memset (_state->frame_buffer.Data(), 0, _state->frame_buffer.Capacity());
_sound_asset->fill_writer_info (&_state->writer_info, _sound_asset->id(), standard);
-
- Kumu::Result_t r = _state->mxf_writer.OpenWrite (file.string().c_str(), _state->writer_info, _state->audio_desc);
- if (ASDCP_FAILURE (r)) {
- boost::throw_exception (FileError ("could not open audio MXF for writing", file.string(), r));
- }
-
- _sound_asset->set_file (file);
}
void
{
DCP_ASSERT (!_finalized);
+ if (!_started) {
+ Kumu::Result_t r = _state->mxf_writer.OpenWrite (_file.string().c_str(), _state->writer_info, _state->audio_desc);
+ if (ASDCP_FAILURE (r)) {
+ boost::throw_exception (FileError ("could not open audio MXF for writing", _file.string(), r));
+ }
+
+ _sound_asset->set_file (_file);
+ _started = true;
+ }
+
for (int i = 0; i < frames; ++i) {
byte_t* out = _state->frame_buffer.Data() + _frame_buffer_offset;
++_frames_written;
}
-void
+bool
SoundAssetWriter::finalize ()
{
if (_frame_buffer_offset > 0) {
write_current_frame ();
}
- if (ASDCP_FAILURE (_state->mxf_writer.Finalize())) {
+ if (_started && ASDCP_FAILURE (_state->mxf_writer.Finalize())) {
boost::throw_exception (MiscError ("could not finalise audio MXF"));
}
_sound_asset->_intrinsic_duration = _frames_written;
- AssetWriter::finalize ();
+ return AssetWriter::finalize ();
}