2 This file is part of PulseAudio.
4 This module is based off Lennart Poettering's LADSPA sink and swaps out
5 LADSPA functionality for a dbus-aware STFT OLA based digital equalizer.
6 All new work is published under Pulseaudio's original license.
7 Copyright 2009 Jason Newton <nevion@gmail.com>
10 Copyright 2004-2008 Lennart Poettering
12 PulseAudio is free software; you can redistribute it and/or modify
13 it under the terms of the GNU Lesser General Public License as published
14 by the Free Software Foundation; either version 2.1 of the License,
15 or (at your option) any later version.
17 PulseAudio is distributed in the hope that it will be useful, but
18 WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 General Public License for more details.
22 You should have received a copy of the GNU Lesser General Public License
23 along with PulseAudio; if not, write to the Free Software
24 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
39 #include <pulse/xmalloc.h>
40 #include <pulse/i18n.h>
41 #include <pulse/timeval.h>
43 #include <pulsecore/core-rtclock.h>
44 #include <pulsecore/aupdate.h>
45 #include <pulsecore/core-error.h>
46 #include <pulsecore/namereg.h>
47 #include <pulsecore/sink.h>
48 #include <pulsecore/module.h>
49 #include <pulsecore/core-util.h>
50 #include <pulsecore/modargs.h>
51 #include <pulsecore/log.h>
52 #include <pulsecore/thread.h>
53 #include <pulsecore/thread-mq.h>
54 #include <pulsecore/rtpoll.h>
55 #include <pulsecore/sample-util.h>
56 #include <pulsecore/shared.h>
57 #include <pulsecore/idxset.h>
58 #include <pulsecore/strlist.h>
59 #include <pulsecore/database.h>
60 #include <pulsecore/protocol-dbus.h>
61 #include <pulsecore/dbus-util.h>
69 #include <xmmintrin.h>
70 #include <emmintrin.h>
75 #include "module-equalizer-sink-symdef.h"
77 PA_MODULE_AUTHOR("Jason Newton");
78 PA_MODULE_DESCRIPTION(_("General Purpose Equalizer"));
79 PA_MODULE_VERSION(PACKAGE_VERSION
);
80 PA_MODULE_LOAD_ONCE(FALSE
);
81 PA_MODULE_USAGE(_("sink=<sink to connect to> "));
83 #define MEMBLOCKQ_MAXLENGTH (16*1024*1024)
89 pa_sink_input
*sink_input
;
93 size_t fft_size
;//length (res) of fft
96 *effectively chooses R
98 size_t R
;/* the hop size between overlapping windows
99 * the latency of the filter, calculated from window_size
100 * based on constraints of COLA and window function
102 //for twiddling with pulseaudio
103 size_t overlap_size
;//window_size-R
104 size_t samples_gathered
;
105 size_t input_buffer_max
;
107 float *W
;//windowing function (time domain)
108 float *work_buffer
, **input
, **overlap_accum
;
109 fftwf_complex
*output_window
;
110 fftwf_plan forward_plan
, inverse_plan
;
114 float ***Hs
;//thread updatable copies of the freq response filters (magintude based)
116 pa_memchunk conv_buffer
;
117 pa_memblockq
*input_q
;
118 pa_bool_t first_iteration
;
120 pa_dbus_protocol
*dbus_protocol
;
122 pa_bool_t set_default
;
124 pa_database
*database
;
125 char **base_profiles
;
128 static const char* const valid_modargs
[] = {
142 #define SINKLIST "equalized_sinklist"
143 #define EQDB "equalizer_db"
144 #define EQ_STATE_DB "equalizer-state"
145 #define FILTER_SIZE (u->fft_size / 2 + 1)
146 #define CHANNEL_PROFILE_SIZE (FILTER_SIZE + 1)
147 #define FILTER_STATE_SIZE (CHANNEL_PROFILE_SIZE * u->channels)
148 static void dbus_init(struct userdata
*u
);
149 static void dbus_done(struct userdata
*u
);
151 static void hanning_window(float *W
, size_t window_size
){
152 //h=.5*(1-cos(2*pi*j/(window_size+1)), COLA for R=(M+1)/2
153 for(size_t i
=0; i
< window_size
;++i
){
154 W
[i
] = (float).5*(1-cos(2*M_PI
*i
/(window_size
+1)));
158 static void fix_filter(float *H
, size_t fft_size
){
159 //divide out the fft gain
160 for(size_t i
= 0; i
< fft_size
/ 2 + 1; ++i
){
165 static void interpolate(float *signal
, size_t length
, uint32_t *xs
, float *ys
, size_t n_points
){
166 //Note that xs must be monotonically increasing!
167 float x_range_lower
, x_range_upper
, c0
;
168 pa_assert_se(n_points
>=2);
169 pa_assert_se(xs
[0] == 0);
170 pa_assert_se(xs
[n_points
- 1] == length
- 1);
171 for(size_t x
= 0, x_range_lower_i
= 0; x
< length
-1; ++x
){
172 pa_assert(x_range_lower_i
< n_points
-1);
173 x_range_lower
= (float) (xs
[x_range_lower_i
]);
174 x_range_upper
= (float) (xs
[x_range_lower_i
+1]);
175 pa_assert_se(x_range_lower
< x_range_upper
);
176 pa_assert_se(x
>= x_range_lower
);
177 pa_assert_se(x
<= x_range_upper
);
178 //bilinear-interpolation of coefficients specified
179 c0
= (x
-x_range_lower
)/(x_range_upper
-x_range_lower
);
180 pa_assert_se(c0
>= 0&&c0
<= 1.0);
181 signal
[x
] = ((1.0f
- c0
) * ys
[x_range_lower_i
] + c0
* ys
[x_range_lower_i
+ 1]);
182 while(x
>= xs
[x_range_lower_i
+ 1]){
186 signal
[length
-1]=ys
[n_points
-1];
189 static int is_monotonic(const uint32_t *xs
,size_t length
){
193 for(size_t i
= 1; i
< length
; ++i
){
201 //ensure's memory allocated is a multiple of v_size
203 static void * alloc(size_t x
,size_t s
){
204 size_t f
= PA_ROUND_UP(x
*s
, sizeof(float)*v_size
);
212 static void alloc_input_buffers(struct userdata
*u
, size_t min_buffer_length
){
213 if(min_buffer_length
<= u
->input_buffer_max
){
216 pa_assert(min_buffer_length
>= u
->window_size
);
217 for(size_t c
= 0; c
< u
->channels
; ++c
){
218 float *tmp
= alloc(min_buffer_length
, sizeof(float));
220 if(!u
->first_iteration
){
221 memcpy(tmp
, u
->input
[c
], u
->overlap_size
* sizeof(float));
227 u
->input_buffer_max
= min_buffer_length
;
230 /* Called from I/O thread context */
231 static int sink_process_msg_cb(pa_msgobject
*o
, int code
, void *data
, int64_t offset
, pa_memchunk
*chunk
) {
232 struct userdata
*u
= PA_SINK(o
)->userdata
;
236 case PA_SINK_MESSAGE_GET_LATENCY
: {
237 //size_t fs=pa_frame_size(&u->sink->sample_spec);
239 /* The sink is _put() before the sink input is, so let's
240 * make sure we don't access it in that time. Also, the
241 * sink input is first shut down, the sink second. */
242 if (!PA_SINK_IS_LINKED(u
->sink
->thread_info
.state
) ||
243 !PA_SINK_INPUT_IS_LINKED(u
->sink_input
->thread_info
.state
)) {
244 *((pa_usec_t
*) data
) = 0;
248 *((pa_usec_t
*) data
) =
249 /* Get the latency of the master sink */
250 pa_sink_get_latency_within_thread(u
->sink_input
->sink
) +
252 /* Add the latency internal to our sink input on top */
253 pa_bytes_to_usec(pa_memblockq_get_length(u
->sink_input
->thread_info
.render_memblockq
), &u
->sink_input
->sink
->sample_spec
);
254 // pa_bytes_to_usec(u->samples_gathered * fs, &u->sink->sample_spec);
255 //+ pa_bytes_to_usec(u->latency * fs, ss)
256 //+ pa_bytes_to_usec(pa_memblockq_get_length(u->input_q), ss);
261 return pa_sink_process_msg(o
, code
, data
, offset
, chunk
);
265 /* Called from main context */
266 static int sink_set_state_cb(pa_sink
*s
, pa_sink_state_t state
) {
269 pa_sink_assert_ref(s
);
270 pa_assert_se(u
= s
->userdata
);
272 if (!PA_SINK_IS_LINKED(state
) ||
273 !PA_SINK_INPUT_IS_LINKED(pa_sink_input_get_state(u
->sink_input
)))
276 pa_sink_input_cork(u
->sink_input
, state
== PA_SINK_SUSPENDED
);
280 /* Called from I/O thread context */
281 static void sink_request_rewind_cb(pa_sink
*s
) {
284 pa_sink_assert_ref(s
);
285 pa_assert_se(u
= s
->userdata
);
287 if (!PA_SINK_IS_LINKED(u
->sink
->thread_info
.state
) ||
288 !PA_SINK_INPUT_IS_LINKED(u
->sink_input
->thread_info
.state
))
291 /* Just hand this one over to the master sink */
292 pa_sink_input_request_rewind(u
->sink_input
, s
->thread_info
.rewind_nbytes
+pa_memblockq_get_length(u
->input_q
), TRUE
, FALSE
, FALSE
);
295 /* Called from I/O thread context */
296 static void sink_update_requested_latency_cb(pa_sink
*s
) {
299 pa_sink_assert_ref(s
);
300 pa_assert_se(u
= s
->userdata
);
302 if (!PA_SINK_IS_LINKED(u
->sink
->thread_info
.state
) ||
303 !PA_SINK_INPUT_IS_LINKED(u
->sink_input
->thread_info
.state
))
306 /* Just hand this one over to the master sink */
307 pa_sink_input_set_requested_latency_within_thread(
309 pa_sink_get_requested_latency_within_thread(s
));
312 /* Called from main context */
313 static void sink_set_volume_cb(pa_sink
*s
) {
316 pa_sink_assert_ref(s
);
317 pa_assert_se(u
= s
->userdata
);
319 if (!PA_SINK_IS_LINKED(pa_sink_get_state(s
)) ||
320 !PA_SINK_INPUT_IS_LINKED(pa_sink_input_get_state(u
->sink_input
)))
323 pa_sink_input_set_volume(u
->sink_input
, &s
->real_volume
, s
->save_volume
, TRUE
);
326 /* Called from main context */
327 static void sink_set_mute_cb(pa_sink
*s
) {
330 pa_sink_assert_ref(s
);
331 pa_assert_se(u
= s
->userdata
);
333 if (!PA_SINK_IS_LINKED(pa_sink_get_state(s
)) ||
334 !PA_SINK_INPUT_IS_LINKED(pa_sink_input_get_state(u
->sink_input
)))
337 pa_sink_input_set_mute(u
->sink_input
, s
->muted
, s
->save_muted
);
341 //reference implementation
342 static void dsp_logic(
343 float * restrict dst
,//used as a temp array too, needs to be fft_length!
344 float * restrict src
,/*input data w/ overlap at start,
345 *automatically cycled in routine
347 float * restrict overlap
,
348 const float X
,//multipliar
349 const float * restrict H
,//The freq. magnitude scalers filter
350 const float * restrict W
,//The windowing function
351 fftwf_complex
* restrict output_window
,//The transformed window'd src
353 //use a linear-phase sliding STFT and overlap-add method (for each channel)
355 memset(dst
+ u
->window_size
, 0, (u
->fft_size
- u
->window_size
) * sizeof(float));
357 for(size_t j
= 0; j
< u
->window_size
; ++j
){
358 dst
[j
] = X
* W
[j
] * src
[j
];
360 //Processing is done here!
362 fftwf_execute_dft_r2c(u
->forward_plan
, dst
, output_window
);
364 for(size_t j
= 0; j
< FILTER_SIZE
; ++j
){
365 u
->output_window
[j
][0] *= H
[j
];
366 u
->output_window
[j
][1] *= H
[j
];
369 fftwf_execute_dft_c2r(u
->inverse_plan
, output_window
, dst
);
370 ////debug: tests overlaping add
371 ////and negates ALL PREVIOUS processing
372 ////yields a perfect reconstruction if COLA is held
373 //for(size_t j = 0; j < u->window_size; ++j){
374 // u->work_buffer[j] = u->W[j] * u->input[c][j];
377 //overlap add and preserve overlap component from this window (linear phase)
378 for(size_t j
= 0; j
< u
->overlap_size
; ++j
){
379 u
->work_buffer
[j
] += overlap
[j
];
380 overlap
[j
] = dst
[u
->R
+ j
];
382 ////debug: tests if basic buffering works
383 ////shouldn't modify the signal AT ALL (beyond roundoff)
384 //for(size_t j = 0; j < u->window_size;++j){
385 // u->work_buffer[j] = u->input[c][j];
388 //preseve the needed input for the next window's overlap
389 memmove(src
, src
+ u
->R
,
390 (u
->samples_gathered
- u
->R
) * sizeof(float)
394 typedef float v4sf
__attribute__ ((__aligned__(v_size
* sizeof(float))));
395 typedef union float_vector
{
403 ////regardless of sse enabled, the loops in here assume
404 ////16 byte aligned addresses and memory allocations divisible by v_size
406 // float * restrict dst,//used as a temp array too, needs to be fft_length!
407 // float * restrict src,/*input data w/ overlap at start,
408 // *automatically cycled in routine
410 // float * restrict overlap,//The size of the overlap
411 // const float X,//multipliar
412 // const float * restrict H,//The freq. magnitude scalers filter
413 // const float * restrict W,//The windowing function
414 // fftwf_complex * restrict output_window,//The transformed window'd src
415 // struct userdata *u){//Collection of constants
416 //float_vector_t x = {X, X, X, X};
417 // const size_t window_size = PA_ROUND_UP(u->window_size,v_size);
418 // const size_t fft_h = PA_ROUND_UP(FILTER_SIZE, v_size / 2);
419 // //const size_t R = PA_ROUND_UP(u->R, v_size);
420 // const size_t overlap_size = PA_ROUND_UP(u->overlap_size, v_size);
421 // overlap_size = PA_ROUND_UP(u->overlap_size, v_size);
423 // //assert(u->samples_gathered >= u->R);
424 // //zero out the bit beyond the real overlap so we don't add garbage
425 // for(size_t j = overlap_size; j > u->overlap_size; --j){
428 // //use a linear-phase sliding STFT and overlap-add method
429 // //zero padd the data
430 // memset(dst + u->window_size, 0, (u->fft_size - u->window_size)*sizeof(float));
432 // for(size_t j = 0; j < window_size; j += v_size){
433 // //dst[j] = W[j]*src[j];
434 // float_vector_t *d = (float_vector_t*) (dst+j);
435 // float_vector_t *w = (float_vector_t*) (W+j);
436 // float_vector_t *s = (float_vector_t*) (src+j);
438 // d->m = _mm_mul_ps(x->m, _mm_mul_ps(w->m, s->m));
440 // d->v = x->v * w->v * s->v;
443 // //Processing is done here!
445 // fftwf_execute_dft_r2c(u->forward_plan, dst, output_window);
448 // //perform filtering - purely magnitude based
449 // for(size_t j = 0;j < fft_h; j+=v_size/2){
450 // //output_window[j][0]*=H[j];
451 // //output_window[j][1]*=H[j];
452 // float_vector_t *d = (float_vector_t*)(output_window+j);
454 // h.f[0] = h.f[1] = H[j];
455 // h.f[2] = h.f[3] = H[j+1];
457 // d->m = _mm_mul_ps(d->m, h.m);
463 // fftwf_execute_dft_c2r(u->inverse_plan, output_window, dst);
465 // ////debug: tests overlaping add
466 // ////and negates ALL PREVIOUS processing
467 // ////yields a perfect reconstruction if COLA is held
468 // //for(size_t j = 0; j < u->window_size; ++j){
469 // // dst[j] = W[j]*src[j];
472 // //overlap add and preserve overlap component from this window (linear phase)
473 // for(size_t j = 0; j < overlap_size; j+=v_size){
474 // //dst[j]+=overlap[j];
475 // //overlap[j]+=dst[j+R];
476 // float_vector_t *d = (float_vector_t*)(dst+j);
477 // float_vector_t *o = (float_vector_t*)(overlap+j);
479 // d->m = _mm_add_ps(d->m, o->m);
480 // o->m = ((float_vector_t*)(dst+u->R+j))->m;
483 // o->v = ((float_vector_t*)(dst+u->R+j))->v;
486 // //memcpy(overlap, dst+u->R, u->overlap_size*sizeof(float));
488 // //////debug: tests if basic buffering works
489 // //////shouldn't modify the signal AT ALL (beyond roundoff)
490 // //for(size_t j = 0; j < u->window_size; ++j){
491 // // dst[j] = src[j];
494 // //preseve the needed input for the next window's overlap
495 // memmove(src, src + u->R,
496 // u->overlap_size * sizeof(float)
500 static void process_samples(struct userdata
*u
, pa_memchunk
*tchunk
){
501 size_t fs
= pa_frame_size(&(u
->sink
->sample_spec
));
505 size_t iterations
, offset
;
506 pa_assert(u
->samples_gathered
>= u
->window_size
);
507 iterations
= (u
->samples_gathered
- u
->overlap_size
) / u
->R
;
509 tchunk
->length
= iterations
* u
->R
* fs
;
510 tchunk
->memblock
= pa_memblock_new(u
->sink
->core
->mempool
, tchunk
->length
);
511 dst
= ((float*) pa_memblock_acquire(tchunk
->memblock
));
512 for(size_t iter
= 0; iter
< iterations
; ++iter
){
513 offset
= iter
* u
->R
* fs
;
514 for(size_t c
= 0;c
< u
->channels
; c
++) {
515 a_i
= pa_aupdate_read_begin(u
->a_H
[c
]);
528 pa_aupdate_read_end(u
->a_H
[c
]);
529 if(u
->first_iteration
){
530 /* The windowing function will make the audio ramped in, as a cheap fix we can
531 * undo the windowing (for non-zero window values)
533 for(size_t i
= 0; i
< u
->overlap_size
; ++i
){
534 u
->work_buffer
[i
] = u
->W
[i
] <= FLT_EPSILON
? u
->work_buffer
[i
] : u
->work_buffer
[i
] / u
->W
[i
];
537 pa_sample_clamp(PA_SAMPLE_FLOAT32NE
, (uint8_t *) (dst
+ c
) + offset
, fs
, u
->work_buffer
, sizeof(float), u
->R
);
539 if(u
->first_iteration
){
540 u
->first_iteration
= FALSE
;
542 u
->samples_gathered
-= u
->R
;
544 pa_memblock_release(tchunk
->memblock
);
547 static void input_buffer(struct userdata
*u
, pa_memchunk
*in
){
548 size_t fs
= pa_frame_size(&(u
->sink
->sample_spec
));
549 size_t samples
= in
->length
/fs
;
550 float *src
= (float*) ((uint8_t*) pa_memblock_acquire(in
->memblock
) + in
->index
);
551 pa_assert(u
->samples_gathered
+ samples
<= u
->input_buffer_max
);
552 for(size_t c
= 0; c
< u
->channels
; c
++) {
553 //buffer with an offset after the overlap from previous
556 u
->input
[c
] + u
->samples_gathered
+ samples
<= u
->input
[c
] + u
->input_buffer_max
558 pa_sample_clamp(PA_SAMPLE_FLOAT32NE
, u
->input
[c
] + u
->samples_gathered
, sizeof(float), src
+ c
, fs
, samples
);
560 u
->samples_gathered
+= samples
;
561 pa_memblock_release(in
->memblock
);
564 /* Called from I/O thread context */
565 static int sink_input_pop_cb(pa_sink_input
*i
, size_t nbytes
, pa_memchunk
*chunk
) {
567 size_t fs
, target_samples
;
568 struct timeval start
, end
;
570 pa_sink_input_assert_ref(i
);
571 pa_assert_se(u
= i
->userdata
);
574 fs
= pa_frame_size(&(u
->sink
->sample_spec
));
575 target_samples
= PA_ROUND_UP(nbytes
/ fs
, u
->R
);
576 if(u
->first_iteration
){
577 //allocate request_size
578 target_samples
= PA_MAX(target_samples
, u
->window_size
);
580 //allocate request_size + overlap
581 target_samples
+= u
->overlap_size
;
582 alloc_input_buffers(u
, target_samples
);
584 alloc_input_buffers(u
, target_samples
);
585 chunk
->memblock
= NULL
;
587 /* Hmm, process any rewind request that might be queued up */
588 pa_sink_process_rewind(u
->sink
, 0);
590 //pa_log_debug("start output-buffered %ld, input-buffered %ld, requested %ld",buffered_samples,u->samples_gathered,samples_requested);
591 pa_rtclock_get(&start
);
593 size_t input_remaining
= target_samples
- u
->samples_gathered
;
594 pa_assert(input_remaining
> 0);
595 while(pa_memblockq_peek(u
->input_q
, &tchunk
) < 0){
596 //pa_sink_render(u->sink, input_remaining * fs, &tchunk);
597 pa_sink_render_full(u
->sink
, input_remaining
* fs
, &tchunk
);
598 pa_assert(tchunk
.memblock
);
599 pa_memblockq_push(u
->input_q
, &tchunk
);
600 pa_memblock_unref(tchunk
.memblock
);
602 pa_assert(tchunk
.memblock
);
603 tchunk
.length
= PA_MIN(input_remaining
* fs
, tchunk
.length
);
604 pa_memblockq_drop(u
->input_q
, tchunk
.length
);
605 //pa_log_debug("asked for %ld input samples, got %ld samples",input_remaining,buffer->length/fs);
607 //pa_rtclock_get(start);
608 input_buffer(u
, &tchunk
);
609 //pa_rtclock_get(&end);
610 //pa_log_debug("Took %0.5f seconds to setup", pa_timeval_diff(end, start) / (double) PA_USEC_PER_SEC);
611 pa_memblock_unref(tchunk
.memblock
);
612 }while(u
->samples_gathered
< target_samples
);
614 pa_rtclock_get(&end
);
615 pa_log_debug("Took %0.6f seconds to get data", (double) pa_timeval_diff(&end
, &start
) / PA_USEC_PER_SEC
);
617 pa_assert(u
->fft_size
>= u
->window_size
);
618 pa_assert(u
->R
< u
->window_size
);
619 /* set the H filter */
620 pa_rtclock_get(&start
);
621 /* process a block */
622 process_samples(u
, chunk
);
623 pa_rtclock_get(&end
);
624 pa_log_debug("Took %0.6f seconds to process", (double) pa_timeval_diff(&end
, &start
) / PA_USEC_PER_SEC
);
626 pa_assert(chunk
->memblock
);
627 //pa_log_debug("gave %ld", chunk->length/fs);
628 //pa_log_debug("end pop");
632 /* Called from main context */
633 static void sink_input_volume_changed_cb(pa_sink_input
*i
) {
636 pa_sink_input_assert_ref(i
);
637 pa_assert_se(u
= i
->userdata
);
639 pa_sink_volume_changed(u
->sink
, &i
->volume
);
642 /* Called from main context */
643 static void sink_input_mute_changed_cb(pa_sink_input
*i
) {
646 pa_sink_input_assert_ref(i
);
647 pa_assert_se(u
= i
->userdata
);
649 pa_sink_mute_changed(u
->sink
, i
->muted
);
652 static void reset_filter(struct userdata
*u
){
653 size_t fs
= pa_frame_size(&u
->sink
->sample_spec
);
655 u
->samples_gathered
= 0;
656 for(size_t i
= 0; i
< u
->channels
; ++i
){
657 memset(u
->overlap_accum
[i
], 0, u
->overlap_size
* sizeof(float));
659 u
->first_iteration
= TRUE
;
660 //set buffer size to max request, no overlap copy
661 max_request
= PA_ROUND_UP(pa_sink_input_get_max_request(u
->sink_input
) / fs
, u
->R
);
662 max_request
= PA_MAX(max_request
, u
->window_size
);
663 pa_sink_set_max_request_within_thread(u
->sink
, max_request
* fs
);
666 /* Called from I/O thread context */
667 static void sink_input_process_rewind_cb(pa_sink_input
*i
, size_t nbytes
) {
671 pa_log_debug("Rewind callback!");
672 pa_sink_input_assert_ref(i
);
673 pa_assert_se(u
= i
->userdata
);
675 if (u
->sink
->thread_info
.rewind_nbytes
> 0) {
678 //max_rewrite = nbytes;
679 max_rewrite
= nbytes
+ pa_memblockq_get_length(u
->input_q
);
680 //PA_MIN(pa_memblockq_get_length(u->input_q), nbytes);
681 amount
= PA_MIN(u
->sink
->thread_info
.rewind_nbytes
, max_rewrite
);
682 u
->sink
->thread_info
.rewind_nbytes
= 0;
685 //invalidate the output q
686 pa_memblockq_seek(u
->input_q
, - (int64_t) amount
, PA_SEEK_RELATIVE
, TRUE
);
687 pa_log("Resetting filter");
692 pa_sink_process_rewind(u
->sink
, amount
);
693 pa_memblockq_rewind(u
->input_q
, nbytes
);
696 /* Called from I/O thread context */
697 static void sink_input_update_max_rewind_cb(pa_sink_input
*i
, size_t nbytes
) {
700 pa_sink_input_assert_ref(i
);
701 pa_assert_se(u
= i
->userdata
);
703 pa_memblockq_set_maxrewind(u
->input_q
, nbytes
);
704 pa_sink_set_max_rewind_within_thread(u
->sink
, nbytes
);
707 /* Called from I/O thread context */
708 static void sink_input_update_max_request_cb(pa_sink_input
*i
, size_t nbytes
) {
711 pa_sink_input_assert_ref(i
);
712 pa_assert_se(u
= i
->userdata
);
713 //if(u->first_iteration){
716 fs
= pa_frame_size(&(u
->sink
->sample_spec
));
717 pa_sink_set_max_request_within_thread(u
->sink
, PA_ROUND_UP(nbytes
/ fs
, u
->R
) * fs
);
720 /* Called from I/O thread context */
721 static void sink_input_update_sink_latency_range_cb(pa_sink_input
*i
) {
724 pa_sink_input_assert_ref(i
);
725 pa_assert_se(u
= i
->userdata
);
727 pa_sink_set_latency_range_within_thread(u
->sink
, i
->sink
->thread_info
.min_latency
, i
->sink
->thread_info
.max_latency
);
730 /* Called from I/O thread context */
731 static void sink_input_update_sink_fixed_latency_cb(pa_sink_input
*i
) {
734 pa_sink_input_assert_ref(i
);
735 pa_assert_se(u
= i
->userdata
);
737 pa_sink_set_fixed_latency_within_thread(u
->sink
, i
->sink
->thread_info
.fixed_latency
);
740 /* Called from I/O thread context */
741 static void sink_input_detach_cb(pa_sink_input
*i
) {
744 pa_sink_input_assert_ref(i
);
745 pa_assert_se(u
= i
->userdata
);
747 pa_sink_detach_within_thread(u
->sink
);
749 pa_sink_set_rtpoll(u
->sink
, NULL
);
752 /* Called from I/O thread context */
753 static void sink_input_attach_cb(pa_sink_input
*i
) {
755 size_t fs
, max_request
;
756 pa_sink_input_assert_ref(i
);
757 pa_assert_se(u
= i
->userdata
);
759 pa_sink_set_rtpoll(u
->sink
, i
->sink
->thread_info
.rtpoll
);
760 pa_sink_set_latency_range_within_thread(u
->sink
, i
->sink
->thread_info
.min_latency
, i
->sink
->thread_info
.max_latency
);
762 pa_sink_set_fixed_latency_within_thread(u
->sink
, i
->sink
->thread_info
.fixed_latency
);
763 fs
= pa_frame_size(&u
->sink
->sample_spec
);
764 //set buffer size to max request, no overlap copy
765 max_request
= PA_ROUND_UP(pa_sink_input_get_max_request(u
->sink_input
) / fs
, u
->R
);
766 max_request
= PA_MAX(max_request
, u
->window_size
);
767 pa_sink_set_max_request_within_thread(u
->sink
, max_request
* fs
);
768 pa_sink_set_max_rewind_within_thread(u
->sink
, pa_sink_input_get_max_rewind(i
));
769 pa_sink_attach_within_thread(u
->sink
);
771 pa_log_debug("Setting default sink to %s", u
->sink
->name
);
772 pa_namereg_set_default_sink(u
->module
->core
, u
->sink
);
776 /* Called from main context */
777 static void sink_input_kill_cb(pa_sink_input
*i
) {
780 pa_sink_input_assert_ref(i
);
781 pa_assert_se(u
= i
->userdata
);
783 /* The order here matters! We first kill the sink input, followed
784 * by the sink. That means the sink callbacks must be protected
785 * against an unconnected sink input! */
786 pa_sink_input_unlink(u
->sink_input
);
787 pa_sink_unlink(u
->sink
);
789 pa_sink_input_unref(u
->sink_input
);
790 u
->sink_input
= NULL
;
792 pa_sink_unref(u
->sink
);
795 pa_module_unload_request(u
->module
, TRUE
);
798 /* Called from IO thread context */
799 static void sink_input_state_change_cb(pa_sink_input
*i
, pa_sink_input_state_t state
) {
802 pa_sink_input_assert_ref(i
);
803 pa_assert_se(u
= i
->userdata
);
805 /* If we are added for the first time, ask for a rewinding so that
806 * we are heard right-away. */
807 if (PA_SINK_INPUT_IS_LINKED(state
) &&
808 i
->thread_info
.state
== PA_SINK_INPUT_INIT
) {
809 pa_log_debug("Requesting rewind due to state change.");
810 pa_sink_input_request_rewind(i
, 0, FALSE
, TRUE
, TRUE
);
814 static void pack(char **strs
, size_t len
, char **packed
, size_t *length
){
816 size_t headers
= (1+len
) * sizeof(uint16_t);
817 size_t offset
= sizeof(uint16_t);
818 for(size_t i
= 0; i
< len
; ++i
){
819 t_len
+= strlen(strs
[i
]);
821 *length
= headers
+ t_len
;
822 *packed
= pa_xmalloc0(*length
);
823 ((uint16_t *) *packed
)[0] = (uint16_t) len
;
824 for(size_t i
= 0; i
< len
; ++i
){
825 uint16_t l
= strlen(strs
[i
]);
826 *((uint16_t *)(*packed
+ offset
)) = l
;
827 offset
+= sizeof(uint16_t);
828 memcpy(*packed
+ offset
, strs
[i
], l
);
832 static void unpack(char *str
, size_t length
, char ***strs
, size_t *len
){
833 size_t offset
= sizeof(uint16_t);
834 *len
= ((uint16_t *)str
)[0];
835 *strs
= pa_xnew(char *, *len
);
836 for(size_t i
= 0; i
< *len
; ++i
){
837 size_t l
= *((uint16_t *)(str
+offset
));
838 size_t e
= PA_MIN(offset
+ l
, length
) - offset
;
839 offset
= PA_MIN(offset
+ sizeof(uint16_t), length
);
841 (*strs
)[i
] = pa_xnew(char, e
+ 1);
842 memcpy((*strs
)[i
], strs
+ offset
, e
);
843 (*strs
)[i
][e
] = '\0';
849 static void save_profile(struct userdata
*u
, size_t channel
, char *name
){
851 const size_t profile_size
= CHANNEL_PROFILE_SIZE
* sizeof(float);
852 float *H_n
, *profile
;
855 profile
= pa_xnew0(float, profile_size
);
856 a_i
= pa_aupdate_read_begin(u
->a_H
[channel
]);
857 profile
[0] = u
->Xs
[a_i
][channel
];
858 H
= u
->Hs
[channel
][a_i
];
860 for(size_t i
= 0 ; i
<= FILTER_SIZE
; ++i
){
861 H_n
[i
] = H
[i
] * u
->fft_size
;
864 pa_aupdate_read_end(u
->a_H
[channel
]);
866 key
.size
= strlen(key
.data
);
868 data
.size
= profile_size
;
869 pa_database_set(u
->database
, &key
, &data
, TRUE
);
870 pa_database_sync(u
->database
);
871 if(u
->base_profiles
[channel
]){
872 pa_xfree(u
->base_profiles
[channel
]);
874 u
->base_profiles
[channel
] = pa_xstrdup(name
);
877 static void save_state(struct userdata
*u
){
879 const size_t filter_state_size
= FILTER_STATE_SIZE
* sizeof(float);
883 pa_database
*database
;
885 char *state_name
= u
->name
;
887 size_t packed_length
;
889 pack(u
->base_profiles
, u
->channels
, &packed
, &packed_length
);
890 state
= (float *) pa_xmalloc0(filter_state_size
+ packed_length
);
892 for(size_t c
= 0; c
< u
->channels
; ++c
){
893 a_i
= pa_aupdate_read_begin(u
->a_H
[c
]);
894 state
[c
* CHANNEL_PROFILE_SIZE
] = u
->Xs
[a_i
][c
];
896 H_n
= state
+ c
* CHANNEL_PROFILE_SIZE
+ 1;
897 memcpy(H_n
, H
, FILTER_SIZE
* sizeof(float));
898 pa_aupdate_read_end(u
->a_H
[c
]);
900 memcpy(((char *)state
) + filter_state_size
, packed
, packed_length
);
903 key
.data
= state_name
;
904 key
.size
= strlen(key
.data
);
906 data
.size
= filter_state_size
+ packed_length
;
907 //thread safety for 0.9.17?
908 pa_assert_se(dbname
= pa_state_path(EQ_STATE_DB
, TRUE
));
909 pa_assert_se(database
= pa_database_open(dbname
, TRUE
));
912 pa_database_set(database
, &key
, &data
, TRUE
);
913 pa_database_sync(database
);
914 pa_database_close(database
);
918 static void remove_profile(pa_core
*c
, char *name
){
920 pa_database
*database
;
922 key
.size
= strlen(key
.data
);
923 pa_assert_se(database
= pa_shared_get(c
, EQDB
));
924 pa_database_unset(database
, &key
);
925 pa_database_sync(database
);
928 static const char* load_profile(struct userdata
*u
, size_t channel
, char *name
){
931 const size_t profile_size
= CHANNEL_PROFILE_SIZE
* sizeof(float);
933 key
.size
= strlen(key
.data
);
934 if(pa_database_get(u
->database
, &key
, &value
) != NULL
){
935 if(value
.size
== profile_size
){
936 float *profile
= (float *) value
.data
;
937 a_i
= pa_aupdate_write_begin(u
->a_H
[channel
]);
938 u
->Xs
[channel
][a_i
] = profile
[0];
939 memcpy(u
->Hs
[channel
][a_i
], profile
+ 1, CHANNEL_PROFILE_SIZE
* sizeof(float));
940 fix_filter(u
->Hs
[channel
][a_i
], u
->fft_size
);
941 pa_aupdate_write_end(u
->a_H
[channel
]);
942 if(u
->base_profiles
[channel
]){
943 pa_xfree(u
->base_profiles
[channel
]);
945 u
->base_profiles
[channel
] = pa_xstrdup(name
);
947 return "incompatible size";
949 pa_datum_free(&value
);
951 return "profile doesn't exist";
956 static void load_state(struct userdata
*u
){
960 pa_database
*database
;
962 char *state_name
= u
->name
;
963 pa_assert_se(dbname
= pa_state_path(EQ_STATE_DB
, FALSE
));
964 database
= pa_database_open(dbname
, FALSE
);
970 key
.data
= state_name
;
971 key
.size
= strlen(key
.data
);
973 if(pa_database_get(database
, &key
, &value
) != NULL
){
974 if(value
.size
> FILTER_STATE_SIZE
* sizeof(float) + sizeof(uint16_t)){
975 float *state
= (float *) value
.data
;
978 for(size_t c
= 0; c
< u
->channels
; ++c
){
979 a_i
= pa_aupdate_write_begin(u
->a_H
[c
]);
980 H
= state
+ c
* CHANNEL_PROFILE_SIZE
+ 1;
981 u
->Xs
[c
][a_i
] = state
[c
* CHANNEL_PROFILE_SIZE
];
982 memcpy(u
->Hs
[c
][a_i
], H
, FILTER_SIZE
* sizeof(float));
983 pa_aupdate_write_end(u
->a_H
[c
]);
985 unpack(((char *)value
.data
) + FILTER_STATE_SIZE
, value
.size
- FILTER_STATE_SIZE
, &names
, &n_profs
);
986 n_profs
= PA_MIN(n_profs
, u
->channels
);
987 for(size_t c
= 0; c
< n_profs
; ++c
){
988 if(u
->base_profiles
[c
]){
989 pa_xfree(u
->base_profiles
[c
]);
991 u
->base_profiles
[c
] = names
[c
];
995 pa_datum_free(&value
);
997 pa_database_close(database
);
1000 /* Called from main context */
1001 static pa_bool_t
sink_input_may_move_to_cb(pa_sink_input
*i
, pa_sink
*dest
) {
1004 pa_sink_input_assert_ref(i
);
1005 pa_assert_se(u
= i
->userdata
);
1007 return u
->sink
!= dest
;
1010 /* Called from main context */
1011 static void sink_input_moving_cb(pa_sink_input
*i
, pa_sink
*dest
) {
1014 pa_sink_input_assert_ref(i
);
1015 pa_assert_se(u
= i
->userdata
);
1017 pa_sink_set_asyncmsgq(u
->sink
, dest
->asyncmsgq
);
1018 pa_sink_update_flags(u
->sink
, PA_SINK_LATENCY
|PA_SINK_DYNAMIC_LATENCY
, dest
->flags
);
1020 pa_sink_set_asyncmsgq(u
->sink
, NULL
);
1023 int pa__init(pa_module
*m
) {
1030 pa_sink_input_new_data sink_input_data
;
1031 pa_sink_new_data sink_data
;
1038 if (!(ma
= pa_modargs_new(m
->argument
, valid_modargs
))) {
1039 pa_log("Failed to parse module arguments.");
1043 if (!(master
= pa_namereg_get(m
->core
, pa_modargs_get_value(ma
, "master", NULL
), PA_NAMEREG_SINK
))) {
1044 pa_log("Master sink not found, trying default");
1045 master
= pa_namereg_get_default_sink(m
->core
);
1047 pa_log("no default sink found!");
1052 ss
= master
->sample_spec
;
1053 ss
.format
= PA_SAMPLE_FLOAT32
;
1054 map
= master
->channel_map
;
1055 if (pa_modargs_get_sample_spec_and_channel_map(ma
, &ss
, &map
, PA_CHANNEL_MAP_DEFAULT
) < 0) {
1056 pa_log("Invalid sample format specification or channel map");
1059 fs
= pa_frame_size(&ss
);
1061 u
= pa_xnew0(struct userdata
, 1);
1065 u
->set_default
= TRUE
;
1066 pa_modargs_get_value_boolean(ma
, "set_default", &u
->set_default
);
1068 u
->channels
= ss
.channels
;
1069 u
->fft_size
= pow(2, ceil(log(ss
.rate
)/log(2)));
1070 pa_log_debug("fft size: %ld", u
->fft_size
);
1071 u
->window_size
= 15999;
1072 u
->R
= (u
->window_size
+ 1) / 2;
1073 u
->overlap_size
= u
->window_size
- u
->R
;
1074 u
->samples_gathered
= 0;
1075 u
->input_buffer_max
= 0;
1076 u
->a_H
= pa_xnew0(pa_aupdate
*, u
->channels
);
1077 u
->Xs
= pa_xnew0(float *, u
->channels
);
1078 u
->Hs
= pa_xnew0(float **, u
->channels
);
1079 for(size_t c
= 0; c
< u
->channels
; ++c
){
1080 u
->Xs
[c
] = pa_xnew0(float, 2);
1081 u
->Hs
[c
] = pa_xnew0(float *, 2);
1082 for(size_t i
= 0; i
< 2; ++i
){
1083 u
->Hs
[c
][i
] = alloc(FILTER_SIZE
, sizeof(float));
1086 u
->W
= alloc(u
->window_size
, sizeof(float));
1087 u
->work_buffer
= alloc(u
->fft_size
, sizeof(float));
1088 memset(u
->work_buffer
, 0, u
->fft_size
*sizeof(float));
1089 u
->input
= pa_xnew0(float *, u
->channels
);
1090 u
->overlap_accum
= pa_xnew0(float *, u
->channels
);
1091 for(size_t c
= 0; c
< u
->channels
; ++c
){
1092 u
->a_H
[c
] = pa_aupdate_new();
1094 u
->overlap_accum
[c
] = alloc(u
->overlap_size
, sizeof(float));
1095 memset(u
->overlap_accum
[c
], 0, u
->overlap_size
*sizeof(float));
1097 u
->output_window
= alloc((FILTER_SIZE
), sizeof(fftwf_complex
));
1098 u
->forward_plan
= fftwf_plan_dft_r2c_1d(u
->fft_size
, u
->work_buffer
, u
->output_window
, FFTW_ESTIMATE
);
1099 u
->inverse_plan
= fftwf_plan_dft_c2r_1d(u
->fft_size
, u
->output_window
, u
->work_buffer
, FFTW_ESTIMATE
);
1101 hanning_window(u
->W
, u
->window_size
);
1102 u
->first_iteration
= TRUE
;
1104 u
->base_profiles
= pa_xnew0(char *, u
->channels
);
1107 pa_sink_new_data_init(&sink_data
);
1108 sink_data
.driver
= __FILE__
;
1109 sink_data
.module
= m
;
1110 if (!(sink_data
.name
= pa_xstrdup(pa_modargs_get_value(ma
, "sink_name", NULL
))))
1111 sink_data
.name
= pa_sprintf_malloc("%s.equalizer", master
->name
);
1112 pa_sink_new_data_set_sample_spec(&sink_data
, &ss
);
1113 pa_sink_new_data_set_channel_map(&sink_data
, &map
);
1114 z
= pa_proplist_gets(master
->proplist
, PA_PROP_DEVICE_DESCRIPTION
);
1115 pa_proplist_setf(sink_data
.proplist
, PA_PROP_DEVICE_DESCRIPTION
, "FFT based equalizer on %s",z
? z
: master
->name
);
1116 pa_proplist_sets(sink_data
.proplist
, PA_PROP_DEVICE_MASTER_DEVICE
, master
->name
);
1117 pa_proplist_sets(sink_data
.proplist
, PA_PROP_DEVICE_CLASS
, "filter");
1119 if (pa_modargs_get_proplist(ma
, "sink_properties", sink_data
.proplist
, PA_UPDATE_REPLACE
) < 0) {
1120 pa_log("Invalid properties");
1121 pa_sink_new_data_done(&sink_data
);
1125 u
->sink
= pa_sink_new(m
->core
, &sink_data
,
1126 PA_SINK_HW_MUTE_CTRL
|PA_SINK_HW_VOLUME_CTRL
|PA_SINK_DECIBEL_VOLUME
|
1127 (master
->flags
& (PA_SINK_LATENCY
|PA_SINK_DYNAMIC_LATENCY
)));
1128 pa_sink_new_data_done(&sink_data
);
1131 pa_log("Failed to create sink.");
1134 u
->name
=pa_xstrdup(u
->sink
->name
);
1135 u
->sink
->parent
.process_msg
= sink_process_msg_cb
;
1136 u
->sink
->set_state
= sink_set_state_cb
;
1137 u
->sink
->update_requested_latency
= sink_update_requested_latency_cb
;
1138 u
->sink
->request_rewind
= sink_request_rewind_cb
;
1139 u
->sink
->set_volume
= sink_set_volume_cb
;
1140 u
->sink
->set_mute
= sink_set_mute_cb
;
1141 u
->sink
->userdata
= u
;
1142 u
->input_q
= pa_memblockq_new(0, MEMBLOCKQ_MAXLENGTH
, 0, fs
, 1, 1, 0, &u
->sink
->silence
);
1144 pa_sink_set_asyncmsgq(u
->sink
, master
->asyncmsgq
);
1145 //pa_sink_set_fixed_latency(u->sink, pa_bytes_to_usec(u->R*fs, &ss));
1147 /* Create sink input */
1148 pa_sink_input_new_data_init(&sink_input_data
);
1149 sink_input_data
.driver
= __FILE__
;
1150 sink_input_data
.module
= m
;
1151 sink_input_data
.sink
= master
;
1152 pa_proplist_sets(sink_input_data
.proplist
, PA_PROP_MEDIA_NAME
, "Equalized Stream");
1153 pa_proplist_sets(sink_input_data
.proplist
, PA_PROP_MEDIA_ROLE
, "filter");
1154 pa_sink_input_new_data_set_sample_spec(&sink_input_data
, &ss
);
1155 pa_sink_input_new_data_set_channel_map(&sink_input_data
, &map
);
1157 pa_sink_input_new(&u
->sink_input
, m
->core
, &sink_input_data
);
1158 pa_sink_input_new_data_done(&sink_input_data
);
1163 u
->sink_input
->pop
= sink_input_pop_cb
;
1164 u
->sink_input
->process_rewind
= sink_input_process_rewind_cb
;
1165 u
->sink_input
->update_max_rewind
= sink_input_update_max_rewind_cb
;
1166 u
->sink_input
->update_max_request
= sink_input_update_max_request_cb
;
1167 u
->sink_input
->update_sink_latency_range
= sink_input_update_sink_latency_range_cb
;
1168 u
->sink_input
->update_sink_fixed_latency
= sink_input_update_sink_fixed_latency_cb
;
1169 u
->sink_input
->kill
= sink_input_kill_cb
;
1170 u
->sink_input
->attach
= sink_input_attach_cb
;
1171 u
->sink_input
->detach
= sink_input_detach_cb
;
1172 u
->sink_input
->state_change
= sink_input_state_change_cb
;
1173 u
->sink_input
->may_move_to
= sink_input_may_move_to_cb
;
1174 u
->sink_input
->moving
= sink_input_moving_cb
;
1175 u
->sink_input
->volume_changed
= sink_input_volume_changed_cb
;
1176 u
->sink_input
->mute_changed
= sink_input_mute_changed_cb
;
1178 u
->sink_input
->userdata
= u
;
1180 pa_sink_put(u
->sink
);
1181 pa_sink_input_put(u
->sink_input
);
1183 pa_modargs_free(ma
);
1188 //default filter to these
1189 for(size_t c
= 0; c
< u
->channels
; ++c
){
1190 a_i
= pa_aupdate_write_begin(u
->a_H
[c
]);
1192 u
->Xs
[c
][a_i
] = 1.0f
;
1193 for(size_t i
= 0; i
< FILTER_SIZE
; ++i
){
1194 H
[i
] = 1.0 / sqrtf(2.0f
);
1196 fix_filter(H
, u
->fft_size
);
1197 pa_aupdate_write_end(u
->a_H
[c
]);
1199 //load old parameters
1206 pa_modargs_free(ma
);
1214 int pa__get_n_used(pa_module
*m
) {
1218 pa_assert_se(u
= m
->userdata
);
1220 return pa_sink_linked_by(u
->sink
);
1223 void pa__done(pa_module
*m
) {
1228 if (!(u
= m
->userdata
))
1235 for(size_t c
= 0; c
< u
->channels
; ++c
){
1236 if(u
->base_profiles
[c
]){
1237 pa_xfree(u
->base_profiles
[c
]);
1240 pa_xfree(u
->base_profiles
);
1242 /* See comments in sink_input_kill_cb() above regarding
1243 * destruction order! */
1246 pa_sink_input_unlink(u
->sink_input
);
1249 pa_sink_unlink(u
->sink
);
1252 pa_sink_input_unref(u
->sink_input
);
1255 pa_sink_unref(u
->sink
);
1257 pa_memblockq_free(u
->input_q
);
1259 fftwf_destroy_plan(u
->inverse_plan
);
1260 fftwf_destroy_plan(u
->forward_plan
);
1261 pa_xfree(u
->output_window
);
1262 for(size_t c
=0; c
< u
->channels
; ++c
){
1263 pa_aupdate_free(u
->a_H
[c
]);
1264 pa_xfree(u
->overlap_accum
[c
]);
1265 pa_xfree(u
->input
[c
]);
1268 pa_xfree(u
->overlap_accum
);
1270 pa_xfree(u
->work_buffer
);
1272 for(size_t c
= 0; c
< u
->channels
; ++c
){
1274 for(size_t i
= 0; i
< 2; ++i
){
1275 pa_xfree(u
->Hs
[c
][i
]);
1288 * DBus Routines and Callbacks
1290 #define EXTNAME "org.PulseAudio.Ext.Equalizing1"
1291 #define MANAGER_PATH "/org/pulseaudio/equalizing1"
1292 #define MANAGER_IFACE EXTNAME ".Manager"
1293 #define EQUALIZER_IFACE EXTNAME ".Equalizer"
1294 static void manager_get_revision(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1295 static void manager_get_sinks(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1296 static void manager_get_profiles(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1297 static void manager_get_all(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1298 static void manager_handle_remove_profile(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1299 static void equalizer_get_revision(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1300 static void equalizer_get_sample_rate(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1301 static void equalizer_get_filter_rate(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1302 static void equalizer_get_n_coefs(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1303 static void equalizer_get_n_channels(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1304 static void equalizer_get_all(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1305 static void equalizer_handle_seed_filter(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1306 static void equalizer_handle_get_filter_points(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1307 static void equalizer_handle_get_filter(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1308 static void equalizer_handle_set_filter(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1309 static void equalizer_handle_save_profile(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1310 static void equalizer_handle_load_profile(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1311 static void equalizer_handle_get_profile_name(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
);
1312 enum manager_method_index
{
1313 MANAGER_METHOD_REMOVE_PROFILE
,
1317 pa_dbus_arg_info remove_profile_args
[]={
1321 static pa_dbus_method_handler manager_methods
[MANAGER_METHOD_MAX
]={
1322 [MANAGER_METHOD_REMOVE_PROFILE
]{
1323 .method_name
="RemoveProfile",
1324 .arguments
=remove_profile_args
,
1325 .n_arguments
=sizeof(remove_profile_args
)/sizeof(pa_dbus_arg_info
),
1326 .receive_cb
=manager_handle_remove_profile
}
1329 enum manager_handler_index
{
1330 MANAGER_HANDLER_REVISION
,
1331 MANAGER_HANDLER_EQUALIZED_SINKS
,
1332 MANAGER_HANDLER_PROFILES
,
1336 static pa_dbus_property_handler manager_handlers
[MANAGER_HANDLER_MAX
]={
1337 [MANAGER_HANDLER_REVISION
]={.property_name
="InterfaceRevision",.type
="u",.get_cb
=manager_get_revision
,.set_cb
=NULL
},
1338 [MANAGER_HANDLER_EQUALIZED_SINKS
]={.property_name
="EqualizedSinks",.type
="ao",.get_cb
=manager_get_sinks
,.set_cb
=NULL
},
1339 [MANAGER_HANDLER_PROFILES
]={.property_name
="Profiles",.type
="as",.get_cb
=manager_get_profiles
,.set_cb
=NULL
}
1342 pa_dbus_arg_info sink_args
[]={
1346 enum manager_signal_index
{
1347 MANAGER_SIGNAL_SINK_ADDED
,
1348 MANAGER_SIGNAL_SINK_REMOVED
,
1349 MANAGER_SIGNAL_PROFILES_CHANGED
,
1353 static pa_dbus_signal_info manager_signals
[MANAGER_SIGNAL_MAX
]={
1354 [MANAGER_SIGNAL_SINK_ADDED
]={.name
="SinkAdded", .arguments
=sink_args
, .n_arguments
=sizeof(sink_args
)/sizeof(pa_dbus_arg_info
)},
1355 [MANAGER_SIGNAL_SINK_REMOVED
]={.name
="SinkRemoved", .arguments
=sink_args
, .n_arguments
=sizeof(sink_args
)/sizeof(pa_dbus_arg_info
)},
1356 [MANAGER_SIGNAL_PROFILES_CHANGED
]={.name
="ProfilesChanged", .arguments
=NULL
, .n_arguments
=0}
1359 static pa_dbus_interface_info manager_info
={
1360 .name
=MANAGER_IFACE
,
1361 .method_handlers
=manager_methods
,
1362 .n_method_handlers
=MANAGER_METHOD_MAX
,
1363 .property_handlers
=manager_handlers
,
1364 .n_property_handlers
=MANAGER_HANDLER_MAX
,
1365 .get_all_properties_cb
=manager_get_all
,
1366 .signals
=manager_signals
,
1367 .n_signals
=MANAGER_SIGNAL_MAX
1370 enum equalizer_method_index
{
1371 EQUALIZER_METHOD_FILTER_POINTS
,
1372 EQUALIZER_METHOD_SEED_FILTER
,
1373 EQUALIZER_METHOD_SAVE_PROFILE
,
1374 EQUALIZER_METHOD_LOAD_PROFILE
,
1375 EQUALIZER_METHOD_SET_FILTER
,
1376 EQUALIZER_METHOD_GET_FILTER
,
1377 EQUALIZER_METHOD_GET_PROFILE_NAME
,
1378 EQUALIZER_METHOD_MAX
1381 enum equalizer_handler_index
{
1382 EQUALIZER_HANDLER_REVISION
,
1383 EQUALIZER_HANDLER_SAMPLERATE
,
1384 EQUALIZER_HANDLER_FILTERSAMPLERATE
,
1385 EQUALIZER_HANDLER_N_COEFS
,
1386 EQUALIZER_HANDLER_N_CHANNELS
,
1387 EQUALIZER_HANDLER_MAX
1390 pa_dbus_arg_info filter_points_args
[]={
1391 {"channel", "u","in"},
1394 {"preamp", "d","out"}
1396 pa_dbus_arg_info seed_filter_args
[]={
1397 {"channel", "u","in"},
1400 {"preamp", "d","in"}
1403 pa_dbus_arg_info set_filter_args
[]={
1404 {"channel", "u","in"},
1406 {"preamp", "d","in"}
1408 pa_dbus_arg_info get_filter_args
[]={
1409 {"channel", "u","in"},
1411 {"preamp", "d","out"}
1414 pa_dbus_arg_info save_profile_args
[]={
1415 {"channel", "u","in"},
1418 pa_dbus_arg_info load_profile_args
[]={
1419 {"channel", "u","in"},
1422 pa_dbus_arg_info base_profile_name_args
[]={
1423 {"channel", "u","in"},
1427 static pa_dbus_method_handler equalizer_methods
[EQUALIZER_METHOD_MAX
]={
1428 [EQUALIZER_METHOD_SEED_FILTER
]{
1429 .method_name
="SeedFilter",
1430 .arguments
=seed_filter_args
,
1431 .n_arguments
=sizeof(seed_filter_args
)/sizeof(pa_dbus_arg_info
),
1432 .receive_cb
=equalizer_handle_seed_filter
},
1433 [EQUALIZER_METHOD_FILTER_POINTS
]{
1434 .method_name
="FilterAtPoints",
1435 .arguments
=filter_points_args
,
1436 .n_arguments
=sizeof(filter_points_args
)/sizeof(pa_dbus_arg_info
),
1437 .receive_cb
=equalizer_handle_get_filter_points
},
1438 [EQUALIZER_METHOD_SET_FILTER
]{
1439 .method_name
="SetFilter",
1440 .arguments
=set_filter_args
,
1441 .n_arguments
=sizeof(set_filter_args
)/sizeof(pa_dbus_arg_info
),
1442 .receive_cb
=equalizer_handle_set_filter
},
1443 [EQUALIZER_METHOD_GET_FILTER
]{
1444 .method_name
="GetFilter",
1445 .arguments
=get_filter_args
,
1446 .n_arguments
=sizeof(get_filter_args
)/sizeof(pa_dbus_arg_info
),
1447 .receive_cb
=equalizer_handle_get_filter
},
1448 [EQUALIZER_METHOD_SAVE_PROFILE
]{
1449 .method_name
="SaveProfile",
1450 .arguments
=save_profile_args
,
1451 .n_arguments
=sizeof(save_profile_args
)/sizeof(pa_dbus_arg_info
),
1452 .receive_cb
=equalizer_handle_save_profile
},
1453 [EQUALIZER_METHOD_LOAD_PROFILE
]{
1454 .method_name
="LoadProfile",
1455 .arguments
=load_profile_args
,
1456 .n_arguments
=sizeof(load_profile_args
)/sizeof(pa_dbus_arg_info
),
1457 .receive_cb
=equalizer_handle_load_profile
},
1458 [EQUALIZER_METHOD_GET_PROFILE_NAME
]{
1459 .method_name
="BaseProfile",
1460 .arguments
=base_profile_name_args
,
1461 .n_arguments
=sizeof(base_profile_name_args
)/sizeof(pa_dbus_arg_info
),
1462 .receive_cb
=equalizer_handle_get_profile_name
}
1465 static pa_dbus_property_handler equalizer_handlers
[EQUALIZER_HANDLER_MAX
]={
1466 [EQUALIZER_HANDLER_REVISION
]={.property_name
="InterfaceRevision",.type
="u",.get_cb
=equalizer_get_revision
,.set_cb
=NULL
},
1467 [EQUALIZER_HANDLER_SAMPLERATE
]{.property_name
="SampleRate",.type
="u",.get_cb
=equalizer_get_sample_rate
,.set_cb
=NULL
},
1468 [EQUALIZER_HANDLER_FILTERSAMPLERATE
]{.property_name
="FilterSampleRate",.type
="u",.get_cb
=equalizer_get_filter_rate
,.set_cb
=NULL
},
1469 [EQUALIZER_HANDLER_N_COEFS
]{.property_name
="NFilterCoefficients",.type
="u",.get_cb
=equalizer_get_n_coefs
,.set_cb
=NULL
},
1470 [EQUALIZER_HANDLER_N_CHANNELS
]{.property_name
="NChannels",.type
="u",.get_cb
=equalizer_get_n_channels
,.set_cb
=NULL
},
1473 enum equalizer_signal_index
{
1474 EQUALIZER_SIGNAL_FILTER_CHANGED
,
1475 EQUALIZER_SIGNAL_SINK_RECONFIGURED
,
1476 EQUALIZER_SIGNAL_MAX
1479 static pa_dbus_signal_info equalizer_signals
[EQUALIZER_SIGNAL_MAX
]={
1480 [EQUALIZER_SIGNAL_FILTER_CHANGED
]={.name
="FilterChanged", .arguments
=NULL
, .n_arguments
=0},
1481 [EQUALIZER_SIGNAL_SINK_RECONFIGURED
]={.name
="SinkReconfigured", .arguments
=NULL
, .n_arguments
=0},
1484 static pa_dbus_interface_info equalizer_info
={
1485 .name
=EQUALIZER_IFACE
,
1486 .method_handlers
=equalizer_methods
,
1487 .n_method_handlers
=EQUALIZER_METHOD_MAX
,
1488 .property_handlers
=equalizer_handlers
,
1489 .n_property_handlers
=EQUALIZER_HANDLER_MAX
,
1490 .get_all_properties_cb
=equalizer_get_all
,
1491 .signals
=equalizer_signals
,
1492 .n_signals
=EQUALIZER_SIGNAL_MAX
1495 void dbus_init(struct userdata
*u
){
1497 DBusMessage
*signal
= NULL
;
1498 pa_idxset
*sink_list
= NULL
;
1499 u
->dbus_protocol
=pa_dbus_protocol_get(u
->sink
->core
);
1500 u
->dbus_path
=pa_sprintf_malloc("/org/pulseaudio/core1/sink%d", u
->sink
->index
);
1502 pa_dbus_protocol_add_interface(u
->dbus_protocol
, u
->dbus_path
, &equalizer_info
, u
);
1503 sink_list
= pa_shared_get(u
->sink
->core
, SINKLIST
);
1504 u
->database
= pa_shared_get(u
->sink
->core
, EQDB
);
1505 if(sink_list
== NULL
){
1507 sink_list
=pa_idxset_new(&pa_idxset_trivial_hash_func
, &pa_idxset_trivial_compare_func
);
1508 pa_shared_set(u
->sink
->core
, SINKLIST
, sink_list
);
1509 pa_assert_se(dbname
= pa_state_path("equalizer-presets", FALSE
));
1510 pa_assert_se(u
->database
= pa_database_open(dbname
, TRUE
));
1512 pa_shared_set(u
->sink
->core
, EQDB
, u
->database
);
1513 pa_dbus_protocol_add_interface(u
->dbus_protocol
, MANAGER_PATH
, &manager_info
, u
->sink
->core
);
1514 pa_dbus_protocol_register_extension(u
->dbus_protocol
, EXTNAME
);
1516 pa_idxset_put(sink_list
, u
, &dummy
);
1518 pa_assert_se((signal
= dbus_message_new_signal(MANAGER_PATH
, MANAGER_IFACE
, manager_signals
[MANAGER_SIGNAL_SINK_ADDED
].name
)));
1519 dbus_message_append_args(signal
, DBUS_TYPE_OBJECT_PATH
, &u
->dbus_path
, DBUS_TYPE_INVALID
);
1520 pa_dbus_protocol_send_signal(u
->dbus_protocol
, signal
);
1521 dbus_message_unref(signal
);
1524 void dbus_done(struct userdata
*u
){
1525 pa_idxset
*sink_list
;
1528 DBusMessage
*signal
= NULL
;
1529 pa_assert_se((signal
= dbus_message_new_signal(MANAGER_PATH
, MANAGER_IFACE
, manager_signals
[MANAGER_SIGNAL_SINK_REMOVED
].name
)));
1530 dbus_message_append_args(signal
, DBUS_TYPE_OBJECT_PATH
, &u
->dbus_path
, DBUS_TYPE_INVALID
);
1531 pa_dbus_protocol_send_signal(u
->dbus_protocol
, signal
);
1532 dbus_message_unref(signal
);
1534 pa_assert_se(sink_list
=pa_shared_get(u
->sink
->core
,SINKLIST
));
1535 pa_idxset_remove_by_data(sink_list
,u
,&dummy
);
1536 if(pa_idxset_size(sink_list
)==0){
1537 pa_dbus_protocol_unregister_extension(u
->dbus_protocol
, EXTNAME
);
1538 pa_dbus_protocol_remove_interface(u
->dbus_protocol
, MANAGER_PATH
, manager_info
.name
);
1539 pa_shared_remove(u
->sink
->core
, EQDB
);
1540 pa_database_close(u
->database
);
1541 pa_shared_remove(u
->sink
->core
, SINKLIST
);
1542 pa_xfree(sink_list
);
1544 pa_dbus_protocol_remove_interface(u
->dbus_protocol
, u
->dbus_path
, equalizer_info
.name
);
1545 pa_xfree(u
->dbus_path
);
1546 pa_dbus_protocol_unref(u
->dbus_protocol
);
1549 void manager_handle_remove_profile(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
) {
1551 pa_core
*c
= (pa_core
*)_u
;
1552 DBusMessage
*signal
= NULL
;
1553 pa_dbus_protocol
*dbus_protocol
;
1558 dbus_error_init(&error
);
1559 if(!dbus_message_get_args(msg
, &error
,
1560 DBUS_TYPE_STRING
, &name
,
1561 DBUS_TYPE_INVALID
)){
1562 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "%s", error
.message
);
1563 dbus_error_free(&error
);
1566 remove_profile(c
,name
);
1567 pa_dbus_send_empty_reply(conn
, msg
);
1569 pa_assert_se((signal
= dbus_message_new_signal(MANAGER_PATH
, MANAGER_IFACE
, manager_signals
[MANAGER_SIGNAL_PROFILES_CHANGED
].name
)));
1570 dbus_protocol
= pa_dbus_protocol_get(c
);
1571 pa_dbus_protocol_send_signal(dbus_protocol
, signal
);
1572 pa_dbus_protocol_unref(dbus_protocol
);
1573 dbus_message_unref(signal
);
1576 void manager_get_revision(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
){
1578 pa_dbus_send_basic_value_reply(conn
, msg
, DBUS_TYPE_UINT32
, &rev
);
1581 static void get_sinks(pa_core
*u
, char ***names
, unsigned *n_sinks
){
1583 struct userdata
*sink_u
= NULL
;
1585 pa_idxset
*sink_list
;
1590 pa_assert_se(sink_list
= pa_shared_get(u
, SINKLIST
));
1591 *n_sinks
= (unsigned) pa_idxset_size(sink_list
);
1592 *names
= *n_sinks
> 0 ? pa_xnew0(char *,*n_sinks
) : NULL
;
1593 for(uint32_t i
= 0; i
< *n_sinks
; ++i
){
1594 sink_u
= (struct userdata
*) pa_idxset_iterate(sink_list
, &iter
, &dummy
);
1595 (*names
)[i
] = pa_xstrdup(sink_u
->dbus_path
);
1599 void manager_get_sinks(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
){
1601 char **names
= NULL
;
1606 get_sinks((pa_core
*) _u
, &names
, &n
);
1607 pa_dbus_send_basic_array_variant_reply(conn
, msg
, DBUS_TYPE_OBJECT_PATH
, names
, n
);
1608 for(unsigned i
= 0; i
< n
; ++i
){
1614 static void get_profiles(pa_core
*c
, char ***names
, unsigned *n
){
1616 pa_database
*database
;
1617 pa_datum key
, next_key
;
1618 pa_strlist
*head
=NULL
, *iter
;
1620 pa_assert_se(database
= pa_shared_get(c
, EQDB
));
1625 done
= !pa_database_first(database
, &key
, NULL
);
1628 done
= !pa_database_next(database
, &key
, &next_key
, NULL
);
1629 name
=pa_xmalloc(key
.size
+ 1);
1630 memcpy(name
, key
.data
, key
.size
);
1631 name
[key
.size
] = '\0';
1632 pa_datum_free(&key
);
1633 head
= pa_strlist_prepend(head
, name
);
1638 (*names
) = *n
> 0 ? pa_xnew0(char *, *n
) : NULL
;
1640 for(unsigned i
= 0; i
< *n
; ++i
){
1641 (*names
)[*n
- 1 - i
] = pa_xstrdup(pa_strlist_data(iter
));
1642 iter
= pa_strlist_next(iter
);
1644 pa_strlist_free(head
);
1647 void manager_get_profiles(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
){
1654 get_profiles((pa_core
*)_u
, &names
, &n
);
1655 pa_dbus_send_basic_array_variant_reply(conn
, msg
, DBUS_TYPE_STRING
, names
, n
);
1656 for(unsigned i
= 0; i
< n
; ++i
){
1662 void manager_get_all(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
){
1664 char **names
= NULL
;
1666 DBusMessage
*reply
= NULL
;
1667 DBusMessageIter msg_iter
, dict_iter
;
1671 pa_assert_se(c
= _u
);
1673 pa_assert_se((reply
= dbus_message_new_method_return(msg
)));
1674 dbus_message_iter_init_append(reply
, &msg_iter
);
1675 pa_assert_se(dbus_message_iter_open_container(&msg_iter
, DBUS_TYPE_ARRAY
, "{sv}", &dict_iter
));
1678 pa_dbus_append_basic_variant_dict_entry(&dict_iter
, manager_handlers
[MANAGER_HANDLER_REVISION
].property_name
, DBUS_TYPE_UINT32
, &rev
);
1680 get_sinks(c
, &names
, &n
);
1681 pa_dbus_append_basic_array_variant_dict_entry(&dict_iter
,manager_handlers
[MANAGER_HANDLER_EQUALIZED_SINKS
].property_name
, DBUS_TYPE_OBJECT_PATH
, names
, n
);
1682 for(unsigned i
= 0; i
< n
; ++i
){
1687 get_profiles(c
, &names
, &n
);
1688 pa_dbus_append_basic_array_variant_dict_entry(&dict_iter
, manager_handlers
[MANAGER_HANDLER_PROFILES
].property_name
, DBUS_TYPE_STRING
, names
, n
);
1689 for(unsigned i
= 0; i
< n
; ++i
){
1693 pa_assert_se(dbus_message_iter_close_container(&msg_iter
, &dict_iter
));
1694 pa_assert_se(dbus_connection_send(conn
, reply
, NULL
));
1695 dbus_message_unref(reply
);
1698 void equalizer_handle_seed_filter(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
) {
1699 struct userdata
*u
=(struct userdata
*) _u
;
1701 DBusMessage
*signal
= NULL
;
1703 uint32_t *xs
, channel
, r_channel
;
1704 double *_ys
, preamp
;
1705 unsigned x_npoints
, y_npoints
, a_i
;
1707 pa_bool_t points_good
= TRUE
;
1712 dbus_error_init(&error
);
1714 if(!dbus_message_get_args(msg
, &error
,
1715 DBUS_TYPE_UINT32
, &channel
,
1716 DBUS_TYPE_ARRAY
, DBUS_TYPE_UINT32
, &xs
, &x_npoints
,
1717 DBUS_TYPE_ARRAY
, DBUS_TYPE_DOUBLE
, &_ys
, &y_npoints
,
1718 DBUS_TYPE_DOUBLE
, &preamp
,
1719 DBUS_TYPE_INVALID
)){
1720 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "%s", error
.message
);
1721 dbus_error_free(&error
);
1724 if(channel
> u
->channels
){
1725 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "invalid channel: %d", channel
);
1726 dbus_error_free(&error
);
1729 for(size_t i
= 0; i
< x_npoints
; ++i
){
1730 if(xs
[i
] >= FILTER_SIZE
){
1731 points_good
= FALSE
;
1735 if(!is_monotonic(xs
, x_npoints
) || !points_good
){
1736 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "xs must be monotonic and 0<=x<=%ld", u
->fft_size
/ 2);
1737 dbus_error_free(&error
);
1739 }else if(x_npoints
!= y_npoints
|| x_npoints
< 2 || x_npoints
> FILTER_SIZE
){
1740 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "xs and ys must be the same length and 2<=l<=%ld!", FILTER_SIZE
);
1741 dbus_error_free(&error
);
1743 }else if(xs
[0] != 0 || xs
[x_npoints
- 1] != u
->fft_size
/ 2){
1744 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "xs[0] must be 0 and xs[-1]=fft_size/2");
1745 dbus_error_free(&error
);
1749 ys
= pa_xmalloc(x_npoints
* sizeof(float));
1750 for(uint32_t i
= 0; i
< x_npoints
; ++i
){
1751 ys
[i
] = (float) _ys
[i
];
1753 r_channel
= channel
== u
->channels
? 0 : channel
;
1754 a_i
= pa_aupdate_write_begin(u
->a_H
[r_channel
]);
1755 H
= u
->Hs
[r_channel
][a_i
];
1756 u
->Xs
[r_channel
][a_i
] = preamp
;
1757 interpolate(H
, FILTER_SIZE
, xs
, ys
, x_npoints
);
1758 fix_filter(H
, u
->fft_size
);
1759 if(channel
== u
->channels
){
1760 for(size_t c
= 1; c
< u
->channels
; ++c
){
1761 unsigned b_i
= pa_aupdate_write_begin(u
->a_H
[c
]);
1762 float *H_p
= u
->Hs
[c
][b_i
];
1763 u
->Xs
[c
][b_i
] = preamp
;
1764 memcpy(H_p
, H
, FILTER_SIZE
* sizeof(float));
1765 pa_aupdate_write_end(u
->a_H
[c
]);
1768 pa_aupdate_write_end(u
->a_H
[r_channel
]);
1772 pa_dbus_send_empty_reply(conn
, msg
);
1774 pa_assert_se((signal
= dbus_message_new_signal(u
->dbus_path
, EQUALIZER_IFACE
, equalizer_signals
[EQUALIZER_SIGNAL_FILTER_CHANGED
].name
)));
1775 pa_dbus_protocol_send_signal(u
->dbus_protocol
, signal
);
1776 dbus_message_unref(signal
);
1779 void equalizer_handle_get_filter_points(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
) {
1780 struct userdata
*u
= (struct userdata
*) _u
;
1781 uint32_t *xs
, channel
, r_channel
;
1783 unsigned x_npoints
, a_i
;
1785 pa_bool_t points_good
=TRUE
;
1786 DBusMessage
*reply
= NULL
;
1787 DBusMessageIter msg_iter
;
1794 dbus_error_init(&error
);
1795 if(!dbus_message_get_args(msg
, &error
,
1796 DBUS_TYPE_UINT32
, &channel
,
1797 DBUS_TYPE_ARRAY
, DBUS_TYPE_UINT32
, &xs
, &x_npoints
,
1798 DBUS_TYPE_INVALID
)){
1799 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "%s", error
.message
);
1800 dbus_error_free(&error
);
1803 if(channel
> u
->channels
){
1804 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "invalid channel: %d", channel
);
1805 dbus_error_free(&error
);
1809 for(size_t i
= 0; i
< x_npoints
; ++i
){
1810 if(xs
[i
] >= FILTER_SIZE
){
1816 if(x_npoints
> FILTER_SIZE
|| !points_good
){
1817 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "xs indices/length must be <= %ld!", FILTER_SIZE
);
1818 dbus_error_free(&error
);
1822 r_channel
= channel
== u
->channels
? 0 : channel
;
1823 ys
= pa_xmalloc(x_npoints
* sizeof(double));
1824 a_i
= pa_aupdate_read_begin(u
->a_H
[r_channel
]);
1825 H
= u
->Hs
[r_channel
][a_i
];
1826 preamp
= u
->Xs
[r_channel
][a_i
];
1827 for(uint32_t i
= 0; i
< x_npoints
; ++i
){
1828 ys
[i
] = H
[xs
[i
]] * u
->fft_size
;
1830 pa_aupdate_read_end(u
->a_H
[r_channel
]);
1832 pa_assert_se((reply
= dbus_message_new_method_return(msg
)));
1833 dbus_message_iter_init_append(reply
, &msg_iter
);
1835 pa_dbus_append_basic_array(&msg_iter
, DBUS_TYPE_DOUBLE
, ys
, x_npoints
);
1836 pa_dbus_append_basic_variant(&msg_iter
, DBUS_TYPE_DOUBLE
, &preamp
);
1838 pa_assert_se(dbus_connection_send(conn
, reply
, NULL
));
1839 dbus_message_unref(reply
);
1843 static void get_filter(struct userdata
*u
, size_t channel
, double **H_
, double *preamp
){
1846 size_t r_channel
= channel
== u
->channels
? 0 : channel
;
1847 *H_
= pa_xnew0(double, FILTER_SIZE
);
1848 a_i
= pa_aupdate_read_begin(u
->a_H
[r_channel
]);
1849 H
= u
->Hs
[r_channel
][a_i
];
1850 for(size_t i
= 0;i
< FILTER_SIZE
; ++i
){
1851 (*H_
)[i
] = H
[i
] * u
->fft_size
;
1853 *preamp
= u
->Xs
[r_channel
][a_i
];
1855 pa_aupdate_read_end(u
->a_H
[r_channel
]);
1858 void equalizer_handle_get_filter(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
){
1863 DBusMessage
*reply
= NULL
;
1864 DBusMessageIter msg_iter
;
1866 pa_assert_se(u
= (struct userdata
*) _u
);
1870 dbus_error_init(&error
);
1871 if(!dbus_message_get_args(msg
, &error
,
1872 DBUS_TYPE_UINT32
, &channel
,
1873 DBUS_TYPE_INVALID
)){
1874 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "%s", error
.message
);
1875 dbus_error_free(&error
);
1878 if(channel
> u
->channels
){
1879 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "invalid channel: %d", channel
);
1880 dbus_error_free(&error
);
1884 n_coefs
= CHANNEL_PROFILE_SIZE
;
1887 get_filter(u
, channel
, &H_
, &preamp
);
1888 pa_assert_se((reply
= dbus_message_new_method_return(msg
)));
1889 dbus_message_iter_init_append(reply
, &msg_iter
);
1891 pa_dbus_append_basic_array(&msg_iter
, DBUS_TYPE_DOUBLE
, H_
, n_coefs
);
1892 pa_dbus_append_basic_variant(&msg_iter
, DBUS_TYPE_DOUBLE
, &preamp
);
1894 pa_assert_se(dbus_connection_send(conn
, reply
, NULL
));
1895 dbus_message_unref(reply
);
1899 static void set_filter(struct userdata
*u
, size_t channel
, double *H_
, double preamp
){
1901 size_t r_channel
= channel
== u
->channels
? 0 : channel
;
1904 a_i
= pa_aupdate_write_begin(u
->a_H
[r_channel
]);
1905 u
->Xs
[r_channel
][a_i
] = (float) preamp
;
1906 H
= u
->Hs
[r_channel
][a_i
];
1907 for(size_t i
= 0; i
< FILTER_SIZE
; ++i
){
1908 H
[i
] = (float) H_
[i
];
1910 fix_filter(H
, u
->fft_size
);
1911 if(channel
== u
->channels
){
1912 for(size_t c
= 1; c
< u
->channels
; ++c
){
1913 unsigned b_i
= pa_aupdate_write_begin(u
->a_H
[c
]);
1914 u
->Xs
[c
][b_i
] = u
->Xs
[r_channel
][a_i
];
1915 memcpy(u
->Hs
[c
][b_i
], u
->Hs
[r_channel
][a_i
], FILTER_SIZE
* sizeof(float));
1916 pa_aupdate_write_end(u
->a_H
[c
]);
1919 pa_aupdate_write_end(u
->a_H
[r_channel
]);
1922 void equalizer_handle_set_filter(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
){
1927 DBusMessage
*signal
= NULL
;
1929 pa_assert_se(u
= (struct userdata
*) _u
);
1933 dbus_error_init(&error
);
1934 if(!dbus_message_get_args(msg
, &error
,
1935 DBUS_TYPE_UINT32
, &channel
,
1936 DBUS_TYPE_ARRAY
, DBUS_TYPE_DOUBLE
, &H
, &_n_coefs
,
1937 DBUS_TYPE_DOUBLE
, &preamp
,
1938 DBUS_TYPE_INVALID
)){
1939 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "%s", error
.message
);
1940 dbus_error_free(&error
);
1943 if(channel
> u
->channels
){
1944 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "invalid channel: %d", channel
);
1945 dbus_error_free(&error
);
1948 if(_n_coefs
!= FILTER_SIZE
){
1949 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "This filter takes exactly %ld coefficients, you gave %d", FILTER_SIZE
, _n_coefs
);
1952 set_filter(u
, channel
, H
, preamp
);
1954 pa_dbus_send_empty_reply(conn
, msg
);
1956 pa_assert_se((signal
= dbus_message_new_signal(u
->dbus_path
, EQUALIZER_IFACE
, equalizer_signals
[EQUALIZER_SIGNAL_FILTER_CHANGED
].name
)));
1957 pa_dbus_protocol_send_signal(u
->dbus_protocol
, signal
);
1958 dbus_message_unref(signal
);
1961 void equalizer_handle_save_profile(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
) {
1962 struct userdata
*u
= (struct userdata
*) _u
;
1964 uint32_t channel
, r_channel
;
1965 DBusMessage
*signal
= NULL
;
1970 dbus_error_init(&error
);
1972 if(!dbus_message_get_args(msg
, &error
,
1973 DBUS_TYPE_UINT32
, &channel
,
1974 DBUS_TYPE_STRING
, &name
,
1975 DBUS_TYPE_INVALID
)){
1976 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "%s", error
.message
);
1977 dbus_error_free(&error
);
1980 if(channel
> u
->channels
){
1981 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "invalid channel: %d", channel
);
1982 dbus_error_free(&error
);
1985 r_channel
= channel
== u
->channels
? 0 : channel
;
1986 save_profile(u
, r_channel
, name
);
1987 pa_dbus_send_empty_reply(conn
, msg
);
1989 pa_assert_se((signal
= dbus_message_new_signal(MANAGER_PATH
, MANAGER_IFACE
, manager_signals
[MANAGER_SIGNAL_PROFILES_CHANGED
].name
)));
1990 pa_dbus_protocol_send_signal(u
->dbus_protocol
, signal
);
1991 dbus_message_unref(signal
);
1994 void equalizer_handle_load_profile(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
) {
1995 struct userdata
*u
= (struct userdata
*) _u
;
1998 uint32_t channel
, r_channel
;
1999 const char *err_msg
= NULL
;
2000 DBusMessage
*signal
= NULL
;
2005 dbus_error_init(&error
);
2007 if(!dbus_message_get_args(msg
, &error
,
2008 DBUS_TYPE_UINT32
, &channel
,
2009 DBUS_TYPE_STRING
, &name
,
2010 DBUS_TYPE_INVALID
)){
2011 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "%s", error
.message
);
2012 dbus_error_free(&error
);
2015 if(channel
> u
->channels
){
2016 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "invalid channel: %d", channel
);
2017 dbus_error_free(&error
);
2020 r_channel
= channel
== u
->channels
? 0 : channel
;
2022 err_msg
= load_profile(u
, r_channel
, name
);
2023 if(err_msg
!= NULL
){
2024 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_FAILED
, "error loading profile %s: %s", name
, err_msg
);
2025 dbus_error_free(&error
);
2028 if(channel
== u
->channels
){
2029 for(uint32_t c
= 1; c
< u
->channels
; ++c
){
2030 load_profile(u
, c
, name
);
2033 pa_dbus_send_empty_reply(conn
, msg
);
2035 pa_assert_se((signal
= dbus_message_new_signal(u
->dbus_path
, EQUALIZER_IFACE
, equalizer_signals
[EQUALIZER_SIGNAL_FILTER_CHANGED
].name
)));
2036 pa_dbus_protocol_send_signal(u
->dbus_protocol
, signal
);
2037 dbus_message_unref(signal
);
2040 void equalizer_handle_get_profile_name(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
){
2041 struct userdata
*u
= (struct userdata
*) _u
;
2043 uint32_t channel
, r_channel
;
2048 dbus_error_init(&error
);
2050 if(!dbus_message_get_args(msg
, &error
,
2051 DBUS_TYPE_UINT32
, &channel
,
2052 DBUS_TYPE_INVALID
)){
2053 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "%s", error
.message
);
2054 dbus_error_free(&error
);
2057 if(channel
> u
->channels
){
2058 pa_dbus_send_error(conn
, msg
, DBUS_ERROR_INVALID_ARGS
, "invalid channel: %d", channel
);
2059 dbus_error_free(&error
);
2062 r_channel
= channel
== u
->channels
? 0 : channel
;
2063 if(u
->base_profiles
[r_channel
]){
2064 pa_dbus_send_basic_value_reply(conn
,msg
, DBUS_TYPE_STRING
, &u
->base_profiles
[r_channel
]);
2066 pa_dbus_send_empty_reply(conn
, msg
);
2070 void equalizer_get_revision(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
){
2072 pa_dbus_send_basic_value_reply(conn
, msg
, DBUS_TYPE_UINT32
, &rev
);
2075 void equalizer_get_n_channels(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
){
2078 pa_assert_se(u
= (struct userdata
*) _u
);
2082 channels
= (uint32_t) u
->channels
;
2083 pa_dbus_send_basic_variant_reply(conn
, msg
, DBUS_TYPE_UINT32
, &channels
);
2086 void equalizer_get_n_coefs(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
){
2089 pa_assert_se(u
= (struct userdata
*) _u
);
2093 n_coefs
= (uint32_t) CHANNEL_PROFILE_SIZE
;
2094 pa_dbus_send_basic_variant_reply(conn
, msg
, DBUS_TYPE_UINT32
, &n_coefs
);
2097 void equalizer_get_sample_rate(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
){
2100 pa_assert_se(u
= (struct userdata
*) _u
);
2104 rate
= (uint32_t) u
->sink
->sample_spec
.rate
;
2105 pa_dbus_send_basic_variant_reply(conn
, msg
, DBUS_TYPE_UINT32
, &rate
);
2108 void equalizer_get_filter_rate(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
){
2111 pa_assert_se(u
= (struct userdata
*) _u
);
2115 fft_size
= (uint32_t) u
->fft_size
;
2116 pa_dbus_send_basic_variant_reply(conn
, msg
, DBUS_TYPE_UINT32
, &fft_size
);
2119 void equalizer_get_all(DBusConnection
*conn
, DBusMessage
*msg
, void *_u
){
2121 DBusMessage
*reply
= NULL
;
2122 DBusMessageIter msg_iter
, dict_iter
;
2123 uint32_t rev
, n_coefs
, rate
, fft_size
, channels
;
2124 pa_assert_se(u
= (struct userdata
*) _u
);
2128 n_coefs
= (uint32_t) CHANNEL_PROFILE_SIZE
;
2129 rate
= (uint32_t) u
->sink
->sample_spec
.rate
;
2130 fft_size
= (uint32_t) u
->fft_size
;
2131 channels
= (uint32_t) u
->channels
;
2133 pa_assert_se((reply
= dbus_message_new_method_return(msg
)));
2134 dbus_message_iter_init_append(reply
, &msg_iter
);
2135 pa_assert_se(dbus_message_iter_open_container(&msg_iter
, DBUS_TYPE_ARRAY
, "{sv}", &dict_iter
));
2137 pa_dbus_append_basic_variant_dict_entry(&dict_iter
, equalizer_handlers
[EQUALIZER_HANDLER_REVISION
].property_name
, DBUS_TYPE_UINT32
, &rev
);
2138 pa_dbus_append_basic_variant_dict_entry(&dict_iter
, equalizer_handlers
[EQUALIZER_HANDLER_SAMPLERATE
].property_name
, DBUS_TYPE_UINT32
, &rate
);
2139 pa_dbus_append_basic_variant_dict_entry(&dict_iter
, equalizer_handlers
[EQUALIZER_HANDLER_FILTERSAMPLERATE
].property_name
, DBUS_TYPE_UINT32
, &fft_size
);
2140 pa_dbus_append_basic_variant_dict_entry(&dict_iter
, equalizer_handlers
[EQUALIZER_HANDLER_N_COEFS
].property_name
, DBUS_TYPE_UINT32
, &n_coefs
);
2141 pa_dbus_append_basic_variant_dict_entry(&dict_iter
, equalizer_handlers
[EQUALIZER_HANDLER_N_CHANNELS
].property_name
, DBUS_TYPE_UINT32
, &channels
);
2143 pa_assert_se(dbus_message_iter_close_container(&msg_iter
, &dict_iter
));
2144 pa_assert_se(dbus_connection_send(conn
, reply
, NULL
));
2145 dbus_message_unref(reply
);