C# 引发异常:读取访问冲突。这是0xBF13D000
我有一个相当令人困惑的问题,一个过去一直有效的程序现在每次重新启动只工作一次,当再次运行它时,我被授予:C# 引发异常:读取访问冲突。这是0xBF13D000,c#,c++,c,memory,null,C#,C++,C,Memory,Null,我有一个相当令人困惑的问题,一个过去一直有效的程序现在每次重新启动只工作一次,当再次运行它时,我被授予: Exception thrown: read access violation. this was 0xBF13D000. 我已经扩展了一个带有C导出的C++项目,所以我可以从C ^:< /p>使用它。 C出口: KeyFinder::AudioData* new_audio_data(const unsigned frame_rate, const unsigned channels,
Exception thrown: read access violation. this was 0xBF13D000.
我已经扩展了一个带有C导出的C++项目,所以我可以从C ^:< /p>使用它。 C出口:
KeyFinder::AudioData* new_audio_data(const unsigned frame_rate, const unsigned channels, const unsigned samples)
{
auto audio_data = new KeyFinder::AudioData();
audio_data->setFrameRate(frame_rate);
audio_data->setChannels(channels);
audio_data->addToSampleCount(samples);
return audio_data;
}
void audio_data_set_sample(KeyFinder::AudioData* audio_data, const unsigned index, const double value)
{
audio_data->setSample(index, value);
}
void keyfinder_progressive_chromagram(KeyFinder::KeyFinder* key_finder, KeyFinder::AudioData* audio_data, KeyFinder::Workspace* workspace)
{
key_finder->progressiveChromagram(*audio_data, *workspace);
}
KeyFinder::key_t keyfinder_key_of_chromagram(KeyFinder::KeyFinder* key_finder, KeyFinder::Workspace* workspace)
{
return key_finder->keyOfChromagram(*workspace);
}
enum key_t {
A_MAJOR = 0,
A_MINOR,
B_FLAT_MAJOR,
B_FLAT_MINOR,
B_MAJOR,
B_MINOR = 5,
C_MAJOR,
C_MINOR,
D_FLAT_MAJOR,
D_FLAT_MINOR,
D_MAJOR = 10,
D_MINOR,
E_FLAT_MAJOR,
E_FLAT_MINOR,
E_MAJOR,
E_MINOR = 15,
F_MAJOR,
F_MINOR,
G_FLAT_MAJOR,
G_FLAT_MINOR,
G_MAJOR = 20,
G_MINOR,
A_FLAT_MAJOR,
A_FLAT_MINOR,
SILENCE = 24
};
C#声明:
[DllImport("libKeyFinder", CallingConvention = CallingConvention.Cdecl)]
private static extern IntPtr new_audio_data(
uint frameRate, uint channels, uint samples);
[DllImport("libKeyFinder", CallingConvention = CallingConvention.Cdecl)]
private static extern void audio_data_set_sample(
IntPtr audioData, uint index, double value);
[DllImport("libKeyFinder", CallingConvention = CallingConvention.Cdecl)]
private static extern void keyfinder_progressive_chromagram(IntPtr keyFinder, IntPtr audioData, IntPtr workspace);
[DllImport("libKeyFinder", CallingConvention = CallingConvention.Cdecl)]
private static extern Key keyfinder_key_of_chromagram(IntPtr keyFinder, IntPtr workspace);
public enum Key
{
AMajor = 0,
AMinor,
BFlatMajor,
BFlatMinor,
BMajor,
BMinor = 5,
CMajor,
CMinor,
DFlatMajor,
DFlatMinor,
DMajor = 10,
DMinor,
EFlatMajor,
EFlatMinor,
EMajor,
EMinor = 15,
FMajor,
FMinor,
GFlatMajor,
GFlatMinor,
GMajor = 20,
GMinor,
AFlatMajor,
AFlatMinor,
Silence = 24
}
C#用法:
真正令人费解的是,当我调试它时,在C部分:SetSample.\u audioData
中已经可以看到看似已处理/销毁的指针。最初,当从C调用new_audio_data
时,我会得到一个有效指针,如0x032fe940
,但由于某种原因,它会变成0xBF13D000
。请注意,它总是成为值0xBF13D000
,因此我在网上搜索了有关该值的信息,希望找到它,但没有成功
正如我所说,该程序没有任何改动,因此我完全不知道是什么原因造成了这种情况。尝试为音频数据添加volatile
事实证明,一些本机库需要全部使用相同的编译器版本重建,现在它可以完美地工作 您是否安装了使用声卡的新软件?或者从任何设备进行采样?在带有
SetSample
的类中是否有终结器?@granny最近没有任何东西,我从本地WAV文件中获取样本数据。@Evk是的,我有终结器,设置了断点但从未命中。@Evk我刚刚注释掉了所有与dispose模式相关的代码,但这没有改变任何内容:(不幸的是,这没有帮助:(
public void SetSample(uint index, double value)
{
audio_data_set_sample(_audioData, index, value);
}