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114 commits

Author SHA1 Message Date
derselbst
9ef169cb00 fix building CoreAudio on OSX 10.4 
by cleaning up fluidsynth's private includes
 2019-02-15 17:55:02 +01:00
carlo-bramini
fe92a0a655 Introduce enable-threads option to cmake (#463) 2018-11-18 08:55:52 +01:00
carlo-bramini
29c668683f Improve float calculations (#462) 
I tried to check the generated ASM code when WITH_FLOAT macro is defined and when it is undefined. In both cases I noticed that there are some points where the math number are converted from float to double and viceversa. Actually this happens whether the FPU is present or not, perhaps for granting the right precision in digits. I also noticed few points that could be simplified a bit by using integer math, so I also included them.

 * Since fluid_voice_get_actual_key() returns an integer value, the value 60 could be subtracted directly as integer, the code generated looks a bit better.
 * FLUID_NOISE_FLOOR needs to be cast to fluid_real_t to generate a bit more efficient code.
 * DC_OFFSET needs a cast to fluid_real_t to generate a bit more efficient code.
 * "last_fres" and "output_rate" are already fluid_real_t, so they do not need type cast.
 * "chan_add", "par1_add" and "par2_add" are integer types, so they can be added without FPU. "chan_mul", "par1_mul" and "par2_mul" are already fluid_real_t, so they do not need type cast. Instead, the constant 0.5 needs cast to fluid_real_t to be more efficient.
 2018-11-16 16:52:34 +01:00
carlo-bramini
0bf5c28275 "ready" is unused if ENABLE_MIXER_THREADS=0 2018-11-10 08:09:08 +01:00
Tom M
edc59ee3b5
Merge pull request #458 from FluidSynth/clang-tidying 
Fix clang-tidy warnings
 2018-11-10 08:01:10 +01:00
carlo-bramini
afbd818f8a
Use M_LN10 macro instead of log(10.) 2018-11-03 17:07:20 +01:00
Tom M
0160543cdd
Compile time constant lookup tables with cmake (#438) 
Autogenerate lookup tables with a C helper tool, allowing them to be compile time constant and reduce memory requirements esp. on embedded systems.
 2018-11-03 14:38:54 +01:00
derselbst
ffdf5b89d7 constify function parameters if possible 2018-11-03 14:11:05 +01:00
carlo-bramini
ebc177f48f Consistently use FLUID_LOG macro (#443) 2018-10-16 18:02:27 +02:00
derselbst
c93fdd4b10 avoid chorus depth from spamming the console 
on any chorus setting, if the previous depth was out of range
 2018-10-07 13:15:05 +02:00
carlo-bramini
f74f415a69 Avoid duplication of fluid_chorus_sine() call. 
Closes #439.
 2018-10-06 12:05:10 +02:00
derselbst
fd7db023dd set upper chorus depth to 256 ms 
upper depth limit (ms) = (MAX_SAMPLES * 1000) / lower sample rate limit

with MAX_SAMPLES==2048 && lowersrate==8000
 2018-10-05 18:39:54 +02:00
derselbst
8afb46515f fix comment for sinc interpolation table 
a Hanning window is applied, rather than a Hamming  window
 2018-07-19 17:22:44 +02:00
Tom M
c4f0b19c64
Merge pull request #405 from FluidSynth/fluid-synth-process 
Complete implementation of fluid_synth_process() and add support for multi-channel effects rendering.
 2018-07-11 17:26:51 +02:00
derselbst
e6e6c570f6 fix NULL deref in new_fluid_rvoice_mixer() 2018-07-11 10:49:57 +02:00
derselbst
88fda6f99b support multiple effects units 
adds a new setting "synth.effects-groups" that allows multiple effects
units, in order to render effects of each midi channel to a separate
audio channel
 2018-07-07 12:53:25 +02:00
carlo-bramini
4ea94a324f Fix single thread build (#410) 
Compilation fails if ENABLE_MIXER_THREADS is set to zero, due to a mismatch of parenthesis.
 2018-07-01 12:54:07 +02:00
derselbst
9382edabd5 enforce coding style guide 
using astyle
 2018-06-24 13:13:18 +02:00
Tom M
b6b6931468
Revert "implement true zero gain for maximum attenuation (#396)" (#398) 
This reverts commit 29d1947ccc. Reading the spec again, the final gain amp should actually applied for the whole voice, not just single buffers (cf. sect. 9.1.8 Figure 2). Thus rvoice_mixer is not the correct place to implement this. It should instead be done in fluid_rvoice_calc_amp().

reopens #319
closes #399
 2018-06-17 19:54:37 +02:00
derselbst
9e2ea65618 document FLUID_MIXER_MAX_BUFFERS_DEFAULT 2018-06-17 15:58:22 +02:00
Tom M
29d1947ccc
implement true zero gain for maximum attenuation (#396) 
fixes #319
 2018-06-15 18:46:10 +02:00
jjceresa
0921ccc4c0 introducing FLUID_PEAK_ATTENUATION macro. (#397) 
avoids hard-coding the magic 96 dB everywhere in the code
 2018-06-15 18:42:15 +02:00
derselbst
d0d156f50f silence gcc4.8 erroneously reporting uninitialized vars 2018-05-20 10:45:35 +02:00
derselbst
b70b24ce0a remove fluid_rvoice_mixer_set_threads() as rvoice event function 
Changing the number of rendering threads on-the-fly is not considered to be a usecase. In fact it will cause glitchy audio if doing so while synthesizing because all rendering threads are killed and their mixdown buffers are reallocated. This change should fix glitchy audio that might occur at the beginning of synthesization, as the rvoice_event for thread allocation may be dispatched (too) late.
 2018-05-19 17:04:37 +02:00
derselbst
6bcdf87c06 fix broken multithread rendering 
and minor current_blockcount cleanups
 2018-05-18 13:07:16 +02:00
Tom M
fcc69471d6
Merge pull request #385 from FluidSynth/issue49 
Add reverb and chorus settings
 2018-05-18 10:15:11 +02:00
Tom M
f1384f03d9
Merge branch 'master' into rvoice-align 2018-05-11 16:53:42 +02:00
derselbst
4f2be10507 add reverb and chorus settings 
as suggested by #49
 2018-05-10 20:00:25 +02:00
jjceresa
2bff09b420 fluid_rvoice_check_sample_sanity cleanup (#375) 
Check already done by the caller.
 2018-05-05 16:40:55 +02:00
derselbst
d8f46f2bae remove unused vars, clarify comments 2018-05-05 15:17:09 +02:00
Tom M
05c2d57e65
Merge pull request #372 from FluidSynth/rvoice-refactor3 
rvoice_mixer refactorings + cleanups
 2018-05-02 20:51:53 +02:00
derselbst
ab255b7178 avoid polling variables from global mem 
that never change
 2018-04-27 20:54:30 +02:00
derselbst
1d9dfd2a2a optimize fluid_mixer_buffers_zero() 
only zero needed parts of sample buffers
 2018-04-27 18:25:07 +02:00
derselbst
b7cf79bc15 vectorize mixdown loop of fluid_mixer_buffers_mix() 2018-04-27 17:49:22 +02:00
derselbst
58008aae18 convert rvoice_mixer mixdown buffer to 1D arrays 2018-04-27 17:34:29 +02:00
derselbst
ed312b7acc refactor fluid_rvoice_mixer_process_fx() 2018-04-26 22:01:50 +02:00
derselbst
89015494cb vectorize mixing loop of fluid_rvoice_buffers_mix() 2018-04-26 22:01:49 +02:00
derselbst
f332f32a7c remove optimization for centered stereo samples 
in favour of vectorized mixing loop. Was incredibly unlikely to happen anyway.
 2018-04-26 16:47:06 +02:00
derselbst
7ebdabae0c allocate mono voice mix buffer on the heap 2018-04-26 16:25:26 +02:00
derselbst
354bea9cfc fix build if ENABLE_MIXER_THREADS == 0 2018-04-25 21:08:48 +02:00
derselbst
2ad96d020e avoid leaking rvoice_mixer threads 
introduced in 7ae9099293
 2018-04-25 21:05:02 +02:00
derselbst
f867e3b15a fix rvoice_buffers initialization loop 2018-04-25 15:59:00 +02:00
derselbst
8aa073b4a4 remove redundant fluid_rvoice_mixer_t::remove_voice_callback 
call rvoice_eventhandler directly to handle finished voices
 2018-04-25 15:59:00 +02:00
derselbst
5d28ecc5cc remove redundant fluid_rvoice_mixer_t::buf_blocks 
as it's always equal to FLUID_MIXER_MAX_BUFFERS_DEFAULT
 2018-04-25 15:59:00 +02:00
derselbst
0b64c8d887 remove fluid_rvoice_dsp_t::is_looping flag 
and pass it to interpolate functions directly and reorder flags
 2018-04-25 15:58:59 +02:00
derselbst
b95266cf6c remove fluid_rvoice_dsp_t::dsp_buf 
pass dsp_buf to interpolation functions directly
 2018-04-25 15:58:59 +02:00
derselbst
f2cf1f82c7 move fluid_rvoice_buffers_mix() to rvoice_mixer 2018-04-25 14:57:40 +02:00
derselbst
907ec27a9e optimize away memset/mix if voice is quiet 2018-04-25 14:56:20 +02:00
derselbst
78de299da4 make param array of fluid_rvoice_function_t const 2018-04-11 19:22:55 +02:00
derselbst
036595f7db avoid duplicate call of fluid_rvoice_set_output_rate() 2018-04-11 09:56:03 +02:00