Result_t InitFromDirectory(const char* path) { char next_file[Kumu::MaxFilePath]; Kumu::DirScanner Scanner; Result_t result = Scanner.Open(path); if ( ASDCP_SUCCESS(result) ) { m_DirName = path; while ( ASDCP_SUCCESS(Scanner.GetNext(next_file)) ) { if ( next_file[0] == '.' ) // no hidden files or internal links continue; std::string Str(m_DirName); Str += "/"; Str += next_file; if ( ! Kumu::PathIsDirectory(Str) ) push_back(Str); } sort(); } return result; }
ASDCP::Result_t ASDCP::RawEssenceType(const std::string& filename, EssenceType_t& type) { type = ESS_UNKNOWN; ASDCP::FrameBuffer FB; Kumu::FileReader Reader; ASDCP::Wav::SimpleWaveHeader WavHeader; ASDCP::RF64::SimpleRF64Header RF64Header; ASDCP::AIFF::SimpleAIFFHeader AIFFHeader; Kumu::XMLElement TmpElement("Tmp"); ui32_t data_offset; ui32_t read_count; Result_t result = FB.Capacity(Wav::MaxWavHeader); // using Wav max because everything else is much smaller if ( Kumu::PathIsFile(filename) ) { result = Reader.OpenRead(filename); if ( ASDCP_SUCCESS(result) ) { result = Reader.Read(FB.Data(), FB.Capacity(), &read_count); Reader.Close(); } if ( ASDCP_SUCCESS(result) ) { const byte_t* p = FB.RoData(); FB.Size(read_count); ui32_t i = 0; while ( p[i] == 0 ) i++; if ( i > 1 && p[i] == 1 && (p[i+1] == ASDCP::MPEG2::SEQ_START || p[i+1] == ASDCP::MPEG2::PIC_START) ) { type = ESS_MPEG2_VES; } else if ( memcmp(FB.RoData(), ASDCP::JP2K::Magic, sizeof(ASDCP::JP2K::Magic)) == 0 ) { type = ESS_JPEG_2000; } else if ( ASDCP_SUCCESS(WavHeader.ReadFromBuffer(FB.RoData(), read_count, &data_offset)) ) { switch ( WavHeader.samplespersec ) { case 48000: type = ESS_PCM_24b_48k; break; case 96000: type = ESS_PCM_24b_96k; break; default: return RESULT_FORMAT; } } else if ( ASDCP_SUCCESS(RF64Header.ReadFromBuffer(FB.RoData(), read_count, &data_offset)) ) { switch ( RF64Header.samplespersec ) { case 48000: type = ESS_PCM_24b_48k; break; case 96000: type = ESS_PCM_24b_96k; break; default: return RESULT_FORMAT; } } else if ( ASDCP_SUCCESS(AIFFHeader.ReadFromBuffer(FB.RoData(), read_count, &data_offset)) ) { type = ESS_PCM_24b_48k; } else if ( string_is_xml(FB) ) { type = ESS_TIMED_TEXT; } else if ( ASDCP::ATMOS::IsDolbyAtmos(filename) ) { type = ESS_DCDATA_DOLBY_ATMOS; } } } else if ( Kumu::PathIsDirectory(filename) ) { char next_file[Kumu::MaxFilePath]; Kumu::DirScanner Scanner; Result_t result = Scanner.Open(filename); if ( ASDCP_SUCCESS(result) ) { while ( ASDCP_SUCCESS(Scanner.GetNext(next_file)) ) { if ( next_file[0] == '.' ) // no hidden files or internal links continue; result = Reader.OpenRead(Kumu::PathJoin(filename, next_file)); if ( ASDCP_SUCCESS(result) ) { result = Reader.Read(FB.Data(), FB.Capacity(), &read_count); Reader.Close(); } if ( ASDCP_SUCCESS(result) ) { if ( memcmp(FB.RoData(), ASDCP::JP2K::Magic, sizeof(ASDCP::JP2K::Magic)) == 0 ) { type = ESS_JPEG_2000; } else if ( ASDCP_SUCCESS(WavHeader.ReadFromBuffer(FB.RoData(), read_count, &data_offset)) ) { switch ( WavHeader.samplespersec ) { case 48000: type = ESS_PCM_24b_48k; break; case 96000: type = ESS_PCM_24b_96k; break; default: return RESULT_FORMAT; } } else if ( ASDCP_SUCCESS(RF64Header.ReadFromBuffer(FB.RoData(), read_count, &data_offset)) ) { switch ( RF64Header.samplespersec ) { case 48000: type = ESS_PCM_24b_48k; break; case 96000: type = ESS_PCM_24b_96k; break; default: return RESULT_FORMAT; } } else if ( ASDCP::ATMOS::IsDolbyAtmos(Kumu::PathJoin(filename, next_file)) ) { type = ESS_DCDATA_DOLBY_ATMOS; } else { type = ESS_DCDATA_UNKNOWN; } } break; } } } return result; }