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// Copyright (c) 2011 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/base/media_format.h"
namespace media {
const char MediaFormat::kURL[] = "URL";
const char MediaFormat::kSurfaceFormat[] = "SurfaceFormat";
const char MediaFormat::kSurfaceType[] = "SurfaceType";
const char MediaFormat::kSampleRate[] = "SampleRate";
const char MediaFormat::kSampleBits[] = "SampleBits";
const char MediaFormat::kChannels[] = "Channels";
const char MediaFormat::kWidth[] = "Width";
const char MediaFormat::kHeight[] = "Height";
MediaFormat::MediaFormat() {}
MediaFormat::~MediaFormat() {
Clear();
}
bool MediaFormat::Contains(const std::string& key) const {
return value_map_.find(key) != value_map_.end();
}
void MediaFormat::Clear() {
for (ValueMap::iterator iter(value_map_.begin());
iter != value_map_.end(); ++iter)
delete iter->second;
value_map_.clear();
}
void MediaFormat::SetAsBoolean(const std::string& key, bool in_value) {
ReleaseValue(key);
value_map_[key] = Value::CreateBooleanValue(in_value);
}
void MediaFormat::SetAsInteger(const std::string& key, int in_value) {
ReleaseValue(key);
value_map_[key] = Value::CreateIntegerValue(in_value);
}
void MediaFormat::SetAsReal(const std::string& key, double in_value) {
ReleaseValue(key);
value_map_[key] = Value::CreateDoubleValue(in_value);
}
void MediaFormat::SetAsString(const std::string& key,
const std::string& in_value) {
ReleaseValue(key);
value_map_[key] = Value::CreateStringValue(in_value);
}
bool MediaFormat::GetAsBoolean(const std::string& key, bool* out_value) const {
Value* value = GetValue(key);
return value != NULL && value->GetAsBoolean(out_value);
}
bool MediaFormat::GetAsInteger(const std::string& key, int* out_value) const {
Value* value = GetValue(key);
return value != NULL && value->GetAsInteger(out_value);
}
bool MediaFormat::GetAsReal(const std::string& key, double* out_value) const {
Value* value = GetValue(key);
return value != NULL && value->GetAsDouble(out_value);
}
bool MediaFormat::GetAsString(const std::string& key,
std::string* out_value) const {
Value* value = GetValue(key);
return value != NULL && value->GetAsString(out_value);
}
Value* MediaFormat::GetValue(const std::string& key) const {
ValueMap::const_iterator value_iter = value_map_.find(key);
return (value_iter == value_map_.end()) ? NULL : value_iter->second;
}
void MediaFormat::ReleaseValue(const std::string& key) {
ValueMap::iterator vm = value_map_.find(key);
if (vm != value_map_.end()) {
delete vm->second;
}
}
bool MediaFormat::operator==(MediaFormat const& other) const {
return value_map_ == other.value_map_;
}
} // namespace media
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