[FFmpeg-cvslog] avfilter/avf_showspectrum: use av_clip/lrintf

Paul B Mahol git at videolan.org
Tue Jan 5 15:17:38 CET 2016


ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Tue Jan  5 10:05:14 2016 +0100| [c31fa1d7b44c55d8491b7e6ebe8615289aadec69] | committer: Paul B Mahol

avfilter/avf_showspectrum: use av_clip/lrintf

Signed-off-by: Paul B Mahol <onemda at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c31fa1d7b44c55d8491b7e6ebe8615289aadec69
---

 libavfilter/avf_showspectrum.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavfilter/avf_showspectrum.c b/libavfilter/avf_showspectrum.c
index 02f6fad..0604f29 100644
--- a/libavfilter/avf_showspectrum.c
+++ b/libavfilter/avf_showspectrum.c
@@ -595,7 +595,7 @@ static int plot_spectrum_column(AVFilterLink *inlink, AVFrame *insamples)
                 a = pow(a, 0.20);
                 break;
             case LOG:
-                a = 1 + log10(FFMAX(FFMIN(1, a * w), 1e-6)) / 6; // zero = -120dBFS
+                a = 1 + log10(av_clipd(a * w, 1e-6, 1)) / 6; // zero = -120dBFS
                 break;
             default:
                 av_assert0(0);
@@ -632,7 +632,7 @@ static int plot_spectrum_column(AVFilterLink *inlink, AVFrame *insamples)
                          (outlink->h - 1) * outpicref->linesize[plane] +
                          s->xpos;
             for (y = 0; y < outlink->h; y++) {
-                *p = lrint(FFMAX(0, FFMIN(s->combine_buffer[3 * y + plane], 255)));
+                *p = lrintf(av_clipf(s->combine_buffer[3 * y + plane], 0, 255));
                 p -= outpicref->linesize[plane];
             }
         }
@@ -660,7 +660,7 @@ static int plot_spectrum_column(AVFilterLink *inlink, AVFrame *insamples)
             uint8_t *p = outpicref->data[plane] +
                          s->xpos * outpicref->linesize[plane];
             for (x = 0; x < outlink->w; x++) {
-                *p = lrint(FFMAX(0, FFMIN(s->combine_buffer[3 * x + plane], 255)));
+                *p = lrintf(av_clipf(s->combine_buffer[3 * x + plane], 0, 255));
                 p++;
             }
         }



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