35 #define OFFSET(x) offsetof(CrystalizerContext, x)
36 #define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
91 const void **
s =
td->s;
92 const int nb_samples =
td->nb_samples;
94 const float mult =
td->mult;
96 const int start = (
channels * jobnr) / nb_jobs;
97 const int end = (
channels * (jobnr+1)) / nb_jobs;
101 for (
c = start;
c < end;
c++) {
102 const float *
src =
s[0];
105 for (n = 0; n < nb_samples; n++) {
106 float current =
src[
c];
107 dst[
c] = current + (current - prv[
c]) *
mult;
126 const void **
s =
td->s;
127 const int nb_samples =
td->nb_samples;
130 const int clip =
td->clip;
131 const int start = (
channels * jobnr) / nb_jobs;
132 const int end = (
channels * (jobnr+1)) / nb_jobs;
136 for (
c = start;
c < end;
c++) {
137 const double *
src =
s[0];
140 for (n = 0; n < nb_samples; n++) {
141 double current =
src[
c];
143 dst[
c] = current + (current - prv[
c]) *
mult;
162 const void **
s =
td->s;
163 const int nb_samples =
td->nb_samples;
166 const int clip =
td->clip;
167 const int start = (
channels * jobnr) / nb_jobs;
168 const int end = (
channels * (jobnr+1)) / nb_jobs;
171 for (
c = start;
c < end;
c++) {
172 const float *
src =
s[
c];
176 for (n = 0; n < nb_samples; n++) {
177 float current =
src[n];
179 dst[n] = current + (current - prv[0]) *
mult;
195 const void **
s =
td->s;
196 const int nb_samples =
td->nb_samples;
198 const double mult =
td->mult;
199 const int clip =
td->clip;
200 const int start = (
channels * jobnr) / nb_jobs;
201 const int end = (
channels * (jobnr+1)) / nb_jobs;
204 for (
c = start;
c < end;
c++) {
205 const double *
src =
s[
c];
209 for (n = 0; n < nb_samples; n++) {
210 double current =
src[n];
212 dst[n] = current + (current - prv[0]) *
mult;
228 const void **
s =
td->s;
229 const int nb_samples =
td->nb_samples;
231 const float mult = -
td->mult;
232 const float div = -
td->mult + 1.f;
233 const int clip =
td->clip;
234 const int start = (
channels * jobnr) / nb_jobs;
235 const int end = (
channels * (jobnr+1)) / nb_jobs;
239 for (
c = start;
c < end;
c++) {
240 const float *
src =
s[0];
243 for (n = 0; n < nb_samples; n++) {
244 float current =
src[
c];
245 dst[
c] = (current + prv[
c] *
mult) / div;
264 const void **
s =
td->s;
265 const int nb_samples =
td->nb_samples;
267 const double mult = -
td->mult;
268 const double div = -
td->mult + 1.f;
269 const int clip =
td->clip;
270 const int start = (
channels * jobnr) / nb_jobs;
271 const int end = (
channels * (jobnr+1)) / nb_jobs;
275 for (
c = start;
c < end;
c++) {
276 const double *
src =
s[0];
279 for (n = 0; n < nb_samples; n++) {
280 double current =
src[
c];
282 dst[
c] = (current + prv[
c] *
mult) / div;
301 const void **
s =
td->s;
302 const int nb_samples =
td->nb_samples;
304 const float mult = -
td->mult;
305 const float div = -
td->mult + 1.f;
306 const int clip =
td->clip;
307 const int start = (
channels * jobnr) / nb_jobs;
308 const int end = (
channels * (jobnr+1)) / nb_jobs;
311 for (
c = start;
c < end;
c++) {
312 const float *
src =
s[
c];
316 for (n = 0; n < nb_samples; n++) {
317 float current =
src[n];
319 dst[n] = (current + prv[0] *
mult) / div;
335 const void **
s =
td->s;
336 const int nb_samples =
td->nb_samples;
338 const double mult = -
td->mult;
339 const double div = -
td->mult + 1.f;
340 const int clip =
td->clip;
341 const int start = (
channels * jobnr) / nb_jobs;
342 const int end = (
channels * (jobnr+1)) / nb_jobs;
345 for (
c = start;
c < end;
c++) {
346 const double *
src =
s[
c];
350 for (n = 0; n < nb_samples; n++) {
351 double current =
src[n];
353 dst[n] = (current + prv[0] *
mult) / div;
406 td.d = (
void **)
out->extended_data;
407 td.s = (
const void **)
in->extended_data;
408 td.p = (
void **)
s->prev->extended_data;
409 td.nb_samples =
in->nb_samples;
411 td.mult =
ctx->is_disabled ? 0.f :
s->mult;
430 char *res,
int res_len,
int flags)
460 .
name =
"crystalizer",
464 .priv_class = &crystalizer_class,
static enum AVSampleFormat sample_fmts[]
static const AVOption crystalizer_options[]
static int ifilter_dbl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int ifilter_fltp(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int filter_flt(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int ifilter_flt(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int filter_dbl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int query_formats(AVFilterContext *ctx)
static int config_input(AVFilterLink *inlink)
static int filter_fltp(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static const AVFilterPad inputs[]
static const AVFilterPad outputs[]
AVFilter ff_af_crystalizer
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
static av_cold void uninit(AVFilterContext *ctx)
static int filter_dblp(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
AVFILTER_DEFINE_CLASS(crystalizer)
static int ifilter_dblp(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
AVFrame * ff_get_audio_buffer(AVFilterLink *link, int nb_samples)
Request an audio samples buffer with a specific set of permissions.
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method !=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2) { ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc) { av_free(ac);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
int ff_filter_process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Generic processing of user supplied commands that are set in the same way as the filter options.
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Main libavfilter public API header.
#define flags(name, subs,...)
audio channel layout utility functions
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
#define AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
Same as AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, except that the filter will have its filter_frame() c...
int av_frame_is_writable(AVFrame *frame)
Check if the frame data is writable.
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
AVSampleFormat
Audio sample formats.
@ AV_SAMPLE_FMT_FLTP
float, planar
@ AV_SAMPLE_FMT_DBLP
double, planar
@ AV_SAMPLE_FMT_DBL
double
static int16_t mult(Float11 *f1, Float11 *f2)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
enum MovChannelLayoutTag * layouts
Describe the class of an AVClass context structure.
A list of supported channel layouts.
A link between two filters.
int channels
Number of channels.
AVFilterContext * dst
dest filter
int format
agreed upon media format
A filter pad used for either input or output.
const char * name
Pad name.
const char * name
Filter name.
AVFormatInternal * internal
An opaque field for libavformat internal usage.
This structure describes decoded (raw) audio or video data.
int(* filter)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Used for passing data between threads.
static double clip(void *opaque, double val)
Clip value val in the minval - maxval range.