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4 Commits

Author SHA1 Message Date
Muhammad Faiz 61926b6c3e swresample/resample: use uniform normalization 
this gives better frequency response

update swresample fate and other fates
that depend on resampling

Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
 2017-03-08 16:09:38 +07:00
Daniel Verkamp 5e7d21c7ad ff_put_wav_header: add flag to force WAVEFORMATEX 
Partially undoes commit 2c4e08d89327595f7f4be57dda4b3775e1198d5e:

    riff: always generate a proper WAVEFORMATEX structure in
    ff_put_wav_header

A new flag, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX, is added to force the
use of WAVEFORMATEX rather than PCMWAVEFORMAT even for PCM codecs.

This flag is used in the Matroska muxer (the cause of the original
change) and in the ASF muxer, because the specifications for
these formats indicate explicitly that WAVEFORMATEX should be used.

Muxers for other formats will return to the original behavior of writing
PCMWAVEFORMAT when writing a header for raw PCM.

In particular, this causes raw PCM in WAV to generate the canonical
44-byte header expected by some tools.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-30 16:41:35 +02:00
Alexander Strasser ac25b31ede lswr: Improve default resampler's default parameters 
After making some blind tests on a small collection of music
samples for home usage. It turned out that the default cutoff
was too low.

The impact of filter_size was not clearly distinguishable (the
results were on the edge) with the music samples but turned out
to be clearly audible in some synthetic samples.

Thanks to Daniel for helping out with the listening tests.

Signed-off-by: Alexander Strasser <eclipse7@gmx.net>
 2013-01-04 16:47:57 +01:00
Michael Niedermayer 7711f19eda Merge commit 'e816034a5fa131b13c4ad87bb0b5065b4f5697c6' 
* commit 'e816034a5fa131b13c4ad87bb0b5065b4f5697c6':
  fate-seek: remove use of gnu make 3.82 only private modifier
  fate: move vsynth reference files to their own directory
  fate: move fate-acodec reference files to their own dir
  configure: avplay now depends on avresample
  fate: split dependencies for fate-seek tests

Conflicts:
	configure
	tests/fate/seek.mak

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2012-12-03 02:33:27 +01:00