New input/output plugin architecture. New LV2 plugin.

1 files changed, 0 insertions, 194 deletions

diff --git a/src/audiooutputenginealsa.cc b/src/audiooutputenginealsa.cc
deleted file mode 100644
index 635cf70..0000000
--- a/src/audiooutputenginealsa.cc
+++ /dev/null
@@ -1,194 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/***************************************************************************
- *            audiooutputenginealsa.cc
- *
- *  Thu Sep 16 11:22:52 CEST 2010
- *  Copyright 2010 Bent Bisballe Nyeng
- *  deva@aasimon.org
- ****************************************************************************/
-
-/*
- *  This file is part of DrumGizmo.
- *
- *  DrumGizmo is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  DrumGizmo is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with DrumGizmo; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
- */
-#include "audiooutputenginealsa.h"
-
-#include "drumgizmo.h"
-
-#include <string>
-#include <math.h>
-#include <sys/time.h>
-
-#define T(x, msg) if(x < 0) { printf("%s failed: %s\n", msg, snd_strerror(x)); fflush(stdout); return false; }
-#define T_(x, msg) if(x < 0) { printf("%s failed: %s\n", msg, snd_strerror(x)); fflush(stdout); return; }
-
-AudioOutputEngineAlsa::AudioOutputEngineAlsa()
-{
-  printf("AudioOutputEngineAlsa\n");
-	int rc;
-
-  std::string pcmname = "default";
-
-  rc = snd_pcm_open(&handle, pcmname.c_str(),
-                    SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
-  T_(rc, "snd_pcm_open");
-}
-
-AudioOutputEngineAlsa::~AudioOutputEngineAlsa()
-{
-  printf("~AudioOutputEngineAlsa\n");
-  if(handle) snd_pcm_close(handle);
-}
-
-bool AudioOutputEngineAlsa::init(Channels *channels)
-{
-  this->channels = channels;
-
-  if(!handle) {
-    printf("No handle!\n");
-    return false;
-  }
-
-  int rc;
-  unsigned int srate = 44100;
-  snd_pcm_uframes_t frames = 32;
-
-  // Allocate a hardware parameters object.
-  snd_pcm_hw_params_alloca(&params);
-  //  if(rc < 0) return false;
-
-  // Fill it in with default values.
-  rc = snd_pcm_hw_params_any(handle, params);
-  T(rc, "snd_pcm_hw_params_any");
-
-  rc = snd_pcm_hw_params_set_access(handle, params,
-                                    SND_PCM_ACCESS_MMAP_NONINTERLEAVED);
-  T(rc, "snd_pcm_hw_params_set_access");
-
-  rc = snd_pcm_hw_params_set_format(handle, params, SND_PCM_FORMAT_FLOAT);
-  T(rc, "snd_pcm_hw_params_set_format");
-
-  rc = snd_pcm_hw_params_set_channels(handle, params, channels->size());
-  T(rc, "snd_pcm_hw_params_set_channels");
-
-  rc = snd_pcm_hw_params_set_rate_near(handle, params, &srate, 0);
-  T(rc, "snd_pcm_hw_params_set_rate_near");
-
-  rc = snd_pcm_hw_params_set_period_size_near(handle, params, &frames, 0);
-  T(rc, "snd_pcm_hw_params_set_period_size_near");
-
-  rc = snd_pcm_hw_params(handle, params);
-  T(rc, "snd_pcm_hw_params");
-
-  // SW Params:
-  /*
-    rc = snd_pcm_sw_params_current(pcm, sw);
-    rc = snd_pcm_sw_params_set_start_threshold(pcm, sw, ~0U);
-    rc = snd_pcm_sw_params_set_stop_threshold(pcm, sw, ~0U);
-    rc = snd_pcm_sw_params(pcm, sw);
-    rc = snd_pcm_hw_params_get_buffer_size(hw, &buffer_size);
-  */
-
-  channels_t nchannels;
-  rc = snd_pcm_hw_params_get_channels(params, &nchannels);
-  printf("channels: %d rc: %d\n", nchannels, rc);
-  T(rc, "snd_pcm_hw_params_get_channels");
-  if(nchannels != channels->size()) return false;
-
-  channel_t c = 0;
-  Channels::iterator i = channels->begin();
-  while(i != channels->end()) {
-    i->num = c;
-
-    i++;
-    c++;
-  }
-
-  return true;
-}
-
-#define MICRO 1000000
-void AudioOutputEngineAlsa::run(DrumGizmo *drumgizmo)
-{
-  int rc;
-
-  snd_pcm_uframes_t nframes;
-
-  while(drumgizmo->isRunning()) {
-    timeval tim;
-    gettimeofday(&tim, NULL);
-    useconds_t t1 = tim.tv_sec * MICRO + tim.tv_usec;
-
-    snd_pcm_uframes_t offset = 0;
-
-    //    unsigned int nchannels = 2;
-    //    rc = snd_pcm_hw_params_get_channels(params, &nchannels);
-    //    printf("channels: %d rc: %d\n", nchannels, rc);
-    //    T_(rc, "snd_pcm_hw_params_get_channels");
-    nframes = snd_pcm_avail_update(handle);
-    //    printf("%d\n", rc);
-    //    T_(rc, "snd_pcm_avail_update");
-
-    //  rc = snd_pcm_hw_params_get_buffer_size(params, &nframes);
-    //  T_(rc, "nd_pcm_hw_params_get_buffer_size");
-  
-    //    nframes = 960;
-
-    const snd_pcm_channel_area_t *areas;
-    rc = snd_pcm_mmap_begin(handle, &areas, &offset, &nframes);
-    T_(rc, "snd_pcm_mmap_begin");
-
-    drumgizmo->pre((size_t)nframes);
-
-    Channels::iterator i = channels->begin();
-    while(i != channels->end()) {
-      const snd_pcm_channel_area_t *a = &areas[i->num];
-      sample_t *p = (sample_t*)a->addr + offset;
-      memset(p, 0, nframes * sizeof(sample_t));
-      drumgizmo->getSamples(&(*i), p, (size_t)nframes);
-
-      i++;
-    }
-    drumgizmo->post((size_t)nframes);
-
-    switch(snd_pcm_state(handle)) {
-    case SND_PCM_STATE_PREPARED:
-      rc = snd_pcm_mmap_commit(handle, offset, nframes);
-      T_(rc, "snd_pcm_mmap_commit");
-      rc = snd_pcm_start(handle);
-      T_(rc, "snd_pcm_start");
-      break;
-    case SND_PCM_STATE_RUNNING:
-      rc = snd_pcm_mmap_commit(handle, offset, nframes);
-      T_(rc, "snd_pcm_mmap_commit");
-      break;
-    default:
-      break;
-    }
-
-    useconds_t msec = ((useconds_t)nframes * MICRO)/44100;
-
-    gettimeofday(&tim, NULL);
-    useconds_t t2 = tim.tv_sec * MICRO + tim.tv_usec;
-
-    struct timespec slp;
-    slp.tv_sec = 0;
-    slp.tv_nsec = (msec - (t2 - t1)) * 1000;
-
-    nanosleep(&slp, NULL);
-
-  }
-}