tdlight/td/telegram/VideosManager.cpp
2021-08-03 19:55:27 +02:00

342 lines
13 KiB
C++

//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/telegram/VideosManager.h"
#include "td/telegram/AuthManager.h"
#include "td/telegram/files/FileManager.h"
#include "td/telegram/secret_api.h"
#include "td/telegram/Td.h"
#include "td/telegram/td_api.h"
#include "td/telegram/telegram_api.h"
#include "td/telegram/ConfigShared.h"
#include "td/utils/logging.h"
#include "td/utils/misc.h"
#include "td/utils/Status.h"
namespace td {
VideosManager::VideosManager(Td *td) : td_(td) {
}
int32 VideosManager::get_video_duration(FileId file_id) const {
auto it = videos_.find(file_id);
if (it == videos_.end() || it->second == nullptr) {
return 0;
}
return it->second->duration;
}
tl_object_ptr<td_api::video> VideosManager::get_video_object(FileId file_id) {
if (!file_id.is_valid()) {
return nullptr;
}
auto &video = videos_[file_id];
if (video == nullptr) {
return nullptr;
}
video->is_changed = false;
auto thumbnail = video->animated_thumbnail.file_id.is_valid()
? get_thumbnail_object(td_->file_manager_.get(), video->animated_thumbnail, PhotoFormat::Mpeg4)
: get_thumbnail_object(td_->file_manager_.get(), video->thumbnail, PhotoFormat::Jpeg);
return make_tl_object<td_api::video>(video->duration, video->dimensions.width, video->dimensions.height,
video->file_name, video->mime_type, video->has_stickers,
video->supports_streaming, get_minithumbnail_object(video->minithumbnail),
std::move(thumbnail), td_->file_manager_->get_file_object(file_id));
}
FileId VideosManager::on_get_video(unique_ptr<Video> new_video, bool replace) {
auto file_id = new_video->file_id;
CHECK(file_id.is_valid());
LOG(INFO) << "Receive video " << file_id;
auto &v = videos_[file_id];
if (v == nullptr) {
v = std::move(new_video);
} else if (replace) {
CHECK(v->file_id == new_video->file_id);
if (v->mime_type != new_video->mime_type) {
LOG(DEBUG) << "Video " << file_id << " MIME type has changed";
v->mime_type = new_video->mime_type;
v->is_changed = true;
}
if (v->duration != new_video->duration || v->dimensions != new_video->dimensions ||
v->supports_streaming != new_video->supports_streaming) {
LOG(DEBUG) << "Video " << file_id << " info has changed";
v->duration = new_video->duration;
v->dimensions = new_video->dimensions;
v->supports_streaming = new_video->supports_streaming;
v->is_changed = true;
}
if (v->file_name != new_video->file_name) {
LOG(DEBUG) << "Video " << file_id << " file name has changed";
v->file_name = std::move(new_video->file_name);
v->is_changed = true;
}
if (!G()->shared_config().get_option_boolean("disable_minithumbnails")) {
if (v->minithumbnail != new_video->minithumbnail) {
v->minithumbnail = std::move(new_video->minithumbnail);
v->is_changed = true;
}
}
if (v->thumbnail != new_video->thumbnail) {
if (!v->thumbnail.file_id.is_valid()) {
LOG(DEBUG) << "Video " << file_id << " thumbnail has changed";
} else {
LOG(INFO) << "Video " << file_id << " thumbnail has changed from " << v->thumbnail << " to "
<< new_video->thumbnail;
}
v->thumbnail = new_video->thumbnail;
v->is_changed = true;
}
if (v->animated_thumbnail != new_video->animated_thumbnail) {
if (!v->animated_thumbnail.file_id.is_valid()) {
LOG(DEBUG) << "Video " << file_id << " animated thumbnail has changed";
} else {
LOG(INFO) << "Video " << file_id << " animated thumbnail has changed from " << v->animated_thumbnail << " to "
<< new_video->animated_thumbnail;
}
v->animated_thumbnail = new_video->animated_thumbnail;
v->is_changed = true;
}
if (v->has_stickers != new_video->has_stickers && new_video->has_stickers) {
v->has_stickers = new_video->has_stickers;
v->is_changed = true;
}
if (v->sticker_file_ids != new_video->sticker_file_ids && !new_video->sticker_file_ids.empty()) {
v->sticker_file_ids = std::move(new_video->sticker_file_ids);
v->is_changed = true;
}
}
return file_id;
}
const VideosManager::Video *VideosManager::get_video(FileId file_id) const {
auto video = videos_.find(file_id);
if (video == videos_.end() ||
video->second == nullptr ||
video->second->file_id != file_id) {
return make_unique<Video>().get();
}
return video->second.get();
}
FileId VideosManager::get_video_thumbnail_file_id(FileId file_id) const {
auto video = get_video(file_id);
if (video == nullptr) {
return FileId();
}
return video->thumbnail.file_id;
}
FileId VideosManager::get_video_animated_thumbnail_file_id(FileId file_id) const {
auto video = get_video(file_id);
if (video == nullptr) {
return FileId();
}
return video->animated_thumbnail.file_id;
}
void VideosManager::delete_video_thumbnail(FileId file_id) {
auto &video = videos_[file_id];
if (video == nullptr) {
return;
}
video->thumbnail = PhotoSize();
video->animated_thumbnail = AnimationSize();
}
FileId VideosManager::dup_video(FileId new_id, FileId old_id) {
const Video *old_video = get_video(old_id);
CHECK(old_video != nullptr);
auto &new_video = videos_[new_id];
CHECK(!new_video);
new_video = make_unique<Video>(*old_video);
new_video->file_id = new_id;
new_video->thumbnail.file_id = td_->file_manager_->dup_file_id(new_video->thumbnail.file_id);
new_video->animated_thumbnail.file_id = td_->file_manager_->dup_file_id(new_video->animated_thumbnail.file_id);
return new_id;
}
bool VideosManager::merge_videos(FileId new_id, FileId old_id, bool can_delete_old) {
if (!old_id.is_valid()) {
LOG(ERROR) << "Old file identifier is invalid";
return true;
}
LOG(INFO) << "Merge videos " << new_id << " and " << old_id;
const Video *old_ = get_video(old_id);
CHECK(old_ != nullptr);
if (old_id == new_id) {
return old_->is_changed;
}
auto new_it = videos_.find(new_id);
if (new_it == videos_.end() || new_it->second == nullptr) {
auto &old = videos_[old_id];
old->is_changed = true;
if (!can_delete_old) {
dup_video(new_id, old_id);
} else {
old->file_id = new_id;
videos_.emplace(new_id, std::move(old));
}
} else {
Video *new_ = new_it->second.get();
CHECK(new_ != nullptr);
if (!old_->mime_type.empty() && old_->mime_type != new_->mime_type) {
LOG(INFO) << "Video has changed: mime_type = (" << old_->mime_type << ", " << new_->mime_type << ")";
}
new_->is_changed = true;
if (old_->thumbnail != new_->thumbnail) {
// LOG_STATUS(td_->file_manager_->merge(new_->thumbnail.file_id, old_->thumbnail.file_id));
}
}
LOG_STATUS(td_->file_manager_->merge(new_id, old_id));
if (can_delete_old) {
videos_.erase(old_id);
}
return true;
}
void VideosManager::create_video(FileId file_id, string minithumbnail, PhotoSize thumbnail,
AnimationSize animated_thumbnail, bool has_stickers, vector<FileId> &&sticker_file_ids,
string file_name, string mime_type, int32 duration, Dimensions dimensions,
bool supports_streaming, bool replace) {
auto v = make_unique<Video>();
v->file_id = file_id;
v->file_name = std::move(file_name);
v->mime_type = std::move(mime_type);
v->duration = max(duration, 0);
v->dimensions = dimensions;
if (!td_->auth_manager_->is_bot() && G()->shared_config().get_option_boolean("disable_minithumbnails")) {
v->minithumbnail = std::move(minithumbnail);
}
v->thumbnail = std::move(thumbnail);
v->animated_thumbnail = std::move(animated_thumbnail);
v->supports_streaming = supports_streaming;
v->has_stickers = has_stickers;
v->sticker_file_ids = std::move(sticker_file_ids);
on_get_video(std::move(v), replace);
}
SecretInputMedia VideosManager::get_secret_input_media(FileId video_file_id,
tl_object_ptr<telegram_api::InputEncryptedFile> input_file,
const string &caption, BufferSlice thumbnail) const {
const Video *video = get_video(video_file_id);
CHECK(video != nullptr);
auto file_view = td_->file_manager_->get_file_view(video_file_id);
auto &encryption_key = file_view.encryption_key();
if (!file_view.is_encrypted_secret() || encryption_key.empty()) {
return SecretInputMedia{};
}
if (file_view.has_remote_location()) {
input_file = file_view.main_remote_location().as_input_encrypted_file();
}
if (!input_file) {
return SecretInputMedia{};
}
if (video->thumbnail.file_id.is_valid() && thumbnail.empty()) {
return {};
}
return SecretInputMedia{
std::move(input_file),
make_tl_object<secret_api::decryptedMessageMediaVideo>(
std::move(thumbnail), video->thumbnail.dimensions.width, video->thumbnail.dimensions.height, video->duration,
video->mime_type, video->dimensions.width, video->dimensions.height, narrow_cast<int32>(file_view.size()),
BufferSlice(encryption_key.key_slice()), BufferSlice(encryption_key.iv_slice()), caption)};
}
tl_object_ptr<telegram_api::InputMedia> VideosManager::get_input_media(
FileId file_id, tl_object_ptr<telegram_api::InputFile> input_file,
tl_object_ptr<telegram_api::InputFile> input_thumbnail, int32 ttl) const {
if (!file_id.is_valid()) {
LOG_IF(ERROR, ttl == 0) << "Video has invalid file_id";
return nullptr;
}
auto file_view = td_->file_manager_->get_file_view(file_id);
if (file_view.is_encrypted()) {
return nullptr;
}
if (file_view.has_remote_location() && !file_view.main_remote_location().is_web() && input_file == nullptr) {
int32 flags = 0;
if (ttl != 0) {
flags |= telegram_api::inputMediaDocument::TTL_SECONDS_MASK;
}
return make_tl_object<telegram_api::inputMediaDocument>(flags, file_view.main_remote_location().as_input_document(),
ttl, string());
}
if (file_view.has_url()) {
int32 flags = 0;
if (ttl != 0) {
flags |= telegram_api::inputMediaDocumentExternal::TTL_SECONDS_MASK;
}
return make_tl_object<telegram_api::inputMediaDocumentExternal>(flags, file_view.url(), ttl);
}
if (input_file != nullptr) {
const Video *video = get_video(file_id);
CHECK(video != nullptr);
int32 attribute_flags = 0;
if (video->supports_streaming) {
attribute_flags |= telegram_api::documentAttributeVideo::SUPPORTS_STREAMING_MASK;
}
vector<tl_object_ptr<telegram_api::DocumentAttribute>> attributes;
attributes.push_back(make_tl_object<telegram_api::documentAttributeVideo>(
attribute_flags, false /*ignored*/, false /*ignored*/, video->duration, video->dimensions.width,
video->dimensions.height));
if (!video->file_name.empty()) {
attributes.push_back(make_tl_object<telegram_api::documentAttributeFilename>(video->file_name));
}
int32 flags = telegram_api::inputMediaUploadedDocument::NOSOUND_VIDEO_MASK;
vector<tl_object_ptr<telegram_api::InputDocument>> added_stickers;
if (video->has_stickers) {
flags |= telegram_api::inputMediaUploadedDocument::STICKERS_MASK;
added_stickers = td_->file_manager_->get_input_documents(video->sticker_file_ids);
}
string mime_type = video->mime_type;
if (!begins_with(mime_type, "video/") || ttl > 0) {
mime_type = "video/mp4";
}
if (ttl != 0) {
flags |= telegram_api::inputMediaUploadedDocument::TTL_SECONDS_MASK;
}
if (input_thumbnail != nullptr) {
flags |= telegram_api::inputMediaUploadedDocument::THUMB_MASK;
}
return make_tl_object<telegram_api::inputMediaUploadedDocument>(
flags, false /*ignored*/, false /*ignored*/, std::move(input_file), std::move(input_thumbnail), mime_type,
std::move(attributes), std::move(added_stickers), ttl);
} else {
CHECK(!file_view.has_remote_location());
}
return nullptr;
}
string VideosManager::get_video_search_text(FileId file_id) const {
auto *video = get_video(file_id);
CHECK(video != nullptr);
return video->file_name;
}
void VideosManager::memory_cleanup() {
videos_.clear();
videos_.rehash(0);
}
void VideosManager::memory_stats(vector<string> &output) {
output.push_back("\"videos_\":"); output.push_back(std::to_string(videos_.size()));
}
} // namespace td