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Autres articles (36)
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Contribute to documentation
13 avril 2011Documentation is vital to the development of improved technical capabilities.
MediaSPIP welcomes documentation by users as well as developers - including : critique of existing features and functions articles contributed by developers, administrators, content producers and editors screenshots to illustrate the above translations of existing documentation into other languages
To contribute, register to the project users’ mailing (...) -
Selection of projects using MediaSPIP
2 mai 2011, parThe examples below are representative elements of MediaSPIP specific uses for specific projects.
MediaSPIP farm @ Infini
The non profit organizationInfini develops hospitality activities, internet access point, training, realizing innovative projects in the field of information and communication technologies and Communication, and hosting of websites. It plays a unique and prominent role in the Brest (France) area, at the national level, among the half-dozen such association. Its members (...) -
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.
Sur d’autres sites (6946)
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Video moves sideways when captured raw from camera and piped into ffplay
21 septembre 2018, par peetonnI’m trying to capture video from the camera using
ffmpeg(macOS 10.12) and pipe it for preview intoffplayusingrawvideoand-v copyoptions :ffmpeg -f avfoundation -pixel_format 0rgb -framerate 25 -video_size 1280x720 -i "0" -map 0:v -c copy -f rawvideo - | ffplay -f rawvideo -video_size 1280x720 -pixel_format 0rgb -i -Video captures just fine, however, it constantly moves sideways (see screenshot attached). What might the issue here ?
UPDATE Full
ffmpeglog output :$ ffmpeg -f avfoundation -pixel_format 0rgb -framerate 25 -video_size 1280x720 -i "0" -map 0:v -c copy -f rawvideo - | ffplay -f rawvideo -video_size 1280x720 -pixel_format 0rgb -i -
ffmpeg version 4.0.2ffplay version 4.0.2 Copyright © 2003-2018 the FFmpeg developers Copyright © 2000-2018 the FFmpeg developers
built with Apple LLVM version 9.0.0 (clang-900.0.39.2)
built with Apple LLVM version 9.0.0 (clang-900.0.39.2)
configuration: --prefix=/usr/local/Cellar/ffmpeg/4.0.2 --enable-shared --enable-pthreads --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-gpl --enable-ffplay --enable-libfontconfig --enable-libfreetype --enable-libmp3lame --enable-libx264 --enable-libxvid --enable-opencl --enable-videotoolbox --disable-lzma
configuration: --prefix=/usr/local/Cellar/ffmpeg/4.0.2 --enable-shared --enable-pthreads --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-gpl --enable-ffplay --enable-libfontconfig --enable-libfreetype --enable-libmp3lame --enable-libx264 --enable-libxvid --enable-opencl --enable-videotoolbox --disable-lzma
libavutil 56. 14.100 / 56. 14.100
libavutil 56. 14.100 / 56. 14.100
libavcodec 58. 18.100 / 58. 18.100
libavformat 58. 12.100 / 58. 12.100
libavcodec 58. 18.100 / 58. 18.100
libavdevice 58. 3.100 / 58. 3.100
libavformat 58. 12.100 / 58. 12.100
libavfilter 7. 16.100 / 7. 16.100
libavdevice 58. 3.100 / 58. 3.100
libavresample 4. 0. 0 / 4. 0. 0
libavfilter 7. 16.100 / 7. 16.100
libswscale 5. 1.100 / 5. 1.100
libswresample 3. 1.100 / 3. 1.100
libavresample 4. 0. 0 / 4. 0. 0
libpostproc 55. 1.100 / 55. 1.100
libswscale 5. 1.100 / 5. 1.100
libswresample 3. 1.100 / 3. 1.100
libpostproc 55. 1.100 / 55. 1.100
2018-09-20 09:33:28.013 ffmpeg[45781:16452887] Error loading /Library/Audio/Plug-Ins/HAL/SeratoVirtualAudioPlugIn.plugin/Contents/MacOS/SeratoVirtualAudioPlugIn: dlopen(/Library/Audio/Plug-Ins/HAL/SeratoVirtualAudioPlugIn.plugin/Contents/MacOS/SeratoVirtualAudioPlugIn, 262): no suitable image found. Did find:
/Library/Audio/Plug-Ins/HAL/SeratoVirtualAudioPlugIn.plugin/Contents/MacOS/SeratoVirtualAudioPlugIn: mach-o, but wrong architecture
/Library/Audio/Plug-Ins/HAL/SeratoVirtualAudioPlugIn.plugin/Contents/MacOS/SeratoVirtualAudioPlugIn: mach-o, but wrong architecture
2018-09-20 09:33:28.013 ffmpeg[45781:16452887] Cannot find function pointer New_SHP_PlugIn for factory 834FC054-C1CC-11D6-BD01-00039315CD46 in CFBundle/CFPlugIn 0x7fe63b506d00 Audio/Plug-Ins/HAL/SeratoVirtualAudioPlugIn.plugin> (bundle, not loaded)
2018-09-20 09:33:28.069 ffplay[45782:16452888] Error loading /Library/Audio/Plug-Ins/HAL/SeratoVirtualAudioPlugIn.plugin/Contents/MacOS/SeratoVirtualAudioPlugIn: dlopen(/Library/Audio/Plug-Ins/HAL/SeratoVirtualAudioPlugIn.plugin/Contents/MacOS/SeratoVirtualAudioPlugIn, 262): no suitable image found. Did find:
/Library/Audio/Plug-Ins/HAL/SeratoVirtualAudioPlugIn.plugin/Contents/MacOS/SeratoVirtualAudioPlugIn: mach-o, but wrong architecture
/Library/Audio/Plug-Ins/HAL/SeratoVirtualAudioPlugIn.plugin/Contents/MacOS/SeratoVirtualAudioPlugIn: mach-o, but wrong architecture
2018-09-20 09:33:28.069 ffplay[45782:16452888] Cannot find function pointer New_SHP_PlugIn for factory 834FC054-C1CC-11D6-BD01-00039315CD46 in CFBundle/CFPlugIn 0x7f93f3c13020 Audio/Plug-Ins/HAL/SeratoVirtualAudioPlugIn.plugin> (bundle, not loaded)
[avfoundation @ 0x7fe63c000000] Stream #0: not enough frames to estimate rate; consider increasing probesize
Input #0, avfoundation, from '0':
Duration: N/A, start: 1054.178167, bitrate: N/A
Stream #0:0: Video: rawvideo ([0]RGB / 0x42475200), 0rgb, 1280x720, 1000k tbr, 1000k tbn, 1000k tbc
Output #0, rawvideo, to 'pipe:': 0KB vq= 0KB sq= 0B f=0/0
Metadata:
encoder : Lavf58.12.100
Stream #0:0: Video: rawvideo ([0]RGB / 0x42475200), 0rgb, 1280x720, q=2-31, 1000k tbr, 1000k tbn, 1000k tbc
Stream mapping:
Stream #0:0 -> #0:0 ©
Press [q] to stop, [?] for help
Input #0, rawvideo, from 'pipe:':
Duration: N/A, start: 0.000000, bitrate: 737280 kb/s
Stream #0:0: Video: rawvideo ([0]RGB / 0x42475200), 0rgb, 1280x720, 737280 kb/s, 25 tbr, 25 tbn, 25 tbc
frame= 16 fps=0.0 q=-1.0 size= 57600kB time=00:00:00.60 bitrate=786437.5kbits/s speed=1.frame= 29 fps= 28 q=-1.0 size= 104401kB time=00:00:01.12 bitrate=763617.4kbits/s speed=1.frame= 42 fps= 27 q=-1.0 size= 151201kB time=00:00:01.64 bitrate=755268.5kbits/s speed=1.frame= 55 fps= 26 q=-1.0 size= 198002kB time=00:00:02.16 bitrate=750939.5kbits/s speed=1.frame= 68 fps= 26 q=-1.0 size= 244802kB time=00:00:02.68 bitrate=748290.4kbits/s speed=1.av_interleaved_write_frame(): Broken pipe= 0KB sq= 0B f=0/0
Error writing trailer of pipe:: Broken pipe
frame= 69 fps= 26 q=-1.0 Lsize= 247650kB time=00:00:02.72 bitrate=745863.6kbits/s speed=1.01x
video:248402kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Exiting normally, received signal 2. -
FFmpeg in Python File already exists error
24 septembre 2018, par Abdul RehmanI’m working on a project using python(3.6) and Django(2.0) in which i’m converting a video to mp4 if it’s in any other formate.
Here’s my code :
from views.py :
def generate_thumbnail(filename, thumb_name):
print('func called')
print(filename)
video_input_path = os.path.join(filename)
img_output_path = os.path.join(thumb_name)
subprocess.call(['ffmpeg', '-i', video_input_path, '-ss', '00:00:00.000', 'vframes', '1', img_output_path])
def convert_to_mp4(video_name, only_name):
os.popen(
"ffmpeg -i '{input}' -ac 2 -b:v 2000k -c:a aac -c:v libx264 -b:a 160k -vprofile high -bf 0 -strict experimental -f mp4 '{output}.mp4'".format(
input=video_name, output=only_name))
return True
def perform_upload(video, thumbnail):
print('vdieo name is: {}'.format(video))
servise = discovery.build('storage', 'v1', credentials=credentials)
bucket_name = 'test_bucket004'
print('Uploading the video...')
media = MediaFileUpload(video, chunksize=4149304, mimetype='video/mp4',
resumable=True)
req = servise.objects().insert(
bucket=bucket_name,
name=str(video),
media_body=media,
body={"cacheControl": "public,max-age=31536000"},
predefinedAcl='publicRead'
)
resp = None
while resp is None:
status, resp = req.next_chunk()
print(resp)
video_url = 'http://storage.googleapis.com/' + bucket_name + '/' + str(video)
print('Uploading your thumbnail...')
media = MediaFileUpload(thumbnail, chunksize=4149304, mimetype='image/jpeg',
resumable=True)
req = servise.objects().insert(
bucket=bucket_name,
name=str(thumbnail),
media_body=media,
body={"cacheControl": "public,max-age=31536000"},
predefinedAcl='publicRead'
)
resp = None
while resp is None:
status, resp = req.next_chunk()
print(resp)
thumb_url = 'https://storage.googleapis.com/' + bucket_name + '/' + str(thumbnail)
return video_url, thumb_url
class VideoConverter(generics.ListCreateAPIView):
def get(self, request, *args, **kwargs):
return HttpResponse('Get request', status=200)
def post(self, request, *args, **kwargs):
serializer = VideoConverterSerializer(data=self.request.data)
validation = serializer.is_valid()
print(serializer.errors)
if validation is True:
url = request.POST.get('video_url')
filename = url.split('/')
filename = filename[-1]
print(filename)
ext = filename.split('.')
print(ext[-1])
only_name = ext[0]
urllib.request.urlretrieve(url, filename)
generate_thumbnail(filename, only_name + '_thumbnail.jpg')
if ext == 'mp4':
videourl, thumb_url = perform_upload(filename, only_name + '_thumbnail.jpg')
else:
conversion = convert_to_mp4(filename, only_name)
if conversion is True:
videourl, thumb_url = perform_upload(only_name + '.mp4', only_name + '_thumbnail.jpg')
return HttpResponse('Video url is: {}\n \nThumbnail url is: {}'.format(videourl, thumb_url))
else:
return HttpResponse('Not a valid request')But when I pass it a video of Mp4 format it returns an error in the IDE console like this :
ffmpeg version 4.0.2 Copyright (c) 2000-2018 the FFmpeg developers
built with Apple LLVM version 10.0.0 (clang-1000.10.43.1)
configuration : —prefix=/usr/local/Cellar/ffmpeg/4.0.2 —enable-shared —enable-pthreads —enable-version3 —enable-hardcoded-tables —enable-avresample —cc=clang —host-cflags= —host-ldflags= —enable-gpl —enable-libmp3lame —enable-libx264 —enable-libxvid —enable-opencl —enable-videotoolbox —disable-lzma
libavutil 56. 14.100 / 56. 14.100
libavcodec 58. 18.100 / 58. 18.100
libavformat 58. 12.100 / 58. 12.100
libavdevice 58. 3.100 / 58. 3.100
libavfilter 7. 16.100 / 7. 16.100
libavresample 4. 0. 0 / 4. 0. 0
libswscale 5. 1.100 / 5. 1.100
libswresample 3. 1.100 / 3. 1.100
libpostproc 55. 1.100 / 55. 1.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from ’PHP_GCS.mp4’ :
Metadata :
major_brand : mp42
minor_version : 1
compatible_brands : mp41mp42isom
creation_time : 2018-08-03T13:08:04.000000Z
Duration : 00:01:21.40, start : 0.000000, bitrate : 1584 kb/s
Stream #0:0(und) : Video : h264 (Main) (avc1 / 0x31637661), yuv420p, 1918x1078 [SAR 1:1 DAR 137:77], 1581 kb/s, 30 fps, 30 tbr, 600 tbn, 1200 tbc (default)
Metadata :
creation_time : 2018-08-03T13:08:04.000000Z
handler_name : Core Media VideoFile ’PHP_GCS.mp4’ already exists. Overwrite ? [y/N]
and stop the execution here until I press the enter button.I’m really confused why this is happining because when the video is already mp4 i’m not using
ffmpegbut only for thumbnail generaton.What can be wrong here ?
Thanks in advance !
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Fade Video-Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
27 octobre 2018, par varmashrivastavaI am using below command to add Fade In Fade Out effect to my video
{"-y", "-ss", "" + startMs / 1000, "-t", "" + (endMs - startMs) / 1000, "-i", inputPath, "-acodec", "copy", "-vf", "fade=t=in:st=0:d=5,fade=t=out:st=" + String.valueOf((endMs - startMs) / 1000 - 5) + ":d=5", outputPath};I received below error-
"Failure3.3 5 .3gpffmpeg version n3.0.1 Copyright (c) 2000-2016 the
FFmpeg developers\n built with gcc 4.8 (GCC)\n 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=\n libavutil 55. 17.103 / 55. 17.103\n libavcodec 57. 24.102 / 57. 24.102\n libavformat 57. 25.100 /
57. 25.100\n libavdevice 57. 0.101 / 57. 0.101\n libavfilter 6. 31.100 / 6. 31.100\n libswscale 4. 0.100 / 4. 0.100\n libswresample 2. 0.101 / 2. 0.101\n libpostproc 54. 0.100 /
54. 0.100\nInput #0, mov,mp4,m4a,3gp,3g2,mj2, from ’/storage/emulated/0/DCIM/Camera/VID_20180825_071734915.3gp’ :\n
Metadata :\n major_brand : 3gp4\n minor_version : 0\n
compatible_brands : isom3gp4\n creation_time : 2018-08-25
01:47:47\n com.android.version : 8.0.0\n Duration : 00:00:10.83,
start : 0.000000, bitrate : 17217 kb/s\n Stream #0:0(eng) : Video :
h264 (High) (avc1 / 0x31637661), yuv420p(tv, unknown/bt470bg/unknown),
1920x1080, 16756 kb/s, SAR 1:1 DAR 16:9, 29.49 fps, 29.58 tbr, 90k
tbn, 180k tbc (default)\n Metadata :\n rotate : 90\n
creation_time : 2018-08-25 01:47:47\n handler_name :
VideoHandle\n Side data :\n displaymatrix : rotation of -90.00
degrees\n Stream #0:1(eng) : Audio : aac (LC) (mp4a / 0x6134706D),
48000 Hz, mono, fltp, 128 kb/s (default)\n Metadata :\n
creation_time : 2018-08-25 01:47:47\n handler_name :
SoundHandle\n[h263 @ 0xf49ff400] H.263 does not support resolutions
above 2048x1152\nOutput #0, 3gp, to
’/storage/emulated/0/Movies/fade_video.3gp’ :\n Metadata :\n
major_brand : 3gp4\n minor_version : 0\n
compatible_brands : isom3gp4\n com.android.version : 8.0.0\n
Stream #0:0(eng) : Video : h263, none, q=2-31, 128 kb/s, SAR 1:1 DAR
0:0, 29.58 fps (default)\n Metadata :\n handler_name :
VideoHandle\n creation_time : 2018-08-25 01:47:47\n
encoder : Lavc57.24.102 h263\n Stream #0:1(eng) : Audio : aac
(LC) (mp4a / 0x6134706D), 48000 Hz, mono, 128 kb/s (default)\n
Metadata :\n creation_time : 2018-08-25 01:47:47\n
handler_name : SoundHandle\nStream mapping :\n Stream #0:0 -> #0:0
(h264 (native) -> h263 (native))\n Stream #0:1 -> #0:1 (copy)\nError
while opening encoder for output stream #0:0 - maybe incorrect
parameters such as bit_rate, rate, width or height\n"Why is causing this error in above command ?Any help will be welcome.
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