Hi Shubham, When I copy your mail below (not done on this list, mind you!), it’s exactly as long as it was before. What do you expect? Bouke
> On 20 Apr 2022, at 15:01, Shubham Tiwari <shubham.tiw...@observe.ai> wrote: > > Hi, > > When I run ffmpeg command on a wav file, the received output file is of > large size as compared to the original file. The command and the output are > below, > > *FFMPEG command* > > % ~/Downloads/audio/ffmpeg -i call-redacted.wav output.wav > > ffmpeg version 4.4.1-tessus https://evermeet.cx/ffmpeg/ Copyright (c) > 2000-2021 the FFmpeg developers > > built with Apple clang version 11.0.0 (clang-1100.0.33.17) > > configuration: --cc=/usr/bin/clang --prefix=/opt/ffmpeg > --extra-version=tessus --enable-avisynth --enable-fontconfig --enable-gpl > --enable-libaom --enable-libass --enable-libbluray --enable-libdav1d > --enable-libfreetype --enable-libgsm --enable-libmodplug > --enable-libmp3lame --enable-libmysofa --enable-libopencore-amrnb > --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg > --enable-libopus --enable-librubberband --enable-libshine > --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora > --enable-libtwolame --enable-libvidstab --enable-libvmaf > --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwebp > --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid > --enable-libzimg --enable-libzmq --enable-libzvbi --enable-version3 > --pkg-config-flags=--static --disable-ffplay > > libavutil 56. 70.100 / 56. 70.100 > > libavcodec 58.134.100 / 58.134.100 > > libavformat 58. 76.100 / 58. 76.100 > > libavdevice 58. 13.100 / 58. 13.100 > > libavfilter 7.110.100 / 7.110.100 > > libswscale 5. 9.100 / 5. 9.100 > > libswresample 3. 9.100 / 3. 9.100 > > libpostproc 55. 9.100 / 55. 9.100 > > Input #0, mp3, from 'call-redacted.wav': > > Metadata: > > encoder : Lavf58.45.100 > > Duration: 00:13:06.38, start: 0.138125, bitrate: 64 kb/s > > Stream #0:0: Audio: mp3, 8000 Hz, stereo, fltp, 64 kb/s > > Stream mapping: > > Stream #0:0 -> #0:0 (mp3 (mp3float) -> pcm_s16le (native)) > > Press [q] to stop, [?] for help > > Output #0, wav, to 'output.wav': > > Metadata: > > ISFT : Lavf58.76.100 > > Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 8000 Hz, stereo, > s16, 256 kb/s > > Metadata: > > encoder : Lavc58.134.100 pcm_s16le > > size= 24569kB time=00:13:06.17 bitrate= 256.0kbits/s speed=2.97e+03x > > video:0kB audio:24569kB subtitle:0kB other streams:0kB global headers:0kB > muxing overhead: 0.000310 > > > *Input and output file sizes* > > du -sh call-redacted.wav > > 6.5M call-redacted.wav > > du -sh output.wav > > 24M output.wav > > > Alternatively, when I run the same command but change the output > file's extension to mp3, the correct sized file is returned. But the time > taken (6 seconds) in this case is quite higher than the previous case(less > than 1 second). The command and output is below, > > > > ~/Downloads/audio/ffmpeg -i call-redacted.wav output.mp3 > > ffmpeg version 4.4.1-tessus https://evermeet.cx/ffmpeg/ Copyright (c) > 2000-2021 the FFmpeg developers > > built with Apple clang version 11.0.0 (clang-1100.0.33.17) > > configuration: --cc=/usr/bin/clang --prefix=/opt/ffmpeg > --extra-version=tessus --enable-avisynth --enable-fontconfig --enable-gpl > --enable-libaom --enable-libass --enable-libbluray --enable-libdav1d > --enable-libfreetype --enable-libgsm --enable-libmodplug > --enable-libmp3lame --enable-libmysofa --enable-libopencore-amrnb > --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg > --enable-libopus --enable-librubberband --enable-libshine > --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora > --enable-libtwolame --enable-libvidstab --enable-libvmaf > --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwebp > --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid > --enable-libzimg --enable-libzmq --enable-libzvbi --enable-version3 > --pkg-config-flags=--static --disable-ffplay > > libavutil 56. 70.100 / 56. 70.100 > > libavcodec 58.134.100 / 58.134.100 > > libavformat 58. 76.100 / 58. 76.100 > > libavdevice 58. 13.100 / 58. 13.100 > > libavfilter 7.110.100 / 7.110.100 > > libswscale 5. 9.100 / 5. 9.100 > > libswresample 3. 9.100 / 3. 9.100 > > libpostproc 55. 9.100 / 55. 9.100 > > Input #0, mp3, from 'call-redacted.wav': > > Metadata: > > encoder : Lavf58.45.100 > > Duration: 00:13:06.38, start: 0.138125, bitrate: 64 kb/s > > Stream #0:0: Audio: mp3, 8000 Hz, stereo, fltp, 64 kb/s > > Stream mapping: > > Stream #0:0 -> #0:0 (mp3 (mp3float) -> mp3 (libmp3lame)) > > Press [q] to stop, [?] for help > > Output #0, mp3, to 'output.mp3': > > Metadata: > > TSSE : Lavf58.76.100 > > Stream #0:0: Audio: mp3, 8000 Hz, stereo, fltp > > Metadata: > > encoder : Lavc58.134.100 libmp3lame > > size= 2304kB time=00:13:06.17 bitrate= 24.0kbits/s speed= 130x > > video:0kB audio:2304kB subtitle:0kB other streams:0kB global headers:0kB > muxing overhead: 0.011063 > > du -sh output.mp3 > > 3.3M output.mp3 > > > Please help me out in identifying the right command options for optimum > time and filesize. > > > Regards, > > Shubham > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
