Add assert.

[dcpomatic.git] / src / lib / resampler.cc

diff --git a/src/lib/resampler.cc b/src/lib/resampler.cc
index 056b2e1ee5c6416e779c7062f48346a858d77923..2c6594a6df7cca9e519c2564040e8a94dd3a52ee 100644 (file)
--- a/src/lib/resampler.cc
+++ b/src/lib/resampler.cc
@@ -81,6 +81,8 @@ Resampler::set_fast ()
 shared_ptr<const AudioBuffers>
 Resampler::run (shared_ptr<const AudioBuffers> in)
 {
+       DCPOMATIC_ASSERT(in->channels() == _channels);
+
        int in_frames = in->frames ();
        int in_offset = 0;
        int out_offset = 0;
@@ -131,7 +133,6 @@ Resampler::run (shared_ptr<const AudioBuffers> in)
                        break;
                }
 
-               resampled->ensure_size (out_offset + data.output_frames_gen);
                resampled->set_frames (out_offset + data.output_frames_gen);
 
                {
@@ -176,7 +177,7 @@ Resampler::flush ()
                throw EncodeError (String::compose(N_("could not run sample-rate converter (%1)"), src_strerror(r)));
        }
 
-       out->ensure_size (out_offset + data.output_frames_gen);
+       out->set_frames (out_offset + data.output_frames_gen);
 
        auto p = data.data_out;
        auto q = out->data ();
@@ -187,7 +188,6 @@ Resampler::flush ()
        }
 
        out_offset += data.output_frames_gen;
-       out->set_frames (out_offset);
 
        return out;
 }