static std::string
compute_sha1 (Oiiotool &ot, ImageInput *input)
{
SHA1 sha;
const ImageSpec &spec (input->spec());
if (spec.deep) {
// Special handling of deep data
DeepData dd;
if (! input->read_native_deep_image (dd)) {
ot.error (" SHA-1: unable to compute, could not read image\n");
return std::string();
}
// Hash both the sample counts and the data block
sha.append (dd.all_samples());
sha.append (dd.all_data());
} else {
imagesize_t size = input->spec().image_bytes (true /*native*/);
if (size >= std::numeric_limits<size_t>::max()) {
ot.error (" SHA-1: unable to compute, image is too big\n");
return std::string();
}
else if (size != 0) {
boost::scoped_array<char> buf (new char [size]);
if (! input->read_image (TypeDesc::UNKNOWN /*native*/, &buf[0])) {
ot.error (" SHA-1: unable to compute, could not read image\n");
return std::string();
}
sha.append (&buf[0], size);
}
}
return sha.digest().c_str();
}
bool
OpenEXRInput::read_native_deep_scanlines (int ybegin, int yend, int z,
int firstchan, int nchans,
DeepData &deepdata)
{
if (m_deep_scanline_input_part == NULL) {
error ("called OpenEXRInput::read_native_deep_scanlines without an open file");
return false;
}
#ifdef USE_OPENEXR_VERSION2
try {
const PartInfo &part (m_parts[m_subimage]);
size_t npixels = (yend - ybegin) * m_spec.width;
// Set up the count and pointers arrays and the Imf framebuffer
std::vector<TypeDesc> channeltypes;
m_spec.get_channelformats (channeltypes);
deepdata.init (npixels, nchans, &channeltypes[firstchan],
&channeltypes[firstchan+nchans]);
Imf::DeepFrameBuffer frameBuffer;
Imf::Slice countslice (Imf::UINT,
(char *)(&deepdata.nsamples[0]
- m_spec.x
- ybegin*m_spec.width),
sizeof(unsigned int),
sizeof(unsigned int) * m_spec.width);
frameBuffer.insertSampleCountSlice (countslice);
for (int c = 0; c < nchans; ++c) {
Imf::DeepSlice slice (part.pixeltype[c+firstchan],
(char *)(&deepdata.pointers[c]
- m_spec.x * nchans
- ybegin*m_spec.width*nchans),
sizeof(void*) * nchans, // xstride of pointer array
sizeof(void*) * nchans*m_spec.width, // ystride of pointer array
part.chanbytes[c+firstchan]); // stride of data sample
frameBuffer.insert (m_spec.channelnames[c+firstchan].c_str(), slice);
}
m_deep_scanline_input_part->setFrameBuffer (frameBuffer);
// Get the sample counts for each pixel and compute the total
// number of samples and resize the data area appropriately.
m_deep_scanline_input_part->readPixelSampleCounts (ybegin, yend-1);
deepdata.alloc ();
// Read the pixels
m_deep_scanline_input_part->readPixels (ybegin, yend-1);
}
catch (const std::exception &e) {
error ("Failed OpenEXR read: %s", e.what());
return false;
}
return true;
#else
return false;
#endif
}
void
DeepData_init (DeepData &dd, int npix, int nchan, tuple p)
{
std::vector<TypeDesc> chantypes;
py_to_stdvector (chantypes, p);
ScopedGILRelease gil;
dd.init (npix, nchan, &(*chantypes.begin()), &(*chantypes.end()));
}
bool
DeepData::copy_deep_pixel (int pixel, const DeepData &src, int srcpixel)
{
if (pixel < 0 || pixel >= pixels()) {
// std::cout << "dst pixel was " << pixel << "\n";
DASSERT (0 && "Out of range pixel index");
return false;
}
if (srcpixel < 0 || srcpixel >= src.pixels()) {
// Copying empty pixel -- set samples to 0 and we're done
// std::cout << "Source pixel was " << srcpixel << "\n";
set_samples (pixel, 0);
return true;
}
int nchans = channels();
if (nchans != src.channels()) {
DASSERT (0 && "Number of channels don't match.");
return false;
}
int nsamples = src.samples(srcpixel);
set_samples (pixel, nsamples);
if (nsamples == 0)
return true;
bool sametypes = samplesize() == src.samplesize();
if (sametypes)
for (int c = 0; c < nchans; ++c)
sametypes &= (channeltype(c) == src.channeltype(c));
if (sametypes)
memcpy (data_ptr (pixel, 0, 0), src.data_ptr (srcpixel, 0, 0),
samplesize()*nsamples);
else {
for (int c = 0; c < nchans; ++c) {
if (channeltype(c) == TypeDesc::UINT32 && src.channeltype(c) == TypeDesc::UINT32)
for (int s = 0; s < nsamples; ++s)
set_deep_value (pixel, c, s,
src.deep_value_uint (srcpixel, c, s));
else
for (int s = 0; s < nsamples; ++s)
set_deep_value (pixel, c, s,
src.deep_value (srcpixel, c, s));
}
}
return true;
}
void
DeepData::merge_deep_pixels (int pixel, const DeepData &src, int srcpixel)
{
int srcsamples = src.samples(srcpixel);
if (srcsamples == 0)
return; // No samples to merge
int dstsamples = samples(pixel);
if (dstsamples == 0) {
// Nothing in our pixel yet, so just copy src's pixel
copy_deep_pixel (pixel, src, srcpixel);
return;
}
// Need to merge the pixels
// First, merge all of src's samples into our pixel
set_samples (pixel, dstsamples+srcsamples);
for (int i = 0; i < srcsamples; ++i)
copy_deep_sample (pixel, dstsamples+i, src, srcpixel, i);
// Now ALL the samples from both images are in our pixel.
// Mutually split the samples against each other.
sort (pixel); // sort first so we only loop once
int zchan = m_impl->m_z_channel;
int zbackchan = m_impl->m_zback_channel;
for (int s = 0; s < samples(pixel); ++s) {
float z = deep_value (pixel, zchan, s);
float zback = deep_value (pixel, zbackchan, s);
split (pixel, z);
split (pixel, zback);
}
sort (pixel);
// Now merge the overlaps
merge_overlaps (pixel);
}
bool
DeepData::copy_deep_sample (int pixel, int sample,
const DeepData &src, int srcpixel, int srcsample)
{
const void *srcdata = src.data_ptr (srcpixel, 0, srcsample);
int nchans = channels();
if (! srcdata || nchans != src.channels())
return false;
int nsamples = src.samples(srcpixel);
set_samples (pixel, std::max (samples(pixel), nsamples));
for (int c = 0; c < m_nchannels; ++c) {
if (channeltype(c) == TypeDesc::UINT32 && src.channeltype(c) == TypeDesc::UINT32)
set_deep_value (pixel, c, sample,
src.deep_value_uint (srcpixel, c, srcsample));
else
set_deep_value (pixel, c, sample,
src.deep_value (srcpixel, c, srcsample));
}
return true;
}
static void
dump_data (ImageInput *input, const print_info_options &opt)
{
const ImageSpec &spec (input->spec());
if (spec.deep) {
// Special handling of deep data
DeepData dd;
if (! input->read_native_deep_image (dd)) {
printf (" dump data: could not read image\n");
return;
}
int nc = spec.nchannels;
for (int z = 0, pixel = 0; z < spec.depth; ++z) {
for (int y = 0; y < spec.height; ++y) {
for (int x = 0; x < spec.width; ++x, ++pixel) {
int nsamples = dd.samples(pixel);
if (nsamples == 0 && ! opt.dumpdata_showempty)
continue;
std::cout << " Pixel (";
if (spec.depth > 1 || spec.z != 0)
std::cout << Strutil::format("%d, %d, %d",
x+spec.x, y+spec.y, z+spec.z);
else
std::cout << Strutil::format("%d, %d",
x+spec.x, y+spec.y);
std::cout << "): " << nsamples << " samples"
<< (nsamples ? ":" : "");
for (int s = 0; s < nsamples; ++s) {
if (s)
std::cout << " / ";
for (int c = 0; c < nc; ++c) {
std::cout << " " << spec.channelnames[c] << "=";
if (dd.channeltype(c) == TypeDesc::UINT)
std::cout << dd.deep_value_uint(pixel, c, s);
else
std::cout << dd.deep_value (pixel, c, s);
}
}
std::cout << "\n";
}
}
}
} else {
std::vector<float> buf(spec.image_pixels() * spec.nchannels);
if (! input->read_image (TypeDesc::FLOAT, &buf[0])) {
printf (" dump data: could not read image\n");
return;
}
const float *ptr = &buf[0];
for (int z = 0; z < spec.depth; ++z) {
for (int y = 0; y < spec.height; ++y) {
for (int x = 0; x < spec.width; ++x) {
if (! opt.dumpdata_showempty) {
bool allzero = true;
for (int c = 0; c < spec.nchannels && allzero; ++c)
allzero &= (ptr[c] == 0.0f);
if (allzero) {
ptr += spec.nchannels;
continue;
}
}
if (spec.depth > 1 || spec.z != 0)
std::cout << Strutil::format(" Pixel (%d, %d, %d):",
x+spec.x, y+spec.y, z+spec.z);
else
std::cout << Strutil::format(" Pixel (%d, %d):",
x+spec.x, y+spec.y);
for (int c = 0; c < spec.nchannels; ++c, ++ptr) {
std::cout << ' ' << (*ptr);
}
std::cout << "\n";
}
}
}
}
}
bool
OpenEXRInput::read_native_deep_tiles (int xbegin, int xend,
int ybegin, int yend,
int zbegin, int zend,
int chbegin, int chend,
DeepData &deepdata)
{
if (m_deep_tiled_input_part == NULL) {
error ("called OpenEXRInput::read_native_deep_tiles without an open file");
return false;
}
#ifdef USE_OPENEXR_VERSION2
try {
const PartInfo &part (m_parts[m_subimage]);
size_t width = (xend - xbegin);
size_t npixels = width * (yend - ybegin) * (zend - zbegin);
chend = clamp (chend, chbegin+1, m_spec.nchannels);
int nchans = chend - chbegin;
// Set up the count and pointers arrays and the Imf framebuffer
std::vector<TypeDesc> channeltypes;
m_spec.get_channelformats (channeltypes);
deepdata.init (npixels, nchans, &channeltypes[chbegin],
&channeltypes[chend]);
Imf::DeepFrameBuffer frameBuffer;
Imf::Slice countslice (Imf::UINT,
(char *)(&deepdata.nsamples[0]
- xbegin
- ybegin*width),
sizeof(unsigned int),
sizeof(unsigned int) * width);
frameBuffer.insertSampleCountSlice (countslice);
for (int c = chbegin; c < chend; ++c) {
Imf::DeepSlice slice (part.pixeltype[c],
(char *)(&deepdata.pointers[c-chbegin]
- xbegin*nchans
- ybegin*width*nchans),
sizeof(void*) * nchans, // xstride of pointer array
sizeof(void*) * nchans*width, // ystride of pointer array
part.chanbytes[c]); // stride of data sample
frameBuffer.insert (m_spec.channelnames[c].c_str(), slice);
}
m_deep_tiled_input_part->setFrameBuffer (frameBuffer);
int xtiles = round_to_multiple (xend-xbegin, m_spec.tile_width) / m_spec.tile_width;
int ytiles = round_to_multiple (yend-ybegin, m_spec.tile_height) / m_spec.tile_height;
// Get the sample counts for each pixel and compute the total
// number of samples and resize the data area appropriately.
m_deep_tiled_input_part->readPixelSampleCounts (0, xtiles-1, 0, ytiles-1);
deepdata.alloc ();
// Read the pixels
m_deep_tiled_input_part->readTiles (0, xtiles-1, 0, ytiles-1,
m_miplevel, m_miplevel);
}
catch (const std::exception &e) {
error ("Failed OpenEXR read: %s", e.what());
return false;
}
return true;
#else
return false;
#endif
}
bool
OpenEXRInput::read_native_deep_tiles (int xbegin, int xend,
int ybegin, int yend,
int zbegin, int zend,
int chbegin, int chend,
DeepData &deepdata)
{
if (m_deep_tiled_input_part == NULL) {
error ("called OpenEXRInput::read_native_deep_tiles without an open file");
return false;
}
try {
const PartInfo &part (m_parts[m_subimage]);
size_t width = (xend - xbegin);
size_t npixels = width * (yend - ybegin) * (zend - zbegin);
chend = clamp (chend, chbegin+1, m_spec.nchannels);
int nchans = chend - chbegin;
// Set up the count and pointers arrays and the Imf framebuffer
std::vector<TypeDesc> channeltypes;
m_spec.get_channelformats (channeltypes);
deepdata.init (npixels, nchans,
array_view<const TypeDesc>(&channeltypes[chbegin], chend-chbegin),
spec().channelnames);
std::vector<unsigned int> all_samples (npixels);
std::vector<void*> pointerbuf (npixels * nchans);
Imf::DeepFrameBuffer frameBuffer;
Imf::Slice countslice (Imf::UINT,
(char *)(&all_samples[0]
- xbegin
- ybegin*width),
sizeof(unsigned int),
sizeof(unsigned int) * width);
frameBuffer.insertSampleCountSlice (countslice);
for (int c = chbegin; c < chend; ++c) {
Imf::DeepSlice slice (part.pixeltype[c],
(char *)(&pointerbuf[0]+(c-chbegin)
- xbegin*nchans
- ybegin*width*nchans),
sizeof(void*) * nchans, // xstride of pointer array
sizeof(void*) * nchans*width, // ystride of pointer array
deepdata.samplesize()); // stride of data sample
frameBuffer.insert (m_spec.channelnames[c].c_str(), slice);
}
m_deep_tiled_input_part->setFrameBuffer (frameBuffer);
int xtiles = round_to_multiple (xend-xbegin, m_spec.tile_width) / m_spec.tile_width;
int ytiles = round_to_multiple (yend-ybegin, m_spec.tile_height) / m_spec.tile_height;
int firstxtile = (xbegin - m_spec.x) / m_spec.tile_width;
int firstytile = (ybegin - m_spec.y) / m_spec.tile_height;
// Get the sample counts for each pixel and compute the total
// number of samples and resize the data area appropriately.
m_deep_tiled_input_part->readPixelSampleCounts (
firstxtile, firstxtile+xtiles-1,
firstytile, firstytile+ytiles-1);
deepdata.set_all_samples (all_samples);
deepdata.get_pointers (pointerbuf);
// Read the pixels
m_deep_tiled_input_part->readTiles (
firstxtile, firstxtile+xtiles-1,
firstytile, firstytile+ytiles-1,
m_miplevel, m_miplevel);
} catch (const std::exception &e) {
error ("Failed OpenEXR read: %s", e.what());
return false;
} catch (...) { // catch-all for edge cases or compiler bugs
error ("Failed OpenEXR read: unknown exception");
return false;
}
return true;
}
bool
OpenEXRInput::read_native_deep_scanlines (int ybegin, int yend, int z,
int chbegin, int chend,
DeepData &deepdata)
{
if (m_deep_scanline_input_part == NULL) {
error ("called OpenEXRInput::read_native_deep_scanlines without an open file");
return false;
}
#ifdef USE_OPENEXR_VERSION2
try {
const PartInfo &part (m_parts[m_subimage]);
size_t npixels = (yend - ybegin) * m_spec.width;
chend = clamp (chend, chbegin+1, m_spec.nchannels);
int nchans = chend - chbegin;
// Set up the count and pointers arrays and the Imf framebuffer
std::vector<TypeDesc> channeltypes;
m_spec.get_channelformats (channeltypes);
deepdata.init (npixels, nchans,
array_view<const TypeDesc>(&channeltypes[chbegin], chend-chbegin),
spec().channelnames);
std::vector<unsigned int> all_samples (npixels);
std::vector<void*> pointerbuf (npixels*nchans);
Imf::DeepFrameBuffer frameBuffer;
Imf::Slice countslice (Imf::UINT,
(char *)(&all_samples[0]
- m_spec.x
- ybegin*m_spec.width),
sizeof(unsigned int),
sizeof(unsigned int) * m_spec.width);
frameBuffer.insertSampleCountSlice (countslice);
for (int c = chbegin; c < chend; ++c) {
Imf::DeepSlice slice (part.pixeltype[c],
(char *)(&pointerbuf[0]+(c-chbegin)
- m_spec.x * nchans
- ybegin*m_spec.width*nchans),
sizeof(void*) * nchans, // xstride of pointer array
sizeof(void*) * nchans*m_spec.width, // ystride of pointer array
deepdata.samplesize()); // stride of data sample
frameBuffer.insert (m_spec.channelnames[c].c_str(), slice);
}
m_deep_scanline_input_part->setFrameBuffer (frameBuffer);
// Get the sample counts for each pixel and compute the total
// number of samples and resize the data area appropriately.
m_deep_scanline_input_part->readPixelSampleCounts (ybegin, yend-1);
deepdata.set_all_samples (all_samples);
deepdata.get_pointers (pointerbuf);
// Read the pixels
m_deep_scanline_input_part->readPixels (ybegin, yend-1);
// deepdata.import_chansamp (pointerbuf);
} catch (const std::exception &e) {
error ("Failed OpenEXR read: %s", e.what());
return false;
} catch (...) { // catch-all for edge cases or compiler bugs
error ("Failed OpenEXR read: unknown exception");
return false;
}
return true;
#else
return false;
#endif
}
