Bump test set size to 150 seconds.

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

src/audiowmark.cc

@@ -1097,10 +1097,10 @@ gentest (const string& infile, const string& outfile)
   const vector<float>& in_signal = wav_data.samples();
   vector<float> out_signal;
 
-  /* 42 seconds of audio - starting at 30 seconds of the original track */
-  /* this is approximately the minimal amount of audio data required for storing a 128-bit encoded message */
-  const size_t offset = 30 * wav_data.n_channels() * int (wav_data.mix_freq());
-  const size_t n_samples = 42 * wav_data.n_channels() * int (wav_data.mix_freq());
+  /* 150 seconds of audio - this is approximately the minimal amount of audio data required
+   * for storing three separate watermarks with a 128-bit encoded message */
+  const size_t offset = 0 * wav_data.n_channels() * int (wav_data.mix_freq());
+  const size_t n_samples = 150 * wav_data.n_channels() * int (wav_data.mix_freq());
   if (in_signal.size() < (offset + n_samples))
     {
       fprintf (stderr, "audiowmark: input file %s too short\n", infile.c_str());