float mult;
int clip;
AVFrame *prev;
- void (*filter)(void **dst, void **prv, const void **src,
- int nb_samples, int channels, float mult, int clip);
+ int (*filter)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
} CrystalizerContext;
#define OFFSET(x) offsetof(CrystalizerContext, x)
-#define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
+#define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
static const AVOption crystalizer_options[] = {
- { "i", "set intensity", OFFSET(mult), AV_OPT_TYPE_FLOAT, {.dbl=2.0}, 0, 10, A },
+ { "i", "set intensity", OFFSET(mult), AV_OPT_TYPE_FLOAT, {.dbl=2.0},-10, 10, A },
{ "c", "enable clipping", OFFSET(clip), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, A },
{ NULL }
};
return ff_set_common_samplerates(ctx, formats);
}
-static void filter_flt(void **d, void **p, const void **s,
- int nb_samples, int channels,
- float mult, int clip)
+typedef struct ThreadData {
+ void **d;
+ void **p;
+ const void **s;
+ int nb_samples;
+ int channels;
+ float mult;
+ int clip;
+} ThreadData;
+
+static int filter_flt(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
- const float *src = s[0];
- float *dst = d[0];
+ ThreadData *td = arg;
+ void **d = td->d;
+ void **p = td->p;
+ const void **s = td->s;
+ const int nb_samples = td->nb_samples;
+ const int channels = td->channels;
+ const float mult = td->mult;
+ const int clip = td->clip;
+ const int start = (channels * jobnr) / nb_jobs;
+ const int end = (channels * (jobnr+1)) / nb_jobs;
float *prv = p[0];
int n, c;
- for (n = 0; n < nb_samples; n++) {
- for (c = 0; c < channels; c++) {
- float current = src[c];
+ for (c = start; c < end; c++) {
+ const float *src = s[0];
+ float *dst = d[0];
+ for (n = 0; n < nb_samples; n++) {
+ float current = src[c];
dst[c] = current + (current - prv[c]) * mult;
prv[c] = current;
if (clip) {
dst[c] = av_clipf(dst[c], -1, 1);
}
- }
- dst += c;
- src += c;
+ dst += channels;
+ src += channels;
+ }
}
+
+ return 0;
}
-static void filter_dbl(void **d, void **p, const void **s,
- int nb_samples, int channels,
- float mult, int clip)
+static int filter_dbl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
- const double *src = s[0];
- double *dst = d[0];
+ ThreadData *td = arg;
+ void **d = td->d;
+ void **p = td->p;
+ const void **s = td->s;
+ const int nb_samples = td->nb_samples;
+ const int channels = td->channels;
+ double mult = td->mult;
+ const int clip = td->clip;
+ const int start = (channels * jobnr) / nb_jobs;
+ const int end = (channels * (jobnr+1)) / nb_jobs;
double *prv = p[0];
int n, c;
- for (n = 0; n < nb_samples; n++) {
- for (c = 0; c < channels; c++) {
+ for (c = start; c < end; c++) {
+ const double *src = s[0];
+ double *dst = d[0];
+
+ for (n = 0; n < nb_samples; n++) {
double current = src[c];
dst[c] = current + (current - prv[c]) * mult;
if (clip) {
dst[c] = av_clipd(dst[c], -1, 1);
}
- }
- dst += c;
- src += c;
+ dst += channels;
+ src += channels;
+ }
}
+
+ return 0;
}
-static void filter_fltp(void **d, void **p, const void **s,
- int nb_samples, int channels,
- float mult, int clip)
+static int filter_fltp(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
+ ThreadData *td = arg;
+ void **d = td->d;
+ void **p = td->p;
+ const void **s = td->s;
+ const int nb_samples = td->nb_samples;
+ const int channels = td->channels;
+ float mult = td->mult;
+ const int clip = td->clip;
+ const int start = (channels * jobnr) / nb_jobs;
+ const int end = (channels * (jobnr+1)) / nb_jobs;
int n, c;
- for (c = 0; c < channels; c++) {
+ for (c = start; c < end; c++) {
const float *src = s[c];
float *dst = d[c];
float *prv = p[c];
}
}
}
+
+ return 0;
}
-static void filter_dblp(void **d, void **p, const void **s,
- int nb_samples, int channels,
- float mult, int clip)
+static int filter_dblp(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
+ ThreadData *td = arg;
+ void **d = td->d;
+ void **p = td->p;
+ const void **s = td->s;
+ const int nb_samples = td->nb_samples;
+ const int channels = td->channels;
+ const double mult = td->mult;
+ const int clip = td->clip;
+ const int start = (channels * jobnr) / nb_jobs;
+ const int end = (channels * (jobnr+1)) / nb_jobs;
int n, c;
- for (c = 0; c < channels; c++) {
+ for (c = start; c < end; c++) {
const double *src = s[c];
double *dst = d[c];
double *prv = p[c];
}
}
}
+
+ return 0;
+}
+
+static int ifilter_flt(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
+{
+ ThreadData *td = arg;
+ void **d = td->d;
+ void **p = td->p;
+ const void **s = td->s;
+ const int nb_samples = td->nb_samples;
+ const int channels = td->channels;
+ const float mult = -td->mult;
+ const float div = -td->mult + 1.f;
+ const int clip = td->clip;
+ const int start = (channels * jobnr) / nb_jobs;
+ const int end = (channels * (jobnr+1)) / nb_jobs;
+ float *prv = p[0];
+ int n, c;
+
+ for (c = start; c < end; c++) {
+ const float *src = s[0];
+ float *dst = d[0];
+
+ for (n = 0; n < nb_samples; n++) {
+ float current = src[c];
+ dst[c] = (current + prv[c] * mult) / div;
+ prv[c] = dst[c];
+ if (clip) {
+ dst[c] = av_clipf(dst[c], -1, 1);
+ }
+
+ dst += channels;
+ src += channels;
+ }
+ }
+
+ return 0;
+}
+
+static int ifilter_dbl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
+{
+ ThreadData *td = arg;
+ void **d = td->d;
+ void **p = td->p;
+ const void **s = td->s;
+ const int nb_samples = td->nb_samples;
+ const int channels = td->channels;
+ const double mult = -td->mult;
+ const double div = -td->mult + 1.f;
+ const int clip = td->clip;
+ const int start = (channels * jobnr) / nb_jobs;
+ const int end = (channels * (jobnr+1)) / nb_jobs;
+ double *prv = p[0];
+ int n, c;
+
+ for (c = start; c < end; c++) {
+ const double *src = s[0];
+ double *dst = d[0];
+
+ for (n = 0; n < nb_samples; n++) {
+ double current = src[c];
+
+ dst[c] = (current + prv[c] * mult) / div;
+ prv[c] = dst[c];
+ if (clip) {
+ dst[c] = av_clipd(dst[c], -1, 1);
+ }
+
+ dst += channels;
+ src += channels;
+ }
+ }
+
+ return 0;
+}
+
+static int ifilter_fltp(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
+{
+ ThreadData *td = arg;
+ void **d = td->d;
+ void **p = td->p;
+ const void **s = td->s;
+ const int nb_samples = td->nb_samples;
+ const int channels = td->channels;
+ const float mult = -td->mult;
+ const float div = -td->mult + 1.f;
+ const int clip = td->clip;
+ const int start = (channels * jobnr) / nb_jobs;
+ const int end = (channels * (jobnr+1)) / nb_jobs;
+ int n, c;
+
+ for (c = start; c < end; c++) {
+ const float *src = s[c];
+ float *dst = d[c];
+ float *prv = p[c];
+
+ for (n = 0; n < nb_samples; n++) {
+ float current = src[n];
+
+ dst[n] = (current + prv[0] * mult) / div;
+ prv[0] = dst[n];
+ if (clip) {
+ dst[n] = av_clipf(dst[n], -1, 1);
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int ifilter_dblp(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
+{
+ ThreadData *td = arg;
+ void **d = td->d;
+ void **p = td->p;
+ const void **s = td->s;
+ const int nb_samples = td->nb_samples;
+ const int channels = td->channels;
+ const double mult = -td->mult;
+ const double div = -td->mult + 1.f;
+ const int clip = td->clip;
+ const int start = (channels * jobnr) / nb_jobs;
+ const int end = (channels * (jobnr+1)) / nb_jobs;
+ int n, c;
+
+ for (c = start; c < end; c++) {
+ const double *src = s[c];
+ double *dst = d[c];
+ double *prv = p[c];
+
+ for (n = 0; n < nb_samples; n++) {
+ double current = src[n];
+
+ dst[n] = (current + prv[0] * mult) / div;
+ prv[0] = dst[n];
+ if (clip) {
+ dst[n] = av_clipd(dst[n], -1, 1);
+ }
+ }
+ }
+
+ return 0;
}
static int config_input(AVFilterLink *inlink)
CrystalizerContext *s = ctx->priv;
switch (inlink->format) {
- case AV_SAMPLE_FMT_FLT: s->filter = filter_flt; break;
- case AV_SAMPLE_FMT_DBL: s->filter = filter_dbl; break;
- case AV_SAMPLE_FMT_FLTP: s->filter = filter_fltp; break;
- case AV_SAMPLE_FMT_DBLP: s->filter = filter_dblp; break;
+ case AV_SAMPLE_FMT_FLT: s->filter = s->mult >= 0.f ? filter_flt : ifilter_flt; break;
+ case AV_SAMPLE_FMT_DBL: s->filter = s->mult >= 0.f ? filter_dbl : ifilter_dbl; break;
+ case AV_SAMPLE_FMT_FLTP: s->filter = s->mult >= 0.f ? filter_fltp : ifilter_fltp; break;
+ case AV_SAMPLE_FMT_DBLP: s->filter = s->mult >= 0.f ? filter_dblp : ifilter_dblp; break;
}
return 0;
AVFilterLink *outlink = ctx->outputs[0];
CrystalizerContext *s = ctx->priv;
AVFrame *out;
+ ThreadData td;
if (!s->prev) {
s->prev = ff_get_audio_buffer(inlink, 1);
av_frame_copy_props(out, in);
}
- s->filter((void **)out->extended_data, (void **)s->prev->extended_data, (const void **)in->extended_data,
- in->nb_samples, in->channels, s->mult, s->clip);
+ td.d = (void **)out->extended_data;
+ td.s = (const void **)in->extended_data;
+ td.p = (void **)s->prev->extended_data;
+ td.nb_samples = in->nb_samples;
+ td.channels = in->channels;
+ td.mult = ctx->is_disabled ? 0.f : s->mult;
+ td.clip = s->clip;
+ ctx->internal->execute(ctx, s->filter, &td, NULL, FFMIN(inlink->channels,
+ ff_filter_get_nb_threads(ctx)));
if (out != in)
av_frame_free(&in);
av_frame_free(&s->prev);
}
+static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
+ char *res, int res_len, int flags)
+{
+ int ret;
+
+ ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
+ if (ret < 0)
+ return ret;
+
+ return config_input(ctx->inputs[0]);
+}
+
static const AVFilterPad inputs[] = {
{
.name = "default",
{ NULL }
};
-AVFilter ff_af_crystalizer = {
+const AVFilter ff_af_crystalizer = {
.name = "crystalizer",
- .description = NULL_IF_CONFIG_SMALL("Simple expand audio dynamic range filter."),
+ .description = NULL_IF_CONFIG_SMALL("Simple audio noise sharpening filter."),
.query_formats = query_formats,
.priv_size = sizeof(CrystalizerContext),
.priv_class = &crystalizer_class,
.uninit = uninit,
.inputs = inputs,
.outputs = outputs,
+ .process_command = process_command,
+ .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
+ AVFILTER_FLAG_SLICE_THREADS,
};