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LibAudio: Refactor and modernize WavLoader

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* All clang-tidy warnings fixed except read_header cognitive complexity
* Use size_t in more places
* Replace #define's with constexpr constants
* Some variable renaming for readability
This commit is contained in:
kleines Filmröllchen 2022-04-22 14:13:34 +02:00 • committed by Linus Groh
parent 53d3d2daaa
commit 81a336ea45
2 changed files with 31 additions and 33 deletions
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26
Userland/Libraries/LibAudio/WavLoader.h
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@ -22,12 +22,12 @@
namespace Audio {
// defines for handling the WAV header data
#define WAVE_FORMAT_PCM 0x0001 // PCM
#define WAVE_FORMAT_IEEE_FLOAT 0x0003 // IEEE float
#define WAVE_FORMAT_ALAW 0x0006 // 8-bit ITU-T G.711 A-law
#define WAVE_FORMAT_MULAW 0x0007 // 8-bit ITU-T G.711 µ-law
#define WAVE_FORMAT_EXTENSIBLE 0xFFFE // Determined by SubFormat
// constants for handling the WAV header data
static constexpr unsigned const WAVE_FORMAT_PCM = 0x0001; // PCM
static constexpr unsigned const WAVE_FORMAT_IEEE_FLOAT = 0x0003; // IEEE float
static constexpr unsigned const WAVE_FORMAT_ALAW = 0x0006; // 8-bit ITU-T G.711 A-law
static constexpr unsigned const WAVE_FORMAT_MULAW = 0x0007; // 8-bit ITU-T G.711 µ-law
static constexpr unsigned const WAVE_FORMAT_EXTENSIBLE = 0xFFFE; // Determined by SubFormat
// Parses a WAV file and produces an Audio::LegacyBuffer.
class WavLoaderPlugin : public LoaderPlugin {
@ -37,18 +37,16 @@ public:
virtual MaybeLoaderError initialize() override;
// The Buffer returned contains input data resampled at the
// destination audio device sample rate.
virtual LoaderSamples get_more_samples(size_t max_bytes_to_read_from_input = 128 * KiB) override;
virtual LoaderSamples get_more_samples(size_t max_samples_to_read_from_input = 128 * KiB) override;
virtual MaybeLoaderError reset() override { return seek(0); }
// sample_index 0 is the start of the raw audio sample data
// within the file/stream.
virtual MaybeLoaderError seek(int const sample_index) override;
virtual MaybeLoaderError seek(int sample_index) override;
virtual int loaded_samples() override { return m_loaded_samples; }
virtual int total_samples() override { return m_total_samples; }
virtual int loaded_samples() override { return static_cast<int>(m_loaded_samples); }
virtual int total_samples() override { return static_cast<int>(m_total_samples); }
virtual u32 sample_rate() override { return m_sample_rate; }
virtual u16 num_channels() override { return m_num_channels; }
virtual String format_name() override { return "RIFF WAVE (.wav)"; }
@ -68,8 +66,8 @@ private:
PcmSampleFormat m_sample_format;
size_t m_byte_offset_of_data_samples { 0 };
int m_loaded_samples { 0 };
int m_total_samples { 0 };
size_t m_loaded_samples { 0 };
size_t m_total_samples { 0 };
};
}