change_cptr
change_c::parse_spec(change_c::change_type_e type,
const std::string &spec) {
std::string name, value;
if (ct_delete == type)
name = spec;
else {
auto parts = split(spec, "=", 2);
if (2 != parts.size())
throw std::runtime_error(Y("missing value"));
name = parts[0];
value = parts[1];
}
if (name.empty())
throw std::runtime_error(Y("missing property name"));
if ( mtx::included_in(type, ct_add, ct_set)
&& (name == "language")) {
auto idx = map_to_iso639_2_code(value);
if (-1 == idx)
throw std::runtime_error{(boost::format(("invalid ISO 639-2 language code '%1%'")) % value).str()};
value = g_iso639_languages[idx].iso639_2_code;
}
return std::make_shared<change_c>(type, name, value);
}
void
Track::setDefaults() {
auto &settings = Settings::get();
if (isAudio() && settings.m_setAudioDelayFromFileName)
m_delay = extractAudioDelayFromFileName();
if (settings.m_disableAVCompression && (isVideo() || isAudio()))
m_compression = CompNone;
m_forcedTrackFlag = m_properties[Q("forced_track")] == "1";
m_defaultTrackFlagWasSet = m_properties[Q("default_track")] == "1";
m_name = m_properties[Q("track_name")];
m_cropping = m_properties[Q("cropping")];
if (!m_properties[Q("stereo_mode")].isEmpty())
m_stereoscopy = m_properties[Q("stereo_mode")].toUInt() + 1;
auto idx = map_to_iso639_2_code(to_utf8(m_properties[Q("language")]), true);
if (0 <= idx)
m_language = to_qs(iso639_languages[idx].iso639_2_code);
QRegExp re_displayDimensions{"^(\\d+)x(\\d+)$"};
if (-1 != re_displayDimensions.indexIn(m_properties[Q("display_dimensions")])) {
m_displayWidth = re_displayDimensions.cap(1);
m_displayHeight = re_displayDimensions.cap(2);
}
}
bool
mmg_app::OnInit() {
#ifdef __WXMAC__
ProcessSerialNumber PSN;
GetCurrentProcess(&PSN);
TransformProcessType(&PSN, kProcessTransformToForegroundApplication);
#endif
wxImage::AddHandler(new wxPNGHandler);
mtx_common_init("mmg");
wxConfigBase *cfg;
uint32_t i;
wxString k, v;
int index;
prepare_mmg_data_folder();
#if defined(SYS_WINDOWS)
cfg = new wxConfig(wxT("mkvmergeGUI"));
#else
cfg = new wxFileConfig(wxT("mkvmergeGUI"), wxEmptyString, get_config_file_name());
#endif
cfg->SetExpandEnvVars(false);
wxConfigBase::Set(cfg);
init_ui_locale();
cfg->SetPath(wxT("/GUI"));
cfg->Read(wxT("last_directory"), &last_open_dir, wxEmptyString);
for (i = 0; i < 4; i++) {
k.Printf(wxT("last_settings %u"), i);
if (cfg->Read(k, &v) && wxFile::Exists(v))
last_settings.push_back(v);
k.Printf(wxT("last_chapters %u"), i);
if (cfg->Read(k, &v) && wxFile::Exists(v))
last_chapters.push_back(v);
}
cfg->SetPath(wxT("/chapter_editor"));
cfg->Read(wxT("default_language"), &k, wxT("und"));
g_default_chapter_language = wxMB(k);
index = map_to_iso639_2_code(g_default_chapter_language.c_str());
if (-1 == index)
g_default_chapter_language = "und";
else
g_default_chapter_language = iso639_languages[index].iso639_2_code;
if (cfg->Read(wxT("default_country"), &k) && (0 < k.length()))
g_default_chapter_country = wxMB(k);
if (!is_valid_cctld(g_default_chapter_country.c_str()))
g_default_chapter_country = "";
app = this;
mdlg = new mmg_dialog();
mdlg->Show(true);
handle_command_line_arguments();
return true;
}
void
usf_reader_c::parse_metadata(mtx::xml::document_cptr &doc) {
auto attribute = doc->document_element().child("metadata").child("language").attribute("code");
if (attribute && !std::string{attribute.value()}.empty()) {
int index = map_to_iso639_2_code(attribute.value());
if (-1 != index)
m_default_language = iso639_languages[index].iso639_2_code;
else if (!g_identifying)
mxwarn_fn(m_ti.m_fname, boost::format(Y("The default language code '%1%' is not a valid ISO639-2 language code and will be ignored.\n")) % attribute.value());
}
}
void
usf_reader_c::parse_subtitles(mtx::xml::document_cptr &doc) {
for (auto subtitles = doc->document_element().child("subtitles"); subtitles; subtitles = subtitles.next_sibling("subtitles")) {
auto track = std::make_shared<usf_track_t>();
m_tracks.push_back(track);
auto attribute = subtitles.child("language").attribute("code");
if (attribute && !std::string{attribute.value()}.empty()) {
int index = map_to_iso639_2_code(attribute.value());
if (-1 != index)
track->m_language = iso639_languages[index].iso639_2_code;
else if (!g_identifying)
mxwarn_tid(m_ti.m_fname, m_tracks.size() - 1, boost::format(Y("The language code '%1%' is not a valid ISO639-2 language code and will be ignored.\n")) % attribute.value());
}
for (auto subtitle = subtitles.child("subtitle"); subtitle; subtitle = subtitle.next_sibling("subtitle")) {
usf_entry_t entry;
int64_t duration = -1;
attribute = subtitle.attribute("start");
if (attribute)
entry.m_start = try_to_parse_timecode(attribute.value());
attribute = subtitle.attribute("stop");
if (attribute)
entry.m_end = try_to_parse_timecode(attribute.value());
attribute = subtitle.attribute("duration");
if (attribute)
duration = try_to_parse_timecode(attribute.value());
if ((-1 == entry.m_end) && (-1 != entry.m_start) && (-1 != duration))
entry.m_end = entry.m_start + duration;
std::stringstream out;
for (auto node : subtitle)
node.print(out, "", pugi::format_default | pugi::format_raw);
entry.m_text = out.str();
track->m_entries.push_back(entry);
}
}
}
void
ebml_chapters_converter_c::fix_display(KaxChapterDisplay &display)
const {
if (!FindChild<KaxChapterString>(display))
throw conversion_x{Y("<ChapterDisplay> is missing the <ChapterString> child.")};
KaxChapterLanguage *clanguage = FindChild<KaxChapterLanguage>(display);
if (!clanguage) {
clanguage = new KaxChapterLanguage;
*static_cast<EbmlString *>(clanguage) = "und";
display.PushElement(*clanguage);
} else {
int index = map_to_iso639_2_code(std::string(*clanguage));
if (-1 == index)
throw conversion_x{boost::format(Y("'%1%' is not a valid ISO639-2 language code.")) % std::string(*clanguage)};
}
KaxChapterCountry *ccountry = FindChild<KaxChapterCountry>(display);
if (ccountry && !is_valid_cctld(std::string(*ccountry)))
throw conversion_x{boost::format(Y("'%1%' is not a valid ccTLD country code.")) % std::string(*ccountry)};
}
void
ogm_reader_c::handle_stream_comments() {
std::shared_ptr<std::vector<std::string> > comments;
std::string title;
bool charset_warning_printed = false;
charset_converter_cptr cch = charset_converter_c::init(m_ti.m_chapter_charset);
size_t i;
for (i = 0; i < sdemuxers.size(); i++) {
ogm_demuxer_cptr &dmx = sdemuxers[i];
if ((OGM_STREAM_TYPE_A_FLAC == dmx->stype) || (2 > dmx->packet_data.size()))
continue;
comments = extract_vorbis_comments(dmx->packet_data[1]);
if (comments->empty())
continue;
std::vector<std::string> chapter_strings;
size_t j;
for (j = 0; comments->size() > j; j++) {
mxverb(2, boost::format("ogm_reader: commment for #%1% for %2%: %3%\n") % j % i % (*comments)[j]);
std::vector<std::string> comment = split((*comments)[j], "=", 2);
if (comment.size() != 2)
continue;
if (comment[0] == "LANGUAGE") {
int index;
index = map_to_iso639_2_code(comment[1].c_str());
if (-1 != index)
dmx->language = iso639_languages[index].iso639_2_code;
else {
std::string lang = comment[1];
int pos1 = lang.find("[");
while (0 <= pos1) {
int pos2 = lang.find("]", pos1);
if (-1 == pos2)
pos2 = lang.length() - 1;
lang.erase(pos1, pos2 - pos1 + 1);
pos1 = lang.find("[");
}
pos1 = lang.find("(");
while (0 <= pos1) {
int pos2 = lang.find(")", pos1);
if (-1 == pos2)
pos2 = lang.length() - 1;
lang.erase(pos1, pos2 - pos1 + 1);
pos1 = lang.find("(");
}
index = map_to_iso639_2_code(lang.c_str());
if (-1 != index)
dmx->language = iso639_languages[index].iso639_2_code;
}
} else if (comment[0] == "TITLE")
title = comment[1];
else if (balg::starts_with(comment[0], "CHAPTER"))
chapter_strings.push_back((*comments)[j]);
}
bool segment_title_set = false;
if (title != "") {
title = cch->utf8(title);
if (!g_segment_title_set && g_segment_title.empty() && (OGM_STREAM_TYPE_V_MSCOMP == dmx->stype)) {
g_segment_title = title;
g_segment_title_set = true;
segment_title_set = true;
}
dmx->title = title.c_str();
title = "";
}
bool chapters_set = false;
if (!chapter_strings.empty() && !m_ti.m_no_chapters) {
try {
std::shared_ptr<mm_mem_io_c> out(new mm_mem_io_c(nullptr, 0, 1000));
out->write_bom("UTF-8");
for (j = 0; j < chapter_strings.size(); j++)
out->puts(cch->utf8(chapter_strings[j]) + std::string("\n"));
out->set_file_name(m_ti.m_fname);
std::shared_ptr<mm_text_io_c> text_out(new mm_text_io_c(out.get(), false));
m_chapters = parse_chapters(text_out.get(), 0, -1, 0, m_ti.m_chapter_language);
chapters_set = true;
align_chapter_edition_uids(m_chapters.get());
} catch (...) {
}
}
if ( (segment_title_set || chapters_set)
&& !charset_warning_printed
&& (m_ti.m_chapter_charset.empty())) {
mxwarn_fn(m_ti.m_fname,
Y("This Ogg/OGM file contains chapter or title information. Unfortunately the charset used to store this information in "
"the file cannot be identified unambiguously. The program assumes that your system's current charset is appropriate. This can "
"be overridden with the '--chapter-charset <charset>' switch.\n"));
charset_warning_printed = true;
}
}
}
int
mpeg_ts_reader_c::parse_pmt(unsigned char *pmt) {
if (!pmt) {
mxdebug_if(m_debug_pat_pmt, "mpeg_ts:parse_pmt: Invalid parameters!\n");
return -1;
}
mpeg_ts_pmt_t *pmt_header = (mpeg_ts_pmt_t *)pmt;
if (pmt_header->table_id != 0x02) {
mxdebug_if(m_debug_pat_pmt, "mpeg_ts:parse_pmt: Invalid PMT table_id!\n");
return -1;
}
if (pmt_header->get_section_syntax_indicator() != 1 || pmt_header->get_current_next_indicator() == 0) {
mxdebug_if(m_debug_pat_pmt, "mpeg_ts:parse_pmt: Invalid PMT section_syntax_indicator/current_next_indicator!\n");
return -1;
}
if (pmt_header->section_number != 0 || pmt_header->last_section_number != 0) {
mxdebug_if(m_debug_pat_pmt, "mpeg_ts:parse_pmt: Unsupported multiple section PMT!\n");
return -1;
}
unsigned short pmt_section_length = pmt_header->get_section_length();
uint32_t elapsed_CRC = crc_calc_mpeg2(pmt, 3 + pmt_section_length - 4/*CRC32*/);
uint32_t read_CRC = get_uint32_be(pmt + 3 + pmt_section_length - 4);
if (elapsed_CRC != read_CRC) {
mxdebug_if(m_debug_pat_pmt, boost::format("mpeg_ts:parse_pmt: Wrong PMT CRC !!! Elapsed = 0x%|1$08x|, read 0x%|2$08x|\n") % elapsed_CRC % read_CRC);
return -1;
}
if (pmt_section_length < 13 || pmt_section_length > 1021) {
mxdebug_if(m_debug_pat_pmt, boost::format("mpeg_ts:parse_pmt: Wrong PMT section_length (=%1%)\n") % pmt_section_length);
return -1;
}
mpeg_ts_pmt_descriptor_t *pmt_descriptor = (mpeg_ts_pmt_descriptor_t *)(pmt + sizeof(mpeg_ts_pmt_t));
unsigned short program_info_length = pmt_header->get_program_info_length();
while (pmt_descriptor < (mpeg_ts_pmt_descriptor_t *)(pmt + sizeof(mpeg_ts_pmt_t) + program_info_length))
pmt_descriptor = (mpeg_ts_pmt_descriptor_t *)((unsigned char *)pmt_descriptor + sizeof(mpeg_ts_pmt_descriptor_t) + pmt_descriptor->length);
mpeg_ts_pmt_pid_info_t *pmt_pid_info = (mpeg_ts_pmt_pid_info_t *)pmt_descriptor;
// Calculate pids_count
size_t pids_found = 0;
while (pmt_pid_info < (mpeg_ts_pmt_pid_info_t *)(pmt + 3 + pmt_section_length - 4/*CRC32*/)) {
pids_found++;
pmt_pid_info = (mpeg_ts_pmt_pid_info_t *)((unsigned char *)pmt_pid_info + sizeof(mpeg_ts_pmt_pid_info_t) + pmt_pid_info->get_es_info_length());
}
mxdebug_if(m_debug_pat_pmt, boost::format("mpeg_ts:parse_pmt: program number (%1%)\n") % pmt_header->get_program_number());
mxdebug_if(m_debug_pat_pmt, boost::format("mpeg_ts:parse_pmt: pcr pid (%1%)\n") % pmt_header->get_pcr_pid());
if (pids_found == 0) {
mxdebug_if(m_debug_pat_pmt, "mpeg_ts:parse_pmt: There's no information about elementary PIDs\n");
return 0;
}
pmt_pid_info = (mpeg_ts_pmt_pid_info_t *)pmt_descriptor;
// Extract pid_info
while (pmt_pid_info < (mpeg_ts_pmt_pid_info_t *)(pmt + 3 + pmt_section_length - 4/*CRC32*/)) {
mpeg_ts_track_ptr track(new mpeg_ts_track_c(*this));
unsigned short es_info_length = pmt_pid_info->get_es_info_length();
track->type = ES_UNKNOWN;
track->set_pid(pmt_pid_info->get_pid());
switch(pmt_pid_info->stream_type) {
case ISO_11172_VIDEO:
track->type = ES_VIDEO_TYPE;
track->fourcc = FOURCC('M', 'P', 'G', '1');
break;
case ISO_13818_VIDEO:
track->type = ES_VIDEO_TYPE;
track->fourcc = FOURCC('M', 'P', 'G', '2');
break;
case ISO_14496_PART2_VIDEO:
track->type = ES_VIDEO_TYPE;
track->fourcc = FOURCC('M', 'P', 'G', '4');
break;
case ISO_14496_PART10_VIDEO:
track->type = ES_VIDEO_TYPE;
track->fourcc = FOURCC('A', 'V', 'C', '1');
break;
case STREAM_VIDEO_VC1:
track->type = ES_VIDEO_TYPE;
track->fourcc = FOURCC('W', 'V', 'C', '1');
break;
case ISO_11172_AUDIO:
case ISO_13818_AUDIO:
track->type = ES_AUDIO_TYPE;
track->fourcc = FOURCC('M', 'P', '2', ' ');
break;
case ISO_13818_PART7_AUDIO:
track->type = ES_AUDIO_TYPE;
track->fourcc = FOURCC('A', 'A', 'C', ' ');
break;
case ISO_14496_PART3_AUDIO:
track->type = ES_AUDIO_TYPE;
track->fourcc = FOURCC('A', 'A', 'C', ' ');
break;
case STREAM_AUDIO_AC3:
case STREAM_AUDIO_AC3_PLUS: // EAC3
track->type = ES_AUDIO_TYPE;
track->fourcc = FOURCC('A', 'C', '3', ' ');
break;
case STREAM_AUDIO_AC3_LOSSLESS:
track->type = ES_AUDIO_TYPE;
track->fourcc = FOURCC('T', 'R', 'H', 'D');
break;
case STREAM_AUDIO_DTS:
case STREAM_AUDIO_DTS_HD:
case STREAM_AUDIO_DTS_HD_MA:
track->type = ES_AUDIO_TYPE;
track->fourcc = FOURCC('D', 'T', 'S', ' ');
break;
case STREAM_SUBTITLES_HDMV_PGS:
track->type = ES_SUBT_TYPE;
track->fourcc = FOURCC('P', 'G', 'S', ' ');
track->probed_ok = true;
break;
case ISO_13818_PES_PRIVATE:
break;
default:
mxdebug_if(m_debug_pat_pmt, boost::format("mpeg_ts:parse_pmt: Unknown stream type: %1%\n") % (int)pmt_pid_info->stream_type);
track->type = ES_UNKNOWN;
break;
}
pmt_descriptor = (mpeg_ts_pmt_descriptor_t *)((unsigned char *)pmt_pid_info + sizeof(mpeg_ts_pmt_pid_info_t));
bool type_known = false;
while (pmt_descriptor < (mpeg_ts_pmt_descriptor_t *)((unsigned char *)pmt_pid_info + sizeof(mpeg_ts_pmt_pid_info_t) + es_info_length)) {
mxdebug_if(m_debug_pat_pmt, boost::format("mpeg_ts:parse_pmt: PMT descriptor tag 0x%|1$02x| length %2%\n") % static_cast<unsigned int>(pmt_descriptor->tag) % static_cast<unsigned int>(pmt_descriptor->length));
switch(pmt_descriptor->tag) {
case 0x56: // Teletext descriptor
if (pmt_pid_info->stream_type == ISO_13818_PES_PRIVATE) { // PES containig private data
track->type = ES_UNKNOWN;
type_known = true;
mxdebug_if(m_debug_pat_pmt, "mpeg_ts:parse_pmt: Teletext found but not handled !!\n");
}
break;
case 0x59: // Subtitles descriptor
if (pmt_pid_info->stream_type == ISO_13818_PES_PRIVATE) { // PES containig private data
track->type = ES_SUBT_TYPE;
track->fourcc = FOURCC('V', 'S', 'U', 'B');
type_known = true;
}
break;
case 0x6A: // AC3 descriptor
case 0x7A: // EAC3 descriptor
if (pmt_pid_info->stream_type == ISO_13818_PES_PRIVATE) { // PES containig private data
track->type = ES_AUDIO_TYPE;
track->fourcc = FOURCC('A', 'C', '3', ' ');
type_known = true;
}
break;
case 0x7b: // DTS descriptor
if (pmt_pid_info->stream_type == ISO_13818_PES_PRIVATE) { // PES containig private data
track->type = ES_AUDIO_TYPE;
track->fourcc = FOURCC('D', 'T', 'S', ' ');
type_known = true;
}
break;
case 0x0a: // ISO 639 language descriptor
if (3 <= pmt_descriptor->length) {
int language_idx = map_to_iso639_2_code(std::string(reinterpret_cast<char *>(pmt_descriptor + 1), 3).c_str());
if (-1 != language_idx)
track->language = iso639_languages[language_idx].iso639_2_code;
}
break;
}
pmt_descriptor = (mpeg_ts_pmt_descriptor_t *)((unsigned char *)pmt_descriptor + sizeof(mpeg_ts_pmt_descriptor_t) + pmt_descriptor->length);
}
// Default to AC3 if it's a PES private stream type that's missing
// a known/more concrete descriptor tag.
if ((pmt_pid_info->stream_type == ISO_13818_PES_PRIVATE) && !type_known) {
track->type = ES_AUDIO_TYPE;
track->fourcc = FOURCC('A', 'C', '3', ' ');
}
pmt_pid_info = (mpeg_ts_pmt_pid_info_t *)((unsigned char *)pmt_pid_info + sizeof(mpeg_ts_pmt_pid_info_t) + es_info_length);
if (track->type != ES_UNKNOWN) {
PMT_found = true;
track->pid = track->pid;
track->processed = false;
track->data_ready = false;
tracks.push_back(track);
es_to_process++;
uint32_t fourcc = get_uint32_be(&track->fourcc);
mxdebug_if(m_debug_pat_pmt, boost::format("mpeg_ts:parse_pmt: PID %1% has type: 0x%|2$08x| (%3%)\n") % track->pid % fourcc % std::string(reinterpret_cast<char *>(&fourcc), 4));
}
}
return 0;
}