X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fj2k_image_proxy.cc;h=00d3cf2ef20b4edfb473dbcaa442e73bdff9a9b5;hb=ccd69987ab861ea4521836fa2a5227e2dfac3479;hp=9100414e442760ce1c532026afbd5b945e367e5c;hpb=0ff4fa6058b305476e7bc60c590acb6135c49b1c;p=dcpomatic.git diff --git a/src/lib/j2k_image_proxy.cc b/src/lib/j2k_image_proxy.cc index 9100414e4..00d3cf2ef 100644 --- a/src/lib/j2k_image_proxy.cc +++ b/src/lib/j2k_image_proxy.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2014-2015 Carl Hetherington + Copyright (C) 2014-2021 Carl Hetherington This file is part of DCP-o-matic. @@ -18,58 +18,68 @@ */ + #include "j2k_image_proxy.h" #include "dcpomatic_socket.h" #include "image.h" #include "dcpomatic_assert.h" +#include "warnings.h" #include #include #include #include #include #include -#include +#include #include +DCPOMATIC_DISABLE_WARNINGS #include -#include +DCPOMATIC_ENABLE_WARNINGS #include #include "i18n.h" -using std::string; + using std::cout; +using std::dynamic_pointer_cast; +using std::make_shared; using std::max; -using std::pair; -using std::make_pair; -using boost::shared_ptr; +using std::shared_ptr; +using std::string; using boost::optional; -using boost::dynamic_pointer_cast; -using dcp::Data; +using dcp::ArrayData; using dcp::raw_convert; + /** Construct a J2KImageProxy from a JPEG2000 file */ J2KImageProxy::J2KImageProxy (boost::filesystem::path path, dcp::Size size, AVPixelFormat pixel_format) - : _data (path) + : _data (new dcp::ArrayData(path)) , _size (size) , _pixel_format (pixel_format) + , _error (false) { - + /* ::image assumes 16bpp */ + DCPOMATIC_ASSERT (_pixel_format == AV_PIX_FMT_RGB48 || _pixel_format == AV_PIX_FMT_XYZ12LE); } + J2KImageProxy::J2KImageProxy ( shared_ptr frame, dcp::Size size, AVPixelFormat pixel_format, optional forced_reduction ) - : _data (frame->j2k_size ()) + : _data (frame) , _size (size) , _pixel_format (pixel_format) , _forced_reduction (forced_reduction) + , _error (false) { - memcpy (_data.data().get(), frame->j2k_data(), _data.size ()); + /* ::image assumes 16bpp */ + DCPOMATIC_ASSERT (_pixel_format == AV_PIX_FMT_RGB48 || _pixel_format == AV_PIX_FMT_XYZ12LE); } + J2KImageProxy::J2KImageProxy ( shared_ptr frame, dcp::Size size, @@ -77,44 +87,42 @@ J2KImageProxy::J2KImageProxy ( AVPixelFormat pixel_format, optional forced_reduction ) - : _size (size) + : _data (eye == dcp::Eye::LEFT ? frame->left() : frame->right()) + , _size (size) , _eye (eye) , _pixel_format (pixel_format) , _forced_reduction (forced_reduction) + , _error (false) { - switch (eye) { - case dcp::EYE_LEFT: - _data = Data (frame->left_j2k_size ()); - memcpy (_data.data().get(), frame->left_j2k_data(), _data.size ()); - break; - case dcp::EYE_RIGHT: - _data = Data (frame->right_j2k_size ()); - memcpy (_data.data().get(), frame->right_j2k_data(), _data.size ()); - break; - } + /* ::image assumes 16bpp */ + DCPOMATIC_ASSERT (_pixel_format == AV_PIX_FMT_RGB48 || _pixel_format == AV_PIX_FMT_XYZ12LE); } + J2KImageProxy::J2KImageProxy (shared_ptr xml, shared_ptr socket) + : _error (false) { - _size = dcp::Size (xml->number_child ("Width"), xml->number_child ("Height")); - if (xml->optional_number_child ("Eye")) { - _eye = static_cast (xml->number_child ("Eye")); + _size = dcp::Size (xml->number_child("Width"), xml->number_child("Height")); + if (xml->optional_number_child("Eye")) { + _eye = static_cast(xml->number_child("Eye")); } - _data = Data (xml->number_child ("Size")); + auto data = make_shared(xml->number_child("Size")); /* This only matters when we are using J2KImageProxy for the preview, which will never use this constructor (which is only used for passing data to encode servers). So we can put anything in here. It's a bit of a hack. */ _pixel_format = AV_PIX_FMT_XYZ12LE; - socket->read (_data.data().get (), _data.size ()); + socket->read (data->data(), data->size()); + _data = data; } + int -J2KImageProxy::prepare (optional target_size) const +J2KImageProxy::prepare (Image::Alignment alignment, optional target_size) const { boost::mutex::scoped_lock lm (_mutex); - if (_decompressed && target_size == _target_size) { + if (_image && target_size == _target_size) { DCPOMATIC_ASSERT (_reduce); return *_reduce; } @@ -132,18 +140,36 @@ J2KImageProxy::prepare (optional target_size) const reduce = max (0, reduce); } - _decompressed = dcp::decompress_j2k (const_cast (_data.data().get()), _data.size (), reduce); - - if (_decompressed->precision(0) < 12) { - int const shift = 12 - _decompressed->precision (0); - for (int c = 0; c < 3; ++c) { - int* p = _decompressed->data (c); - for (int y = 0; y < _decompressed->size().height; ++y) { - for (int x = 0; x < _decompressed->size().width; ++x) { - *p++ <<= shift; - } + try { + /* XXX: should check that potentially trashing _data here doesn't matter */ + auto decompressed = dcp::decompress_j2k (const_cast(_data->data()), _data->size(), reduce); + _image = make_shared(_pixel_format, decompressed->size(), alignment); + + int const shift = 16 - decompressed->precision (0); + + /* Copy data in whatever format (sRGB or XYZ) into our Image; I'm assuming + the data is 12-bit either way. + */ + + int const width = decompressed->size().width; + + int p = 0; + int* decomp_0 = decompressed->data (0); + int* decomp_1 = decompressed->data (1); + int* decomp_2 = decompressed->data (2); + for (int y = 0; y < decompressed->size().height; ++y) { + auto q = reinterpret_cast(_image->data()[0] + y * _image->stride()[0]); + for (int x = 0; x < width; ++x) { + *q++ = decomp_0[p] << shift; + *q++ = decomp_1[p] << shift; + *q++ = decomp_2[p] << shift; + ++p; } } + } catch (dcp::J2KDecompressionError& e) { + _image = make_shared(_pixel_format, _size, alignment); + _image->make_black (); + _error = true; } _target_size = target_size; @@ -152,81 +178,69 @@ J2KImageProxy::prepare (optional target_size) const return reduce; } -pair, int> -J2KImageProxy::image (optional, optional target_size) const -{ - int const reduce = prepare (target_size); - shared_ptr image (new Image (_pixel_format, _decompressed->size(), true)); +ImageProxy::Result +J2KImageProxy::image (Image::Alignment alignment, optional target_size) const +{ + int const r = prepare (alignment, target_size); - /* Copy data in whatever format (sRGB or XYZ) into our Image; I'm assuming - the data is 12-bit either way. + /* I think this is safe without a lock on mutex. _image is guaranteed to be + set up when prepare() has happened. */ - - int const width = _decompressed->size().width; - - int p = 0; - for (int y = 0; y < _decompressed->size().height; ++y) { - uint16_t* q = (uint16_t *) (image->data()[0] + y * image->stride()[0]); - for (int x = 0; x < width; ++x) { - for (int c = 0; c < 3; ++c) { - *q++ = _decompressed->data(c)[p] << 4; - } - ++p; - } - } - - return make_pair (image, reduce); + return Result (_image, r, _error); } + void J2KImageProxy::add_metadata (xmlpp::Node* node) const { - node->add_child("Type")->add_child_text (N_("J2K")); - node->add_child("Width")->add_child_text (raw_convert (_size.width)); - node->add_child("Height")->add_child_text (raw_convert (_size.height)); + node->add_child("Type")->add_child_text(N_("J2K")); + node->add_child("Width")->add_child_text(raw_convert(_size.width)); + node->add_child("Height")->add_child_text(raw_convert(_size.height)); if (_eye) { - node->add_child("Eye")->add_child_text (raw_convert (static_cast (_eye.get ()))); + node->add_child("Eye")->add_child_text(raw_convert(static_cast(_eye.get()))); } - node->add_child("Size")->add_child_text (raw_convert (_data.size ())); + node->add_child("Size")->add_child_text(raw_convert(_data->size())); } + void -J2KImageProxy::send_binary (shared_ptr socket) const +J2KImageProxy::write_to_socket (shared_ptr socket) const { - socket->write (_data.data().get(), _data.size()); + socket->write (_data->data(), _data->size()); } + bool J2KImageProxy::same (shared_ptr other) const { - shared_ptr jp = dynamic_pointer_cast (other); + auto jp = dynamic_pointer_cast(other); if (!jp) { return false; } - if (_data.size() != jp->_data.size()) { - return false; - } - - return memcmp (_data.data().get(), jp->_data.data().get(), _data.size()) == 0; + return *_data == *jp->_data; } -J2KImageProxy::J2KImageProxy (Data data, dcp::Size size, AVPixelFormat pixel_format) - : _data (data) + +J2KImageProxy::J2KImageProxy (ArrayData data, dcp::Size size, AVPixelFormat pixel_format) + : _data (new ArrayData(data)) , _size (size) , _pixel_format (pixel_format) + , _error (false) { - + /* ::image assumes 16bpp */ + DCPOMATIC_ASSERT (_pixel_format == AV_PIX_FMT_RGB48 || _pixel_format == AV_PIX_FMT_XYZ12LE); } + size_t J2KImageProxy::memory_used () const { - size_t m = _data.size(); - if (_decompressed) { + size_t m = _data->size(); + if (_image) { /* 3 components, 16-bits per pixel */ - m += 3 * 2 * _decompressed->size().width * _decompressed->size().height; + m += 3 * 2 * _image->size().width * _image->size().height; } return m; }