while (n < sound_asset->asset()->intrinsic_duration()) {
shared_ptr<const dcp::SoundFrame> sound_frame = sound_asset->asset()->get_frame (frame++);
uint8_t const * d = sound_frame->data ();
while (n < sound_asset->asset()->intrinsic_duration()) {
shared_ptr<const dcp::SoundFrame> sound_frame = sound_asset->asset()->get_frame (frame++);
uint8_t const * d = sound_frame->data ();