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Viewing changes to libecasound/audio-stamp.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Junichi Uekawa
  • Date: 2005-04-14 09:15:48 UTC
  • Revision ID: james.westby@ubuntu.com-20050414091548-o7kgb47z0tcunh0s
Tags: upstream-2.4.1
Import upstream version 2.4.1

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libecasound/audio-stamp.cpp
 
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// ------------------------------------------------------------------------
 
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// audio-stamp.cpp: Classes for handling audio stamps and their clients
 
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// Copyright (C) 2000 Kai Vehmanen
 
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//
 
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// This program is free software; you can redistribute it and/or modify
 
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// it under the terms of the GNU General Public License as published by
 
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// the Free Software Foundation; either version 2 of the License, or
 
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// (at your option) any later version.
 
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// 
 
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// This program is distributed in the hope that it will be useful,
 
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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// GNU General Public License for more details.
 
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// 
 
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// You should have received a copy of the GNU General Public License
 
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// along with this program; if not, write to the Free Software
 
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
 
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// ------------------------------------------------------------------------
 
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#include "audio-stamp.h"
 
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AUDIO_STAMP::AUDIO_STAMP(void) 
 
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  : id_rep(0),
 
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    id_set_rep(false) { }
 
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int AUDIO_STAMP::id(void) const { return(id_rep); }
 
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void AUDIO_STAMP::set_id(int n) {
 
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  id_rep = n;
 
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  id_set_rep = true;
 
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}
 
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void AUDIO_STAMP::store(const SAMPLE_BUFFER* x) {
 
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  buffer_rep.length_in_samples(x->length_in_samples());
 
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  buffer_rep.number_of_channels(x->number_of_channels());
 
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  buffer_rep.copy(*x);
 
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}
 
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void AUDIO_STAMP::fetch_stamp(SAMPLE_BUFFER* x) {
 
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  x->length_in_samples(buffer_rep.length_in_samples());
 
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  x->number_of_channels(buffer_rep.number_of_channels());
 
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  x->copy(buffer_rep);
 
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}
 
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void AUDIO_STAMP_SERVER::register_stamp(AUDIO_STAMP* stamp) {
 
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  stamp_map_rep[stamp->id()] = stamp;
 
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}
 
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void AUDIO_STAMP_SERVER::fetch_stamp(int id, SAMPLE_BUFFER* x) {
 
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  if (stamp_map_rep.find(id) == stamp_map_rep.end()) {
 
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    x->make_silent();
 
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    // std::cerr << "(as-server) Making silent!" << std::endl;
 
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  }
 
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  else {
 
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    AUDIO_STAMP* p = stamp_map_rep[id];
 
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    p->fetch_stamp(x);
 
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//      cerr << "(as-server) fetch stamp from id " << p->id() << "." << endl;
 
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  }
 
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}
 
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AUDIO_STAMP_CLIENT::AUDIO_STAMP_CLIENT(void) 
 
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  : id_rep(0),
 
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    id_set_rep(false),
 
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    server_repp(0) { }
 
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int AUDIO_STAMP_CLIENT::id(void) const { return(id_rep); }
 
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void AUDIO_STAMP_CLIENT::set_id(int n) {
 
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  id_rep = n;
 
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  id_set_rep = true;
 
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}
 
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void AUDIO_STAMP_CLIENT::fetch_stamp(SAMPLE_BUFFER* x) {
 
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  if (server_repp != 0) {
 
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    server_repp->fetch_stamp(id(), x);
 
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//      cerr << "(as-client) fetch stamp id " << id() << "." << endl;
 
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  }
 
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  else {
 
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//      cerr << "(as-client) Making silent!" << endl;
 
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    x->make_silent();
 
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  }
 
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}
 
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void AUDIO_STAMP_CLIENT::register_server(AUDIO_STAMP_SERVER* server) {
 
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  server_repp = server;
 
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}