NB_WTYPE,
};
+enum TransformType {
+ DI,
+ DII,
+ TDII,
+ LATT,
+ NB_TTYPE,
+};
+
typedef struct ChanCache {
double i1, i2;
double o1, o2;
int width_type;
int poles;
int csg;
+ int transform_type;
+
+ int bypass;
double gain;
double frequency;
double width;
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;
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)
{
AVFilterFormats *formats;
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;
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;
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;
}
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);
- }
+ 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;
}
ThreadData td;
int ch;
+ if (s->bypass)
+ return ff_filter_frame(outlink, buf);
+
if (av_frame_is_writable(buf)) {
out_buf = buf;
} else {
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 = av_clipd(gain, -900, 900);
- } else if (!strcmp(cmd, "mix") || !strcmp(cmd, "m")) {
- double mix;
-
- if (sscanf(args, "%lf", &mix) != 1) {
- av_log(ctx, AV_LOG_ERROR, "Invalid mix value.\n");
- return AVERROR(EINVAL);
- }
-
- s->mix = av_clipd(mix, 0, 1);
- } 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_); \
-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_ = { \
+AVFilter ff_af_##name_ = { \
.name = #name_, \
.description = NULL_IF_CONFIG_SMALL(description_), \
.priv_size = sizeof(BiquadsContext), \
{"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"},
{NULL}
};
{"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"},
{NULL}
};
{"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"},
{NULL}
};
{"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"},
{NULL}
};
{"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"},
{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"},
+ {"latt", "lattice-ladder form", 0, AV_OPT_TYPE_CONST, {.i64=LATT}, 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"},
+ {"latt", "lattice-ladder form", 0, AV_OPT_TYPE_CONST, {.i64=LATT}, 0, 0, AF, "transform_type"},
{NULL}
};
{"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"},
+ {"latt", "lattice-ladder form", 0, AV_OPT_TYPE_CONST, {.i64=LATT}, 0, 0, AF, "transform_type"},
{NULL}
};
{"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"},
{NULL}
};
{"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"},
{NULL}
};
#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"},
{NULL}
};
projects / ffmpeg / blobdiff