On 8/30/20, Mohamed Nmn <[email protected]> wrote: > Hello > What are ffmbeg commands to remove noise from the sound
Please do not hijack this thread by replying with different and unrelated mail subject. For unrelated subject open new thread - send new mail to this mailing list. > thanks > > في الأحد، 30 أغسطس 2020 في 9:18 ص تمت كتابة ما يلي بواسطة Paul B Mahol > <[email protected]>: > >> On 8/29/20, [email protected] <[email protected]> wrote: >> > For dev I'm using v. 4.3.1. and also the latest Git version of ffmpeg >> > (Zeranoe's Windows 64 builds). >> > >> > I get "strange" problems when running the official example code for >> decoding >> > audio >> > >> > https://github.com/FFmpeg/FFmpeg/blob/master/doc/examples/decode_audio.c >> > >> > MP3DirectCut(Lib-bass).mp3 >> > >> > >> http://www.mediafire.com/file/ozmjjcpwyhhdnr7/MP3DirectCut(Lib-bass).mp3/file >> > >> > Generates pcm, but outputs: >> > >> > "Warning: the sample format the decoder produced is planar (s16p). >> > This example will output the first channel only." >> > >> > But the output pcm has both channels!?? >> > >> > When recoding the above mp3 to wav with ffmpeg (4.1.4, no error >> > message) >> > >> > http://www.mediafire.com/file/gcq7ryg43pd57q5/ffmpeg4.1.4.wav/file >> > >> > and also when recoding the latter to mp3 again >> > >> > >> http://www.mediafire.com/file/ij865dkrprn2lta/ffmpeg4.1.4_recode.mp3/file >> > >> > the example code breaks and produces these error messages ("mp2 @ ..." >> also >> > for the wav file): >> > >> > avcodec_send_packet () >> > from within: >> > "[mp2 @ <someAddress>] Header missing" >> > and returns error code -1094995529 >> > (= "Invalid data found when processing input") >> > >> > It produces that error message for literally all other formats I tried, >> and >> > also when written with another editor (Audition 3.0). >> > But all the files play and show fine on all programs I have. >> > >> > I'm at a lost at this point. What is going on and wrong here? >> >> Just because decode_audio does not skip ID3 metadata from start of >> later mp3 file. >> That is reasonably as program is just demonstration and not full blown >> solution. >> >> > >> > _______________________________________________ >> > Libav-user mailing list >> > [email protected] >> > https://ffmpeg.org/mailman/listinfo/libav-user >> > >> > To unsubscribe, visit link above, or email >> > [email protected] with subject "unsubscribe". >> _______________________________________________ >> Libav-user mailing list >> [email protected] >> https://ffmpeg.org/mailman/listinfo/libav-user >> >> To unsubscribe, visit link above, or email >> [email protected] with subject "unsubscribe". > _______________________________________________ Libav-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/libav-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
