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Code Issues Releases Activity

avfilter/af_aiir: implement rate option

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This commit is contained in:
Paul B Mahol 2018-11-08 12:51:12 +01:00
parent 1d9fe1fdf6
commit 0f0f840716
1 changed files with 12 additions and 4 deletions
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16
libavfilter/af_aiir.c
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@ -63,6 +63,7 @@ typedef struct AudioIIRContext {
int response;
int w, h;
int ir_channel;
AVRational rate;
AVFrame *video;
@ -939,11 +940,15 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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);
@ -957,6 +962,8 @@ static int config_video(AVFilterLink *outlink)
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;
}
@ -1070,6 +1077,7 @@ static const AVOption aiir_options[] = {
{ "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 },
};