Make a new AudioBuffers constructor and use it to avoid some use of the more complica...

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

diff --git a/src/lib/audio_buffers.cc b/src/lib/audio_buffers.cc
index 63204dd6a8684fd50897e68dff0b6b8d15ea30c5..cceb1267213450ed8fc6cc3c4dbc3d8c913c032c 100644 (file)
--- a/src/lib/audio_buffers.cc
+++ b/src/lib/audio_buffers.cc
@@ -52,6 +52,12 @@ AudioBuffers::AudioBuffers (boost::shared_ptr<const AudioBuffers> other)
        copy_from (other.get(), other->_frames, 0, 0);
 }
 
+AudioBuffers::AudioBuffers (boost::shared_ptr<const AudioBuffers> other, int32_t frames_to_copy, int32_t read_offset)
+{
+       allocate (other->_channels, frames_to_copy);
+       copy_from (other.get(), frames_to_copy, read_offset, 0);
+}
+
 AudioBuffers &
 AudioBuffers::operator= (AudioBuffers const & other)
 {