diff options
Diffstat (limited to 'src/drumkitloader.cc')
-rw-r--r-- | src/drumkitloader.cc | 231 |
1 files changed, 125 insertions, 106 deletions
diff --git a/src/drumkitloader.cc b/src/drumkitloader.cc index 0a44db0..64d6710 100644 --- a/src/drumkitloader.cc +++ b/src/drumkitloader.cc @@ -32,146 +32,165 @@ #include "drumgizmo.h" DrumKitLoader::DrumKitLoader() - : semaphore("drumkitloader") - , framesize(0) + : semaphore("drumkitloader") + , framesize(0) { - run(); - run_semaphore.wait(); // Wait for the thread to actually start. + run(); + run_semaphore.wait(); // Wait for the thread to actually start. } DrumKitLoader::~DrumKitLoader() { DEBUG(loader, "~DrumKitLoader() pre\n"); - if(running) { - framesize_semaphore.post(); - stop(); - } + + if(running) + { + framesize_semaphore.post(); + stop(); + } + DEBUG(loader, "~DrumKitLoader() post\n"); } void DrumKitLoader::stop() { - { - MutexAutolock l(mutex); - load_queue.clear(); - } - - running = false; - semaphore.post(); - wait_stop(); + { + MutexAutolock l(mutex); + load_queue.clear(); + } + + running = false; + semaphore.post(); + wait_stop(); } void DrumKitLoader::skip() { - MutexAutolock l(mutex); - load_queue.clear(); + MutexAutolock l(mutex); + load_queue.clear(); } void DrumKitLoader::setFrameSize(size_t framesize) { DEBUG(loader, "%s pre\n", __PRETTY_FUNCTION__); + { - MutexAutolock l(mutex); - this->framesize = framesize; - framesize_semaphore.post(); // Signal that the framesize has been set. + MutexAutolock l(mutex); + this->framesize = framesize; + framesize_semaphore.post(); // Signal that the framesize has been set. } + DEBUG(loader, "%s post\n", __PRETTY_FUNCTION__); } bool DrumKitLoader::isDone() { - MutexAutolock l(mutex); - return load_queue.size() == 0; + MutexAutolock l(mutex); + return load_queue.size() == 0; } void DrumKitLoader::loadKit(DrumKit *kit) { - MutexAutolock l(mutex); - - DEBUG(loader, "Create AudioFile queue from DrumKit\n"); - - total_num_audiofiles = 0;// For UI Progress Messages - - { // Count total number of files that need loading: - Instruments::iterator i = kit->instruments.begin(); - while(i != kit->instruments.end()) { - Instrument *instr = *i; - total_num_audiofiles += instr->audiofiles.size(); - i++; - } - } - - fraction = total_num_audiofiles / 200; - if(fraction == 0) fraction = 1; - - { // Now actually queue them for loading: - Instruments::iterator i = kit->instruments.begin(); - while(i != kit->instruments.end()) { - Instrument *instr = *i; - - std::vector<AudioFile*>::iterator af = instr->audiofiles.begin(); - while(af != instr->audiofiles.end()) { - AudioFile *audiofile = *af; - load_queue.push_back(audiofile); - af++; - } - - i++; - } - } - - loaded = 0; // For UI Progress Messages - - DEBUG(loader, "Queued %d (size: %d) AudioFiles for loading.\n", - (int)total_num_audiofiles, (int)load_queue.size()); - - semaphore.post(); // Start loader loop. + MutexAutolock l(mutex); + + DEBUG(loader, "Create AudioFile queue from DrumKit\n"); + + total_num_audiofiles = 0;// For UI Progress Messages + + { // Count total number of files that need loading: + Instruments::iterator i = kit->instruments.begin(); + while(i != kit->instruments.end()) + { + Instrument *instr = *i; + total_num_audiofiles += instr->audiofiles.size(); + ++i; + } + } + + fraction = total_num_audiofiles / 200; + if(fraction == 0) + { + fraction = 1; + } + + { // Now actually queue them for loading: + Instruments::iterator i = kit->instruments.begin(); + while(i != kit->instruments.end()) + { + Instrument *instr = *i; + + std::vector<AudioFile*>::iterator af = instr->audiofiles.begin(); + while(af != instr->audiofiles.end()) + { + AudioFile *audiofile = *af; + load_queue.push_back(audiofile); + af++; + } + + ++i; + } + } + + loaded = 0; // For UI Progress Messages + + DEBUG(loader, "Queued %d (size: %d) AudioFiles for loading.\n", + (int)total_num_audiofiles, (int)load_queue.size()); + + semaphore.post(); // Start loader loop. } void DrumKitLoader::thread_main() { - running = true; - - run_semaphore.post(); // Signal that the thread has been started. - - framesize_semaphore.wait(); // Wait until the framesize has been set. - - while(running) { - size_t size; - { - MutexAutolock l(mutex); - size = load_queue.size(); - } - - // Only sleep if queue is empty. - if(size == 0) semaphore.wait(); - - std::string filename; - { - MutexAutolock l(mutex); - if(load_queue.size() == 0) continue; - AudioFile *audiofile = load_queue.front(); - load_queue.pop_front(); - filename = audiofile->filename; - size_t preload_size = framesize * CHUNK_MULTIPLIER + framesize; - if(preload_size < 1024) - { + running = true; + + run_semaphore.post(); // Signal that the thread has been started. + + framesize_semaphore.wait(); // Wait until the framesize has been set. + + while(running) + { + size_t size; + { + MutexAutolock l(mutex); + size = load_queue.size(); + } + + // Only sleep if queue is empty. + if(size == 0) + { + semaphore.wait(); + } + + std::string filename; + { + MutexAutolock l(mutex); + if(load_queue.size() == 0) + { + continue; + } + AudioFile *audiofile = load_queue.front(); + load_queue.pop_front(); + filename = audiofile->filename; + size_t preload_size = framesize * CHUNK_MULTIPLIER + framesize; + if(preload_size < 1024) + { preload_size = 1024; - } - (void)preload_size; - audiofile->load(ALL_SAMPLES); // Note: Change this to enable diskstreaming - } - - loaded++; - - if(loaded % fraction == 0 || loaded == total_num_audiofiles) { - LoadStatusMessage *ls = new LoadStatusMessage(); - ls->number_of_files = total_num_audiofiles; - ls->numer_of_files_loaded = loaded; - ls->current_file = filename; - msghandler.sendMessage(MSGRCV_UI, ls); - } - } - - DEBUG(loader, "Loader thread finished."); + } + (void)preload_size; + audiofile->load(ALL_SAMPLES); // Note: Change this to enable diskstreaming + } + + loaded++; + + if(loaded % fraction == 0 || loaded == total_num_audiofiles) + { + LoadStatusMessage *ls = new LoadStatusMessage(); + ls->number_of_files = total_num_audiofiles; + ls->numer_of_files_loaded = loaded; + ls->current_file = filename; + msghandler.sendMessage(MSGRCV_UI, ls); + } + } + + DEBUG(loader, "Loader thread finished."); } |