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00044 #ifdef HAVE_CONFIG_H
00045 #include "autoconfig.h"
00046 #endif
00047
00048 #ifdef HAVE_LIBDVDNAV
00049
00050 #include "dvdnav_read.h"
00051 #include <assert.h>
00052
00053 #include "tools.h"
00054
00055 using namespace zmm;
00056
00057 static double frames_per_s[4] = {-1.0, 25.00, -1.0, 29.97};
00058
00059 static struct { char code[3]; char name[20]; }
00060
00061 language[] = {
00062 { " ", "Not Specified" }, { "aa", "Afar" },
00063 { "ab", "Abkhazian" }, { "af", "Afrikaans" },
00064 { "am", "Amharic" }, { "ar", "Arabic" },
00065 { "as", "Assamese" }, { "ay", "Aymara" },
00066 { "az", "Azerbaijani" }, { "ba", "Bashkir" },
00067 { "be", "Byelorussian" }, { "bg", "Bulgarian" },
00068 { "bh", "Bihari" }, { "bi", "Bislama" },
00069 { "bn", "Bengali; Bangla" }, { "bo", "Tibetan" },
00070 { "br", "Breton" }, { "ca", "Catalan" },
00071 { "co", "Corsican" }, { "cs", "Czech" },
00072 { "cy", "Welsh" }, { "da", "Dansk" },
00073 { "de", "Deutsch" }, { "dz", "Bhutani" },
00074 { "el", "Greek" }, { "en", "English" },
00075 { "eo", "Esperanto" }, { "es", "Espanol" },
00076 { "et", "Estonian" }, { "eu", "Basque" },
00077 { "fa", "Persian" }, { "fi", "Suomi" },
00078 { "fj", "Fiji" }, { "fo", "Faroese" },
00079 { "fr", "Francais" }, { "fy", "Frisian" },
00080 { "ga", "Gaelic" }, { "gd", "Scots Gaelic" },
00081 { "gl", "Galician" }, { "gn", "Guarani" },
00082 { "gu", "Gujarati" }, { "ha", "Hausa" },
00083 { "he", "Hebrew" }, { "hi", "Hindi" },
00084 { "hr", "Hrvatski" }, { "hu", "Magyar" },
00085 { "hy", "Armenian" }, { "ia", "Interlingua" },
00086 { "id", "Indonesian" }, { "ie", "Interlingue" },
00087 { "ik", "Inupiak" }, { "in", "Indonesian" },
00088 { "is", "Islenska" }, { "it", "Italiano" },
00089 { "iu", "Inuktitut" }, { "iw", "Hebrew" },
00090 { "ja", "Japanese" }, { "ji", "Yiddish" },
00091 { "jw", "Javanese" }, { "ka", "Georgian" },
00092 { "kk", "Kazakh" }, { "kl", "Greenlandic" },
00093 { "km", "Cambodian" }, { "kn", "Kannada" },
00094 { "ko", "Korean" }, { "ks", "Kashmiri" },
00095 { "ku", "Kurdish" }, { "ky", "Kirghiz" },
00096 { "la", "Latin" }, { "ln", "Lingala" },
00097 { "lo", "Laothian" }, { "lt", "Lithuanian" },
00098 { "lv", "Latvian, Lettish" }, { "mg", "Malagasy" },
00099 { "mi", "Maori" }, { "mk", "Macedonian" },
00100 { "ml", "Malayalam" }, { "mn", "Mongolian" },
00101 { "mo", "Moldavian" }, { "mr", "Marathi" },
00102 { "ms", "Malay" }, { "mt", "Maltese" },
00103 { "my", "Burmese" }, { "na", "Nauru" },
00104 { "ne", "Nepali" }, { "nl", "Nederlands" },
00105 { "no", "Norsk" }, { "oc", "Occitan" },
00106 { "om", "Oromo" }, { "or", "Oriya" },
00107 { "pa", "Punjabi" }, { "pl", "Polish" },
00108 { "ps", "Pashto, Pushto" }, { "pt", "Portugues" },
00109 { "qu", "Quechua" }, { "rm", "Rhaeto-Romance" },
00110 { "rn", "Kirundi" }, { "ro", "Romanian" },
00111 { "ru", "Russian" }, { "rw", "Kinyarwanda" },
00112 { "sa", "Sanskrit" }, { "sd", "Sindhi" },
00113 { "sg", "Sangho" }, { "sh", "Serbo-Croatian" },
00114 { "si", "Sinhalese" }, { "sk", "Slovak" },
00115 { "sl", "Slovenian" }, { "sm", "Samoan" },
00116 { "sn", "Shona" }, { "so", "Somali" },
00117 { "sq", "Albanian" }, { "sr", "Serbian" },
00118 { "ss", "Siswati" }, { "st", "Sesotho" },
00119 { "su", "Sundanese" }, { "sv", "Svenska" },
00120 { "sw", "Swahili" }, { "ta", "Tamil" },
00121 { "te", "Telugu" }, { "tg", "Tajik" },
00122 { "th", "Thai" }, { "ti", "Tigrinya" },
00123 { "tk", "Turkmen" }, { "tl", "Tagalog" },
00124 { "tn", "Setswana" }, { "to", "Tonga" },
00125 { "tr", "Turkish" }, { "ts", "Tsonga" },
00126 { "tt", "Tatar" }, { "tw", "Twi" },
00127 { "ug", "Uighur" }, { "uk", "Ukrainian" },
00128 { "ur", "Urdu" }, { "uz", "Uzbek" },
00129 { "vi", "Vietnamese" }, { "vo", "Volapuk" },
00130 { "wo", "Wolof" }, { "xh", "Xhosa" },
00131 { "yi", "Yiddish" }, { "yo", "Yoruba" },
00132 { "za", "Zhuang" }, { "zh", "Chinese" },
00133 { "zu", "Zulu" }, { "xx", "Unknown" },
00134 { "\0", "Unknown" }
00135 };
00136
00137 static const char *audio_format[7] =
00138 {"ac3", "?", "mpeg1", "mpeg2", "lpcm ", "sdds ", "dts"};
00139 static int audio_id[7] = {0x80, 0, 0xC0, 0xC0, 0xA0, 0, 0x88};
00140
00141 DVDNavReader::DVDNavReader(String path)
00142 {
00143
00144
00145
00146
00147
00150 if (dvdnav_open(&dvd, path.c_str()) != DVDNAV_STATUS_OK)
00151 {
00152 throw _Exception(_("Could not open DVD ") + path);
00153 }
00154
00155 dvd_path = path;
00156
00157
00158
00159 if (dvdnav_set_PGC_positioning_flag(dvd, 1) != DVDNAV_STATUS_OK)
00160 {
00161 throw _Exception(_("Failed to set PGC positioning flag on DVD ") +
00162 path);
00163 }
00164
00165 log_debug("Opened DVD %s\n", dvd_path.c_str());
00166
00167 mutex = Ref<Mutex>(new Mutex(true));
00168
00169 EOT = true;
00170 }
00171
00172 DVDNavReader::~DVDNavReader()
00173 {
00174 if (dvd)
00175 dvdnav_close(dvd);
00176 log_debug("Closing DVD %s\n", dvd_path.c_str());
00177 }
00178
00179 int DVDNavReader::titleCount()
00180 {
00181 int32_t t;
00182 if (dvdnav_get_number_of_titles(dvd, &t) != DVDNAV_STATUS_OK)
00183 throw _Exception(_("Failed to get title count for DVD ") + dvd_path +
00184 " : " + dvdnav_err_to_string(dvd));
00185
00186 return t;
00187 }
00188
00189 int DVDNavReader::chapterCount(int title_idx)
00190 {
00191 int32_t c;
00192
00193 title_idx++;
00194
00195 if ((title_idx < 1) || (title_idx > titleCount()))
00196 throw _Exception(_("Requested title number exceeds available titles "
00197 "for DVD ") + dvd_path);
00198
00199 if (dvdnav_get_number_of_parts(dvd, title_idx, &c) != DVDNAV_STATUS_OK)
00200 throw _Exception(_("Failed to get chapter count for title ")
00201 + title_idx + " DVD " + dvd_path);
00202
00203 return c;
00204 }
00205
00206 void DVDNavReader::selectPGC(int title_idx, int chapter_idx)
00207 {
00208 title_idx++;
00209 chapter_idx++;
00210
00211 if ((title_idx < 1) || (title_idx > titleCount()))
00212 throw _Exception(_("Attmpted to select invalid title!"));
00213
00214 if ((chapter_idx < 1) || (chapter_idx > chapterCount(title_idx-1)))
00215 throw _Exception(_("Attempted to select invalid chapter!"));
00216
00217 AUTOLOCK(mutex);
00218
00219 if (dvdnav_part_play(dvd, title_idx, chapter_idx) != DVDNAV_STATUS_OK)
00220 {
00221 throw _Exception(_("Failed to select PGC for DVD ") + dvd_path + " : " +
00222 dvdnav_err_to_string(dvd));
00223 }
00224
00225 EOT = false;
00226 }
00227
00228 size_t DVDNavReader::readSector(unsigned char *buffer, size_t length)
00229 {
00230 AUTOLOCK(mutex);
00231
00232 unsigned char *p = buffer;
00233 size_t consumed = 0;
00234
00235 if (length < DVD_VIDEO_LB_LEN)
00236 throw _Exception(_("Buffer must be at least ") + DVD_VIDEO_LB_LEN);
00237
00238 while (!EOT)
00239 {
00240 int result, event, len;
00241
00242 result = dvdnav_get_next_block(dvd, (uint8_t *)p, &event, &len);
00243 if (result == DVDNAV_STATUS_ERR)
00244 {
00245 throw _Exception(_("Error getting next block for DVD ") + dvd_path +
00246 " : " + dvdnav_err_to_string(dvd));
00247 }
00248
00249 switch (event)
00250 {
00251 case DVDNAV_BLOCK_OK:
00252 consumed = consumed + len;
00253 if ((consumed + DVD_VIDEO_LB_LEN) > length)
00254 return consumed;
00255
00256 p = p + len;
00257 break;
00258 case DVDNAV_STILL_FRAME:
00259 {
00260 dvdnav_still_event_t *still_event;
00261 still_event = (dvdnav_still_event_t *)p;
00262 if (still_event->length == 0xff)
00263 dvdnav_still_skip(dvd);
00264 }
00265 break;
00266 case DVDNAV_WAIT:
00267 dvdnav_wait_skip(dvd);
00268 break;
00269 case DVDNAV_CELL_CHANGE:
00270 {
00271 int32_t tt = 0, ptt = 0;
00272 dvdnav_current_title_info(dvd, &tt, &ptt);
00273 if (tt == 0)
00274 {
00275 log_warning("Reached DVD menu, aborting.\n");
00276 EOT = true;
00277 return consumed;
00278 }
00279 }
00280 break;
00281 case DVDNAV_STOP:
00282 EOT = true;
00283 return consumed;
00284 break;
00285 case DVDNAV_NAV_PACKET:
00286 case DVDNAV_NOP:
00287 case DVDNAV_SPU_CLUT_CHANGE:
00288 case DVDNAV_SPU_STREAM_CHANGE:
00289 case DVDNAV_AUDIO_STREAM_CHANGE:
00290 case DVDNAV_HIGHLIGHT:
00291 case DVDNAV_VTS_CHANGE:
00292 case DVDNAV_HOP_CHANNEL:
00293 break;
00294 default:
00295 log_error("Uknown event when playing DVD %s\n", dvd_path.c_str());
00296 EOT = true;
00297 return -1;
00298 break;
00299 }
00300 }
00301 return 0;
00302 }
00303
00304 int DVDNavReader::audioTrackCount()
00305 {
00306 AUTOLOCK(mutex);
00307
00308 uint8_t count = 0;
00309 while (true)
00310 {
00311 if(dvdnav_get_audio_logical_stream(dvd, count) < 0)
00312 break;
00313
00314
00315
00316 if (count > 10)
00317 break;
00318
00319 count++;
00320 }
00321
00322 return (int)count;
00323 }
00324
00325
00326 String DVDNavReader::getLanguage(char *code)
00327 {
00328 int k = 0;
00329 while (memcmp(language[k].code, code, 2) && language[k].name[0] ) { k++; }
00330 return _(language[k].name);
00331 }
00332
00333 String DVDNavReader::audioLanguage(int stream_idx)
00334 {
00335 char code[3];
00336 audio_attr_t audio_attr;
00337
00338 AUTOLOCK(mutex);
00339
00340 if (dvdnav_get_audio_attr(dvd, stream_idx, &audio_attr) != DVDNAV_STATUS_OK)
00341 throw _Exception(_("Error error retrieving audio language from DVD ") +
00342 dvd_path + " : " +
00343 dvdnav_err_to_string(dvd));
00344
00345 sprintf(code, "%c%c", audio_attr.lang_code >> 8,
00346 audio_attr.lang_code & 0xff);
00347
00348 if (!code[0])
00349 {
00350 code[0] = 'x';
00351 code[1] = 'x';
00352 }
00353
00354 return getLanguage(code);
00355 }
00356
00357 int DVDNavReader::audioSampleFrequency(int stream_idx)
00358 {
00359 audio_attr_t audio_attr;
00360
00361 AUTOLOCK(mutex);
00362
00363 if (dvdnav_get_audio_attr(dvd, stream_idx, &audio_attr) != DVDNAV_STATUS_OK)
00364 throw _Exception(_("Error error retrieving audio language from DVD ") +
00365 dvd_path + " : " +
00366 dvdnav_err_to_string(dvd));
00367
00368 if (audio_attr.sample_frequency == 0)
00369 return 48000;
00370 else
00371 return 96000;
00372 }
00373
00374 int DVDNavReader::audioChannels(int stream_idx)
00375 {
00376 audio_attr_t audio_attr;
00377
00378 AUTOLOCK(mutex);
00379
00380 if (dvdnav_get_audio_attr(dvd, stream_idx, &audio_attr) != DVDNAV_STATUS_OK)
00381 throw _Exception(_("Error error retrieving audio language from DVD ") +
00382 dvd_path + " : " +
00383 dvdnav_err_to_string(dvd));
00384
00385 return audio_attr.channels + 1;
00386 }
00387
00388 String DVDNavReader::audioFormat(int stream_idx)
00389 {
00390 audio_attr_t audio_attr;
00391
00392 AUTOLOCK(mutex);
00393
00394 if (dvdnav_get_audio_attr(dvd, stream_idx, &audio_attr) != DVDNAV_STATUS_OK)
00395 throw _Exception(_("Error error retrieving audio language from DVD ") +
00396 dvd_path + " : " +
00397 dvdnav_err_to_string(dvd));
00398 return _(audio_format[audio_attr.audio_format]);
00399 }
00400
00401 int DVDNavReader::audioStreamID(int stream_idx)
00402 {
00403 audio_attr_t audio_attr;
00404
00405 AUTOLOCK(mutex);
00406
00407 if (dvdnav_get_audio_attr(dvd, stream_idx, &audio_attr) != DVDNAV_STATUS_OK)
00408 throw _Exception(_("Error error retrieving audio language from DVD ") +
00409 dvd_path + " : " +
00410 dvdnav_err_to_string(dvd));
00411
00412 return audio_id[audio_attr.audio_format]+stream_idx;
00413 }
00414
00415 #endif//HAVE_LIBDVDNAV
