FFmpeg

Commit Graph

Author	SHA1	Message	Date
Mans Rullgard	2912e87a6c	Replace FFmpeg with Libav in licence headers Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
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`)	14 years ago
Justin Ruggles	37cb3eb534	Add special case for 2nd-order IIR filter. 40% faster in ff_iir_filter_flt() when c->order == 2.	14 years ago
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`)	14 years ago
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`)	14 years ago
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>	14 years ago
Justin Ruggles	69915b48d6	iir: Change dst param to float* in ff_iir_filter_flt(). Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
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`)	14 years ago
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`)	14 years ago
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`)	14 years ago
Justin Ruggles	99c2111b12	cosmetics: vertical alignment and line wrap Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit `75b98610a7`)	14 years ago
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`)	14 years ago
Justin Ruggles	7891fdcc03	cosmetics: wrap long line Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit `ebb230279a`)	14 years ago
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`)	14 years ago
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`)	14 years ago
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>	14 years ago
Justin Ruggles	fcdf0a43cd	Add biquad high-pass and low-pass IIR filters. Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
Justin Ruggles	30112adadf	Split out Butterworth filter coeff init to a separate function. Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
Justin Ruggles	75b98610a7	cosmetics: vertical alignment and line wrap Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
Justin Ruggles	d42dc217ed	Add memory allocation failure checks to ff_iir_filter_init_coeffs(). Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
Justin Ruggles	ebb230279a	cosmetics: wrap long line Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
Justin Ruggles	0a3d7697b4	Add function ff_iir_filter_flt() to accept floating-point input and output. Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
Justin Ruggles	c3897d7690	Fix use of sstep/dstep in ff_iir_filter(). Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
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	15 years ago
Alex Converse	ca0f1e5092	IIR filter test program. Originally committed as revision 19443 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Alex Converse	c8ec2f1cb8	Mark iir filter init and free functions av_cold. Originally committed as revision 19398 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Alex Converse	47f49f98ca	Fix "iirfilter.c:55: warning: unused variable ‘size’" Originally committed as revision 19397 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Alex Converse	e187d87d7d	Eliminate use of complex.h from iirfilter.c Originally committed as revision 19396 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
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	16 years ago
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	16 years ago
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	16 years ago

19 Commits (b9553cf4b80d79c280ae7c989593ce1daac4cafa)