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-rw-r--r--src/lib/dcp_video_frame.cc114
1 files changed, 55 insertions, 59 deletions
diff --git a/src/lib/dcp_video_frame.cc b/src/lib/dcp_video_frame.cc
index 1c12eb7fd..5cd6a118e 100644
--- a/src/lib/dcp_video_frame.cc
+++ b/src/lib/dcp_video_frame.cc
@@ -42,6 +42,7 @@
#include <boost/array.hpp>
#include <boost/asio.hpp>
#include <boost/filesystem.hpp>
+#include <openssl/md5.h>
#include <libdcp/rec709_linearised_gamma_lut.h>
#include <libdcp/srgb_linearised_gamma_lut.h>
#include <libdcp/gamma_lut.h>
@@ -60,6 +61,7 @@
#include "image.h"
#include "log.h"
#include "cross.h"
+#include "player_video_frame.h"
#include "i18n.h"
@@ -73,18 +75,16 @@ using libdcp::raw_convert;
#define DCI_COEFFICENT (48.0 / 52.37)
/** Construct a DCP video frame.
- * @param input Input image.
- * @param f Index of the frame within the DCP.
+ * @param frame Input frame.
+ * @param index Index of the frame within the DCP.
* @param bw J2K bandwidth to use (see Config::j2k_bandwidth ())
* @param l Log to write to.
*/
DCPVideoFrame::DCPVideoFrame (
- shared_ptr<const Image> image, int f, Eyes eyes, ColourConversion c, int dcp_fps, int bw, Resolution r, shared_ptr<Log> l
+ shared_ptr<const PlayerVideoFrame> frame, int index, int dcp_fps, int bw, Resolution r, shared_ptr<Log> l
)
- : _image (image)
- , _frame (f)
- , _eyes (eyes)
- , _conversion (c)
+ : _frame (frame)
+ , _index (index)
, _frames_per_second (dcp_fps)
, _j2k_bandwidth (bw)
, _resolution (r)
@@ -93,22 +93,11 @@ DCPVideoFrame::DCPVideoFrame (
}
-DCPVideoFrame::DCPVideoFrame (shared_ptr<const Image> image, shared_ptr<const cxml::Node> node, shared_ptr<Log> log)
- : _image (image)
+DCPVideoFrame::DCPVideoFrame (shared_ptr<const PlayerVideoFrame> frame, shared_ptr<const cxml::Node> node, shared_ptr<Log> log)
+ : _frame (frame)
, _log (log)
{
- _frame = node->number_child<int> ("Frame");
- string const eyes = node->string_child ("Eyes");
- if (eyes == "Both") {
- _eyes = EYES_BOTH;
- } else if (eyes == "Left") {
- _eyes = EYES_LEFT;
- } else if (eyes == "Right") {
- _eyes = EYES_RIGHT;
- } else {
- assert (false);
- }
- _conversion = ColourConversion (node->node_child ("ColourConversion"));
+ _index = node->number_child<int> ("Index");
_frames_per_second = node->number_child<int> ("FramesPerSecond");
_j2k_bandwidth = node->number_child<int> ("J2KBandwidth");
_resolution = Resolution (node->optional_number_child<int>("Resolution").get_value_or (RESOLUTION_2K));
@@ -121,10 +110,10 @@ shared_ptr<EncodedData>
DCPVideoFrame::encode_locally ()
{
shared_ptr<libdcp::LUT> in_lut;
- if (_conversion.input_gamma_linearised) {
- in_lut = libdcp::SRGBLinearisedGammaLUT::cache.get (12, _conversion.input_gamma);
+ if (_frame->colour_conversion().input_gamma_linearised) {
+ in_lut = libdcp::SRGBLinearisedGammaLUT::cache.get (12, _frame->colour_conversion().input_gamma);
} else {
- in_lut = libdcp::GammaLUT::cache.get (12, _conversion.input_gamma);
+ in_lut = libdcp::GammaLUT::cache.get (12, _frame->colour_conversion().input_gamma);
}
/* XXX: libdcp should probably use boost */
@@ -132,20 +121,35 @@ DCPVideoFrame::encode_locally ()
double matrix[3][3];
for (int i = 0; i < 3; ++i) {
for (int j = 0; j < 3; ++j) {
- matrix[i][j] = _conversion.matrix (i, j);
+ matrix[i][j] = _frame->colour_conversion().matrix (i, j);
}
}
-
+
shared_ptr<libdcp::XYZFrame> xyz = libdcp::rgb_to_xyz (
- _image,
+ _frame->image(),
in_lut,
- libdcp::GammaLUT::cache.get (16, 1 / _conversion.output_gamma),
+ libdcp::GammaLUT::cache.get (16, 1 / _frame->colour_conversion().output_gamma),
matrix
);
+
+ {
+ MD5_CTX md5_context;
+ MD5_Init (&md5_context);
+ MD5_Update (&md5_context, xyz->data(0), 1998 * 1080 * 4);
+ MD5_Update (&md5_context, xyz->data(1), 1998 * 1080 * 4);
+ MD5_Update (&md5_context, xyz->data(2), 1998 * 1080 * 4);
+ unsigned char digest[MD5_DIGEST_LENGTH];
+ MD5_Final (digest, &md5_context);
+ stringstream s;
+ for (int i = 0; i < MD5_DIGEST_LENGTH; ++i) {
+ s << std::hex << std::setfill('0') << std::setw(2) << ((int) digest[i]);
+ }
+ }
+
/* Set the max image and component sizes based on frame_rate */
int max_cs_len = ((float) _j2k_bandwidth) / 8 / _frames_per_second;
- if (_eyes == EYES_LEFT || _eyes == EYES_RIGHT) {
+ if (_frame->eyes() == EYES_LEFT || _frame->eyes() == EYES_RIGHT) {
/* In 3D we have only half the normal bandwidth per eye */
max_cs_len /= 2;
}
@@ -244,15 +248,15 @@ DCPVideoFrame::encode_locally ()
throw EncodeError (N_("JPEG2000 encoding failed"));
}
- switch (_eyes) {
+ switch (_frame->eyes()) {
case EYES_BOTH:
- _log->log (String::compose (N_("Finished locally-encoded frame %1 for mono"), _frame));
+ _log->log (String::compose (N_("Finished locally-encoded frame %1 for mono"), _index));
break;
case EYES_LEFT:
- _log->log (String::compose (N_("Finished locally-encoded frame %1 for L"), _frame));
+ _log->log (String::compose (N_("Finished locally-encoded frame %1 for L"), _index));
break;
case EYES_RIGHT:
- _log->log (String::compose (N_("Finished locally-encoded frame %1 for R"), _frame));
+ _log->log (String::compose (N_("Finished locally-encoded frame %1 for R"), _index));
break;
default:
break;
@@ -283,28 +287,30 @@ DCPVideoFrame::encode_remotely (ServerDescription serv)
socket->connect (*endpoint_iterator);
+ /* Collect all XML metadata */
xmlpp::Document doc;
xmlpp::Element* root = doc.create_root_node ("EncodingRequest");
-
root->add_child("Version")->add_child_text (raw_convert<string> (SERVER_LINK_VERSION));
- root->add_child("Width")->add_child_text (raw_convert<string> (_image->size().width));
- root->add_child("Height")->add_child_text (raw_convert<string> (_image->size().height));
add_metadata (root);
+ _log->log (String::compose (N_("Sending frame %1 to remote"), _index));
+
+ /* Send XML metadata */
stringstream xml;
doc.write_to_stream (xml, "UTF-8");
-
- _log->log (String::compose (N_("Sending frame %1 to remote"), _frame));
-
socket->write (xml.str().length() + 1);
socket->write ((uint8_t *) xml.str().c_str(), xml.str().length() + 1);
- _image->write_to_socket (socket);
+ /* Send binary data */
+ _frame->send_binary (socket);
+ /* Read the response (JPEG2000-encoded data); this blocks until the data
+ is ready and sent back.
+ */
shared_ptr<EncodedData> e (new RemotelyEncodedData (socket->read_uint32 ()));
socket->read (e->data(), e->size());
- _log->log (String::compose (N_("Finished remotely-encoded frame %1"), _frame));
+ _log->log (String::compose (N_("Finished remotely-encoded frame %1"), _index));
return e;
}
@@ -312,27 +318,17 @@ DCPVideoFrame::encode_remotely (ServerDescription serv)
void
DCPVideoFrame::add_metadata (xmlpp::Element* el) const
{
- el->add_child("Frame")->add_child_text (raw_convert<string> (_frame));
-
- switch (_eyes) {
- case EYES_BOTH:
- el->add_child("Eyes")->add_child_text ("Both");
- break;
- case EYES_LEFT:
- el->add_child("Eyes")->add_child_text ("Left");
- break;
- case EYES_RIGHT:
- el->add_child("Eyes")->add_child_text ("Right");
- break;
- default:
- assert (false);
- }
-
- _conversion.as_xml (el->add_child("ColourConversion"));
-
+ el->add_child("Index")->add_child_text (raw_convert<string> (_index));
el->add_child("FramesPerSecond")->add_child_text (raw_convert<string> (_frames_per_second));
el->add_child("J2KBandwidth")->add_child_text (raw_convert<string> (_j2k_bandwidth));
el->add_child("Resolution")->add_child_text (raw_convert<string> (int (_resolution)));
+ _frame->add_metadata (el);
+}
+
+Eyes
+DCPVideoFrame::eyes () const
+{
+ return _frame->eyes ();
}
EncodedData::EncodedData (int s)
generated by cgit v1.2.3 (git 2.46.0) at 2026-04-20 03:13:17 +0000