
Recherche avancée
Médias (91)
-
Corona Radiata
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
-
Lights in the Sky
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
-
Head Down
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
-
Echoplex
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
-
Discipline
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
-
Letting You
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
Autres articles (84)
-
Publier sur MédiaSpip
13 juin 2013Puis-je poster des contenus à partir d’une tablette Ipad ?
Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir -
Support de tous types de médias
10 avril 2011Contrairement à beaucoup de logiciels et autres plate-formes modernes de partage de documents, MediaSPIP a l’ambition de gérer un maximum de formats de documents différents qu’ils soient de type : images (png, gif, jpg, bmp et autres...) ; audio (MP3, Ogg, Wav et autres...) ; vidéo (Avi, MP4, Ogv, mpg, mov, wmv et autres...) ; contenu textuel, code ou autres (open office, microsoft office (tableur, présentation), web (html, css), LaTeX, Google Earth) (...)
-
MediaSPIP v0.2
21 juin 2013, parMediaSPIP 0.2 is the first MediaSPIP stable release.
Its official release date is June 21, 2013 and is announced here.
The zip file provided here only contains the sources of MediaSPIP in its standalone version.
To get a working installation, you must manually install all-software dependencies on the server.
If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...)
Sur d’autres sites (7074)
-
ffprobe reports some wrong meta data but only when input is piped in
17 juillet 2020, par spinkusI have a video file and I'm using
ffprobe
to extract meta data from it. If I save the file to disk and runffprobe
everything works fine. However, if I pipe the input intoffprobe
most meta data is correct, but some fields, such aswidth
,height
,display_aspect_ratio
are not correct.ffprobe
reports these errors when input is a stream (see full outputs below) :



[mov,mp4,m4a,3gp,3g2,mj2 @ 0x563c3de3c000] stream 1, offset 0x2c : partial file
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x563c3de3c000] Could not find codec parameters for stream 0 (Video : mpeg4 (mp4v / 0x7634706D), none, 1567 kb/s) : unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options




I tried various settings for
analyzeduration
andprobesize
with no change in outcome. I tried piping other even larger MP4 files into ffprobe and the height and width is reported correctly, and I don't get "stream 1, offset 0x2c : partial file" output warning. I think there is may be some issue with this particular file, but if that's the case why does it only cause issues when the file is streamed in ?

Any ideas what the issue is and how to get
ffprobe
to work same with a pipe as for a file input ?

With file :


> ffprobe -show_streams camera-test.mp4 
ffprobe version 4.1.6-1~deb10u1 Copyright (c) 2007-2020 the FFmpeg developers
 built with gcc 8 (Debian 8.3.0-6)
 configuration: --prefix=/usr --extra-version='1~deb10u1' --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
 libavutil 56. 22.100 / 56. 22.100
 libavcodec 58. 35.100 / 58. 35.100
 libavformat 58. 20.100 / 58. 20.100
 libavdevice 58. 5.100 / 58. 5.100
 libavfilter 7. 40.101 / 7. 40.101
 libavresample 4. 0. 0 / 4. 0. 0
 libswscale 5. 3.100 / 5. 3.100
 libswresample 3. 3.100 / 3. 3.100
 libpostproc 55. 3.100 / 55. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'camera-test.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2mp41
 encoder : Lavf58.35.101
 Duration: 00:00:05.74, start: 0.000000, bitrate: 1650 kb/s
 Stream #0:0(eng): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 720x1280 [SAR 1:1 DAR 9:16], 1567 kb/s, 30 fps, 30 tbr, 15360 tbn, 30 tbc (default)
 Metadata:
 handler_name : VideoHandle
 Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 121 kb/s (default)
 Metadata:
 handler_name : SoundHandle
[STREAM]
index=0
codec_name=mpeg4
codec_long_name=MPEG-4 part 2
profile=Simple Profile
codec_type=video
codec_time_base=1/30
codec_tag_string=mp4v
codec_tag=0x7634706d
width=720
height=1280
coded_width=720
coded_height=1280
has_b_frames=0
sample_aspect_ratio=1:1
display_aspect_ratio=9:16
pix_fmt=yuv420p
level=1
...



With a pipe :


> ffprobe -show_streams "pipe:0" 56. 22.100
 libavcodec 58. 35.100 / 58. 35.100
 libavformat 58. 20.100 / 58. 20.100
 libavdevice 58. 5.100 / 58. 5.100
 libavfilter 7. 40.101 / 7. 40.101
 libavresample 4. 0. 0 / 4. 0. 0
 libswscale 5. 3.100 / 5. 3.100
 libswresample 3. 3.100 / 3. 3.100
 libpostproc 55. 3.100 / 55. 3.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x563c3de3c000] stream 1, offset 0x2c: partial file
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x563c3de3c000] Could not find codec parameters for stream 0 (Video: mpeg4 (mp4v / 0x7634706D), none, 1567 kb/s): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'pipe:0':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2mp41
 encoder : Lavf58.35.101
 Duration: 00:00:05.74, start: 0.000000, bitrate: N/A
 Stream #0:0(eng): Video: mpeg4 (mp4v / 0x7634706D), none, 1567 kb/s, SAR 1:1 DAR 0:0, 30 fps, 30 tbr, 15360 tbn, 15360 tbc (default)
 Metadata:
 handler_name : VideoHandle
 Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 121 kb/s (default)
 Metadata:
 handler_name : SoundHandle
[STREAM]
index=0
codec_name=mpeg4
codec_long_name=MPEG-4 part 2
profile=unknown
codec_type=video
codec_time_base=1/30
codec_tag_string=mp4v
codec_tag=0x7634706d
width=0
height=0
coded_width=0
coded_height=0
has_b_frames=0
sample_aspect_ratio=1:1
display_aspect_ratio=0:0
pix_fmt=unknown
level=-99
...



Full diff between the two outputs :


< profile=unknown
---
> profile=Simple Profile
10,13c10,13
< width=0
< height=0
< coded_width=0
< coded_height=0
---
> width=720
> height=1280
> coded_width=720
> coded_height=1280
16,18c16,18
< display_aspect_ratio=0:0
< pix_fmt=unknown
< level=-99
---
> display_aspect_ratio=9:16
> pix_fmt=yuv420p
> level=1
62c62
< profile=unknown
---
> profile=LC



-
ffmpeg issue when using it from kurento to rtmp stream
15 juillet 2020, par MaxiI successfully managed to connect ffmpeg with an RTP endpoint of my kurento server. On many tries before I got a "Connection timed out" due my docker configuration. In my docker logs I see following now after RTP endpoint creation and starting ffmpeg :


streamy-server_1 | 2020-07-15 08:30:20.397 INFO 49 --- [nio-8080-exec-1] net.bramp.ffmpeg.RunProcessFunction : ffmpeg -y -v error -protocol_whitelist file,http,https,tcp,tls,udp,rtp -rtbufsize 1500M -re -i /tmp/test.sdp -f flv -vcodec libx264 -pix_fmt yuv420p -s 640x480 -r 20/1 -b:v 1000000 -acodec libmp3lame -ar 44100 -b:a 1000000 -bufsize 4000k -maxrate 1000k -profile:v baseline -deinterlace -preset medium -g 60 -r 30 rtmps://live-api-s.facebook.com:443/rtmp/3163232097002611?xyz
streamy-server_1 | [h264 @ 0x56538aeae0a0] non-existing PPS 0 referenced
streamy-server_1 | Last message repeated 1 times
streamy-server_1 | [h264 @ 0x56538aeae0a0] decode_slice_header error
streamy-server_1 | [h264 @ 0x56538aeae0a0] no frame!
streamy-server_1 | [h264 @ 0x56538aeae0a0] non-existing PPS 0 referenced
streamy-server_1 | Last message repeated 1 times
streamy-server_1 | [h264 @ 0x56538aeae0a0] decode_slice_header error
streamy-server_1 | [h264 @ 0x56538aeae0a0] no frame!
streamy-server_1 | [h264 @ 0x56538aeae0a0] non-existing PPS 0 referenced
streamy-server_1 | Last message repeated 1 times
streamy-server_1 | [h264 @ 0x56538aeae0a0] decode_slice_header error
streamy-server_1 | [h264 @ 0x56538aeae0a0] no frame!
streamy-server_1 | [h264 @ 0x56538aeae0a0] non-existing PPS 0 referenced
streamy-server_1 | Last message repeated 1 times
streamy-server_1 | [h264 @ 0x56538aeae0a0] decode_slice_header error
streamy-server_1 | [h264 @ 0x56538aeae0a0] no frame!
streamy-server_1 | [h264 @ 0x56538aeae0a0] non-existing PPS 0 referenced
streamy-server_1 | Last message repeated 1 times
[...] (this is repeated for the next ~20-30 seconds, then continues with:)
kurento_1 | 0:03:00.152967182 1 0x7faa58093b30 INFO KurentoWebSocketTransport WebSocketTransport.cpp:296:keepAliveSessions: Keep alive 998a9271-615e-490c-acce-6bc22d9592f7
streamy-server_1 | Too many packets buffered for output stream 0:0.
streamy-server_1 | 2020-07-15 08:30:38.361 ERROR 49 --- [nio-8080-exec-1] c.maximummgt.streamy.WebsocketsHandler : Unknown error while websockets session
streamy-server_1 | 
streamy-server_1 | java.lang.RuntimeException: java.io.IOException: ffmpeg returned non-zero exit status. Check stdout.
streamy-server_1 | at net.bramp.ffmpeg.job.SinglePassFFmpegJob.run(SinglePassFFmpegJob.java:46) ~[ffmpeg-0.6.2.jar:0.6.2]



At facebook live it does not receive the video stream. In log I just see this message :


Facebook has not received video signal from the video source for some time. Check that the connectivity between the video source and Facebook is sufficient for the source resolution and bitrate. Check your video encoder logs for details. If problems persist, consider improving connection quality or reducing the bitrate of your video source.


On Kurento Java code I am doing following :


- 

-
Create an RTP endpoint


-
Connect it with the video source from the user


-
Create an SDP offer and save it to a file (currently /tmp/test.sdp)


-
Process SDP offer with the RTP endpoint


-
Start the ffmpeg process with (
net.bramp.ffmpeg.builder.FFmpegBuilder
) :

FFmpegBuilder builder = new FFmpegBuilder()
.addExtraArgs("-protocol_whitelist", "file,http,https,tcp,tls,udp,rtp")
.addExtraArgs("-rtbufsize", "1500M")
.addExtraArgs("-re")
.setInput("/tmp/test.sdp")
.addOutput(rtmpURL)
.setFormat("flv")
.addExtraArgs("-bufsize", "4000k")
.addExtraArgs("-maxrate", "1000k")
.setAudioCodec("libmp3lame")
.setAudioSampleRate(FFmpeg.AUDIO_SAMPLE_44100)
.setAudioBitRate(1_000_000)
.addExtraArgs("-profile:v", "baseline")
.setVideoCodec("libx264")
.setVideoPixelFormat("yuv420p")
.setVideoResolution(width, height)
.setVideoBitRate(1_000_000)
.setVideoFrameRate(20)
.addExtraArgs("-deinterlace")
.addExtraArgs("-preset", "medium")
.addExtraArgs("-g", "60")
.addExtraArgs("-r", "30")
.done();

FFmpegExecutor executor = new FFmpegExecutor(ffmpeg, ffprobe);
executor.createJob(builder).run();
















Can somebody guide here on this issue ? Thanks in advance


EDIT 01 : I disabled now


// FFmpegExecutor executor = new FFmpegExecutor(ffmpeg, ffprobe);
// executor.createJob(builder).run();



so that ffmpeg does not start automatically. After java created the test.sdp, I ran ffmpeg by myself in the console not to stream to facebook but to a mp4 :


ffmpeg -loglevel debug -protocol_whitelist file,crypto,udp,rtp -re -vcodec libvpx -acodec opus -i /tmp/test.sdp -vcodec libx264 -acodec aac -y output.mp4


The output looks as following - I interrupted it after 25s with CTRL + C


root@app:/var/www# ffmpeg -loglevel debug -protocol_whitelist file,crypto,udp,rtp -re -vcodec libvpx -acodec opus -i /tmp/test.sdp -vcodec libx264 -acodec aac -y output.mp4
ffmpeg version 3.4.6-0ubuntu0.18.04.1 Copyright (c) 2000-2019 the FFmpeg developers
 built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)
 configuration: --prefix=/usr --extra-version=0ubuntu0.18.04.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
 libavutil 55. 78.100 / 55. 78.100
 libavcodec 57.107.100 / 57.107.100
 libavformat 57. 83.100 / 57. 83.100
 libavdevice 57. 10.100 / 57. 10.100
 libavfilter 6.107.100 / 6.107.100
 libavresample 3. 7. 0 / 3. 7. 0
 libswscale 4. 8.100 / 4. 8.100
 libswresample 2. 9.100 / 2. 9.100
 libpostproc 54. 7.100 / 54. 7.100
Splitting the commandline.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
Reading option '-protocol_whitelist' ... matched as AVOption 'protocol_whitelist' with argument 'file,crypto,udp,rtp'.
Reading option '-re' ... matched as option 're' (read input at native frame rate) with argument '1'.
Reading option '-vcodec' ... matched as option 'vcodec' (force video codec ('copy' to copy stream)) with argument 'libvpx'.
Reading option '-acodec' ... matched as option 'acodec' (force audio codec ('copy' to copy stream)) with argument 'opus'.
Reading option '-i' ... matched as input url with argument '/tmp/test.sdp'.
Reading option '-vcodec' ... matched as option 'vcodec' (force video codec ('copy' to copy stream)) with argument 'libx264'.
Reading option '-acodec' ... matched as option 'acodec' (force audio codec ('copy' to copy stream)) with argument 'aac'.
Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
Reading option 'output.mp4' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option loglevel (set logging level) with argument debug.
Applying option y (overwrite output files) with argument 1.
Successfully parsed a group of options.
Parsing a group of options: input url /tmp/test.sdp.
Applying option re (read input at native frame rate) with argument 1.
Applying option vcodec (force video codec ('copy' to copy stream)) with argument libvpx.
Applying option acodec (force audio codec ('copy' to copy stream)) with argument opus.
Successfully parsed a group of options.
Opening an input file: /tmp/test.sdp.
[NULL @ 0x55c2344e6a00] Opening '/tmp/test.sdp' for reading
[sdp @ 0x55c2344e6a00] Format sdp probed with size=2048 and score=50
[sdp @ 0x55c2344e6a00] audio codec set to: pcm_mulaw
[sdp @ 0x55c2344e6a00] audio samplerate set to: 44000
[sdp @ 0x55c2344e6a00] audio channels set to: 1
[sdp @ 0x55c2344e6a00] video codec set to: h264
[sdp @ 0x55c2344e6a00] RTP Packetization Mode: 1
[udp @ 0x55c2344e90c0] end receive buffer size reported is 131072
[udp @ 0x55c2344e9320] end receive buffer size reported is 131072
[sdp @ 0x55c2344e6a00] setting jitter buffer size to 500
[udp @ 0x55c2344ea0a0] end receive buffer size reported is 131072
[udp @ 0x55c2344ea180] end receive buffer size reported is 131072
[sdp @ 0x55c2344e6a00] setting jitter buffer size to 500
[sdp @ 0x55c2344e6a00] Before avformat_find_stream_info() pos: 305 bytes read:305 seeks:0 nb_streams:2
[libvpx @ 0x55c2344eeb80] v1.7.0
[libvpx @ 0x55c2344eeb80] --prefix=/usr --enable-pic --enable-shared --disable-install-bins --disable-install-srcs --size-limit=16384x16384 --enable-postproc --enable-multi-res-encoding --enable-temporal-denoising --enable-vp9-temporal-denoising --enable-vp9-postproc --target=x86_64-linux-gcc
[libvpx @ 0x55c2344eeb80] Invalid sync code e06101.
[libvpx @ 0x55c2344eeb80] Failed to decode frame: Bitstream not supported by this decoder
[libvpx @ 0x55c2344eeb80] Invalid sync code e06101.
[libvpx @ 0x55c2344eeb80] Failed to decode frame: Bitstream not supported by this decoder
 Last message repeated 1 times
[libvpx @ 0x55c2344eeb80] Invalid sync code e06101.
[libvpx @ 0x55c2344eeb80] Failed to decode frame: Bitstream not supported by this decoder
[sdp @ 0x55c2344e6a00] Non-increasing DTS in stream 1: packet 3 with DTS 5940, packet 4 with DTS 5940
[...]
[sdp @ 0x55c2344e6a00] Non-increasing DTS in stream 1: packet 956 with DTS 2027726, packet 957 with DTS 2027726
[libvpx @ 0x55c2344eeb80] Failed to decode frame: Bitstream not supported by this decoder
[libvpx @ 0x55c2344eeb80] Invalid sync code e06101.
[libvpx @ 0x55c2344eeb80] Failed to decode frame: Bitstream not supported by this decoder
[libvpx @ 0x55c2344eeb80] Invalid sync code e06101.
[libvpx @ 0x55c2344eeb80] Failed to decode frame: Bitstream not supported by this decoder
[libvpx @ 0x55c2344eeb80] Invalid sync code e06101.
[libvpx @ 0x55c2344eeb80] Failed to decode frame: Bitstream not supported by this decoder
[libvpx @ 0x55c2344eeb80] Invalid sync code 4a3bd8.
[sdp @ 0x55c2344e6a00] Non-increasing DTS in stream 1: packet 960 with DTS 2036690, packet 961 with DTS 2036690
[libvpx @ 0x55c2344eeb80] Failed to decode frame: Bitstream not supported by this decoder
[sdp @ 0x55c2344e6a00] interrupted
[sdp @ 0x55c2344e6a00] decoding for stream 1 failed
[sdp @ 0x55c2344e6a00] rfps: 30.000000 0.000926
[sdp @ 0x55c2344e6a00] rfps: 60.000000 0.003706
[sdp @ 0x55c2344e6a00] rfps: 120.000000 0.014824
[sdp @ 0x55c2344e6a00] Setting avg frame rate based on r frame rate
[sdp @ 0x55c2344e6a00] Could not find codec parameters for stream 1 (Video: vp8 (libvpx), 1 reference frame, none(progressive)): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[sdp @ 0x55c2344e6a00] After avformat_find_stream_info() pos: 305 bytes read:305 seeks:0 frames:962
Input #0, sdp, from '/tmp/test.sdp':
 Metadata:
 title : KMS
 Duration: N/A, start: 0.033000, bitrate: N/A
 Stream #0:0, 0, 1/44000: Audio: opus, 48000 Hz, mono, fltp
 Stream #0:1, 962, 1/90000: Video: vp8, 1 reference frame, none(progressive), 30 fps, 30 tbr, 90k tbn, 90k tbc
Successfully opened the file.
Parsing a group of options: output url output.mp4.
Applying option vcodec (force video codec ('copy' to copy stream)) with argument libx264.
Applying option acodec (force audio codec ('copy' to copy stream)) with argument aac.
Successfully parsed a group of options.
Opening an output file: output.mp4.
[file @ 0x55c234563320] Setting default whitelist 'file,crypto'
Successfully opened the file.
[libvpx @ 0x55c2344eb0e0] v1.7.0
[libvpx @ 0x55c2344eb0e0] --prefix=/usr --enable-pic --enable-shared --disable-install-bins --disable-install-srcs --size-limit=16384x16384 --enable-postproc --enable-multi-res-encoding --enable-temporal-denoising --enable-vp9-temporal-denoising --enable-vp9-postproc --target=x86_64-linux-gcc
Stream mapping:
 Stream #0:1 -> #0:0 (vp8 (libvpx) -> h264 (libx264))
 Stream #0:0 -> #0:1 (opus (native) -> aac (native))
Press [q] to stop, [?] for help
Finishing stream 0:0 without any data written to it.
Finishing stream 0:1 without any data written to it.
detected 2 logical cores
[graph_1_in_0_0 @ 0x55c234561360] Setting 'time_base' to value '1/48000'
[graph_1_in_0_0 @ 0x55c234561360] Setting 'sample_rate' to value '48000'
[graph_1_in_0_0 @ 0x55c234561360] Setting 'sample_fmt' to value 'fltp'
[graph_1_in_0_0 @ 0x55c234561360] Setting 'channel_layout' to value '0x4'
[graph_1_in_0_0 @ 0x55c234561360] tb:1/48000 samplefmt:fltp samplerate:48000 chlayout:0x4
[format_out_0_1 @ 0x55c2345611e0] Setting 'sample_fmts' to value 'fltp'
[format_out_0_1 @ 0x55c2345611e0] Setting 'sample_rates' to value '96000|88200|64000|48000|44100|32000|24000|22050|16000|12000|11025|8000|7350'
[AVFilterGraph @ 0x55c234560620] query_formats: 4 queried, 9 merged, 0 already done, 0 delayed
Nothing was written into output file 0 (output.mp4), because at least one of its streams received no packets.
frame= 0 fps=0.0 q=0.0 Lsize= 0kB time=-577014:32:22.77 bitrate= -0.0kbits/s speed=N/A
video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Input file #0 (/tmp/test.sdp):
 Input stream #0:0 (audio): 0 packets read (0 bytes); 0 frames decoded (0 samples);
 Input stream #0:1 (video): 0 packets read (0 bytes); 0 frames decoded;
 Total: 0 packets (0 bytes) demuxed
Output file #0 (output.mp4):
 Output stream #0:0 (video): 0 frames encoded; 0 packets muxed (0 bytes);
 Output stream #0:1 (audio): 0 frames encoded (0 samples); 0 packets muxed (0 bytes);
 Total: 0 packets (0 bytes) muxed
0 frames successfully decoded, 0 decoding errors
[AVIOContext @ 0x55c234563420] Statistics: 0 seeks, 0 writeouts
[aac @ 0x55c23458bea0] Qavg: -nan
[AVIOContext @ 0x55c2344ef6e0] Statistics: 305 bytes read, 0 seeks
Exiting normally, received signal 2.
root@app:/var/www# ls -lt
total 72
-rw-r--r-- 1 root root 0 Jul 15 09:12 output.mp4



-
-
ffmpeg separate images from %3.png format
15 juillet 2020, par Alexander WilkinsonI want to feed an input
-i input%3.png
into a filter graph and then use those inputs in a-filter_complex
like I normally would with[x:v]
or[0:v:x]
where x is the index. Both of those don't work, throwing errors likeInvalid file index 1 in filtergraph description
orstream specifier :v:1 in ... matches no stream


Edit : The log and command, as requested.

ffmpeg -i background.mkv -i comment%3d.png -filter_complex_script filter_complex.txt background-comments.mkv

The filter graph is shown in full below in the error message, but the gist is :
[0:v][1:v] overlay=0:0:enable='background(t,0,1)' [tmp0]; [tmp0][2:v] overlay=0:0:enable='background(t,1,2)' [tmp1]; [tmp1] ...


built with gcc 9.3.1 (GCC) 20200523
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libsrt --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --disable-w32threads --enable-libmfx --enable-ffnvcodec --enable-cuda-llvm --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
 libavutil 56. 50.100 / 56. 50.100
 libavcodec 58. 90.100 / 58. 90.100
 libavformat 58. 44.100 / 58. 44.100
 libavdevice 58. 9.103 / 58. 9.103
 libavfilter 7. 84.100 / 7. 84.100
 libswscale 5. 6.101 / 5. 6.101
 libswresample 3. 6.100 / 3. 6.100
 libpostproc 55. 6.100 / 55. 6.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Background\background.mkv':
 Metadata:
 major_brand : mp42
 minor_version : 0
 compatible_brands: mp41isom
 creation_time : 2020-07-14T15:38:36.000000Z
 Duration: 00:01:42.49, start: 0.000000, bitrate: 17469 kb/s
 Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 17355 kb/s, 25 fps, 25 tbr, 25k tbn, 50 tbc (default)
 Metadata:
 creation_time : 2020-07-14T15:38:36.000000Z
 handler_name : VideoHandler
 encoder : AVC Coding
 Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 117 kb/s (default)
 Metadata:
 creation_time : 2020-07-14T15:38:36.000000Z
 handler_name : SoundHandler
Input #1, image2, from 'Working\comment%3d.png':
 Duration: 00:00:03.56, start: 0.000000, bitrate: N/A
 Stream #1:0: Video: png, rgba(pc), 1920x1080, 25 fps, 25 tbr, 25 tbn, 25 tbc
Stream specifier ':v:1' in filtergraph description [0:v][1:v:1] overlay=0:0:enable='between(t,0,4.464)' [tmp0]; [tmp0][1:v:2] overlay=0:0:enable='between(t,4.464,6.456)' [tmp1]; [tmp1][1:v:3] overlay=0:0:enable='between(t,6.456,12.120000000000001)' [tmp2]; [tmp2][1:v:4] overlay=0:0:enable='between(t,12.120000000000001,15.96)' [tmp3]; [tmp3][1:v:5] overlay=0:0:enable='between(t,15.96,22.224)' [tmp4]; [tmp4][1:v:6] overlay=0:0:enable='between(t,22.224,30.096)' [tmp5]; [tmp5][1:v:7] overlay=0:0:enable='between(t,30.096,36.264)' [tmp6]; [tmp6][1:v:8] overlay=0:0:enable='between(t,36.264,44.80800000000001)' [tmp7]; [tmp7][1:v:9] overlay=0:0:enable='between(t,44.80800000000001,51.864000000000004)' [tmp8]; [tmp8][1:v:10] overlay=0:0:enable='between(t,51.864000000000004,55.776)' [tmp9]; [tmp9][1:v:11] overlay=0:0:enable='between(t,55.776,61.008)' [tmp10]; [tmp10][1:v:12] overlay=0:0:enable='between(t,61.008,66.24000000000001)' [tmp11]; [tmp11][1:v:13] overlay=0:0:enable='between(t,66.24000000000001,73.34400000000001)' [tmp12]; [tmp12][1:v:14] overlay=0:0:enable='between(t,73.34400000000001,84.888)' [tmp13]; [tmp13][1:v:15] overlay=0:0:enable='between(t,84.888,89.52000000000001)' [tmp14]; [tmp14][1:v:16] overlay=0:0:enable='between(t,89.52000000000001,99.04800000000002)' [tmp15]; [tmp15][1:v:17] overlay=0:0:enable='between(t,99.04800000000002,104.97600000000001)' [tmp16]; [tmp16][1:v:18] overlay=0:0:enable='between(t,104.97600000000001,112.53600000000002)' [tmp17]; [tmp17][1:v:19] overlay=0:0:enable='between(t,112.53600000000002,116.49600000000001)' [tmp18]; [tmp18][1:v:20] overlay=0:0:enable='between(t,116.49600000000001,121.2)' [tmp19]; [tmp19][1:v:21] overlay=0:0:enable='between(t,121.2,121.92)' [tmp20]; [tmp20][1:v:22] overlay=0:0:enable='between(t,121.92,126.768)' [tmp21]; [tmp21][1:v:23] overlay=0:0:enable='between(t,126.768,134.976)' [tmp22]; [tmp22][1:v:24] overlay=0:0:enable='between(t,134.976,137.328)' [tmp23]; [tmp23][1:v:25] overlay=0:0:enable='between(t,137.328,145.68)' [tmp24]; [tmp24][1:v:26] overlay=0:0:enable='between(t,145.68,152.376)' [tmp25]; [tmp25][1:v:27] overlay=0:0:enable='between(t,152.376,158.544)' [tmp26]; [tmp26][1:v:28] overlay=0:0:enable='between(t,158.544,165.38400000000001)' [tmp27]; [tmp27][1:v:29] overlay=0:0:enable='between(t,165.38400000000001,166.22400000000002)' [tmp28]; [tmp28][1:v:30] overlay=0:0:enable='between(t,166.22400000000002,166.94400000000002)' [tmp29]; [tmp29][1:v:31] overlay=0:0:enable='between(t,166.94400000000002,167.85600000000002)' [tmp30]; [tmp30][1:v:32] overlay=0:0:enable='between(t,167.85600000000002,173.23200000000003)' [tmp31]; [tmp31][1:v:33] overlay=0:0:enable='between(t,173.23200000000003,178.72800000000004)' [tmp32]; [tmp32][1:v:34] overlay=0:0:enable='between(t,178.72800000000004,185.18400000000003)' [tmp33]; [tmp33][1:v:35] overlay=0:0:enable='between(t,185.18400000000003,186.00000000000003)' [tmp34]; [tmp34][1:v:36] overlay=0:0:enable='between(t,186.00000000000003,191.73600000000002)' [tmp35]; [tmp35][1:v:37] overlay=0:0:enable='between(t,191.73600000000002,196.39200000000002)' [tmp36]; [tmp36][1:v:38] overlay=0:0:enable='between(t,196.39200000000002,200.88000000000002)' [tmp37]; [tmp37][1:v:39] overlay=0:0:enable='between(t,200.88000000000002,203.64000000000001)' [tmp38]; [tmp38][1:v:40] overlay=0:0:enable='between(t,203.64000000000001,204.36)' [tmp39]; [tmp39][1:v:41] overlay=0:0:enable='between(t,204.36,209.328)' [tmp40]; [tmp40][1:v:42] overlay=0:0:enable='between(t,209.328,210.168)' [tmp41]; [tmp41][1:v:43] overlay=0:0:enable='between(t,210.168,210.888)' [tmp42]; [tmp42][1:v:44] overlay=0:0:enable='between(t,210.888,213.48000000000002)' [tmp43]; [tmp43][1:v:45] overlay=0:0:enable='between(t,213.48000000000002,214.20000000000002)' [tmp44]; [tmp44][1:v:46] overlay=0:0:enable='between(t,214.20000000000002,218.376)' [tmp45]; [tmp45][1:v:47] overlay=0:0:enable='between(t,218.376,220.704)' [tmp46]; [tmp46][1:v:48] overlay=0:0:enable='between(t,220.704,222.84)' [tmp47]; [tmp47][1:v:49] overlay=0:0:enable='between(t,222.84,226.992)' [tmp48]; [tmp48][1:v:50] overlay=0:0:enable='between(t,226.992,227.832)' [tmp49]; [tmp49][1:v:51] overlay=0:0:enable='between(t,227.832,231.28799999999998)' [tmp50]; [tmp50][1:v:52] overlay=0:0:enable='between(t,231.28799999999998,233.04)' [tmp51]; [tmp51][1:v:53] overlay=0:0:enable='between(t,233.04,234.26399999999998)' [tmp52]; [tmp52][1:v:54] overlay=0:0:enable='between(t,234.26399999999998,234.98399999999998)' [tmp53]; [tmp53][1:v:55] overlay=0:0:enable='between(t,234.98399999999998,237.04799999999997)' [tmp54]; [tmp54][1:v:56] overlay=0:0:enable='between(t,237.04799999999997,237.88799999999998)' [tmp55]; [tmp55][1:v:57] overlay=0:0:enable='between(t,237.88799999999998,238.60799999999998)' [tmp56]; [tmp56][1:v:58] overlay=0:0:enable='between(t,238.60799999999998,244.99199999999996)' [tmp57]; [tmp57][1:v:59] overlay=0:0:enable='between(t,244.99199999999996,247.19999999999996)' [tmp58]; [tmp58][1:v:60] overlay=0:0:enable='between(t,247.19999999999996,251.56799999999996)' [tmp59]; [tmp59][1:v:61] overlay=0:0:enable='between(t,251.56799999999996,253.87199999999996)' [tmp60]; [tmp60][1:v:62] overlay=0:0:enable='between(t,253.87199999999996,254.59199999999996)' [tmp61]; [tmp61][1:v:63] overlay=0:0:enable='between(t,254.59199999999996,255.76799999999994)' [tmp62]; [tmp62][1:v:64] overlay=0:0:enable='between(t,255.76799999999994,258.21599999999995)' [tmp63]; [tmp63][1:v:65] overlay=0:0:enable='between(t,258.21599999999995,259.0559999999999)' [tmp64]; [tmp64][1:v:66] overlay=0:0:enable='between(t,259.0559999999999,259.77599999999995)' [tmp65]; [tmp65][1:v:67] overlay=0:0:enable='between(t,259.77599999999995,266.352)' [tmp66]; [tmp66][1:v:68] overlay=0:0:enable='between(t,266.352,268.008)' [tmp67]; [tmp67][1:v:69] overlay=0:0:enable='between(t,268.008,270.69599999999997)' [tmp68]; [tmp68][1:v:70] overlay=0:0:enable='between(t,270.69599999999997,276.74399999999997)' [tmp69]; [tmp69][1:v:71] overlay=0:0:enable='between(t,276.74399999999997,277.58399999999995)' [tmp70]; [tmp70][1:v:72] overlay=0:0:enable='between(t,277.58399999999995,278.304)' [tmp71]; [tmp71][1:v:73] overlay=0:0:enable='between(t,278.304,279.43199999999996)' [tmp72]; [tmp72][1:v:74] overlay=0:0:enable='between(t,279.43199999999996,282.50399999999996)' [tmp73]; [tmp73][1:v:75] overlay=0:0:enable='between(t,282.50399999999996,283.34399999999994)' [tmp74]; [tmp74][1:v:76] overlay=0:0:enable='between(t,283.34399999999994,284.06399999999996)' [tmp75]; [tmp75][1:v:77] overlay=0:0:enable='between(t,284.06399999999996,285.19199999999995)' [tmp76]; [tmp76][1:v:78] overlay=0:0:enable='between(t,285.19199999999995,287.376)' [tmp77]; [tmp77][1:v:79] overlay=0:0:enable='between(t,287.376,292.008)' [tmp78]; [tmp78][1:v:80] overlay=0:0:enable='between(t,292.008,297.47999999999996)' [tmp79]; [tmp79][1:v:81] overlay=0:0:enable='between(t,297.47999999999996,298.84799999999996)' [tmp80]; [tmp80][1:v:82] overlay=0:0:enable='between(t,298.84799999999996,302.544)' [tmp81]; [tmp81][1:v:83] overlay=0:0:enable='between(t,302.544,303.38399999999996)' [tmp82]; [tmp82][1:v:84] overlay=0:0:enable='between(t,303.38399999999996,304.104)' [tmp83]; [tmp83][1:v:85] overlay=0:0:enable='between(t,304.104,309.47999999999996)' [tmp84]; [tmp84][1:v:86] overlay=0:0:enable='between(t,309.47999999999996,312.47999999999996)' [tmp85]; [tmp85][1:v:87] overlay=0:0:enable='between(t,312.47999999999996,318.62399999999997)' [tmp86]; [tmp86][1:v:88] overlay=0:0:enable='between(t,318.62399999999997,323.688)' [tmp87]; [tmp87][1:v:89] overlay=0:0:enable='between(t,323.688,325.392)' matches no streams.```