Surface *Surface::Load(const OSChar *inFilename)
{
FILE *file = OpenRead(inFilename);
if (!file)
{
#ifdef ANDROID
ByteArray bytes = AndroidGetAssetBytes(inFilename);
if (bytes.Ok())
{
Surface *result = LoadFromBytes(bytes.Bytes(), bytes.Size());
return result;
}
#endif
return 0;
}
Surface *result = TryJPEG(file,0,0);
if (!result)
{
rewind(file);
result = TryPNG(file,0,0);
}
fclose(file);
return result;
}
value lime_byte_array_overwrite_file (value inFilename, value inBytes) {
// file is created if it doesn't exist,
// if it exists, it is truncated to zero
FILE_HANDLE *file = lime::fopen (val_os_string (inFilename), "wb");
if (!file) {
#ifdef ANDROID
// [todo]
#endif
return alloc_null();
}
ByteArray array (inBytes);
// The function fwrite() writes nitems objects, each size bytes long, to the
// stream pointed to by stream, obtaining them from the location given by
// ptr.
// fwrite(const void *restrict ptr, size_t size, size_t nitems, FILE *restrict stream);
lime::fwrite (array.Bytes (), 1, array.Size (), file);
lime::fclose (file);
return alloc_null ();
}
void FillBuffer(const ByteArray &inBytes)
{
int time_samples = inBytes.Size()/sizeof(float)/STEREO_SAMPLES;
const float *buffer = (const float *)inBytes.Bytes();
enum { MASK = BUF_SIZE - 1 };
for(int i=0;i<time_samples;i++)
{
int mono_pos = (i+mDynamicFillPos) & MASK;
mDynamicBuffer[ mono_pos<<1 ] = *buffer++ * ((1<<15)-1);
mDynamicBuffer[ (mono_pos<<1) + 1 ] = *buffer++ * ((1<<15)-1);
}
if (mDynamicFillPos<(sSoundPos-mDynamicStartPos))
ELOG("Too slow - FillBuffer %d / %d)", mDynamicFillPos, (sSoundPos-mDynamicStartPos) );
mDynamicFillPos += time_samples;
if (time_samples<1024 && !mDynamicDone)
{
mDynamicDone = true;
for(int i=0;i<2048;i++)
{
int mono_pos = (i+mDynamicFillPos) & MASK;
mDynamicBuffer[ mono_pos<<1 ] = 0;
mDynamicBuffer[ (mono_pos<<1) + 1 ] = 0;
}
int samples_left = (int)mDynamicFillPos - (int)(sSoundPos-mDynamicStartPos);
int ticks_left = samples_left*1000/44100;
//printf("Expire in %d (%d)\n", samples_left, ticks_left );
#ifndef EMSCRIPTEN
Mix_ExpireChannel(mChannel, ticks_left>0 ? ticks_left : 1 );
#endif
}
}
Sound *Sound::Create(const std::string &inFilename,bool inForceMusic)
{
//Always check if openal is intitialized
if (!OpenALInit())
return 0;
//Return a reference
OpenALSound *sound;
#ifdef ANDROID
if (!inForceMusic)
{
ByteArray bytes = AndroidGetAssetBytes(inFilename.c_str());
sound = new OpenALSound((float*)bytes.Bytes(), bytes.Size());
}
else
{
sound = new OpenALSound(inFilename, inForceMusic);
}
#else
sound = new OpenALSound(inFilename, inForceMusic);
#endif
if (sound->ok ())
return sound;
else
return 0;
}
value lime_al_buffer_data (value buffer, value format, value data, value size, value freq) {
ByteArray byteArray (data);
//int arraySize = byteArray.Size ();
const float *bytes = (float *)byteArray.Bytes ();
//int elements = arraySize / sizeof (float);
int count = val_int (size);
alBufferData (val_int (buffer), val_int (format), bytes, count, val_int (freq));
return alloc_null ();
}
value lime_byte_array_get_native_pointer (value inByteArray) {
ByteArray bytes (inByteArray);
if (!val_is_null (bytes.mValue)) {
return alloc_float ((intptr_t)bytes.Bytes ());
}
return alloc_null ();
}
static int sGetFile(const char *inFilename, unsigned char **outBuf)
{
#ifdef ANDROID
ByteArray bytes = AndroidGetAssetBytes(inFilename);
#else
ByteArray bytes = ByteArray::FromFile(inFilename);
#endif
ELOG("Loaded cert %s %d bytes.", inFilename, bytes.Size());
if (bytes.Size()>0)
{
*outBuf = (unsigned char *)malloc(bytes.Size());
memcpy(*outBuf,bytes.Bytes(),bytes.Size());
return bytes.Size();
}
return -1;
}
void OpenALChannel::QueueBuffer(ALuint inBuffer, const ByteArray &inBytes)
{
int time_samples = inBytes.Size()/sizeof(float)/STEREO_SAMPLES;
const float *buffer = (const float *)inBytes.Bytes();
for(int i=0;i<time_samples;i++)
{
mSampleBuffer[ i<<1 ] = *buffer++ * ((1<<15)-1);
mSampleBuffer[ (i<<1) + 1 ] = *buffer++ * ((1<<15)-1);
}
mDynamicDone = time_samples < 1024;
alBufferData(inBuffer, AL_FORMAT_STEREO16, mSampleBuffer, time_samples*STEREO_SAMPLES*sizeof(short), 44100 );
//LOG_SOUND("Dynamic queue buffer %d (%d)", inBuffer, time_samples );
alSourceQueueBuffers(mSourceID, 1, &inBuffer );
}
Surface *Surface::Load(const OSChar *inFilename)
{
FILE *file = OpenRead(inFilename);
if (!file)
{
#ifdef ANDROID
ByteArray bytes = AndroidGetAssetBytes(inFilename);
if (bytes.Ok())
{
Surface *result = LoadFromBytes(bytes.Bytes(), bytes.Size());
return result;
}
#endif
return 0;
}
int len = 0;
while(inFilename[len])
len++;
bool jpegFirst = false;
bool pngFirst = false;
if (len>4)
{
// Jpeg/jpg
if (inFilename[len-4]=='j' || inFilename[len-4]=='J' ||
inFilename[len-3]=='j' || inFilename[len-4]=='J' )
jpegFirst = true;
else if (inFilename[len-3]=='p' || inFilename[len-3]=='P' )
pngFirst = true;
}
Surface *result = 0;
if (jpegFirst)
{
result = TryJPEG(file,0,0);
if (!result)
{
rewind(file);
result = TryPNG(file,0,0);
}
}
else if (pngFirst)
{
result = TryPNG(file,0,0);
if (!result)
{
rewind(file);
result = TryJPEG(file,0,0);
}
}
else
{
uint8 first = 0;
fread(&first,1,1,file);
if (first==0xff)
{
rewind(file);
result = TryJPEG(file,0,0);
}
else if (first==0x89)
{
rewind(file);
result = TryPNG(file,0,0);
}
}
fclose(file);
return result;
}
bool OGG::Decode (Resource *resource, AudioBuffer *audioBuffer) {
OggVorbis_File oggFile;
if (resource->path) {
FILE_HANDLE *file = lime::fopen (resource->path, "rb");
if (!file) {
return false;
}
if (file->isFile ()) {
ov_open (file->getFile (), &oggFile, NULL, file->getLength ());
} else {
ByteArray data = ByteArray (resource->path);
OAL_OggMemoryFile fakeFile = { data.Bytes (), data.Size (), 0 };
if (ov_open_callbacks (&fakeFile, &oggFile, NULL, 0, OAL_CALLBACKS_BUFFER) != 0) {
return false;
}
}
} else {
OAL_OggMemoryFile fakeFile = { resource->data->Bytes (), resource->data->Size (), 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 32768
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");
return false;
}
audioBuffer->channels = pInfo->channels;
audioBuffer->sampleRate = pInfo->rate;
//default to 16? todo
audioBuffer->bitsPerSample = 16;
// Seem to need four times the read PCM total
audioBuffer->data->Resize (ov_pcm_total (&oggFile, -1) * 4);
while (bytes > 0) {
if (audioBuffer->data->Size () < totalBytes + BUFFER_SIZE) {
audioBuffer->data->Resize (totalBytes + BUFFER_SIZE);
}
bytes = ov_read (&oggFile, (char *)audioBuffer->data->Bytes () + totalBytes, BUFFER_SIZE, BUFFER_READ_TYPE, 2, 1, &bitStream);
totalBytes += bytes;
}
audioBuffer->data->Resize (totalBytes);
ov_clear (&oggFile);
#undef BUFFER_SIZE
#undef BUFFER_READ_TYPE
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 {
ByteArray data = ByteArray (resource->path);
MySrcManager manager (data.Bytes (), data.Size ());
cinfo.src = &manager.pub;
}
} else {
MySrcManager manager (resource->data->Bytes (), resource->data->Size ());
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.num_components;
imageBuffer->Resize (cinfo.output_width, cinfo.output_height);
unsigned char *bytes = imageBuffer->data->Bytes ();
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;
}
bool PNG::Decode (Resource *resource, ImageBuffer *imageBuffer) {
unsigned char png_sig[PNG_SIG_SIZE];
png_structp png_ptr;
png_infop info_ptr;
png_uint_32 width, height;
int bit_depth, color_type, interlace_type;
FILE_HANDLE *file = NULL;
if (resource->path) {
file = lime::fopen (resource->path, "rb");
if (!file) return false;
int read = lime::fread (png_sig, PNG_SIG_SIZE, 1, file);
if (png_sig_cmp (png_sig, 0, PNG_SIG_SIZE)) {
lime::fclose (file);
return false;
}
} else {
memcpy (png_sig, resource->data->Bytes (), PNG_SIG_SIZE);
if (png_sig_cmp (png_sig, 0, PNG_SIG_SIZE)) {
return false;
}
}
if ((png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL)) == NULL) {
if (file) lime::fclose (file);
return false;
}
if ((info_ptr = png_create_info_struct (png_ptr)) == NULL) {
png_destroy_read_struct (&png_ptr, (png_infopp)NULL, (png_infopp)NULL);
if (file) lime::fclose (file);
return false;
}
// sets the point which libpng will jump back to in the case of an error
if (setjmp (png_jmpbuf (png_ptr))) {
png_destroy_read_struct (&png_ptr, &info_ptr, (png_infopp)NULL);
if (file) lime::fclose (file);
return false;
}
if (file) {
if (file->isFile ()) {
png_init_io (png_ptr, file->getFile ());
png_set_sig_bytes (png_ptr, PNG_SIG_SIZE);
} else {
ByteArray data = ByteArray (resource->path);
ReadBuffer buffer (data.Bytes (), data.Size ());
png_set_read_fn (png_ptr, &buffer, user_read_data_fn);
}
} else {
ReadBuffer buffer (resource->data->Bytes (), resource->data->Size ());
png_set_read_fn (png_ptr, &buffer, user_read_data_fn);
}
png_read_info (png_ptr, info_ptr);
png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, &interlace_type, NULL, NULL);
//bool has_alpha = (color_type == PNG_COLOR_TYPE_GRAY_ALPHA || color_type == PNG_COLOR_TYPE_RGB_ALPHA || png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS));
png_set_expand (png_ptr);
png_set_filler (png_ptr, 0xff, PNG_FILLER_AFTER);
//png_set_gray_1_2_4_to_8 (png_ptr);
png_set_palette_to_rgb (png_ptr);
png_set_gray_to_rgb (png_ptr);
if (bit_depth < 8) {
png_set_packing (png_ptr);
} else if (bit_depth == 16) {
png_set_scale_16 (png_ptr);
}
//png_set_bgr (png_ptr);
int bpp = 4;
const unsigned int stride = width * bpp;
imageBuffer->Resize (width, height, bpp);
unsigned char *bytes = imageBuffer->data->Bytes ();
int number_of_passes = png_set_interlace_handling (png_ptr);
for (int pass = 0; pass < number_of_passes; pass++) {
for (int i = 0; i < height; i++) {
png_bytep anAddr = (png_bytep)(bytes + i * stride);
png_read_rows (png_ptr, (png_bytepp) &anAddr, NULL, 1);
}
}
png_read_end (png_ptr, NULL);
png_destroy_read_struct (&png_ptr, &info_ptr, (png_infopp)NULL);
if (file) lime::fclose (file);
return true;
}
