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On Mon, Dec 1, 2014 at 10:40 PM, ???? ?????? <bart.gopnik at gmail.com> wrote: > Please help me solve the following problem: > > FLAC tools have a lots of warnings about non-subset files during > encoding, but unfortunately don't have easy way to check/test existing > FLAC stream for subset compliance. > > "flac -a"...

>> Ok I will give it a try and see what I can come up with. > Is the most interesting data the [frame] and [subframe] info? > Is the qlp_coeff[], warmpup[] and parameter[] data for each frame/subframe important? Yes, it would be nice if MetaFLAC will show minimum and maximum values of parameters (if are not constant/fixed) for the stream. And it would be VERY NICE if you implement

On Mon, Dec 1, 2014 at 11:55 PM, Waitman Gobble <gobble.wa at gmail.com> wrote: > > > On Mon, Dec 1, 2014 at 10:40 PM, ???? ?????? <bart.gopnik at gmail.com> > wrote: > >> Please help me solve the following problem: >> >> FLAC tools have a lots of warnings about non-subset files during >> encoding, but unfortunately don't have easy way to check/test existing >> FLAC stream for subset compliance. &...

Hi, I modified the metaflac program to output in JSON format if the --output-json switch is used, and made a simple Go program to demonstrate use of the output. I imported the MIT licensed json-c library into src/share/json-c and put headers in include/share/json-c. For example, # metaflac --output-json --list myfile.flac example output: https://gist.github.com/waitman/847a8cae4a650a8898ee If

I'm misleading about FLAC subset constraints... Please help me understand exact FLAC subset limitation.

Finally, does this mean that: 1. Now any block size from interval [16, 4607] is subset, e.g. 588? 2. Now any block size from interval [16, 16384] is subset, (only) if sample rate > 48 kHz? And the third is the most interesting question: 3. Now not only constant (fixed) block size stream can be subset, variable block size stream can also be subset, (only) if minimum block size of this stream

How to check/test existing FLAC stream for Subset (when encoding parameters are unknown and/or encoded with third-party FLAC encoders e.g. FFMPEG)?

Hi! Can anyone name hardware decoders that can't decode non-subset FLAC stream? Which hardware device or software fails for mismatch of any conditions described at http://xiph.org/flac/format.html#subset? Thanks in advance!

Please help me solve the following problem: FLAC tools have a lots of warnings about non-subset files during encoding, but unfortunately don't have easy way to check/test existing FLAC stream for subset compliance. "flac -a" generates the big text file that has data about each frame and subframe. But looks like I need parser and statistics tools to answer on question about subset

I mean that the first statement [Subset streams must use one of 192/576/1152/2304/4608/256/512/1024/2048/4096 (and 8192/16384 if the sample rate is >48kHz).] published on https://www.xiph.org/flac/documentation_tools_flac.html#flac_options_blocksize page IS NOT EQUAL to second statement [The blocksize bits in the frame header must be 0001-1110. The blocksize must be <=16384; if the sample

No, FFMPEG uses its own FLAC encoder/decoder, based on Flake source code, that based on FLAC reference encoder/decoder source code. Yes, I agree that "optimal"? values for reference encoder/decoder may differ "optimal"? values for FFMPEG's encoder/decoder. But we're talking about the "highest reasonable" values, not "optimal". >>>>>

> check the resulting file for subset blocksizes, sample rates, bits per sample, LPC filter order and rice partition order. That's all parameters that I need to check? FLAC tools have a lots of warnings about non-subset files during encoding, but unfortunately don't have easy way to check/test existing FLAC stream for subset compliance. "flac -a" generates the big text file

Any progress? > I agree. Please keep up informed. >> FLAC__format_blocksize_is_subset() was introduced by commit #8ab0138 >> (https://gitorious.org/flac/flac/commit/8ab013837d379d3d1fa84eac5420faec41852fd7) >> over 5 years ago and available in the latest stable release 1.3.0. >> >> It would be nice if the official FLAC documentation used common >> adopted

>>>>>>>>> I'm misleading about FLAC subset constraints... Please help me >>>>>>>>> understand exact FLAC subset limitation. >>>>>>>>> >>>>>>>>> From https://www.xiph.org/flac/documentation_tools_flac.html#flac_options_blocksize: >>>>>>>>>

Please help me understand what values of FFMPEG's "compression_level" preset generate subset FLAC stream and what not-subset? Default value of compression_level for FFMPEG's FLAC encoder is 5. FLAC specific encoder parameters: Encoder flac [FLAC (Free Lossless Audio Codec)]: Threading capabilities: no Supported sample formats: s16 s32 FLAC encoder AVOptions:

I mean that the first statement [Subset streams must use one of 192/576/1152/2304/4608/256/512/1024/2048/4096 (and 8192/16384 if the sample rate is >48kHz).] published on https://www.xiph.org/flac/documentation_tools_flac.html#flac_options_blocksize page IS NOT EQUAL to second statement [The blocksize bits in the frame header must be 0001-1110. The blocksize must be <=16384; if the sample