/* 0.73s 44100.00 aiff 1ch 16b -- flute.aif */ bool printshortinfo (const char *filename) { AFfilehandle file = afOpenFile(filename, "r", NULL);; if (!file) return false; int fileFormat = afGetFileFormat(file, NULL); double sampleRate = afGetRate(file, AF_DEFAULT_TRACK); double duration = afGetFrameCount(file, AF_DEFAULT_TRACK) / sampleRate; const char *labelString = (const char *) afQueryPointer(AF_QUERYTYPE_FILEFMT, AF_QUERY_LABEL, fileFormat, 0, 0); int channels = afGetChannels(file, AF_DEFAULT_TRACK); int sampleFormat, sampleWidth; afGetSampleFormat(file, AF_DEFAULT_TRACK, &sampleFormat, &sampleWidth); int compressionType = afGetCompression(file, AF_DEFAULT_TRACK); const char *compressionName = "--"; if (compressionType != AF_COMPRESSION_NONE) { compressionName = (const char *) afQueryPointer(AF_QUERYTYPE_COMPRESSION, AF_QUERY_NAME, compressionType, 0, 0); if (!compressionName) compressionName = "unk"; } printf("%8.2fs %8.2f %4s %2dch %2db %s %s\n", duration, sampleRate, labelString, channels, sampleWidth, compressionName, filename); afCloseFile(file); return true; }
bool printfileinfo (const char *filename) { AFfilehandle file = afOpenFile(filename, "r", NULL); if (!file) return false; int fileFormat = afGetFileFormat(file, NULL); const char *formatstring = (const char *) afQueryPointer(AF_QUERYTYPE_FILEFMT, AF_QUERY_DESC, fileFormat, 0, 0); const char *labelstring = (const char *) afQueryPointer(AF_QUERYTYPE_FILEFMT, AF_QUERY_LABEL, fileFormat, 0, 0); if (!formatstring || !labelstring) return false; printf("File Name %s\n", filename); printf("File Format %s (%s)\n", formatstring, labelstring); int sampleFormat, sampleWidth; afGetSampleFormat(file, AF_DEFAULT_TRACK, &sampleFormat, &sampleWidth); int byteOrder = afGetByteOrder(file, AF_DEFAULT_TRACK); printf("Data Format "); int compressionType = afGetCompression(file, AF_DEFAULT_TRACK); if (compressionType == AF_COMPRESSION_NONE) { switch (sampleFormat) { case AF_SAMPFMT_TWOSCOMP: printf("%d-bit integer (2's complement, %s)", sampleWidth, byteOrder == AF_BYTEORDER_BIGENDIAN ? "big endian" : "little endian"); break; case AF_SAMPFMT_UNSIGNED: printf("%d-bit integer (unsigned, %s)", sampleWidth, byteOrder == AF_BYTEORDER_BIGENDIAN ? "big endian" : "little endian"); break; case AF_SAMPFMT_FLOAT: printf("single-precision (32-bit) floating point, %s", byteOrder == AF_BYTEORDER_BIGENDIAN ? "big endian" : "little endian"); break; case AF_SAMPFMT_DOUBLE: printf("double-precision (64-bit) floating point, %s", byteOrder == AF_BYTEORDER_BIGENDIAN ? "big endian" : "little endian"); break; default: printf("unknown"); break; } } else { const char *compressionName = (const char *) afQueryPointer(AF_QUERYTYPE_COMPRESSION, AF_QUERY_NAME, compressionType, 0, 0); if (!compressionName) printf("unknown compression"); else printf("%s compression", compressionName); } printf("\n"); printf("Audio Data %jd bytes begins at offset %jd (%jx hex)\n", (intmax_t) afGetTrackBytes(file, AF_DEFAULT_TRACK), (intmax_t) afGetDataOffset(file, AF_DEFAULT_TRACK), (uintmax_t) afGetDataOffset(file, AF_DEFAULT_TRACK)); printf(" %d channel%s, %jd frames\n", afGetChannels(file, AF_DEFAULT_TRACK), afGetChannels(file, AF_DEFAULT_TRACK) > 1 ? "s" : "", (intmax_t) afGetFrameCount(file, AF_DEFAULT_TRACK)); printf("Sampling Rate %.2f Hz\n", afGetRate(file, AF_DEFAULT_TRACK)); printf("Duration %.3f seconds\n", afGetFrameCount(file, AF_DEFAULT_TRACK) / afGetRate(file, AF_DEFAULT_TRACK)); char *copyright = copyrightstring(file); if (copyright) { printf("Copyright %s\n", copyright); free(copyright); } afCloseFile(file); return true; }
//*************************************************************************** bool Kwave::AudiofileDecoder::open(QWidget *widget, QIODevice &src) { metaData().clear(); Q_ASSERT(!m_source); if (m_source) qWarning("AudiofileDecoder::open(), already open !"); // try to open the source if (!src.open(QIODevice::ReadOnly)) { qWarning("AudiofileDecoder::open(), failed to open source !"); return false; } // source successfully opened m_source = &src; m_src_adapter = new Kwave::VirtualAudioFile(*m_source); Q_ASSERT(m_src_adapter); if (!m_src_adapter) return false; m_src_adapter->open(m_src_adapter, 0); AFfilehandle fh = m_src_adapter->handle(); if (!fh || (m_src_adapter->lastError() >= 0)) { QString reason; switch (m_src_adapter->lastError()) { case AF_BAD_NOT_IMPLEMENTED: reason = i18n("Format or function is not implemented"); break; case AF_BAD_MALLOC: reason = i18n("Out of memory"); break; case AF_BAD_HEADER: reason = i18n("File header is damaged"); break; case AF_BAD_CODEC_TYPE: reason = i18n("Invalid codec type"); break; case AF_BAD_OPEN: reason = i18n("Opening the file failed"); break; case AF_BAD_READ: reason = i18n("Read access failed"); break; case AF_BAD_SAMPFMT: reason = i18n("Invalid sample format"); break; default: reason = reason.number(m_src_adapter->lastError()); } QString text= i18n("An error occurred while opening the "\ "file:\n'%1'", reason); Kwave::MessageBox::error(widget, text); return false; } AFframecount length = afGetFrameCount(fh, AF_DEFAULT_TRACK); unsigned int tracks = qMax(afGetVirtualChannels(fh, AF_DEFAULT_TRACK), 0); unsigned int bits = 0; double rate = 0.0; int af_sample_format; afGetVirtualSampleFormat(fh, AF_DEFAULT_TRACK, &af_sample_format, reinterpret_cast<int *>(&bits)); Kwave::SampleFormat::Format fmt; switch (af_sample_format) { case AF_SAMPFMT_TWOSCOMP: fmt = Kwave::SampleFormat::Signed; break; case AF_SAMPFMT_UNSIGNED: fmt = Kwave::SampleFormat::Unsigned; break; case AF_SAMPFMT_FLOAT: fmt = Kwave::SampleFormat::Float; break; case AF_SAMPFMT_DOUBLE: fmt = Kwave::SampleFormat::Double; break; default: fmt = Kwave::SampleFormat::Unknown; break; } // get sample rate, with fallback to 8kHz rate = afGetRate(fh, AF_DEFAULT_TRACK); if (rate < 1.0) { qWarning("\n!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n"\ "WARNING: file has no sample rate!\n"\ " => using 8000 samples/sec as fallback\n"\ "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n"); rate = 8000.0; } Kwave::SampleFormat::Map sf; QString sample_format_name = sf.description(Kwave::SampleFormat(fmt), true); if (static_cast<signed int>(bits) < 0) bits = 0; int af_compression = afGetCompression(fh, AF_DEFAULT_TRACK); const Kwave::Compression compression( Kwave::Compression::fromAudiofile(af_compression) ); Kwave::FileInfo info(metaData()); info.setRate(rate); info.setBits(bits); info.setTracks(tracks); info.setLength(length); info.set(INF_SAMPLE_FORMAT, Kwave::SampleFormat(fmt).toInt()); info.set(Kwave::INF_COMPRESSION, compression.toInt()); metaData().replace(Kwave::MetaDataList(info)); qDebug("-------------------------"); qDebug("info:"); qDebug("compression = %d", af_compression); qDebug("channels = %d", info.tracks()); qDebug("rate = %0.0f", info.rate()); qDebug("bits/sample = %d", info.bits()); qDebug("length = %lu samples", static_cast<unsigned long int>(info.length())); qDebug("format = %d (%s)", af_sample_format, DBG(sample_format_name)); qDebug("-------------------------"); // set up libaudiofile to produce Kwave's internal sample format #if Q_BYTE_ORDER == Q_BIG_ENDIAN afSetVirtualByteOrder(fh, AF_DEFAULT_TRACK, AF_BYTEORDER_BIGENDIAN); #else afSetVirtualByteOrder(fh, AF_DEFAULT_TRACK, AF_BYTEORDER_LITTLEENDIAN); #endif afSetVirtualSampleFormat(fh, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, SAMPLE_STORAGE_BITS); return true; }
void testalaw (int fileFormat) { AFfilehandle file; AFfilesetup setup; uint16_t samples[] = {8, 24, 88, 120, 184, 784, 912, 976, 1120, 1440, 1888, 8960, 9984, 16128, 19968, 32256}; uint16_t readsamples[SAMPLE_COUNT]; AFframecount framesWritten, framesRead; int i; setup = afNewFileSetup(); afInitCompression(setup, AF_DEFAULT_TRACK, AF_COMPRESSION_G711_ALAW); afInitFileFormat(setup, fileFormat); afInitChannels(setup, AF_DEFAULT_TRACK, 1); file = afOpenFile(TEST_FILE, "w", setup); afFreeFileSetup(setup); ensure(afGetCompression(file, AF_DEFAULT_TRACK) == AF_COMPRESSION_G711_ALAW, "test file not created with G.711 A-law compression"); ensure(file != AF_NULL_FILEHANDLE, "unable to open file for writing"); framesWritten = afWriteFrames(file, AF_DEFAULT_TRACK, samples, FRAME_COUNT); ensure(framesWritten == FRAME_COUNT, "number of frames requested does not match number of frames written"); afCloseFile(file); /* Open the file for reading and verify the data. */ file = afOpenFile(TEST_FILE, "r", NULL); ensure(file != AF_NULL_FILEHANDLE, "unable to open file for reading"); ensure(afGetFileFormat(file, NULL) == fileFormat, "test file format incorrect"); ensure(afGetCompression(file, AF_DEFAULT_TRACK) == AF_COMPRESSION_G711_ALAW, "test file not opened with G.711 A-law compression"); framesRead = afReadFrames(file, AF_DEFAULT_TRACK, readsamples, FRAME_COUNT); ensure(framesRead == FRAME_COUNT, "number of frames read does not match number of frames requested"); #ifdef DEBUG for (i=0; i<SAMPLE_COUNT; i++) printf("readsamples[%d]: %d\n", i, readsamples[i]); for (i=0; i<SAMPLE_COUNT; i++) printf("samples[%d]: %d\n", i, samples[i]); #endif for (i=0; i<SAMPLE_COUNT; i++) { ensure(samples[i] == readsamples[i], "data written does not match data read"); } /* G.711 compression uses one byte per sample. */ ensure(afGetTrackBytes(file, AF_DEFAULT_TRACK) == SAMPLE_COUNT, "track byte count is incorrect"); ensure(afGetFrameCount(file, AF_DEFAULT_TRACK) == FRAME_COUNT, "frame count is incorrect"); ensure(afGetChannels(file, AF_DEFAULT_TRACK) == 1, "channel count is incorrect"); ensure(afCloseFile(file) == 0, "error closing file"); cleanup(); }
static void testADPCM(int fileFormat, int compressionFormat, int channelCount, int bytesPerPacket, int framesPerPacket, int frameCount, int threshold) { std::string testFileName; ASSERT_TRUE(createTemporaryFile("ADPCM", &testFileName)); AFfilesetup setup = afNewFileSetup(); afInitFileFormat(setup, fileFormat); afInitChannels(setup, AF_DEFAULT_TRACK, channelCount); afInitCompression(setup, AF_DEFAULT_TRACK, compressionFormat); AFfilehandle file = afOpenFile(testFileName.c_str(), "w", setup); ASSERT_TRUE(file); afFreeFileSetup(setup); int16_t *data = new int16_t[frameCount * channelCount]; for (int i=0; i<frameCount; i++) for (int c=0; c<channelCount; c++) data[i*channelCount + c] = i * ((c&1) ? -1 : 1); AFframecount framesWritten = afWriteFrames(file, AF_DEFAULT_TRACK, data, frameCount); ASSERT_EQ(framesWritten, frameCount); ASSERT_EQ(afCloseFile(file), 0); file = afOpenFile(testFileName.c_str(), "r", AF_NULL_FILESETUP); ASSERT_TRUE(file); ASSERT_EQ(afGetCompression(file, AF_DEFAULT_TRACK), compressionFormat); ASSERT_EQ(afGetFrameCount(file, AF_DEFAULT_TRACK), frameCount); ASSERT_EQ(afGetTrackBytes(file, AF_DEFAULT_TRACK), (bytesPerPacket * frameCount) / framesPerPacket); int16_t *readData = new int16_t[frameCount * channelCount]; AFframecount framesRead = afReadFrames(file, AF_DEFAULT_TRACK, readData, frameCount); ASSERT_EQ(framesRead, frameCount); for (int i=0; i<frameCount; i++) for (int c=0; c<channelCount; c++) EXPECT_LE(std::abs(data[i*channelCount + c] - readData[i*channelCount + c]), threshold); int16_t *offsetReadData = new int16_t[frameCount * channelCount]; // Read entire file with a seek before each read operation. for (AFframecount offset = 0; offset < frameCount; offset += framesPerPacket + 3) { ASSERT_EQ(afSeekFrame(file, AF_DEFAULT_TRACK, offset), offset); AFframecount framesToRead = 1091; framesRead = afReadFrames(file, AF_DEFAULT_TRACK, offsetReadData, framesToRead); ASSERT_EQ(framesRead, std::min(framesToRead, frameCount - offset)); for (int i=0; i<framesRead; i++) for (int c=0; c<channelCount; c++) EXPECT_EQ(readData[(i+offset)*channelCount + c], offsetReadData[i*channelCount + c]); } // Read entire file sequentially in multiple read operations. ASSERT_EQ(afSeekFrame(file, AF_DEFAULT_TRACK, 0), 0); AFframecount framesToRead = 1087; for (AFframecount offset = 0; offset < frameCount; offset += framesToRead) { framesRead = afReadFrames(file, AF_DEFAULT_TRACK, offsetReadData, framesToRead); ASSERT_EQ(framesRead, std::min(framesToRead, frameCount - offset)); for (int i=0; i<framesRead; i++) for (int c=0; c<channelCount; c++) EXPECT_EQ(readData[(i+offset)*channelCount + c], offsetReadData[i*channelCount + c]); } ASSERT_EQ(afCloseFile(file), 0); delete [] data; delete [] readData; delete [] offsetReadData; ASSERT_EQ(::unlink(testFileName.c_str()), 0); }
Result process() { if (const YAML::Node *n = m_entry.FindValue(kSkip)) return kSkipped; if (const YAML::Node *n = m_entry.FindValue(kPath)) { n->GetScalar(m_path); } else { logerr("no path specified, line %d", n->GetMark().line); return kManifestError; } if (const YAML::Node *n = m_entry.FindValue(kMD5Sum)) { std::string md5 = md5sum(m_path); std::string expectedMD5; n->GetScalar(expectedMD5); if (md5 != expectedMD5) { logerr("md5 checksum differs from expected value"); return kFailure; } } AFfilehandle file = afOpenFile(m_path.c_str(), "r", NULL); if (const YAML::Node *n = m_entry.FindValue(kInvalid)) { if (!file) return kSuccess; logerr("opening invalid file did not fail as expected"); return kFailure; } if (!file) { logerr("could not open file"); return kFailure; } for (YAML::Iterator i = m_entry.begin(); i != m_entry.end(); ++i) { std::string key = i.first().to<std::string>(); std::string value = i.second().to<std::string>(); if (key == kFileFormat) { const char *fileFormat = (const char *) afQueryPointer(AF_QUERYTYPE_FILEFMT, AF_QUERY_LABEL, afGetFileFormat(file, NULL), 0, 0); assert(fileFormat); expect(key, std::string(fileFormat), value); } else if (key == kChannels) { int expectedChannels = atoi(value.c_str()); expect(key, expectedChannels, afGetChannels(file, AF_DEFAULT_TRACK)); } else if (key == kByteOrder) { int expectedByteOrder; if (value == kByteOrder_Big) expectedByteOrder = AF_BYTEORDER_BIGENDIAN; else if (value == kByteOrder_Little) expectedByteOrder = AF_BYTEORDER_LITTLEENDIAN; else { logerr("bad value for byte order: %s, line %d", value.c_str(), i.second().GetMark().line); return kManifestError; } expect(key, expectedByteOrder, afGetByteOrder(file, AF_DEFAULT_TRACK)); } else if (key == kSampleRate) { double expectedSampleRate = atof(value.c_str()); expect(key, expectedSampleRate, afGetRate(file, AF_DEFAULT_TRACK)); } else if (key == kSampleFormat) { std::string width = value.substr(1, value.length() - 1); char format = value[0]; int expectedSampleWidth = atoi(width.c_str()); bool isValidSampleWidth = (expectedSampleWidth >= 1 && expectedSampleWidth <= 32) || expectedSampleWidth == 64; if (!isValidSampleWidth) { logerr("bad value for sample format: %s, line %d", value.c_str(), i.second().GetMark().line); return kManifestError; } int expectedSampleFormat = -1; switch (format) { case 's': expectedSampleFormat = AF_SAMPFMT_TWOSCOMP; break; case 'u': expectedSampleFormat = AF_SAMPFMT_UNSIGNED; break; case 'f': if (expectedSampleWidth == 32) expectedSampleFormat = AF_SAMPFMT_FLOAT; else if (expectedSampleWidth == 64) expectedSampleFormat = AF_SAMPFMT_DOUBLE; break; default: logerr("bad value for sample format: %s, line %d", value.c_str(), i.second().GetMark().line); return kManifestError; } int sampleFormat, sampleWidth; afGetSampleFormat(file, AF_DEFAULT_TRACK, &sampleFormat, &sampleWidth); expect(key, expectedSampleFormat, sampleFormat); expect(key, expectedSampleWidth, sampleWidth); } else if (key == kCompression) { int expectedCompression; if (value == kCompression_None) expectedCompression = AF_COMPRESSION_NONE; else if (value == kCompression_IMA_ADPCM) expectedCompression = AF_COMPRESSION_IMA; else if (value == kCompression_MS_ADPCM) expectedCompression = AF_COMPRESSION_MS_ADPCM; else if (value == kCompression_ulaw) expectedCompression = AF_COMPRESSION_G711_ULAW; else if (value == kCompression_alaw) expectedCompression = AF_COMPRESSION_G711_ALAW; else if (value == kCompression_FLAC) expectedCompression = AF_COMPRESSION_FLAC; else if (value == kCompression_ALAC) expectedCompression = AF_COMPRESSION_ALAC; else { logerr("bad value for compression: %s, line %d", value.c_str(), i.second().GetMark().line); return kManifestError; } expect(key, expectedCompression, afGetCompression(file, AF_DEFAULT_TRACK)); } else if (key == kFrames) { AFframecount expectedFrameCount = atoll(value.c_str()); expect(key, expectedFrameCount, afGetFrameCount(file, AF_DEFAULT_TRACK)); int bufferFrameCount = 1024; int channels = afGetChannels(file, AF_DEFAULT_TRACK); int maxBytesPerFrame = 8; char *buffer = new char[channels * bufferFrameCount * maxBytesPerFrame]; AFframecount framesRead = 0; while (framesRead < expectedFrameCount) { AFframecount framesToRead = std::min<AFframecount>(bufferFrameCount, expectedFrameCount - framesRead); AFframecount result = afReadFrames(file, AF_DEFAULT_TRACK, buffer, framesToRead); if (result != framesToRead) { m_failures++; break; } framesRead += result; } delete [] buffer; } else if (key == kBytes) { AFfileoffset expectedTrackBytes = atoll(value.c_str()); expect(key, expectedTrackBytes, afGetTrackBytes(file, AF_DEFAULT_TRACK)); } } afCloseFile(file); return m_failures == 0 ? kSuccess : kFailure; }