tdlight/td/telegram/VoiceNotesManager.cpp
2021-06-30 13:31:50 +02:00

209 lines
7.7 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/VoiceNotesManager.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/utils/buffer.h"
#include "td/utils/logging.h"
#include "td/utils/misc.h"
#include "td/utils/Status.h"
namespace td {
VoiceNotesManager::VoiceNotesManager(Td *td) : td_(td) {
}
int32 VoiceNotesManager::get_voice_note_duration(FileId file_id) const {
auto it = voice_notes_.find(file_id);
if (it == voice_notes_.end() || it->second == nullptr) {
return 0;
}
return it->second->duration;
}
tl_object_ptr<td_api::voiceNote> VoiceNotesManager::get_voice_note_object(FileId file_id) {
if (!file_id.is_valid()) {
return nullptr;
}
auto &voice_note = voice_notes_[file_id];
CHECK(voice_note != nullptr);
voice_note->is_changed = false;
return make_tl_object<td_api::voiceNote>(voice_note->duration, voice_note->waveform, voice_note->mime_type,
td_->file_manager_->get_file_object(file_id));
}
FileId VoiceNotesManager::on_get_voice_note(unique_ptr<VoiceNote> new_voice_note, bool replace) {
auto file_id = new_voice_note->file_id;
CHECK(file_id.is_valid());
LOG(INFO) << "Receive voice note " << file_id;
auto &v = voice_notes_[file_id];
if (v == nullptr) {
v = std::move(new_voice_note);
} else if (replace) {
CHECK(v->file_id == new_voice_note->file_id);
if (v->mime_type != new_voice_note->mime_type) {
LOG(DEBUG) << "Voice note " << file_id << " info has changed";
v->mime_type = new_voice_note->mime_type;
v->is_changed = true;
}
if (v->duration != new_voice_note->duration || v->waveform != new_voice_note->waveform) {
LOG(DEBUG) << "Voice note " << file_id << " info has changed";
v->duration = new_voice_note->duration;
v->waveform = new_voice_note->waveform;
v->is_changed = true;
}
}
return file_id;
}
const VoiceNotesManager::VoiceNote *VoiceNotesManager::get_voice_note(FileId file_id) const {
auto voice_note = voice_notes_.find(file_id);
if (voice_note == voice_notes_.end() ||
voice_note->second == nullptr ||
voice_note->second->file_id != file_id) {
return make_unique<VoiceNote>().get();
}
return voice_note->second.get();
}
FileId VoiceNotesManager::dup_voice_note(FileId new_id, FileId old_id) {
const VoiceNote *old_voice_note = get_voice_note(old_id);
CHECK(old_voice_note != nullptr);
auto &new_voice_note = voice_notes_[new_id];
CHECK(!new_voice_note);
new_voice_note = make_unique<VoiceNote>(*old_voice_note);
new_voice_note->file_id = new_id;
return new_id;
}
bool VoiceNotesManager::merge_voice_notes(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 voice notes " << new_id << " and " << old_id;
const VoiceNote *old_ = get_voice_note(old_id);
CHECK(old_ != nullptr);
if (old_id == new_id) {
return old_->is_changed;
}
auto new_it = voice_notes_.find(new_id);
if (new_it == voice_notes_.end() || new_it->second == nullptr) {
auto &old = voice_notes_[old_id];
old->is_changed = true;
if (!can_delete_old) {
dup_voice_note(new_id, old_id);
} else {
old->file_id = new_id;
voice_notes_.emplace(new_id, std::move(old));
}
} else {
VoiceNote *new_ = new_it->second.get();
CHECK(new_ != nullptr);
if (!old_->mime_type.empty() && old_->mime_type != new_->mime_type) {
LOG(INFO) << "Voice note has changed: mime_type = (" << old_->mime_type << ", " << new_->mime_type << ")";
}
new_->is_changed = true;
}
LOG_STATUS(td_->file_manager_->merge(new_id, old_id));
if (can_delete_old) {
voice_notes_.erase(old_id);
}
return true;
}
void VoiceNotesManager::create_voice_note(FileId file_id, string mime_type, int32 duration, string waveform,
bool replace) {
auto v = make_unique<VoiceNote>();
v->file_id = file_id;
v->mime_type = std::move(mime_type);
v->duration = max(duration, 0);
v->waveform = std::move(waveform);
on_get_voice_note(std::move(v), replace);
}
SecretInputMedia VoiceNotesManager::get_secret_input_media(FileId voice_file_id,
tl_object_ptr<telegram_api::InputEncryptedFile> input_file,
const string &caption) const {
auto *voice_note = get_voice_note(voice_file_id);
CHECK(voice_note != nullptr);
auto file_view = td_->file_manager_->get_file_view(voice_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{};
}
vector<tl_object_ptr<secret_api::DocumentAttribute>> attributes;
attributes.push_back(make_tl_object<secret_api::documentAttributeAudio>(
secret_api::documentAttributeAudio::VOICE_MASK | secret_api::documentAttributeAudio::WAVEFORM_MASK,
false /*ignored*/, voice_note->duration, "", "", BufferSlice(voice_note->waveform)));
return SecretInputMedia{std::move(input_file),
make_tl_object<secret_api::decryptedMessageMediaDocument>(
BufferSlice(), 0, 0, voice_note->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> VoiceNotesManager::get_input_media(
FileId file_id, tl_object_ptr<telegram_api::InputFile> input_file) 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,
string());
}
if (file_view.has_url()) {
return make_tl_object<telegram_api::inputMediaDocumentExternal>(0, file_view.url(), 0);
}
if (input_file != nullptr) {
const VoiceNote *voice_note = get_voice_note(file_id);
CHECK(voice_note != nullptr);
vector<tl_object_ptr<telegram_api::DocumentAttribute>> attributes;
int32 flags = telegram_api::documentAttributeAudio::VOICE_MASK;
if (!voice_note->waveform.empty()) {
flags |= telegram_api::documentAttributeAudio::WAVEFORM_MASK;
}
attributes.push_back(make_tl_object<telegram_api::documentAttributeAudio>(
flags, false /*ignored*/, voice_note->duration, "", "", BufferSlice(voice_note->waveform)));
string mime_type = voice_note->mime_type;
if (mime_type != "audio/ogg" && mime_type != "audio/mpeg" && mime_type != "audio/mp4") {
mime_type = "audio/ogg";
}
return make_tl_object<telegram_api::inputMediaUploadedDocument>(
0, false /*ignored*/, false /*ignored*/, std::move(input_file), nullptr, mime_type, std::move(attributes),
vector<tl_object_ptr<telegram_api::InputDocument>>(), 0);
} else {
CHECK(!file_view.has_remote_location());
}
return nullptr;
}
} // namespace td