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| author | Paul B Mahol <onemda@gmail.com> | 2018-11-08 12:51:12 +0100 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2018-11-08 13:05:08 +0100 |
| commit | 0f0f84071659d68a5dd048e59a0af9d64980013c (patch) | |
| tree | 1598efc6d11bec98894e674fdfc183b0dd475bf4 | |
| parent | 1d9fe1fdf65b5eebe9d1981fd96b4930f0855a68 (diff) | |
| download | ffmpeg-0f0f84071659d68a5dd048e59a0af9d64980013c.tar.gz | |
avfilter/af_aiir: implement rate option
| -rw-r--r-- | libavfilter/af_aiir.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/libavfilter/af_aiir.c b/libavfilter/af_aiir.c index 845d542d29..20dea98cbb 100644 --- a/libavfilter/af_aiir.c +++ b/libavfilter/af_aiir.c @@ -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 }, }; |