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avfilter/af_agate: switch to activate

Paul B Mahol committed 9 years ago

Commit 4b96fd21 parent e0e991f1 file · +59 −55Browse files

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libavfilter/af_agate.c+59−55
@@ -29,6 +29,7 @@ · 28 unmodified lines
29#include "libavutil/opt.h"29#include "libavutil/opt.h"
30#include "avfilter.h"30#include "avfilter.h"
31#include "audio.h"31#include "audio.h"
32#include "filters.h"
32#include "formats.h"33#include "formats.h"
33#include "hermite.h"34#include "hermite.h"
34 35
@@ -265,71 +266,76 @@ AVFilter ff_af_agate = { · 230 unmodified lines
265#define sidechaingate_options options266#define sidechaingate_options options
266AVFILTER_DEFINE_CLASS(sidechaingate);267AVFILTER_DEFINE_CLASS(sidechaingate);
267 268
268static int scfilter_frame(AVFilterLink *link, AVFrame *frame)269static int activate(AVFilterContext *ctx)
269{270{
270 AVFilterContext *ctx = link->dst;
271 AudioGateContext *s = ctx->priv;271 AudioGateContext *s = ctx->priv;
272 AVFilterLink *outlink = ctx->outputs[0];272 AVFrame *out = NULL, *in[2] = { NULL };
273 AVFrame *out, *in[2] = { NULL };273 int ret, i, status, nb_samples;
274 double *dst;274 double *dst;
275 int nb_samples;275 int64_t pts;
276 int i;
277 276
278 for (i = 0; i < 2; i++)277 if ((ret = ff_inlink_consume_frame(ctx->inputs[0], &in[0])) > 0) {
279 if (link == ctx->inputs[i])278 av_audio_fifo_write(s->fifo[0], (void **)in[0]->extended_data,
280 break;279 in[0]->nb_samples);
281 av_assert0(i < 2);280 av_frame_free(&in[0]);
282 av_audio_fifo_write(s->fifo[i], (void **)frame->extended_data,281 }
283 frame->nb_samples);282 if (ret < 0)
284 av_frame_free(&frame);283 return ret;
284 if ((ret = ff_inlink_consume_frame(ctx->inputs[1], &in[1])) > 0) {
285 av_audio_fifo_write(s->fifo[1], (void **)in[1]->extended_data,
286 in[1]->nb_samples);
287 av_frame_free(&in[1]);
288 }
289 if (ret < 0)
290 return ret;
285 291
286 nb_samples = FFMIN(av_audio_fifo_size(s->fifo[0]), av_audio_fifo_size(s->fifo[1]));292 nb_samples = FFMIN(av_audio_fifo_size(s->fifo[0]), av_audio_fifo_size(s->fifo[1]));
287 if (!nb_samples)293 if (nb_samples) {
288 return 0;294 out = ff_get_audio_buffer(ctx->outputs[0], nb_samples);
289 295 if (!out)
290 out = ff_get_audio_buffer(outlink, nb_samples);
291 if (!out)
292 return AVERROR(ENOMEM);
293 for (i = 0; i < 2; i++) {
294 in[i] = ff_get_audio_buffer(ctx->inputs[i], nb_samples);
295 if (!in[i]) {
296 av_frame_free(&in[0]);
297 av_frame_free(&in[1]);
298 av_frame_free(&out);
299 return AVERROR(ENOMEM);296 return AVERROR(ENOMEM);
297 for (i = 0; i < 2; i++) {
298 in[i] = ff_get_audio_buffer(ctx->inputs[i], nb_samples);
299 if (!in[i]) {
300 av_frame_free(&in[0]);
301 av_frame_free(&in[1]);
302 av_frame_free(&out);
303 return AVERROR(ENOMEM);
304 }
305 av_audio_fifo_read(s->fifo[i], (void **)in[i]->data, nb_samples);
300 }306 }
301 av_audio_fifo_read(s->fifo[i], (void **)in[i]->data, nb_samples);
302 }
303 307
304 dst = (double *)out->data[0];308 dst = (double *)out->data[0];
305 out->pts = s->pts;309 out->pts = s->pts;
306 s->pts += nb_samples;310 s->pts += nb_samples;
307 311
308 gate(s, (double *)in[0]->data[0], dst,312 gate(s, (double *)in[0]->data[0], dst,
309 (double *)in[1]->data[0], nb_samples,313 (double *)in[1]->data[0], nb_samples,
310 s->level_in, s->level_sc,314 s->level_in, s->level_sc,
311 ctx->inputs[0], ctx->inputs[1]);315 ctx->inputs[0], ctx->inputs[1]);
312 316
313 av_frame_free(&in[0]);317 av_frame_free(&in[0]);
314 av_frame_free(&in[1]);318 av_frame_free(&in[1]);
315 319
316 return ff_filter_frame(outlink, out);320 ret = ff_filter_frame(ctx->outputs[0], out);
317}321 if (ret < 0)
318 322 return ret;
319static int screquest_frame(AVFilterLink *outlink)323 }
320{324 if (ff_inlink_acknowledge_status(ctx->inputs[0], &status, &pts)) {
321 AVFilterContext *ctx = outlink->src;325 ff_outlink_set_status(ctx->outputs[0], status, pts);
322 AudioGateContext *s = ctx->priv;326 return 0;
323 int i;327 } else if (ff_inlink_acknowledge_status(ctx->inputs[1], &status, &pts)) {
324 328 ff_outlink_set_status(ctx->outputs[0], status, pts);
325 /* get a frame on each input */329 return 0;
326 for (i = 0; i < 2; i++) {330 } else {
327 AVFilterLink *inlink = ctx->inputs[i];331 if (ff_outlink_frame_wanted(ctx->outputs[0])) {
328 if (!av_audio_fifo_size(s->fifo[i]))332 if (!av_audio_fifo_size(s->fifo[0]))
329 return ff_request_frame(inlink);333 ff_inlink_request_frame(ctx->inputs[0]);
334 if (!av_audio_fifo_size(s->fifo[1]))
335 ff_inlink_request_frame(ctx->inputs[1]);
336 }
337 return 0;
330 }338 }
331
332 return 0;
333}339}
334 340
335static int scquery_formats(AVFilterContext *ctx)341static int scquery_formats(AVFilterContext *ctx)
@@ -408,11 +414,9 @@ static const AVFilterPad sidechaingate_inputs[] = { · 72 unmodified lines
408 {414 {
409 .name = "main",415 .name = "main",
410 .type = AVMEDIA_TYPE_AUDIO,416 .type = AVMEDIA_TYPE_AUDIO,
411 .filter_frame = scfilter_frame,
412 },{417 },{
413 .name = "sidechain",418 .name = "sidechain",
414 .type = AVMEDIA_TYPE_AUDIO,419 .type = AVMEDIA_TYPE_AUDIO,
415 .filter_frame = scfilter_frame,
416 },420 },
417 { NULL }421 { NULL }
418};422};
@@ -422,7 +426,6 @@ static const AVFilterPad sidechaingate_outputs[] = { · 3 unmodified lines
422 .name = "default",426 .name = "default",
423 .type = AVMEDIA_TYPE_AUDIO,427 .type = AVMEDIA_TYPE_AUDIO,
424 .config_props = scconfig_output,428 .config_props = scconfig_output,
425 .request_frame = screquest_frame,
426 },429 },
427 { NULL }430 { NULL }
428};431};
@@ -433,6 +436,7 @@ AVFilter ff_af_sidechaingate = { · 4 unmodified lines
433 .priv_size = sizeof(AudioGateContext),436 .priv_size = sizeof(AudioGateContext),
434 .priv_class = &sidechaingate_class,437 .priv_class = &sidechaingate_class,
435 .query_formats = scquery_formats,438 .query_formats = scquery_formats,
439 .activate = activate,
436 .uninit = uninit,440 .uninit = uninit,
437 .inputs = sidechaingate_inputs,441 .inputs = sidechaingate_inputs,
438 .outputs = sidechaingate_outputs,442 .outputs = sidechaingate_outputs,

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