diff options
Diffstat (limited to 'src/audiofile.cc')
| -rw-r--r-- | src/audiofile.cc | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/src/audiofile.cc b/src/audiofile.cc index 3f59fcf..6fcdcb5 100644 --- a/src/audiofile.cc +++ b/src/audiofile.cc @@ -30,6 +30,7 @@ #include <cassert> #include <sndfile.h> +#include <array> #include <config.h> @@ -37,9 +38,9 @@ #include "channel.h" -AudioFile::AudioFile(const std::string& filename, std::size_t filechannel, +AudioFile::AudioFile(std::string filename, std::size_t filechannel, InstrumentChannel* instrument_channel) - : filename(filename) + : filename(std::move(filename)) , filechannel(filechannel) , magic{this} , instrument_channel(instrument_channel) @@ -71,28 +72,28 @@ void AudioFile::unload() data = nullptr; } -#define BUFFER_SIZE 4096 +constexpr std::size_t buffer_size{4096}; -void AudioFile::load(LogFunction logger, std::size_t sample_limit) +void AudioFile::load(const LogFunction& logger, std::size_t sample_limit) { // Make sure we don't unload the object while loading it... const std::lock_guard<std::mutex> guard(mutex); - if(this->data) // already loaded + if(this->data != nullptr) // already loaded { return; } SF_INFO sf_info{}; - SNDFILE *fh = sf_open(filename.c_str(), SFM_READ, &sf_info); - if(!fh) + SNDFILE *file_handle = sf_open(filename.c_str(), SFM_READ, &sf_info); + if(file_handle == nullptr) { ERR(audiofile,"SNDFILE Error (%s): %s\n", - filename.c_str(), sf_strerror(fh)); + filename.c_str(), sf_strerror(file_handle)); if(logger) { logger(LogLevel::Warning, "Could not load '" + filename + - "': " + sf_strerror(fh)); + "': " + sf_strerror(file_handle)); } return; } @@ -108,7 +109,7 @@ void AudioFile::load(LogFunction logger, std::size_t sample_limit) return; } - std::size_t size = sf_info.frames; + const std::size_t size = sf_info.frames; std::size_t preloadedsize = sf_info.frames; if(preloadedsize > sample_limit) @@ -116,10 +117,12 @@ void AudioFile::load(LogFunction logger, std::size_t sample_limit) preloadedsize = sample_limit; } - sample_t* data = new sample_t[preloadedsize]; + gsl::owner<sample_t*> data{}; + data = new sample_t[preloadedsize]; if(sf_info.channels == 1) { - preloadedsize = sf_read_float(fh, data, preloadedsize); + preloadedsize = + sf_read_float(file_handle, data, static_cast<sf_count_t>(preloadedsize)); } else { @@ -134,19 +137,22 @@ void AudioFile::load(LogFunction logger, std::size_t sample_limit) filechannel = sf_info.channels - 1; } - sample_t buffer[BUFFER_SIZE]; - std::size_t frame_count = BUFFER_SIZE / sf_info.channels; - std::size_t total_frames_read = 0; - int frames_read; + std::array<sample_t, buffer_size> buffer{}; + const sf_count_t frame_count{static_cast<sf_count_t>(buffer.size()) / + sf_info.channels}; + std::size_t total_frames_read{}; + std::size_t frames_read{}; do { - frames_read = sf_readf_float(fh, buffer, frame_count); - for(int i = 0; + frames_read = static_cast<std::size_t>( + sf_readf_float(file_handle, buffer.data(), frame_count)); + for(std::size_t i = 0; (i < frames_read) && (total_frames_read < sample_limit); ++i) { - data[total_frames_read++] = buffer[i * sf_info.channels + filechannel]; + data[total_frames_read++] = + buffer[i * sf_info.channels + filechannel]; // NOLINT - span } } while( (frames_read > 0) && @@ -157,7 +163,7 @@ void AudioFile::load(LogFunction logger, std::size_t sample_limit) preloadedsize = total_frames_read; } - sf_close(fh); + sf_close(file_handle); this->data = data; this->size = size; |