[FFmpeg-user] -qscale:a and -write_xing 0 can't be used at same time?

2017-01-26 Thread 桃源老師
Hello ffmpeg experts... I'm trying to convert alac (Apple Lossless Audio Codec) to mp3 on macOS. I found that the result mp3 shows twice long duration in macOS Finder and iTunes. I googled and found that adding "-write_xing 0" fixes this wrong duration. But if I try to use "-write_xing 0" wit

Re: [FFmpeg-user] -qscale:a and -write_xing 0 can't be used at same time?

2017-01-27 Thread Moritz Barsnick
On Fri, Jan 27, 2017 at 00:53:43 +0900, 桃源老師 wrote: > I found that the result mp3 shows twice long duration in macOS Finder > and iTunes. I googled and found that adding "-write_xing 0" fixes > this wrong duration. It would be interesting to see the different interpretations of durations in vario

Re: [FFmpeg-user] -qscale:a and -write_xing 0 can't be used at same time?

2017-01-27 Thread Lou
On Fri, 27 Jan 2017 00:53:43 +0900 桃源老師 wrote: > Hello ffmpeg experts... > > I'm trying to convert alac (Apple Lossless Audio Codec) to mp3 on > macOS. > > I found that the result mp3 shows twice long duration in macOS Finder > and iTunes. I googled and found that adding "-write_xing 0" fixes

Re: [FFmpeg-user] -qscale:a and -write_xing 0 can't be used at same time?

2017-01-27 Thread 桃源老師
Hello Moritz-san, Thanks for your replay: > 2017/01/28 2:56 A.M. Moritz Barsnick gmx.net > > wrote: > > On Fri, Jan 27, 2017 at 00:53:43 +0900, 桃源老師 wrote: > >> I found that the result mp3 shows twice long duration in macOS Finder >> and iTunes. I googled and found that addi

Re: [FFmpeg-user] -qscale:a and -write_xing 0 can't be used at same time?

2017-01-27 Thread 桃源老師
Hello Lou-san, Thanks for your reply: > 2017/01/28 6:09 A.M. Lou lrcd.com> wrote: > > On Fri, 27 Jan 2017 00:53:43 +0900 > 桃源老師 mailto:xanadu6...@dream.jp>> wrote: > >> Hello ffmpeg experts... >> >> I'm trying to convert alac (Apple Lossless Audio Codec) to mp3 on >> macOS. >> >> I found that

Re: [FFmpeg-user] -qscale:a and -write_xing 0 can't be used at same time?

2017-01-28 Thread 桃源老師
Additional information... Not related with original question, but to understand the work-around "-write_xing 0"... > 2017/01/28 6:56 A.M. 桃源老師 wrote: > > My understanding for ffmpeg's option "-write_xing 0" is to instruct not to > write Xing header to result file(s). If it is correct, I wond