March 2024 - ffmpeg-user - lists.ffmpeg.org

Big missmatch In format duration (ffmpeg V6)
by Avraham Sikirov 22 Jul '24

22 Jul '24

Hey, I am trying to upgrade from ffmpeg v5 to v6, I have noticed one video that has big increase in format duration time This is the command I use: ffprobe -v error -print_format json -show_format -show_streams too-many-packets.mp4 Link to video and outputs: https://drive.google.com/drive/folders/1BT6NMqZ2pSd-shbu-hok-2-Gaihn0Av2?us…

3 5

Use processed filename as draw text after tmix, in one pass?
by Steven Kan 03 May '24

03 May '24

Planning ahead to the successor to my honeycomb time-lapse video from 2022, processed using tmix per advice from this group: https://ffmpeg.org//pipermail/ffmpeg-user/2022-April/054742.html https://www.youtube.com/watch?v=2dUGbGcGE2c This time I’m capturing the photos with a dSLR and gphoto on a Raspberry Pi, and the dSLR does not burn in a timestamp. This is actually a good thing, because I don’t like how my timestamps got tmixed away last time. I’d like to apply them after tmix. I’m saving the photos with the timestamp as the sortable filename, e.g. 2024-03-06-11-40-11.jpg This time I’d like to tmix 50 frames, read the filename of the 50th frame, re-arrange the text of the filename to U.S. style, e.g. "03/06/24, 11:40:11 AM", and then drawtext it onto the output. Can this be done in one pass? Or would I need to do a first pass to create the text fields in some companion files, e.g. 2024-03-06-11-40-11.txt, or even multiple passes to do the tmix first and then the drawtext? I’d like to avoid multiple passes of video processing to avoid generation loss, if possible. Thanks!

3 7

How to create error log file ffmpeg Loudnorm?
by CMG DiGiTaL 26 Apr '24

26 Apr '24

hi, I created a bat file where I enter the LUFS values to cover several audio files in a folder. However, I would like to generate an error log file. I used the command -report file=log.txt:level=16. see below the command in my bat file: md "C:\Users\%username%\Desktop\Normalizing_lufs" pushd "%Userprofile%\Desktop\áudios LUFS" FOR /F "delims=" %%a in ('where .:*.mp3 ^|findstr /vi "_LOUDNORM _EBU"') DO ( SET "filename=%%~na" ffmpeg -hide_banner -i "%%a" -af "[0:a]loudnorm=print_format=summary" -f null NUL 2> "%%~na.log" @FOR /F "tokens=3" %%b IN ('FINDSTR /C:"Input Integrated" "%%~na.log"') DO (SET II=%%b) @FOR /F "tokens=4" %%b IN ('FINDSTR /C:"Input True Peak" "%%~na.log"') DO (SET ITP=%%b) @FOR /F "tokens=3" %%b IN ('FINDSTR /C:"Input LRA" "%%~na.log"') DO (SET ILRA=%%b) @FOR /F "tokens=3" %%b IN ('FINDSTR /C:"Input Threshold" "%%~na.log"') DO (SET IT=%%b) @FOR /F "tokens=3" %%b IN ('FINDSTR /C:"Target Offset" "%%~na.log"') DO (SET TO=%%b) DEL "%%~na.log" SETLOCAL ENABLEDELAYEDEXPANSION REM ECHO !II! Input Integrated REM ECHO !ITP! Input True Peak REM ECHO !ILRA! Input LRA REM ECHO !IT! Input Threshold REM ECHO !TO! Target Offset FOR /F "tokens=1,2 delims=," %%b IN ('ffprobe -v 0 -select_streams a -show_entries "stream=bit_rate,sample_rate" -of "csv=p=0" "!filename!.mp3"') DO ( ffmpeg -hide_banner *-report file=log.txt:level=16* -i "!filename!.mp3" -af "loudnorm=linear=true:I=!_vLUF!:LRA=11:tp=!_vPEAK!:measured_I=!II!:measured_LRA=!ILRA!:measured_tp=!ITP!:measured_thresh=!IT!:offset=!TO!:print_format=summary" -c:v copy -id3v2_version 3 -metadata:s:v title="Album cover" -metadata:s:v comment="Cover (front)" -acodec mp3 -b:a %%c -ar:a %%b "C:\Users\%username%\Desktop\Normalizing_lufs\!filename!.mp3" ) ENDLOCAL and see the error below: Successfully opened the file. Parsing a group of options: output url file=log.txt:level=16. Successfully parsed a group of options. Opening an output file: file=log.txt:level=16. [NULL @ 000002738af86200] Unable to find a suitable output format for 'file=log.txt:level=16' file=log.txt:level=16: Invalid argument PS: The log files are generated, but the program cancels and does not convert the audio files!

3 7

amd hwaccel encoding + overlay filter is not working together
by György Pásztor 01 Apr '24

01 Apr '24

Hi, I just successfully tested how to use AMD GPU's hwaccel to re-encode a file with ffmpeg. Using this command: ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i input.mp4 -c:v hevc_vaapi -c:a copy -crf 23 output.mp4 encoding is much faster. Testing it on a sample file and wrapping around with time: time ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i input.mp4 -c:v hevc_vaapi -c:a copy -crf 23 -t 60 output.mp4 frame= 1800 fps= 35 q=-0.0 Lsize= 294431kB time=00:00:59.98 bitrate=40209.7kbits/s dup=2 drop=0 speed=1.16x real 0m52.024s user 0m2.304s sys 0m10.866s ^ This is definitely using the GPU and hwaccel. During the encoding, I see no cpu usage spike in top, or increase of loadavg, etc. While the "classic" re-encode for the same file: time ffmpeg -i input.mp4 -c:v libx265 -c:a copy -crf 23 -t 60 output.mp4 ... encoded 1800 frames in 460.63s (3.91 fps), 27046.56 kb/s, Avg QP:27.49 real 7m41.169s user 109m18.008s sys 0m5.764s This is definitely using the cpu. During this 7 minutes and 41 seconds, the all the cpu cores were 100% used, load was around the number of cpu cores, etc. The actual command I try to execute: ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i input.mp4 -r 1 -i overlay%04d.png -filter_complex overlay -r 7.5 -an -c:v hevc_vaapi -crf 22 output.mp4 But it's not working. I've got this output: ---------<snip>-------- $ ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i input.mp4 -r 1 -i overlay%04d.png -filter_complex overlay -r 7.5 -an -c:v hevc_vaapi -crf 22 output.mp4 ffmpeg version 6.1.1 Copyright (c) 2000-2023 the FFmpeg developers built with FreeBSD clang version 16.0.6 ( https://github.com/llvm/llvm-project.git llvmorg-16.0.6-0-g7cbf1a259152) configuration: --prefix=/usr/local --mandir=/usr/local/man --datadir=/usr/local/share/ffmpeg --docdir=/usr/local/share/doc/ffmpeg --pkgconfigdir=/usr/local/libdata/pkgconfig --disable-static --disable-libcelt --enable-shared --enable-pic --enable-gpl --cc=cc --cxx=c++ --disable-alsa --disable-libopencore-amrnb --disable-libopencore-amrwb --enable-libaom --disable-libaribb24 --disable-libaribcaption --enable-asm --enable-libass --disable-libbs2b --disable-libcaca --disable-libcdio --disable-libcodec2 --enable-libdav1d --disable-libdavs2 --disable-libdc1394 --disable-debug --enable-htmlpages --enable-libdrm --disable-libfdk-aac --disable-libflite --enable-fontconfig --enable-libfreetype --enable-frei0r --disable-libfribidi --disable-gcrypt --disable-libglslang --disable-libgme --enable-gmp --enable-gnutls --enable-version3 --disable-libgsm --enable-libharfbuzz --enable-iconv --disable-libilbc --disable-libjack --enable-libjxl --disable-libklvanc --disable-libkvazaar --disable-ladspa --enable-libmp3lame --enable-lcms2 --disable-liblensfun --disable-libbluray --enable-libplacebo --disable-librsvg --disable-librtmp --enable-libxml2 --disable-lv2 --disable-mbedtls --disable-libmfx --disable-libmodplug --disable-libmysofa --enable-network --disable-nonfree --enable-nvenc --disable-openal --disable-opencl --disable-opengl --disable-libopenh264 --disable-libopenjpeg --disable-libopenmpt --disable-openssl --disable-libopenvino --enable-optimizations --enable-libopus --disable-pocketsphinx --disable-libpulse --disable-librabbitmq --disable-librav1e --disable-librist --enable-runtime-cpudetect --disable-librubberband --disable-sdl2 --enable-libshaderc --disable-libsmbclient --disable-libsnappy --disable-sndio --disable-libsoxr --disable-libspeex --disable-libsrt --disable-libssh --enable-libsvtav1 --disable-libtensorflow --disable-libtesseract --disable-libtheora --disable-libtwolame --disable-libuavs3d --enable-libv4l2 --enable-vaapi --disable-vapoursynth --enable-vdpau --disable-libvidstab --enable-libvmaf --enable-libvorbis --disable-libvo-amrwbenc --disable-libvpl --enable-libvpx --enable-vulkan --enable-libwebp --enable-libx264 --enable-libx265 --disable-libxavs2 --enable-libxcb --disable-libxvid --disable-outdev=xv --disable-libzimg --disable-libzmq --disable-libzvbi libavutil 58. 29.100 / 58. 29.100 libavcodec 60. 31.102 / 60. 31.102 libavformat 60. 16.100 / 60. 16.100 libavdevice 60. 3.100 / 60. 3.100 libavfilter 9. 12.100 / 9. 12.100 libswscale 7. 5.100 / 7. 5.100 libswresample 4. 12.100 / 4. 12.100 libpostproc 57. 3.100 / 57. 3.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'input.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 creation_time : 2023-09-03T23:12:04.000000Z encoder : Lavf60.3.100 Duration: 00:01:15.01, start: 0.000000, bitrate: 14849 kb/s Stream #0:0[0x1](eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 1920x1080, 14750 kb/s, 30 fps, 30 tbr, 60k tbn (default) Metadata: creation_time : 2023-09-03T23:12:04.000000Z handler_name : VideoHandler vendor_id : [0][0][0][0] encoder : h264 Stream #0:1[0x2](eng): Audio: aac (LC) (mp4a / 0x6134706D), 32000 Hz, mono, fltp, 96 kb/s (default) Metadata: creation_time : 2023-09-03T23:12:04.000000Z handler_name : SoundHandler vendor_id : [0][0][0][0] Input #1, image2, from 'overlay%04d.png': Duration: 00:00:03.00, start: 0.000000, bitrate: N/A Stream #1:0: Video: png, rgba(pc, gbr/unknown/unknown), 1920x1080, 25 fps, 25 tbr, 25 tbn amdgpu: os_same_file_description couldn't determine if two DRM fds reference the same file description. If they do, bad things may happen! [out#0/mp4 @ 0x1e333e6b5600] Codec AVOption crf (Select the quality for constant quality mode) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream. Stream mapping: Stream #0:0 (h264) -> overlay Stream #1:0 (png) -> overlay overlay:default -> Stream #0:0 (hevc_vaapi) Press [q] to stop, [?] for help [in#1/image2 @ 0x1e333e62c600] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8) Impossible to convert between the formats supported by the filter 'graph 0 input from stream 0:0' and the filter 'auto_scale_0' [fc#0 @ 0x1e333e66a080] Error reinitializing filters! Failed to inject frame into filter network: Function not implemented Error while filtering: Function not implemented Impossible to convert between the formats supported by the filter 'graph 0 input from stream 0:0' and the filter 'auto_scale_0' [fc#0 @ 0x1e333e66a080] Error reinitializing filters! Failed to inject frame into filter network: Function not implemented [out#0/mp4 @ 0x1e333e6b5600] Nothing was written into output file, because at least one of its streams received no packets. frame= 0 fps=0.0 q=0.0 Lsize= 0kB time=N/A bitrate=N/A speed=N/A Conversion failed! ---------<snap>-------- I'm not sure, if it's completely impossible, because some feature is missing on ffmpeg, or from the dri driver, or from freebsd (though, the simple task, to re-encode an mp4 file was working on this same host), or I just need to add some extra filter, so the output of the overlay filter would be compatible with the encoder / vaapi's input. Though, based on the error message, I don't even know if it's the input of the overlay filter, or the output of the overlay filter is problematic. Can someone please help? By googling the error message, I found this, but I'm not sure how to apply this to my filter, or if it's even the same problem. https://superuser.com/questions/1633883/ffmpeg-hevc-vaapi-impossible-to-con… Based on the answers there, I tried to convert it further, but without any luck: ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i input.mp4 -r 1 -i overlay%04d.png -filter_complex overlay -r 7.5 -an -c:v hevc_vaapi -crf 22 output.mp4 ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i input.mp4 -r 1 -i overlay%04d.png -filter_complex 'overlay,format=nv12|vaapi,hwupload' -r 7.5 -an -c:v hevc_vaapi -crf 22 output.mp4 ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i input.mp4 -r 1 -i overlay%04d.png -filter_complex 'overlay,format=yuv420p|vaapi,hwupload' -r 7.5 -an -c:v hevc_vaapi -crf 22 output.mp4 ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i input.mp4 -r 1 -i overlay%04d.png -filter_complex 'overlay,hwupload' -r 7.5 -an -c:v hevc_vaapi -crf 22 output.mp4 ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i input.mp4 -r 1 -i overlay%04d.png -filter_complex 'overlay,format=nv12|vaapi,hwupload' -r 7.5 -an -c:v hevc_vaapi -crf 22 output.mp4 ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i input.mp4 -r 1 -i overlay%04d.png -filter_complex 'overlay,format=yuv420p|vaapi,hwupload' -r 7.5 -an -c:v hevc_vaapi -crf 22 output.mp4 ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i input.mp4 -r 1 -i overlay%04d.png -filter_complex 'overlay,format=yuv420p,hwupload' -r 7.5 -an -c:v hevc_vaapi -crf 22 output.mp4 Thank you for every help! Gyu

2 4

QUESTION ABOUT VIDEO CODECS : LIBX264 vs LIBX265
by Hervé ANSELME 31 Mar '24

31 Mar '24

Hi all, I have a question about re-encoding a source video having libx264 video codec. Is there any advantage(s) to re-encode with the libx265, which is supposed to give better result than libx264 ? In other words, re-encoding with the x265 codec for the final video : can it improve the final video quality, compared to the source video, when the source video is encoded with x264 ? Thanks for your answers. Regards, HA

5 4

Build ffmpeg with libplacebo enabled
by 桃源老師 29 Mar '24

29 Mar '24

Hello, ffmpeg experts... I'm trying to build ffmpeg with libplacebo enabled. I have already installed minimum set of libplacebo on my Mac. When I configure ffmpeg with below option: ./configure --prefix=${TARGET} --pkg-config-flags=--static --enable-gpl --enable-version3 --enable-nonfree --enable-libplacebo ffmpeg seems successfully built, but it does not start with the following error: $ ./ffmpeg -version dyld[92607]: Library not loaded: @rpath/libshaderc_shared.1.dylib Referenced from: <E9F09951-2827-3D5D-92CA-4DACB85BD84A> /Volumes/ffmpeg_compile/bin/ffmpeg Reason: no LC_RPATH's found Abort trap: 6 After googling, adding --enable-rpath option to configure line might be seems to fix this error, but: $ ./ffmpeg -version dyld[3705]: Library not loaded: @rpath/libshaderc_shared.1.dylib Referenced from: <9FF5AC63-389F-3160-B965-4316EC33A6EA> /Volumes/ffmpeg_compile/bin/ffmpeg Reason: tried: '/Volumes/ffmpeg_compile/lib/libshaderc_shared.1.dylib' (no such file), '/System/Volumes/Preboot/Cryptexes/OS/Volumes/ffmpeg_compile/lib/libshaderc_shared.1.dylib' (no such file), '/Volumes/ffmpeg_compile/lib/libshaderc_shared.1.dylib' (no such file), '/System/Volumes/Preboot/Cryptexes/OS/Volumes/ffmpeg_compile/lib/libshaderc_shared.1.dylib' (no such file) Abort trap: 6 The situation goes much worse. So I strip --enable-rpath from confiigure line and add LDFLAGS: export LDFLAGS="-L${TARGET}/lib -lc++ -Wl,-ld_classic,-rpath,/usr/local/lib" This time, ffmpeg starts correctly: $ ./ffmpeg -version ffmpeg version N-114515-gfa110c32b5 Copyright (c) 2000-2024 the FFmpeg developers built with Apple clang version 15.0.0 (clang-1500.3.9.4) configuration: --prefix=/Volumes/ffmpeg_compile --pkg-config-flags=--static --enable-gpl --enable-version3 --enable-nonfree --enable-libplacebo libavutil 59. 10.100 / 59. 10.100 libavcodec 61. 4.100 / 61. 4.100 libavformat 61. 2.100 / 61. 2.100 libavdevice 61. 2.100 / 61. 2.100 libavfilter 10. 2.100 / 10. 2.100 libswscale 8. 2.100 / 8. 2.100 libswresample 5. 2.100 / 5. 2.100 libpostproc 58. 2.100 / 58. 2.100 $ ./ffmpeg -filters | grep placebo ffmpeg version N-114515-gfa110c32b5 Copyright (c) 2000-2024 the FFmpeg developers built with Apple clang version 15.0.0 (clang-1500.3.9.4) configuration: --prefix=/Volumes/ffmpeg_compile --pkg-config-flags=--static --enable-gpl --enable-version3 --enable-nonfree --enable-libplacebo libavutil 59. 10.100 / 59. 10.100 libavcodec 61. 4.100 / 61. 4.100 libavformat 61. 2.100 / 61. 2.100 libavdevice 61. 2.100 / 61. 2.100 libavfilter 10. 2.100 / 10. 2.100 libswscale 8. 2.100 / 8. 2.100 libswresample 5. 2.100 / 5. 2.100 libpostproc 58. 2.100 / 58. 2.100 ..C libplacebo N->V Apply various GPU filters from libplacebo And seems to work with libplacebo's example, Rescale input to fit into standard 1080p, with high quality scaling: $ ./ffmpeg -i ~/Movies/Enough\ is\ Enough.mp4 -vf "libplacebo=w=1920:h=1080:force_original_aspect_ratio=decrease:normalize_sar=true:upscaler=ewa_lanczos:downscaler=ewa_lanczos" ~/Desktop/test.mp4 ffmpeg version N-114515-gfa110c32b5 Copyright (c) 2000-2024 the FFmpeg developers built with Apple clang version 15.0.0 (clang-1500.3.9.4) configuration: --prefix=/Volumes/ffmpeg_compile --pkg-config-flags=--static --enable-gpl --enable-version3 --enable-nonfree --enable-libx264 --enable-libplacebo libavutil 59. 10.100 / 59. 10.100 libavcodec 61. 4.100 / 61. 4.100 libavformat 61. 2.100 / 61. 2.100 libavdevice 61. 2.100 / 61. 2.100 libavfilter 10. 2.100 / 10. 2.100 libswscale 8. 2.100 / 8. 2.100 libswresample 5. 2.100 / 5. 2.100 libpostproc 58. 2.100 / 58. 2.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Users/roushi/Movies/Enough is Enough.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2mp41 encoder : Lavf58.18.104 Duration: 00:05:25.33, start: 0.000000, bitrate: 452 kb/s Stream #0:0[0x1](und): Video: hevc (Main) (hvc1 / 0x31637668), yuv420p(tv, progressive), 720x480 [SAR 32:27 DAR 16:9], 301 kb/s, 29.97 fps, 29.97 tbr, 30k tbn (default) Metadata: handler_name : VideoHandler vendor_id : [0][0][0][0] Stream #0:1[0x2](und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 139 kb/s (default) Metadata: handler_name : SoundHandler vendor_id : [0][0][0][0] File '/Users/roushi/Desktop/test.mp4' already exists. Overwrite? [y/N] y Stream mapping: Stream #0:0 -> #0:0 (hevc (native) -> h264 (libx264)) Stream #0:1 -> #0:1 (aac (native) -> aac (native)) Press [q] to stop, [?] for help [libx264 @ 0x11f60f650] using SAR=1/1 [libx264 @ 0x11f60f650] using cpu capabilities: ARMv8 NEON [libx264 @ 0x11f60f650] profile High, level 4.0, 4:2:0, 8-bit [libx264 @ 0x11f60f650] 264 - core 164 r3190 7ed753b - H.264/MPEG-4 AVC codec - Copyleft 2003-2024 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00 Output #0, mp4, to '/Users/roushi/Desktop/test.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2mp41 encoder : Lavf61.2.100 Stream #0:0(und): Video: h264 (avc1 / 0x31637661), yuv420p(tv, progressive), 1620x1080 [SAR 1:1 DAR 3:2], q=2-31, 29.97 fps, 30k tbn (default) Metadata: handler_name : VideoHandler vendor_id : [0][0][0][0] encoder : Lavc61.4.100 libx264 Side data: cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default) Metadata: handler_name : SoundHandler vendor_id : [0][0][0][0] encoder : Lavc61.4.100 aac frame= 66 fps= 33 q=29.0 size= 0KiB time=00:00:02.13 bitrate= 0.2kbits frame= 128 fps= 51 q=29.0 size= 512KiB time=00:00:04.20 bitrate= 997.7kbits frame= 188 fps= 62 q=29.0 size= 768KiB time=00:00:06.20 bitrate=1013.8kbits frame= 251 fps= 71 q=29.0 size= 1280KiB time=00:00:08.30 bitrate=1262.1kbits [snip] frame= 9685 fps=106 q=29.0 size= 59392KiB time=00:05:23.08 bitrate=1505.9kbits [out#0/mp4 @ 0x60000215c300] video:54605KiB audio:5025KiB subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead: 0.769506% frame= 9750 fps=107 q=-1.0 Lsize= 60089KiB time=00:05:25.25 bitrate=1513.4kbits/s speed=3.56x [libx264 @ 0x11f60f650] frame I:73 Avg QP:17.01 size: 37763 [libx264 @ 0x11f60f650] frame P:2478 Avg QP:20.85 size: 12066 [libx264 @ 0x11f60f650] frame B:7199 Avg QP:22.61 size: 3231 [libx264 @ 0x11f60f650] consecutive B-frames: 1.2% 0.7% 0.9% 97.2% [libx264 @ 0x11f60f650] mb I I16..4: 33.0% 59.5% 7.6% [libx264 @ 0x11f60f650] mb P I16..4: 2.5% 3.8% 0.2% P16..4: 31.7% 5.8% 3.2% 0.0% 0.0% skip:52.9% [libx264 @ 0x11f60f650] mb B I16..4: 0.1% 0.1% 0.0% B16..8: 26.0% 0.7% 0.1% direct: 0.3% skip:72.6% L0:41.0% L1:57.6% BI: 1.3% [libx264 @ 0x11f60f650] 8x8 transform intra:58.9% inter:93.7% [libx264 @ 0x11f60f650] coded y,uvDC,uvAC intra: 34.0% 37.3% 4.1% inter: 4.6% 5.6% 0.0% [libx264 @ 0x11f60f650] i16 v,h,dc,p: 29% 22% 4% 44% [libx264 @ 0x11f60f650] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 26% 17% 21% 4% 7% 8% 6% 7% 4% [libx264 @ 0x11f60f650] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 27% 16% 4% 7% 6% 5% 4% 2% [libx264 @ 0x11f60f650] i8c dc,h,v,p: 64% 17% 16% 3% [libx264 @ 0x11f60f650] Weighted P-Frames: Y:4.0% UV:1.0% [libx264 @ 0x11f60f650] ref P L0: 63.9% 11.2% 20.2% 4.6% 0.0% [libx264 @ 0x11f60f650] ref B L0: 93.5% 5.5% 1.0% [libx264 @ 0x11f60f650] ref B L1: 97.9% 2.1% [libx264 @ 0x11f60f650] kb/s:1375.00 [aac @ 0x11f64d9d0] Qavg: 3032.814 After all, my question is that To add "-rpath,/usr/local/lib" into LDFLAGS to fix "no LC_RPATH's found" error on ffmpeg when enabling libplacebo is correct or not? Best Regards, Miya a.k.a. Tougen-roushi

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How to use libplacebo with FFmpeg?
by Hartman Tam 28 Mar '24

28 Mar '24

Hello all, As subject. I found out libplacebo is enabled on FFmpeg but I couldn't find any documentation associated with it. Can anyone guide me on how to use it? I want to upscale some old video I got using GLSL shaders. Thanks, Hartman

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Starting FFmpeg with nginx rmtp
by Mayiani, Martin Martine - mayianmm 26 Mar '24

26 Mar '24

Hello, I am trying to run ffmpeg with nginx rmtp and I am getting this error when I try to start ffmpeg from the terminal. " [in#0 @ 0x4c90380] Error opening input: Input/output error Error opening input file rtmp://localhost/src/. Error opening input files: Input/output error Exiting normally, received signal 2." Any idea on what I am doing wrong? Thanks Martin Mayiani Operation Specialist WMRA & WEMC 540.568.4045 wmra.org<https://urldefense.proofpoint.com/v2/url?u=http-3A__www.wmra.org_&d=DwMFaQ&…>

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ffplay - no delay between playbacks when looping
by computermaster360 26 Mar '24

26 Mar '24

I want to loop a short wav sample, which is an 8-bar melody: ffplay -loop 0 sample.wav There is a small, but perceptible delay between individual playbacks of the sample, which throws the melody off. Is there a way to make the playback completely continuous with no delay?

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MPEG 'broken_link' flag -- How do I set it?
by Mark Filipak 26 Mar '24

26 Mar '24

I cut at the end of an open GOP. When I did that, FFmpeg did not set the MPEG 'broken_link' flag to '1'. The frame following the cut has to be flagged: 'closed_gop' = '0' because it's an open GOP, also, and 'broken_link' = '1'. How do I do that? I searched but did not find. Thanks --Mark.

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