tdlight/td/telegram/AudiosManager.cpp

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
//
// 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/AudiosManager.h"
#include "td/telegram/files/FileManager.h"
#include "td/telegram/Td.h"
#include "td/telegram/secret_api.h"
#include "td/telegram/td_api.h"
#include "td/telegram/telegram_api.h"
#include "td/utils/logging.h"
#include "td/utils/misc.h"
#include "td/utils/Status.h"
namespace td {
AudiosManager::AudiosManager(Td *td) : td_(td) {
}
int32 AudiosManager::get_audio_duration(FileId file_id) const {
auto it = audios_.find(file_id);
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if (it == audios_.end() || it->second == nullptr) {
return 0;
}
return it->second->duration;
}
tl_object_ptr<td_api::audio> AudiosManager::get_audio_object(FileId file_id) {
if (!file_id.is_valid()) {
return nullptr;
}
auto &audio = audios_[file_id];
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if (audio == nullptr) {
return nullptr;
}
audio->is_changed = false;
return make_tl_object<td_api::audio>(
audio->duration, audio->title, audio->performer, audio->file_name, audio->mime_type,
get_minithumbnail_object(audio->minithumbnail),
get_thumbnail_object(td_->file_manager_.get(), audio->thumbnail, PhotoFormat::Jpeg),
td_->file_manager_->get_file_object(file_id));
}
FileId AudiosManager::on_get_audio(unique_ptr<Audio> new_audio, bool replace) {
auto file_id = new_audio->file_id;
CHECK(file_id.is_valid());
LOG(INFO) << "Receive audio " << file_id;
auto &a = audios_[file_id];
if (a == nullptr) {
a = std::move(new_audio);
} else if (replace) {
CHECK(a->file_id == new_audio->file_id);
if (a->mime_type != new_audio->mime_type) {
LOG(DEBUG) << "Audio " << file_id << " info has changed";
a->mime_type = new_audio->mime_type;
a->is_changed = true;
}
if (a->duration != new_audio->duration || a->title != new_audio->title || a->performer != new_audio->performer) {
LOG(DEBUG) << "Audio " << file_id << " info has changed";
a->duration = new_audio->duration;
a->title = new_audio->title;
a->performer = new_audio->performer;
a->is_changed = true;
}
if (a->file_name != new_audio->file_name) {
LOG(DEBUG) << "Audio " << file_id << " file name has changed";
a->file_name = std::move(new_audio->file_name);
a->is_changed = true;
}
if (a->minithumbnail != new_audio->minithumbnail) {
a->minithumbnail = std::move(new_audio->minithumbnail);
a->is_changed = true;
}
if (a->thumbnail != new_audio->thumbnail) {
if (!a->thumbnail.file_id.is_valid()) {
LOG(DEBUG) << "Audio " << file_id << " thumbnail has changed";
} else {
LOG(INFO) << "Audio " << file_id << " thumbnail has changed from " << a->thumbnail << " to "
<< new_audio->thumbnail;
}
a->thumbnail = new_audio->thumbnail;
a->is_changed = true;
}
}
return file_id;
}
const AudiosManager::Audio *AudiosManager::get_audio(FileId file_id) const {
auto audio = audios_.find(file_id);
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if (audio == audios_.end() || audio->second == nullptr) {
return make_unique<Audio>().get();
}
CHECK(audio->second->file_id == file_id);
return audio->second.get();
}
FileId AudiosManager::dup_audio(FileId new_id, FileId old_id) {
const Audio *old_audio = get_audio(old_id);
CHECK(old_audio != nullptr);
auto &new_audio = audios_[new_id];
CHECK(!new_audio);
new_audio = make_unique<Audio>(*old_audio);
new_audio->file_id = new_id;
new_audio->thumbnail.file_id = td_->file_manager_->dup_file_id(new_audio->thumbnail.file_id);
return new_id;
}
bool AudiosManager::merge_audios(FileId new_id, FileId old_id, bool can_delete_old) {
if (!old_id.is_valid()) {
LOG(ERROR) << "Old file id is invalid";
return true;
}
LOG(INFO) << "Merge audios " << new_id << " and " << old_id;
const Audio *old_ = get_audio(old_id);
CHECK(old_ != nullptr);
if (old_id == new_id) {
return old_->is_changed;
}
auto new_it = audios_.find(new_id);
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if (new_it == audios_.end() || new_it->second == nullptr) {
auto &old = audios_[old_id];
old->is_changed = true;
if (!can_delete_old) {
dup_audio(new_id, old_id);
} else {
old->file_id = new_id;
audios_.emplace(new_id, std::move(old));
}
} else {
Audio *new_ = new_it->second.get();
CHECK(new_ != nullptr);
if (!old_->mime_type.empty() && old_->mime_type != new_->mime_type) {
LOG(INFO) << "Audio 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) {
audios_.erase(old_id);
}
return true;
}
string AudiosManager::get_audio_search_text(FileId file_id) const {
auto audio = get_audio(file_id);
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if (audio == nullptr) {
return "";
}
return PSTRING() << audio->file_name << " " << audio->title << " " << audio->performer;
}
FileId AudiosManager::get_audio_thumbnail_file_id(FileId file_id) const {
auto audio = get_audio(file_id);
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if (audio == nullptr) {
return FileId();
}
return audio->thumbnail.file_id;
}
void AudiosManager::delete_audio_thumbnail(FileId file_id) {
auto &audio = audios_[file_id];
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if (audio == nullptr) {
return;
}
audio->thumbnail = PhotoSize();
}
void AudiosManager::create_audio(FileId file_id, string minithumbnail, PhotoSize thumbnail, string file_name,
string mime_type, int32 duration, string title, string performer, bool replace) {
auto a = make_unique<Audio>();
a->file_id = file_id;
a->file_name = std::move(file_name);
a->mime_type = std::move(mime_type);
a->duration = max(duration, 0);
a->title = std::move(title);
a->performer = std::move(performer);
a->minithumbnail = std::move(minithumbnail);
a->thumbnail = std::move(thumbnail);
on_get_audio(std::move(a), replace);
}
SecretInputMedia AudiosManager::get_secret_input_media(FileId audio_file_id,
tl_object_ptr<telegram_api::InputEncryptedFile> input_file,
const string &caption, BufferSlice thumbnail) const {
auto *audio = get_audio(audio_file_id);
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if (audio == nullptr) {
return SecretInputMedia{};
}
auto file_view = td_->file_manager_->get_file_view(audio_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 (audio->thumbnail.file_id.is_valid() && thumbnail.empty()) {
return SecretInputMedia{};
}
vector<tl_object_ptr<secret_api::DocumentAttribute>> attributes;
if (!audio->file_name.empty()) {
attributes.push_back(make_tl_object<secret_api::documentAttributeFilename>(audio->file_name));
}
attributes.push_back(make_tl_object<secret_api::documentAttributeAudio>(
secret_api::documentAttributeAudio::TITLE_MASK | secret_api::documentAttributeAudio::PERFORMER_MASK,
false /*ignored*/, audio->duration, audio->title, audio->performer, BufferSlice()));
return SecretInputMedia{
std::move(input_file),
make_tl_object<secret_api::decryptedMessageMediaDocument>(
std::move(thumbnail), audio->thumbnail.dimensions.width, audio->thumbnail.dimensions.height, audio->mime_type,
narrow_cast<int32>(file_view.size()), BufferSlice(encryption_key.key_slice()),
BufferSlice(encryption_key.iv_slice()), std::move(attributes), caption)};
}
tl_object_ptr<telegram_api::InputMedia> AudiosManager::get_input_media(
FileId file_id, tl_object_ptr<telegram_api::InputFile> input_file,
tl_object_ptr<telegram_api::InputFile> input_thumbnail) const {
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) {
return make_tl_object<telegram_api::inputMediaDocument>(0, file_view.main_remote_location().as_input_document(), 0);
}
if (file_view.has_url()) {
return make_tl_object<telegram_api::inputMediaDocumentExternal>(0, file_view.url(), 0);
}
if (input_file != nullptr) {
const Audio *audio = get_audio(file_id);
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if (audio == nullptr) {
return nullptr;
}
vector<tl_object_ptr<telegram_api::DocumentAttribute>> attributes;
attributes.push_back(make_tl_object<telegram_api::documentAttributeAudio>(
telegram_api::documentAttributeAudio::TITLE_MASK | telegram_api::documentAttributeAudio::PERFORMER_MASK,
false /*ignored*/, audio->duration, audio->title, audio->performer, BufferSlice()));
if (!audio->file_name.empty()) {
attributes.push_back(make_tl_object<telegram_api::documentAttributeFilename>(audio->file_name));
}
string mime_type = audio->mime_type;
if (!begins_with(mime_type, "audio/")) {
mime_type = "audio/mpeg";
}
int32 flags = 0;
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), vector<tl_object_ptr<telegram_api::InputDocument>>(), 0);
} else {
CHECK(!file_view.has_remote_location());
}
return nullptr;
}
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void AudiosManager::memory_cleanup() {
audios_.clear();
audios_.rehash(0);
}
} // namespace td