Hi,
so 18.3 % of the frames were dropped and duplicated at same time.
Does that mean, that 8063 frames of the input were dropped and then same (or
other) 8064 frames were duplicated to the output?
What is the sense of this?
Maybe the original didn't have the exact framerate of 25 fps ?
Would it make sense to find the original frame rate and set the output frame
rate to that value to avoid the duplicates?
ffmpeg -i Raik\ Garve\ -\ Sinn\ des\ Lebens\ -\ Berufung\ -\ Aufgabe\ der\
Deutschen.mp4 -vf scale=iw/2:ih/2 -c:v libx265 -c:a libopus -movflags
+faststart Raik\ Garve\ -\ Sinn\ des\ Lebens\ -\ Berufung\ -\ Aufgabe\ der\
Deutschen_265.mp4
ffmpeg version 6.0-0ubuntu1~22.04.sav3.1 Copyright (c) 2000-2023 the FFmpeg
developers
built with gcc 11 (Ubuntu 11.4.0-1ubuntu1~22.04)
configuration: --prefix=/usr --extra-version='0ubuntu1~22.04.sav3.1' --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-amf --enable-gnutls --enable-ladspa --enable-lcms2 --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --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-librabbitmq --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzimg
--enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-sndio --enable-pocketsphinx --enable-librsvg --enable-avisynth --enable-libilbc --enable-libjxl --enable-librist --enable-vapoursynth --enable-libvmaf --enable-crystalhd --enable-libmfx --enable-libsvthevc --enable-libsvtav1 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-libplacebo --enable-librav1e --enable-shared
WARNING: library configuration mismatch
avcodec configuration: --prefix=/usr --extra-version='0ubuntu1~22.04.sav3.1' --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-amf --enable-gnutls --enable-ladspa --enable-lcms2 --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --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-librabbitmq --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid
--enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-sndio --enable-pocketsphinx --enable-librsvg --enable-avisynth --enable-libilbc --enable-libjxl --enable-librist --enable-vapoursynth --enable-libvmaf --enable-crystalhd --enable-libmfx --enable-libsvthevc --enable-libsvtav1 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-libplacebo --enable-librav1e --enable-shared --enable-version3 --disable-doc --disable-programs --enable-libaribb24 --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libtesseract --enable-libvo_amrwbenc --enable-libshaderc --enable-liblensfun --enable-libsmbclient
avfilter configuration: --prefix=/usr --extra-version='0ubuntu1~22.04.sav3.1' --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-amf --enable-gnutls --enable-ladspa --enable-lcms2 --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --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-librabbitmq --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid
--enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-sndio --enable-pocketsphinx --enable-librsvg --enable-avisynth --enable-libilbc --enable-libjxl --enable-librist --enable-vapoursynth --enable-libvmaf --enable-crystalhd --enable-libmfx --enable-libsvthevc --enable-libsvtav1 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-libplacebo --enable-librav1e --enable-shared --enable-version3 --disable-doc --disable-programs --enable-libaribb24 --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libtesseract --enable-libvo_amrwbenc --enable-libshaderc --enable-liblensfun --enable-libsmbclient
libavutil 58. 2.100 / 58. 2.100
libavcodec 60. 3.100 / 60. 3.100
libavformat 60. 3.100 / 60. 3.100
libavdevice 60. 1.100 / 60. 1.100
libavfilter 9. 3.100 / 9. 3.100
libswscale 7. 1.100 / 7. 1.100
libswresample 4. 10.100 / 4. 10.100
libpostproc 57. 1.100 / 57. 1.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Raik Garve - Sinn des Lebens -
Berufung - Aufgabe der Deutschen.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
Duration: 01:38:24.98, start: 0.000000, bitrate: 1377 kb/s
Stream #0:0[0x1](und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv,
bt709, progressive), 1280x720 [SAR 1:1 DAR 16:9], 1134 kb/s, 25 fps, 300 tbr,
90k 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, 233 kb/s (default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> hevc (libx265))
Stream #0:1 -> #0:1 (aac (native) -> opus (libopus))
Press [q] to stop, [?] for help
[libopus @ 0x5592096a2540] No bit rate set. Defaulting to 96000 bps.
x265 [info]: HEVC encoder version 3.5+1-f0c1022b6
x265 [info]: build info [Linux][GCC 11.2.0][64 bit] 8bit+10bit+12bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.1 Cache64
x265 [info]: Main profile, Level-2.1 (Main tier)
x265 [info]: Thread pool created using 2 threads
x265 [info]: Slices : 1
x265 [info]: frame threads / pool features : 1 / wpp(6 rows)
x265 [warning]: Source height < 720p; disabling lookahead-slices
x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
x265 [info]: Residual QT: max TU size, max depth : 32 / 1 inter / 1 intra
x265 [info]: ME / range / subpel / merge : hex / 57 / 2 / 3
x265 [info]: Keyframe min / max / scenecut / bias : 24 / 250 / 40 / 5.00
x265 [info]: Lookahead / bframes / badapt : 20 / 4 / 2
x265 [info]: b-pyramid / weightp / weightb : 1 / 1 / 0
x265 [info]: References / ref-limit cu / depth : 3 / off / on
x265 [info]: AQ: mode / str / qg-size / cu-tree : 2 / 1.0 / 32 / 1
x265 [info]: Rate Control / qCompress : CRF-28.0 / 0.60
x265 [info]: tools: rd=3 psy-rd=2.00 early-skip rskip mode=1 signhide tmvp
x265 [info]: tools: b-intra strong-intra-smoothing deblock sao
Output #0, mp4, to 'Raik Garve - Sinn des Lebens - Berufung - Aufgabe der
Deutschen_265.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf60.3.100
Stream #0:0(und): Video: hevc (hev1 / 0x31766568), yuv420p(tv, bt709,
progressive), 640x360 [SAR 1:1 DAR 16:9], q=2-31, 25 fps, 14762200.00 tbn
(default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
encoder : Lavc60.3.100 libx265
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
Stream #0:1(und): Audio: opus (Opus / 0x7375704F), 48000 Hz, stereo, flt, 96
kb/s (default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
encoder : Lavc60.3.100 libopus
[vost#0:0/libx265 @ 0x5592095da1c0] More than 1000 frames duplicated
152.3kbits/s dup=1000 drop=997 speed=1.21x
Starting second pass: moving the moov atom to the beginning of the file
frame=147620 fps= 29 q=36.0 Lsize= 117163kB time=01:38:24.97 bitrate=
162.5kbits/s dup=8064 drop=8063 speed=1.15x
video:52009kB audio:61035kB subtitle:0kB other streams:0kB global headers:2kB
muxing overhead: 3.644031%
x265 [info]: frame I: 593, Avg QP:24.72 kb/s: 5707.20
x265 [info]: frame P: 36702, Avg QP:29.79 kb/s: 153.03
x265 [info]: frame B: 110325, Avg QP:35.62 kb/s: 13.89
x265 [info]: Weighted P-Frames: Y:0.1% UV:0.0%
x265 [info]: consecutive B-frames: 1.9% 6.0% 9.4% 59.4% 23.2%
encoded 147620 frames in 5117.43s (28.85 fps), 71.35 kb/s, Avg QP:34.13
$ ffprobe -hide_banner -select_streams v:0 -count_frames -show_entries
stream=nb_read_frames Raik\ Garve\ -\ Sinn\ des\ Lebens\ -\ Berufung\ -\
Aufgabe\ der\ Deutschen.mp4
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Raik Garve - Sinn des Lebens -
Berufung - Aufgabe der Deutschen.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
Duration: 01:38:24.98, start: 0.000000, bitrate: 1377 kb/s
Stream #0:0[0x1](und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv,
bt709, progressive), 1280x720 [SAR 1:1 DAR 16:9], 1134 kb/s, 25 fps, 300 tbr,
90k 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, 233 kb/s (default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
[STREAM]
nb_read_frames=147619
[/STREAM]
-Ulf
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