[FFmpeg-devel] [PATCH]lavfi/mandelbrot: Output RGB0 instead of RGBA

Carl Eugen Hoyos cehoyos at ag.or.at
Thu Oct 1 21:48:10 CEST 2015


Hi!

Attached patch improves the mandelbrot output pix_fmt imo.

Please comment, Carl Eugen
-------------- next part --------------
diff --git a/libavfilter/vsrc_mandelbrot.c b/libavfilter/vsrc_mandelbrot.c
index 56d0503..950c5c8 100644
--- a/libavfilter/vsrc_mandelbrot.c
+++ b/libavfilter/vsrc_mandelbrot.c
@@ -149,7 +149,7 @@ static av_cold void uninit(AVFilterContext *ctx)
 static int query_formats(AVFilterContext *ctx)
 {
     static const enum AVPixelFormat pix_fmts[] = {
-        AV_PIX_FMT_BGR32,
+        AV_PIX_FMT_0BGR32,
         AV_PIX_FMT_NONE
     };
 
@@ -379,7 +379,6 @@ static void draw_mandelbrot(AVFilterContext *ctx, uint32_t *color, int linesize,
                     c= lrintf((s->zyklus[closest_index][0]/closest+1)*127+dv) + lrintf((s->zyklus[closest_index][1]/closest+1)*127+dv)*256;
                 }
             }
-            c |= 0xFF000000;
             color[x + y*linesize]= c;
             if(next_cidx < s->cache_allocated){
                 s->next_cache[next_cidx  ].p[0]= cr;


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