本文整理汇总了C++中String::ExtractExt方法的典型用法代码示例。如果您正苦于以下问题：C++ String::ExtractExt方法的具体用法？C++ String::ExtractExt怎么用？C++ String::ExtractExt使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类String的用法示例。
在下文中一共展示了String::ExtractExt方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: File
AudioBuffer::AudioBuffer(const String &filename) {
if (filename.ExtractExt() == "wav") {
m_alBuffer = 0;
File * file = new File(filename, FILE_READ);
int32 chunkId = file->ReadInt();
int32 riffChunkSize = file->ReadInt();
int32 format = file->ReadInt();
int32 subChunkId = file->ReadInt();
int32 fmtChunkSize = file->ReadInt();
int16 audioFormat = file->ReadInt16();
int16 channels = file->ReadInt16();
int32 sampleRate = file->ReadInt();
int32 byteRate = file->ReadInt();
int16 blockAlign = file->ReadInt16();
int16 bitsPerSample = file->ReadInt16();
if (fmtChunkSize > 16) {
int16 extraParamsSize = file->ReadInt16();
file->Seek(file->Pos() + extraParamsSize);
}
char text[5] = "";
file->ReadBytes(text, 4);
while (String(text) != "data" && !file->Eof()) {
file->ReadBytes(text, 4);
if (String(text) == "data")
break;
file->Seek(file->Pos() + 4);
}
int32 dataSize = file->ReadInt();
uint32 * data = (uint32 *)malloc(dataSize);
file->ReadBytes(data, dataSize);
ALenum bufferFormat;
if (bitsPerSample == 8) {
if (channels == 1)
bufferFormat = AL_FORMAT_MONO8;
else
bufferFormat = AL_FORMAT_STEREO8;
}
else {
if (channels == 1)
bufferFormat = AL_FORMAT_MONO16;
else
bufferFormat = AL_FORMAT_STEREO16;
}
alGenBuffers(1, &m_alBuffer);
alBufferData(m_alBuffer, bufferFormat, data, dataSize, sampleRate);
delete file;
free(data);
} else if (filename.ExtractExt() == "ogg") {
stb_vorbis * file = stb_vorbis_open_filename(filename.ToCString(), nullptr, nullptr);
if (file) {
stb_vorbis_info info = stb_vorbis_get_info(file);
uint32 size = stb_vorbis_stream_length_in_samples(file) * info.channels;
int16 * buffer = (int16 *)malloc(size * sizeof(int16));
stb_vorbis_get_samples_short_interleaved(file, info.channels, buffer, size);
alGenBuffers(1, &m_alBuffer);
ALenum bufferFormat;
if (info.channels == 1)
bufferFormat = AL_FORMAT_MONO16;
else
bufferFormat = AL_FORMAT_STEREO16;
alBufferData(m_alBuffer, bufferFormat, buffer, size, info.sample_rate);
stb_vorbis_close(file);
free(buffer);
}
}
}示例2: file
AudioBuffer::AudioBuffer(const String & filename):alBuffer(0)
{
if (filename.ExtractExt() == "wav") {
alGenBuffers(1, &alBuffer);
File file(filename, FILE_READ);
file.Seek(16);
uint32 fmtChunkSize;
file.ReadBytes(&fmtChunkSize, 4);
uint16 audioFormat;
file.ReadBytes(&audioFormat, 2);
uint16 channels;
file.ReadBytes(&channels, 2);
file.Seek(24);
uint32 sampleRate;
file.ReadBytes(&sampleRate, 4);
file.Seek(34);
uint16 bitsPerSample;
file.ReadBytes(&bitsPerSample, 2);
uint16 extraParamSize;
if (fmtChunkSize != 16) {
file.ReadBytes(&extraParamSize, 2);
file.Seek(38 + extraParamSize);
}
char texto[5];
texto[4] = '\0';
while (String(texto) != "data") {
file.ReadBytes(texto, 4);
}
uint32 dataSize;
uint32* data;
file.ReadBytes(&dataSize, 4);
data = (uint32*)malloc(dataSize);
file.ReadBytes(data, dataSize);
ALenum format;
if (bitsPerSample == 8) {
if (channels == 1) {
format = AL_FORMAT_MONO8;
}
else {
format = AL_FORMAT_STEREO8;
}
}
if (bitsPerSample == 16) {
if (channels == 1) {
format = AL_FORMAT_MONO16;
}
else {
format = AL_FORMAT_STEREO16;
}
}
alBufferData(alBuffer, format, data, dataSize, sampleRate);
free(data);
}
else if (filename.ExtractExt() == "ogg") {
stb_vorbis* stb_vorbis;
stb_vorbis = stb_vorbis_open_filename(filename.ToCString(), nullptr, nullptr);
if (stb_vorbis == nullptr) return;
stb_vorbis_info info = stb_vorbis_get_info(stb_vorbis);
uint32 dataSize = stb_vorbis_stream_length_in_samples(stb_vorbis) * info.channels;
int16* buffer = (int16*)malloc(dataSize * sizeof(uint16));
stb_vorbis_get_samples_short_interleaved(stb_vorbis, info.channels,(short *) buffer, dataSize);
alGenBuffers(1, &alBuffer);
ALenum format;
if (info.channels == 1) {
format = AL_FORMAT_MONO16;
}
else {
format = AL_FORMAT_STEREO16;
}
alBufferData(alBuffer, format, buffer, dataSize * sizeof(int16), info.sample_rate);
free(buffer);
stb_vorbis_close(stb_vorbis);
}
}