[PATCH] splitfx: fix lossy output with player command is in use

[Eric Wong <e@80x24.org>]

We must ensure lossy encodings do not get lossily-encoded twice,
only once at the final stage.  There is no effect for lossless
outputs as lossless is the common case for splitfx users.
---
 lib/dtas/splitfx.rb | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/dtas/splitfx.rb b/lib/dtas/splitfx.rb
index a14d221..1de9229 100644
--- a/lib/dtas/splitfx.rb
+++ b/lib/dtas/splitfx.rb
@@ -173,6 +173,12 @@ class DTAS::SplitFX # :nodoc:
       outfmt = @infmt.dup
       outfmt.type = "flac"
     end
+
+    # player commands will use SOXFMT by default, so we must output that
+    # as a self-describing format to the actual encoding instances
+    player_cmd = @command
+    suffix = outfmt.type
+    outfmt.type = 'sox' if player_cmd
     env = outfmt.to_env
 
     # set very high quality resampling if using 24-bit or higher output
@@ -204,7 +210,7 @@ class DTAS::SplitFX # :nodoc:
     outarg = outfmt.to_sox_arg
     outarg << "-C#@compression" if @compression
     env["OUTFMT"] = xs(outarg)
-    env["SUFFIX"] = outfmt.type
+    env["SUFFIX"] = suffix
     env["OUTDIR"] = @outdir ? "#@outdir/".squeeze('/') : ''
     env.merge!(t.env)
 
@@ -215,7 +221,7 @@ class DTAS::SplitFX # :nodoc:
     # already takes those into account.  In other words, use our
     # target-specific commands like a dtas-player sink:
     #   @command | (INFILE= FX= TRIMFX=; target['command'])
-    if player_cmd = @command
+    if player_cmd
       sub_env = { 'INFILE' => '-', 'FX' => '', 'TRIMFX' => '' }
       sub_env_s = sub_env.inject("") { |s,(k,v)| s << "#{k}=#{v} " }
       command = "#{player_cmd} | (#{sub_env_s}; #{command})"
-- 
EW