Signed-off-by: Paul B Mahol <onemda@gmail.com>
Paul B Mahol authored on 2013/09/26 18:41:53... | ... |
@@ -1636,6 +1636,12 @@ front left and right: |
1636 | 1636 |
pan="stereo: c0=FR : c1=FR" |
1637 | 1637 |
@end example |
1638 | 1638 |
|
1639 |
+@section replaygain |
|
1640 |
+ |
|
1641 |
+ReplayGain scanner filter. This filter takes an audio stream as an input and |
|
1642 |
+outputs it unchanged. |
|
1643 |
+At end of filtering it displays @code{track_gain} and @code{track_peak}. |
|
1644 |
+ |
|
1639 | 1645 |
@section resample |
1640 | 1646 |
|
1641 | 1647 |
Convert the audio sample format, sample rate and channel layout. This filter is |
... | ... |
@@ -94,6 +94,7 @@ OBJS-$(CONFIG_JOIN_FILTER) += af_join.o |
94 | 94 |
OBJS-$(CONFIG_LADSPA_FILTER) += af_ladspa.o |
95 | 95 |
OBJS-$(CONFIG_LOWPASS_FILTER) += af_biquads.o |
96 | 96 |
OBJS-$(CONFIG_PAN_FILTER) += af_pan.o |
97 |
+OBJS-$(CONFIG_REPLAYGAIN_FILTER) += af_replaygain.o |
|
97 | 98 |
OBJS-$(CONFIG_RESAMPLE_FILTER) += af_resample.o |
98 | 99 |
OBJS-$(CONFIG_SILENCEDETECT_FILTER) += af_silencedetect.o |
99 | 100 |
OBJS-$(CONFIG_TREBLE_FILTER) += af_biquads.o |
100 | 101 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,613 @@ |
0 |
+/* |
|
1 |
+ * Copyright (c) 1998 - 2009 Conifer Software |
|
2 |
+ * |
|
3 |
+ * This file is part of FFmpeg. |
|
4 |
+ * |
|
5 |
+ * FFmpeg is free software; you can redistribute it and/or |
|
6 |
+ * modify it under the terms of the GNU Lesser General Public |
|
7 |
+ * License as published by the Free Software Foundation; either |
|
8 |
+ * version 2.1 of the License, or (at your option) any later version. |
|
9 |
+ * |
|
10 |
+ * FFmpeg is distributed in the hope that it will be useful, |
|
11 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
12 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
13 |
+ * Lesser General Public License for more details. |
|
14 |
+ * |
|
15 |
+ * You should have received a copy of the GNU Lesser General Public |
|
16 |
+ * License along with FFmpeg; if not, write to the Free Software |
|
17 |
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
18 |
+ */ |
|
19 |
+ |
|
20 |
+/** |
|
21 |
+ * @file |
|
22 |
+ * ReplayGain scanner |
|
23 |
+ */ |
|
24 |
+ |
|
25 |
+#include "libavutil/avassert.h" |
|
26 |
+#include "libavutil/channel_layout.h" |
|
27 |
+#include "audio.h" |
|
28 |
+#include "avfilter.h" |
|
29 |
+#include "internal.h" |
|
30 |
+ |
|
31 |
+#define HISTOGRAM_SLOTS 12000 |
|
32 |
+#define BUTTER_ORDER 2 |
|
33 |
+#define YULE_ORDER 10 |
|
34 |
+ |
|
35 |
+typedef struct ReplayGainFreqInfo { |
|
36 |
+ int sample_rate; |
|
37 |
+ double BYule[YULE_ORDER + 1]; |
|
38 |
+ double AYule[YULE_ORDER + 1]; |
|
39 |
+ double BButter[BUTTER_ORDER + 1]; |
|
40 |
+ double AButter[BUTTER_ORDER + 1]; |
|
41 |
+} ReplayGainFreqInfo; |
|
42 |
+ |
|
43 |
+static const ReplayGainFreqInfo freqinfos[] = |
|
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+{ |
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+ { |
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|
261 |
+ 0.22199650564824, 0.00613424350682, 0.06747620744683, |
|
262 |
+ 0.05784820375801, 0.03222754072173 }, |
|
263 |
+ { 0.96454515552826, -1.92909031105652, 0.96454515552826 }, |
|
264 |
+ { 1.00000000000000, -1.92783286977036, 0.93034775234268 }, |
|
265 |
+ }, |
|
266 |
+ { |
|
267 |
+ 12000, |
|
268 |
+ { 0.56619470757641, -0.75464456939302, 0.16242137742230, |
|
269 |
+ 0.16744243493672, -0.18901604199609, 0.30931782841830, |
|
270 |
+ -0.27562961986224, 0.00647310677246, 0.08647503780351, |
|
271 |
+ -0.03788984554840, -0.00588215443421 }, |
|
272 |
+ { 1.00000000000000, -1.04800335126349, 0.29156311971249, |
|
273 |
+ -0.26806001042947, 0.00819999645858, 0.45054734505008, |
|
274 |
+ -0.33032403314006, 0.06739368333110, -0.04784254229033, |
|
275 |
+ 0.01639907836189, 0.01807364323573 }, |
|
276 |
+ { 0.96009142950541, -1.92018285901082, 0.96009142950541 }, |
|
277 |
+ { 1.00000000000000, -1.91858953033784, 0.92177618768381 }, |
|
278 |
+ }, |
|
279 |
+ { |
|
280 |
+ 11025, |
|
281 |
+ { 0.58100494960553, -0.53174909058578, -0.14289799034253, |
|
282 |
+ 0.17520704835522, 0.02377945217615, 0.15558449135573, |
|
283 |
+ -0.25344790059353, 0.01628462406333, 0.06920467763959, |
|
284 |
+ -0.03721611395801, -0.00749618797172 }, |
|
285 |
+ { 1.00000000000000, -0.51035327095184, -0.31863563325245, |
|
286 |
+ -0.20256413484477, 0.14728154134330, 0.38952639978999, |
|
287 |
+ -0.23313271880868, -0.05246019024463, -0.02505961724053, |
|
288 |
+ 0.02442357316099, 0.01818801111503 }, |
|
289 |
+ { 0.95856916599601, -1.91713833199203, 0.95856916599601 }, |
|
290 |
+ { 1.00000000000000, -1.91542108074780, 0.91885558323625 }, |
|
291 |
+ }, |
|
292 |
+ { |
|
293 |
+ 8000, |
|
294 |
+ { 0.53648789255105, -0.42163034350696, -0.00275953611929, |
|
295 |
+ 0.04267842219415, -0.10214864179676, 0.14590772289388, |
|
296 |
+ -0.02459864859345, -0.11202315195388, -0.04060034127000, |
|
297 |
+ 0.04788665548180, -0.02217936801134 }, |
|
298 |
+ { 1.00000000000000, -0.25049871956020, -0.43193942311114, |
|
299 |
+ -0.03424681017675, -0.04678328784242, 0.26408300200955, |
|
300 |
+ 0.15113130533216, -0.17556493366449, -0.18823009262115, |
|
301 |
+ 0.05477720428674, 0.04704409688120 }, |
|
302 |
+ { 0.94597685600279, -1.89195371200558, 0.94597685600279 }, |
|
303 |
+ { 1.00000000000000, -1.88903307939452, 0.89487434461664 }, |
|
304 |
+ }, |
|
305 |
+}; |
|
306 |
+ |
|
307 |
+typedef struct ReplayGainContext { |
|
308 |
+ uint32_t histogram[HISTOGRAM_SLOTS]; |
|
309 |
+ float peak; |
|
310 |
+ int yule_hist_i, butter_hist_i; |
|
311 |
+ const double *yule_coeff_a; |
|
312 |
+ const double *yule_coeff_b; |
|
313 |
+ const double *butter_coeff_a; |
|
314 |
+ const double *butter_coeff_b; |
|
315 |
+ float yule_hist_a[256]; |
|
316 |
+ float yule_hist_b[256]; |
|
317 |
+ float butter_hist_a[256]; |
|
318 |
+ float butter_hist_b[256]; |
|
319 |
+} ReplayGainContext; |
|
320 |
+ |
|
321 |
+static int query_formats(AVFilterContext *ctx) |
|
322 |
+{ |
|
323 |
+ AVFilterFormats *formats = NULL; |
|
324 |
+ AVFilterChannelLayouts *layout = NULL; |
|
325 |
+ int i; |
|
326 |
+ |
|
327 |
+ ff_add_format(&formats, AV_SAMPLE_FMT_FLT); |
|
328 |
+ ff_set_common_formats(ctx, formats); |
|
329 |
+ ff_add_channel_layout(&layout, AV_CH_LAYOUT_STEREO); |
|
330 |
+ ff_set_common_channel_layouts(ctx, layout); |
|
331 |
+ |
|
332 |
+ formats = NULL; |
|
333 |
+ for (i = 0; i < FF_ARRAY_ELEMS(freqinfos); i++) |
|
334 |
+ ff_add_format(&formats, freqinfos[i].sample_rate); |
|
335 |
+ ff_set_common_samplerates(ctx, formats); |
|
336 |
+ |
|
337 |
+ return 0; |
|
338 |
+} |
|
339 |
+ |
|
340 |
+static int config_input(AVFilterLink *inlink) |
|
341 |
+{ |
|
342 |
+ AVFilterContext *ctx = inlink->dst; |
|
343 |
+ ReplayGainContext *s = ctx->priv; |
|
344 |
+ int i; |
|
345 |
+ |
|
346 |
+ for (i = 0; i < FF_ARRAY_ELEMS(freqinfos); i++) { |
|
347 |
+ if (freqinfos[i].sample_rate == inlink->sample_rate) |
|
348 |
+ break; |
|
349 |
+ } |
|
350 |
+ av_assert0(i < FF_ARRAY_ELEMS(freqinfos)); |
|
351 |
+ |
|
352 |
+ s->yule_coeff_a = freqinfos[i].AYule; |
|
353 |
+ s->yule_coeff_b = freqinfos[i].BYule; |
|
354 |
+ s->butter_coeff_a = freqinfos[i].AButter; |
|
355 |
+ s->butter_coeff_b = freqinfos[i].BButter; |
|
356 |
+ |
|
357 |
+ s->yule_hist_i = 20; |
|
358 |
+ s->butter_hist_i = 4; |
|
359 |
+ inlink->partial_buf_size = |
|
360 |
+ inlink->min_samples = |
|
361 |
+ inlink->max_samples = inlink->sample_rate / 20; |
|
362 |
+ |
|
363 |
+ return 0; |
|
364 |
+} |
|
365 |
+ |
|
366 |
+/* |
|
367 |
+ * Update largest absolute sample value. |
|
368 |
+ */ |
|
369 |
+static void calc_stereo_peak(const float *samples, int nb_samples, |
|
370 |
+ float *peak_p) |
|
371 |
+{ |
|
372 |
+ float peak = 0.0; |
|
373 |
+ |
|
374 |
+ while (nb_samples--) { |
|
375 |
+ if (samples[0] > peak) |
|
376 |
+ peak = samples[0]; |
|
377 |
+ else if (-samples[0] > peak) |
|
378 |
+ peak = -samples[0]; |
|
379 |
+ |
|
380 |
+ if (samples[1] > peak) |
|
381 |
+ peak = samples[1]; |
|
382 |
+ else if (-samples[1] > peak) |
|
383 |
+ peak = -samples[1]; |
|
384 |
+ |
|
385 |
+ samples += 2; |
|
386 |
+ } |
|
387 |
+ |
|
388 |
+ *peak_p = FFMAX(peak, *peak_p); |
|
389 |
+} |
|
390 |
+ |
|
391 |
+/* |
|
392 |
+ * Calculate stereo RMS level. Minimum value is about -100 dB for |
|
393 |
+ * digital silence. The 90 dB offset is to compensate for the |
|
394 |
+ * normalized float range and 3 dB is for stereo samples. |
|
395 |
+ */ |
|
396 |
+static double calc_stereo_rms(const float *samples, int nb_samples) |
|
397 |
+{ |
|
398 |
+ int count = nb_samples; |
|
399 |
+ double sum = 1e-16; |
|
400 |
+ |
|
401 |
+ while (count--) { |
|
402 |
+ sum += samples[0] * samples[0] + samples[1] * samples[1]; |
|
403 |
+ samples += 2; |
|
404 |
+ } |
|
405 |
+ |
|
406 |
+ return 10 * log10 (sum / nb_samples) + 90.0 - 3.0; |
|
407 |
+} |
|
408 |
+ |
|
409 |
+/* |
|
410 |
+ * Optimized implementation of 2nd-order IIR stereo filter. |
|
411 |
+ */ |
|
412 |
+static void butter_filter_stereo_samples(ReplayGainContext *s, |
|
413 |
+ float *samples, int nb_samples) |
|
414 |
+{ |
|
415 |
+ const double *coeff_a = s->butter_coeff_a; |
|
416 |
+ const double *coeff_b = s->butter_coeff_b; |
|
417 |
+ float *hist_a = s->butter_hist_a; |
|
418 |
+ float *hist_b = s->butter_hist_b; |
|
419 |
+ double left, right; |
|
420 |
+ int i, j; |
|
421 |
+ |
|
422 |
+ i = s->butter_hist_i; |
|
423 |
+ |
|
424 |
+ // If filter history is very small magnitude, clear it completely |
|
425 |
+ // to prevent denormals from rattling around in there forever |
|
426 |
+ // (slowing us down). |
|
427 |
+ |
|
428 |
+ for (j = -4; j < 0; ++j) |
|
429 |
+ if (fabs(hist_a[i + j]) > 1e-10 || fabs(hist_b[i + j]) > 1e-10) |
|
430 |
+ break; |
|
431 |
+ |
|
432 |
+ if (!j) { |
|
433 |
+ memset(s->butter_hist_a, 0, sizeof(s->butter_hist_a)); |
|
434 |
+ memset(s->butter_hist_b, 0, sizeof(s->butter_hist_b)); |
|
435 |
+ } |
|
436 |
+ |
|
437 |
+ while (nb_samples--) { |
|
438 |
+ left = (hist_b[i ] = samples[0]) * coeff_b[0]; |
|
439 |
+ right = (hist_b[i + 1] = samples[1]) * coeff_b[0]; |
|
440 |
+ left += hist_b[i - 2] * coeff_b[1] - hist_a[i - 2] * coeff_a[1]; |
|
441 |
+ right += hist_b[i - 1] * coeff_b[1] - hist_a[i - 1] * coeff_a[1]; |
|
442 |
+ left += hist_b[i - 4] * coeff_b[2] - hist_a[i - 4] * coeff_a[2]; |
|
443 |
+ right += hist_b[i - 3] * coeff_b[2] - hist_a[i - 3] * coeff_a[2]; |
|
444 |
+ samples[0] = hist_a[i ] = (float) left; |
|
445 |
+ samples[1] = hist_a[i + 1] = (float) right; |
|
446 |
+ samples += 2; |
|
447 |
+ |
|
448 |
+ if ((i += 2) == 256) { |
|
449 |
+ memcpy(hist_a, hist_a + 252, sizeof(*hist_a) * 4); |
|
450 |
+ memcpy(hist_b, hist_b + 252, sizeof(*hist_b) * 4); |
|
451 |
+ i = 4; |
|
452 |
+ } |
|
453 |
+ } |
|
454 |
+ |
|
455 |
+ s->butter_hist_i = i; |
|
456 |
+} |
|
457 |
+ |
|
458 |
+/* |
|
459 |
+ * Optimized implementation of 10th-order IIR stereo filter. |
|
460 |
+ */ |
|
461 |
+static void yule_filter_stereo_samples(ReplayGainContext *s, const float *src, |
|
462 |
+ float *dst, int nb_samples) |
|
463 |
+{ |
|
464 |
+ const double *coeff_a = s->yule_coeff_a; |
|
465 |
+ const double *coeff_b = s->yule_coeff_b; |
|
466 |
+ float *hist_a = s->yule_hist_a; |
|
467 |
+ float *hist_b = s->yule_hist_b; |
|
468 |
+ double left, right; |
|
469 |
+ int i, j; |
|
470 |
+ |
|
471 |
+ i = s->yule_hist_i; |
|
472 |
+ |
|
473 |
+ // If filter history is very small magnitude, clear it completely to |
|
474 |
+ // prevent denormals from rattling around in there forever |
|
475 |
+ // (slowing us down). |
|
476 |
+ |
|
477 |
+ for (j = -20; j < 0; ++j) |
|
478 |
+ if (fabs(hist_a[i + j]) > 1e-10 || fabs(hist_b[i + j]) > 1e-10) |
|
479 |
+ break; |
|
480 |
+ |
|
481 |
+ if (!j) { |
|
482 |
+ memset(s->yule_hist_a, 0, sizeof(s->yule_hist_a)); |
|
483 |
+ memset(s->yule_hist_b, 0, sizeof(s->yule_hist_b)); |
|
484 |
+ } |
|
485 |
+ |
|
486 |
+ while (nb_samples--) { |
|
487 |
+ left = (hist_b[i] = src[0]) * coeff_b[0]; |
|
488 |
+ right = (hist_b[i + 1] = src[1]) * coeff_b[0]; |
|
489 |
+ left += hist_b[i - 2] * coeff_b[ 1] - hist_a[i - 2] * coeff_a[1 ]; |
|
490 |
+ right += hist_b[i - 1] * coeff_b[ 1] - hist_a[i - 1] * coeff_a[1 ]; |
|
491 |
+ left += hist_b[i - 4] * coeff_b[ 2] - hist_a[i - 4] * coeff_a[2 ]; |
|
492 |
+ right += hist_b[i - 3] * coeff_b[ 2] - hist_a[i - 3] * coeff_a[2 ]; |
|
493 |
+ left += hist_b[i - 6] * coeff_b[ 3] - hist_a[i - 6] * coeff_a[3 ]; |
|
494 |
+ right += hist_b[i - 5] * coeff_b[ 3] - hist_a[i - 5] * coeff_a[3 ]; |
|
495 |
+ left += hist_b[i - 8] * coeff_b[ 4] - hist_a[i - 8] * coeff_a[4 ]; |
|
496 |
+ right += hist_b[i - 7] * coeff_b[ 4] - hist_a[i - 7] * coeff_a[4 ]; |
|
497 |
+ left += hist_b[i - 10] * coeff_b[ 5] - hist_a[i - 10] * coeff_a[5 ]; |
|
498 |
+ right += hist_b[i - 9] * coeff_b[ 5] - hist_a[i - 9] * coeff_a[5 ]; |
|
499 |
+ left += hist_b[i - 12] * coeff_b[ 6] - hist_a[i - 12] * coeff_a[6 ]; |
|
500 |
+ right += hist_b[i - 11] * coeff_b[ 6] - hist_a[i - 11] * coeff_a[6 ]; |
|
501 |
+ left += hist_b[i - 14] * coeff_b[ 7] - hist_a[i - 14] * coeff_a[7 ]; |
|
502 |
+ right += hist_b[i - 13] * coeff_b[ 7] - hist_a[i - 13] * coeff_a[7 ]; |
|
503 |
+ left += hist_b[i - 16] * coeff_b[ 8] - hist_a[i - 16] * coeff_a[8 ]; |
|
504 |
+ right += hist_b[i - 15] * coeff_b[ 8] - hist_a[i - 15] * coeff_a[8 ]; |
|
505 |
+ left += hist_b[i - 18] * coeff_b[ 9] - hist_a[i - 18] * coeff_a[9 ]; |
|
506 |
+ right += hist_b[i - 17] * coeff_b[ 9] - hist_a[i - 17] * coeff_a[9 ]; |
|
507 |
+ left += hist_b[i - 20] * coeff_b[10] - hist_a[i - 20] * coeff_a[10]; |
|
508 |
+ right += hist_b[i - 19] * coeff_b[10] - hist_a[i - 19] * coeff_a[10]; |
|
509 |
+ dst[0] = hist_a[i ] = (float)left; |
|
510 |
+ dst[1] = hist_a[i + 1] = (float)right; |
|
511 |
+ src += 2; |
|
512 |
+ dst += 2; |
|
513 |
+ |
|
514 |
+ if ((i += 2) == 256) { |
|
515 |
+ memcpy(hist_a, hist_a + 236, sizeof(*hist_a) * 20); |
|
516 |
+ memcpy(hist_b, hist_b + 236, sizeof(*hist_b) * 20); |
|
517 |
+ i = 20; |
|
518 |
+ } |
|
519 |
+ } |
|
520 |
+ |
|
521 |
+ s->yule_hist_i = i; |
|
522 |
+} |
|
523 |
+ |
|
524 |
+/* |
|
525 |
+ * Calculate the ReplayGain value from the specified loudness histogram; |
|
526 |
+ * clip to -24 / +64 dB. |
|
527 |
+ */ |
|
528 |
+static float calc_replaygain(uint32_t *histogram) |
|
529 |
+{ |
|
530 |
+ uint32_t loud_count = 0, total_windows = 0; |
|
531 |
+ float gain; |
|
532 |
+ int i; |
|
533 |
+ |
|
534 |
+ for (i = 0; i < HISTOGRAM_SLOTS; i++) |
|
535 |
+ total_windows += histogram [i]; |
|
536 |
+ |
|
537 |
+ while (i--) |
|
538 |
+ if ((loud_count += histogram [i]) * 20 >= total_windows) |
|
539 |
+ break; |
|
540 |
+ |
|
541 |
+ gain = (float)(64.54 - i / 100.0); |
|
542 |
+ |
|
543 |
+ return av_clipf(gain, -24.0, 64.0); |
|
544 |
+} |
|
545 |
+ |
|
546 |
+static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
|
547 |
+{ |
|
548 |
+ AVFilterContext *ctx = inlink->dst; |
|
549 |
+ AVFilterLink *outlink = ctx->outputs[0]; |
|
550 |
+ ReplayGainContext *s = ctx->priv; |
|
551 |
+ uint32_t level; |
|
552 |
+ AVFrame *out; |
|
553 |
+ |
|
554 |
+ out = ff_get_audio_buffer(inlink, in->nb_samples); |
|
555 |
+ if (!out) { |
|
556 |
+ av_frame_free(&in); |
|
557 |
+ return AVERROR(ENOMEM); |
|
558 |
+ } |
|
559 |
+ |
|
560 |
+ calc_stereo_peak((float *)in->data[0], |
|
561 |
+ in->nb_samples, &s->peak); |
|
562 |
+ yule_filter_stereo_samples(s, (const float *)in->data[0], |
|
563 |
+ (float *)out->data[0], |
|
564 |
+ out->nb_samples); |
|
565 |
+ butter_filter_stereo_samples(s, (float *)out->data[0], |
|
566 |
+ out->nb_samples); |
|
567 |
+ level = (uint32_t)floor(100 * calc_stereo_rms((float *)out->data[0], |
|
568 |
+ out->nb_samples)); |
|
569 |
+ level = av_clip(level, 0, HISTOGRAM_SLOTS - 1); |
|
570 |
+ |
|
571 |
+ s->histogram[level]++; |
|
572 |
+ |
|
573 |
+ av_frame_free(&out); |
|
574 |
+ return ff_filter_frame(outlink, in); |
|
575 |
+} |
|
576 |
+ |
|
577 |
+static av_cold void uninit(AVFilterContext *ctx) |
|
578 |
+{ |
|
579 |
+ ReplayGainContext *s = ctx->priv; |
|
580 |
+ float gain = calc_replaygain(s->histogram); |
|
581 |
+ |
|
582 |
+ av_log(ctx, AV_LOG_INFO, "track_gain = %+.2f dB\n", gain); |
|
583 |
+ av_log(ctx, AV_LOG_INFO, "track_peak = %.6f\n", s->peak); |
|
584 |
+} |
|
585 |
+ |
|
586 |
+static const AVFilterPad replaygain_inputs[] = { |
|
587 |
+ { |
|
588 |
+ .name = "default", |
|
589 |
+ .type = AVMEDIA_TYPE_AUDIO, |
|
590 |
+ .filter_frame = filter_frame, |
|
591 |
+ .config_props = config_input, |
|
592 |
+ }, |
|
593 |
+ { NULL } |
|
594 |
+}; |
|
595 |
+ |
|
596 |
+static const AVFilterPad replaygain_outputs[] = { |
|
597 |
+ { |
|
598 |
+ .name = "default", |
|
599 |
+ .type = AVMEDIA_TYPE_AUDIO, |
|
600 |
+ }, |
|
601 |
+ { NULL } |
|
602 |
+}; |
|
603 |
+ |
|
604 |
+AVFilter avfilter_af_replaygain = { |
|
605 |
+ .name = "replaygain", |
|
606 |
+ .description = NULL_IF_CONFIG_SMALL("ReplayGain scanner."), |
|
607 |
+ .query_formats = query_formats, |
|
608 |
+ .uninit = uninit, |
|
609 |
+ .priv_size = sizeof(ReplayGainContext), |
|
610 |
+ .inputs = replaygain_inputs, |
|
611 |
+ .outputs = replaygain_outputs, |
|
612 |
+}; |
... | ... |
@@ -90,6 +90,7 @@ void avfilter_register_all(void) |
90 | 90 |
REGISTER_FILTER(LADSPA, ladspa, af); |
91 | 91 |
REGISTER_FILTER(LOWPASS, lowpass, af); |
92 | 92 |
REGISTER_FILTER(PAN, pan, af); |
93 |
+ REGISTER_FILTER(REPLAYGAIN, replaygain, af); |
|
93 | 94 |
REGISTER_FILTER(RESAMPLE, resample, af); |
94 | 95 |
REGISTER_FILTER(SILENCEDETECT, silencedetect, af); |
95 | 96 |
REGISTER_FILTER(TREBLE, treble, af); |
... | ... |
@@ -30,8 +30,8 @@ |
30 | 30 |
#include "libavutil/avutil.h" |
31 | 31 |
|
32 | 32 |
#define LIBAVFILTER_VERSION_MAJOR 3 |
33 |
-#define LIBAVFILTER_VERSION_MINOR 88 |
|
34 |
-#define LIBAVFILTER_VERSION_MICRO 102 |
|
33 |
+#define LIBAVFILTER_VERSION_MINOR 89 |
|
34 |
+#define LIBAVFILTER_VERSION_MICRO 100 |
|
35 | 35 |
|
36 | 36 |
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \ |
37 | 37 |
LIBAVFILTER_VERSION_MINOR, \ |