Rodolfo Medina <[email protected]> writes: > Rodolfo Medina <[email protected]> writes: > >> Moritz Barsnick <[email protected]> writes: >> >>> On Wed, May 31, 2017 at 13:10:18 +0200, Cley Faye wrote: >>>> A shot in the dark here since I didn't have the patience to look at how >>>> -write_id3v1 work; but if I remember correctly, id3v1 tags are actually >>>> appended at the end of the mp3 stream in such a way that some older player >>>> would even play them, causing a small burst of audio at the end of such >>>> file. >>>> >>>> If ffmpeg really doesn't handle them when reading the stream, it would >>>> explain why 1- they get copied during stream copy, 2- why older tag would >>>> still show up first, and maybe also 3- why the new tag would show up after >>>> initial playing of the file, if the reader actually move from the end of >>>> the file to detect them after reading. >>> >>> That was my assumption, and why I suggested using the additional >>>option. But I have had enough of shooting in the dark. I created a file with >>>both v1 and v2 ID3 tags: $ ffmpeg -f lavfi -i anoisesrc -c:a libmp3lame >>>-metadata title='Where is this found?' -write_id3v1 1 -t 1 -ac:a 1 -b:a 24k >>>tmp/id3tagtest.mp3 >>> >>> and converted it in three different ways: $ ffmpeg -i tmp/id3tagtest.mp3 >>> -metadata title='This is the new tag!' -c copy >>> tmp/id3tagtest_copied_and_new_matadate_no_explicit_id3v1.mp3 $ ffmpeg -i >>> tmp/id3tagtest.mp3 -write_id3v1 1 -metadata title='This is the new tag!' -c >>> copy tmp/id3tagtest_copied_and_new_matadate_explicit_id3v1.mp3 $ ffmpeg -i >>> tmp/id3tagtest.mp3 -map_metadata -1 -c copy >>> tmp/id3tagtest_copied_and_map_metadata_minus_1.mp3 >>> >>> and apparently ffmpeg *always* overwrites or at least deletes the old >>> ID3v1 tag. None of the three resulting files contained a leak of the >>> old tag. (Inspected with "strings".) Period, 'nuff said. >>> >>> So, unless I missed something, it's the player's fault. >> >> >> It seems so. Sorry for having engaged people in a problem that does not >> concern ffmpeg. Now I changed not only tags, but also file names and the >> player still sees old file names. When I click over them to listen to them, >> another song is played in place of them. It's sort of been crazy (after >> having driven *me* crazy! ;-) ). > > > ...then, after a while, say some hours, it suddenly detects the changes and > shows the right new file names and tags. So it seems that Moritz was right > when speaking of some sort of `cache' my mplayer is doing...
...Unless this caching problem is not concerning the USB stick memory though... Possibile? Rodolfo _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
