similar to: Serious bug in FLAC

As far as I can tell I've found a serious bug in the command line flac encoder :( I have created many hundreds of flac files and I was very annoyed to discover that the XMMS flac plug-in had intolerably long seek times, but since that had been mentioned on this list a bunch of times without anyone actually investigating, I thought I had better actually find the BUG which causes this. 1. I

So I recently encoded my entire CD collection (over 7000 songs) to flac and I have found that 18 of them have a strange problem.  The files are corrupted in some way.. They will stop playing abruptly in the middle of the song.  I've attached a listing of the metadata and you'll see what I mean.  You can see that the seek points toward the end have a bunch of zeros and I'm not sure

Here you are: soa2ii at thor /mnt/files/music/Slime/Alle gegen Alle $ metaflac --list 02\ St?rtebecker.flac METADATA block #0 type: 0 (STREAMINFO) is last: false length: 34 minimum blocksize: 4608 samples maximum blocksize: 4608 samples minimum framesize: 14 bytes maximum framesize: 15637 bytes sample_rate: 44100 Hz channels: 2 bits-per-sample: 16 total samples: 5857656

Am 14.10.24 um 09:11 schrieb Martijn van Beurden: > Op zo 13 okt 2024 om 22:33 schreef Stefan Oltmanns <stefan-oltmanns at gmx.net>: >> > >> >> The signal is the FM-modulated video signal of video tapes (like VHS). >> The idea is to capture the signal directly from the video head amplifier >> in the VCR and later demodulate/decode it in software, providing

Am 14.10.24 um 16:30 schrieb Martijn van Beurden: > Op ma 14 okt 2024 om 16:06 schreef Stefan Oltmanns <stefan-oltmanns at gmx.net>: > > I meant that when seeking to a certain sample, the stream decoder can > in fact use the seektable despite not knowing a total number of > samples. Of course, players, especially with GUIs, have to deal with > not knowing a total number of

Op ma 14 okt 2024 om 16:06 schreef Stefan Oltmanns <stefan-oltmanns at gmx.net>: > > Unfortunately that doesn't seem to be the case. I just made a capture > that is > 30 Minutes with total samples set to 0 and a seek table: All > players I tried cannot seek in the file and cannot determine it's > length: VLC, Celluloid and DeaDBeef > > I wondered why I can

Ok, the patch from 2003 about improving seeking still didn't make it to CVS, so here is another try. I made some benchmarking with the test_seeking utility from flac sources to show how bad the current seeking is, especially without seektable. Track used for the experiment had about 50 minutes. In the following table is average number of seeks and number of decoded frames required for one

On Mon, Jan 24, 2005 at 06:31:21PM -0800, Josh Coalson wrote: > yes, a mere 2 years later it is checked in! > > speed improvement for me is roughly 17% testing flac files on > linux-i386. Thanks! In case you would like to check another old patch, I have attached updated patch for seekable stream decoder, originally posted on 09/07/2003. -- Miroslav Lichvar -------------- next

When I was trying to find yesterday's xmms-plugin bug, i have noticed that seeking in stream without seek-table isn't very good. With attached patch it is much better. -- Miroslav Lichvar -------------- next part -------------- --- src/libFLAC/seekable_stream_decoder.c.orig 2003-02-26 19:41:51.000000000 +0100 +++ src/libFLAC/seekable_stream_decoder.c 2003-07-09 23:49:35.000000000 +0200

Josh Coalson <xflac@yahoo.com> wrote: > --- Scott F <graue@oceanbase.org> wrote: > > > If I use flac to encode with the --replay-gain > > option, I get a warning about the --no-padding > > option... > > > > "NOTE: --replay-gain may leave a small PADDING block even with > > --no-padding" > > > > ...even though I'm

On Mon, Oct 30, 2006 at 11:13:25AM -0800, Josh Coalson wrote: > my apologies for not doing this before Miroslav... I will definitely > integrate it this time. Thanks. Sending latest version of the patch. Now it can seek in files that have large id3 tag (or any random data) at the end and it won't loop on streams with shuffled frames. -- Miroslav Lichvar -------------- next part

Op zo 13 okt 2024 om 02:16 schreef Stefan Oltmanns <stefan-oltmanns at gmx.net>: > > I cannot find any clues in the documentation how to write a > seektable/reserve space for it. > Can someone help me out? > There's actually quite a lot of documentation for this. Please review https://xiph.org/flac/api/group__flac__stream__encoder.html#ga80d57f9069e354cbf1a15a3e3ad9ca78

Hi Martijn, Am 13.10.24 um 21:00 schrieb Martijn van Beurden: > > There's actually quite a lot of documentation for this. > > Please review https://xiph.org/flac/api/group__flac__stream__encoder.html#ga80d57f9069e354cbf1a15a3e3ad9ca78 > > I quote: >> SEEKTABLE blocks are handled specially. Since you will not know the >> values for the seek point stream offsets,

Op zo 13 okt 2024 om 22:33 schreef Stefan Oltmanns <stefan-oltmanns at gmx.net>: > > Is the seektable written at the beginning of the file in the metadata > block or can there also be a second metadata block at the end? > Only at the start of the file. > > If it's at the beginning, would it possible to reserve space for N seek > points and during encoding remember

I think there is another major issue for me: In METADATA_BLOCK_STREAMINFO the field for the length is only 36 bit, that's not even half an hour at 40 MHz sample rate, resulting in that the encoder sets it to 0 for longer captures. In the seekpoint the sample number is 64 bit, which is more than enough. But how does the decoder handle the seektable when the total number of samples is unknown?

Hi I have downloaded a FLAC file somewhere and when trying to decode it to WAV it gives the error message: ERROR, MD5 signature mismatch So my question is now: are FLAC files that give the error message above still decodable to WAV (and how can you do this, because flac.exe doesn't want to decode the file), even if there is a MD5 signature mismatch, or is this not possible at all? thx

So, let's provide some information then :-) ---------------------------------------------------------------------------------------------- soa2ii at thor /mnt/files/music/Slime/Alle gegen Alle $ flac -aF 02\ St?rtebecker.flac flac 1.2.1, Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007 Josh Coalson flac comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome

(I am not on this list, please CC me manually if necessary) On Fri, Mar 15, 2002 at 11:47:15PM -0500, Asheesh Laroia wrote: > Are you sure it's not your compiler? That's the first thing I would > check. I know that RedHat is famous for including broken pre-releases of > GCC in their distributions since 7.0. FUD. Please stop that, it makes you look unprofessional. Until you can

Hello, I'm using flac to compress s signal data during capture. The sample rate is almost a thousands time higher compared to audio (40 MHz), resulting in a lot of data very quickly. I'm using the C API in my capturing application (mostly copy&paste directly from the example) and it works so far, but unfortunately for longer captures there is no seeking information. How can I tell

Erik, My working view has this as the last commit: commit 19e3918d4e35f4ab99e7fcc58c169025c576dd16 Author: David Schleef <ds at schleef.org> Date:?? Thu Aug 25 18:40:29 2011 -0700 ??? Fix md5 structure clearing in previous commit Using this, test_metaflac.sh runs cleanly with my cuesheet.c change. I set up another view using HEAD at git.xiph.org, and in this other view