tdesktop/Telegram/SourceFiles/media/streaming/media_streaming_document.cpp

283 lines
7.0 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "media/streaming/media_streaming_document.h"
#include "media/streaming/media_streaming_instance.h"
#include "media/streaming/media_streaming_loader.h"
#include "media/streaming/media_streaming_reader.h"
#include "data/data_session.h"
#include "data/data_document.h"
#include "data/data_photo.h"
#include "data/data_document_media.h"
#include "data/data_file_origin.h"
#include "main/main_session.h"
#include "storage/file_download.h" // Storage::kMaxFileInMemory.
#include "styles/style_widgets.h"
#include <QtCore/QBuffer>
namespace Media {
namespace Streaming {
namespace {
constexpr auto kWaitingFastDuration = crl::time(200);
constexpr auto kWaitingShowDuration = crl::time(500);
constexpr auto kWaitingShowDelay = crl::time(500);
constexpr auto kGoodThumbQuality = 87;
} // namespace
Document::Document(
not_null<DocumentData*> document,
std::shared_ptr<Reader> reader)
: Document(std::move(reader), document, nullptr) {
_player.fullInCache(
) | rpl::start_with_next([=](bool fullInCache) {
_document->setLoadedInMediaCache(fullInCache);
}, _player.lifetime());
}
Document::Document(
not_null<PhotoData*> photo,
std::shared_ptr<Reader> reader)
: Document(std::move(reader), nullptr, photo) {
}
Document::Document(std::unique_ptr<Loader> loader)
: Document(std::make_shared<Reader>(std::move(loader)), nullptr, nullptr) {
}
Document::Document(
std::shared_ptr<Reader> reader,
DocumentData *document,
PhotoData *photo)
: _document(document)
, _photo(photo)
, _player(std::move(reader))
, _radial(
[=] { waitingCallback(); },
st::defaultInfiniteRadialAnimation) {
resubscribe();
}
void Document::resubscribe() {
_subscription = _player.updates(
) | rpl::start_with_next_error([=](Update &&update) {
handleUpdate(std::move(update));
}, [=](Streaming::Error &&error) {
handleError(std::move(error));
resubscribe();
});
}
Player &Document::player() {
return _player;
}
const Player &Document::player() const {
return _player;
}
const Information &Document::info() const {
return _info;
}
void Document::play(const PlaybackOptions &options) {
_player.play(options);
_info.audio.state.position
= _info.video.state.position
= options.position;
waitingChange(true);
}
void Document::saveFrameToCover() {
_info.video.cover = _player.ready()
? _player.currentFrameImage()
: _info.video.cover;
}
void Document::registerInstance(not_null<Instance*> instance) {
_instances.emplace(instance);
}
void Document::unregisterInstance(not_null<Instance*> instance) {
_instances.remove(instance);
_player.unregisterInstance(instance);
refreshPlayerPriority();
}
void Document::refreshPlayerPriority() {
if (_instances.empty()) {
return;
}
const auto max = ranges::max_element(
_instances,
ranges::less(),
&Instance::priority);
_player.setLoaderPriority((*max)->priority());
}
bool Document::waitingShown() const {
if (!_fading.animating() && !_waiting) {
_radial.stop(anim::type::instant);
return false;
}
return _radial.animating();
}
float64 Document::waitingOpacity() const {
return _fading.value(_waiting ? 1. : 0.);
}
Ui::RadialState Document::waitingState() const {
return _radial.computeState();
}
void Document::handleUpdate(Update &&update) {
v::match(update.data, [&](Information &update) {
ready(std::move(update));
}, [&](const PreloadedVideo &update) {
_info.video.state.receivedTill = update.till;
}, [&](const UpdateVideo &update) {
_info.video.state.position = update.position;
}, [&](const PreloadedAudio &update) {
_info.audio.state.receivedTill = update.till;
}, [&](const UpdateAudio &update) {
_info.audio.state.position = update.position;
}, [&](const WaitingForData &update) {
waitingChange(update.waiting);
}, [&](MutedByOther) {
}, [&](Finished) {
const auto finishTrack = [](TrackState &state) {
state.position = state.receivedTill = state.duration;
};
finishTrack(_info.audio.state);
finishTrack(_info.video.state);
});
}
void Document::handleError(Error &&error) {
if (_document) {
if (error == Error::NotStreamable) {
_document->setNotSupportsStreaming();
} else if (error == Error::OpenFailed) {
_document->setInappPlaybackFailed();
}
} else if (_photo) {
if (error == Error::NotStreamable || error == Error::OpenFailed) {
_photo->setVideoPlaybackFailed();
}
}
waitingChange(false);
}
void Document::ready(Information &&info) {
_info = std::move(info);
validateGoodThumbnail();
waitingChange(false);
}
void Document::waitingChange(bool waiting) {
if (_waiting == waiting) {
return;
}
_waiting = waiting;
const auto fade = [=](crl::time duration) {
if (!_radial.animating()) {
_radial.start(
st::defaultInfiniteRadialAnimation.sineDuration);
}
_fading.start(
[=] { waitingCallback(); },
_waiting ? 0. : 1.,
_waiting ? 1. : 0.,
duration);
};
if (waiting) {
if (_radial.animating()) {
_timer.cancel();
fade(kWaitingFastDuration);
} else {
_timer.callOnce(kWaitingShowDelay);
_timer.setCallback([=] {
fade(kWaitingShowDuration);
});
}
} else {
_timer.cancel();
if (_radial.animating()) {
fade(kWaitingFastDuration);
}
}
}
void Document::validateGoodThumbnail() {
if (_info.video.cover.isNull()
|| !_document
|| _document->goodThumbnailChecked()) {
return;
}
const auto sticker = (_document->sticker() != nullptr);
const auto document = _document;
const auto information = _info.video;
const auto key = document->goodThumbnailCacheKey();
const auto guard = base::make_weak(&document->session());
document->owner().cache().get(key, [=](QByteArray value) {
if (!value.isEmpty()) {
return;
}
const auto image = [&] {
auto result = information.cover;
if (information.rotation != 0) {
auto transform = QTransform();
transform.rotate(information.rotation);
result = result.transformed(transform);
}
if (result.size() != information.size) {
result = result.scaled(
information.size,
Qt::IgnoreAspectRatio,
Qt::SmoothTransformation);
}
if (!sticker && information.alpha) {
result = Images::Opaque(std::move(result));
}
return result;
}();
auto bytes = QByteArray();
{
auto buffer = QBuffer(&bytes);
image.save(&buffer, sticker ? "WEBP" : "JPG", kGoodThumbQuality);
}
const auto length = bytes.size();
if (!length || length > Storage::kMaxFileInMemory) {
LOG(("App Error: Bad thumbnail data for saving to cache."));
bytes = "(failed)";
}
crl::on_main(guard, [=] {
if (const auto active = document->activeMediaView()) {
active->setGoodThumbnail(image);
}
document->owner().cache().putIfEmpty(
document->goodThumbnailCacheKey(),
Storage::Cache::Database::TaggedValue(
base::duplicate(bytes),
Data::kImageCacheTag));
});
});
}
void Document::waitingCallback() {
for (const auto &instance : _instances) {
instance->callWaitingCallback();
}
}
} // namespace Streaming
} // namespace Media