X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fresampler.cc;h=2c6594a6df7cca9e519c2564040e8a94dd3a52ee;hb=cb330f076f72000d028b11e88702addb0a2ab480;hp=056b2e1ee5c6416e779c7062f48346a858d77923;hpb=db3866008bf2ab1b921c44c4e3c70a909304ac84;p=dcpomatic.git

diff --git a/src/lib/resampler.cc b/src/lib/resampler.cc
index 056b2e1ee..2c6594a6d 100644
--- 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;
 }