Commit Graph

6 Commits

Author SHA1 Message Date
Michael Niedermayer
59352a07d8 avcodec: improve precission for cbrtf() emulation
cbrtf() took floats but it represented 1/3 exactly
and even if not more precission should be better in theory
for the table generation

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-10-15 21:03:03 +02:00
Derek Buitenhuis
008014b5e7 tablegen: Don't use cbrtf in host tools
You cannot count on them being present on all systems, and you
cannot include libm.h in a host tool, so just hard code baseline
implementations.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2013-10-15 16:52:07 +01:00
Michael Niedermayer
bf8bb94322 Merge remote-tracking branch 'qatar/master'
* qatar/master:
  ffmpeg: get rid of the -vglobal option.
  dct32: Add AVX implementation of 32-point DCT
  dct32: Change pass 6 permutation to allow for AVX implementation
  dct32: port SSE 32-point DCT to YASM
  multiple inclusion guard cleanup
  avio: document buffer must created with av_malloc() and friends
  avio: check AVIOContext malloc failure
  swscale: point out an alternative to sws_getContext
  svq3: Do initialization after parsing the extradata
  add changelog entries for 0.7_beta2
  mp3lame: add #include required for AV_RB32 macro.

Conflicts:
	Changelog
	libavcodec/svq3.c
	libavcodec/x86/dct32_sse.c
	libavfilter/vsrc_buffer.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-05-22 04:53:19 +02:00
Diego Biurrun
153382e1b6 multiple inclusion guard cleanup
Add missing multiple inclusion guards; clean up #endif comments;
add missing library prefixes; keep guard names consistent.
2011-05-21 13:48:10 +02:00
Mans Rullgard
2912e87a6c Replace FFmpeg with Libav in licence headers
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-03-19 13:33:20 +00:00
Reimar Döffinger
c26bce1070 Allow hard-coding of the 32kB cubic-root table for AAC.
Originally committed as revision 22527 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-03-14 19:59:47 +00:00