diff options
| author | Robin Gareus <robin@gareus.org> | 2016-02-16 14:25:49 +0100 |
|---|---|---|
| committer | Robin Gareus <robin@gareus.org> | 2016-02-16 14:25:49 +0100 |
| commit | a664fb703e2cc30196231f2614178e834fe804ba (patch) | |
| tree | 840b6a52775834ac0ff29630500fba3721a5f841 /libs/ardour/export_graph_builder.cc | |
| parent | c52854fd3d8fd7316534cafc2d3e125044d0dc83 (diff) | |
chunk data before analysis, prefer 8K
* consistent spectrum display for all reports (same binsize)
* improved performance (power of two)
Diffstat (limited to 'libs/ardour/export_graph_builder.cc')
| -rw-r--r-- | libs/ardour/export_graph_builder.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libs/ardour/export_graph_builder.cc b/libs/ardour/export_graph_builder.cc index 9e25d51513..58eecff899 100644 --- a/libs/ardour/export_graph_builder.cc +++ b/libs/ardour/export_graph_builder.cc @@ -311,8 +311,11 @@ ExportGraphBuilder::SFC::SFC (ExportGraphBuilder &parent, FileSpec const & new_c framecnt_t sb = config.format->silence_beginning_at (parent.timespan->get_start(), sample_rate); framecnt_t se = config.format->silence_end_at (parent.timespan->get_end(), sample_rate); framecnt_t duration = parent.timespan->get_length () + sb + se; + max_frames = min ((framecnt_t) 8192 * channels, max ((framecnt_t) 4096 * channels, max_frames)); + chunker.reset (new Chunker<Sample> (max_frames)); analyser.reset (new Analyser (config.format->sample_rate(), channels, max_frames, (framecnt_t) ceil (duration * config.format->sample_rate () / sample_rate))); + chunker->add_output (analyser); parent.add_analyser (config.filename->get_path (config.format), analyser); } @@ -348,7 +351,7 @@ ExportGraphBuilder::FloatSinkPtr ExportGraphBuilder::SFC::sink () { if (_analyse) { - return analyser; + return chunker; } else if (data_width == 8 || data_width == 16) { return short_converter; } else if (data_width == 24 || data_width == 32) { |