bool OGG::Decode (Resource *resource, AudioBuffer *audioBuffer) {
OggVorbis_File oggFile;
Bytes *data = NULL;
OAL_OggMemoryFile fakeFile;
if (resource->path) {
FILE_HANDLE *file = lime::fopen (resource->path, "rb");
if (!file) {
return false;
}
if (file->isFile ()) {
if (ov_open (file->getFile (), &oggFile, NULL, file->getLength ()) != 0) {
lime::fclose (file);
return false;
}
} else {
lime::fclose (file);
data = new Bytes (resource->path);
fakeFile = OAL_OggMemoryFile ();
fakeFile.data = data->Data ();
fakeFile.size = data->Length ();
fakeFile.pos = 0;
if (ov_open_callbacks (&fakeFile, &oggFile, NULL, 0, OAL_CALLBACKS_BUFFER) != 0) {
delete data;
return false;
}
}
} else {
fakeFile = OAL_OggMemoryFile ();
fakeFile.data = resource->data->Data ();
fakeFile.size = resource->data->Length ();
fakeFile.pos = 0;
if (ov_open_callbacks (&fakeFile, &oggFile, NULL, 0, OAL_CALLBACKS_BUFFER) != 0) {
return false;
}
}
// 0 for Little-Endian, 1 for Big-Endian
#ifdef HXCPP_BIG_ENDIAN
#define BUFFER_READ_TYPE 1
#else
#define BUFFER_READ_TYPE 0
#endif
int bitStream;
long bytes = 1;
int totalBytes = 0;
#define BUFFER_SIZE 4096
vorbis_info *pInfo = ov_info (&oggFile, -1);
if (pInfo == NULL) {
//LOG_SOUND("FAILED TO READ OGG SOUND INFO, IS THIS EVEN AN OGG FILE?\n");
ov_clear (&oggFile);
if (data) {
delete data;
}
return false;
}
audioBuffer->channels = pInfo->channels;
audioBuffer->sampleRate = pInfo->rate;
audioBuffer->bitsPerSample = 16;
int dataLength = ov_pcm_total (&oggFile, -1) * audioBuffer->channels * audioBuffer->bitsPerSample / 8;
audioBuffer->data->Resize (dataLength);
while (bytes > 0) {
bytes = ov_read (&oggFile, (char *)audioBuffer->data->Data () + totalBytes, BUFFER_SIZE, BUFFER_READ_TYPE, 2, 1, &bitStream);
totalBytes += bytes;
}
if (dataLength != totalBytes) {
audioBuffer->data->Resize (totalBytes);
}
ov_clear (&oggFile);
#undef BUFFER_READ_TYPE
if (data) {
delete data;
}
return true;
}
bool JPEG::Decode (Resource *resource, ImageBuffer* imageBuffer, bool decodeData) {
struct jpeg_decompress_struct cinfo;
//struct jpeg_error_mgr jerr;
//cinfo.err = jpeg_std_error (&jerr);
struct ErrorData jpegError;
cinfo.err = jpeg_std_error (&jpegError.base);
jpegError.base.error_exit = OnError;
jpegError.base.output_message = OnOutput;
FILE_HANDLE *file = NULL;
if (resource->path) {
file = lime::fopen (resource->path, "rb");
if (!file) {
return false;
}
}
if (setjmp (jpegError.on_error)) {
if (file) {
lime::fclose (file);
}
jpeg_destroy_decompress (&cinfo);
return false;
}
jpeg_create_decompress (&cinfo);
if (file) {
if (file->isFile ()) {
jpeg_stdio_src (&cinfo, file->getFile ());
} else {
Bytes data = Bytes (resource->path);
MySrcManager manager (data.Data (), data.Length ());
cinfo.src = &manager.pub;
}
} else {
MySrcManager manager (resource->data->Data (), resource->data->Length ());
cinfo.src = &manager.pub;
}
bool decoded = false;
if (jpeg_read_header (&cinfo, TRUE) == JPEG_HEADER_OK) {
cinfo.out_color_space = JCS_RGB;
if (decodeData) {
jpeg_start_decompress (&cinfo);
int components = cinfo.output_components;
imageBuffer->Resize (cinfo.output_width, cinfo.output_height, 32);
unsigned char *bytes = imageBuffer->data->Data ();
unsigned char *scanline = new unsigned char [imageBuffer->width * imageBuffer->height * components];
while (cinfo.output_scanline < cinfo.output_height) {
jpeg_read_scanlines (&cinfo, &scanline, 1);
// convert 24-bit scanline to 32-bit
const unsigned char *line = scanline;
const unsigned char *const end = line + imageBuffer->width * components;
while (line != end) {
*bytes++ = *line++;
*bytes++ = *line++;
*bytes++ = *line++;
*bytes++ = 0xFF;
}
}
delete[] scanline;
jpeg_finish_decompress (&cinfo);
} else {
imageBuffer->width = cinfo.image_width;
imageBuffer->height = cinfo.image_height;
}
decoded = true;
}
if (file) {
lime::fclose (file);
}
jpeg_destroy_decompress (&cinfo);
return decoded;
}