From f8eec08d6fa7cd1bb40a72e8c0c79ff986f6b52e Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Mon, 11 Jun 2018 19:00:52 +0200
Subject: determine success by output

---
 odin/strm/download_youtube | 53 +++++++++++++++++++++++++---------------------
 1 file changed, 29 insertions(+), 24 deletions(-)

diff --git a/odin/strm/download_youtube b/odin/strm/download_youtube
index d6e41865..4d351cd5 100644
--- a/odin/strm/download_youtube
+++ b/odin/strm/download_youtube
@@ -293,31 +293,36 @@ printf ">>> %s <<<\n  %s\n" "${msgId}" "${message}"
         
         [[ "${bare_amp}" -ne 0 ]] && p2args+=(-af "${amp}")
 
-        local success=false
-
-        if [[ $#prePass -gt 0 ]]; then
-            args+=(-v info -i ${tempfile})
-            
-            oldPwd=${PWD}
-            cd $(mktemp -d --tmpdir "transcode.${0:t}.$$.XXXXXX")
-            cleanup rm -rfv -- ${PWD}
-            
-            p1args+=(-an -f matroska)
-            print -- ${prePass} ${p1args}
-            ffmpeg ${args} ${prePass} ${p1args} -- /dev/null
-            
-            print -- ${cargs} ${p2args}
-            ffmpeg ${args} ${cargs} ${p2args} -- "${filename}" && success=true
-            
-            cd ${oldPwd}
-        else
-            args+=(-v warning -i pipe:0)
-            
-            print -- ${cargs} ${p2args}
-            pv -N "$(trimName "trans:" ${title})" ${tempfile} | ffmpeg ${args} ${cargs} ${p2args} -- "${filename}" && success=true
-        fi
+        transcodeStdout=$(mktemp --tmpdir "transcode.stdout.${0:t}.$$.XXXXXX")
+        cleanup rm -rfv -- ${transcodeStdout}
+        transcodeStderr=$(mktemp --tmpdir "transcode.stderr.${0:t}.$$.XXXXXX")
+        cleanup rm -rfv -- ${transcodeStderr}
+
+        (
+            if [[ $#prePass -gt 0 ]]; then
+                args+=(-v info -i ${tempfile})
+                
+                oldPwd=${PWD}
+                cd $(mktemp -d --tmpdir "transcode.${0:t}.$$.XXXXXX")
+                cleanup rm -rfv -- ${PWD}
+                
+                p1args+=(-an -f matroska)
+                print -- ${prePass} ${p1args}
+                ffmpeg ${args} ${prePass} ${p1args} -- /dev/null
+                
+                print -- ${cargs} ${p2args}
+                ffmpeg ${args} ${cargs} ${p2args} -- "${filename}"
+                
+                cd ${oldPwd}
+            else
+                args+=(-v warning -i pipe:0)
+                
+                print -- ${cargs} ${p2args}
+                pv -N "$(trimName "trans:" ${title})" ${tempfile} | ffmpeg ${args} ${cargs} ${p2args} -- "${filename}"
+            fi
+        ) >&1 >${transcodeStdout} 2>&2 2>${transcodeStderr}
 
-        if ${success}; then
+        if grep -qv "Invalid encoder type" ${transcodeStdout} ${transcodeStderr}; then
             printf "Successfully transcoded using transMode=%s\n" ${transMode}
             break
         fi
-- 
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