NB_WTYPE,
};
+enum TransformType {
+ DI,
+ DII,
+ TDII,
+ NB_TTYPE,
+};
+
typedef struct ChanCache {
double i1, i2;
double o1, o2;
int width_type;
int poles;
int csg;
+ int transform_type;
double gain;
double frequency;
double width;
+ double mix;
uint64_t channels;
+ int normalize;
+ int order;
double a0, a1, a2;
double b0, b1, b2;
void (*filter)(struct BiquadsContext *s, const void *ibuf, void *obuf, int len,
double *i1, double *i2, double *o1, double *o2,
- double b0, double b1, double b2, double a1, double a2, int *clippings);
+ double b0, double b1, double b2, double a1, double a2, int *clippings,
+ int disabled);
} BiquadsContext;
static av_cold int init(AVFilterContext *ctx)
double *in1, double *in2, \
double *out1, double *out2, \
double b0, double b1, double b2, \
- double a1, double a2, int *clippings) \
+ double a1, double a2, int *clippings, \
+ int disabled) \
{ \
const type *ibuf = input; \
type *obuf = output; \
double i2 = *in2; \
double o1 = *out1; \
double o2 = *out2; \
+ double wet = s->mix; \
+ double dry = 1. - wet; \
+ double out; \
int i; \
a1 = -a1; \
a2 = -a2; \
for (i = 0; i+1 < len; i++) { \
o2 = i2 * b2 + i1 * b1 + ibuf[i] * b0 + o2 * a2 + o1 * a1; \
i2 = ibuf[i]; \
- if (need_clipping && o2 < min) { \
+ out = o2 * wet + i2 * dry; \
+ if (disabled) { \
+ obuf[i] = i2; \
+ } else if (need_clipping && out < min) { \
(*clippings)++; \
obuf[i] = min; \
- } else if (need_clipping && o2 > max) { \
+ } else if (need_clipping && out > max) { \
(*clippings)++; \
obuf[i] = max; \
} else { \
- obuf[i] = o2; \
+ obuf[i] = out; \
} \
i++; \
o1 = i1 * b2 + i2 * b1 + ibuf[i] * b0 + o1 * a2 + o2 * a1; \
i1 = ibuf[i]; \
- if (need_clipping && o1 < min) { \
+ out = o1 * wet + i1 * dry; \
+ if (disabled) { \
+ obuf[i] = i1; \
+ } else if (need_clipping && out < min) { \
(*clippings)++; \
obuf[i] = min; \
- } else if (need_clipping && o1 > max) { \
+ } else if (need_clipping && out > max) { \
(*clippings)++; \
obuf[i] = max; \
} else { \
- obuf[i] = o1; \
+ obuf[i] = out; \
} \
} \
if (i < len) { \
i1 = ibuf[i]; \
o2 = o1; \
o1 = o0; \
- if (need_clipping && o0 < min) { \
+ out = o0 * wet + i1 * dry; \
+ if (disabled) { \
+ obuf[i] = i1; \
+ } else if (need_clipping && out < min) { \
(*clippings)++; \
obuf[i] = min; \
- } else if (need_clipping && o0 > max) { \
+ } else if (need_clipping && out > max) { \
(*clippings)++; \
obuf[i] = max; \
} else { \
- obuf[i] = o0; \
+ obuf[i] = out; \
} \
} \
*in1 = i1; \
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)
+
static int config_filter(AVFilterLink *outlink, int reset)
{
AVFilterContext *ctx = outlink->src;
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) {
}
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);
s->b2 /= s->a0;
s->a0 /= s->a0;
+ if (s->normalize && fabs(s->b0 + s->b1 + s->b2) > 1e-6) {
+ double factor = (s->a0 + s->a1 + s->a2) / (s->b0 + s->b1 + s->b2);
+
+ s->b0 *= factor;
+ s->b1 *= factor;
+ s->b2 *= factor;
+ }
+
s->cache = av_realloc_f(s->cache, sizeof(ChanCache), inlink->channels);
if (!s->cache)
return AVERROR(ENOMEM);
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);
- }
- s->block_align = av_get_bytes_per_sample(inlink->format);
+ 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;
+ default:
+ av_assert0(0);
+ }
+
+ s->block_align = av_get_bytes_per_sample(inlink->format);
return 0;
}
s->filter(s, buf->extended_data[ch], out_buf->extended_data[ch], buf->nb_samples,
&s->cache[ch].i1, &s->cache[ch].i2, &s->cache[ch].o1, &s->cache[ch].o2,
- s->b0, s->b1, s->b2, s->a1, s->a2, &s->cache[ch].clippings);
+ s->b0, s->b1, s->b2, s->a1, s->a2, &s->cache[ch].clippings, ctx->is_disabled);
}
return 0;
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
char *res, int res_len, int flags)
{
- BiquadsContext *s = ctx->priv;
AVFilterLink *outlink = ctx->outputs[0];
+ int ret;
- if ((!strcmp(cmd, "frequency") || !strcmp(cmd, "f")) &&
- (s->filter_type == equalizer ||
- s->filter_type == lowshelf ||
- s->filter_type == highshelf ||
- s->filter_type == bass ||
- s->filter_type == treble ||
- s->filter_type == bandpass ||
- s->filter_type == bandreject||
- s->filter_type == lowpass ||
- s->filter_type == highpass ||
- s->filter_type == allpass)) {
- double freq;
-
- if (sscanf(args, "%lf", &freq) != 1) {
- av_log(ctx, AV_LOG_ERROR, "Invalid frequency value.\n");
- return AVERROR(EINVAL);
- }
-
- s->frequency = freq;
- } else if ((!strcmp(cmd, "gain") || !strcmp(cmd, "g")) &&
- (s->filter_type == equalizer ||
- s->filter_type == lowshelf ||
- s->filter_type == highshelf ||
- s->filter_type == bass ||
- s->filter_type == treble)) {
- double gain;
-
- if (sscanf(args, "%lf", &gain) != 1) {
- av_log(ctx, AV_LOG_ERROR, "Invalid gain value.\n");
- return AVERROR(EINVAL);
- }
-
- s->gain = gain;
- } else if ((!strcmp(cmd, "width") || !strcmp(cmd, "w")) &&
- (s->filter_type == equalizer ||
- s->filter_type == lowshelf ||
- s->filter_type == highshelf ||
- s->filter_type == bass ||
- s->filter_type == treble ||
- s->filter_type == bandpass ||
- s->filter_type == bandreject||
- s->filter_type == lowpass ||
- s->filter_type == highpass ||
- s->filter_type == allpass)) {
- double width;
-
- if (sscanf(args, "%lf", &width) != 1) {
- av_log(ctx, AV_LOG_ERROR, "Invalid width value.\n");
- return AVERROR(EINVAL);
- }
-
- s->width = width;
- } else if ((!strcmp(cmd, "width_type") || !strcmp(cmd, "t")) &&
- (s->filter_type == equalizer ||
- s->filter_type == lowshelf ||
- s->filter_type == highshelf ||
- s->filter_type == bass ||
- s->filter_type == treble ||
- s->filter_type == bandpass ||
- s->filter_type == bandreject||
- s->filter_type == lowpass ||
- s->filter_type == highpass ||
- s->filter_type == allpass)) {
- char width_type;
-
- if (sscanf(args, "%c", &width_type) != 1) {
- av_log(ctx, AV_LOG_ERROR, "Invalid width_type value.\n");
- return AVERROR(EINVAL);
- }
-
- switch (width_type) {
- case 'h': width_type = HERTZ; break;
- case 'q': width_type = QFACTOR; break;
- case 'o': width_type = OCTAVE; break;
- case 's': width_type = SLOPE; break;
- case 'k': width_type = KHERTZ; break;
- default:
- av_log(ctx, AV_LOG_ERROR, "Invalid width_type value: %c\n", width_type);
- return AVERROR(EINVAL);
- }
-
- s->width_type = width_type;
- } else if ((!strcmp(cmd, "a0") ||
- !strcmp(cmd, "a1") ||
- !strcmp(cmd, "a2") ||
- !strcmp(cmd, "b0") ||
- !strcmp(cmd, "b1") ||
- !strcmp(cmd, "b2")) &&
- s->filter_type == biquad) {
- double value;
-
- if (sscanf(args, "%lf", &value) != 1) {
- av_log(ctx, AV_LOG_ERROR, "Invalid biquad value.\n");
- return AVERROR(EINVAL);
- }
-
- if (!strcmp(cmd, "a0"))
- s->a0 = value;
- else if (!strcmp(cmd, "a1"))
- s->a1 = value;
- else if (!strcmp(cmd, "a2"))
- s->a2 = value;
- else if (!strcmp(cmd, "b0"))
- s->b0 = value;
- else if (!strcmp(cmd, "b1"))
- s->b1 = value;
- else if (!strcmp(cmd, "b2"))
- s->b2 = value;
- }
+ ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
+ if (ret < 0)
+ return ret;
return config_filter(outlink, 0);
}
};
#define OFFSET(x) offsetof(BiquadsContext, x)
-#define FLAGS AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
+#define FLAGS AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
+#define AF AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define DEFINE_BIQUAD_FILTER(name_, description_) \
AVFILTER_DEFINE_CLASS(name_); \
.outputs = outputs, \
.priv_class = &name_##_class, \
.process_command = process_command, \
- .flags = AVFILTER_FLAG_SLICE_THREADS, \
+ .flags = AVFILTER_FLAG_SLICE_THREADS | AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL, \
}
#if CONFIG_EQUALIZER_FILTER
{"w", "set band-width", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 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},
+ {"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"},
{NULL}
};
{"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},
+ {"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"},
{NULL}
};
{"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},
+ {"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"},
{NULL}
};
{"width", "set band-width", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.5}, 0, 99999, FLAGS},
{"w", "set band-width", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.5}, 0, 99999, FLAGS},
{"csg", "use constant skirt gain", OFFSET(csg), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, 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"},
{NULL}
};
{"k", "kHz", 0, AV_OPT_TYPE_CONST, {.i64=KHERTZ}, 0, 0, FLAGS, "width_type"},
{"width", "set band-width", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.5}, 0, 99999, FLAGS},
{"w", "set band-width", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.5}, 0, 99999, 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"},
{NULL}
};
{"k", "kHz", 0, AV_OPT_TYPE_CONST, {.i64=KHERTZ}, 0, 0, FLAGS, "width_type"},
{"width", "set width", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.707}, 0, 99999, FLAGS},
{"w", "set width", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.707}, 0, 99999, FLAGS},
- {"poles", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, FLAGS},
- {"p", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, 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"},
{NULL}
};
{"k", "kHz", 0, AV_OPT_TYPE_CONST, {.i64=KHERTZ}, 0, 0, FLAGS, "width_type"},
{"width", "set width", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.707}, 0, 99999, FLAGS},
{"w", "set width", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.707}, 0, 99999, FLAGS},
- {"poles", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, FLAGS},
- {"p", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, 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"},
{NULL}
};
{"k", "kHz", 0, AV_OPT_TYPE_CONST, {.i64=KHERTZ}, 0, 0, FLAGS, "width_type"},
{"width", "set filter-width", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=707.1}, 0, 99999, FLAGS},
{"w", "set filter-width", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=707.1}, 0, 99999, 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},
+ {"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"},
{NULL}
};
{"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},
+ {"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"},
{NULL}
};
{"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},
+ {"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"},
{NULL}
};
{"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},
+ {"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"},
{NULL}
};