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/*
* Copyright (C) 2014 Arne Morten Kvarving
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#include "AudioBookFileDirectory.h"
#include "FileItem.h"
#include "TextureDatabase.h"
#include "URL.h"
#include "Util.h"
#include "cores/FFmpeg.h"
#include "filesystem/File.h"
#include "guilib/LocalizeStrings.h"
#include "music/tags/MusicInfoTag.h"
#include "utils/StringUtils.h"
using namespace XFILE;
static int cfile_file_read(void *h, uint8_t* buf, int size)
{
CFile* pFile = static_cast<CFile*>(h);
return pFile->Read(buf, size);
}
static int64_t cfile_file_seek(void *h, int64_t pos, int whence)
{
CFile* pFile = static_cast<CFile*>(h);
if(whence == AVSEEK_SIZE)
return pFile->GetLength();
else
return pFile->Seek(pos, whence & ~AVSEEK_FORCE);
}
CAudioBookFileDirectory::~CAudioBookFileDirectory(void)
{
if (m_fctx)
avformat_close_input(&m_fctx);
if (m_ioctx)
{
av_free(m_ioctx->buffer);
av_free(m_ioctx);
}
}
bool CAudioBookFileDirectory::GetDirectory(const CURL& url,
CFileItemList &items)
{
if (!m_fctx && !ContainsFiles(url))
return true;
std::string title;
std::string author;
std::string album;
AVDictionaryEntry* tag=nullptr;
while ((tag = av_dict_get(m_fctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
{
if (StringUtils::CompareNoCase(tag->key, "title") == 0)
title = tag->value;
else if (StringUtils::CompareNoCase(tag->key, "album") == 0)
album = tag->value;
else if (StringUtils::CompareNoCase(tag->key, "artist") == 0)
author = tag->value;
}
std::string thumb;
if (m_fctx->nb_chapters > 1)
thumb = CTextureUtils::GetWrappedImageURL(url.Get(), "music");
for (size_t i=0;i<m_fctx->nb_chapters;++i)
{
tag=nullptr;
std::string chaptitle = StringUtils::Format(g_localizeStrings.Get(25010), i + 1);
std::string chapauthor;
std::string chapalbum;
while ((tag=av_dict_get(m_fctx->chapters[i]->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
{
if (StringUtils::CompareNoCase(tag->key, "title") == 0)
chaptitle = tag->value;
else if (StringUtils::CompareNoCase(tag->key, "artist") == 0)
chapauthor = tag->value;
else if (StringUtils::CompareNoCase(tag->key, "album") == 0)
chapalbum = tag->value;
}
CFileItemPtr item(new CFileItem(url.Get(),false));
item->GetMusicInfoTag()->SetTrackNumber(i+1);
item->GetMusicInfoTag()->SetLoaded(true);
item->GetMusicInfoTag()->SetTitle(chaptitle);
if (album.empty())
item->GetMusicInfoTag()->SetAlbum(title);
else if (chapalbum.empty())
item->GetMusicInfoTag()->SetAlbum(album);
else
item->GetMusicInfoTag()->SetAlbum(chapalbum);
if (chapauthor.empty())
item->GetMusicInfoTag()->SetArtist(author);
else
item->GetMusicInfoTag()->SetArtist(chapauthor);
item->SetLabel(StringUtils::Format("{0:02}. {1} - {2}", i + 1,
item->GetMusicInfoTag()->GetAlbum(),
item->GetMusicInfoTag()->GetTitle()));
item->SetStartOffset(CUtil::ConvertSecsToMilliSecs(m_fctx->chapters[i]->start *
av_q2d(m_fctx->chapters[i]->time_base)));
item->SetEndOffset(m_fctx->chapters[i]->end * av_q2d(m_fctx->chapters[i]->time_base));
int compare = m_fctx->streams[0]->duration * av_q2d(m_fctx->streams[0]->time_base);
if (item->GetEndOffset() < 0 || item->GetEndOffset() > compare)
{
if (i < m_fctx->nb_chapters-1)
item->SetEndOffset(m_fctx->chapters[i + 1]->start *
av_q2d(m_fctx->chapters[i + 1]->time_base));
else
item->SetEndOffset(compare);
}
item->SetEndOffset(CUtil::ConvertSecsToMilliSecs(item->GetEndOffset()));
item->GetMusicInfoTag()->SetDuration(
CUtil::ConvertMilliSecsToSecsInt(item->GetEndOffset() - item->GetStartOffset()));
item->SetProperty("item_start", item->GetStartOffset());
if (!thumb.empty())
item->SetArt("thumb", thumb);
items.Add(item);
}
return true;
}
bool CAudioBookFileDirectory::Exists(const CURL& url)
{
return CFile::Exists(url) && ContainsFiles(url);
}
bool CAudioBookFileDirectory::ContainsFiles(const CURL& url)
{
CFile file;
if (!file.Open(url))
return false;
uint8_t* buffer = (uint8_t*)av_malloc(32768);
m_ioctx = avio_alloc_context(buffer, 32768, 0, &file, cfile_file_read,
nullptr, cfile_file_seek);
m_fctx = avformat_alloc_context();
m_fctx->pb = m_ioctx;
if (file.IoControl(IOCTRL_SEEK_POSSIBLE, nullptr) == 0)
m_ioctx->seekable = 0;
m_ioctx->max_packet_size = 32768;
const AVInputFormat* iformat = nullptr;
av_probe_input_buffer(m_ioctx, &iformat, url.Get().c_str(), nullptr, 0, 0);
bool contains = false;
if (avformat_open_input(&m_fctx, url.Get().c_str(), iformat, nullptr) < 0)
{
if (m_fctx)
avformat_close_input(&m_fctx);
av_free(m_ioctx->buffer);
av_free(m_ioctx);
return false;
}
contains = m_fctx->nb_chapters > 1;
return contains;
}
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