diff options
Diffstat (limited to 'src/drumgizmo.cc')
-rw-r--r-- | src/drumgizmo.cc | 66 |
1 files changed, 62 insertions, 4 deletions
diff --git a/src/drumgizmo.cc b/src/drumgizmo.cc index 0337fae..2370d43 100644 --- a/src/drumgizmo.cc +++ b/src/drumgizmo.cc @@ -36,6 +36,8 @@ #include <hugin.hpp> +#include <config.h> + #include "drumkitparser.h" #include "audioinputenginemidi.h" #include "configuration.h" @@ -55,6 +57,8 @@ bool DrumGizmo::loadkit(std::string file) { if(file == "") return 1; + printf("loadkit() go\n"); + DEBUG(drumgizmo, "loadkit(%s)\n", file.c_str()); // Remove all queue AudioFiles from loader before we actually delete them. @@ -66,12 +70,23 @@ bool DrumGizmo::loadkit(std::string file) DrumKitParser parser(file, kit); if(parser.parse()) { ERR(drumgizmo, "Drumkit parser failed: %s\n", file.c_str()); - return false; + printf("loadkit() parser failed\n"); + return false; } loader.loadKit(&kit); +#ifdef WITH_RESAMPLER + unsigned int output_fs = kit.samplerate(); + if(oe->samplerate() != UNKNOWN_SAMPLERATE) output_fs = oe->samplerate(); + for(int i = 0; i < MAX_NUM_CHANNELS; i++) { + resampler[i].setup(kit.samplerate(), output_fs); + } +#endif/*WITH_RESAMPLER*/ + + DEBUG(loadkit, "loadkit: Success\n"); + printf("loadkit() done\n"); return true; } @@ -157,6 +172,7 @@ void DrumGizmo::handleMessage(Message *msg) bool DrumGizmo::run(size_t pos, sample_t *samples, size_t nsamples) { + // printf("."); fflush(stdout); // Handle engine messages, at most one in each iteration: handleMessages(1); @@ -239,7 +255,7 @@ bool DrumGizmo::run(size_t pos, sample_t *samples, size_t nsamples) } else { //DEBUG(drumgizmo, "Adding event %d.\n", evs[e].offset); Event *evt = new EventSample(ch.num, 1.0, af, i->group(), i); - evt->offset = evs[e].offset + pos; + evt->offset = (evs[e].offset + pos) * resampler[0].ratio(); activeevents[ch.num].push_back(evt); } j++; @@ -254,10 +270,11 @@ bool DrumGizmo::run(size_t pos, sample_t *samples, size_t nsamples) free(evs); - // // Write audio // +#ifndef WITH_RESAMPLER + // No resampling needed for(size_t c = 0; c < kit.channels.size(); c++) { sample_t *buf = samples; bool internal = false; @@ -269,9 +286,49 @@ bool DrumGizmo::run(size_t pos, sample_t *samples, size_t nsamples) memset(buf, 0, nsamples * sizeof(sample_t)); getSamples(c, pos, buf, nsamples); + if(!internal) oe->run(c, samples, nsamples); } } +#else/*WITH_RESAMPLER*/ + // Resampling needed + + // + // NOTE: Channels must be processed one buffer at a time on all channels in + // parallel - NOT all buffers on one channel and then all buffer on the next + // one since this would mess up the event queue (it would jump back and forth + // in time) + // + + // Prepare output buffer + for(size_t c = 0; c < kit.channels.size(); c++) { + resampler[c].setOutputSamples(resampler_output_buffer[c], nsamples); + } + + // Process channel data + size_t kitpos = pos * resampler[0].ratio(); + //printf("ratio: %f\n", resampler[c].ratio()); + while(resampler[0].getOutputSampleCount() > 0) { + for(size_t c = 0; c < kit.channels.size(); c++) { + if(resampler[c].getInputSampleCount() == 0) { + sample_t *sin = resampler_input_buffer[c]; + size_t insize = sizeof(resampler_input_buffer[c]) / sizeof(sample_t); + memset(resampler_input_buffer[c], 0, + sizeof(resampler_input_buffer[c])); + getSamples(c, kitpos, sin, insize); + kitpos += insize; + + resampler[c].setInputSamples(sin, insize); + } + resampler[c].process(); + } + } + + // Write output data to output engine. + for(size_t c = 0; c < kit.channels.size(); c++) { + oe->run(c, resampler_output_buffer[c], nsamples); + } +#endif/*WITH_RESAMPLER*/ ie->post(); oe->post(nsamples); @@ -300,6 +357,7 @@ void DrumGizmo::run(int endpos) free(samples); } +#undef SSE #ifdef SSE #define N 8 @@ -332,7 +390,7 @@ void DrumGizmo::getSamples(int ch, int pos, sample_t *s, size_t sz) size_t n = 0; if(evt->offset > (size_t)pos) n = evt->offset - pos; size_t end = sz; - if(evt->t + end - n > af->size) end = af->size - evt->t + n; + if((evt->t + end - n) > af->size) end = af->size - evt->t + n; if(end > sz) end = sz; if(evt->rampdown == NO_RAMPDOWN) { |