int response;
int w, h;
int ir_channel;
+ AVRational rate;
AVFrame *video;
for (i = 0; i < nb + 1; i++) {
if (fabs(coeffs[2 * i + 1]) > FLT_EPSILON) {
- av_log(ctx, AV_LOG_ERROR, "coeff: %lf of z^%d is not real; poles/zeros are not complex conjugates.\n",
+ av_log(ctx, AV_LOG_ERROR, "coeff: %f of z^%d is not real; poles/zeros are not complex conjugates.\n",
coeffs[2 * i + 1], i);
return AVERROR(EINVAL);
}
iir->biquads[current_biquad].b1 = b[2] / a[4] * (current_biquad ? 1.0 : iir->g);
iir->biquads[current_biquad].b2 = b[0] / a[4] * (current_biquad ? 1.0 : iir->g);
- av_log(ctx, AV_LOG_VERBOSE, "a=%lf %lf %lf:b=%lf %lf %lf\n",
+ av_log(ctx, AV_LOG_VERBOSE, "a=%f %f %f:b=%f %f %f\n",
iir->biquads[current_biquad].a0,
iir->biquads[current_biquad].a1,
iir->biquads[current_biquad].a2,
if (s->response) {
AVFilterLink *outlink = ctx->outputs[1];
+ int64_t old_pts = s->video->pts;
+ int64_t new_pts = av_rescale_q(out->pts, ctx->inputs[0]->time_base, outlink->time_base);
- s->video->pts = out->pts;
- ret = ff_filter_frame(outlink, av_frame_clone(s->video));
- if (ret < 0)
- return ret;
+ if (new_pts > old_pts) {
+ s->video->pts = new_pts;
+ ret = ff_filter_frame(outlink, av_frame_clone(s->video));
+ if (ret < 0)
+ return ret;
+ }
}
return ff_filter_frame(outlink, out);
outlink->sample_aspect_ratio = (AVRational){1,1};
outlink->w = s->w;
outlink->h = s->h;
+ outlink->frame_rate = s->rate;
+ outlink->time_base = av_inv_q(outlink->frame_rate);
return 0;
}
{ "response", "show IR frequency response", OFFSET(response), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, VF },
{ "channel", "set IR channel to display frequency response", OFFSET(ir_channel), AV_OPT_TYPE_INT, {.i64=0}, 0, 1024, VF },
{ "size", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "hd720"}, 0, 0, VF },
+ { "rate", "set video rate", OFFSET(rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT32_MAX, VF },
{ NULL },
};