/*
- Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2018 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
*/
#include "player_video.h"
+#include "content.h"
+#include "video_content.h"
#include "image.h"
#include "image_proxy.h"
#include "j2k_image_proxy.h"
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;
PlayerVideo::PlayerVideo (
shared_ptr<const ImageProxy> in,
- DCPTime time,
Crop crop,
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<double> ("Fade");
if (node->optional_number_child<int> ("SubtitleX")) {
shared_ptr<Image> image (
- new Image (AV_PIX_FMT_RGBA, dcp::Size (node->number_child<int> ("SubtitleWidth"), node->number_child<int> ("SubtitleHeight")), true)
+ new Image (AV_PIX_FMT_BGRA, dcp::Size (node->number_child<int> ("SubtitleWidth"), node->number_child<int> ("SubtitleHeight")), true)
);
image->read_from_socket (socket);
- _subtitle = PositionImage (image, Position<int> (node->number_child<int> ("SubtitleX"), node->number_child<int> ("SubtitleY")));
+ _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.
+shared_ptr<Image>
+PlayerVideo::image (function<AVPixelFormat (AVPixelFormat)> pixel_format, bool aligned, 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, aligned, fast);
+ }
+ return _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 always_rgb and keep_xyz_or_rgb are provided for use here.
+ * output pixel format. Two functions force 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 (dcp::NoteHandler note, function<AVPixelFormat (AVPixelFormat)> pixel_format, bool aligned, bool fast) const
+void
+PlayerVideo::make_image (function<AVPixelFormat (AVPixelFormat)> pixel_format, bool aligned, bool fast) const
{
- shared_ptr<Image> im = _in->image (optional<dcp::NoteHandler> (note));
+ _image_crop = _crop;
+ _image_inter_size = _inter_size;
+ _image_out_size = _out_size;
+ _image_fade = _fade;
+
+ pair<shared_ptr<Image>, int> prox = _in->image (_inter_size);
+ shared_ptr<Image> im = prox.first;
+ int const reduce = prox.second;
Crop total_crop = _crop;
switch (_part) {
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 (_in->pixel_format()), aligned, fast
+ _image = im->crop_scale_window (
+ total_crop, _inter_size, _out_size, yuv_to_rgb, pixel_format (im->pixel_format()), aligned, fast
);
- if (_subtitle) {
- out->alpha_blend (_subtitle->image, _subtitle->position);
+ if (_text) {
+ _image->alpha_blend (Image::ensure_aligned (_text->image), _text->position);
}
if (_fade) {
- out->fade (_fade.get ());
+ _image->fade (_fade.get ());
}
-
- return out;
}
void
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 ()));
if (_colour_conversion) {
_colour_conversion.get().as_xml (node);
}
- if (_subtitle) {
- 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));
}
}
PlayerVideo::send_binary (shared_ptr<Socket> socket) const
{
_in->send_binary (socket);
- if (_subtitle) {
- _subtitle->image->write_to_socket (socket);
+ if (_text) {
+ _text->image->write_to_socket (socket);
}
}
return false;
}
- return _crop == Crop () && _inter_size == j2k->size() && !_subtitle && !_fade && !_colour_conversion;
+ return _crop == Crop () && _out_size == j2k->size() && !_text && !_fade && !_colour_conversion;
}
Data
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
{
if (_crop != other->_crop ||
- _fade.get_value_or(0) != other->_fade.get_value_or(0) ||
+ _fade != other->_fade ||
_inter_size != other->_inter_size ||
_out_size != other->_out_size ||
_eyes != other->_eyes ||
return false;
}
- if ((!_subtitle && other->_subtitle) || (_subtitle && !other->_subtitle)) {
- /* One has a subtitle and the other doesn't */
+ if ((!_text && other->_text) || (_text && !other->_text)) {
+ /* One has a text and the other doesn't */
return false;
}
- if (_subtitle && other->_subtitle && !_subtitle->same (other->_subtitle.get ())) {
- /* They both have subtitles but they are different */
+ if (_text && other->_text && !_text->same (other->_text.get ())) {
+ /* They both have texts but they are different */
return false;
}
}
AVPixelFormat
-PlayerVideo::always_rgb (AVPixelFormat)
+PlayerVideo::force (AVPixelFormat, AVPixelFormat force_to)
{
- return AV_PIX_FMT_RGB24;
+ return force_to;
}
AVPixelFormat
{
return p == AV_PIX_FMT_XYZ12LE ? AV_PIX_FMT_XYZ12LE : AV_PIX_FMT_RGB48LE;
}
+
+void
+PlayerVideo::prepare (function<AVPixelFormat (AVPixelFormat)> pixel_format, bool aligned, bool fast)
+{
+ _in->prepare (_inter_size);
+ boost::mutex::scoped_lock lm (_mutex);
+ if (!_image) {
+ make_image (pixel_format, aligned, 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 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 (shared_ptr<const Film> film, 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(film, _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;
+}