ChronUtils.hpp

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#pragma once
 
namespace MayaFlux::Vruta {
 
inline uint32_t s_registered_sample_rate { 48000 };
inline uint32_t s_registered_frame_rate { 60 };
 
/**
 * @brief Convert frames to seconds at a given frame rate
 * @param frames Number of frames
 * @param frame_rate Frame rate in Hz
 * @return Time duration in seconds
 */
inline uint64_t frames_to_seconds(uint64_t frames, uint32_t frame_rate = s_registered_frame_rate)
{
    return frames / frame_rate;
}
 
/**
 * @brief Get duration of a single frame at given frame rate
 * @param frame_rate Frame rate in Hz
 * @return Duration in milliseconds
 */
inline std::chrono::milliseconds frame_duration_ms(uint32_t frame_rate = s_registered_frame_rate)
{
    return std::chrono::milliseconds(1000 / frame_rate);
}
 
/**
 * @brief Get duration of a single frame at given frame rate (high precision)
 * @param frame_rate Frame rate in Hz
 * @return Duration in microseconds
 */
inline std::chrono::microseconds frame_duration_us(uint32_t frame_rate = s_registered_frame_rate)
{
    return std::chrono::microseconds(1000000 / frame_rate);
}
 
/**
 * @brief Get duration for N frames at given frame rate
 * @param num_frames Number of frames
 * @param frame_rate Frame rate in Hz
 * @return Duration in milliseconds
 */
inline std::chrono::milliseconds frames_duration_ms(uint64_t num_frames, uint32_t frame_rate = s_registered_frame_rate)
{
    return std::chrono::milliseconds((num_frames * 1000) / frame_rate);
}
 
/**
 * @brief Get duration for N frames at given frame rate (high precision)
 * @param num_frames Number of frames
 * @param frame_rate Frame rate in Hz
 * @return Duration in microseconds
 */
inline std::chrono::microseconds frames_duration_us(uint64_t num_frames, uint32_t frame_rate = s_registered_frame_rate)
{
    return std::chrono::microseconds((num_frames * 1000000) / frame_rate);
}
 
/** * @brief Convert samples to seconds at a given sample rate
 * @param samples Number of samples
 * @param sample_rate Sample rate in Hz
 * @return Time duration in seconds
 */
inline uint64_t samples_to_seconds(uint64_t samples, uint32_t sample_rate = s_registered_sample_rate)
{
    return samples / sample_rate;
}
 
/**
 * @brief Convert frames to samples at a given sample rate and frame rate
 * @param frames Number of frames
 * @param sample_rate Sample rate in Hz
 * @param frame_rate Frame rate in Hz
 * @return Number of samples
 */
inline uint64_t frames_to_samples(uint64_t frames, uint32_t sample_rate = s_registered_sample_rate, uint32_t frame_rate = s_registered_frame_rate)
{
    return (frames * sample_rate) / frame_rate;
}
 
/**
 * @brief Convert samples to frames at a given sample rate and frame rate
 * @param samples Number of samples
 * @param sample_rate Sample rate in Hz
 * @param frame_rate Frame rate in Hz
 * @return Number of frames
 */
inline uint64_t samples_to_frames(uint64_t samples, uint32_t sample_rate = s_registered_sample_rate, uint32_t frame_rate = s_registered_frame_rate)
{
    return (samples * frame_rate) / sample_rate;
}
 
/**
 * @brief Convert seconds to samples at a given sample rate
 * @param seconds Time duration in seconds
 * @param sample_rate Sample rate in Hz
 * @return Number of samples
 */
inline uint64_t seconds_to_samples(double seconds, uint32_t sample_rate = s_registered_sample_rate)
{
    return static_cast<uint64_t>(seconds * sample_rate);
}
 
/**
 * @brief Convert seconds to frames at a given frame rate
 * @param seconds Time duration in seconds
 * @param frame_rate Frame rate in Hz
 * @return Number of frames
 */
inline uint64_t seconds_to_frames(double seconds, uint32_t frame_rate = s_registered_frame_rate)
{
    return static_cast<uint64_t>(seconds * frame_rate);
}
 
/**
 * @brief Convert seconds to processing units for any rate
 * @param seconds Time duration in seconds
 * @param rate Processing rate (samples/sec, frames/sec, etc.)
 * @return Number of processing units
 */
inline uint64_t seconds_to_units(double seconds, uint32_t rate)
{
    return static_cast<uint64_t>(seconds * rate);
}
 
/**
 * @brief Convert processing units to seconds for any rate
 * @param units Number of processing units
 * @param rate Processing rate (samples/sec, frames/sec, etc.)
 * @return Time duration in seconds
 */
inline double units_to_seconds(uint64_t units, uint32_t rate)
{
    return static_cast<double>(units) / rate;
}
 
/**
 * @brief Convert seconds to number of processing blocks
 * @param seconds Time duration in seconds
 * @param sample_rate Sample rate in Hz
 * @param block_size Number of samples per block
 * @return Number of blocks
 */
inline uint64_t seconds_to_blocks(double seconds, uint32_t sample_rate, uint32_t block_size)
{
    uint64_t total_samples = seconds_to_samples(seconds, sample_rate);
    return (total_samples + block_size - 1) / block_size; // Ceiling division
}
 
/**
 * @brief Convert samples to number of processing blocks
 * @param samples Number of samples
 * @param block_size Number of samples per block
 * @return Number of blocks
 */
inline uint64_t samples_to_blocks(uint64_t samples, uint32_t block_size)
{
    return (samples + block_size - 1) / block_size; // Ceiling division
}
 
/**
 * @brief Convert blocks to samples
 * @param blocks Number of blocks
 * @param block_size Number of samples per block
 * @return Number of samples
 */
inline uint64_t blocks_to_samples(uint64_t blocks, uint32_t block_size)
{
    return blocks * block_size;
}
 
/**
 * @brief Convert blocks to seconds
 * @param blocks Number of blocks
 * @param sample_rate Sample rate in Hz
 * @param block_size Number of samples per block
 * @return Time duration in seconds
 */
inline double blocks_to_seconds(uint64_t blocks, uint32_t sample_rate, uint32_t block_size)
{
    uint64_t total_samples = blocks_to_samples(blocks, block_size);
    return units_to_seconds(total_samples, sample_rate);
}
 
}