@ -83,7 +83,7 @@ enum FilterType {
enum WidthType {
NONE ,
HZ ,
HERT Z ,
OCTAVE ,
QFACTOR ,
SLOPE ,
@ -250,7 +250,7 @@ static int config_output(AVFilterLink *outlink)
case NONE :
alpha = 0.0 ;
break ;
case HZ :
case HERT Z :
alpha = sin ( w0 ) / ( 2 * p - > frequency / p - > width ) ;
break ;
case OCTAVE :
@ -470,8 +470,8 @@ AVFilter avfilter_af_##name_ = { \
static const AVOption equalizer_options [ ] = {
{ " frequency " , " set central frequency " , OFFSET ( frequency ) , AV_OPT_TYPE_DOUBLE , { . dbl = 0 } , 0 , 999999 , FLAGS } ,
{ " f " , " set central frequency " , OFFSET ( frequency ) , AV_OPT_TYPE_DOUBLE , { . dbl = 0 } , 0 , 999999 , FLAGS } ,
{ " width_type " , " set filter-width type " , OFFSET ( width_type ) , AV_OPT_TYPE_INT , { . i64 = QFACTOR } , HZ , SLOPE , FLAGS , " width_type " } ,
{ " h " , " Hz " , 0 , AV_OPT_TYPE_CONST , { . i64 = HZ } , 0 , 0 , FLAGS , " width_type " } ,
{ " width_type " , " set filter-width type " , OFFSET ( width_type ) , AV_OPT_TYPE_INT , { . i64 = QFACTOR } , HERT Z , SLOPE , FLAGS , " width_type " } ,
{ " h " , " Hz " , 0 , AV_OPT_TYPE_CONST , { . i64 = HERT Z } , 0 , 0 , FLAGS , " width_type " } ,
{ " q " , " Q-Factor " , 0 , AV_OPT_TYPE_CONST , { . i64 = QFACTOR } , 0 , 0 , FLAGS , " width_type " } ,
{ " o " , " octave " , 0 , AV_OPT_TYPE_CONST , { . i64 = OCTAVE } , 0 , 0 , FLAGS , " width_type " } ,
{ " s " , " slope " , 0 , AV_OPT_TYPE_CONST , { . i64 = SLOPE } , 0 , 0 , FLAGS , " width_type " } ,
@ -488,8 +488,8 @@ DEFINE_BIQUAD_FILTER(equalizer, "Apply two-pole peaking equalization (EQ) filter
static const AVOption bass_options [ ] = {
{ " frequency " , " set central frequency " , OFFSET ( frequency ) , AV_OPT_TYPE_DOUBLE , { . dbl = 100 } , 0 , 999999 , FLAGS } ,
{ " f " , " set central frequency " , OFFSET ( frequency ) , AV_OPT_TYPE_DOUBLE , { . dbl = 100 } , 0 , 999999 , FLAGS } ,
{ " width_type " , " set filter-width type " , OFFSET ( width_type ) , AV_OPT_TYPE_INT , { . i64 = QFACTOR } , HZ , SLOPE , FLAGS , " width_type " } ,
{ " h " , " Hz " , 0 , AV_OPT_TYPE_CONST , { . i64 = HZ } , 0 , 0 , FLAGS , " width_type " } ,
{ " width_type " , " set filter-width type " , OFFSET ( width_type ) , AV_OPT_TYPE_INT , { . i64 = QFACTOR } , HERT Z , SLOPE , FLAGS , " width_type " } ,
{ " h " , " Hz " , 0 , AV_OPT_TYPE_CONST , { . i64 = HERT Z } , 0 , 0 , FLAGS , " width_type " } ,
{ " q " , " Q-Factor " , 0 , AV_OPT_TYPE_CONST , { . i64 = QFACTOR } , 0 , 0 , FLAGS , " width_type " } ,
{ " o " , " octave " , 0 , AV_OPT_TYPE_CONST , { . i64 = OCTAVE } , 0 , 0 , FLAGS , " width_type " } ,
{ " s " , " slope " , 0 , AV_OPT_TYPE_CONST , { . i64 = SLOPE } , 0 , 0 , FLAGS , " width_type " } ,
@ -506,8 +506,8 @@ DEFINE_BIQUAD_FILTER(bass, "Boost or cut lower frequencies.");
static const AVOption treble_options [ ] = {
{ " frequency " , " set central frequency " , OFFSET ( frequency ) , AV_OPT_TYPE_DOUBLE , { . dbl = 3000 } , 0 , 999999 , FLAGS } ,
{ " f " , " set central frequency " , OFFSET ( frequency ) , AV_OPT_TYPE_DOUBLE , { . dbl = 3000 } , 0 , 999999 , FLAGS } ,
{ " width_type " , " set filter-width type " , OFFSET ( width_type ) , AV_OPT_TYPE_INT , { . i64 = QFACTOR } , HZ , SLOPE , FLAGS , " width_type " } ,
{ " h " , " Hz " , 0 , AV_OPT_TYPE_CONST , { . i64 = HZ } , 0 , 0 , FLAGS , " width_type " } ,
{ " width_type " , " set filter-width type " , OFFSET ( width_type ) , AV_OPT_TYPE_INT , { . i64 = QFACTOR } , HERT Z , SLOPE , FLAGS , " width_type " } ,
{ " h " , " Hz " , 0 , AV_OPT_TYPE_CONST , { . i64 = HERT Z } , 0 , 0 , FLAGS , " width_type " } ,
{ " q " , " Q-Factor " , 0 , AV_OPT_TYPE_CONST , { . i64 = QFACTOR } , 0 , 0 , FLAGS , " width_type " } ,
{ " o " , " octave " , 0 , AV_OPT_TYPE_CONST , { . i64 = OCTAVE } , 0 , 0 , FLAGS , " width_type " } ,
{ " s " , " slope " , 0 , AV_OPT_TYPE_CONST , { . i64 = SLOPE } , 0 , 0 , FLAGS , " width_type " } ,
@ -524,8 +524,8 @@ DEFINE_BIQUAD_FILTER(treble, "Boost or cut upper frequencies.");
static const AVOption bandpass_options [ ] = {
{ " frequency " , " set central frequency " , OFFSET ( frequency ) , AV_OPT_TYPE_DOUBLE , { . dbl = 3000 } , 0 , 999999 , FLAGS } ,
{ " f " , " set central frequency " , OFFSET ( frequency ) , AV_OPT_TYPE_DOUBLE , { . dbl = 3000 } , 0 , 999999 , FLAGS } ,
{ " width_type " , " set filter-width type " , OFFSET ( width_type ) , AV_OPT_TYPE_INT , { . i64 = QFACTOR } , HZ , SLOPE , FLAGS , " width_type " } ,
{ " h " , " Hz " , 0 , AV_OPT_TYPE_CONST , { . i64 = HZ } , 0 , 0 , FLAGS , " width_type " } ,
{ " width_type " , " set filter-width type " , OFFSET ( width_type ) , AV_OPT_TYPE_INT , { . i64 = QFACTOR } , HERT Z , SLOPE , FLAGS , " width_type " } ,
{ " h " , " Hz " , 0 , AV_OPT_TYPE_CONST , { . i64 = HERT Z } , 0 , 0 , FLAGS , " width_type " } ,
{ " q " , " Q-Factor " , 0 , AV_OPT_TYPE_CONST , { . i64 = QFACTOR } , 0 , 0 , FLAGS , " width_type " } ,
{ " o " , " octave " , 0 , AV_OPT_TYPE_CONST , { . i64 = OCTAVE } , 0 , 0 , FLAGS , " width_type " } ,
{ " s " , " slope " , 0 , AV_OPT_TYPE_CONST , { . i64 = SLOPE } , 0 , 0 , FLAGS , " width_type " } ,
@ -541,8 +541,8 @@ DEFINE_BIQUAD_FILTER(bandpass, "Apply a two-pole Butterworth band-pass filter.")
static const AVOption bandreject_options [ ] = {
{ " frequency " , " set central frequency " , OFFSET ( frequency ) , AV_OPT_TYPE_DOUBLE , { . dbl = 3000 } , 0 , 999999 , FLAGS } ,
{ " f " , " set central frequency " , OFFSET ( frequency ) , AV_OPT_TYPE_DOUBLE , { . dbl = 3000 } , 0 , 999999 , FLAGS } ,
{ " width_type " , " set filter-width type " , OFFSET ( width_type ) , AV_OPT_TYPE_INT , { . i64 = QFACTOR } , HZ , SLOPE , FLAGS , " width_type " } ,
{ " h " , " Hz " , 0 , AV_OPT_TYPE_CONST , { . i64 = HZ } , 0 , 0 , FLAGS , " width_type " } ,
{ " width_type " , " set filter-width type " , OFFSET ( width_type ) , AV_OPT_TYPE_INT , { . i64 = QFACTOR } , HERT Z , SLOPE , FLAGS , " width_type " } ,
{ " h " , " Hz " , 0 , AV_OPT_TYPE_CONST , { . i64 = HERT Z } , 0 , 0 , FLAGS , " width_type " } ,
{ " q " , " Q-Factor " , 0 , AV_OPT_TYPE_CONST , { . i64 = QFACTOR } , 0 , 0 , FLAGS , " width_type " } ,
{ " o " , " octave " , 0 , AV_OPT_TYPE_CONST , { . i64 = OCTAVE } , 0 , 0 , FLAGS , " width_type " } ,
{ " s " , " slope " , 0 , AV_OPT_TYPE_CONST , { . i64 = SLOPE } , 0 , 0 , FLAGS , " width_type " } ,
@ -557,8 +557,8 @@ DEFINE_BIQUAD_FILTER(bandreject, "Apply a two-pole Butterworth band-reject filte
static const AVOption lowpass_options [ ] = {
{ " frequency " , " set frequency " , OFFSET ( frequency ) , AV_OPT_TYPE_DOUBLE , { . dbl = 500 } , 0 , 999999 , FLAGS } ,
{ " f " , " set frequency " , OFFSET ( frequency ) , AV_OPT_TYPE_DOUBLE , { . dbl = 500 } , 0 , 999999 , FLAGS } ,
{ " width_type " , " set filter-width type " , OFFSET ( width_type ) , AV_OPT_TYPE_INT , { . i64 = QFACTOR } , HZ , SLOPE , FLAGS , " width_type " } ,
{ " h " , " Hz " , 0 , AV_OPT_TYPE_CONST , { . i64 = HZ } , 0 , 0 , FLAGS , " width_type " } ,
{ " width_type " , " set filter-width type " , OFFSET ( width_type ) , AV_OPT_TYPE_INT , { . i64 = QFACTOR } , HERT Z , SLOPE , FLAGS , " width_type " } ,
{ " h " , " Hz " , 0 , AV_OPT_TYPE_CONST , { . i64 = HERT Z } , 0 , 0 , FLAGS , " width_type " } ,
{ " q " , " Q-Factor " , 0 , AV_OPT_TYPE_CONST , { . i64 = QFACTOR } , 0 , 0 , FLAGS , " width_type " } ,
{ " o " , " octave " , 0 , AV_OPT_TYPE_CONST , { . i64 = OCTAVE } , 0 , 0 , FLAGS , " width_type " } ,
{ " s " , " slope " , 0 , AV_OPT_TYPE_CONST , { . i64 = SLOPE } , 0 , 0 , FLAGS , " width_type " } ,
@ -575,8 +575,8 @@ DEFINE_BIQUAD_FILTER(lowpass, "Apply a low-pass filter with 3dB point frequency.
static const AVOption highpass_options [ ] = {
{ " frequency " , " set frequency " , OFFSET ( frequency ) , AV_OPT_TYPE_DOUBLE , { . dbl = 3000 } , 0 , 999999 , FLAGS } ,
{ " f " , " set frequency " , OFFSET ( frequency ) , AV_OPT_TYPE_DOUBLE , { . dbl = 3000 } , 0 , 999999 , FLAGS } ,
{ " width_type " , " set filter-width type " , OFFSET ( width_type ) , AV_OPT_TYPE_INT , { . i64 = QFACTOR } , HZ , SLOPE , FLAGS , " width_type " } ,
{ " h " , " Hz " , 0 , AV_OPT_TYPE_CONST , { . i64 = HZ } , 0 , 0 , FLAGS , " width_type " } ,
{ " width_type " , " set filter-width type " , OFFSET ( width_type ) , AV_OPT_TYPE_INT , { . i64 = QFACTOR } , HERT Z , SLOPE , FLAGS , " width_type " } ,
{ " h " , " Hz " , 0 , AV_OPT_TYPE_CONST , { . i64 = HERT Z } , 0 , 0 , FLAGS , " width_type " } ,
{ " q " , " Q-Factor " , 0 , AV_OPT_TYPE_CONST , { . i64 = QFACTOR } , 0 , 0 , FLAGS , " width_type " } ,
{ " o " , " octave " , 0 , AV_OPT_TYPE_CONST , { . i64 = OCTAVE } , 0 , 0 , FLAGS , " width_type " } ,
{ " s " , " slope " , 0 , AV_OPT_TYPE_CONST , { . i64 = SLOPE } , 0 , 0 , FLAGS , " width_type " } ,
@ -593,8 +593,8 @@ DEFINE_BIQUAD_FILTER(highpass, "Apply a high-pass filter with 3dB point frequenc
static const AVOption allpass_options [ ] = {
{ " frequency " , " set central frequency " , OFFSET ( frequency ) , AV_OPT_TYPE_DOUBLE , { . dbl = 3000 } , 0 , 999999 , FLAGS } ,
{ " f " , " set central frequency " , OFFSET ( frequency ) , AV_OPT_TYPE_DOUBLE , { . dbl = 3000 } , 0 , 999999 , FLAGS } ,
{ " width_type " , " set filter-width type " , OFFSET ( width_type ) , AV_OPT_TYPE_INT , { . i64 = HZ } , HZ , SLOPE , FLAGS , " width_type " } ,
{ " h " , " Hz " , 0 , AV_OPT_TYPE_CONST , { . i64 = HZ } , 0 , 0 , FLAGS , " width_type " } ,
{ " width_type " , " set filter-width type " , OFFSET ( width_type ) , AV_OPT_TYPE_INT , { . i64 = HERT Z } , HERT Z , SLOPE , FLAGS , " width_type " } ,
{ " h " , " Hz " , 0 , AV_OPT_TYPE_CONST , { . i64 = HERT Z } , 0 , 0 , FLAGS , " width_type " } ,
{ " q " , " Q-Factor " , 0 , AV_OPT_TYPE_CONST , { . i64 = QFACTOR } , 0 , 0 , FLAGS , " width_type " } ,
{ " o " , " octave " , 0 , AV_OPT_TYPE_CONST , { . i64 = OCTAVE } , 0 , 0 , FLAGS , " width_type " } ,
{ " s " , " slope " , 0 , AV_OPT_TYPE_CONST , { . i64 = SLOPE } , 0 , 0 , FLAGS , " width_type " } ,