#include "audio.h"
#include "avfilter.h"
+#include "filters.h"
#include "formats.h"
#include "hermite.h"
#include "internal.h"
{ "ratio", "set ratio", OFFSET(ratio), AV_OPT_TYPE_DOUBLE, {.dbl=2}, 1, 20, A|F },
{ "attack", "set attack", OFFSET(attack), AV_OPT_TYPE_DOUBLE, {.dbl=20}, 0.01, 2000, A|F },
{ "release", "set release", OFFSET(release), AV_OPT_TYPE_DOUBLE, {.dbl=250}, 0.01, 9000, A|F },
- { "makeup", "set make up gain", OFFSET(makeup), AV_OPT_TYPE_DOUBLE, {.dbl=2}, 1, 64, A|F },
+ { "makeup", "set make up gain", OFFSET(makeup), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 1, 64, A|F },
{ "knee", "set knee", OFFSET(knee), AV_OPT_TYPE_DOUBLE, {.dbl=2.82843}, 1, 8, A|F },
{ "link", "set link type", OFFSET(link), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, A|F, "link" },
{ "average", 0, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, A|F, "link" },
}
#if CONFIG_SIDECHAINCOMPRESS_FILTER
-static int filter_frame(AVFilterLink *link, AVFrame *frame)
+static int activate(AVFilterContext *ctx)
{
- AVFilterContext *ctx = link->dst;
SidechainCompressContext *s = ctx->priv;
- AVFilterLink *outlink = ctx->outputs[0];
AVFrame *out = NULL, *in[2] = { NULL };
+ int ret, i, status, nb_samples;
double *dst;
- int nb_samples;
- int i;
+ int64_t pts;
- for (i = 0; i < 2; i++)
- if (link == ctx->inputs[i])
- break;
- av_assert0(i < 2);
- av_audio_fifo_write(s->fifo[i], (void **)frame->extended_data,
- frame->nb_samples);
- av_frame_free(&frame);
+ if ((ret = ff_inlink_consume_frame(ctx->inputs[0], &in[0])) > 0) {
+ av_audio_fifo_write(s->fifo[0], (void **)in[0]->extended_data,
+ in[0]->nb_samples);
+ av_frame_free(&in[0]);
+ }
+ if (ret < 0)
+ return ret;
+ if ((ret = ff_inlink_consume_frame(ctx->inputs[1], &in[1])) > 0) {
+ av_audio_fifo_write(s->fifo[1], (void **)in[1]->extended_data,
+ in[1]->nb_samples);
+ av_frame_free(&in[1]);
+ }
+ if (ret < 0)
+ return ret;
nb_samples = FFMIN(av_audio_fifo_size(s->fifo[0]), av_audio_fifo_size(s->fifo[1]));
- if (!nb_samples)
- return 0;
-
- out = ff_get_audio_buffer(outlink, nb_samples);
- if (!out)
- return AVERROR(ENOMEM);
- for (i = 0; i < 2; i++) {
- in[i] = ff_get_audio_buffer(ctx->inputs[i], nb_samples);
- if (!in[i]) {
- av_frame_free(&in[0]);
- av_frame_free(&in[1]);
- av_frame_free(&out);
+ if (nb_samples) {
+ out = ff_get_audio_buffer(ctx->outputs[0], nb_samples);
+ if (!out)
return AVERROR(ENOMEM);
+ for (i = 0; i < 2; i++) {
+ in[i] = ff_get_audio_buffer(ctx->inputs[i], nb_samples);
+ if (!in[i]) {
+ av_frame_free(&in[0]);
+ av_frame_free(&in[1]);
+ av_frame_free(&out);
+ return AVERROR(ENOMEM);
+ }
+ av_audio_fifo_read(s->fifo[i], (void **)in[i]->data, nb_samples);
}
- av_audio_fifo_read(s->fifo[i], (void **)in[i]->data, nb_samples);
- }
- dst = (double *)out->data[0];
- out->pts = s->pts;
- s->pts += nb_samples;
+ dst = (double *)out->data[0];
+ out->pts = s->pts;
+ s->pts += nb_samples;
- compressor(s, (double *)in[0]->data[0], dst,
- (double *)in[1]->data[0], nb_samples,
- s->level_in, s->level_sc,
- ctx->inputs[0], ctx->inputs[1]);
+ compressor(s, (double *)in[0]->data[0], dst,
+ (double *)in[1]->data[0], nb_samples,
+ s->level_in, s->level_sc,
+ ctx->inputs[0], ctx->inputs[1]);
- av_frame_free(&in[0]);
- av_frame_free(&in[1]);
+ av_frame_free(&in[0]);
+ av_frame_free(&in[1]);
- return ff_filter_frame(outlink, out);
-}
-
-static int request_frame(AVFilterLink *outlink)
-{
- AVFilterContext *ctx = outlink->src;
- SidechainCompressContext *s = ctx->priv;
- int i;
-
- /* get a frame on each input */
- for (i = 0; i < 2; i++) {
- AVFilterLink *inlink = ctx->inputs[i];
- if (!av_audio_fifo_size(s->fifo[i]))
- return ff_request_frame(inlink);
+ ret = ff_filter_frame(ctx->outputs[0], out);
+ if (ret < 0)
+ return ret;
+ }
+ if (ff_inlink_acknowledge_status(ctx->inputs[0], &status, &pts)) {
+ ff_outlink_set_status(ctx->outputs[0], status, pts);
+ return 0;
+ } else if (ff_inlink_acknowledge_status(ctx->inputs[1], &status, &pts)) {
+ ff_outlink_set_status(ctx->outputs[0], status, pts);
+ return 0;
+ } else {
+ if (ff_outlink_frame_wanted(ctx->outputs[0])) {
+ if (!av_audio_fifo_size(s->fifo[0]))
+ ff_inlink_request_frame(ctx->inputs[0]);
+ if (!av_audio_fifo_size(s->fifo[1]))
+ ff_inlink_request_frame(ctx->inputs[1]);
+ }
+ return 0;
}
-
- return 0;
}
static int query_formats(AVFilterContext *ctx)
{
.name = "main",
.type = AVMEDIA_TYPE_AUDIO,
- .filter_frame = filter_frame,
},{
.name = "sidechain",
.type = AVMEDIA_TYPE_AUDIO,
- .filter_frame = filter_frame,
},
{ NULL }
};
.name = "default",
.type = AVMEDIA_TYPE_AUDIO,
.config_props = config_output,
- .request_frame = request_frame,
},
{ NULL }
};
.priv_size = sizeof(SidechainCompressContext),
.priv_class = &sidechaincompress_class,
.query_formats = query_formats,
+ .activate = activate,
.uninit = uninit,
.inputs = sidechaincompress_inputs,
.outputs = sidechaincompress_outputs,