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fix audio data overflow

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This commit is contained in:
Terrence
2024-10-25 12:25:22 +08:00
parent 2833142870
commit 357cd95693
1 changed files with 8 additions and 1 deletions
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9
main/AudioDevice.cc
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@@ -155,7 +155,14 @@ int AudioDevice::Write(const int16_t* data, int samples) {
// volume_factor_: 0-65536 // volume_factor_: 0-65536
int32_t volume_factor = pow(double(output_volume_) / 100.0, 2) * 65536; int32_t volume_factor = pow(double(output_volume_) / 100.0, 2) * 65536;
for (int i = 0; i < samples; i++) { for (int i = 0; i < samples; i++) {
buffer[i] = int32_t(data[i]) * volume_factor; int64_t temp = int64_t(data[i]) * volume_factor; // 使用 int64_t 进行乘法运算
if (temp > INT32_MAX) {
buffer[i] = INT32_MAX;
} else if (temp < INT32_MIN) {
buffer[i] = INT32_MIN;
} else {
buffer[i] = static_cast<int32_t>(temp);
}
} }
size_t bytes_written; size_t bytes_written;