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MythDirectory.cpp
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MythDirectory.cpp
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/*
* Copyright (C) 2005-2008 Team XBMC
* http://www.xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "MythDirectory.h"
#include "MythSession.h"
#include "utils/URIUtils.h"
#include "DllLibCMyth.h"
#include "video/VideoInfoTag.h"
#include "URL.h"
#include "settings/GUISettings.h"
#include "settings/AdvancedSettings.h"
#include "FileItem.h"
#include "utils/StringUtils.h"
#include "guilib/LocalizeStrings.h"
#include "utils/log.h"
#include "DirectoryCache.h"
#include "utils/TimeUtils.h"
extern "C"
{
#include "cmyth/include/cmyth/cmyth.h"
#include "cmyth/include/refmem/refmem.h"
}
using namespace XFILE;
using namespace std;
CMythDirectory::CMythDirectory()
{
m_session = NULL;
m_dll = NULL;
m_database = NULL;
m_recorder = NULL;
}
CMythDirectory::~CMythDirectory()
{
Release();
}
DIR_CACHE_TYPE CMythDirectory::GetCacheType(const CStdString& strPath) const
{
CURL url(strPath);
CStdString fileName = url.GetFileName();
URIUtils::RemoveSlashAtEnd(fileName);
/*
* Always cache "All Recordings", "Guide" (top folder only), "Movies", and "TV Shows" (including
* sub folders).
*
* Entire directory cache for myth:// is invalidated when the root directory is requested to
* ensure content is always up-to-date.
*/
if (fileName == "recordings"
|| fileName == "guide"
|| fileName == "movies"
|| fileName.Left(7) == "tvshows")
return DIR_CACHE_ALWAYS;
return DIR_CACHE_ONCE;
}
void CMythDirectory::Release()
{
if (m_recorder)
{
m_dll->ref_release(m_recorder);
m_recorder = NULL;
}
if (m_session)
{
CMythSession::ReleaseSession(m_session);
m_session = NULL;
}
m_dll = NULL;
}
bool CMythDirectory::GetGuide(const CStdString& base, CFileItemList &items)
{
cmyth_database_t db = m_session->GetDatabase();
if (!db)
return false;
cmyth_chanlist_t list = m_dll->mysql_get_chanlist(db);
if (!list)
{
CLog::Log(LOGERROR, "%s - Unable to get list of channels: %s", __FUNCTION__, base.c_str());
return false;
}
CURL url(base);
int count = m_dll->chanlist_get_count(list);
for (int i = 0; i < count; i++)
{
cmyth_channel_t channel = m_dll->chanlist_get_item(list, i);
if (channel)
{
if (!m_dll->channel_visible(channel))
{
m_dll->ref_release(channel);
continue;
}
int channum = m_dll->channel_channum(channel); // e.g. 3
CStdString name = GetValue(m_dll->channel_name(channel)); // e.g. TV3
if (channum <= 0)
{
CLog::Log(LOGDEBUG, "%s - Skipping channel number %d as <= 0: %s", __FUNCTION__, channum, name.c_str());
m_dll->ref_release(channel);
continue;
}
CLog::Log(LOGDEBUG, "%s - Adding channel number %d: %s", __FUNCTION__, channum, name.c_str());
CStdString number;
number.Format("%d", channum); // CStdString easier for string manipulation than int.
url.SetFileName("guide/" + number);
CFileItemPtr item(new CFileItem(url.Get(), true));
item->m_strTitle = number;
if (!name.IsEmpty())
item->m_strTitle += " - " + name; // e.g. 3 - TV3
CStdString icon = GetValue(m_dll->channel_icon(channel));
if (!icon.IsEmpty())
{
url.SetFileName("files/channels/" + URIUtils::GetFileName(icon)); // e.g. files/channels/tv3.jpg
item->SetThumbnailImage(url.Get());
}
items.Add(item);
m_dll->ref_release(channel);
}
}
items.AddSortMethod(SORT_METHOD_LABEL, 551 /* Name */, LABEL_MASKS("", "", "%K", ""));
m_dll->ref_release(list);
return true;
}
bool CMythDirectory::GetGuideForChannel(const CStdString& base, CFileItemList &items, int channelNumber)
{
cmyth_database_t database = m_session->GetDatabase();
if (!database)
{
CLog::Log(LOGERROR, "%s - Could not get database", __FUNCTION__);
return false;
}
time_t now;
time(&now);
time_t end = now + (24 * 60 * 60); // How many seconds of EPG from now we should grab, 24 hours in seconds
cmyth_program_t *program = NULL;
// TODO: See if there is a way to just get the entries for the chosen channel rather than ALL
int count = m_dll->mysql_get_guide(database, &program, now, end);
CLog::Log(LOGDEBUG, "%s - %i entries in guide data", __FUNCTION__, count);
if (count <= 0)
return false;
for (int i = 0; i < count; i++)
{
if (program[i].channum == channelNumber)
{
CFileItemPtr item(new CFileItem("", false)); // No path for guide entries
/*
* Set the FileItem meta data.
*/
CStdString title = program[i].title; // e.g. Mythbusters
CStdString subtitle = program[i].subtitle; // e.g. The Pirate Special
CDateTime localstart;
if (program[i].starttime)
localstart = CTimeUtils::GetLocalTime(program[i].starttime);
item->m_strTitle.Format("%s - %s", localstart.GetAsLocalizedTime("HH:mm", false), title); // e.g. 20:30 - Mythbusters
if (!subtitle.IsEmpty())
item->m_strTitle += " - \"" + subtitle + "\""; // e.g. 20:30 - Mythbusters - "The Pirate Special"
item->m_dateTime = localstart;
/*
* Set the VideoInfoTag meta data so it matches the FileItem meta data where possible.
*/
CVideoInfoTag* tag = item->GetVideoInfoTag();
tag->m_strTitle = title;
if (!subtitle.IsEmpty())
tag->m_strTitle += " - \"" + subtitle + "\""; // e.g. Mythbusters - "The Pirate Special"
tag->m_strShowTitle = title;
tag->m_strOriginalTitle = title;
tag->m_strPlotOutline = subtitle;
tag->m_strPlot = program[i].description;
// TODO: Strip out the subtitle from the description if it is present at the start?
// TODO: Do we need to add the subtitle to the start of the plot if not already as it used to? Seems strange, should be handled by skin?
tag->m_genre = StringUtils::Split(program[i].category, g_advancedSettings.m_videoItemSeparator); // e.g. Sports
tag->m_strAlbum = program[i].callsign; // e.g. TV3
CDateTime start(program[i].starttime);
CDateTime end(program[i].endtime);
CDateTimeSpan runtime = end - start;
tag->m_strRuntime = StringUtils::SecondsToTimeString(runtime.GetSeconds() +
runtime.GetMinutes() * 60 +
runtime.GetHours() * 3600);
tag->m_iSeason = 0; // So XBMC treats the content as an episode and displays tag information.
tag->m_iEpisode = 0;
items.Add(item);
}
}
/*
* Items are sorted as added to the list (in ascending date order). Specifying sorting by date can
* result in the guide being shown in the wrong order for skins that sort by date in descending
* order by default with no option to change to ascending, e.g. Confluence.
*/
items.AddSortMethod(SORT_METHOD_NONE, 552 /* Date */, LABEL_MASKS("%K", "%J")); // Still leave the date label
m_dll->ref_release(program);
return true;
}
bool CMythDirectory::GetRecordings(const CStdString& base, CFileItemList &items, enum FilterType type,
const CStdString& filter)
{
cmyth_proglist_t list = m_session->GetAllRecordedPrograms();
if (!list)
{
CLog::Log(LOGERROR, "%s - unable to get list of recordings", __FUNCTION__);
return false;
}
int count = m_dll->proglist_get_count(list);
for (int i = 0; i < count; i++)
{
cmyth_proginfo_t program = m_dll->proglist_get_item(list, i);
if (program)
{
if (!IsVisible(program))
{
m_dll->ref_release(program);
continue;
}
CURL url(base);
/*
* The base is the URL used to connect to the master server. The hostname in this may not
* appropriate for all items as MythTV supports multiple backends (master + slaves).
*
* The appropriate host for playback is contained in the program information sent back from
* the master. The same username and password are used in the URL as for the master.
*/
url.SetHostName(GetValue(m_dll->proginfo_host(program)));
CStdString path = URIUtils::GetFileName(GetValue(m_dll->proginfo_pathname(program)));
CStdString name = GetValue(m_dll->proginfo_title(program));
switch (type)
{
case MOVIES:
if (!IsMovie(program))
{
m_dll->ref_release(program);
continue;
}
url.SetFileName("movies/" + path);
break;
case TV_SHOWS:
if (filter.CompareNoCase(name))
{
m_dll->ref_release(program);
continue;
}
url.SetFileName("tvshows/" + name + "/" + path);
break;
case ALL:
url.SetFileName("recordings/" + path);
break;
}
CFileItemPtr item(new CFileItem(url.Get(), false));
m_session->SetFileItemMetaData(*item, program);
/*
* If MOVIES, set the label and specify as pre-formatted so any scraper lookup will use the
* label rather than the filename. Don't set as pre-formatted for any other types as this
* prevents the display of the title changing depending on what the list is being sorted by.
*/
if (type == MOVIES)
{
/*
* Adding the production year, if available, to the label for Movies to aid in scraper
* lookups.
*/
CStdString label(item->m_strTitle);
unsigned short year = m_dll->proginfo_year(program);
if (year > 0)
label.AppendFormat(" (%d)", year);
item->SetLabel(label);
item->SetLabelPreformated(true);
}
items.Add(item);
m_dll->ref_release(program);
}
}
m_dll->ref_release(list);
/*
* Don't sort by name for TV_SHOWS as they all have the same name, so only date sort is useful.
* Since the subtitle has been added to the TV Show name, the video sort title sort is used so
* the subtitle doesn't influence the sort order and they are sorted by date.
*/
if (type != TV_SHOWS)
{
if (g_guiSettings.GetBool("filelists.ignorethewhensorting"))
items.AddSortMethod(SORT_METHOD_VIDEO_SORT_TITLE_IGNORE_THE, 551 /* Name */, LABEL_MASKS("%K", "%J"));
else
items.AddSortMethod(SORT_METHOD_VIDEO_SORT_TITLE, 551 /* Name */, LABEL_MASKS("%K", "%J"));
}
items.AddSortMethod(SORT_METHOD_DATE, 552 /* Date */, LABEL_MASKS("%K", "%J"));
return true;
}
/**
* \brief Gets a list of folders for recorded TV shows
*/
bool CMythDirectory::GetTvShowFolders(const CStdString& base, CFileItemList &items)
{
cmyth_proglist_t list = m_session->GetAllRecordedPrograms();
if (!list)
{
CLog::Log(LOGERROR, "%s - unable to get list of recordings", __FUNCTION__);
return false;
}
int count = m_dll->proglist_get_count(list);
for (int i = 0; i < count; i++)
{
cmyth_proginfo_t program = m_dll->proglist_get_item(list, i);
if (program)
{
if (!IsVisible(program))
{
m_dll->ref_release(program);
continue;
}
if (!IsTvShow(program))
{
m_dll->ref_release(program);
continue;
}
CStdString title = GetValue(m_dll->proginfo_title(program));
CStdString path = base + "/" + title + "/";
/*
* Only add each TV show once. If the TV show is already in the list, update the date for the
* folder to be the date of the last recorded TV show as the programs are returned in the
* order they were recorded.
*/
if (items.Contains(path))
{
CFileItemPtr item = items.Get(path);
item->m_dateTime = GetValue(m_dll->proginfo_rec_start(program));
}
else
{
CFileItemPtr item(new CFileItem(path, true));
item->m_dateTime = GetValue(m_dll->proginfo_rec_start(program));
item->SetLabel(title);
items.Add(item);
}
m_dll->ref_release(program);
}
}
m_dll->ref_release(list);
if (g_guiSettings.GetBool("filelists.ignorethewhensorting"))
items.AddSortMethod(SORT_METHOD_LABEL_IGNORE_THE, 551 /* Name */, LABEL_MASKS("", "", "%L", "%J"));
else
items.AddSortMethod(SORT_METHOD_LABEL, 551 /* Name */, LABEL_MASKS("", "", "%L", "%J"));
items.AddSortMethod(SORT_METHOD_DATE, 552 /* Date */, LABEL_MASKS("", "", "%L", "%J"));
return true;
}
bool CMythDirectory::GetChannels(const CStdString& base, CFileItemList &items)
{
cmyth_conn_t control = m_session->GetControl();
if (!control)
return false;
vector<cmyth_proginfo_t> channels;
for (unsigned i = 0; i < 16; i++)
{
cmyth_recorder_t recorder = m_dll->conn_get_recorder_from_num(control, i);
if (!recorder)
continue;
cmyth_proginfo_t program;
program = m_dll->recorder_get_cur_proginfo(recorder);
program = m_dll->recorder_get_next_proginfo(recorder, program, BROWSE_DIRECTION_UP);
if (!program)
{
m_dll->ref_release(m_recorder);
continue;
}
long startchan = m_dll->proginfo_chan_id(program);
long currchan = -1;
while (startchan != currchan)
{
unsigned j;
for (j = 0; j < channels.size(); j++)
{
if (m_dll->proginfo_compare(program, channels[j]) == 0)
break;
}
if (j == channels.size())
channels.push_back(program);
program = m_dll->recorder_get_next_proginfo(recorder, program, BROWSE_DIRECTION_UP);
if (!program)
break;
currchan = m_dll->proginfo_chan_id(program);
}
m_dll->ref_release(recorder);
}
CURL url(base);
/*
* The content of the cmyth_proginfo_t struct retrieved and stored in channels[] above does not
* contain the host so the URL cannot be modified to support both master and slave servers.
*/
for (unsigned i = 0; i < channels.size(); i++)
{
cmyth_proginfo_t program = channels[i];
url.SetFileName("channels/" + GetValue(m_dll->proginfo_chanstr(program)) + ".ts"); // e.g. 3.ts
CFileItemPtr item(new CFileItem(url.Get(), false));
m_session->SetFileItemMetaData(*item, program);
items.Add(item);
m_dll->ref_release(program);
}
items.AddSortMethod(SORT_METHOD_LABEL, 551 /* Name */, LABEL_MASKS("%K", "%B"));
/*
* Video sort title is set to the channel number.
*/
if (g_guiSettings.GetBool("filelists.ignorethewhensorting"))
items.AddSortMethod(SORT_METHOD_VIDEO_SORT_TITLE_IGNORE_THE, 556 /* Title */, LABEL_MASKS("%K", "%B"));
else
items.AddSortMethod(SORT_METHOD_VIDEO_SORT_TITLE, 556 /* Title */, LABEL_MASKS("%K", "%B"));
return true;
}
bool CMythDirectory::GetDirectory(const CStdString& strPath, CFileItemList &items)
{
m_session = CMythSession::AquireSession(strPath);
if (!m_session)
return false;
m_dll = m_session->GetLibrary();
if (!m_dll)
return false;
CStdString base(strPath);
URIUtils::RemoveSlashAtEnd(base);
CURL url(strPath);
CStdString fileName = url.GetFileName();
URIUtils::RemoveSlashAtEnd(fileName);
if (fileName == "")
{
/*
* If we can't get the control then we can't connect to the backend. Don't even show any of the
* virtual folders as none of them will work. Without this check the "Browse" functionality
* when adding a myth:// source is way confusing as it shows folders so it looks like it has
* connected successfully when it in fact hasn't.
*/
cmyth_conn_t control = m_session->GetControl();
if (!control)
return false;
CFileItemPtr item;
item.reset(new CFileItem(base + "/recordings/", true));
item->SetLabel(g_localizeStrings.Get(22015)); // All recordings
items.Add(item);
item.reset(new CFileItem(base + "/tvshows/", true));
item->SetLabel(g_localizeStrings.Get(20343)); // TV shows
items.Add(item);
item.reset(new CFileItem(base + "/movies/", true));
item->SetLabel(g_localizeStrings.Get(20342)); // Movies
items.Add(item);
item.reset(new CFileItem(base + "/channels/", true));
item->SetLabel(g_localizeStrings.Get(22018)); // Live channels
items.Add(item);
item.reset(new CFileItem(base + "/guide/", true));
item->SetLabel(g_localizeStrings.Get(22020)); // Guide
items.Add(item);
items.AddSortMethod(SORT_METHOD_NONE, 564 /* Type */, LABEL_MASKS("", "", "%L", "")); // No sorting, as added to list.
/*
* Clear the directory cache so the cached sub-folders are guaranteed to be accurate.
*/
g_directoryCache.ClearSubPaths(base);
return true;
}
else if (fileName == "channels")
return GetChannels(base, items);
else if (fileName == "guide")
return GetGuide(base, items);
else if (fileName.Left(6) == "guide/")
return GetGuideForChannel(base, items, atoi(fileName.Mid(6)));
else if (fileName == "movies")
return GetRecordings(base, items, MOVIES);
else if (fileName == "recordings")
return GetRecordings(base, items);
else if (fileName == "tvshows")
return GetTvShowFolders(base, items);
else if (fileName.Left(8) == "tvshows/")
return GetRecordings(base, items, TV_SHOWS, fileName.Mid(8));
return false;
}
bool CMythDirectory::Exists(const char* strPath)
{
/*
* Return true for any virtual folders that are known to exist. Don't check for explicit
* existence using GetDirectory() as most methods will return true with empty content due to the
* way they are implemented - by iterating over all programs and filtering out content.
*/
CURL url(strPath);
CStdString fileName = url.GetFileName();
URIUtils::RemoveSlashAtEnd(fileName);
if (fileName == ""
|| fileName == "channels"
|| fileName == "guide"
|| fileName.Left(6) == "guide/"
|| fileName == "movies"
|| fileName == "recordings"
|| fileName == "tvshows"
|| fileName.Left(8) == "tvshows/")
return true;
return false;
}
bool CMythDirectory::IsVisible(const cmyth_proginfo_t program)
{
CStdString group = GetValue(m_dll->proginfo_recgroup(program));
unsigned long flags = m_dll->proginfo_flags(program);
/*
* Ignore programs that were recorded using "LiveTV" or that have been deleted via the
* "Auto Expire Instead of Delete Recording" option, which places the recording in the
* "Deleted" recording group for x days rather than deleting straight away.
*
* As of 0.24, when a recording is deleted using the Myth Protocol it is marked as "pending delete"
* using the program flags mask. It is then scheduled to be physically deleted in a detached
* thread. This means that a deleted recording can still appear in the list of all recordings.
* Recordings that are "pending delete" will have a program flag mask that matches
* FL_DELETEPENDING = 0x00000080.
*/
return !(group.Equals("LiveTV") || group.Equals("Deleted") || flags & 0x00000080);
}
bool CMythDirectory::IsMovie(const cmyth_proginfo_t program)
{
/*
* The mythconverg.recordedprogram.programid field (if it exists) is a combination key where the first 2 characters map
* to the category_type and the rest is the key. From MythTV/release-0-21-fixes/mythtv/libs/libmythtv/programinfo.cpp
* "MV" = movie
* "EP" = series
* "SP" = sports
* "SH" = tvshow
*
* Based on MythTV usage it appears that the programid is only filled in for Movies though. Shame, could have used
* it for the other categories as well.
*
* mythconverg.recordedprogram.category_type contains the exact information that is needed. However, category_type
* isn't available through the libcmyth API. Since there is a direct correlation between the programid starting
* with "MV" and the category_type being "movie" that should work fine.
*/
const int iMovieLength = g_advancedSettings.m_iMythMovieLength; // Minutes
if (iMovieLength > 0) // Use hack to identify movie based on length (used if EPG is dubious).
return GetValue(m_dll->proginfo_programid(program)).Left(2) == "MV"
|| m_dll->proginfo_length_sec(program) > iMovieLength * 60; // Minutes to seconds
else
return GetValue(m_dll->proginfo_programid(program)).Left(2) == "MV";
}
bool CMythDirectory::IsTvShow(const cmyth_proginfo_t program)
{
/*
* There isn't enough information exposed by libcmyth to distinguish between an episode in a series and a
* one off TV show. See comment in IsMovie for more information.
*
* Return anything that isn't a movie as per any advanced setting override. This may result in a
* recorded TV Show only being shown in the Movies directory if it's something like a double
* episode.
*/
return !IsMovie(program);
}
bool CMythDirectory::SupportsFileOperations(const CStdString& strPath)
{
CURL url(strPath);
CStdString filename = url.GetFileName();
URIUtils::RemoveSlashAtEnd(filename);
/*
* TV Shows directory has sub-folders so extra check is included so only files get the file
* operations.
*/
return filename.Left(11) == "recordings/" ||
filename.Left(7) == "movies/" ||
(filename.Left(8) == "tvshows/" && URIUtils::GetExtension(filename) != "");
}
bool CMythDirectory::IsLiveTV(const CStdString& strPath)
{
CURL url(strPath);
return url.GetFileName().Left(9) == "channels/";
}