {
av_register_all ();
avformat_network_init ();
}Just to check if the library works, but i cant seem to link against the libraries correctly. It complains about undefined symbols.
What did i do wrong ?Error :
[2/2] Linking CXX shared library
..\..\..\..\build\intermediates\cmake\debug\obj\x86\libnative-lib.so
FAILED: cmd.exe /C "cd . && D:\AndroidSDK\ndk-bundle\toolchains\llvm\prebuilt\windows-x86_64\bin\clang++.exe --target=i686-none-linux-android --gcc-toolchain=D:/AndroidSDK/ndk-bundle/toolchains/x86-4.9/prebuilt/windows-x86_64 --sysroot=D:/AndroidSDK/ndk-bundle/platforms/android-16/arch-x86 -fPIC -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -mstackrealign -Wa,--noexecstack -Wformat -Werror=format-security -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -mstackrealign -Wa,--noexecstack -Wformat -Werror=format-security -O0 -fno-limit-debug-info -O0 -fno-limit-debug-info -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -shared -Wl,-soname,libnative-lib.so -o ..\..\..\..\build\intermediates\cmake\debug\obj\x86\libnative-lib.so CMakeFiles/native-lib.dir/src/main/cpp/native-lib.cpp.o -llog ../../../../../distribution/libavcodec/lib/x86/libavcodec.a ../../../../../distribution/libavfilter/lib/x86/libavfilter.a ../../../../../distribution/libavformat/lib/x86/libavformat.a ../../../../../distribution/libavutil/lib/x86/libavutil.a ../../../../../distribution/libswresample/lib/x86/libswresample.a -lm "D:/AndroidSDK/ndk-bundle/sources/cxx-stl/gnu-libstdc++/4.9/libs/x86/libgnustl_static.a" && cd ."
src/libavformat/allformats.c:51: error: undefined reference to 'avcodec_register_all'
src/libavformat/id3v2.c:1009: error: undefined reference to 'uncompress'
src/libavformat/id3v2.c:1153: error: undefined reference to 'av_init_packet'
src/libavformat/matroskadec.c:1393: error: undefined reference to 'inflateInit_'
src/libavformat/matroskadec.c:1408: error: undefined reference to 'inflate'
src/libavformat/matroskadec.c:1401: error: undefined reference to 'inflateEnd'
src/libavformat/matroskadec.c:1411: error: undefined reference to 'inflateEnd'
src/libavformat/matroskadec.c:3113: error: undefined reference to 'av_new_packet'
src/libavformat/matroskadec.c:3134: error: undefined reference to 'av_packet_new_side_data'
src/libavformat/matroskadec.c:2855: error: undefined reference to 'av_new_packet'
src/libavformat/matroskadec.c:3147: error: undefined reference to 'av_packet_new_side_data'
src/libavformat/matroskadec.c:3022: error: undefined reference to 'av_new_packet'
src/libavformat/matroskadec.c:3031: error: undefined reference to 'av_packet_new_side_data'
src/libavformat/matroskadec.c:3042: error: undefined reference to 'av_packet_new_side_data'
src/libavformat/matroskadec.c:3151: error: undefined reference to 'av_packet_unref'
src/libavformat/matroskadec.c:2680: error: undefined reference to 'av_packet_unref'
src/libavformat/matroskadec.c:963: error: undefined reference to 'av_fast_padded_malloc'
src/libavformat/matroskadec.c:2163: error: undefined reference to 'av_get_codec_tag_string'
src/libavformat/matroskadec.c:2680: error: undefined reference to 'av_packet_unref'
src/libavformat/matroskadec.c:2579: error: undefined reference to 'av_init_packet'
src/libavformat/matroskadec.c:2580: error: undefined reference to 'av_new_packet'
src/libavformat/matroskadec.c:1715: error: undefined reference to 'avpriv_mpeg4audio_sample_rates'
src/libavformat/matroskadec.c:1715: error: undefined reference to 'avpriv_mpeg4audio_sample_rates'
src/libavformat/matroskadec.c:1715: error: undefined reference to 'avpriv_mpeg4audio_sample_rates'
src/libavformat/matroskadec.c:1866: error: undefined reference to 'avcodec_chroma_pos_to_enum'
src/libavformat/matroskadec.c:2680: error: undefined reference to 'av_packet_unref'
src/libavformat/matroskaenc.c:2482: error: undefined reference to 'avcodec_get_type'
src/libavformat/matroskaenc.c:646: error: undefined reference to 'avpriv_split_xiph_headers'
src/libavformat/matroskaenc.c:1066: error: undefined reference to 'av_get_bits_per_sample'
src/libavformat/matroskaenc.c:723: error: undefined reference to 'avpriv_mpeg4audio_get_config'
src/libavformat/matroskaenc.c:875: error: undefined reference to 'avcodec_enum_to_chroma_pos'
src/libavformat/matroskaenc.c:813: error: undefined reference to 'avcodec_get_name'
src/libavformat/matroskaenc.c:806: error: undefined reference to 'avcodec_get_name'
src/libavformat/matroskaenc.c:824: error: undefined reference to 'avcodec_get_name'
.....
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