/*
- Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2018 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 "player_video.h"
+#include "content.h"
+#include "video_content.h"
#include "image.h"
#include "image_proxy.h"
#include "j2k_image_proxy.h"
#include "film.h"
-#include "raw_convert.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::pair;
using boost::shared_ptr;
+using boost::weak_ptr;
using boost::dynamic_pointer_cast;
using boost::optional;
+using boost::function;
+using dcp::Data;
+using dcp::raw_convert;
PlayerVideo::PlayerVideo (
shared_ptr<const ImageProxy> in,
- DCPTime time,
Crop crop,
- boost::optional<float> fade,
+ boost::optional<double> fade,
dcp::Size inter_size,
dcp::Size out_size,
Eyes eyes,
Part part,
- optional<ColourConversion> colour_conversion
+ optional<ColourConversion> colour_conversion,
+ weak_ptr<Content> content,
+ optional<Frame> video_frame
)
: _in (in)
- , _time (time)
, _crop (crop)
, _fade (fade)
, _inter_size (inter_size)
, _eyes (eyes)
, _part (part)
, _colour_conversion (colour_conversion)
+ , _content (content)
+ , _video_frame (video_frame)
{
}
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<float> ("Fade");
+ _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"));
_in = image_proxy_factory (node->node_child ("In"), socket);
if (node->optional_number_child<int> ("SubtitleX")) {
-
- _subtitle.position = Position<int> (node->number_child<int> ("SubtitleX"), node->number_child<int> ("SubtitleY"));
- _subtitle.image.reset (
- new Image (PIX_FMT_RGBA, dcp::Size (node->number_child<int> ("SubtitleWidth"), node->number_child<int> ("SubtitleHeight")), true)
+ shared_ptr<Image> image (
+ new Image (AV_PIX_FMT_BGRA, dcp::Size (node->number_child<int> ("SubtitleWidth"), node->number_child<int> ("SubtitleHeight")), true)
);
-
- _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;
}
+/** Create an image for this frame.
+ * @param note Handler for any notes that are made during the process.
+ * @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 always_rgb and keep_xyz_or_rgb are provided for use here.
+ * @param aligned true if the output image should be aligned to 32-byte boundaries.
+ * @param fast true to be fast at the expense of quality.
+ */
shared_ptr<Image>
-PlayerVideo::image (AVPixelFormat pixel_format, bool burn_subtitle, dcp::NoteHandler note) const
+PlayerVideo::image (dcp::NoteHandler note, function<AVPixelFormat (AVPixelFormat)> pixel_format, bool aligned, bool fast) const
{
- shared_ptr<Image> im = _in->image (optional<dcp::NoteHandler> (note));
-
+ pair<shared_ptr<Image>, int> prox = _in->image (optional<dcp::NoteHandler> (note), _inter_size);
+ shared_ptr<Image> im = prox.first;
+ int const reduce = prox.second;
+
Crop total_crop = _crop;
switch (_part) {
case PART_LEFT_HALF:
break;
}
+ if (reduce > 0) {
+ /* Scale the crop down to account for the scaling that has already happened in ImageProxy::image */
+ int const r = pow(2, reduce);
+ total_crop.left /= r;
+ total_crop.right /= r;
+ total_crop.top /= r;
+ total_crop.bottom /= r;
+ }
+
dcp::YUVToRGB yuv_to_rgb = dcp::YUV_TO_RGB_REC601;
if (_colour_conversion) {
yuv_to_rgb = _colour_conversion.get().yuv_to_rgb();
}
-
- shared_ptr<Image> out = im->crop_scale_window (total_crop, _inter_size, _out_size, yuv_to_rgb, pixel_format, true);
- if (burn_subtitle && _subtitle.image) {
- out->alpha_blend (_subtitle.image, _subtitle.position);
+ shared_ptr<Image> out = im->crop_scale_window (
+ total_crop, _inter_size, _out_size, yuv_to_rgb, pixel_format (_in->pixel_format()), aligned, fast
+ );
+
+ if (_text) {
+ out->alpha_blend (Image::ensure_aligned (_text->image), _text->position);
}
if (_fade) {
}
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 ()));
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("Eyes")->add_child_text (raw_convert<string> (_eyes));
- node->add_child("Part")->add_child_text (raw_convert<string> (_part));
+ 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)));
if (_colour_conversion) {
_colour_conversion.get().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));
+ 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::send_binary (shared_ptr<Socket> socket) const
{
_in->send_binary (socket);
- if (send_subtitles && _subtitle.image) {
- _subtitle.image->write_to_socket (socket);
+ if (_text) {
+ _text->image->write_to_socket (socket);
}
}
bool
PlayerVideo::has_j2k () const
{
- /* XXX: burnt-in subtitle; maybe other things */
-
+ /* XXX: maybe other things */
+
shared_ptr<const J2KImageProxy> 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() && !_text && !_fade && !_colour_conversion;
}
-shared_ptr<EncodedData>
+Data
PlayerVideo::j2k () const
{
shared_ptr<const J2KImageProxy> j2k = dynamic_pointer_cast<const J2KImageProxy> (_in);
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
- * (apart from _time), false if it is probably not
- */
+/** @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
{
_out_size != other->_out_size ||
_eyes != other->_eyes ||
_part != other->_part ||
- _colour_conversion != other->_colour_conversion ||
- !_subtitle.same (other->_subtitle)) {
+ _colour_conversion != other->_colour_conversion) {
+ 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::always_rgb (AVPixelFormat)
+{
+ return AV_PIX_FMT_RGB24;
+}
+
+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 ()
+{
+ _in->prepare (_inter_size);
+}
+
+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 shared_ptr<PlayerVideo>(
+ new PlayerVideo(
+ _in,
+ _crop,
+ _fade,
+ _inter_size,
+ _out_size,
+ _eyes,
+ _part,
+ _colour_conversion,
+ _content,
+ _video_frame
+ )
+ );
+}
+
+/** Re-read crop, fade, inter/out size and colour conversion from our content.
+ * @return true if this was possible, false if not.
+ */
+bool
+PlayerVideo::reset_metadata (dcp::Size video_container_size, dcp::Size film_frame_size)
+{
+ shared_ptr<Content> content = _content.lock();
+ if (!content || !_video_frame) {
+ return false;
+ }
+
+ _crop = content->video->crop();
+ _fade = content->video->fade(_video_frame.get());
+ _inter_size = content->video->scale().size(content->video, video_container_size, film_frame_size);
+ _out_size = video_container_size;
+ _colour_conversion = content->video->colour_conversion();
+
+ return true;
+}