3 #ifndef SPECTMORPH_AUDIO_HH
4 #define SPECTMORPH_AUDIO_HH
8 #include "smgenericin.hh"
9 #include "smgenericout.hh"
13 #define SPECTMORPH_BINARY_FILE_VERSION 14
14 #define SPECTMORPH_SUPPORT_MULTI_CHANNEL 0
32 std::vector<uint16_t>
mags;
38 double estimate_fundamental (
int n_partials = 1,
double *mag =
nullptr)
const;
41 freqs_f (
size_t i)
const
43 return sm_ifreq2freq (
freqs[i]);
47 mags_f (
size_t i)
const
49 return sm_idb2factor (
mags[i]);
53 phases_f (
size_t i)
const
55 const double factor = 2.0 * M_PI / 65536.0;
60 noise_f (
size_t i)
const
62 return sm_idb2factor (
noise[i]);
81 SPECTMORPH_CLASS_NON_COPYABLE (
Audio);
110 Error load (
const std::string& filename, AudioLoadOptions load_options = AUDIO_LOAD_DEBUG);
112 Error save (
const std::string& filename)
const;
115 Audio *clone()
const;
117 static bool loop_type_to_string (LoopType
loop_type, std::string& s);
118 static bool string_to_loop_type (
const std::string& s, LoopType&
loop_type);
Audio sample containing many blocks.
Definition: smaudio.hh:79
int zero_values_at_start
number of zero values added by encoder (strip during decoding)
Definition: smaudio.hh:104
int loop_start
loop point to be used during sustain phase of playback
Definition: smaudio.hh:102
std::vector< float > original_fft
original zeropadded FFT data - for debugging only
Definition: smaudio.hh:34
std::vector< uint16_t > freqs
frequencies of the sine components of this frame
Definition: smaudio.hh:31
int sample_count
number of samples encoded (including zero_values_at_start)
Definition: smaudio.hh:105
Error save(const std::string &filename) const
Definition: smaudio.cc:249
float frame_step_ms
stepping of the audio frames in milliseconds
Definition: smaudio.hh:97
std::vector< AudioBlock > contents
the actual frame data
Definition: smaudio.hh:108
std::vector< uint16_t > phases
phases of the sine components
Definition: smaudio.hh:33
Block of audio data, encoded in SpectMorph parametric format.
Definition: smaudio.hh:27
int zeropad
FFT zeropadding used during analysis.
Definition: smaudio.hh:100
LoopType loop_type
type of loop to be used during sustain phase of playback
Definition: smaudio.hh:101
int loop_end
loop point to be used during sustain phase of playback
Definition: smaudio.hh:103
std::vector< float > original_samples
original time domain signal as samples (debugging only)
Definition: smaudio.hh:106
Generic Input Stream.
Definition: smgenericin.hh:17
Generic Output Stream.
Definition: smgenericout.hh:17
Definition: smutils.hh:90
float frame_size_ms
length of each audio frame in milliseconds
Definition: smaudio.hh:96
Error load(const std::string &filename, AudioLoadOptions load_options=AUDIO_LOAD_DEBUG)
Definition: smaudio.cc:31
float attack_end_ms
end of attack in milliseconds
Definition: smaudio.hh:99
std::vector< uint16_t > noise
noise envelope, representing the original signal minus sine components
Definition: smaudio.hh:30
float fundamental_freq
fundamental frequency (note which was encoded), or 0 if not available
Definition: smaudio.hh:94
float mix_freq
mix freq (sampling rate) of the original audio data
Definition: smaudio.hh:95
float original_samples_norm_db
normalization factor to be applied to original samples
Definition: smaudio.hh:107
std::vector< uint16_t > mags
magnitudes of the sine components
Definition: smaudio.hh:32
std::vector< float > debug_samples
original audio samples for this frame - for debugging only
Definition: smaudio.hh:35
float attack_start_ms
start of attack in milliseconds
Definition: smaudio.hh:98