annotate data/fileio/DecodingWavFileReader.cpp @ 1886:f803d3c33f76 tip

Switch off copious debug in soft synth driving
author Chris Cannam
date Fri, 14 Aug 2020 10:44:44 +0100
parents 14747f24ad04
children
rev   line source
Chris@297 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@297 2
Chris@297 3 /*
Chris@297 4 Sonic Visualiser
Chris@297 5 An audio file viewer and annotation editor.
Chris@297 6 Centre for Digital Music, Queen Mary, University of London.
Chris@297 7 This file copyright 2007 QMUL.
Chris@297 8
Chris@297 9 This program is free software; you can redistribute it and/or
Chris@297 10 modify it under the terms of the GNU General Public License as
Chris@297 11 published by the Free Software Foundation; either version 2 of the
Chris@297 12 License, or (at your option) any later version. See the file
Chris@297 13 COPYING included with this distribution for more information.
Chris@297 14 */
Chris@297 15
Chris@823 16 #include "DecodingWavFileReader.h"
Chris@297 17
Chris@297 18 #include "WavFileReader.h"
Chris@297 19 #include "base/Profiler.h"
Chris@392 20 #include "base/ProgressReporter.h"
Chris@297 21
Chris@297 22 #include <QFileInfo>
Chris@297 23
Chris@1096 24 using namespace std;
Chris@1096 25
Chris@823 26 DecodingWavFileReader::DecodingWavFileReader(FileSource source,
Chris@1097 27 DecodeMode decodeMode,
Chris@920 28 CacheMode mode,
Chris@1040 29 sv_samplerate_t targetRate,
Chris@920 30 bool normalised,
Chris@920 31 ProgressReporter *reporter) :
Chris@920 32 CodedAudioFileReader(mode, targetRate, normalised),
Chris@316 33 m_source(source),
Chris@316 34 m_path(source.getLocalFilename()),
Chris@297 35 m_cancelled(false),
Chris@297 36 m_processed(0),
Chris@297 37 m_completion(0),
Chris@1582 38 m_original(nullptr),
Chris@392 39 m_reporter(reporter),
Chris@1582 40 m_decodeThread(nullptr)
Chris@297 41 {
Chris@1279 42 SVDEBUG << "DecodingWavFileReader: local path: \"" << m_path
Chris@1279 43 << "\", decode mode: " << decodeMode << " ("
Chris@1279 44 << (decodeMode == DecodeAtOnce ? "DecodeAtOnce" : "DecodeThreaded")
Chris@1279 45 << ")" << endl;
Chris@1279 46
Chris@297 47 m_channelCount = 0;
Chris@297 48 m_fileRate = 0;
Chris@297 49
Chris@1295 50 Profiler profiler("DecodingWavFileReader::DecodingWavFileReader");
Chris@297 51
Chris@316 52 m_original = new WavFileReader(m_path);
Chris@297 53 if (!m_original->isOK()) {
Chris@297 54 m_error = m_original->getError();
Chris@297 55 return;
Chris@297 56 }
Chris@297 57
Chris@297 58 m_channelCount = m_original->getChannelCount();
Chris@297 59 m_fileRate = m_original->getSampleRate();
Chris@297 60
Chris@1592 61 m_title = m_original->getTitle();
Chris@1592 62 m_maker = m_original->getMaker();
Chris@1592 63
Chris@297 64 initialiseDecodeCache();
Chris@297 65
Chris@1097 66 if (decodeMode == DecodeAtOnce) {
Chris@297 67
Chris@392 68 if (m_reporter) {
Chris@392 69 connect(m_reporter, SIGNAL(cancelled()), this, SLOT(cancelled()));
Chris@392 70 m_reporter->setMessage
Chris@823 71 (tr("Decoding %1...").arg(QFileInfo(m_path).fileName()));
Chris@327 72 }
Chris@297 73
Chris@1038 74 sv_frame_t blockSize = 16384;
Chris@1038 75 sv_frame_t total = m_original->getFrameCount();
Chris@297 76
Chris@1326 77 floatvec_t block;
Chris@297 78
Chris@1038 79 for (sv_frame_t i = 0; i < total; i += blockSize) {
Chris@297 80
Chris@1038 81 sv_frame_t count = blockSize;
Chris@297 82 if (i + count > total) count = total - i;
Chris@297 83
Chris@1041 84 block = m_original->getInterleavedFrames(i, count);
Chris@297 85 addBlock(block);
Chris@297 86
Chris@297 87 if (m_cancelled) break;
Chris@297 88 }
Chris@297 89
Chris@297 90 if (isDecodeCacheInitialised()) finishDecodeCache();
Chris@398 91 endSerialised();
Chris@297 92
Chris@403 93 if (m_reporter) m_reporter->setProgress(100);
Chris@403 94
Chris@297 95 delete m_original;
Chris@1582 96 m_original = nullptr;
Chris@297 97
Chris@392 98 } else {
Chris@297 99
Chris@392 100 if (m_reporter) m_reporter->setProgress(100);
Chris@297 101
Chris@297 102 m_decodeThread = new DecodeThread(this);
Chris@297 103 m_decodeThread->start();
Chris@297 104 }
Chris@297 105 }
Chris@297 106
Chris@823 107 DecodingWavFileReader::~DecodingWavFileReader()
Chris@297 108 {
Chris@297 109 if (m_decodeThread) {
Chris@297 110 m_cancelled = true;
Chris@297 111 m_decodeThread->wait();
Chris@297 112 delete m_decodeThread;
Chris@297 113 }
Chris@297 114
Chris@297 115 delete m_original;
Chris@297 116 }
Chris@297 117
Chris@297 118 void
Chris@823 119 DecodingWavFileReader::cancelled()
Chris@392 120 {
Chris@392 121 m_cancelled = true;
Chris@392 122 }
Chris@392 123
Chris@392 124 void
Chris@823 125 DecodingWavFileReader::DecodeThread::run()
Chris@297 126 {
Chris@297 127 if (m_reader->m_cacheMode == CacheInTemporaryFile) {
Chris@1858 128 m_reader->startSerialised("DecodingWavFileReader::Decode",
Chris@1858 129 &m_reader->m_cancelled);
Chris@1858 130 if (m_reader->m_cancelled) {
Chris@1858 131 return;
Chris@1858 132 }
Chris@297 133 }
Chris@297 134
Chris@1038 135 sv_frame_t blockSize = 16384;
Chris@1038 136 sv_frame_t total = m_reader->m_original->getFrameCount();
Chris@297 137
Chris@1326 138 floatvec_t block;
Chris@297 139
Chris@1038 140 for (sv_frame_t i = 0; i < total; i += blockSize) {
Chris@297 141
Chris@1038 142 sv_frame_t count = blockSize;
Chris@297 143 if (i + count > total) count = total - i;
Chris@297 144
Chris@1041 145 block = m_reader->m_original->getInterleavedFrames(i, count);
Chris@297 146 m_reader->addBlock(block);
Chris@297 147
Chris@297 148 if (m_reader->m_cancelled) break;
Chris@297 149 }
Chris@297 150
Chris@297 151 if (m_reader->isDecodeCacheInitialised()) m_reader->finishDecodeCache();
Chris@297 152 m_reader->m_completion = 100;
Chris@297 153
Chris@297 154 m_reader->endSerialised();
Chris@297 155
Chris@297 156 delete m_reader->m_original;
Chris@1582 157 m_reader->m_original = nullptr;
Chris@297 158 }
Chris@297 159
Chris@297 160 void
Chris@1326 161 DecodingWavFileReader::addBlock(const floatvec_t &frames)
Chris@297 162 {
Chris@297 163 addSamplesToDecodeCache(frames);
Chris@297 164
Chris@297 165 m_processed += frames.size();
Chris@297 166
Chris@1038 167 double ratio = double(m_sampleRate) / double(m_fileRate);
Chris@403 168
Chris@1038 169 int progress = int(lrint((double(m_processed) * ratio * 100) /
Chris@1038 170 double(m_original->getFrameCount())));
Chris@297 171
Chris@297 172 if (progress > 99) progress = 99;
Chris@297 173 m_completion = progress;
Chris@297 174
Chris@392 175 if (m_reporter) {
Chris@392 176 m_reporter->setProgress(progress);
Chris@297 177 }
Chris@297 178 }
Chris@297 179
Chris@297 180 void
Chris@1096 181 DecodingWavFileReader::getSupportedExtensions(set<QString> &extensions)
Chris@297 182 {
Chris@297 183 WavFileReader::getSupportedExtensions(extensions);
Chris@297 184 }
Chris@297 185
Chris@316 186 bool
Chris@823 187 DecodingWavFileReader::supportsExtension(QString extension)
Chris@316 188 {
Chris@316 189 return WavFileReader::supportsExtension(extension);
Chris@316 190 }
Chris@297 191
Chris@316 192 bool
Chris@823 193 DecodingWavFileReader::supportsContentType(QString type)
Chris@316 194 {
Chris@316 195 return WavFileReader::supportsContentType(type);
Chris@316 196 }
Chris@316 197
Chris@316 198 bool
Chris@823 199 DecodingWavFileReader::supports(FileSource &source)
Chris@316 200 {
Chris@316 201 return WavFileReader::supports(source);
Chris@316 202 }
Chris@316 203
Chris@316 204