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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/midi/midi_manager.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
namespace media {
#if !defined(OS_MACOSX) && !defined(OS_WIN)
// TODO(crogers): implement MIDIManager for other platforms.
MIDIManager* MIDIManager::Create() {
return NULL;
}
#endif
MIDIManager::MIDIManager()
: initialized_(false) {
}
MIDIManager::~MIDIManager() {
}
bool MIDIManager::StartSession(MIDIManagerClient* client) {
// Lazily initialize the MIDI back-end.
if (!initialized_)
initialized_ = Initialize();
if (initialized_) {
base::AutoLock auto_lock(clients_lock_);
clients_.insert(client);
}
return initialized_;
}
void MIDIManager::EndSession(MIDIManagerClient* client) {
base::AutoLock auto_lock(clients_lock_);
ClientList::iterator i = clients_.find(client);
if (i != clients_.end())
clients_.erase(i);
}
void MIDIManager::AddInputPort(const MIDIPortInfo& info) {
input_ports_.push_back(info);
}
void MIDIManager::AddOutputPort(const MIDIPortInfo& info) {
output_ports_.push_back(info);
}
void MIDIManager::ReceiveMIDIData(
uint32 port_index,
const uint8* data,
size_t length,
double timestamp) {
base::AutoLock auto_lock(clients_lock_);
for (ClientList::iterator i = clients_.begin(); i != clients_.end(); ++i)
(*i)->ReceiveMIDIData(port_index, data, length, timestamp);
}
} // namespace media
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