generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
31,127 Commits 24 Branches 241 Tags 173 MiB
46edd3a01b
Commit Graph

35 Commits

Author SHA1 Message Date
Michael Niedermayer
d552f616a2 Merge remote-tracking branch 'qatar/master' 
* qatar/master: (28 commits)
  Remove some non-compiling debug messages.
  ffplay: Fix non-compiling debug printf and replace it by av_dlog.
  H264: x86 predict init cosmetics.
  ac3enc: Fix linking of AC-3 encoder without the E-AC-3 encoder.
  Move E-AC-3 encoder functions to a separate eac3enc.c file.
  ac3enc: remove convenience macro, #define DEBUG
  ac3enc: remove unused #define
  vc1: re-initialize tables after width/height change.
  APIchanges: fill-in git commit hash for av_get_bytes_per_sample() addition
  samplefmt: add av_get_bytes_per_sample()
  iirfilter: fix biquad filter coefficients.
  swscale: remove duplicate conversion routine in swScale().
  swscale: add yuv2planar/packed function typedefs.
  swscale: integrate yuv2nv12X_C into yuv2yuvX() function pointers.
  swscale: reindent x86 init code.
  swscale: extract SWS_FULL_CHR_H_INT conditional into init code.
  swscale: cosmetics.
  swscale: remove alp/chr/lumSrcOffset.
  swscale: un-special-case yuv2yuvX16_c().
  shorten: Remove stray DEBUG #define and corresponding av_dlog statement.
  ...

Conflicts:
	doc/APIchanges
	libavcodec/ac3enc.c
	libavutil/avutil.h
	libavutil/samplefmt.c
	libswscale/swscale.c
	libswscale/swscale_internal.h
	libswscale/x86/swscale_template.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2011-06-08 05:25:28 +02:00
Justin Ruggles
2f37321abc iirfilter: fix biquad filter coefficients. 
The current filter implementation should only have the cx coefficients
divided by gain in order to give the correct output scale.
 2011-06-07 10:47:36 -04:00
Michael Niedermayer
b4bcd1e2f1 Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  Fix compilation of iirfilter-test.
  libx264: handle closed GOP codec flag
  lavf: remove duplicate assignment in avformat_alloc_context.
  lavf: use designated initializers for AVClasses.
  flvdec: clenup debug code
  asfdec: fix possible overread on broken files.
  asfdec: do not fall back to binary/generic search
  asfdec: reindent after previous commit c7bd5ed
  asfdec: fallback to binary search internally
  mpegaudio: add _fixed suffix to some names
  Modify x86util.asm to ease transitioning to 10-bit H.264 assembly.
  dct: build dct32 as separate object files
  qdm2: include correct header for rdft

Conflicts:
	ffpresets/libx264-fast.ffpreset
	ffpresets/libx264-fast_firstpass.ffpreset
	ffpresets/libx264-faster.ffpreset
	ffpresets/libx264-faster_firstpass.ffpreset
	ffpresets/libx264-medium.ffpreset
	ffpresets/libx264-medium_firstpass.ffpreset
	ffpresets/libx264-placebo.ffpreset
	ffpresets/libx264-placebo_firstpass.ffpreset
	ffpresets/libx264-slow.ffpreset
	ffpresets/libx264-slow_firstpass.ffpreset
	ffpresets/libx264-slower.ffpreset
	ffpresets/libx264-slower_firstpass.ffpreset
	ffpresets/libx264-superfast.ffpreset
	ffpresets/libx264-superfast_firstpass.ffpreset
	ffpresets/libx264-ultrafast.ffpreset
	ffpresets/libx264-ultrafast_firstpass.ffpreset
	ffpresets/libx264-veryfast.ffpreset
	ffpresets/libx264-veryfast_firstpass.ffpreset
	ffpresets/libx264-veryslow.ffpreset
	ffpresets/libx264-veryslow_firstpass.ffpreset
	libavformat/flvdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2011-05-18 05:42:42 +02:00
Justin Ruggles
a26d2b4bc8 Fix compilation of iirfilter-test. 2011-05-17 18:06:51 -04:00
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
Justin Ruggles
0ca4fcc94c Add special case for 2nd-order IIR filter. 
40% faster in ff_iir_filter_flt() when c->order == 2.
(cherry picked from commit 37cb3eb534)
 2011-01-28 03:15:35 +01:00
Justin Ruggles
37cb3eb534 Add special case for 2nd-order IIR filter. 
40% faster in ff_iir_filter_flt() when c->order == 2.
 2011-01-28 00:04:02 +00:00
Justin Ruggles
ff5eded449 10l: reverse the biquad coefficients. 
I did not notice that the filter implementation uses a reversed history state.

Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
(cherry picked from commit 98cfadd648)
 2011-01-23 19:32:07 +01:00
Justin Ruggles
17d4f4558e iir: Change dst param to float* in ff_iir_filter_flt(). 
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 69915b48d6)
 2011-01-23 19:32:07 +01:00
Justin Ruggles
98cfadd648 10l: reverse the biquad coefficients. 
I did not notice that the filter implementation uses a reversed history state.

Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
 2011-01-22 04:46:48 +01:00
Justin Ruggles
69915b48d6 iir: Change dst param to float* in ff_iir_filter_flt(). 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-01-21 22:23:43 +00:00
Justin Ruggles
a994f86196 iir: change filter type if/else to a switch. 
Simplifies error handling and makes it easier to add additional filter types.

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 0361d13cf3)
 2011-01-21 20:36:01 +01:00
Justin Ruggles
aa226b2460 Add biquad high-pass and low-pass IIR filters. 
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit fcdf0a43cd)
 2011-01-21 20:36:01 +01:00
Justin Ruggles
2293b0b698 Split out Butterworth filter coeff init to a separate function. 
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 30112adadf)
 2011-01-21 20:36:01 +01:00
Justin Ruggles
99c2111b12 cosmetics: vertical alignment and line wrap 
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 75b98610a7)
 2011-01-21 20:36:01 +01:00
Justin Ruggles
20d1f6fec1 Add memory allocation failure checks to ff_iir_filter_init_coeffs(). 
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit d42dc217ed)
 2011-01-21 20:36:01 +01:00
Justin Ruggles
7891fdcc03 cosmetics: wrap long line 
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit ebb230279a)
 2011-01-21 20:36:00 +01:00
Justin Ruggles
b3b8b930fc Add function ff_iir_filter_flt() to accept floating-point input and output. 
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 0a3d7697b4)
 2011-01-21 20:36:00 +01:00
Justin Ruggles
f32e646d82 Fix use of sstep/dstep in ff_iir_filter(). 
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit c3897d7690)
 2011-01-21 20:35:45 +01:00
Justin Ruggles
0361d13cf3 iir: change filter type if/else to a switch. 
Simplifies error handling and makes it easier to add additional filter types.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-01-20 23:55:21 +00:00
Justin Ruggles
fcdf0a43cd Add biquad high-pass and low-pass IIR filters. 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-01-20 23:51:01 +00:00
Justin Ruggles
30112adadf Split out Butterworth filter coeff init to a separate function. 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-01-20 20:23:28 +00:00
Justin Ruggles
75b98610a7 cosmetics: vertical alignment and line wrap 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-01-20 18:35:42 +00:00
Justin Ruggles
d42dc217ed Add memory allocation failure checks to ff_iir_filter_init_coeffs(). 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-01-20 18:35:13 +00:00
Justin Ruggles
ebb230279a cosmetics: wrap long line 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-01-20 17:27:00 +00:00
Justin Ruggles
0a3d7697b4 Add function ff_iir_filter_flt() to accept floating-point input and output. 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-01-20 17:26:13 +00:00
Justin Ruggles
c3897d7690 Fix use of sstep/dstep in ff_iir_filter(). 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-01-19 20:56:07 +00:00
Diego Biurrun
ba87f0801d Remove explicit filename from Doxygen @file commands. 
Passing an explicit filename to this command is only necessary if the
documentation in the @file block refers to a file different from the
one the block resides in.

Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-04-20 14:45:34 +00:00
Alex Converse
ca0f1e5092 IIR filter test program. 
Originally committed as revision 19443 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-16 22:17:20 +00:00
Alex Converse
c8ec2f1cb8 Mark iir filter init and free functions av_cold. 
Originally committed as revision 19398 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-10 20:55:15 +00:00
Alex Converse
47f49f98ca Fix "iirfilter.c:55: warning: unused variable ‘size’" 
Originally committed as revision 19397 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-10 20:51:22 +00:00
Alex Converse
e187d87d7d Eliminate use of complex.h from iirfilter.c 
Originally committed as revision 19396 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-10 20:45:13 +00:00
Måns Rullgård
181b336304 Fix declarations of complex numbers 
Complex numbers must be declared using a base type of float, double,
or long double.

Originally committed as revision 19390 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-09 10:16:00 +00:00
Diego Biurrun
bad5537e2c Use full internal pathname in doxygen @file directives. 
Otherwise doxygen complains about ambiguous filenames when files exist
under the same name in different subdirectories.

Originally committed as revision 16912 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-02-01 02:00:19 +00:00
Kostya Shishkov
a169f49881 Add generic IIR filter interface with Butterworth lowpass filter implementation 
and remove obsoleted old lowpass filter.

Originally committed as revision 15005 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-08-28 04:53:57 +00:00