X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fj2k_image_proxy.cc;h=13305b7f36a617dc421be1113174d755ae3180ce;hb=dd9be86db6cde0afa5da0d1d1ac43b42e05dca26;hp=fb38c9e999a9d04913f14823a67a0ed581429944;hpb=b81241ce69a689629307832f802ac4faa6ed885f;p=dcpomatic.git diff --git a/src/lib/j2k_image_proxy.cc b/src/lib/j2k_image_proxy.cc index fb38c9e99..13305b7f3 100644 --- a/src/lib/j2k_image_proxy.cc +++ b/src/lib/j2k_image_proxy.cc @@ -21,6 +21,8 @@ #include "j2k_image_proxy.h" #include "dcpomatic_socket.h" #include "image.h" +#include "dcpomatic_assert.h" +#include "warnings.h" #include #include #include @@ -29,113 +31,163 @@ #include #include #include +DCPOMATIC_DISABLE_WARNINGS #include +DCPOMATIC_ENABLE_WARNINGS #include #include "i18n.h" using std::string; using std::cout; -using boost::shared_ptr; +using std::max; +using std::pair; +using std::make_pair; +using std::shared_ptr; using boost::optional; -using boost::dynamic_pointer_cast; -using dcp::Data; +using std::dynamic_pointer_cast; +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) - : _data (frame->j2k_size ()) + +J2KImageProxy::J2KImageProxy ( + shared_ptr frame, + dcp::Size size, + AVPixelFormat pixel_format, + optional forced_reduction + ) + : _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, dcp::Eye eye, AVPixelFormat pixel_format) - : _size (size) + +J2KImageProxy::J2KImageProxy ( + shared_ptr frame, + dcp::Size size, + dcp::Eye eye, + AVPixelFormat pixel_format, + optional forced_reduction + ) + : _data (eye ? 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")); } - _data = Data (xml->number_child ("Size")); + shared_ptr data(new ArrayData(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; } -void -J2KImageProxy::ensure_j2k () const +int +J2KImageProxy::prepare (optional target_size) const { - if (!_j2k) { - _j2k = dcp::decompress_j2k (const_cast (_data.data().get()), _data.size (), 0); - } -} + boost::mutex::scoped_lock lm (_mutex); -shared_ptr -J2KImageProxy::image (optional) const -{ - ensure_j2k (); - - if (_j2k->precision(0) < 12) { - int const shift = 12 - _j2k->precision (0); - for (int c = 0; c < 3; ++c) { - int* p = _j2k->data (c); - for (int y = 0; y < _j2k->size().height; ++y) { - for (int x = 0; x < _j2k->size().width; ++x) { - *p++ <<= shift; - } - } - } + if (_image && target_size == _target_size) { + DCPOMATIC_ASSERT (_reduce); + return *_reduce; } - shared_ptr image (new Image (_pixel_format, _size, true)); + int reduce = 0; - /* Copy data in whatever format (sRGB or XYZ) into our Image; I'm assuming - the data is 12-bit either way. - */ + if (_forced_reduction) { + reduce = *_forced_reduction; + } else { + while (target_size && (_size.width / pow(2, reduce)) > target_size->width && (_size.height / pow(2, reduce)) > target_size->height) { + ++reduce; + } + + --reduce; + reduce = max (0, reduce); + } - int p = 0; - for (int y = 0; y < _j2k->size().height; ++y) { - uint16_t* q = (uint16_t *) (image->data()[0] + y * image->stride()[0]); - for (int x = 0; x < _j2k->size().width; ++x) { - for (int c = 0; c < 3; ++c) { - *q++ = _j2k->data(c)[p] << 4; + try { + /* XXX: should check that potentially trashing _data here doesn't matter */ + shared_ptr decompressed = dcp::decompress_j2k (const_cast(_data->data()), _data->size(), reduce); + _image.reset (new Image (_pixel_format, decompressed->size(), true)); + + 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) { + uint16_t* q = (uint16_t *) (_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; } - ++p; } + } catch (dcp::J2KDecompressionError& e) { + _image.reset (new Image (_pixel_format, _size, true)); + _image->make_black (); + _error = true; } - return image; + _target_size = target_size; + _reduce = reduce; + + return reduce; +} + + +ImageProxy::Result +J2KImageProxy::image (optional target_size) const +{ + int const r = prepare (target_size); + + /* I think this is safe without a lock on mutex. _image is guaranteed to be + set up when prepare() has happened. + */ + return Result (_image, r, _error); } + void J2KImageProxy::add_metadata (xmlpp::Node* node) const { @@ -145,13 +197,13 @@ J2KImageProxy::add_metadata (xmlpp::Node* node) const if (_eye) { 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 @@ -162,17 +214,26 @@ J2KImageProxy::same (shared_ptr other) const 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 (_image) { + /* 3 components, 16-bits per pixel */ + m += 3 * 2 * _image->size().width * _image->size().height; + } + return m; }