From 9c0d7d72d70082a54f823cd44c0ccda5da64bb6f Mon Sep 17 00:00:00 2001 From: Doug McLain Date: Mon, 2 Jun 2008 05:02:28 +0000 Subject: remove empty sigc++2 directory git-svn-id: svn://localhost/ardour2/branches/3.0@3432 d708f5d6-7413-0410-9779-e7cbd77b26cf --- libs/ardour/audioanalyser.cc | 166 ------------------------------------------- 1 file changed, 166 deletions(-) delete mode 100644 libs/ardour/audioanalyser.cc (limited to 'libs/ardour/audioanalyser.cc') diff --git a/libs/ardour/audioanalyser.cc b/libs/ardour/audioanalyser.cc deleted file mode 100644 index 98c4206301..0000000000 --- a/libs/ardour/audioanalyser.cc +++ /dev/null @@ -1,166 +0,0 @@ -#include -#include -#include -#include -#include // for g_remove() - -#include - -#include -#include -#include - -#include "i18n.h" - -using namespace std; -using namespace Vamp; -using namespace PBD; -using namespace ARDOUR; - -AudioAnalyser::AudioAnalyser (float sr, AnalysisPluginKey key) - : sample_rate (sr) - , plugin_key (key) -{ - /* create VAMP plugin and initialize */ - - if (initialize_plugin (plugin_key, sample_rate)) { - error << string_compose (_("cannot load VAMP plugin \"%1\""), key) << endmsg; - throw failed_constructor(); - } -} - -AudioAnalyser::~AudioAnalyser () -{ - delete plugin; -} - -int -AudioAnalyser::initialize_plugin (AnalysisPluginKey key, float sr) -{ - using namespace Vamp::HostExt; - - PluginLoader* loader (PluginLoader::getInstance()); - - plugin = loader->loadPlugin (key, sr, PluginLoader::ADAPT_ALL); - - if (!plugin) { - error << string_compose (_("VAMP Plugin \"%1\" could not be loaded"), key) << endmsg; - return -1; - } - - /* we asked for the buffering adapter, so set the blocksize to - something that makes for efficient disk i/o - */ - - bufsize = 65536; - stepsize = bufsize; - - if (plugin->getMinChannelCount() > 1) { - delete plugin; - return -1; - } - - if (!plugin->initialise (1, stepsize, bufsize)) { - delete plugin; - return -1; - } - - return 0; -} - -void -AudioAnalyser::reset () -{ - if (plugin) { - plugin->reset (); - } -} - -int -AudioAnalyser::analyse (const string& path, Readable* src, uint32_t channel) -{ - ofstream ofile; - Plugin::FeatureSet features; - int ret = -1; - bool done = false; - Sample* data = 0; - nframes64_t len = src->readable_length(); - nframes64_t pos = 0; - float* bufs[1] = { 0 }; - string tmp_path; - - if (!path.empty()) { - - /* store data in tmp file, not the real one */ - - tmp_path = path; - tmp_path += ".tmp"; - - ofile.open (tmp_path.c_str()); - if (!ofile) { - goto out; - } - } - - data = new Sample[bufsize]; - bufs[0] = data; - - while (!done) { - - nframes64_t to_read; - - /* read from source */ - - to_read = min ((len - pos), bufsize); - - if (src->read (data, pos, to_read, channel) != to_read) { - goto out; - } - - /* zero fill buffer if necessary */ - - if (to_read != bufsize) { - memset (data + to_read, 0, (bufsize - to_read) * sizeof (Sample)); - } - - features = plugin->process (bufs, RealTime::fromSeconds ((double) pos / sample_rate)); - - if (use_features (features, (path.empty() ? 0 : &ofile))) { - goto out; - } - - pos += min (stepsize, to_read); - - if (pos >= len) { - done = true; - } - } - - /* finish up VAMP plugin */ - - features = plugin->getRemainingFeatures (); - - if (use_features (features, (path.empty() ? &ofile : 0))) { - goto out; - } - - ret = 0; - - out: - /* works even if it has not been opened */ - ofile.close (); - - if (ret) { - g_remove (tmp_path.c_str()); - } else if (!path.empty()) { - /* move the data file to the requested path */ - g_rename (tmp_path.c_str(), path.c_str()); - } - - if (data) { - delete [] data; - } - - return ret; -} - -- cgit v1.2.3