X-Git-Url: https://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fdoc%2FRenderMux.sh;h=1d098d047e5c781fe084877bcf9377fe0bc2b016;hb=50ec1e03e96a60403af08a7bae34015c9b234902;hp=d109bd63c193cd764c8c0ca86e38da94a1b58527;hpb=fd00a9698319697e77b61e5c47c4e0d5f2ff59eb;p=goodguy%2Fcinelerra.git

diff --git a/cinelerra-5.1/doc/RenderMux.sh b/cinelerra-5.1/doc/RenderMux.sh
index d109bd63..1d098d04 100755
--- a/cinelerra-5.1/doc/RenderMux.sh
+++ b/cinelerra-5.1/doc/RenderMux.sh
@@ -1,3 +1,6 @@
 #!/bin/bash
+exec >& /tmp/render_mux.log
+echo == $0 cin_render="$CIN_RENDER"
+test -z "$CIN_RENDER" && exit 1
 # Render output mux-ed into a single file
 ffmpeg -f concat -safe 0 -i <(for f in "$CIN_RENDER"0*; do echo "file '$f'"; done) -c copy -y $CIN_RENDER