On 8/5/20, scrutinizer <[email protected]> wrote: > To add more practical usage examples where bits_per_sample is useless. > Here’s an APE file on which MediaInfo reports 24 bit depth. And here’s the > output of the ffprobe: > > '/Users/Me/Music/For Batch Conversion/Judas Priest - Stained Class - > 1978.Ape': > Duration: 00:43:21.00, Start: 0.000000, Bitrate: 3039 Kb/S > Stream #0:0: Audio: Ape (Ape / 0X20455041), 96000 Hz, Stereo, S32P > Bits_Per_Sample=0 > Bits_Per_Raw_Sample=N/A > > Bits per sample is 0? It’s not. Any form of the ffprobe command - be it > show_streams, select_stream, show_formats - returns the identically > incorrect result.
This is obvious bug, bits_per_raw_sample should report 24. > >> On 5 Aug 2020, at 20:18, scrutinizer <[email protected]> wrote: >> >> If the option in question indeed is available then it’s undocumented. The >> ffprobe help reveals the following usage: >> >> Global options (affect whole program instead of just one file): >> -loglevel loglevel set logging level >> -v loglevel set logging level >> -report generate a report >> -max_alloc bytes set maximum size of a single allocated block >> -y overwrite output files >> -n never overwrite output files >> -ignore_unknown Ignore unknown stream types >> -filter_threads number of non-complex filter threads >> -filter_complex_threads number of threads for -filter_complex >> -stats print progress report during encoding >> -max_error_rate maximum error rate ratio of errors (0.0: no errors, 1.0: >> 100% errors) above which ffmpeg returns an error instead of success. >> -bits_per_raw_sample number set the number of bits per raw sample >> -vol volume change audio volume (256=normal) >> >> >> There’s bits_per_raw_sample but no bits_per_sample. And the same is true >> for the video options - no bits_per_sample. >> >>> On 5 Aug 2020, at 12:08, Paul Blakeman via ffmpeg-user >>> <[email protected] <mailto:[email protected]>> wrote: >>> >>> >>> >>> Input #0, wav, from 'Lee.wav': >>> Metadata: >>> encoded_by : Pro Tools >>> originator_reference: 7iGQ3S9p7mlaaaGk >>> date : 2020-07-23 >>> creation_time : 14:05:55 >>> time_reference : 158865370 >>> Duration: 00:04:15.83, bitrate: 1422 kb/s >>> Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, 2 >>> channels, s16, 1411 kb/s >>> bits_per_sample=16 >>> bits_per_raw_sample=N/A >>> >>> >>> When I try on an audio file created with ProTools >>> >>> ffprobe -show_streams -show_format Lee.wav | grep bits >>> >>> On an audio file “bits_per_sample” is what you are after >>> >>> >>>> On 5 Aug 2020, at 08:41, Paul B Mahol <[email protected] >>>> <mailto:[email protected]>> wrote: >>>> >>>> On 8/5/20, scrutinizer <[email protected] >>>> <mailto:[email protected]>> wrote: >>>>> The file is AIFF, 24bit/96kHz. I want to get the “24bit” part (or >>>>> simply >>>>> “24"). >>>> >>>> See bits per raw sample field. >>>> >>>>> >>>>>> On 5 Aug 2020, at 03:39, Carl Eugen Hoyos <[email protected] >>>>>> <mailto:[email protected]>> wrote: >>>>>> >>>>>> >>>>>> >>>>>>> Am 04.08.2020 um 16:56 schrieb scrutinizer <[email protected] >>>>>>> <mailto:[email protected]>>: >>>>>>> >>>>>>> is it possible to retrieve the bit depth value of an audio-file >>>>>> >>>>>> Depends on the file. >>>>>> >>>>>> Carl Eugen >>>>>> _______________________________________________ >>>>>> ffmpeg-user mailing list >>>>>> [email protected] <mailto:[email protected]> >>>>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-user >>>>>> >>>>>> To unsubscribe, visit link above, or email >>>>>> [email protected] with subject "unsubscribe". >>>>> >>>>> _______________________________________________ >>>>> ffmpeg-user mailing list >>>>> [email protected] <mailto:[email protected]> >>>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-user >>>>> >>>>> To unsubscribe, visit link above, or email >>>>> [email protected] with subject "unsubscribe". >>>> _______________________________________________ >>>> ffmpeg-user mailing list >>>> [email protected] <mailto:[email protected]> >>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-user >>>> >>>> To unsubscribe, visit link above, or email >>>> [email protected] with subject "unsubscribe". >>> >>> _______________________________________________ >>> ffmpeg-user mailing list >>> [email protected] <mailto:[email protected]> >>> https://ffmpeg.org/mailman/listinfo/ffmpeg-user >>> >>> To unsubscribe, visit link above, or email >>> [email protected] with subject "unsubscribe". >> > > _______________________________________________ > ffmpeg-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
