Move all speed detection code to wmspeed.hh.

Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>

src/Makefile.am

@@ -6,7 +6,7 @@ COMMON_SRC = utils.hh utils.cc convcode.hh convcode.cc random.hh random.cc wavda
 	     sfoutputstream.cc sfoutputstream.hh rawinputstream.cc rawinputstream.hh rawoutputstream.cc rawoutputstream.hh \
 	     rawconverter.cc rawconverter.hh mp3inputstream.cc mp3inputstream.hh wmcommon.cc wmcommon.hh fft.cc fft.hh \
 	     limiter.cc limiter.hh shortcode.cc shortcode.hh mpegts.cc mpegts.hh hls.cc hls.hh audiobuffer.hh \
-	     wmget.cc wmadd.cc syncfinder.cc syncfinder.hh
+	     wmget.cc wmadd.cc syncfinder.cc syncfinder.hh wmspeed.cc wmspeed.hh
 COMMON_LIBS = $(SNDFILE_LIBS) $(FFTW_LIBS) $(LIBGCRYPT_LIBS) $(LIBMPG123_LIBS) $(FFMPEG_LIBS)
 
 audiowmark_SOURCES = audiowmark.cc $(COMMON_SRC)

src/wmspeed.hh

+/*
+ * Copyright (C) 2018-2020 Stefan Westerfeld
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef AUDIOWMARK_WM_SPEED_HH
+#define AUDIOWMARK_WM_SPEED_HH
+
+#include "wavdata.hh"
+
+double detect_speed (const WavData& in_data);
+
+#endif /* AUDIOWMARK_WM_SPEED_HH */