/*
- Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2021 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <dcp/raw_convert.h>
-#include "player_video.h"
+
+#include "content.h"
+#include "film.h"
#include "image.h"
#include "image_proxy.h"
#include "j2k_image_proxy.h"
-#include "scaler.h"
+#include "player.h"
+#include "player_video.h"
+#include "video_content.h"
+#include <dcp/raw_convert.h>
+extern "C" {
+#include <libavutil/pixfmt.h>
+}
+#include <libxml++/libxml++.h>
+#include <iostream>
+
-using std::string;
using std::cout;
+using std::dynamic_pointer_cast;
+using std::function;
+using std::make_shared;
+using std::shared_ptr;
+using std::string;
+using std::weak_ptr;
+using boost::optional;
+using dcp::Data;
using dcp::raw_convert;
-using boost::shared_ptr;
-using boost::dynamic_pointer_cast;
+
PlayerVideo::PlayerVideo (
shared_ptr<const ImageProxy> in,
- DCPTime time,
Crop crop,
+ boost::optional<double> fade,
dcp::Size inter_size,
dcp::Size out_size,
- Scaler const * scaler,
Eyes eyes,
Part part,
- ColourConversion colour_conversion
+ optional<ColourConversion> colour_conversion,
+ VideoRange video_range,
+ weak_ptr<Content> content,
+ optional<Frame> video_frame,
+ bool error
)
: _in (in)
- , _time (time)
, _crop (crop)
+ , _fade (fade)
, _inter_size (inter_size)
, _out_size (out_size)
- , _scaler (scaler)
, _eyes (eyes)
, _part (part)
, _colour_conversion (colour_conversion)
+ , _video_range (video_range)
+ , _content (content)
+ , _video_frame (video_frame)
+ , _error (error)
{
}
-PlayerVideo::PlayerVideo (shared_ptr<cxml::Node> node, shared_ptr<Socket> socket, shared_ptr<Log> log)
+
+PlayerVideo::PlayerVideo (shared_ptr<cxml::Node> node, shared_ptr<Socket> socket)
{
- _time = DCPTime (node->number_child<DCPTime::Type> ("Time"));
_crop = Crop (node);
+ _fade = node->optional_number_child<double> ("Fade");
_inter_size = dcp::Size (node->number_child<int> ("InterWidth"), node->number_child<int> ("InterHeight"));
_out_size = dcp::Size (node->number_child<int> ("OutWidth"), node->number_child<int> ("OutHeight"));
- _scaler = Scaler::from_id (node->string_child ("Scaler"));
- _eyes = (Eyes) node->number_child<int> ("Eyes");
- _part = (Part) node->number_child<int> ("Part");
- _colour_conversion = ColourConversion (node);
+ _eyes = static_cast<Eyes>(node->number_child<int>("Eyes"));
+ _part = static_cast<Part>(node->number_child<int>("Part"));
+ _video_range = static_cast<VideoRange>(node->number_child<int>("VideoRange"));
+ _error = node->optional_bool_child("Error").get_value_or (false);
- _in = image_proxy_factory (node->node_child ("In"), socket, log);
+ /* Assume that the ColourConversion uses the current state version */
+ _colour_conversion = ColourConversion::from_xml (node, Film::current_state_version);
- if (node->optional_number_child<int> ("SubtitleX")) {
-
- _subtitle.position = Position<int> (node->number_child<int> ("SubtitleX"), node->number_child<int> ("SubtitleY"));
+ _in = image_proxy_factory (node->node_child("In"), socket);
- _subtitle.image.reset (
- new Image (PIX_FMT_RGBA, dcp::Size (node->number_child<int> ("SubtitleWidth"), node->number_child<int> ("SubtitleHeight")), true)
+ if (node->optional_number_child<int>("SubtitleX")) {
+
+ auto image = make_shared<Image> (
+ AV_PIX_FMT_BGRA, dcp::Size(node->number_child<int>("SubtitleWidth"), node->number_child<int>("SubtitleHeight")), Image::Alignment::PADDED
);
-
- _subtitle.image->read_from_socket (socket);
+
+ image->read_from_socket (socket);
+
+ _text = PositionImage (image, Position<int>(node->number_child<int>("SubtitleX"), node->number_child<int>("SubtitleY")));
}
}
+
void
-PlayerVideo::set_subtitle (PositionImage image)
+PlayerVideo::set_text (PositionImage image)
{
- _subtitle = image;
+ _text = image;
}
+
shared_ptr<Image>
-PlayerVideo::image (bool burn_subtitle) const
+PlayerVideo::image (function<AVPixelFormat (AVPixelFormat)> pixel_format, VideoRange video_range, bool fast) const
+{
+ /* XXX: this assumes that image() and prepare() are only ever called with the same parameters (except crop, inter size, out size, fade) */
+
+ boost::mutex::scoped_lock lm (_mutex);
+ if (!_image || _crop != _image_crop || _inter_size != _image_inter_size || _out_size != _image_out_size || _fade != _image_fade) {
+ make_image (pixel_format, video_range, fast);
+ }
+ return _image;
+}
+
+
+shared_ptr<const Image>
+PlayerVideo::raw_image () const
{
- shared_ptr<Image> im = _in->image ();
-
- Crop total_crop = _crop;
+ return _in->image(Image::Alignment::COMPACT, _inter_size).image;
+}
+
+
+/** Create an image for this frame. A lock must be held on _mutex.
+ * @param pixel_format Function which is called to decide what pixel format the output image should be;
+ * it is passed the pixel format of the input image from the ImageProxy, and should return the desired
+ * output pixel format. Two functions force and keep_xyz_or_rgb are provided for use here.
+ * @param fast true to be fast at the expense of quality.
+ */
+void
+PlayerVideo::make_image (function<AVPixelFormat (AVPixelFormat)> pixel_format, VideoRange video_range, bool fast) const
+{
+ _image_crop = _crop;
+ _image_inter_size = _inter_size;
+ _image_out_size = _out_size;
+ _image_fade = _fade;
+
+ auto prox = _in->image (Image::Alignment::PADDED, _inter_size);
+ _error = prox.error;
+
+ auto total_crop = _crop;
switch (_part) {
- case PART_LEFT_HALF:
- total_crop.right += im->size().width / 2;
+ case Part::LEFT_HALF:
+ total_crop.right += prox.image->size().width / 2;
break;
- case PART_RIGHT_HALF:
- total_crop.left += im->size().width / 2;
+ case Part::RIGHT_HALF:
+ total_crop.left += prox.image->size().width / 2;
break;
- case PART_TOP_HALF:
- total_crop.bottom += im->size().height / 2;
+ case Part::TOP_HALF:
+ total_crop.bottom += prox.image->size().height / 2;
break;
- case PART_BOTTOM_HALF:
- total_crop.top += im->size().height / 2;
+ case Part::BOTTOM_HALF:
+ total_crop.top += prox.image->size().height / 2;
break;
default:
break;
}
-
- shared_ptr<Image> out = im->crop_scale_window (total_crop, _inter_size, _out_size, _scaler, PIX_FMT_RGB24, true);
- Position<int> const container_offset ((_out_size.width - _inter_size.width) / 2, (_out_size.height - _inter_size.width) / 2);
+ if (prox.log2_scaling > 0) {
+ /* Scale the crop down to account for the scaling that has already happened in ImageProxy::image */
+ int const r = pow(2, prox.log2_scaling);
+ total_crop.left /= r;
+ total_crop.right /= r;
+ total_crop.top /= r;
+ total_crop.bottom /= r;
+ }
+
+ dcp::YUVToRGB yuv_to_rgb = dcp::YUVToRGB::REC601;
+ if (_colour_conversion) {
+ yuv_to_rgb = _colour_conversion.get().yuv_to_rgb();
+ }
+
+ _image = prox.image->crop_scale_window (
+ total_crop, _inter_size, _out_size, yuv_to_rgb, _video_range, pixel_format (prox.image->pixel_format()), video_range, Image::Alignment::COMPACT, fast
+ );
- if (burn_subtitle && _subtitle.image) {
- out->alpha_blend (_subtitle.image, _subtitle.position);
+ if (_text) {
+ _image->alpha_blend (_text->image, _text->position);
}
- return out;
+ if (_fade) {
+ _image->fade (_fade.get ());
+ }
}
+
void
-PlayerVideo::add_metadata (xmlpp::Node* node, bool send_subtitles) const
+PlayerVideo::add_metadata (xmlpp::Node* node) const
{
- node->add_child("Time")->add_child_text (raw_convert<string> (_time.get ()));
_crop.as_xml (node);
+ if (_fade) {
+ node->add_child("Fade")->add_child_text (raw_convert<string> (_fade.get ()));
+ }
_in->add_metadata (node->add_child ("In"));
node->add_child("InterWidth")->add_child_text (raw_convert<string> (_inter_size.width));
node->add_child("InterHeight")->add_child_text (raw_convert<string> (_inter_size.height));
node->add_child("OutWidth")->add_child_text (raw_convert<string> (_out_size.width));
node->add_child("OutHeight")->add_child_text (raw_convert<string> (_out_size.height));
- node->add_child("Scaler")->add_child_text (_scaler->id ());
- node->add_child("Eyes")->add_child_text (raw_convert<string> (_eyes));
- node->add_child("Part")->add_child_text (raw_convert<string> (_part));
- _colour_conversion.as_xml (node);
- if (send_subtitles && _subtitle.image) {
- node->add_child ("SubtitleWidth")->add_child_text (raw_convert<string> (_subtitle.image->size().width));
- node->add_child ("SubtitleHeight")->add_child_text (raw_convert<string> (_subtitle.image->size().height));
- node->add_child ("SubtitleX")->add_child_text (raw_convert<string> (_subtitle.position.x));
- node->add_child ("SubtitleY")->add_child_text (raw_convert<string> (_subtitle.position.y));
+ node->add_child("Eyes")->add_child_text (raw_convert<string> (static_cast<int> (_eyes)));
+ node->add_child("Part")->add_child_text (raw_convert<string> (static_cast<int> (_part)));
+ node->add_child("VideoRange")->add_child_text(raw_convert<string>(static_cast<int>(_video_range)));
+ node->add_child("Error")->add_child_text(_error ? "1" : "0");
+ if (_colour_conversion) {
+ _colour_conversion.get().as_xml (node);
+ }
+ if (_text) {
+ node->add_child ("SubtitleWidth")->add_child_text (raw_convert<string> (_text->image->size().width));
+ node->add_child ("SubtitleHeight")->add_child_text (raw_convert<string> (_text->image->size().height));
+ node->add_child ("SubtitleX")->add_child_text (raw_convert<string> (_text->position.x));
+ node->add_child ("SubtitleY")->add_child_text (raw_convert<string> (_text->position.y));
}
}
+
void
-PlayerVideo::send_binary (shared_ptr<Socket> socket, bool send_subtitles) const
+PlayerVideo::write_to_socket (shared_ptr<Socket> socket) const
{
- _in->send_binary (socket);
- if (send_subtitles && _subtitle.image) {
- _subtitle.image->write_to_socket (socket);
+ _in->write_to_socket (socket);
+ if (_text) {
+ _text->image->write_to_socket (socket);
}
}
+
bool
PlayerVideo::has_j2k () const
{
- /* XXX: burnt-in subtitle; maybe other things */
-
- shared_ptr<const J2KImageProxy> j2k = dynamic_pointer_cast<const J2KImageProxy> (_in);
+ /* XXX: maybe other things */
+
+ auto j2k = dynamic_pointer_cast<const J2KImageProxy> (_in);
if (!j2k) {
return false;
}
-
- return _crop == Crop () && _inter_size == j2k->size();
+
+ return _crop == Crop() && _out_size == j2k->size() && _inter_size == j2k->size() && !_text && !_fade && !_colour_conversion;
}
-shared_ptr<EncodedData>
+
+shared_ptr<const dcp::Data>
PlayerVideo::j2k () const
{
- shared_ptr<const J2KImageProxy> j2k = dynamic_pointer_cast<const J2KImageProxy> (_in);
- assert (j2k);
+ auto j2k = dynamic_pointer_cast<const J2KImageProxy> (_in);
+ DCPOMATIC_ASSERT (j2k);
return j2k->j2k ();
}
+
+
+Position<int>
+PlayerVideo::inter_position () const
+{
+ return Position<int> ((_out_size.width - _inter_size.width) / 2, (_out_size.height - _inter_size.height) / 2);
+}
+
+
+/** @return true if this PlayerVideo is definitely the same as another, false if it is probably not */
+bool
+PlayerVideo::same (shared_ptr<const PlayerVideo> other) const
+{
+ if (_crop != other->_crop ||
+ _fade != other->_fade ||
+ _inter_size != other->_inter_size ||
+ _out_size != other->_out_size ||
+ _eyes != other->_eyes ||
+ _part != other->_part ||
+ _colour_conversion != other->_colour_conversion ||
+ _video_range != other->_video_range) {
+ return false;
+ }
+
+ if ((!_text && other->_text) || (_text && !other->_text)) {
+ /* One has a text and the other doesn't */
+ return false;
+ }
+
+ if (_text && other->_text && !_text->same (other->_text.get ())) {
+ /* They both have texts but they are different */
+ return false;
+ }
+
+ /* Now neither has subtitles */
+
+ return _in->same (other->_in);
+}
+
+
+AVPixelFormat
+PlayerVideo::force (AVPixelFormat force_to)
+{
+ return force_to;
+}
+
+AVPixelFormat
+PlayerVideo::keep_xyz_or_rgb (AVPixelFormat p)
+{
+ return p == AV_PIX_FMT_XYZ12LE ? AV_PIX_FMT_XYZ12LE : AV_PIX_FMT_RGB48LE;
+}
+
+
+void
+PlayerVideo::prepare (function<AVPixelFormat (AVPixelFormat)> pixel_format, VideoRange video_range, Image::Alignment alignment, bool fast, bool proxy_only)
+{
+ _in->prepare (alignment, _inter_size);
+ boost::mutex::scoped_lock lm (_mutex);
+ if (!_image && !proxy_only) {
+ make_image (pixel_format, video_range, fast);
+ }
+}
+
+
+size_t
+PlayerVideo::memory_used () const
+{
+ return _in->memory_used();
+}
+
+
+/** @return Shallow copy of this; _in and _text are shared between the original and the copy */
+shared_ptr<PlayerVideo>
+PlayerVideo::shallow_copy () const
+{
+ return std::make_shared<PlayerVideo>(
+ _in,
+ _crop,
+ _fade,
+ _inter_size,
+ _out_size,
+ _eyes,
+ _part,
+ _colour_conversion,
+ _video_range,
+ _content,
+ _video_frame,
+ _error
+ );
+}
+
+
+/** Re-read crop, fade, inter/out size, colour conversion and video range from our content.
+ * @return true if this was possible, false if not.
+ */
+bool
+PlayerVideo::reset_metadata (shared_ptr<const Film> film, dcp::Size player_video_container_size)
+{
+ auto content = _content.lock();
+ if (!content || !_video_frame) {
+ return false;
+ }
+
+ _crop = content->video->actual_crop();
+ _fade = content->video->fade(film, _video_frame.get());
+ _inter_size = scale_for_display(
+ content->video->scaled_size(film->frame_size()),
+ player_video_container_size,
+ film->frame_size(),
+ content->video->pixel_quanta()
+ );
+ _out_size = player_video_container_size;
+ _colour_conversion = content->video->colour_conversion();
+ _video_range = content->video->range();
+
+ return true;
+}