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Make export channels own their buffers + some other small code tidy-ups. Preparation for more stem export options

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git-svn-id: svn://localhost/ardour2/branches/3.0@8494 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Sakari Bergen 2011-01-10 21:16:49 +00:00
parent b67be86cbf
commit ffccaaf0bb
5 changed files with 55 additions and 27 deletions
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10
libs/ardour/export_graph_builder.cc
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@ -30,12 +30,10 @@ ExportGraphBuilder::ExportGraphBuilder (Session const & session)
, thread_pool (4) // FIXME thread amount to cores amount
{
process_buffer_frames = session.engine().frames_per_cycle();
process_buffer = new Sample[process_buffer_frames];
}
ExportGraphBuilder::~ExportGraphBuilder ()
{
delete [] process_buffer;
}
int
@ -44,6 +42,7 @@ ExportGraphBuilder::process (framecnt_t frames, bool last_cycle)
assert(frames <= process_buffer_frames);
for (ChannelMap::iterator it = channels.begin(); it != channels.end(); ++it) {
Sample * process_buffer = 0;
it->first->read (process_buffer, frames);
ProcessContext<Sample> context(process_buffer, frames, 1);
if (last_cycle) { context.set_flag (ProcessContext<Sample>::EndOfInput); }
@ -85,6 +84,13 @@ ExportGraphBuilder::set_current_timespan (boost::shared_ptr<ExportTimespan> span
void
ExportGraphBuilder::add_config (FileSpec const & config)
{
ExportChannelConfiguration::ChannelList const & channels =
config.channel_config->get_channels();
for(ExportChannelConfiguration::ChannelList::const_iterator it = channels.begin();
it != channels.end(); ++it) {
(*it)->set_max_buffer_size(process_buffer_frames);
}
// If the sample rate is "session rate", change it to the real value.
// However, we need to copy it to not change the config which is saved...
FileSpec new_config (config);