#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "avfilter.h"
+#include "filters.h"
#include "formats.h"
#include "audio.h"
#include "video.h"
showwaves->n = 1;
if (!showwaves->n)
- showwaves->n = FFMAX(1, ((double)inlink->sample_rate / (showwaves->w * av_q2d(showwaves->rate))) + 0.5);
+ showwaves->n = FFMAX(1, av_rescale_q(inlink->sample_rate, av_make_q(1, showwaves->w), showwaves->rate));
showwaves->buf_idx = 0;
if (!(showwaves->buf_idy = av_mallocz_array(nb_channels, sizeof(*showwaves->buf_idy)))) {
showwaves->sample_count_mod = 0;
showwaves->buf_idx++;
}
- if (showwaves->buf_idx == showwaves->w)
+ if (showwaves->buf_idx == showwaves->w ||
+ (ff_outlink_get_status(inlink) && i == nb_samples - 1))
if ((ret = push_frame(outlink)) < 0)
break;
outpicref = showwaves->outpicref;
return ret;
}
+static int activate(AVFilterContext *ctx)
+{
+ AVFilterLink *inlink = ctx->inputs[0];
+ AVFilterLink *outlink = ctx->outputs[0];
+ ShowWavesContext *showwaves = ctx->priv;
+ AVFrame *in;
+ const int nb_samples = showwaves->n * outlink->w;
+ int ret;
+
+ FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink);
+
+ ret = ff_inlink_consume_samples(inlink, nb_samples, nb_samples, &in);
+ if (ret < 0)
+ return ret;
+ if (ret > 0)
+ return showwaves_filter_frame(inlink, in);
+
+ FF_FILTER_FORWARD_STATUS(inlink, outlink);
+ FF_FILTER_FORWARD_WANTED(outlink, inlink);
+
+ return FFERROR_NOT_READY;
+}
+
static const AVFilterPad showwaves_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_AUDIO,
- .filter_frame = showwaves_filter_frame,
},
{ NULL }
};
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_output,
- .request_frame = request_frame,
},
{ NULL }
};
.query_formats = query_formats,
.priv_size = sizeof(ShowWavesContext),
.inputs = showwaves_inputs,
+ .activate = activate,
.outputs = showwaves_outputs,
.priv_class = &showwaves_class,
};