X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavfilter%2Faf_biquads.c;h=c477906f87d3638693e0ee2704c89dff1cb20da7;hb=a04ad248a05e7b613abe09b3bb067f555108d794;hp=a2f7e3f0610392a84f635e5a52375f09fb72e7c5;hpb=f46b04c4c32849a789a5aadc27fff3c3c60fc596;p=ffmpeg diff --git a/libavfilter/af_biquads.c b/libavfilter/af_biquads.c index a2f7e3f0610..c477906f87d 100644 --- a/libavfilter/af_biquads.c +++ b/libavfilter/af_biquads.c @@ -93,6 +93,14 @@ enum WidthType { NB_WTYPE, }; +enum TransformType { + DI, + DII, + TDII, + LATT, + NB_TTYPE, +}; + typedef struct ChanCache { double i1, i2; double o1, o2; @@ -106,6 +114,10 @@ typedef struct BiquadsContext { int width_type; int poles; int csg; + int transform_type; + int precision; + + int bypass; double gain; double frequency; @@ -113,10 +125,14 @@ typedef struct BiquadsContext { double mix; uint64_t channels; int normalize; + int order; double a0, a1, a2; double b0, b1, b2; + double oa0, oa1, oa2; + double ob0, ob1, ob2; + ChanCache *cache; int block_align; @@ -126,32 +142,22 @@ typedef struct BiquadsContext { int disabled); } BiquadsContext; -static av_cold int init(AVFilterContext *ctx) -{ - BiquadsContext *s = ctx->priv; - - if (s->filter_type != biquad) { - if (s->frequency <= 0 || s->width <= 0) { - av_log(ctx, AV_LOG_ERROR, "Invalid frequency %f and/or width %f <= 0\n", - s->frequency, s->width); - return AVERROR(EINVAL); - } - } - - return 0; -} - static int query_formats(AVFilterContext *ctx) { + BiquadsContext *s = ctx->priv; AVFilterFormats *formats; AVFilterChannelLayouts *layouts; - static const enum AVSampleFormat sample_fmts[] = { + static const enum AVSampleFormat auto_sample_fmts[] = { AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S32P, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_DBLP, AV_SAMPLE_FMT_NONE }; + enum AVSampleFormat sample_fmts[] = { + AV_SAMPLE_FMT_S16P, + AV_SAMPLE_FMT_NONE + }; int ret; layouts = ff_all_channel_counts(); @@ -161,7 +167,27 @@ static int query_formats(AVFilterContext *ctx) if (ret < 0) return ret; - formats = ff_make_format_list(sample_fmts); + switch (s->precision) { + case 0: + sample_fmts[0] = AV_SAMPLE_FMT_S16P; + formats = ff_make_format_list(sample_fmts); + break; + case 1: + sample_fmts[0] = AV_SAMPLE_FMT_S32P; + formats = ff_make_format_list(sample_fmts); + break; + case 2: + sample_fmts[0] = AV_SAMPLE_FMT_FLTP; + formats = ff_make_format_list(sample_fmts); + break; + case 3: + sample_fmts[0] = AV_SAMPLE_FMT_DBLP; + formats = ff_make_format_list(sample_fmts); + break; + default: + formats = ff_make_format_list(auto_sample_fmts); + break; + } if (!formats) return AVERROR(ENOMEM); ret = ff_set_common_formats(ctx, formats); @@ -257,6 +283,173 @@ BIQUAD_FILTER(s32, int32_t, INT32_MIN, INT32_MAX, 1) BIQUAD_FILTER(flt, float, -1., 1., 0) BIQUAD_FILTER(dbl, double, -1., 1., 0) +#define BIQUAD_DII_FILTER(name, type, min, max, need_clipping) \ +static void biquad_dii_## name (BiquadsContext *s, \ + const void *input, void *output, int len, \ + double *z1, double *z2, \ + double *unused1, double *unused2, \ + double b0, double b1, double b2, \ + double a1, double a2, int *clippings, \ + int disabled) \ +{ \ + const type *ibuf = input; \ + type *obuf = output; \ + double w1 = *z1; \ + double w2 = *z2; \ + double wet = s->mix; \ + double dry = 1. - wet; \ + double in, out, w0; \ + \ + a1 = -a1; \ + a2 = -a2; \ + \ + for (int i = 0; i < len; i++) { \ + in = ibuf[i]; \ + w0 = in + a1 * w1 + a2 * w2; \ + out = b0 * w0 + b1 * w1 + b2 * w2; \ + w2 = w1; \ + w1 = w0; \ + out = out * wet + in * dry; \ + if (disabled) { \ + obuf[i] = in; \ + } else if (need_clipping && out < min) { \ + (*clippings)++; \ + obuf[i] = min; \ + } else if (need_clipping && out > max) { \ + (*clippings)++; \ + obuf[i] = max; \ + } else { \ + obuf[i] = out; \ + } \ + } \ + *z1 = w1; \ + *z2 = w2; \ +} + +BIQUAD_DII_FILTER(s16, int16_t, INT16_MIN, INT16_MAX, 1) +BIQUAD_DII_FILTER(s32, int32_t, INT32_MIN, INT32_MAX, 1) +BIQUAD_DII_FILTER(flt, float, -1., 1., 0) +BIQUAD_DII_FILTER(dbl, double, -1., 1., 0) + +#define BIQUAD_TDII_FILTER(name, type, min, max, need_clipping) \ +static void biquad_tdii_## name (BiquadsContext *s, \ + const void *input, void *output, int len, \ + double *z1, double *z2, \ + double *unused1, double *unused2, \ + double b0, double b1, double b2, \ + double a1, double a2, int *clippings, \ + int disabled) \ +{ \ + const type *ibuf = input; \ + type *obuf = output; \ + double w1 = *z1; \ + double w2 = *z2; \ + double wet = s->mix; \ + double dry = 1. - wet; \ + double in, out; \ + \ + a1 = -a1; \ + a2 = -a2; \ + \ + for (int i = 0; i < len; i++) { \ + in = ibuf[i]; \ + out = b0 * in + w1; \ + w1 = b1 * in + w2 + a1 * out; \ + w2 = b2 * in + a2 * out; \ + out = out * wet + in * dry; \ + if (disabled) { \ + obuf[i] = in; \ + } else if (need_clipping && out < min) { \ + (*clippings)++; \ + obuf[i] = min; \ + } else if (need_clipping && out > max) { \ + (*clippings)++; \ + obuf[i] = max; \ + } else { \ + obuf[i] = out; \ + } \ + } \ + *z1 = w1; \ + *z2 = w2; \ +} + +BIQUAD_TDII_FILTER(s16, int16_t, INT16_MIN, INT16_MAX, 1) +BIQUAD_TDII_FILTER(s32, int32_t, INT32_MIN, INT32_MAX, 1) +BIQUAD_TDII_FILTER(flt, float, -1., 1., 0) +BIQUAD_TDII_FILTER(dbl, double, -1., 1., 0) + +#define BIQUAD_LATT_FILTER(name, type, min, max, need_clipping) \ +static void biquad_latt_## name (BiquadsContext *s, \ + const void *input, void *output, int len, \ + double *z1, double *z2, \ + double *unused1, double *unused2, \ + double v0, double v1, double v2, \ + double k0, double k1, int *clippings, \ + int disabled) \ +{ \ + const type *ibuf = input; \ + type *obuf = output; \ + double s0 = *z1; \ + double s1 = *z2; \ + double wet = s->mix; \ + double dry = 1. - wet; \ + double in, out; \ + double t0, t1; \ + \ + for (int i = 0; i < len; i++) { \ + out = 0.; \ + in = ibuf[i]; \ + t0 = in - k1 * s0; \ + t1 = t0 * k1 + s0; \ + out += t1 * v2; \ + \ + t0 = t0 - k0 * s1; \ + t1 = t0 * k0 + s1; \ + out += t1 * v1; \ + \ + out += t0 * v0; \ + s0 = t1; \ + s1 = t0; \ + \ + out = out * wet + in * dry; \ + if (disabled) { \ + obuf[i] = in; \ + } else if (need_clipping && out < min) { \ + (*clippings)++; \ + obuf[i] = min; \ + } else if (need_clipping && out > max) { \ + (*clippings)++; \ + obuf[i] = max; \ + } else { \ + obuf[i] = out; \ + } \ + } \ + *z1 = s0; \ + *z2 = s1; \ +} + +BIQUAD_LATT_FILTER(s16, int16_t, INT16_MIN, INT16_MAX, 1) +BIQUAD_LATT_FILTER(s32, int32_t, INT32_MIN, INT32_MAX, 1) +BIQUAD_LATT_FILTER(flt, float, -1., 1., 0) +BIQUAD_LATT_FILTER(dbl, double, -1., 1., 0) + +static void convert_dir2latt(BiquadsContext *s) +{ + double k0, k1, v0, v1, v2; + + k1 = s->a2; + k0 = s->a1 / (1. + k1); + v2 = s->b2; + v1 = s->b1 - v2 * s->a1; + v0 = s->b0 - v1 * k0 - v2 * k1; + + s->a1 = k0; + s->a2 = k1; + s->b0 = v0; + s->b1 = v1; + s->b2 = v2; +} + static int config_filter(AVFilterLink *outlink, int reset) { AVFilterContext *ctx = outlink->src; @@ -264,15 +457,18 @@ static int config_filter(AVFilterLink *outlink, int reset) AVFilterLink *inlink = ctx->inputs[0]; double A = ff_exp10(s->gain / 40); double w0 = 2 * M_PI * s->frequency / inlink->sample_rate; + double K = tan(w0 / 2.); double alpha, beta; - if (w0 > M_PI) { - av_log(ctx, AV_LOG_ERROR, - "Invalid frequency %f. Frequency must be less than half the sample-rate %d.\n", - s->frequency, inlink->sample_rate); - return AVERROR(EINVAL); + s->bypass = (((w0 > M_PI || w0 <= 0.) && reset) || (s->width <= 0.)) && (s->filter_type != biquad); + if (s->bypass) { + av_log(ctx, AV_LOG_WARNING, "Invalid frequency and/or width!\n"); + return 0; } + if ((w0 > M_PI || w0 <= 0.) && (s->filter_type != biquad)) + return AVERROR(EINVAL); + switch (s->width_type) { case NONE: alpha = 0.0; @@ -300,6 +496,12 @@ static int config_filter(AVFilterLink *outlink, int reset) switch (s->filter_type) { case biquad: + s->a0 = s->oa0; + s->a1 = s->oa1; + s->a2 = s->oa2; + s->b0 = s->ob0; + s->b1 = s->ob1; + s->b2 = s->ob2; break; case equalizer: s->a0 = 1 + alpha / A; @@ -312,22 +514,54 @@ static int config_filter(AVFilterLink *outlink, int reset) case bass: beta = sqrt((A * A + 1) - (A - 1) * (A - 1)); case lowshelf: - s->a0 = (A + 1) + (A - 1) * cos(w0) + beta * alpha; - s->a1 = -2 * ((A - 1) + (A + 1) * cos(w0)); - s->a2 = (A + 1) + (A - 1) * cos(w0) - beta * alpha; - s->b0 = A * ((A + 1) - (A - 1) * cos(w0) + beta * alpha); - s->b1 = 2 * A * ((A - 1) - (A + 1) * cos(w0)); - s->b2 = A * ((A + 1) - (A - 1) * cos(w0) - beta * alpha); + if (s->poles == 1) { + double A = ff_exp10(s->gain / 20); + double ro = -sin(w0 / 2. - M_PI_4) / sin(w0 / 2. + M_PI_4); + double n = (A + 1) / (A - 1); + double alpha1 = A == 1. ? 0. : n - FFSIGN(n) * sqrt(n * n - 1); + double beta0 = ((1 + A) + (1 - A) * alpha1) * 0.5; + double beta1 = ((1 - A) + (1 + A) * alpha1) * 0.5; + + s->a0 = 1 + ro * alpha1; + s->a1 = -ro - alpha1; + s->a2 = 0; + s->b0 = beta0 + ro * beta1; + s->b1 = -beta1 - ro * beta0; + s->b2 = 0; + } else { + s->a0 = (A + 1) + (A - 1) * cos(w0) + beta * alpha; + s->a1 = -2 * ((A - 1) + (A + 1) * cos(w0)); + s->a2 = (A + 1) + (A - 1) * cos(w0) - beta * alpha; + s->b0 = A * ((A + 1) - (A - 1) * cos(w0) + beta * alpha); + s->b1 = 2 * A * ((A - 1) - (A + 1) * cos(w0)); + s->b2 = A * ((A + 1) - (A - 1) * cos(w0) - beta * alpha); + } break; case treble: beta = sqrt((A * A + 1) - (A - 1) * (A - 1)); case highshelf: - s->a0 = (A + 1) - (A - 1) * cos(w0) + beta * alpha; - s->a1 = 2 * ((A - 1) - (A + 1) * cos(w0)); - s->a2 = (A + 1) - (A - 1) * cos(w0) - beta * alpha; - s->b0 = A * ((A + 1) + (A - 1) * cos(w0) + beta * alpha); - s->b1 =-2 * A * ((A - 1) + (A + 1) * cos(w0)); - s->b2 = A * ((A + 1) + (A - 1) * cos(w0) - beta * alpha); + if (s->poles == 1) { + double A = ff_exp10(s->gain / 20); + double ro = sin(w0 / 2. - M_PI_4) / sin(w0 / 2. + M_PI_4); + double n = (A + 1) / (A - 1); + double alpha1 = A == 1. ? 0. : n - FFSIGN(n) * sqrt(n * n - 1); + double beta0 = ((1 + A) + (1 - A) * alpha1) * 0.5; + double beta1 = ((1 - A) + (1 + A) * alpha1) * 0.5; + + s->a0 = 1 + ro * alpha1; + s->a1 = ro + alpha1; + s->a2 = 0; + s->b0 = beta0 + ro * beta1; + s->b1 = beta1 + ro * beta0; + s->b2 = 0; + } else { + s->a0 = (A + 1) - (A - 1) * cos(w0) + beta * alpha; + s->a1 = 2 * ((A - 1) - (A + 1) * cos(w0)); + s->a2 = (A + 1) - (A - 1) * cos(w0) - beta * alpha; + s->b0 = A * ((A + 1) + (A - 1) * cos(w0) + beta * alpha); + s->b1 =-2 * A * ((A - 1) + (A + 1) * cos(w0)); + s->b2 = A * ((A + 1) + (A - 1) * cos(w0) - beta * alpha); + } break; case bandpass: if (s->csg) { @@ -389,12 +623,24 @@ static int config_filter(AVFilterLink *outlink, int reset) } break; case allpass: - s->a0 = 1 + alpha; - s->a1 = -2 * cos(w0); - s->a2 = 1 - alpha; - s->b0 = 1 - alpha; - s->b1 = -2 * cos(w0); - s->b2 = 1 + alpha; + switch (s->order) { + case 1: + s->a0 = 1.; + s->a1 = -(1. - K) / (1. + K); + s->a2 = 0.; + s->b0 = s->a1; + s->b1 = s->a0; + s->b2 = 0.; + break; + case 2: + s->a0 = 1 + alpha; + s->a1 = -2 * cos(w0); + s->a2 = 1 - alpha; + s->b0 = 1 - alpha; + s->b1 = -2 * cos(w0); + s->b2 = 1 + alpha; + break; + } break; default: av_assert0(0); @@ -423,15 +669,83 @@ static int config_filter(AVFilterLink *outlink, int reset) if (reset) memset(s->cache, 0, sizeof(ChanCache) * inlink->channels); - switch (inlink->format) { - case AV_SAMPLE_FMT_S16P: s->filter = biquad_s16; break; - case AV_SAMPLE_FMT_S32P: s->filter = biquad_s32; break; - case AV_SAMPLE_FMT_FLTP: s->filter = biquad_flt; break; - case AV_SAMPLE_FMT_DBLP: s->filter = biquad_dbl; break; - default: av_assert0(0); - } + switch (s->transform_type) { + case DI: + switch (inlink->format) { + case AV_SAMPLE_FMT_S16P: + s->filter = biquad_s16; + break; + case AV_SAMPLE_FMT_S32P: + s->filter = biquad_s32; + break; + case AV_SAMPLE_FMT_FLTP: + s->filter = biquad_flt; + break; + case AV_SAMPLE_FMT_DBLP: + s->filter = biquad_dbl; + break; + default: av_assert0(0); + } + break; + case DII: + switch (inlink->format) { + case AV_SAMPLE_FMT_S16P: + s->filter = biquad_dii_s16; + break; + case AV_SAMPLE_FMT_S32P: + s->filter = biquad_dii_s32; + break; + case AV_SAMPLE_FMT_FLTP: + s->filter = biquad_dii_flt; + break; + case AV_SAMPLE_FMT_DBLP: + s->filter = biquad_dii_dbl; + break; + default: av_assert0(0); + } + break; + case TDII: + switch (inlink->format) { + case AV_SAMPLE_FMT_S16P: + s->filter = biquad_tdii_s16; + break; + case AV_SAMPLE_FMT_S32P: + s->filter = biquad_tdii_s32; + break; + case AV_SAMPLE_FMT_FLTP: + s->filter = biquad_tdii_flt; + break; + case AV_SAMPLE_FMT_DBLP: + s->filter = biquad_tdii_dbl; + break; + default: av_assert0(0); + } + break; + case LATT: + switch (inlink->format) { + case AV_SAMPLE_FMT_S16P: + s->filter = biquad_latt_s16; + break; + case AV_SAMPLE_FMT_S32P: + s->filter = biquad_latt_s32; + break; + case AV_SAMPLE_FMT_FLTP: + s->filter = biquad_latt_flt; + break; + case AV_SAMPLE_FMT_DBLP: + s->filter = biquad_latt_dbl; + break; + default: av_assert0(0); + } + break; + default: + av_assert0(0); + } + + s->block_align = av_get_bytes_per_sample(inlink->format); - s->block_align = av_get_bytes_per_sample(inlink->format); + if (s->transform_type == LATT) + convert_dir2latt(s); return 0; } @@ -481,6 +795,9 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *buf) ThreadData td; int ch; + if (s->bypass) + return ff_filter_frame(outlink, buf); + if (av_frame_is_writable(buf)) { out_buf = buf; } else { @@ -553,15 +870,14 @@ static const AVFilterPad outputs[] = { #define DEFINE_BIQUAD_FILTER(name_, description_) \ AVFILTER_DEFINE_CLASS(name_); \ -static av_cold int name_##_init(AVFilterContext *ctx) \ +static av_cold int name_##_init(AVFilterContext *ctx) \ { \ BiquadsContext *s = ctx->priv; \ - s->class = &name_##_class; \ s->filter_type = name_; \ - return init(ctx); \ + return 0; \ } \ \ -AVFilter ff_af_##name_ = { \ +const AVFilter ff_af_##name_ = { \ .name = #name_, \ .description = NULL_IF_CONFIG_SMALL(description_), \ .priv_size = sizeof(BiquadsContext), \ @@ -596,13 +912,26 @@ static const AVOption equalizer_options[] = { {"c", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS}, {"normalize", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, {"n", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, + {"transform", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"a", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"di", "direct form I", 0, AV_OPT_TYPE_CONST, {.i64=DI}, 0, 0, AF, "transform_type"}, + {"dii", "direct form II", 0, AV_OPT_TYPE_CONST, {.i64=DII}, 0, 0, AF, "transform_type"}, + {"tdii", "transposed direct form II", 0, AV_OPT_TYPE_CONST, {.i64=TDII}, 0, 0, AF, "transform_type"}, + {"latt", "lattice-ladder form", 0, AV_OPT_TYPE_CONST, {.i64=LATT}, 0, 0, AF, "transform_type"}, + {"precision", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"r", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"auto", "automatic", 0, AV_OPT_TYPE_CONST, {.i64=-1}, 0, 0, AF, "precision"}, + {"s16", "signed 16-bit", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, AF, "precision"}, + {"s32", "signed 32-bit", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, AF, "precision"}, + {"f32", "floating-point single", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, AF, "precision"}, + {"f64", "floating-point double", 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, AF, "precision"}, {NULL} }; DEFINE_BIQUAD_FILTER(equalizer, "Apply two-pole peaking equalization (EQ) filter."); #endif /* CONFIG_EQUALIZER_FILTER */ -#if CONFIG_BASS_FILTER -static const AVOption bass_options[] = { +#if CONFIG_BASS_FILTER || CONFIG_LOWSHELF_FILTER +static const AVOption bass_lowshelf_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}, HERTZ, NB_WTYPE-1, FLAGS, "width_type"}, @@ -616,19 +945,42 @@ static const AVOption bass_options[] = { {"w", "set shelf transition steep", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.5}, 0, 99999, FLAGS}, {"gain", "set gain", OFFSET(gain), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -900, 900, FLAGS}, {"g", "set gain", OFFSET(gain), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -900, 900, FLAGS}, + {"poles", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, AF}, + {"p", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, AF}, {"mix", "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS}, {"m", "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS}, {"channels", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS}, {"c", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS}, {"normalize", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, {"n", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, + {"transform", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"a", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"di", "direct form I", 0, AV_OPT_TYPE_CONST, {.i64=DI}, 0, 0, AF, "transform_type"}, + {"dii", "direct form II", 0, AV_OPT_TYPE_CONST, {.i64=DII}, 0, 0, AF, "transform_type"}, + {"tdii", "transposed direct form II", 0, AV_OPT_TYPE_CONST, {.i64=TDII}, 0, 0, AF, "transform_type"}, + {"latt", "lattice-ladder form", 0, AV_OPT_TYPE_CONST, {.i64=LATT}, 0, 0, AF, "transform_type"}, + {"precision", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"r", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"auto", "automatic", 0, AV_OPT_TYPE_CONST, {.i64=-1}, 0, 0, AF, "precision"}, + {"s16", "signed 16-bit", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, AF, "precision"}, + {"s32", "signed 32-bit", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, AF, "precision"}, + {"f32", "floating-point single", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, AF, "precision"}, + {"f64", "floating-point double", 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, AF, "precision"}, {NULL} }; +#if CONFIG_BASS_FILTER +#define bass_options bass_lowshelf_options DEFINE_BIQUAD_FILTER(bass, "Boost or cut lower frequencies."); #endif /* CONFIG_BASS_FILTER */ -#if CONFIG_TREBLE_FILTER -static const AVOption treble_options[] = { + +#if CONFIG_LOWSHELF_FILTER +#define lowshelf_options bass_lowshelf_options +DEFINE_BIQUAD_FILTER(lowshelf, "Apply a low shelf filter."); +#endif /* CONFIG_LOWSHELF_FILTER */ +#endif /* CONFIG_BASS_FILTER || CONFIG LOWSHELF_FILTER */ +#if CONFIG_TREBLE_FILTER || CONFIG_HIGHSHELF_FILTER +static const AVOption treble_highshelf_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}, HERTZ, NB_WTYPE-1, FLAGS, "width_type"}, @@ -642,17 +994,40 @@ static const AVOption treble_options[] = { {"w", "set shelf transition steep", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.5}, 0, 99999, FLAGS}, {"gain", "set gain", OFFSET(gain), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -900, 900, FLAGS}, {"g", "set gain", OFFSET(gain), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -900, 900, FLAGS}, + {"poles", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, AF}, + {"p", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, AF}, {"mix", "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS}, {"m", "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS}, {"channels", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS}, {"c", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS}, {"normalize", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, {"n", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, + {"transform", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"a", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"di", "direct form I", 0, AV_OPT_TYPE_CONST, {.i64=DI}, 0, 0, AF, "transform_type"}, + {"dii", "direct form II", 0, AV_OPT_TYPE_CONST, {.i64=DII}, 0, 0, AF, "transform_type"}, + {"tdii", "transposed direct form II", 0, AV_OPT_TYPE_CONST, {.i64=TDII}, 0, 0, AF, "transform_type"}, + {"latt", "lattice-ladder form", 0, AV_OPT_TYPE_CONST, {.i64=LATT}, 0, 0, AF, "transform_type"}, + {"precision", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"r", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"auto", "automatic", 0, AV_OPT_TYPE_CONST, {.i64=-1}, 0, 0, AF, "precision"}, + {"s16", "signed 16-bit", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, AF, "precision"}, + {"s32", "signed 32-bit", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, AF, "precision"}, + {"f32", "floating-point single", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, AF, "precision"}, + {"f64", "floating-point double", 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, AF, "precision"}, {NULL} }; +#if CONFIG_TREBLE_FILTER +#define treble_options treble_highshelf_options DEFINE_BIQUAD_FILTER(treble, "Boost or cut upper frequencies."); #endif /* CONFIG_TREBLE_FILTER */ + +#if CONFIG_HIGHSHELF_FILTER +#define highshelf_options treble_highshelf_options +DEFINE_BIQUAD_FILTER(highshelf, "Apply a high shelf filter."); +#endif /* CONFIG_HIGHSHELF_FILTER */ +#endif /* CONFIG_TREBLE_FILTER || CONFIG_HIGHSHELF_FILTER */ #if CONFIG_BANDPASS_FILTER static const AVOption bandpass_options[] = { {"frequency", "set central frequency", OFFSET(frequency), AV_OPT_TYPE_DOUBLE, {.dbl=3000}, 0, 999999, FLAGS}, @@ -673,6 +1048,19 @@ static const AVOption bandpass_options[] = { {"c", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS}, {"normalize", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, {"n", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, + {"transform", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"a", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"di", "direct form I", 0, AV_OPT_TYPE_CONST, {.i64=DI}, 0, 0, AF, "transform_type"}, + {"dii", "direct form II", 0, AV_OPT_TYPE_CONST, {.i64=DII}, 0, 0, AF, "transform_type"}, + {"tdii", "transposed direct form II", 0, AV_OPT_TYPE_CONST, {.i64=TDII}, 0, 0, AF, "transform_type"}, + {"latt", "lattice-ladder form", 0, AV_OPT_TYPE_CONST, {.i64=LATT}, 0, 0, AF, "transform_type"}, + {"precision", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"r", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"auto", "automatic", 0, AV_OPT_TYPE_CONST, {.i64=-1}, 0, 0, AF, "precision"}, + {"s16", "signed 16-bit", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, AF, "precision"}, + {"s32", "signed 32-bit", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, AF, "precision"}, + {"f32", "floating-point single", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, AF, "precision"}, + {"f64", "floating-point double", 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, AF, "precision"}, {NULL} }; @@ -697,6 +1085,19 @@ static const AVOption bandreject_options[] = { {"c", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS}, {"normalize", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, {"n", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, + {"transform", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"a", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"di", "direct form I", 0, AV_OPT_TYPE_CONST, {.i64=DI}, 0, 0, AF, "transform_type"}, + {"dii", "direct form II", 0, AV_OPT_TYPE_CONST, {.i64=DII}, 0, 0, AF, "transform_type"}, + {"tdii", "transposed direct form II", 0, AV_OPT_TYPE_CONST, {.i64=TDII}, 0, 0, AF, "transform_type"}, + {"latt", "lattice-ladder form", 0, AV_OPT_TYPE_CONST, {.i64=LATT}, 0, 0, AF, "transform_type"}, + {"precision", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"r", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"auto", "automatic", 0, AV_OPT_TYPE_CONST, {.i64=-1}, 0, 0, AF, "precision"}, + {"s16", "signed 16-bit", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, AF, "precision"}, + {"s32", "signed 32-bit", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, AF, "precision"}, + {"f32", "floating-point single", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, AF, "precision"}, + {"f64", "floating-point double", 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, AF, "precision"}, {NULL} }; @@ -723,6 +1124,19 @@ static const AVOption lowpass_options[] = { {"c", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS}, {"normalize", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, {"n", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, + {"transform", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"a", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"di", "direct form I", 0, AV_OPT_TYPE_CONST, {.i64=DI}, 0, 0, AF, "transform_type"}, + {"dii", "direct form II", 0, AV_OPT_TYPE_CONST, {.i64=DII}, 0, 0, AF, "transform_type"}, + {"tdii", "transposed direct form II", 0, AV_OPT_TYPE_CONST, {.i64=TDII}, 0, 0, AF, "transform_type"}, + {"latt", "lattice-ladder form", 0, AV_OPT_TYPE_CONST, {.i64=LATT}, 0, 0, AF, "transform_type"}, + {"precision", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"r", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"auto", "automatic", 0, AV_OPT_TYPE_CONST, {.i64=-1}, 0, 0, AF, "precision"}, + {"s16", "signed 16-bit", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, AF, "precision"}, + {"s32", "signed 32-bit", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, AF, "precision"}, + {"f32", "floating-point single", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, AF, "precision"}, + {"f64", "floating-point double", 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, AF, "precision"}, {NULL} }; @@ -749,6 +1163,19 @@ static const AVOption highpass_options[] = { {"c", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS}, {"normalize", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, {"n", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, + {"transform", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"a", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"di", "direct form I", 0, AV_OPT_TYPE_CONST, {.i64=DI}, 0, 0, AF, "transform_type"}, + {"dii", "direct form II", 0, AV_OPT_TYPE_CONST, {.i64=DII}, 0, 0, AF, "transform_type"}, + {"tdii", "transposed direct form II", 0, AV_OPT_TYPE_CONST, {.i64=TDII}, 0, 0, AF, "transform_type"}, + {"latt", "lattice-ladder form", 0, AV_OPT_TYPE_CONST, {.i64=LATT}, 0, 0, AF, "transform_type"}, + {"precision", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"r", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"auto", "automatic", 0, AV_OPT_TYPE_CONST, {.i64=-1}, 0, 0, AF, "precision"}, + {"s16", "signed 16-bit", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, AF, "precision"}, + {"s32", "signed 32-bit", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, AF, "precision"}, + {"f32", "floating-point single", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, AF, "precision"}, + {"f64", "floating-point double", 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, AF, "precision"}, {NULL} }; @@ -773,77 +1200,53 @@ static const AVOption allpass_options[] = { {"c", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS}, {"normalize", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, {"n", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, + {"order", "set filter order", OFFSET(order), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, FLAGS}, + {"o", "set filter order", OFFSET(order), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, FLAGS}, + {"transform", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"a", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"di", "direct form I", 0, AV_OPT_TYPE_CONST, {.i64=DI}, 0, 0, AF, "transform_type"}, + {"dii", "direct form II", 0, AV_OPT_TYPE_CONST, {.i64=DII}, 0, 0, AF, "transform_type"}, + {"tdii", "transposed direct form II", 0, AV_OPT_TYPE_CONST, {.i64=TDII}, 0, 0, AF, "transform_type"}, + {"latt", "lattice-ladder form", 0, AV_OPT_TYPE_CONST, {.i64=LATT}, 0, 0, AF, "transform_type"}, + {"precision", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"r", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"auto", "automatic", 0, AV_OPT_TYPE_CONST, {.i64=-1}, 0, 0, AF, "precision"}, + {"s16", "signed 16-bit", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, AF, "precision"}, + {"s32", "signed 32-bit", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, AF, "precision"}, + {"f32", "floating-point single", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, AF, "precision"}, + {"f64", "floating-point double", 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, AF, "precision"}, {NULL} }; DEFINE_BIQUAD_FILTER(allpass, "Apply a two-pole all-pass filter."); #endif /* CONFIG_ALLPASS_FILTER */ -#if CONFIG_LOWSHELF_FILTER -static const AVOption lowshelf_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}, HERTZ, NB_WTYPE-1, FLAGS, "width_type"}, - {"t", "set filter-width type", OFFSET(width_type), AV_OPT_TYPE_INT, {.i64=QFACTOR}, HERTZ, NB_WTYPE-1, FLAGS, "width_type"}, - {"h", "Hz", 0, AV_OPT_TYPE_CONST, {.i64=HERTZ}, 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"}, - {"k", "kHz", 0, AV_OPT_TYPE_CONST, {.i64=KHERTZ}, 0, 0, FLAGS, "width_type"}, - {"width", "set shelf transition steep", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.5}, 0, 99999, FLAGS}, - {"w", "set shelf transition steep", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.5}, 0, 99999, FLAGS}, - {"gain", "set gain", OFFSET(gain), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -900, 900, FLAGS}, - {"g", "set gain", OFFSET(gain), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -900, 900, FLAGS}, - {"mix", "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS}, - {"m", "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS}, - {"channels", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS}, - {"c", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS}, - {"normalize", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, - {"n", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, - {NULL} -}; - -DEFINE_BIQUAD_FILTER(lowshelf, "Apply a low shelf filter."); -#endif /* CONFIG_LOWSHELF_FILTER */ -#if CONFIG_HIGHSHELF_FILTER -static const AVOption highshelf_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}, HERTZ, NB_WTYPE-1, FLAGS, "width_type"}, - {"t", "set filter-width type", OFFSET(width_type), AV_OPT_TYPE_INT, {.i64=QFACTOR}, HERTZ, NB_WTYPE-1, FLAGS, "width_type"}, - {"h", "Hz", 0, AV_OPT_TYPE_CONST, {.i64=HERTZ}, 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"}, - {"k", "kHz", 0, AV_OPT_TYPE_CONST, {.i64=KHERTZ}, 0, 0, FLAGS, "width_type"}, - {"width", "set shelf transition steep", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.5}, 0, 99999, FLAGS}, - {"w", "set shelf transition steep", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.5}, 0, 99999, FLAGS}, - {"gain", "set gain", OFFSET(gain), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -900, 900, FLAGS}, - {"g", "set gain", OFFSET(gain), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -900, 900, FLAGS}, - {"mix", "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS}, - {"m", "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS}, - {"channels", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS}, - {"c", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS}, - {"normalize", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, - {"n", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, - {NULL} -}; - -DEFINE_BIQUAD_FILTER(highshelf, "Apply a high shelf filter."); -#endif /* CONFIG_HIGHSHELF_FILTER */ #if CONFIG_BIQUAD_FILTER static const AVOption biquad_options[] = { - {"a0", NULL, OFFSET(a0), AV_OPT_TYPE_DOUBLE, {.dbl=1}, INT32_MIN, INT32_MAX, FLAGS}, - {"a1", NULL, OFFSET(a1), AV_OPT_TYPE_DOUBLE, {.dbl=0}, INT32_MIN, INT32_MAX, FLAGS}, - {"a2", NULL, OFFSET(a2), AV_OPT_TYPE_DOUBLE, {.dbl=0}, INT32_MIN, INT32_MAX, FLAGS}, - {"b0", NULL, OFFSET(b0), AV_OPT_TYPE_DOUBLE, {.dbl=0}, INT32_MIN, INT32_MAX, FLAGS}, - {"b1", NULL, OFFSET(b1), AV_OPT_TYPE_DOUBLE, {.dbl=0}, INT32_MIN, INT32_MAX, FLAGS}, - {"b2", NULL, OFFSET(b2), AV_OPT_TYPE_DOUBLE, {.dbl=0}, INT32_MIN, INT32_MAX, FLAGS}, + {"a0", NULL, OFFSET(oa0), AV_OPT_TYPE_DOUBLE, {.dbl=1}, INT32_MIN, INT32_MAX, FLAGS}, + {"a1", NULL, OFFSET(oa1), AV_OPT_TYPE_DOUBLE, {.dbl=0}, INT32_MIN, INT32_MAX, FLAGS}, + {"a2", NULL, OFFSET(oa2), AV_OPT_TYPE_DOUBLE, {.dbl=0}, INT32_MIN, INT32_MAX, FLAGS}, + {"b0", NULL, OFFSET(ob0), AV_OPT_TYPE_DOUBLE, {.dbl=0}, INT32_MIN, INT32_MAX, FLAGS}, + {"b1", NULL, OFFSET(ob1), AV_OPT_TYPE_DOUBLE, {.dbl=0}, INT32_MIN, INT32_MAX, FLAGS}, + {"b2", NULL, OFFSET(ob2), AV_OPT_TYPE_DOUBLE, {.dbl=0}, INT32_MIN, INT32_MAX, FLAGS}, {"mix", "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS}, {"m", "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS}, {"channels", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS}, {"c", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS}, {"normalize", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, {"n", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS}, + {"transform", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"a", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"}, + {"di", "direct form I", 0, AV_OPT_TYPE_CONST, {.i64=DI}, 0, 0, AF, "transform_type"}, + {"dii", "direct form II", 0, AV_OPT_TYPE_CONST, {.i64=DII}, 0, 0, AF, "transform_type"}, + {"tdii", "transposed direct form II", 0, AV_OPT_TYPE_CONST, {.i64=TDII}, 0, 0, AF, "transform_type"}, + {"latt", "lattice-ladder form", 0, AV_OPT_TYPE_CONST, {.i64=LATT}, 0, 0, AF, "transform_type"}, + {"precision", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"r", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"}, + {"auto", "automatic", 0, AV_OPT_TYPE_CONST, {.i64=-1}, 0, 0, AF, "precision"}, + {"s16", "signed 16-bit", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, AF, "precision"}, + {"s32", "signed 32-bit", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, AF, "precision"}, + {"f32", "floating-point single", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, AF, "precision"}, + {"f64", "floating-point double", 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, AF, "precision"}, {NULL} };