cinelerra/aattachmentpoint.C

   1 #include "aattachmentpoint.h"
   2 #include "datatype.h"
   3 #include "edl.h"
   4 #include "edlsession.h"
   5 #include "playbackconfig.h"
   6 #include "plugin.h"
   7 #include "pluginserver.h"
   8 #include "renderengine.h"
   9 #include "transportque.h"
  10
  11 AAttachmentPoint::AAttachmentPoint(RenderEngine *renderengine, Plugin *plugin)
  12 : AttachmentPoint(renderengine, plugin, TRACK_AUDIO)
  13 {
  14         buffer_vector = 0;
  15         buffer_allocation = 0;
  16 }
  17
  18 AAttachmentPoint::~AAttachmentPoint()
  19 {
  20         delete_buffer_vector();
  21 }
  22
  23 void AAttachmentPoint::delete_buffer_vector()
  24 {
  25         if(buffer_vector)
  26         {
  27                 for(int i = 0; i < virtual_plugins.total; i++)
  28                         delete [] buffer_vector[i];
  29                 delete [] buffer_vector;
  30         }
  31         buffer_vector = 0;
  32         buffer_allocation = 0;
  33 }
  34
  35 void AAttachmentPoint::new_buffer_vector(int total, int size)
  36 {
  37         if(buffer_vector && size > buffer_allocation)
  38                 delete_buffer_vector();
  39
  40         if(!buffer_vector)
  41         {
  42                 buffer_allocation = size;
  43                 buffer_vector = new double*[virtual_plugins.total];
  44                 for(int i = 0; i < virtual_plugins.total; i++)
  45                 {
  46                         buffer_vector[i] = new double[buffer_allocation];
  47                 }
  48         }
  49 }
  50
  51 int AAttachmentPoint::get_buffer_size()
  52 {
  53         return renderengine->config->aconfig->fragment_size;
  54 // must be greater than value audio_read_length, calculated in PackageRenderer::create_engine
  55 // if it is not, plugin's PluginClient::in_buffer_size is below the real maximum and
  56 // we get a crush on rendering of audio plugins!
  57 //      int audio_read_length = renderengine->command->get_edl()->session->sample_rate;
  58 //      int fragment_size = renderengine->config->aconfig->fragment_size;
  59 //      if(audio_read_length > fragment_size)
  60 //              return audio_read_length;
  61 //      else
  62 //              return fragment_size;
  63 }
  64
  65 void AAttachmentPoint::render(double *output,
  66         int buffer_number,
  67         int64_t start_position,
  68         int64_t len,
  69         int64_t sample_rate)
  70 {
  71         if(!plugin_server || !plugin->on) return;
  72
  73         if(plugin_server->multichannel)
  74         {
  75 // Test against previous parameters for reuse of previous data
  76                 if(is_processed &&
  77                         this->start_position == start_position &&
  78                         this->len == len &&
  79                         this->sample_rate == sample_rate)
  80                 {
  81                         memcpy(output, buffer_vector[buffer_number], sizeof(double) * len);
  82                         return;
  83                 }
  84
  85 // Update status
  86                 this->start_position = start_position;
  87                 this->len = len;
  88                 this->sample_rate = sample_rate;
  89                 is_processed = 1;
  90
  91 // Allocate buffer vector
  92                 new_buffer_vector(virtual_plugins.total, len);
  93
  94 // Create temporary buffer vector with output argument substituted in
  95                 double **output_temp = new double*[virtual_plugins.total];
  96                 for(int i = 0; i < virtual_plugins.total; i++)
  97                 {
  98                         if(i == buffer_number)
  99                                 output_temp[i] = output;
 100                         else
 101                                 output_temp[i] = buffer_vector[i];
 102                 }
 103
 104 // Process plugin
 105                 plugin_servers.values[0]->process_buffer(output_temp,
 106                         start_position,
 107                         len,
 108                         sample_rate,
 109                         plugin->length *
 110                                 sample_rate /
 111                                 renderengine->edl->session->sample_rate,
 112                         renderengine->command->get_direction());
 113
 114 // Delete temporary buffer vector
 115                 delete [] output_temp;
 116         }
 117         else
 118         {
 119 // Process plugin
 120                 double *output_temp[1];
 121                 output_temp[0] = output;
 122 //printf("AAttachmentPoint::render 1\n");
 123                 plugin_servers.values[buffer_number]->process_buffer(output_temp,
 124                         start_position,
 125                         len,
 126                         sample_rate,
 127                         plugin->length *
 128                                 sample_rate /
 129                                 renderengine->edl->session->sample_rate,
 130                         renderengine->command->get_direction());
 131 //printf("AAttachmentPoint::render 10\n");
 132         }
 133 }
 134
 135
 136 /*
 137 //      Local Variables:
 138 //      mode: C++
 139 //      c-file-style: "linux"
 140 //      End:
 141 */