avfilter/vf_deshake: use a void * comparator for consistency

[ffmpeg] / libavfilter / avf_showcqt.c

diff --git a/libavfilter/avf_showcqt.c b/libavfilter/avf_showcqt.c
index e939d8fb7a9ee345d1c63954c480fd3d492a0268..2bd772ec0f9b269ba6bfcf1eab29bba8fbb29f00 100644 (file)
--- a/libavfilter/avf_showcqt.c
+++ b/libavfilter/avf_showcqt.c
@@ -136,28 +136,25 @@ static int query_formats(AVFilterContext *ctx)
     static const enum AVPixelFormat pix_fmts[] = { AV_PIX_FMT_RGB24, AV_PIX_FMT_NONE };
     static const int64_t channel_layouts[] = { AV_CH_LAYOUT_STEREO, AV_CH_LAYOUT_STEREO_DOWNMIX, -1 };
     static const int samplerates[] = { 44100, 48000, -1 };
+    int ret;
 
     /* set input audio formats */
     formats = ff_make_format_list(sample_fmts);
-    if (!formats)
-        return AVERROR(ENOMEM);
-    ff_formats_ref(formats, &inlink->out_formats);
+    if ((ret = ff_formats_ref(formats, &inlink->out_formats)) < 0)
+        return ret;
 
     layouts = avfilter_make_format64_list(channel_layouts);
-    if (!layouts)
-        return AVERROR(ENOMEM);
-    ff_channel_layouts_ref(layouts, &inlink->out_channel_layouts);
+    if ((ret = ff_channel_layouts_ref(layouts, &inlink->out_channel_layouts)) < 0)
+        return ret;
 
     formats = ff_make_format_list(samplerates);
-    if (!formats)
-        return AVERROR(ENOMEM);
-    ff_formats_ref(formats, &inlink->out_samplerates);
+    if ((ret = ff_formats_ref(formats, &inlink->out_samplerates)) < 0)
+        return ret;
 
     /* set output video format */
     formats = ff_make_format_list(pix_fmts);
-    if (!formats)
-        return AVERROR(ENOMEM);
-    ff_formats_ref(formats, &outlink->in_formats);
+    if ((ret = ff_formats_ref(formats, &outlink->in_formats)) < 0)
+        return ret;
 
     return 0;
 }
@@ -374,7 +371,7 @@ static int config_output(AVFilterLink *outlink)
             tlength = s->timeclamp;
         }
 
-        volume = FFABS(av_expr_eval(volume_expr, expr_vars_val, NULL));
+        volume = fabs(av_expr_eval(volume_expr, expr_vars_val, NULL));
         if (isnan(volume)) {
             av_log(ctx, AV_LOG_WARNING, "at freq %g: volume is nan, setting it to 0\n", freq);
             volume = VOLUME_MIN;