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/*
* metainfo_menu.c: Media file info menu
*
* See the main source file 'xineliboutput.c' for copyright information and
* how to reach the author.
*
* $Id: metainfo_menu.c,v 1.10 2010-03-12 20:26:43 phintuka Exp $
*
*/
#include "../features.h"
#ifdef HAVE_LIBEXTRACTOR
# include <extractor.h>
#endif
#include <vdr/status.h>
#include <vdr/i18n.h>
#include "../config.h"
#include "metainfo_menu.h"
//
// cMetainfoMenu
//
struct CallbackData
{
uint8_t *seen_types;
char *text;
size_t text_len;
size_t text_size;
CallbackData(void)
{
#if defined(HAVE_LIBEXTRACTOR) && EXTRACTOR_VERSION >= 0x00060000
seen_types = (uint8_t*)calloc(1, EXTRACTOR_metatype_get_max());
#else
seen_types = NULL;
#endif
text_size = 4096;
text = (char*)malloc(text_size);
text[0] = 0;
text_len = 0;
}
~CallbackData()
{
free(seen_types);
free(text);
}
void Append(const char *key, const char *data)
{
if (text_len < text_size - 1) {
cString s = cString::sprintf("%s: %s\n", key, data);
strn0cpy(text + text_len, s, text_size - text_len);
text_len = strlen(text);
}
}
};
#if defined(HAVE_LIBEXTRACTOR) && EXTRACTOR_VERSION >= 0x00060000
static int extractor_callback_metainfo(void *priv,
const char *plugin_name,
enum EXTRACTOR_MetaType type,
enum EXTRACTOR_MetaFormat format,
const char *data_mime_type,
const char *data,
size_t data_len)
{
struct CallbackData *cd = (struct CallbackData *)priv;
if (format == EXTRACTOR_METAFORMAT_UTF8 &&
type != EXTRACTOR_METATYPE_THUMBNAIL &&
cd && !cd->seen_types[type] &&
data && data[0]) {
const char *key = EXTRACTOR_metatype_to_string(type);
if (key) {
cd->Append(key, data);
cd->seen_types[type] = 1;
}
}
return 0;
}
#endif // defined(HAVE_LIBEXTRACTOR) && EXTRACTOR_VERSION >= 0x00060000
cMetainfoMenu::cMetainfoMenu(cString Filename) :
cOsdMenu(Filename),
m_Filename(Filename)
{
const char *Title = strrchr(Filename, '/');
if(Title && *(Title+1))
SetTitle(Title+1);
}
cMetainfoMenu::~cMetainfoMenu()
{
}
void cMetainfoMenu::Display(void)
{
cOsdMenu::Display();
CallbackData data;
#ifdef HAVE_LIBEXTRACTOR
# if EXTRACTOR_VERSION >= 0x00060000
EXTRACTOR_PluginList * plugins;
plugins = EXTRACTOR_plugin_add_defaults(EXTRACTOR_OPTION_DEFAULT_POLICY);
EXTRACTOR_extract(plugins, m_Filename, NULL, 0, (EXTRACTOR_MetaDataProcessor)&extractor_callback_metainfo, &data);
EXTRACTOR_plugin_remove_all(plugins); /* unload plugins */
# else // EXTRACTOR_VERSION >= 0x00060000
EXTRACTOR_ExtractorList * plugins;
EXTRACTOR_KeywordList * md_list;
plugins = EXTRACTOR_loadDefaultLibraries();
md_list = EXTRACTOR_getKeywords(plugins, m_Filename);
md_list = EXTRACTOR_removeEmptyKeywords (md_list);
md_list = EXTRACTOR_removeDuplicateKeywords(md_list, 0);
md_list = EXTRACTOR_removeKeywordsOfType(md_list, EXTRACTOR_THUMBNAILS);
while(md_list) {
const char *key = EXTRACTOR_getKeywordTypeAsString(md_list->keywordType);
if (key)
data.Append(key, md_list->keyword);
md_list = md_list->next;
}
EXTRACTOR_freeKeywords(md_list);
EXTRACTOR_removeAll(plugins); /* unload plugins */
# endif // EXTRACTOR_VERSION >= 0x00060000
#else // HAVE_LIBEXTRACTOR
cString cmd;
if(xc.IsPlaylistFile(m_Filename))
cmd = cString::sprintf("file -b '%s'; cat '%s'", *m_Filename, *m_Filename);
else if(xc.IsAudioFile(m_Filename))
cmd = cString::sprintf("mp3info -x '%s' ; file -b '%s'", *m_Filename, *m_Filename);
else if(xc.IsVideoFile(m_Filename))
cmd = cString::sprintf("file -b '%s'; midentify '%s'", *m_Filename, *m_Filename);
else if(xc.IsImageFile(m_Filename))
cmd = cString::sprintf("file -b '%s'; identify '%s'", *m_Filename, *m_Filename);
else
cmd = cString::sprintf("file -b '%s'", *m_Filename);
cPipe p;
if(p.Open(*cmd, "r")) {
data.text_len = fread(data.text, 1, data.text_size - 1, p);
if (data.text_len > 0) {
data.text[data.text_len] = 0;
strreplace(data.text, ',', '\n');
}
}
#endif // HAVE_LIBEXTRACTOR
DisplayMenu()->SetText(data.text, false);
data.text = NULL;
cStatus::MsgOsdTextItem(cString::sprintf("%s\n%s", tr("Metainfo"), *m_Filename));
}
eOSState cMetainfoMenu::ProcessKey(eKeys Key)
{
eOSState state = cOsdMenu::ProcessKey(Key);
return state;
}
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