FFMPEG: Too many packets buffered for output stream 0:1
I want to add a logo to a video using FFMPEG. I encountered this error: "Too many packets buffered for output stream 0:1.", "Conversion Failed.". I tried with diffent pictures and videos, always got the same error. Google didn't help much either. I found a thread
C:\Users\Anwender\OneDrive - IT-Center Engels\_Programmierung & Scripting\delphi\_ITCE\Tempater\Win32\Debug\ffmpeg\bin>ffmpeg ^
Mehr? -i C:\Users\Anwender\Videos\CutErgebnis.mp4 ^
Mehr? -i C:\Users\Anwender\Pictures\pic.png ^
Mehr? -filter_complex "overlay=0:0" ^
Mehr? C:\Users\Anwender\Videos\Logo.mp4
ffmpeg version N-90054-g474194a8d0 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 7.2.0 (GCC)
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --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-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libmfx --enable-amf --enable-cuda --enable-cuvid --enable-d3d11va --enable-nvenc --enable-dxva2 --enable-avisynth
libavutil 56. 7.101 / 56. 7.101
libavcodec 58. 11.101 / 58. 11.101
libavformat 58. 9.100 / 58. 9.100
libavdevice 58. 1.100 / 58. 1.100
libavfilter 7. 12.100 / 7. 12.100
libswscale 5. 0.101 / 5. 0.101
libswresample 3. 0.101 / 3. 0.101
libpostproc 55. 0.100 / 55. 0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\Users\Anwender\Videos\CutErgebnis.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf58.9.100
comment : Captured with Snagit 13.1.3.7993
: Microphone - Mikrofon (Steam Streaming Microphone)
:
Duration: 00:01:51.99, start: 0.015011, bitrate: 148 kb/s
Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1918x718 [SAR 1:1 DAR 959:359], 149 kb/s, 14.79 fps, 15 tbr, 15k tbn, 30 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 1 kb/s (default)
Metadata:
handler_name : SoundHandler
Input #1, png_pipe, from 'C:\Users\Anwender\Pictures\pic.png':
Duration: N/A, bitrate: N/A
Stream #1:0: Video: png, pal8(pc), 400x400, 25 tbr, 25 tbn, 25 tbc
File 'C:\Users\Anwender\Videos\Logo.mp4' already exists. Overwrite ? [y/N] y
Stream mapping:
Stream #0:0 (h264) -> overlay:main (graph 0)
Stream #1:0 (png) -> overlay:overlay (graph 0)
overlay (graph 0) -> Stream #0:0 (libx264)
Stream #0:1 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
Too many packets buffered for output stream 0:1.
[aac @ 000001f4c5257a40] Qavg: 65305.387
[aac @ 000001f4c5257a40] 2 frames left in the queue on closing
Conversion failed!
My FFMPEG Version: ffmpeg-20180322-ed0e0fe-win64-static
Details about the Video:
C:\Users\Anwender\OneDrive - IT-Center Engels\_Programmierung & Scripting\delphi\_ITCE\Tempater\Win32\Debug\ffmpeg-20180322-ed0e0fe-win64-static\bin>ffprobe.exe C:\Users\Anwender\Videos\CutErgebnis.mp4
ffprobe version N-90399-ged0e0fe102 Copyright (c) 2007-2018 the FFmpeg developers
built with gcc 7.3.0 (GCC)
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --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-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
libavutil 56. 11.100 / 56. 11.100
libavcodec 58. 15.100 / 58. 15.100
libavformat 58. 10.100 / 58. 10.100
libavdevice 58. 2.100 / 58. 2.100
libavfilter 7. 13.100 / 7. 13.100
libswscale 5. 0.102 / 5. 0.102
libswresample 3. 0.101 / 3. 0.101
libpostproc 55. 0.100 / 55. 0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\Users\Anwender\Videos\CutErgebnis.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf58.9.100
comment : Captured with Snagit 13.1.3.7993
: Microphone - Mikrofon (Steam Streaming Microphone)
:
Duration: 00:01:51.99, start: 0.015011, bitrate: 148 kb/s
Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1918x718 [SAR 1:1 DAR 959:359], 149 kb/s, 14.79 fps, 15 tbr, 15k tbn, 30 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 1 kb/s (default)
Metadata:
handler_name : SoundHandler
Try try add this option at the end of your video options to increase the queue size:
-max_muxing_queue_size 1024
This worked for me, but you may need a higher value like 2048 or even 4096. I found out about this here: https://discussion.mcebuddy2x.com/t/ffmpeg-bug-too-many-packets-buffered-for-output-stream/1148
I solved by adding this option (ffmpeg version 3.4.6):
-max_muxing_queue_size 9999
For example:
ffmpeg -i input.mp4 -max_muxing_queue_size 9999 out.mp4
This issue may have been "fixed" in a recent build of ffmpeg. However, the root cause appears to be faulty source file content and not ffmpeg.
TL;DR: There are 3 ways to solve this problem.
- Choose a different source file
- Apply ffmpeg command parameter (as others mentioned above) of
-max_muxing_queue_size 9999However, be warned this is resource intensive and depending on your system and how badly the source file is malformed, may cause ffmpeg to crash. - Build yourself a custom version of ffmpeg, using a nightly build released after November 23, 2020 (and hope for the best).
Details... Details... for inquiring minds...
-max_muxing_queue_size 9999 tells ffmpeg to allocate additional memory for caching video frames. What is basically happening is there's a problem with how the source file video frames are structured, and ffmpeg is trying to keep track of the early frames in the file until it can figure out how it's all supposed to be organized. Doing this means ffmpeg has to consume more memory. Sometimes, A LOT more. The "9999" is an arbitrary value that you can almost think of as setting it to infinity; meaning, you may run out of RAM using this approach (rare, but possible... and highly dependent on your hardware).
You can read more about the suspected cause via the original defect report here: https://trac.ffmpeg.org/ticket/6375
Or, more succinctly explained here: https://trac.ffmpeg.org/ticket/6375#comment:36
You will find the code changes of the October 29 commit that might fix it here (but again, remember this is not really ffmpeg's fault... so, quite frankly this is a band-aid fix... tho kudos to the dev who solved it... but the real fix is use a different source file!): https://github.com/FFmpeg/FFmpeg/commit/453b2f3c154f6b83221940ad411599ded91f7413
The same problem happened with me just recently. I tried so many solutions but was not able to fix this. Then I analyzed the error sentence; it says 'too many packets buffered', which means that when the recording was started or the video was made, at the given second, too many packets were used to record that moment. So I thought if I crop the video from the given second 'til the end and then tried to convert it, and it worked.
So below is the command to crop the video file. You can make adjustments according to requirement. Basic is your video file is corrupted. If you are OK with cropping a second from the file and use it, then this solution is OK.
Crop:
ffmpeg -i video.mp4 -ss 00:00:05 -t 00:03:14 -async 1 cut.mp4
Here is the command that I was trying to convert the file with when I encountered this issue.
Convert:
ffmpeg -i cut.mp4 -crf 32 output2.mp4