/***
-This file is part of PulseAudio.
-
-This module is based off Lennart Poettering's LADSPA sink and swaps out
-LADSPA functionality for a STFT OLA based digital equalizer. All new work
-is published under Pulseaudio's original license.
-Copyright 2009 Jason Newton <nevion@gmail.com>
-
-Original Author:
-Copyright 2004-2008 Lennart Poettering
-
-PulseAudio is free software; you can redistribute it and/or modify
-it under the terms of the GNU Lesser General Public License as published
-by the Free Software Foundation; either version 2.1 of the License,
-or (at your option) any later version.
-
-PulseAudio is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public License
-along with PulseAudio; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
-USA.
+ This file is part of PulseAudio.
+
+ This module is based off Lennart Poettering's LADSPA sink and swaps out
+ LADSPA functionality for a dbus-aware STFT OLA based digital equalizer.
+ All new work is published under Pulseaudio's original license.
+
+ Copyright 2009 Jason Newton <nevion@gmail.com>
+
+ Original Author:
+ Copyright 2004-2008 Lennart Poettering
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ PulseAudio is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
+#include <stdlib.h>
#include <stdio.h>
-#include <math.h>
-#include <fftw3.h>
#include <float.h>
+#include <math.h>
+#include <string.h>
+#include <stdint.h>
+//#undef __SSE2__
+#ifdef __SSE2__
+#include <xmmintrin.h>
+#include <emmintrin.h>
+#endif
+
+#include <fftw3.h>
#include <pulse/xmalloc.h>
-#include <pulse/i18n.h>
+#include <pulse/timeval.h>
-#include <pulsecore/core-error.h>
+#include <pulsecore/core-rtclock.h>
+#include <pulsecore/i18n.h>
+#include <pulsecore/aupdate.h>
#include <pulsecore/namereg.h>
#include <pulsecore/sink.h>
#include <pulsecore/module.h>
#include <pulsecore/core-util.h>
#include <pulsecore/modargs.h>
#include <pulsecore/log.h>
-#include <pulsecore/thread.h>
-#include <pulsecore/thread-mq.h>
#include <pulsecore/rtpoll.h>
#include <pulsecore/sample-util.h>
-#include <pulsecore/ltdl-helper.h>
-
-#include <stdint.h>
-#include <time.h>
-
+#include <pulsecore/shared.h>
+#include <pulsecore/idxset.h>
+#include <pulsecore/strlist.h>
+#include <pulsecore/database.h>
+#include <pulsecore/protocol-dbus.h>
+#include <pulsecore/dbus-util.h>
#include "module-equalizer-sink-symdef.h"
PA_MODULE_DESCRIPTION(_("General Purpose Equalizer"));
PA_MODULE_VERSION(PACKAGE_VERSION);
PA_MODULE_LOAD_ONCE(FALSE);
-PA_MODULE_USAGE(_("sink=<sink to connect to> "));
+PA_MODULE_USAGE(
+ _("sink_name=<name of the sink> "
+ "sink_properties=<properties for the sink> "
+ "sink_master=<sink to connect to> "
+ "format=<sample format> "
+ "rate=<sample rate> "
+ "channels=<number of channels> "
+ "channel_map=<channel map> "
+ "autoloaded=<set if this module is being loaded automatically> "
+ "use_volume_sharing=<yes or no> "
+ ));
#define MEMBLOCKQ_MAXLENGTH (16*1024*1024)
-
+#define DEFAULT_AUTOLOADED FALSE
struct userdata {
- pa_core *core;
pa_module *module;
- pa_sink *sink, *master;
+ pa_sink *sink;
pa_sink_input *sink_input;
+ pa_bool_t autoloaded;
size_t channels;
size_t fft_size;//length (res) of fft
* the latency of the filter, calculated from window_size
* based on constraints of COLA and window function
*/
+ //for twiddling with pulseaudio
size_t overlap_size;//window_size-R
size_t samples_gathered;
- size_t max_output;
- size_t target_samples;
- float *H;//frequency response filter (magnitude based)
+ size_t input_buffer_max;
+ //message
float *W;//windowing function (time domain)
- float *work_buffer,**input,**overlap_accum,**output_buffer;
+ float *work_buffer, **input, **overlap_accum;
fftwf_complex *output_window;
- fftwf_plan forward_plan,inverse_plan;
+ fftwf_plan forward_plan, inverse_plan;
//size_t samplings;
- pa_memchunk conv_buffer;
- pa_memblockq *rendered_q;
+ float **Xs;
+ float ***Hs;//thread updatable copies of the freq response filters (magnitude based)
+ pa_aupdate **a_H;
+ pa_memblockq *input_q;
+ char *output_buffer;
+ size_t output_buffer_length;
+ size_t output_buffer_max_length;
+ pa_memblockq *output_q;
+ pa_bool_t first_iteration;
+
+ pa_dbus_protocol *dbus_protocol;
+ char *dbus_path;
+
+ pa_database *database;
+ char **base_profiles;
};
static const char* const valid_modargs[] = {
"sink_name",
"sink_properties",
- "master",
+ "sink_master",
"format",
"rate",
"channels",
"channel_map",
+ "autoloaded",
+ "use_volume_sharing",
NULL
};
-uint64_t time_diff(struct timespec *timeA_p, struct timespec *timeB_p);
-void hanning_normalized_window(float *W,size_t window_size);
-void hanning_window(float *W,size_t window_size);
-void hamming_window(float *W,size_t window_size);
-void blackman_window(float *W,size_t window_size);
-void sin_window(float *W,size_t window_size);
-void array_out(const char *name,float *a,size_t length);
+#define v_size 4
+#define SINKLIST "equalized_sinklist"
+#define EQDB "equalizer_db"
+#define EQ_STATE_DB "equalizer-state"
+#define FILTER_SIZE(u) ((u)->fft_size / 2 + 1)
+#define CHANNEL_PROFILE_SIZE(u) (FILTER_SIZE(u) + 1)
+#define FILTER_STATE_SIZE(u) (CHANNEL_PROFILE_SIZE(u) * (u)->channels)
+
+static void dbus_init(struct userdata *u);
+static void dbus_done(struct userdata *u);
+
+static void hanning_window(float *W, size_t window_size){
+ /* h=.5*(1-cos(2*pi*j/(window_size+1)), COLA for R=(M+1)/2 */
+ for (size_t i = 0; i < window_size; ++i)
+ W[i] = (float).5 * (1 - cos(2*M_PI*i / (window_size+1)));
+}
-static void dsp_logic(float *dst,struct userdata *u);
-static void process_samples(struct userdata *u);
-void input_buffer(struct userdata *u,pa_memchunk *in);
+static void fix_filter(float *H, size_t fft_size){
+ /* divide out the fft gain */
+ for (size_t i = 0; i < fft_size / 2 + 1; ++i)
+ H[i] /= fft_size;
+}
-#define gettime(x) clock_gettime(CLOCK_MONOTONIC,&x)
-#define tdiff(x,y) time_diff(&x,&y)
+static void interpolate(float *signal, size_t length, uint32_t *xs, float *ys, size_t n_points){
+ /* Note that xs must be monotonically increasing! */
+ float x_range_lower, x_range_upper, c0;
-uint64_t time_diff(struct timespec *timeA_p, struct timespec *timeB_p)
-{
- return ((timeA_p->tv_sec * 1000000000) + timeA_p->tv_nsec) -
- ((timeB_p->tv_sec * 1000000000) + timeB_p->tv_nsec);
-}
+ pa_assert(n_points >= 2);
+ pa_assert(xs[0] == 0);
+ pa_assert(xs[n_points - 1] == length - 1);
-void hanning_normalized_window(float *W,size_t window_size){
- //h = sqrt(2)/2 * (1+cos(t*pi)) ./ sqrt( 1+cos(t*pi).^2 )
- float c;
- for(size_t i=0;i<window_size;++i){
- c=cos(M_PI*i/(window_size-1));
- W[i]=sqrt(2.0)/2.0*(1.0+c) / sqrt(1.0+c*c);
- }
-}
-void hanning_window(float *W,size_t window_size){
- //h=.5*(1-cos(2*pi*j/(window_size+1)), COLA for R=(M+1)/2
- for(size_t i=0;i<window_size;++i){
- W[i]=.5*(1-cos(2*M_PI*i/(window_size+1)));
- }
-}
-void hamming_window(float *W,size_t window_size){
- //h=.54-.46*cos(2*pi*j/(window_size-1))
- //COLA for R=(M-1)/2,(M-1)/4 etc when endpoints are divided by 2
- //or one endpoint is zeroed
- float m;
- for(size_t i=0;i<window_size;++i){
- m=i;
- m/=(window_size-1);
- W[i]=.54-.46*cos(2*M_PI*m);
- }
- W[window_size-1]=0;
- //W[0]/=2;
- //W[window_size-1]/=2;
-}
-void blackman_window(float *W,size_t window_size){
- //h=.42-.5*cos(2*pi*m)+.08*cos(4*pi*m), m=(0:W-1)/(W-1)
- //COLA for R=(M-1)/3 when M is odd and R is an integer
- //R=M/3 when M is even and R is an integer
- float m;
- for(size_t i=0;i<window_size;++i){
- m=i;
- m/=(window_size-1);
- W[i]=.42-.5*cos(2*M_PI*m)+.08*cos(4*M_PI*m);
+ for (size_t x = 0, x_range_lower_i = 0; x < length-1; ++x) {
+ pa_assert(x_range_lower_i < n_points-1);
+
+ x_range_lower = (float) xs[x_range_lower_i];
+ x_range_upper = (float) xs[x_range_lower_i+1];
+
+ pa_assert_se(x_range_lower < x_range_upper);
+ pa_assert_se(x >= x_range_lower);
+ pa_assert_se(x <= x_range_upper);
+
+ /* bilinear-interpolation of coefficients specified */
+ c0 = (x-x_range_lower) / (x_range_upper-x_range_lower);
+ pa_assert(c0 >= 0 && c0 <= 1.0);
+
+ signal[x] = ((1.0f - c0) * ys[x_range_lower_i] + c0 * ys[x_range_lower_i + 1]);
+ while(x >= xs[x_range_lower_i + 1])
+ x_range_lower_i++;
}
+
+ signal[length-1] = ys[n_points-1];
}
+static pa_bool_t is_monotonic(const uint32_t *xs, size_t length) {
+ pa_assert(xs);
-void sin_window(float *W,size_t window_size){
- //h = (cos(t*pi)+1)/2 .* float(abs(t)<1);
- for(size_t i=0;i<window_size;++i){
- W[i]=sin(M_PI*i/(window_size-1));
- }
+ if (length < 2)
+ return TRUE;
+
+ for(size_t i = 1; i < length; ++i)
+ if (xs[i] <= xs[i-1])
+ return FALSE;
+
+ return TRUE;
}
+/* ensures memory allocated is a multiple of v_size and aligned */
+static void * alloc(size_t x, size_t s){
+ size_t f;
+ float *t;
+
+ f = PA_ROUND_UP(x*s, sizeof(float)*v_size);
+ pa_assert_se(t = fftwf_malloc(f));
+ pa_memzero(t, f);
-void array_out(const char *name,float *a,size_t length){
- FILE *p=fopen(name,"w");
- if(!p){
- pa_log("opening %s failed!",name);
+ return t;
+}
+
+static void alloc_input_buffers(struct userdata *u, size_t min_buffer_length){
+ if (min_buffer_length <= u->input_buffer_max)
return;
+
+ pa_assert(min_buffer_length >= u->window_size);
+ for (size_t c = 0; c < u->channels; ++c) {
+ float *tmp = alloc(min_buffer_length, sizeof(float));
+ if (u->input[c]) {
+ if (!u->first_iteration)
+ memcpy(tmp, u->input[c], u->overlap_size * sizeof(float));
+ free(u->input[c]);
+ }
+ u->input[c] = tmp;
}
- for(size_t i=0;i<length;++i){
- fprintf(p,"%e,",a[i]);
- //if(i%1000==0){
- // fprintf(p,"\n");
- //}
- }
- fprintf(p,"\n");
- fclose(p);
+ u->input_buffer_max = min_buffer_length;
}
-
/* Called from I/O thread context */
-static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
+static int sink_process_msg_cb(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
struct userdata *u = PA_SINK(o)->userdata;
switch (code) {
case PA_SINK_MESSAGE_GET_LATENCY: {
- pa_usec_t usec = 0;
- pa_sample_spec *ss=&u->sink->sample_spec;
- size_t fs=pa_frame_size(&(u->sink->sample_spec));
-
- /* Get the latency of the master sink */
- if (PA_MSGOBJECT(u->master)->process_msg(PA_MSGOBJECT(u->master), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
- usec = 0;
-
- usec+=pa_bytes_to_usec(u->R*fs,ss);
- //usec+=pa_bytes_to_usec(u->samples_gathered*fs,ss);
- usec += pa_bytes_to_usec(pa_memblockq_get_length(u->rendered_q), ss);
- /* Add the latency internal to our sink input on top */
- usec += pa_bytes_to_usec(pa_memblockq_get_length(u->sink_input->thread_info.render_memblockq), &u->master->sample_spec);
- *((pa_usec_t*) data) = usec;
+ //size_t fs=pa_frame_size(&u->sink->sample_spec);
+
+ /* The sink is _put() before the sink input is, so let's
+ * make sure we don't access it in that time. Also, the
+ * sink input is first shut down, the sink second. */
+ if (!PA_SINK_IS_LINKED(u->sink->thread_info.state) ||
+ !PA_SINK_INPUT_IS_LINKED(u->sink_input->thread_info.state)) {
+ *((pa_usec_t*) data) = 0;
+ return 0;
+ }
+
+ *((pa_usec_t*) data) =
+ /* Get the latency of the master sink */
+ pa_sink_get_latency_within_thread(u->sink_input->sink) +
+
+ /* Add the latency internal to our sink input on top */
+ pa_bytes_to_usec(pa_memblockq_get_length(u->output_q) +
+ pa_memblockq_get_length(u->input_q), &u->sink_input->sink->sample_spec) +
+ pa_bytes_to_usec(pa_memblockq_get_length(u->sink_input->thread_info.render_memblockq), &u->sink_input->sink->sample_spec);
+ // pa_bytes_to_usec(u->samples_gathered * fs, &u->sink->sample_spec);
+ //+ pa_bytes_to_usec(u->latency * fs, ss)
return 0;
}
}
/* Called from main context */
-static int sink_set_state(pa_sink *s, pa_sink_state_t state) {
+static int sink_set_state_cb(pa_sink *s, pa_sink_state_t state) {
struct userdata *u;
pa_sink_assert_ref(s);
pa_assert_se(u = s->userdata);
- if (PA_SINK_IS_LINKED(state) &&
- u->sink_input &&
- PA_SINK_INPUT_IS_LINKED(pa_sink_input_get_state(u->sink_input)))
-
- pa_sink_input_cork(u->sink_input, state == PA_SINK_SUSPENDED);
+ if (!PA_SINK_IS_LINKED(state) ||
+ !PA_SINK_INPUT_IS_LINKED(pa_sink_input_get_state(u->sink_input)))
+ return 0;
+ pa_sink_input_cork(u->sink_input, state == PA_SINK_SUSPENDED);
return 0;
}
/* Called from I/O thread context */
-static void sink_request_rewind(pa_sink *s) {
+static void sink_request_rewind_cb(pa_sink *s) {
struct userdata *u;
pa_sink_assert_ref(s);
pa_assert_se(u = s->userdata);
+ if (!PA_SINK_IS_LINKED(u->sink->thread_info.state) ||
+ !PA_SINK_INPUT_IS_LINKED(u->sink_input->thread_info.state))
+ return;
+
/* Just hand this one over to the master sink */
- pa_sink_input_request_rewind(u->sink_input, s->thread_info.rewind_nbytes + pa_memblockq_get_length(u->rendered_q), TRUE, FALSE, FALSE);
+ pa_sink_input_request_rewind(u->sink_input, s->thread_info.rewind_nbytes+pa_memblockq_get_length(u->input_q), TRUE, FALSE, FALSE);
}
/* Called from I/O thread context */
-static void sink_update_requested_latency(pa_sink *s) {
+static void sink_update_requested_latency_cb(pa_sink *s) {
struct userdata *u;
pa_sink_assert_ref(s);
pa_assert_se(u = s->userdata);
+ if (!PA_SINK_IS_LINKED(u->sink->thread_info.state) ||
+ !PA_SINK_INPUT_IS_LINKED(u->sink_input->thread_info.state))
+ return;
+
/* Just hand this one over to the master sink */
pa_sink_input_set_requested_latency_within_thread(
u->sink_input,
pa_sink_get_requested_latency_within_thread(s));
}
-static void process_samples(struct userdata *u){
+/* Called from main context */
+static void sink_set_volume_cb(pa_sink *s) {
+ struct userdata *u;
+
+ pa_sink_assert_ref(s);
+ pa_assert_se(u = s->userdata);
+
+ if (!PA_SINK_IS_LINKED(pa_sink_get_state(s)) ||
+ !PA_SINK_INPUT_IS_LINKED(pa_sink_input_get_state(u->sink_input)))
+ return;
+
+ pa_sink_input_set_volume(u->sink_input, &s->real_volume, s->save_volume, TRUE);
+}
+
+/* Called from main context */
+static void sink_set_mute_cb(pa_sink *s) {
+ struct userdata *u;
+
+ pa_sink_assert_ref(s);
+ pa_assert_se(u = s->userdata);
+
+ if (!PA_SINK_IS_LINKED(pa_sink_get_state(s)) ||
+ !PA_SINK_INPUT_IS_LINKED(pa_sink_input_get_state(u->sink_input)))
+ return;
+
+ pa_sink_input_set_mute(u->sink_input, s->muted, s->save_muted);
+}
+
+#if 1
+//reference implementation
+static void dsp_logic(
+ float * restrict dst,//used as a temp array too, needs to be fft_length!
+ float * restrict src,/*input data w/ overlap at start,
+ *automatically cycled in routine
+ */
+ float * restrict overlap,
+ const float X,//multiplier
+ const float * restrict H,//The freq. magnitude scalers filter
+ const float * restrict W,//The windowing function
+ fftwf_complex * restrict output_window,//The transformed windowed src
+ struct userdata *u){
+
+ //use a linear-phase sliding STFT and overlap-add method (for each channel)
+ //window the data
+ for(size_t j = 0; j < u->window_size; ++j){
+ dst[j] = X * W[j] * src[j];
+ }
+ //zero pad the remaining fft window
+ memset(dst + u->window_size, 0, (u->fft_size - u->window_size) * sizeof(float));
+ //Processing is done here!
+ //do fft
+ fftwf_execute_dft_r2c(u->forward_plan, dst, output_window);
+ //perform filtering
+ for(size_t j = 0; j < FILTER_SIZE(u); ++j){
+ u->output_window[j][0] *= H[j];
+ u->output_window[j][1] *= H[j];
+ }
+ //inverse fft
+ fftwf_execute_dft_c2r(u->inverse_plan, output_window, dst);
+ ////debug: tests overlapping add
+ ////and negates ALL PREVIOUS processing
+ ////yields a perfect reconstruction if COLA is held
+ //for(size_t j = 0; j < u->window_size; ++j){
+ // u->work_buffer[j] = u->W[j] * u->input[c][j];
+ //}
+
+ //overlap add and preserve overlap component from this window (linear phase)
+ for(size_t j = 0; j < u->overlap_size; ++j){
+ u->work_buffer[j] += overlap[j];
+ overlap[j] = dst[u->R + j];
+ }
+ ////debug: tests if basic buffering works
+ ////shouldn't modify the signal AT ALL (beyond roundoff)
+ //for(size_t j = 0; j < u->window_size;++j){
+ // u->work_buffer[j] = u->input[c][j];
+ //}
+
+ //preserve the needed input for the next window's overlap
+ memmove(src, src + u->R,
+ (u->samples_gathered - u->R) * sizeof(float)
+ );
+}
+#else
+typedef float v4sf __attribute__ ((__aligned__(v_size * sizeof(float))));
+typedef union float_vector {
+ float f[v_size];
+ v4sf v;
+ __m128 m;
+} float_vector_t;
+
+//regardless of sse enabled, the loops in here assume
+//16 byte aligned addresses and memory allocations divisible by v_size
+static void dsp_logic(
+ float * restrict dst,//used as a temp array too, needs to be fft_length!
+ float * restrict src,/*input data w/ overlap at start,
+ *automatically cycled in routine
+ */
+ float * restrict overlap,//The size of the overlap
+ const float X,//multiplier
+ const float * restrict H,//The freq. magnitude scalers filter
+ const float * restrict W,//The windowing function
+ fftwf_complex * restrict output_window,//The transformed windowed src
+ struct userdata *u){//Collection of constants
+ const size_t overlap_size = PA_ROUND_UP(u->overlap_size, v_size);
+ float_vector_t x;
+ x.f[0] = x.f[1] = x.f[2] = x.f[3] = X;
+
+ //assert(u->samples_gathered >= u->R);
+ //use a linear-phase sliding STFT and overlap-add method
+ for(size_t j = 0; j < u->window_size; j += v_size){
+ //dst[j] = W[j] * src[j];
+ float_vector_t *d = (float_vector_t*) (dst + j);
+ float_vector_t *w = (float_vector_t*) (W + j);
+ float_vector_t *s = (float_vector_t*) (src + j);
+//#if __SSE2__
+ d->m = _mm_mul_ps(x.m, _mm_mul_ps(w->m, s->m));
+// d->v = x->v * w->v * s->v;
+//#endif
+ }
+ //zero pad the remaining fft window
+ memset(dst + u->window_size, 0, (u->fft_size - u->window_size) * sizeof(float));
+
+ //Processing is done here!
+ //do fft
+ fftwf_execute_dft_r2c(u->forward_plan, dst, output_window);
+ //perform filtering - purely magnitude based
+ for(size_t j = 0; j < FILTER_SIZE; j += v_size / 2){
+ //output_window[j][0]*=H[j];
+ //output_window[j][1]*=H[j];
+ float_vector_t *d = (float_vector_t*)( ((float *) output_window) + 2 * j);
+ float_vector_t h;
+ h.f[0] = h.f[1] = H[j];
+ h.f[2] = h.f[3] = H[j + 1];
+//#if __SSE2__
+ d->m = _mm_mul_ps(d->m, h.m);
+//#else
+// d->v = d->v * h.v;
+//#endif
+ }
+
+ //inverse fft
+ fftwf_execute_dft_c2r(u->inverse_plan, output_window, dst);
+
+ ////debug: tests overlapping add
+ ////and negates ALL PREVIOUS processing
+ ////yields a perfect reconstruction if COLA is held
+ //for(size_t j = 0; j < u->window_size; ++j){
+ // dst[j] = W[j] * src[j];
+ //}
+
+ //overlap add and preserve overlap component from this window (linear phase)
+ for(size_t j = 0; j < overlap_size; j += v_size){
+ //dst[j]+=overlap[j];
+ //overlap[j]+=dst[j+R];
+ float_vector_t *d = (float_vector_t*)(dst + j);
+ float_vector_t *o = (float_vector_t*)(overlap + j);
+//#if __SSE2__
+ d->m = _mm_add_ps(d->m, o->m);
+ o->m = ((float_vector_t*)(dst + u->R + j))->m;
+//#else
+// d->v = d->v + o->v;
+// o->v = ((float_vector_t*)(dst + u->R + j))->v;
+//#endif
+ }
+ //memcpy(overlap, dst+u->R, u->overlap_size * sizeof(float)); //overlap preserve (debug)
+ //zero out the bit beyond the real overlap so we don't add garbage next iteration
+ memset(overlap + u->overlap_size, 0, overlap_size - u->overlap_size);
+
+ ////debug: tests if basic buffering works
+ ////shouldn't modify the signal AT ALL (beyond roundoff)
+ //for(size_t j = 0; j < u->window_size; ++j){
+ // dst[j] = src[j];
+ //}
+
+ //preserve the needed input for the next window's overlap
+ memmove(src, src + u->R,
+ (u->samples_gathered - u->R) * sizeof(float)
+ );
+}
+#endif
+
+static void flatten_to_memblockq(struct userdata *u){
+ size_t mbs = pa_mempool_block_size_max(u->sink->core->mempool);
pa_memchunk tchunk;
- size_t fs=pa_frame_size(&(u->sink->sample_spec));
- while(u->samples_gathered>=u->R){
- float *dst;
- //pa_log("iter gathered: %ld",u->samples_gathered);
- //pa_memblockq_drop(u->rendered_q, tchunk.length);
- tchunk.index=0;
- tchunk.length=u->R*fs;
- tchunk.memblock=pa_memblock_new(u->core->mempool,tchunk.length);
- dst=((float*)pa_memblock_acquire(tchunk.memblock));
- dsp_logic(dst,u);
+ char *dst;
+ size_t i = 0;
+ while(i < u->output_buffer_length){
+ tchunk.index = 0;
+ tchunk.length = PA_MIN((u->output_buffer_length - i), mbs);
+ tchunk.memblock = pa_memblock_new(u->sink->core->mempool, tchunk.length);
+ //pa_log_debug("pushing %ld into the q", tchunk.length);
+ dst = pa_memblock_acquire(tchunk.memblock);
+ memcpy(dst, u->output_buffer + i, tchunk.length);
pa_memblock_release(tchunk.memblock);
- pa_memblockq_push(u->rendered_q, &tchunk);
+ pa_memblockq_push(u->output_q, &tchunk);
pa_memblock_unref(tchunk.memblock);
- u->samples_gathered-=u->R;
+ i += tchunk.length;
}
}
-static void dsp_logic(float *dst,struct userdata *u){
- size_t fs=pa_frame_size(&(u->sink->sample_spec));
- //use a linear-phase sliding STFT and overlap-add method (for each channel)
- for (size_t c=0;c<u->channels;c++) {
- //zero padd the data
- memset(u->work_buffer+u->window_size,0,(u->fft_size-u->window_size)*sizeof(float));
- //window the data
- for(size_t j=0;j<u->window_size;++j){
- u->work_buffer[j]=u->W[j]*u->input[c][j];
- }
- //Processing is done here!
- //do fft
- fftwf_execute_dft_r2c(u->forward_plan,u->work_buffer,u->output_window);
- //perform filtering
- for(size_t j=0;j<u->fft_size/2+1;++j){
- u->output_window[j][0]*=u->H[j];
- u->output_window[j][1]*=u->H[j];
- }
- //inverse fft
- fftwf_execute_dft_c2r(u->inverse_plan,u->output_window,u->work_buffer);
- ////debug: tests overlaping add
- ////and negates ALL PREVIOUS processing
- ////yields a perfect reconstruction if COLA is held
- //for(size_t j=0;j<u->window_size;++j){
- // u->work_buffer[j]=u->W[j]*u->input[c][j];
- //}
-
- //overlap add and preserve overlap component from this window (linear phase)
- for(size_t j=0;j<u->R;++j){
- u->work_buffer[j]+=u->overlap_accum[c][j];
- u->overlap_accum[c][j]=u->work_buffer[u->overlap_size+j];
+static void process_samples(struct userdata *u){
+ size_t fs = pa_frame_size(&(u->sink->sample_spec));
+ unsigned a_i;
+ float *H, X;
+ size_t iterations, offset;
+ pa_assert(u->samples_gathered >= u->window_size);
+ iterations = (u->samples_gathered - u->overlap_size) / u->R;
+ //make sure there is enough buffer memory allocated
+ if(iterations * u->R * fs > u->output_buffer_max_length){
+ u->output_buffer_max_length = iterations * u->R * fs;
+ pa_xfree(u->output_buffer);
+ u->output_buffer = pa_xmalloc(u->output_buffer_max_length);
+ }
+ u->output_buffer_length = iterations * u->R * fs;
+
+ for(size_t iter = 0; iter < iterations; ++iter){
+ offset = iter * u->R * fs;
+ for(size_t c = 0;c < u->channels; c++) {
+ a_i = pa_aupdate_read_begin(u->a_H[c]);
+ X = u->Xs[c][a_i];
+ H = u->Hs[c][a_i];
+ dsp_logic(
+ u->work_buffer,
+ u->input[c],
+ u->overlap_accum[c],
+ X,
+ H,
+ u->W,
+ u->output_window,
+ u
+ );
+ pa_aupdate_read_end(u->a_H[c]);
+ if(u->first_iteration){
+ /* The windowing function will make the audio ramped in, as a cheap fix we can
+ * undo the windowing (for non-zero window values)
+ */
+ for(size_t i = 0; i < u->overlap_size; ++i){
+ u->work_buffer[i] = u->W[i] <= FLT_EPSILON ? u->work_buffer[i] : u->work_buffer[i] / u->W[i];
+ }
+ }
+ pa_sample_clamp(PA_SAMPLE_FLOAT32NE, (uint8_t *) (((float *)u->output_buffer) + c) + offset, fs, u->work_buffer, sizeof(float), u->R);
}
-
- //debug: tests if basic buffering works
- //shouldn't modify the signal AT ALL (beyond roundoff)
- for(size_t j=0;j<u->window_size;++j){
- u->work_buffer[j]=u->input[c][j];
+ if(u->first_iteration){
+ u->first_iteration = FALSE;
}
-
- //preseve the needed input for the next window's overlap
- memmove(u->input[c],u->input[c]+u->R,
- (u->samples_gathered+u->overlap_size-u->R)*sizeof(float)
- );
- //output the samples that are outputable now
- pa_sample_clamp(PA_SAMPLE_FLOAT32NE,dst+c,fs,u->work_buffer,sizeof(float),u->R);
+ u->samples_gathered -= u->R;
}
+ flatten_to_memblockq(u);
}
-void input_buffer(struct userdata *u,pa_memchunk *in){
- size_t fs=pa_frame_size(&(u->sink->sample_spec));
- size_t samples=in->length/fs;
- pa_assert_se(samples<=u->target_samples-u->samples_gathered);
+static void input_buffer(struct userdata *u, pa_memchunk *in){
+ size_t fs = pa_frame_size(&(u->sink->sample_spec));
+ size_t samples = in->length/fs;
float *src = (float*) ((uint8_t*) pa_memblock_acquire(in->memblock) + in->index);
- for (size_t c=0;c<u->channels;c++) {
+ pa_assert(u->samples_gathered + samples <= u->input_buffer_max);
+ for(size_t c = 0; c < u->channels; c++) {
//buffer with an offset after the overlap from previous
//iterations
pa_assert_se(
- u->input[c]+u->overlap_size+u->samples_gathered+samples<=u->input[c]+u->target_samples+u->overlap_size
+ u->input[c] + u->samples_gathered + samples <= u->input[c] + u->input_buffer_max
);
- pa_sample_clamp(PA_SAMPLE_FLOAT32NE,u->input[c]+u->overlap_size+u->samples_gathered,sizeof(float),src+c,fs,samples);
+ pa_sample_clamp(PA_SAMPLE_FLOAT32NE, u->input[c] + u->samples_gathered, sizeof(float), src + c, fs, samples);
}
- u->samples_gathered+=samples;
+ u->samples_gathered += samples;
pa_memblock_release(in->memblock);
}
/* Called from I/O thread context */
static int sink_input_pop_cb(pa_sink_input *i, size_t nbytes, pa_memchunk *chunk) {
struct userdata *u;
+ size_t fs, target_samples;
+ size_t mbs;
+ //struct timeval start, end;
+ pa_memchunk tchunk;
+
pa_sink_input_assert_ref(i);
- pa_assert(chunk);
pa_assert_se(u = i->userdata);
- pa_assert_se(u->sink);
- size_t fs=pa_frame_size(&(u->sink->sample_spec));
- size_t samples_requested=nbytes/fs;
- size_t buffered_samples=pa_memblockq_get_length(u->rendered_q)/fs;
- pa_memchunk tchunk;
- chunk->memblock=NULL;
- if (!u->sink || !PA_SINK_IS_OPENED(u->sink->thread_info.state))
- return -1;
+ pa_assert(chunk);
+ pa_assert(u->sink);
- pa_log("start output-buffered %ld, input-buffered %ld, requested %ld",buffered_samples,u->samples_gathered,samples_requested);
- struct timespec start,end;
+ /* FIXME: Please clean this up. I see more commented code lines
+ * than uncommented code lines. I am sorry, but I am too dumb to
+ * understand this. */
- if(pa_memblockq_peek(u->rendered_q,&tchunk)==0){
- *chunk=tchunk;
- pa_memblockq_drop(u->rendered_q, chunk->length);
- return 0;
+ fs = pa_frame_size(&(u->sink->sample_spec));
+ mbs = pa_mempool_block_size_max(u->sink->core->mempool);
+ if(pa_memblockq_get_length(u->output_q) > 0){
+ //pa_log_debug("qsize is %ld", pa_memblockq_get_length(u->output_q));
+ goto END;
+ }
+ //nbytes = PA_MIN(nbytes, pa_mempool_block_size_max(u->sink->core->mempool));
+ target_samples = PA_ROUND_UP(nbytes / fs, u->R);
+ ////pa_log_debug("vanilla mbs = %ld",mbs);
+ //mbs = PA_ROUND_DOWN(mbs / fs, u->R);
+ //mbs = PA_MAX(mbs, u->R);
+ //target_samples = PA_MAX(target_samples, mbs);
+ //pa_log_debug("target samples: %ld", target_samples);
+ if(u->first_iteration){
+ //allocate request_size
+ target_samples = PA_MAX(target_samples, u->window_size);
+ }else{
+ //allocate request_size + overlap
+ target_samples += u->overlap_size;
}
+ alloc_input_buffers(u, target_samples);
+ //pa_log_debug("post target samples: %ld", target_samples);
+ chunk->memblock = NULL;
+
+ /* Hmm, process any rewind request that might be queued up */
+ pa_sink_process_rewind(u->sink, 0);
+
+ //pa_log_debug("start output-buffered %ld, input-buffered %ld, requested %ld",buffered_samples,u->samples_gathered,samples_requested);
+ //pa_rtclock_get(&start);
do{
- pa_memchunk *buffer;
- size_t input_remaining=u->target_samples-u->samples_gathered;
- pa_assert(input_remaining>0);
- //collect samples
-
- //buffer=&u->conv_buffer;
- //buffer->length=input_remaining*fs;
- //buffer->index=0;
- //pa_memblock_ref(buffer);
- //pa_sink_render_into(u->sink,buffer);
-
- if(u->sink->thread_info.rewind_requested)
- sink_request_rewind(u->sink);
-
- pa_memchunk p;
- buffer=&p;
- pa_sink_render(u->sink,u->R*fs,buffer);
- buffer->length=PA_MIN(input_remaining*fs,buffer->length);
-
- //debug block
- //pa_memblockq_push(u->rendered_q,buffer);
- //pa_memblock_unref(buffer->memblock);
- //goto END;
-
- pa_log("asked for %ld input samples, got %ld samples",input_remaining,buffer->length/fs);
- //copy new input
- gettime(start);
- input_buffer(u,buffer);
- gettime(end);
- pa_log("Took %0.5f seconds to setup",tdiff(end,start)*1e-9);
-
- pa_memblock_unref(buffer->memblock);
-
- pa_assert_se(u->fft_size>=u->window_size);
- pa_assert_se(u->R<u->window_size);
- //process every complete block on hand
-
- gettime(start);
- process_samples(u);
- gettime(end);
- pa_log("Took %0.5f seconds to process",tdiff(end,start)*1e-9);
-
- buffered_samples=pa_memblockq_get_length(u->rendered_q)/fs;
- }while(buffered_samples<u->R);
-
- //deque from rendered_q and output
- pa_assert_se(pa_memblockq_peek(u->rendered_q,&tchunk)==0);
- *chunk=tchunk;
- pa_memblockq_drop(u->rendered_q, chunk->length);
- //if(tchunk.length>=nbytes){
- //chunk->length=PA_MIN(tchunk.length,nbytes);
- //}else{
- // size_t copied=0;
- // chunk->index=0;
- // chunk->length=PA_MIN(nbytes,pa_memblockq_get_length(u->rendered_q));
- // chunk->memblock=pa_memblock_new(u->core->mempool,chunk->length);
- // uint8_t *dst=(uint8_t*)pa_memblock_acquire(chunk->memblock);
- // for(;;){
- // size_t l=PA_MIN(tchunk.length,nbytes-copied);
- // pa_assert_se(l>0);
- // uint8_t *src=(((uint8_t*)pa_memblock_acquire(tchunk.memblock))+tchunk.index);
- // memmove(dst+copied,src,l);
- // copied+=l;
- // pa_memblock_release(tchunk.memblock);
- // pa_memblock_unref(tchunk.memblock);
- // pa_memblockq_drop(u->rendered_q,l);
- // if(copied<chunk->length){
- // pa_assert_se(pa_memblockq_peek(u->rendered_q,&tchunk)==0);
- // }else{
- // break;
- // }
- // }
- // pa_memblock_release(chunk->memblock);
- //}
- pa_assert_se(chunk->memblock);
- pa_log("gave %ld",chunk->length/fs);
- //pa_log("end pop");
+ size_t input_remaining = target_samples - u->samples_gathered;
+ // pa_log_debug("input remaining %ld samples", input_remaining);
+ pa_assert(input_remaining > 0);
+ while (pa_memblockq_peek(u->input_q, &tchunk) < 0) {
+ //pa_sink_render(u->sink, input_remaining * fs, &tchunk);
+ pa_sink_render_full(u->sink, PA_MIN(input_remaining * fs, mbs), &tchunk);
+ pa_memblockq_push(u->input_q, &tchunk);
+ pa_memblock_unref(tchunk.memblock);
+ }
+ pa_assert(tchunk.memblock);
+
+ tchunk.length = PA_MIN(input_remaining * fs, tchunk.length);
+
+ pa_memblockq_drop(u->input_q, tchunk.length);
+ //pa_log_debug("asked for %ld input samples, got %ld samples",input_remaining,buffer->length/fs);
+ /* copy new input */
+ //pa_rtclock_get(start);
+ // pa_log_debug("buffering %ld bytes", tchunk.length);
+ input_buffer(u, &tchunk);
+ //pa_rtclock_get(&end);
+ //pa_log_debug("Took %0.5f seconds to setup", pa_timeval_diff(end, start) / (double) PA_USEC_PER_SEC);
+ pa_memblock_unref(tchunk.memblock);
+ } while(u->samples_gathered < target_samples);
+
+ //pa_rtclock_get(&end);
+ //pa_log_debug("Took %0.6f seconds to get data", (double) pa_timeval_diff(&end, &start) / PA_USEC_PER_SEC);
+
+ pa_assert(u->fft_size >= u->window_size);
+ pa_assert(u->R < u->window_size);
+ //pa_rtclock_get(&start);
+ /* process a block */
+ process_samples(u);
+ //pa_rtclock_get(&end);
+ //pa_log_debug("Took %0.6f seconds to process", (double) pa_timeval_diff(&end, &start) / PA_USEC_PER_SEC);
+END:
+ pa_assert_se(pa_memblockq_peek(u->output_q, chunk) >= 0);
+ pa_assert(chunk->memblock);
+ pa_memblockq_drop(u->output_q, chunk->length);
+
+ /** FIXME: Uh? you need to unref the chunk here! */
+
+ //pa_log_debug("gave %ld", chunk->length/fs);
+ //pa_log_debug("end pop");
return 0;
}
+/* Called from main context */
+static void sink_input_volume_changed_cb(pa_sink_input *i) {
+ struct userdata *u;
+
+ pa_sink_input_assert_ref(i);
+ pa_assert_se(u = i->userdata);
+
+ pa_sink_volume_changed(u->sink, &i->volume);
+}
+
+/* Called from main context */
+static void sink_input_mute_changed_cb(pa_sink_input *i) {
+ struct userdata *u;
+
+ pa_sink_input_assert_ref(i);
+ pa_assert_se(u = i->userdata);
+
+ pa_sink_mute_changed(u->sink, i->muted);
+}
+
+#if 0
+static void reset_filter(struct userdata *u){
+ size_t fs = pa_frame_size(&u->sink->sample_spec);
+ size_t max_request;
+
+ u->samples_gathered = 0;
+
+ for(size_t i = 0; i < u->channels; ++i)
+ pa_memzero(u->overlap_accum[i], u->overlap_size * sizeof(float));
+
+ u->first_iteration = TRUE;
+ //set buffer size to max request, no overlap copy
+ max_request = PA_ROUND_UP(pa_sink_input_get_max_request(u->sink_input) / fs , u->R);
+ max_request = PA_MAX(max_request, u->window_size);
+ pa_sink_set_max_request_within_thread(u->sink, max_request * fs);
+}
+#endif
+
/* Called from I/O thread context */
static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes) {
struct userdata *u;
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_OPENED(u->sink->thread_info.state))
- return;
-
if (u->sink->thread_info.rewind_nbytes > 0) {
size_t max_rewrite;
- max_rewrite = nbytes + pa_memblockq_get_length(u->rendered_q);
+ //max_rewrite = nbytes;
+ max_rewrite = nbytes + pa_memblockq_get_length(u->input_q);
+ //PA_MIN(pa_memblockq_get_length(u->input_q), nbytes);
amount = PA_MIN(u->sink->thread_info.rewind_nbytes, max_rewrite);
u->sink->thread_info.rewind_nbytes = 0;
if (amount > 0) {
- //pa_sample_spec *ss=&u->sink->sample_spec;
- pa_memblockq_seek(u->rendered_q, - (int64_t) amount, PA_SEEK_RELATIVE, TRUE);
- pa_log_debug("Resetting equalizer");
- u->samples_gathered=0;
+ //invalidate the output q
+ pa_memblockq_seek(u->input_q, - (int64_t) amount, PA_SEEK_RELATIVE, TRUE);
+ pa_log("Resetting filter");
+ //reset_filter(u); //this is the "proper" thing to do...
}
}
pa_sink_process_rewind(u->sink, amount);
- pa_memblockq_rewind(u->rendered_q, nbytes);
+ pa_memblockq_rewind(u->input_q, nbytes);
}
/* Called from I/O thread context */
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_LINKED(u->sink->thread_info.state))
- return;
-
- pa_memblockq_set_maxrewind(u->rendered_q, nbytes);
+ pa_memblockq_set_maxrewind(u->input_q, nbytes);
pa_sink_set_max_rewind_within_thread(u->sink, nbytes);
}
/* Called from I/O thread context */
static void sink_input_update_max_request_cb(pa_sink_input *i, size_t nbytes) {
struct userdata *u;
+ size_t fs;
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_LINKED(u->sink->thread_info.state))
- return;
-
- size_t fs=pa_frame_size(&(u->sink->sample_spec));
- pa_sink_set_max_request_within_thread(u->sink, u->R*fs);
+ fs = pa_frame_size(&u->sink_input->sample_spec);
+ pa_sink_set_max_request_within_thread(u->sink, PA_ROUND_UP(nbytes / fs, u->R) * fs);
}
/* Called from I/O thread context */
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_LINKED(u->sink->thread_info.state))
- return;
+ pa_sink_set_latency_range_within_thread(u->sink, i->sink->thread_info.min_latency, i->sink->thread_info.max_latency);
+}
+
+/* Called from I/O thread context */
+static void sink_input_update_sink_fixed_latency_cb(pa_sink_input *i) {
+ struct userdata *u;
+
+ pa_sink_input_assert_ref(i);
+ pa_assert_se(u = i->userdata);
- size_t fs=pa_frame_size(&(u->sink->sample_spec));
- pa_sink_set_latency_range_within_thread(u->sink,u->R*fs ,u->R*fs );
- //pa_sink_set_latency_range_within_thread(u->sink, i->sink->thread_info.min_latency, i->sink->thread_info.max_latency);
+ pa_sink_set_fixed_latency_within_thread(u->sink, i->sink->thread_info.fixed_latency);
}
/* Called from I/O thread context */
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_LINKED(u->sink->thread_info.state))
- return;
-
pa_sink_detach_within_thread(u->sink);
- pa_sink_set_asyncmsgq(u->sink, NULL);
+
pa_sink_set_rtpoll(u->sink, NULL);
}
/* Called from I/O thread context */
static void sink_input_attach_cb(pa_sink_input *i) {
struct userdata *u;
+ size_t fs, max_request;
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_LINKED(u->sink->thread_info.state))
- return;
+ pa_sink_set_rtpoll(u->sink, i->sink->thread_info.rtpoll);
+ pa_sink_set_latency_range_within_thread(u->sink, i->sink->thread_info.min_latency, i->sink->thread_info.max_latency);
+ pa_sink_set_fixed_latency_within_thread(u->sink, i->sink->thread_info.fixed_latency);
- pa_sink_set_asyncmsgq(u->sink, i->sink->asyncmsgq);
- pa_sink_set_rtpoll(u->sink, i->sink->rtpoll);
- pa_sink_attach_within_thread(u->sink);
+ fs = pa_frame_size(&u->sink_input->sample_spec);
+ /* set buffer size to max request, no overlap copy */
+ max_request = PA_ROUND_UP(pa_sink_input_get_max_request(u->sink_input) / fs, u->R);
+ max_request = PA_MAX(max_request, u->window_size);
+
+ pa_sink_set_max_request_within_thread(u->sink, max_request * fs);
+ pa_sink_set_max_rewind_within_thread(u->sink, pa_sink_input_get_max_rewind(i));
- size_t fs=pa_frame_size(&(u->sink->sample_spec));
- pa_sink_set_latency_range_within_thread(u->sink, u->R*fs, u->R*fs);
- //pa_sink_set_latency_range_within_thread(u->sink, u->master->thread_info.min_latency, u->master->thread_info.max_latency);
+ pa_sink_attach_within_thread(u->sink);
}
/* Called from main context */
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- pa_sink_unlink(u->sink);
+ /* The order here matters! We first kill the sink input, followed
+ * by the sink. That means the sink callbacks must be protected
+ * against an unconnected sink input! */
pa_sink_input_unlink(u->sink_input);
+ pa_sink_unlink(u->sink);
- pa_sink_unref(u->sink);
- u->sink = NULL;
pa_sink_input_unref(u->sink_input);
u->sink_input = NULL;
+ pa_sink_unref(u->sink);
+ u->sink = NULL;
+
pa_module_unload_request(u->module, TRUE);
}
}
}
+static void pack(char **strs, size_t len, char **packed, size_t *length){
+ size_t t_len = 0;
+ size_t headers = (1+len) * sizeof(uint16_t);
+ char *p;
+ for(size_t i = 0; i < len; ++i){
+ t_len += strlen(strs[i]);
+ }
+ *length = headers + t_len;
+ p = *packed = pa_xmalloc0(*length);
+ *((uint16_t *) p) = (uint16_t) len;
+ p += sizeof(uint16_t);
+ for(size_t i = 0; i < len; ++i){
+ uint16_t l = strlen(strs[i]);
+ *((uint16_t *) p) = (uint16_t) l;
+ p += sizeof(uint16_t);
+ memcpy(p, strs[i], l);
+ p += l;
+ }
+}
+static void unpack(char *str, size_t length, char ***strs, size_t *len){
+ char *p = str;
+ *len = *((uint16_t *) p);
+ p += sizeof(uint16_t);
+ *strs = pa_xnew(char *, *len);
+
+ for(size_t i = 0; i < *len; ++i){
+ size_t l = *((uint16_t *) p);
+ p += sizeof(uint16_t);
+ (*strs)[i] = pa_xnew(char, l + 1);
+ memcpy((*strs)[i], p, l);
+ (*strs)[i][l] = '\0';
+ p += l;
+ }
+}
+static void save_profile(struct userdata *u, size_t channel, char *name){
+ unsigned a_i;
+ const size_t profile_size = CHANNEL_PROFILE_SIZE(u) * sizeof(float);
+ float *H_n, *profile;
+ const float *H;
+ pa_datum key, data;
+ profile = pa_xnew0(float, profile_size);
+ a_i = pa_aupdate_read_begin(u->a_H[channel]);
+ profile[0] = u->Xs[a_i][channel];
+ H = u->Hs[channel][a_i];
+ H_n = profile + 1;
+ for(size_t i = 0 ; i < FILTER_SIZE(u); ++i){
+ H_n[i] = H[i] * u->fft_size;
+ //H_n[i] = H[i];
+ }
+ pa_aupdate_read_end(u->a_H[channel]);
+ key.data=name;
+ key.size = strlen(key.data);
+ data.data = profile;
+ data.size = profile_size;
+ pa_database_set(u->database, &key, &data, TRUE);
+ pa_database_sync(u->database);
+ if(u->base_profiles[channel]){
+ pa_xfree(u->base_profiles[channel]);
+ }
+ u->base_profiles[channel] = pa_xstrdup(name);
+}
+
+static void save_state(struct userdata *u){
+ unsigned a_i;
+ const size_t filter_state_size = FILTER_STATE_SIZE(u) * sizeof(float);
+ float *H_n, *state;
+ float *H;
+ pa_datum key, data;
+ pa_database *database;
+ char *dbname;
+ char *packed;
+ size_t packed_length;
+
+ pack(u->base_profiles, u->channels, &packed, &packed_length);
+ state = (float *) pa_xmalloc0(filter_state_size + packed_length);
+ memcpy(state + FILTER_STATE_SIZE(u), packed, packed_length);
+ pa_xfree(packed);
+
+ for(size_t c = 0; c < u->channels; ++c){
+ a_i = pa_aupdate_read_begin(u->a_H[c]);
+ state[c * CHANNEL_PROFILE_SIZE(u)] = u->Xs[c][a_i];
+ H = u->Hs[c][a_i];
+ H_n = &state[c * CHANNEL_PROFILE_SIZE(u) + 1];
+ memcpy(H_n, H, FILTER_SIZE(u) * sizeof(float));
+ pa_aupdate_read_end(u->a_H[c]);
+ }
+
+ key.data = u->sink->name;
+ key.size = strlen(key.data);
+ data.data = state;
+ data.size = filter_state_size + packed_length;
+ //thread safety for 0.9.17?
+ pa_assert_se(dbname = pa_state_path(EQ_STATE_DB, FALSE));
+ pa_assert_se(database = pa_database_open(dbname, TRUE));
+ pa_xfree(dbname);
+
+ pa_database_set(database, &key, &data, TRUE);
+ pa_database_sync(database);
+ pa_database_close(database);
+ pa_xfree(state);
+}
+
+static void remove_profile(pa_core *c, char *name){
+ pa_datum key;
+ pa_database *database;
+ key.data = name;
+ key.size = strlen(key.data);
+ pa_assert_se(database = pa_shared_get(c, EQDB));
+ pa_database_unset(database, &key);
+ pa_database_sync(database);
+}
+
+static const char* load_profile(struct userdata *u, size_t channel, char *name){
+ unsigned a_i;
+ pa_datum key, value;
+ const size_t profile_size = CHANNEL_PROFILE_SIZE(u) * sizeof(float);
+ key.data = name;
+ key.size = strlen(key.data);
+ if(pa_database_get(u->database, &key, &value) != NULL){
+ if(value.size == profile_size){
+ float *profile = (float *) value.data;
+ a_i = pa_aupdate_write_begin(u->a_H[channel]);
+ u->Xs[channel][a_i] = profile[0];
+ memcpy(u->Hs[channel][a_i], profile + 1, FILTER_SIZE(u) * sizeof(float));
+ fix_filter(u->Hs[channel][a_i], u->fft_size);
+ pa_aupdate_write_end(u->a_H[channel]);
+ pa_xfree(u->base_profiles[channel]);
+ u->base_profiles[channel] = pa_xstrdup(name);
+ }else{
+ return "incompatible size";
+ }
+ pa_datum_free(&value);
+ }else{
+ return "profile doesn't exist";
+ }
+ return NULL;
+}
+
+static void load_state(struct userdata *u){
+ unsigned a_i;
+ float *H;
+ pa_datum key, value;
+ pa_database *database;
+ char *dbname;
+ pa_assert_se(dbname = pa_state_path(EQ_STATE_DB, FALSE));
+ database = pa_database_open(dbname, FALSE);
+ pa_xfree(dbname);
+ if(!database){
+ pa_log("No resume state");
+ return;
+ }
+
+ key.data = u->sink->name;
+ key.size = strlen(key.data);
+
+ if(pa_database_get(database, &key, &value) != NULL){
+ if(value.size > FILTER_STATE_SIZE(u) * sizeof(float) + sizeof(uint16_t)){
+ float *state = (float *) value.data;
+ size_t n_profs;
+ char **names;
+ for(size_t c = 0; c < u->channels; ++c){
+ a_i = pa_aupdate_write_begin(u->a_H[c]);
+ H = state + c * CHANNEL_PROFILE_SIZE(u) + 1;
+ u->Xs[c][a_i] = state[c * CHANNEL_PROFILE_SIZE(u)];
+ memcpy(u->Hs[c][a_i], H, FILTER_SIZE(u) * sizeof(float));
+ pa_aupdate_write_end(u->a_H[c]);
+ }
+ unpack(((char *)value.data) + FILTER_STATE_SIZE(u) * sizeof(float), value.size - FILTER_STATE_SIZE(u) * sizeof(float), &names, &n_profs);
+ n_profs = PA_MIN(n_profs, u->channels);
+ for(size_t c = 0; c < n_profs; ++c){
+ pa_xfree(u->base_profiles[c]);
+ u->base_profiles[c] = names[c];
+ }
+ pa_xfree(names);
+ }
+ pa_datum_free(&value);
+ }else{
+ pa_log("resume state exists but is wrong size!");
+ }
+ pa_database_close(database);
+}
+
/* Called from main context */
static pa_bool_t sink_input_may_move_to_cb(pa_sink_input *i, pa_sink *dest) {
struct userdata *u;
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
+ if (u->autoloaded)
+ return FALSE;
+
return u->sink != dest;
}
+/* Called from main context */
+static void sink_input_moving_cb(pa_sink_input *i, pa_sink *dest) {
+ struct userdata *u;
+
+ pa_sink_input_assert_ref(i);
+ pa_assert_se(u = i->userdata);
+
+ if (dest) {
+ pa_sink_set_asyncmsgq(u->sink, dest->asyncmsgq);
+ pa_sink_update_flags(u->sink, PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY, dest->flags);
+ } else
+ pa_sink_set_asyncmsgq(u->sink, NULL);
+}
+
int pa__init(pa_module*m) {
struct userdata *u;
pa_sample_spec ss;
pa_sink *master;
pa_sink_input_new_data sink_input_data;
pa_sink_new_data sink_data;
- pa_bool_t *use_default = NULL;
- size_t fs;
+ size_t i;
+ unsigned c;
+ float *H;
+ unsigned a_i;
+ pa_bool_t use_volume_sharing = TRUE;
pa_assert(m);
goto fail;
}
- if (!(master = pa_namereg_get(m->core, pa_modargs_get_value(ma, "master", NULL), PA_NAMEREG_SINK))) {
+ if (!(master = pa_namereg_get(m->core, pa_modargs_get_value(ma, "sink_master", NULL), PA_NAMEREG_SINK))) {
pa_log("Master sink not found");
goto fail;
}
pa_log("Invalid sample format specification or channel map");
goto fail;
}
- fs=pa_frame_size(&ss);
+
+ //fs = pa_frame_size(&ss);
+
+ if (pa_modargs_get_value_boolean(ma, "use_volume_sharing", &use_volume_sharing) < 0) {
+ pa_log("use_volume_sharing= expects a boolean argument");
+ goto fail;
+ }
u = pa_xnew0(struct userdata, 1);
- u->core = m->core;
u->module = m;
m->userdata = u;
- u->master = master;
- u->sink = NULL;
- u->sink_input = NULL;
- u->channels=ss.channels;
- u->fft_size=pow(2,ceil(log(ss.rate)/log(2)));
- pa_log("fft size: %ld",u->fft_size);
- u->window_size=7999;
- u->R=(u->window_size+1)/2;
- u->overlap_size=u->window_size-u->R;
- u->target_samples=1*u->R;
- u->samples_gathered=0;
- u->max_output=pa_frame_align(pa_mempool_block_size_max(m->core->mempool), &ss)/pa_frame_size(&ss);
- u->rendered_q = pa_memblockq_new(0, MEMBLOCKQ_MAXLENGTH,u->target_samples*fs, fs, fs, 0, 0, NULL);
- u->conv_buffer.memblock=pa_memblock_new(u->core->mempool,u->target_samples*fs);
-
-
- u->H=(float*) fftwf_malloc((u->fft_size/2+1)*sizeof(float));
- u->W=(float*) fftwf_malloc((u->window_size)*sizeof(float));
- u->work_buffer=(float*) fftwf_malloc(u->fft_size*sizeof(float));
- u->input=(float **)malloc(sizeof(float *)*u->channels);
- u->overlap_accum=(float **)malloc(sizeof(float *)*u->channels);
- u->output_buffer=(float **)malloc(sizeof(float *)*u->channels);
- for(size_t c=0;c<u->channels;++c){
- u->input[c]=(float*) fftwf_malloc((u->target_samples+u->overlap_size)*sizeof(float));
- pa_assert_se(u->input[c]);
- memset(u->input[c],0,(u->target_samples+u->overlap_size)*sizeof(float));
- pa_assert_se(u->input[c]);
- u->overlap_accum[c]=(float*) fftwf_malloc(u->R*sizeof(float));
- pa_assert_se(u->overlap_accum[c]);
- memset(u->overlap_accum[c],0,u->R*sizeof(float));
- u->output_buffer[c]=(float*) fftwf_malloc(u->window_size*sizeof(float));
- pa_assert_se(u->output_buffer[c]);
- }
- u->output_window = (fftwf_complex *) fftwf_malloc(sizeof(fftwf_complex) * (u->fft_size/2+1));
- u->forward_plan=fftwf_plan_dft_r2c_1d(u->fft_size, u->work_buffer, u->output_window, FFTW_ESTIMATE);
- u->inverse_plan=fftwf_plan_dft_c2r_1d(u->fft_size, u->output_window, u->work_buffer, FFTW_ESTIMATE);
- /*
- for(size_t j=0;j<u->window_size;++j){
- u->W[j]=.5;
- }
- */
- hanning_window(u->W,u->window_size);
-
- const int freqs[]={0,25,50,100,200,300,400,800,1500,
- 2000,3000,4000,5000,6000,7000,8000,9000,10000,11000,12000,
- 13000,14000,15000,16000,17000,18000,19000,20000,21000,22000,23000,24000,INT_MAX};
- const float coefficients[]={1,1,1,1,1,1,1,1,1,1,
- 1,1,1,1,1,1,1,1,
- 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1};
- const size_t ncoefficients=sizeof(coefficients)/sizeof(float);
- pa_assert_se(sizeof(freqs)/sizeof(int)==sizeof(coefficients)/sizeof(float));
- float *freq_translated=(float *) malloc(sizeof(float)*(ncoefficients));
- freq_translated[0]=1;
- //Translate the frequencies in their natural sampling rate to the new sampling rate frequencies
- for(size_t i=1;i<ncoefficients-1;++i){
- freq_translated[i]=((float)freqs[i]*u->fft_size)/ss.rate;
- //pa_log("i: %ld: %d , %g",i,freqs[i],freq_translated[i]);
- pa_assert_se(freq_translated[i]>=freq_translated[i-1]);
- }
- freq_translated[ncoefficients-1]=FLT_MAX;
- //Interpolate the specified frequency band values
- u->H[0]=1;
- for(size_t i=1,j=0;i<(u->fft_size/2+1);++i){
- pa_assert_se(j<ncoefficients);
- //max frequency range passed, consider the rest as one band
- if(freq_translated[j+1]>=FLT_MAX){
- for(;i<(u->fft_size/2+1);++i){
- u->H[i]=coefficients[j];
- }
- break;
- }
- //pa_log("i: %d, j: %d, freq: %f",i,j,freq_translated[j]);
- //pa_log("interp: %0.4f %0.4f",freq_translated[j],freq_translated[j+1]);
- pa_assert_se(freq_translated[j]<freq_translated[j+1]);
- pa_assert_se(i>=freq_translated[j]);
- pa_assert_se(i<=freq_translated[j+1]);
- //bilinear-inerpolation of coefficients specified
- float c0=(i-freq_translated[j])/(freq_translated[j+1]-freq_translated[j]);
- pa_assert_se(c0>=0&&c0<=1.0);
- u->H[i]=((1.0f-c0)*coefficients[j]+c0*coefficients[j+1]);
- pa_assert_se(u->H[i]>0);
- while(i>=floor(freq_translated[j+1])){
- j++;
- }
+ u->channels = ss.channels;
+ u->fft_size = pow(2, ceil(log(ss.rate) / log(2)));//probably unstable near corner cases of powers of 2
+ pa_log_debug("fft size: %zd", u->fft_size);
+ u->window_size = 15999;
+ if (u->window_size % 2 == 0)
+ u->window_size--;
+ u->R = (u->window_size + 1) / 2;
+ u->overlap_size = u->window_size - u->R;
+ u->samples_gathered = 0;
+ u->input_buffer_max = 0;
+
+ u->a_H = pa_xnew0(pa_aupdate *, u->channels);
+ u->Xs = pa_xnew0(float *, u->channels);
+ u->Hs = pa_xnew0(float **, u->channels);
+
+ for (c = 0; c < u->channels; ++c) {
+ u->Xs[c] = pa_xnew0(float, 2);
+ u->Hs[c] = pa_xnew0(float *, 2);
+ for (i = 0; i < 2; ++i)
+ u->Hs[c][i] = alloc(FILTER_SIZE(u), sizeof(float));
}
- //divide out the fft gain
- for(size_t i=0;i<(u->fft_size/2+1);++i){
- u->H[i]/=u->fft_size;
+
+ u->W = alloc(u->window_size, sizeof(float));
+ u->work_buffer = alloc(u->fft_size, sizeof(float));
+ u->input = pa_xnew0(float *, u->channels);
+ u->overlap_accum = pa_xnew0(float *, u->channels);
+ for (c = 0; c < u->channels; ++c) {
+ u->a_H[c] = pa_aupdate_new();
+ u->input[c] = NULL;
+ u->overlap_accum[c] = alloc(u->overlap_size, sizeof(float));
}
- free(freq_translated);
+ u->output_window = alloc(FILTER_SIZE(u), sizeof(fftwf_complex));
+ u->forward_plan = fftwf_plan_dft_r2c_1d(u->fft_size, u->work_buffer, u->output_window, FFTW_ESTIMATE);
+ u->inverse_plan = fftwf_plan_dft_c2r_1d(u->fft_size, u->output_window, u->work_buffer, FFTW_ESTIMATE);
+
+ hanning_window(u->W, u->window_size);
+ u->first_iteration = TRUE;
+
+ u->base_profiles = pa_xnew0(char *, u->channels);
+ for (c = 0; c < u->channels; ++c)
+ u->base_profiles[c] = pa_xstrdup("default");
/* Create sink */
pa_sink_new_data_init(&sink_data);
sink_data.module = m;
if (!(sink_data.name = pa_xstrdup(pa_modargs_get_value(ma, "sink_name", NULL))))
sink_data.name = pa_sprintf_malloc("%s.equalizer", master->name);
- sink_data.namereg_fail = FALSE;
pa_sink_new_data_set_sample_spec(&sink_data, &ss);
pa_sink_new_data_set_channel_map(&sink_data, &map);
+
z = pa_proplist_gets(master->proplist, PA_PROP_DEVICE_DESCRIPTION);
- pa_proplist_sets(sink_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "FFT based equalizer");
+ pa_proplist_setf(sink_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "FFT based equalizer on %s", z ? z : master->name);
+
pa_proplist_sets(sink_data.proplist, PA_PROP_DEVICE_MASTER_DEVICE, master->name);
pa_proplist_sets(sink_data.proplist, PA_PROP_DEVICE_CLASS, "filter");
goto fail;
}
- u->sink = pa_sink_new(m->core, &sink_data, PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY);
+ u->autoloaded = DEFAULT_AUTOLOADED;
+ if (pa_modargs_get_value_boolean(ma, "autoloaded", &u->autoloaded) < 0) {
+ pa_log("Failed to parse autoloaded value");
+ goto fail;
+ }
+
+ u->sink = pa_sink_new(m->core, &sink_data, (master->flags & (PA_SINK_LATENCY | PA_SINK_DYNAMIC_LATENCY))
+ | (use_volume_sharing ? PA_SINK_SHARE_VOLUME_WITH_MASTER : 0));
pa_sink_new_data_done(&sink_data);
if (!u->sink) {
goto fail;
}
- u->sink->parent.process_msg = sink_process_msg;
- u->sink->set_state = sink_set_state;
- u->sink->update_requested_latency = sink_update_requested_latency;
- u->sink->request_rewind = sink_request_rewind;
+ u->sink->parent.process_msg = sink_process_msg_cb;
+ u->sink->set_state = sink_set_state_cb;
+ u->sink->update_requested_latency = sink_update_requested_latency_cb;
+ u->sink->request_rewind = sink_request_rewind_cb;
+ pa_sink_set_set_mute_callback(u->sink, sink_set_mute_cb);
+ if (!use_volume_sharing) {
+ pa_sink_set_set_volume_callback(u->sink, sink_set_volume_cb);
+ pa_sink_enable_decibel_volume(u->sink, TRUE);
+ }
u->sink->userdata = u;
+ u->input_q = pa_memblockq_new("module-equalizer-sink input_q", 0, MEMBLOCKQ_MAXLENGTH, 0, &ss, 1, 1, 0, &u->sink->silence);
+ u->output_q = pa_memblockq_new("module-equalizer-sink output_q", 0, MEMBLOCKQ_MAXLENGTH, 0, &ss, 1, 1, 0, NULL);
+ u->output_buffer = NULL;
+ u->output_buffer_length = 0;
+ u->output_buffer_max_length = 0;
+
pa_sink_set_asyncmsgq(u->sink, master->asyncmsgq);
- pa_sink_set_rtpoll(u->sink, master->rtpoll);
- pa_sink_set_max_request(u->sink,u->R*fs);
- //pa_sink_set_fixed_latency(u->sink,pa_bytes_to_usec(u->R*fs,&ss));
+ //pa_sink_set_fixed_latency(u->sink, pa_bytes_to_usec(u->R*fs, &ss));
/* Create sink input */
pa_sink_input_new_data_init(&sink_input_data);
sink_input_data.driver = __FILE__;
sink_input_data.module = m;
- sink_input_data.sink = u->master;
+ pa_sink_input_new_data_set_sink(&sink_input_data, master, FALSE);
+ sink_input_data.origin_sink = u->sink;
pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_NAME, "Equalized Stream");
pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_ROLE, "filter");
pa_sink_input_new_data_set_sample_spec(&sink_input_data, &ss);
pa_sink_input_new_data_set_channel_map(&sink_input_data, &map);
- pa_sink_input_new(&u->sink_input, m->core, &sink_input_data, PA_SINK_INPUT_DONT_MOVE);
+ pa_sink_input_new(&u->sink_input, m->core, &sink_input_data);
pa_sink_input_new_data_done(&sink_input_data);
if (!u->sink_input)
u->sink_input->update_max_rewind = sink_input_update_max_rewind_cb;
u->sink_input->update_max_request = sink_input_update_max_request_cb;
u->sink_input->update_sink_latency_range = sink_input_update_sink_latency_range_cb;
+ u->sink_input->update_sink_fixed_latency = sink_input_update_sink_fixed_latency_cb;
u->sink_input->kill = sink_input_kill_cb;
u->sink_input->attach = sink_input_attach_cb;
u->sink_input->detach = sink_input_detach_cb;
u->sink_input->state_change = sink_input_state_change_cb;
u->sink_input->may_move_to = sink_input_may_move_to_cb;
+ u->sink_input->moving = sink_input_moving_cb;
+ if (!use_volume_sharing)
+ u->sink_input->volume_changed = sink_input_volume_changed_cb;
+ u->sink_input->mute_changed = sink_input_mute_changed_cb;
u->sink_input->userdata = u;
+ u->sink->input_to_master = u->sink_input;
+
+ dbus_init(u);
+
+ /* default filter to these */
+ for (c = 0; c< u->channels; ++c) {
+ a_i = pa_aupdate_write_begin(u->a_H[c]);
+ H = u->Hs[c][a_i];
+ u->Xs[c][a_i] = 1.0f;
+
+ for(i = 0; i < FILTER_SIZE(u); ++i)
+ H[i] = 1.0 / sqrtf(2.0f);
+
+ fix_filter(H, u->fft_size);
+ pa_aupdate_write_end(u->a_H[c]);
+ }
+
+ /* load old parameters */
+ load_state(u);
+
pa_sink_put(u->sink);
pa_sink_input_put(u->sink_input);
pa_modargs_free(ma);
- pa_xfree(use_default);
-
return 0;
fail:
if (ma)
pa_modargs_free(ma);
- pa_xfree(use_default);
-
pa__done(m);
return -1;
void pa__done(pa_module*m) {
struct userdata *u;
+ unsigned c;
pa_assert(m);
if (!(u = m->userdata))
return;
- if (u->sink) {
- pa_sink_unlink(u->sink);
- pa_sink_unref(u->sink);
- }
+ save_state(u);
+
+ dbus_done(u);
- if (u->sink_input) {
+ for(c = 0; c < u->channels; ++c)
+ pa_xfree(u->base_profiles[c]);
+ pa_xfree(u->base_profiles);
+
+ /* See comments in sink_input_kill_cb() above regarding
+ * destruction order! */
+
+ if (u->sink_input)
pa_sink_input_unlink(u->sink_input);
+
+ if (u->sink)
+ pa_sink_unlink(u->sink);
+
+ if (u->sink_input)
pa_sink_input_unref(u->sink_input);
- }
- if(u->conv_buffer.memblock)
- pa_memblock_unref(u->conv_buffer.memblock);
+ if (u->sink)
+ pa_sink_unref(u->sink);
- if (u->rendered_q)
- pa_memblockq_free(u->rendered_q);
+ pa_xfree(u->output_buffer);
+ pa_memblockq_free(u->output_q);
+ pa_memblockq_free(u->input_q);
fftwf_destroy_plan(u->inverse_plan);
fftwf_destroy_plan(u->forward_plan);
- fftwf_free(u->output_window);
- for(size_t c=0;c<u->channels;++c){
- fftwf_free(u->output_buffer[c]);
- fftwf_free(u->overlap_accum[c]);
- fftwf_free(u->input[c]);
- }
- free(u->output_buffer);
- free(u->overlap_accum);
- free(u->input);
- fftwf_free(u->work_buffer);
- fftwf_free(u->W);
- fftwf_free(u->H);
+ pa_xfree(u->output_window);
+ for (c = 0; c < u->channels; ++c) {
+ pa_aupdate_free(u->a_H[c]);
+ pa_xfree(u->overlap_accum[c]);
+ pa_xfree(u->input[c]);
+ }
+ pa_xfree(u->a_H);
+ pa_xfree(u->overlap_accum);
+ pa_xfree(u->input);
+ pa_xfree(u->work_buffer);
+ pa_xfree(u->W);
+ for (c = 0; c < u->channels; ++c) {
+ pa_xfree(u->Xs[c]);
+ for (size_t i = 0; i < 2; ++i)
+ pa_xfree(u->Hs[c][i]);
+ pa_xfree(u->Hs[c]);
+ }
+ pa_xfree(u->Xs);
+ pa_xfree(u->Hs);
pa_xfree(u);
}
+
+/*
+ * DBus Routines and Callbacks
+ */
+#define EXTNAME "org.PulseAudio.Ext.Equalizing1"
+#define MANAGER_PATH "/org/pulseaudio/equalizing1"
+#define MANAGER_IFACE EXTNAME ".Manager"
+#define EQUALIZER_IFACE EXTNAME ".Equalizer"
+static void manager_get_revision(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void manager_get_sinks(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void manager_get_profiles(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void manager_get_all(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void manager_handle_remove_profile(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void equalizer_get_revision(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void equalizer_get_sample_rate(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void equalizer_get_filter_rate(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void equalizer_get_n_coefs(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void equalizer_get_n_channels(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void equalizer_get_all(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void equalizer_handle_seed_filter(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void equalizer_handle_get_filter_points(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void equalizer_handle_get_filter(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void equalizer_handle_set_filter(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void equalizer_handle_save_profile(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void equalizer_handle_load_profile(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void equalizer_handle_save_state(DBusConnection *conn, DBusMessage *msg, void *_u);
+static void equalizer_handle_get_profile_name(DBusConnection *conn, DBusMessage *msg, void *_u);
+enum manager_method_index {
+ MANAGER_METHOD_REMOVE_PROFILE,
+ MANAGER_METHOD_MAX
+};
+
+pa_dbus_arg_info remove_profile_args[]={
+ {"name", "s","in"},
+};
+
+static pa_dbus_method_handler manager_methods[MANAGER_METHOD_MAX]={
+ [MANAGER_METHOD_REMOVE_PROFILE]={
+ .method_name="RemoveProfile",
+ .arguments=remove_profile_args,
+ .n_arguments=sizeof(remove_profile_args)/sizeof(pa_dbus_arg_info),
+ .receive_cb=manager_handle_remove_profile}
+};
+
+enum manager_handler_index {
+ MANAGER_HANDLER_REVISION,
+ MANAGER_HANDLER_EQUALIZED_SINKS,
+ MANAGER_HANDLER_PROFILES,
+ MANAGER_HANDLER_MAX
+};
+
+static pa_dbus_property_handler manager_handlers[MANAGER_HANDLER_MAX]={
+ [MANAGER_HANDLER_REVISION]={.property_name="InterfaceRevision",.type="u",.get_cb=manager_get_revision,.set_cb=NULL},
+ [MANAGER_HANDLER_EQUALIZED_SINKS]={.property_name="EqualizedSinks",.type="ao",.get_cb=manager_get_sinks,.set_cb=NULL},
+ [MANAGER_HANDLER_PROFILES]={.property_name="Profiles",.type="as",.get_cb=manager_get_profiles,.set_cb=NULL}
+};
+
+pa_dbus_arg_info sink_args[]={
+ {"sink", "o", NULL}
+};
+
+enum manager_signal_index{
+ MANAGER_SIGNAL_SINK_ADDED,
+ MANAGER_SIGNAL_SINK_REMOVED,
+ MANAGER_SIGNAL_PROFILES_CHANGED,
+ MANAGER_SIGNAL_MAX
+};
+
+static pa_dbus_signal_info manager_signals[MANAGER_SIGNAL_MAX]={
+ [MANAGER_SIGNAL_SINK_ADDED]={.name="SinkAdded", .arguments=sink_args, .n_arguments=sizeof(sink_args)/sizeof(pa_dbus_arg_info)},
+ [MANAGER_SIGNAL_SINK_REMOVED]={.name="SinkRemoved", .arguments=sink_args, .n_arguments=sizeof(sink_args)/sizeof(pa_dbus_arg_info)},
+ [MANAGER_SIGNAL_PROFILES_CHANGED]={.name="ProfilesChanged", .arguments=NULL, .n_arguments=0}
+};
+
+static pa_dbus_interface_info manager_info={
+ .name=MANAGER_IFACE,
+ .method_handlers=manager_methods,
+ .n_method_handlers=MANAGER_METHOD_MAX,
+ .property_handlers=manager_handlers,
+ .n_property_handlers=MANAGER_HANDLER_MAX,
+ .get_all_properties_cb=manager_get_all,
+ .signals=manager_signals,
+ .n_signals=MANAGER_SIGNAL_MAX
+};
+
+enum equalizer_method_index {
+ EQUALIZER_METHOD_FILTER_POINTS,
+ EQUALIZER_METHOD_SEED_FILTER,
+ EQUALIZER_METHOD_SAVE_PROFILE,
+ EQUALIZER_METHOD_LOAD_PROFILE,
+ EQUALIZER_METHOD_SET_FILTER,
+ EQUALIZER_METHOD_GET_FILTER,
+ EQUALIZER_METHOD_SAVE_STATE,
+ EQUALIZER_METHOD_GET_PROFILE_NAME,
+ EQUALIZER_METHOD_MAX
+};
+
+enum equalizer_handler_index {
+ EQUALIZER_HANDLER_REVISION,
+ EQUALIZER_HANDLER_SAMPLERATE,
+ EQUALIZER_HANDLER_FILTERSAMPLERATE,
+ EQUALIZER_HANDLER_N_COEFS,
+ EQUALIZER_HANDLER_N_CHANNELS,
+ EQUALIZER_HANDLER_MAX
+};
+
+pa_dbus_arg_info filter_points_args[]={
+ {"channel", "u","in"},
+ {"xs", "au","in"},
+ {"ys", "ad","out"},
+ {"preamp", "d","out"}
+};
+pa_dbus_arg_info seed_filter_args[]={
+ {"channel", "u","in"},
+ {"xs", "au","in"},
+ {"ys", "ad","in"},
+ {"preamp", "d","in"}
+};
+
+pa_dbus_arg_info set_filter_args[]={
+ {"channel", "u","in"},
+ {"ys", "ad","in"},
+ {"preamp", "d","in"}
+};
+pa_dbus_arg_info get_filter_args[]={
+ {"channel", "u","in"},
+ {"ys", "ad","out"},
+ {"preamp", "d","out"}
+};
+
+pa_dbus_arg_info save_profile_args[]={
+ {"channel", "u","in"},
+ {"name", "s","in"}
+};
+pa_dbus_arg_info load_profile_args[]={
+ {"channel", "u","in"},
+ {"name", "s","in"}
+};
+pa_dbus_arg_info base_profile_name_args[]={
+ {"channel", "u","in"},
+ {"name", "s","out"}
+};
+
+static pa_dbus_method_handler equalizer_methods[EQUALIZER_METHOD_MAX]={
+ [EQUALIZER_METHOD_SEED_FILTER]={
+ .method_name="SeedFilter",
+ .arguments=seed_filter_args,
+ .n_arguments=sizeof(seed_filter_args)/sizeof(pa_dbus_arg_info),
+ .receive_cb=equalizer_handle_seed_filter},
+ [EQUALIZER_METHOD_FILTER_POINTS]={
+ .method_name="FilterAtPoints",
+ .arguments=filter_points_args,
+ .n_arguments=sizeof(filter_points_args)/sizeof(pa_dbus_arg_info),
+ .receive_cb=equalizer_handle_get_filter_points},
+ [EQUALIZER_METHOD_SET_FILTER]={
+ .method_name="SetFilter",
+ .arguments=set_filter_args,
+ .n_arguments=sizeof(set_filter_args)/sizeof(pa_dbus_arg_info),
+ .receive_cb=equalizer_handle_set_filter},
+ [EQUALIZER_METHOD_GET_FILTER]={
+ .method_name="GetFilter",
+ .arguments=get_filter_args,
+ .n_arguments=sizeof(get_filter_args)/sizeof(pa_dbus_arg_info),
+ .receive_cb=equalizer_handle_get_filter},
+ [EQUALIZER_METHOD_SAVE_PROFILE]={
+ .method_name="SaveProfile",
+ .arguments=save_profile_args,
+ .n_arguments=sizeof(save_profile_args)/sizeof(pa_dbus_arg_info),
+ .receive_cb=equalizer_handle_save_profile},
+ [EQUALIZER_METHOD_LOAD_PROFILE]={
+ .method_name="LoadProfile",
+ .arguments=load_profile_args,
+ .n_arguments=sizeof(load_profile_args)/sizeof(pa_dbus_arg_info),
+ .receive_cb=equalizer_handle_load_profile},
+ [EQUALIZER_METHOD_SAVE_STATE]={
+ .method_name="SaveState",
+ .arguments=NULL,
+ .n_arguments=0,
+ .receive_cb=equalizer_handle_save_state},
+ [EQUALIZER_METHOD_GET_PROFILE_NAME]={
+ .method_name="BaseProfile",
+ .arguments=base_profile_name_args,
+ .n_arguments=sizeof(base_profile_name_args)/sizeof(pa_dbus_arg_info),
+ .receive_cb=equalizer_handle_get_profile_name}
+};
+
+static pa_dbus_property_handler equalizer_handlers[EQUALIZER_HANDLER_MAX]={
+ [EQUALIZER_HANDLER_REVISION]={.property_name="InterfaceRevision",.type="u",.get_cb=equalizer_get_revision,.set_cb=NULL},
+ [EQUALIZER_HANDLER_SAMPLERATE]={.property_name="SampleRate",.type="u",.get_cb=equalizer_get_sample_rate,.set_cb=NULL},
+ [EQUALIZER_HANDLER_FILTERSAMPLERATE]={.property_name="FilterSampleRate",.type="u",.get_cb=equalizer_get_filter_rate,.set_cb=NULL},
+ [EQUALIZER_HANDLER_N_COEFS]={.property_name="NFilterCoefficients",.type="u",.get_cb=equalizer_get_n_coefs,.set_cb=NULL},
+ [EQUALIZER_HANDLER_N_CHANNELS]={.property_name="NChannels",.type="u",.get_cb=equalizer_get_n_channels,.set_cb=NULL},
+};
+
+enum equalizer_signal_index{
+ EQUALIZER_SIGNAL_FILTER_CHANGED,
+ EQUALIZER_SIGNAL_SINK_RECONFIGURED,
+ EQUALIZER_SIGNAL_MAX
+};
+
+static pa_dbus_signal_info equalizer_signals[EQUALIZER_SIGNAL_MAX]={
+ [EQUALIZER_SIGNAL_FILTER_CHANGED]={.name="FilterChanged", .arguments=NULL, .n_arguments=0},
+ [EQUALIZER_SIGNAL_SINK_RECONFIGURED]={.name="SinkReconfigured", .arguments=NULL, .n_arguments=0},
+};
+
+static pa_dbus_interface_info equalizer_info={
+ .name=EQUALIZER_IFACE,
+ .method_handlers=equalizer_methods,
+ .n_method_handlers=EQUALIZER_METHOD_MAX,
+ .property_handlers=equalizer_handlers,
+ .n_property_handlers=EQUALIZER_HANDLER_MAX,
+ .get_all_properties_cb=equalizer_get_all,
+ .signals=equalizer_signals,
+ .n_signals=EQUALIZER_SIGNAL_MAX
+};
+
+void dbus_init(struct userdata *u){
+ uint32_t dummy;
+ DBusMessage *signal = NULL;
+ pa_idxset *sink_list = NULL;
+ u->dbus_protocol=pa_dbus_protocol_get(u->sink->core);
+ u->dbus_path=pa_sprintf_malloc("/org/pulseaudio/core1/sink%d", u->sink->index);
+
+ pa_dbus_protocol_add_interface(u->dbus_protocol, u->dbus_path, &equalizer_info, u);
+ sink_list = pa_shared_get(u->sink->core, SINKLIST);
+ u->database = pa_shared_get(u->sink->core, EQDB);
+ if(sink_list == NULL){
+ char *dbname;
+ sink_list=pa_idxset_new(&pa_idxset_trivial_hash_func, &pa_idxset_trivial_compare_func);
+ pa_shared_set(u->sink->core, SINKLIST, sink_list);
+ pa_assert_se(dbname = pa_state_path("equalizer-presets", FALSE));
+ pa_assert_se(u->database = pa_database_open(dbname, TRUE));
+ pa_xfree(dbname);
+ pa_shared_set(u->sink->core, EQDB, u->database);
+ pa_dbus_protocol_add_interface(u->dbus_protocol, MANAGER_PATH, &manager_info, u->sink->core);
+ pa_dbus_protocol_register_extension(u->dbus_protocol, EXTNAME);
+ }
+ pa_idxset_put(sink_list, u, &dummy);
+
+ pa_assert_se((signal = dbus_message_new_signal(MANAGER_PATH, MANAGER_IFACE, manager_signals[MANAGER_SIGNAL_SINK_ADDED].name)));
+ dbus_message_append_args(signal, DBUS_TYPE_OBJECT_PATH, &u->dbus_path, DBUS_TYPE_INVALID);
+ pa_dbus_protocol_send_signal(u->dbus_protocol, signal);
+ dbus_message_unref(signal);
+}
+
+void dbus_done(struct userdata *u){
+ pa_idxset *sink_list;
+ uint32_t dummy;
+
+ DBusMessage *signal = NULL;
+ pa_assert_se((signal = dbus_message_new_signal(MANAGER_PATH, MANAGER_IFACE, manager_signals[MANAGER_SIGNAL_SINK_REMOVED].name)));
+ dbus_message_append_args(signal, DBUS_TYPE_OBJECT_PATH, &u->dbus_path, DBUS_TYPE_INVALID);
+ pa_dbus_protocol_send_signal(u->dbus_protocol, signal);
+ dbus_message_unref(signal);
+
+ pa_assert_se(sink_list=pa_shared_get(u->sink->core,SINKLIST));
+ pa_idxset_remove_by_data(sink_list,u,&dummy);
+ if(pa_idxset_size(sink_list)==0){
+ pa_dbus_protocol_unregister_extension(u->dbus_protocol, EXTNAME);
+ pa_dbus_protocol_remove_interface(u->dbus_protocol, MANAGER_PATH, manager_info.name);
+ pa_shared_remove(u->sink->core, EQDB);
+ pa_database_close(u->database);
+ pa_shared_remove(u->sink->core, SINKLIST);
+ pa_xfree(sink_list);
+ }
+ pa_dbus_protocol_remove_interface(u->dbus_protocol, u->dbus_path, equalizer_info.name);
+ pa_xfree(u->dbus_path);
+ pa_dbus_protocol_unref(u->dbus_protocol);
+}
+
+void manager_handle_remove_profile(DBusConnection *conn, DBusMessage *msg, void *_u) {
+ DBusError error;
+ pa_core *c = (pa_core *)_u;
+ DBusMessage *signal = NULL;
+ pa_dbus_protocol *dbus_protocol;
+ char *name;
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(c);
+ dbus_error_init(&error);
+ if(!dbus_message_get_args(msg, &error,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_INVALID)){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "%s", error.message);
+ dbus_error_free(&error);
+ return;
+ }
+ remove_profile(c,name);
+ pa_dbus_send_empty_reply(conn, msg);
+
+ pa_assert_se((signal = dbus_message_new_signal(MANAGER_PATH, MANAGER_IFACE, manager_signals[MANAGER_SIGNAL_PROFILES_CHANGED].name)));
+ dbus_protocol = pa_dbus_protocol_get(c);
+ pa_dbus_protocol_send_signal(dbus_protocol, signal);
+ pa_dbus_protocol_unref(dbus_protocol);
+ dbus_message_unref(signal);
+}
+
+void manager_get_revision(DBusConnection *conn, DBusMessage *msg, void *_u){
+ uint32_t rev=1;
+ pa_dbus_send_basic_value_reply(conn, msg, DBUS_TYPE_UINT32, &rev);
+}
+
+static void get_sinks(pa_core *u, char ***names, unsigned *n_sinks){
+ void *iter = NULL;
+ struct userdata *sink_u = NULL;
+ uint32_t dummy;
+ pa_idxset *sink_list;
+ pa_assert(u);
+ pa_assert(names);
+ pa_assert(n_sinks);
+
+ pa_assert_se(sink_list = pa_shared_get(u, SINKLIST));
+ *n_sinks = (unsigned) pa_idxset_size(sink_list);
+ *names = *n_sinks > 0 ? pa_xnew0(char *,*n_sinks) : NULL;
+ for(uint32_t i = 0; i < *n_sinks; ++i){
+ sink_u = (struct userdata *) pa_idxset_iterate(sink_list, &iter, &dummy);
+ (*names)[i] = pa_xstrdup(sink_u->dbus_path);
+ }
+}
+
+void manager_get_sinks(DBusConnection *conn, DBusMessage *msg, void *_u){
+ unsigned n;
+ char **names = NULL;
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(_u);
+
+ get_sinks((pa_core *) _u, &names, &n);
+ pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, names, n);
+ for(unsigned i = 0; i < n; ++i){
+ pa_xfree(names[i]);
+ }
+ pa_xfree(names);
+}
+
+static void get_profiles(pa_core *c, char ***names, unsigned *n){
+ char *name;
+ pa_database *database;
+ pa_datum key, next_key;
+ pa_strlist *head=NULL, *iter;
+ pa_bool_t done;
+ pa_assert_se(database = pa_shared_get(c, EQDB));
+
+ pa_assert(c);
+ pa_assert(names);
+ pa_assert(n);
+ done = !pa_database_first(database, &key, NULL);
+ *n = 0;
+ while(!done){
+ done = !pa_database_next(database, &key, &next_key, NULL);
+ name=pa_xmalloc(key.size + 1);
+ memcpy(name, key.data, key.size);
+ name[key.size] = '\0';
+ pa_datum_free(&key);
+ head = pa_strlist_prepend(head, name);
+ pa_xfree(name);
+ key = next_key;
+ (*n)++;
+ }
+ (*names) = *n > 0 ? pa_xnew0(char *, *n) : NULL;
+ iter=head;
+ for(unsigned i = 0; i < *n; ++i){
+ (*names)[*n - 1 - i] = pa_xstrdup(pa_strlist_data(iter));
+ iter = pa_strlist_next(iter);
+ }
+ pa_strlist_free(head);
+}
+
+void manager_get_profiles(DBusConnection *conn, DBusMessage *msg, void *_u){
+ char **names;
+ unsigned n;
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(_u);
+
+ get_profiles((pa_core *)_u, &names, &n);
+ pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_STRING, names, n);
+ for(unsigned i = 0; i < n; ++i){
+ pa_xfree(names[i]);
+ }
+ pa_xfree(names);
+}
+
+void manager_get_all(DBusConnection *conn, DBusMessage *msg, void *_u){
+ pa_core *c;
+ char **names = NULL;
+ unsigned n;
+ DBusMessage *reply = NULL;
+ DBusMessageIter msg_iter, dict_iter;
+ uint32_t rev;
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert_se(c = _u);
+
+ pa_assert_se((reply = dbus_message_new_method_return(msg)));
+ dbus_message_iter_init_append(reply, &msg_iter);
+ pa_assert_se(dbus_message_iter_open_container(&msg_iter, DBUS_TYPE_ARRAY, "{sv}", &dict_iter));
+
+ rev = 1;
+ pa_dbus_append_basic_variant_dict_entry(&dict_iter, manager_handlers[MANAGER_HANDLER_REVISION].property_name, DBUS_TYPE_UINT32, &rev);
+
+ get_sinks(c, &names, &n);
+ pa_dbus_append_basic_array_variant_dict_entry(&dict_iter,manager_handlers[MANAGER_HANDLER_EQUALIZED_SINKS].property_name, DBUS_TYPE_OBJECT_PATH, names, n);
+ for(unsigned i = 0; i < n; ++i){
+ pa_xfree(names[i]);
+ }
+ pa_xfree(names);
+
+ get_profiles(c, &names, &n);
+ pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, manager_handlers[MANAGER_HANDLER_PROFILES].property_name, DBUS_TYPE_STRING, names, n);
+ for(unsigned i = 0; i < n; ++i){
+ pa_xfree(names[i]);
+ }
+ pa_xfree(names);
+ pa_assert_se(dbus_message_iter_close_container(&msg_iter, &dict_iter));
+ pa_assert_se(dbus_connection_send(conn, reply, NULL));
+ dbus_message_unref(reply);
+}
+
+void equalizer_handle_seed_filter(DBusConnection *conn, DBusMessage *msg, void *_u) {
+ struct userdata *u = _u;
+ DBusError error;
+ DBusMessage *signal = NULL;
+ float *ys;
+ uint32_t *xs, channel, r_channel;
+ double *_ys, preamp;
+ unsigned x_npoints, y_npoints, a_i;
+ float *H;
+ pa_bool_t points_good = TRUE;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(u);
+
+ dbus_error_init(&error);
+
+ if(!dbus_message_get_args(msg, &error,
+ DBUS_TYPE_UINT32, &channel,
+ DBUS_TYPE_ARRAY, DBUS_TYPE_UINT32, &xs, &x_npoints,
+ DBUS_TYPE_ARRAY, DBUS_TYPE_DOUBLE, &_ys, &y_npoints,
+ DBUS_TYPE_DOUBLE, &preamp,
+ DBUS_TYPE_INVALID)){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "%s", error.message);
+ dbus_error_free(&error);
+ return;
+ }
+ if(channel > u->channels){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "invalid channel: %d", channel);
+ dbus_error_free(&error);
+ return;
+ }
+ for(size_t i = 0; i < x_npoints; ++i){
+ if(xs[i] >= FILTER_SIZE(u)){
+ points_good = FALSE;
+ break;
+ }
+ }
+ if(!is_monotonic(xs, x_npoints) || !points_good){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "xs must be monotonic and 0<=x<=%zd", u->fft_size / 2);
+ dbus_error_free(&error);
+ return;
+ }else if(x_npoints != y_npoints || x_npoints < 2 || x_npoints > FILTER_SIZE(u)){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "xs and ys must be the same length and 2<=l<=%zd!", FILTER_SIZE(u));
+ dbus_error_free(&error);
+ return;
+ }else if(xs[0] != 0 || xs[x_npoints - 1] != u->fft_size / 2){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "xs[0] must be 0 and xs[-1]=fft_size/2");
+ dbus_error_free(&error);
+ return;
+ }
+
+ ys = pa_xmalloc(x_npoints * sizeof(float));
+ for(uint32_t i = 0; i < x_npoints; ++i){
+ ys[i] = (float) _ys[i];
+ }
+ r_channel = channel == u->channels ? 0 : channel;
+ a_i = pa_aupdate_write_begin(u->a_H[r_channel]);
+ H = u->Hs[r_channel][a_i];
+ u->Xs[r_channel][a_i] = preamp;
+ interpolate(H, FILTER_SIZE(u), xs, ys, x_npoints);
+ fix_filter(H, u->fft_size);
+ if(channel == u->channels){
+ for(size_t c = 1; c < u->channels; ++c){
+ unsigned b_i = pa_aupdate_write_begin(u->a_H[c]);
+ float *H_p = u->Hs[c][b_i];
+ u->Xs[c][b_i] = preamp;
+ memcpy(H_p, H, FILTER_SIZE(u) * sizeof(float));
+ pa_aupdate_write_end(u->a_H[c]);
+ }
+ }
+ pa_aupdate_write_end(u->a_H[r_channel]);
+ pa_xfree(ys);
+
+
+ pa_dbus_send_empty_reply(conn, msg);
+
+ pa_assert_se((signal = dbus_message_new_signal(u->dbus_path, EQUALIZER_IFACE, equalizer_signals[EQUALIZER_SIGNAL_FILTER_CHANGED].name)));
+ pa_dbus_protocol_send_signal(u->dbus_protocol, signal);
+ dbus_message_unref(signal);
+}
+
+void equalizer_handle_get_filter_points(DBusConnection *conn, DBusMessage *msg, void *_u) {
+ struct userdata *u = (struct userdata *) _u;
+ uint32_t *xs, channel, r_channel;
+ double *ys, preamp;
+ unsigned x_npoints, a_i;
+ float *H;
+ pa_bool_t points_good=TRUE;
+ DBusMessage *reply = NULL;
+ DBusMessageIter msg_iter;
+ DBusError error;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(u);
+
+ dbus_error_init(&error);
+ if(!dbus_message_get_args(msg, &error,
+ DBUS_TYPE_UINT32, &channel,
+ DBUS_TYPE_ARRAY, DBUS_TYPE_UINT32, &xs, &x_npoints,
+ DBUS_TYPE_INVALID)){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "%s", error.message);
+ dbus_error_free(&error);
+ return;
+ }
+ if(channel > u->channels){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "invalid channel: %d", channel);
+ dbus_error_free(&error);
+ return;
+ }
+
+ for(size_t i = 0; i < x_npoints; ++i){
+ if(xs[i] >= FILTER_SIZE(u)){
+ points_good=FALSE;
+ break;
+ }
+ }
+
+ if(x_npoints > FILTER_SIZE(u) || !points_good){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "xs indices/length must be <= %zd!", FILTER_SIZE(u));
+ dbus_error_free(&error);
+ return;
+ }
+
+ r_channel = channel == u->channels ? 0 : channel;
+ ys = pa_xmalloc(x_npoints * sizeof(double));
+ a_i = pa_aupdate_read_begin(u->a_H[r_channel]);
+ H = u->Hs[r_channel][a_i];
+ preamp = u->Xs[r_channel][a_i];
+ for(uint32_t i = 0; i < x_npoints; ++i){
+ ys[i] = H[xs[i]] * u->fft_size;
+ }
+ pa_aupdate_read_end(u->a_H[r_channel]);
+
+ pa_assert_se((reply = dbus_message_new_method_return(msg)));
+ dbus_message_iter_init_append(reply, &msg_iter);
+
+ pa_dbus_append_basic_array(&msg_iter, DBUS_TYPE_DOUBLE, ys, x_npoints);
+ pa_dbus_append_basic_variant(&msg_iter, DBUS_TYPE_DOUBLE, &preamp);
+
+ pa_assert_se(dbus_connection_send(conn, reply, NULL));
+ dbus_message_unref(reply);
+ pa_xfree(ys);
+}
+
+static void get_filter(struct userdata *u, size_t channel, double **H_, double *preamp){
+ float *H;
+ unsigned a_i;
+ size_t r_channel = channel == u->channels ? 0 : channel;
+ *H_ = pa_xnew0(double, FILTER_SIZE(u));
+ a_i = pa_aupdate_read_begin(u->a_H[r_channel]);
+ H = u->Hs[r_channel][a_i];
+ for(size_t i = 0;i < FILTER_SIZE(u); ++i){
+ (*H_)[i] = H[i] * u->fft_size;
+ }
+ *preamp = u->Xs[r_channel][a_i];
+
+ pa_aupdate_read_end(u->a_H[r_channel]);
+}
+
+void equalizer_handle_get_filter(DBusConnection *conn, DBusMessage *msg, void *_u){
+ struct userdata *u;
+ unsigned n_coefs;
+ uint32_t channel;
+ double *H_, preamp;
+ DBusMessage *reply = NULL;
+ DBusMessageIter msg_iter;
+ DBusError error;
+ pa_assert_se(u = (struct userdata *) _u);
+ pa_assert(conn);
+ pa_assert(msg);
+
+ dbus_error_init(&error);
+ if(!dbus_message_get_args(msg, &error,
+ DBUS_TYPE_UINT32, &channel,
+ DBUS_TYPE_INVALID)){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "%s", error.message);
+ dbus_error_free(&error);
+ return;
+ }
+ if(channel > u->channels){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "invalid channel: %d", channel);
+ dbus_error_free(&error);
+ return;
+ }
+
+ n_coefs = CHANNEL_PROFILE_SIZE(u);
+ pa_assert(conn);
+ pa_assert(msg);
+ get_filter(u, channel, &H_, &preamp);
+ pa_assert_se((reply = dbus_message_new_method_return(msg)));
+ dbus_message_iter_init_append(reply, &msg_iter);
+
+ pa_dbus_append_basic_array(&msg_iter, DBUS_TYPE_DOUBLE, H_, n_coefs);
+ pa_dbus_append_basic_variant(&msg_iter, DBUS_TYPE_DOUBLE, &preamp);
+
+ pa_assert_se(dbus_connection_send(conn, reply, NULL));
+ dbus_message_unref(reply);
+ pa_xfree(H_);
+}
+
+static void set_filter(struct userdata *u, size_t channel, double *H_, double preamp){
+ unsigned a_i;
+ size_t r_channel = channel == u->channels ? 0 : channel;
+ float *H;
+ //all channels
+ a_i = pa_aupdate_write_begin(u->a_H[r_channel]);
+ u->Xs[r_channel][a_i] = (float) preamp;
+ H = u->Hs[r_channel][a_i];
+ for(size_t i = 0; i < FILTER_SIZE(u); ++i){
+ H[i] = (float) H_[i];
+ }
+ fix_filter(H, u->fft_size);
+ if(channel == u->channels){
+ for(size_t c = 1; c < u->channels; ++c){
+ unsigned b_i = pa_aupdate_write_begin(u->a_H[c]);
+ u->Xs[c][b_i] = u->Xs[r_channel][a_i];
+ memcpy(u->Hs[c][b_i], u->Hs[r_channel][a_i], FILTER_SIZE(u) * sizeof(float));
+ pa_aupdate_write_end(u->a_H[c]);
+ }
+ }
+ pa_aupdate_write_end(u->a_H[r_channel]);
+}
+
+void equalizer_handle_set_filter(DBusConnection *conn, DBusMessage *msg, void *_u){
+ struct userdata *u;
+ double *H, preamp;
+ uint32_t channel;
+ unsigned _n_coefs;
+ DBusMessage *signal = NULL;
+ DBusError error;
+ pa_assert_se(u = (struct userdata *) _u);
+ pa_assert(conn);
+ pa_assert(msg);
+
+ dbus_error_init(&error);
+ if(!dbus_message_get_args(msg, &error,
+ DBUS_TYPE_UINT32, &channel,
+ DBUS_TYPE_ARRAY, DBUS_TYPE_DOUBLE, &H, &_n_coefs,
+ DBUS_TYPE_DOUBLE, &preamp,
+ DBUS_TYPE_INVALID)){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "%s", error.message);
+ dbus_error_free(&error);
+ return;
+ }
+ if(channel > u->channels){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "invalid channel: %d", channel);
+ dbus_error_free(&error);
+ return;
+ }
+ if(_n_coefs != FILTER_SIZE(u)){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "This filter takes exactly %zd coefficients, you gave %d", FILTER_SIZE(u), _n_coefs);
+ return;
+ }
+ set_filter(u, channel, H, preamp);
+
+ pa_dbus_send_empty_reply(conn, msg);
+
+ pa_assert_se((signal = dbus_message_new_signal(u->dbus_path, EQUALIZER_IFACE, equalizer_signals[EQUALIZER_SIGNAL_FILTER_CHANGED].name)));
+ pa_dbus_protocol_send_signal(u->dbus_protocol, signal);
+ dbus_message_unref(signal);
+}
+
+void equalizer_handle_save_profile(DBusConnection *conn, DBusMessage *msg, void *_u) {
+ struct userdata *u = (struct userdata *) _u;
+ char *name;
+ uint32_t channel, r_channel;
+ DBusMessage *signal = NULL;
+ DBusError error;
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(u);
+ dbus_error_init(&error);
+
+ if(!dbus_message_get_args(msg, &error,
+ DBUS_TYPE_UINT32, &channel,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_INVALID)){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "%s", error.message);
+ dbus_error_free(&error);
+ return;
+ }
+ if(channel > u->channels){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "invalid channel: %d", channel);
+ dbus_error_free(&error);
+ return;
+ }
+ r_channel = channel == u->channels ? 0 : channel;
+ save_profile(u, r_channel, name);
+ pa_dbus_send_empty_reply(conn, msg);
+
+ pa_assert_se((signal = dbus_message_new_signal(MANAGER_PATH, MANAGER_IFACE, manager_signals[MANAGER_SIGNAL_PROFILES_CHANGED].name)));
+ pa_dbus_protocol_send_signal(u->dbus_protocol, signal);
+ dbus_message_unref(signal);
+}
+
+void equalizer_handle_load_profile(DBusConnection *conn, DBusMessage *msg, void *_u) {
+ struct userdata *u = (struct userdata *) _u;
+ char *name;
+ DBusError error;
+ uint32_t channel, r_channel;
+ const char *err_msg = NULL;
+ DBusMessage *signal = NULL;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(u);
+ dbus_error_init(&error);
+
+ if(!dbus_message_get_args(msg, &error,
+ DBUS_TYPE_UINT32, &channel,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_INVALID)){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "%s", error.message);
+ dbus_error_free(&error);
+ return;
+ }
+ if(channel > u->channels){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "invalid channel: %d", channel);
+ dbus_error_free(&error);
+ return;
+ }
+ r_channel = channel == u->channels ? 0 : channel;
+
+ err_msg = load_profile(u, r_channel, name);
+ if(err_msg != NULL){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_FAILED, "error loading profile %s: %s", name, err_msg);
+ dbus_error_free(&error);
+ return;
+ }
+ if(channel == u->channels){
+ for(uint32_t c = 1; c < u->channels; ++c){
+ load_profile(u, c, name);
+ }
+ }
+ pa_dbus_send_empty_reply(conn, msg);
+
+ pa_assert_se((signal = dbus_message_new_signal(u->dbus_path, EQUALIZER_IFACE, equalizer_signals[EQUALIZER_SIGNAL_FILTER_CHANGED].name)));
+ pa_dbus_protocol_send_signal(u->dbus_protocol, signal);
+ dbus_message_unref(signal);
+}
+
+void equalizer_handle_save_state(DBusConnection *conn, DBusMessage *msg, void *_u) {
+ struct userdata *u = (struct userdata *) _u;
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(u);
+
+ save_state(u);
+ pa_dbus_send_empty_reply(conn, msg);
+}
+
+void equalizer_handle_get_profile_name(DBusConnection *conn, DBusMessage *msg, void *_u){
+ struct userdata *u = (struct userdata *) _u;
+ DBusError error;
+ uint32_t channel, r_channel;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(u);
+ dbus_error_init(&error);
+
+ if(!dbus_message_get_args(msg, &error,
+ DBUS_TYPE_UINT32, &channel,
+ DBUS_TYPE_INVALID)){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "%s", error.message);
+ dbus_error_free(&error);
+ return;
+ }
+ if(channel > u->channels){
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "invalid channel: %d", channel);
+ dbus_error_free(&error);
+ return;
+ }
+ r_channel = channel == u->channels ? 0 : channel;
+ pa_assert(u->base_profiles[r_channel]);
+ pa_dbus_send_basic_value_reply(conn,msg, DBUS_TYPE_STRING, &u->base_profiles[r_channel]);
+}
+
+void equalizer_get_revision(DBusConnection *conn, DBusMessage *msg, void *_u){
+ uint32_t rev=1;
+ pa_dbus_send_basic_value_reply(conn, msg, DBUS_TYPE_UINT32, &rev);
+}
+
+void equalizer_get_n_channels(DBusConnection *conn, DBusMessage *msg, void *_u){
+ struct userdata *u;
+ uint32_t channels;
+ pa_assert_se(u = (struct userdata *) _u);
+ pa_assert(conn);
+ pa_assert(msg);
+
+ channels = (uint32_t) u->channels;
+ pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &channels);
+}
+
+void equalizer_get_n_coefs(DBusConnection *conn, DBusMessage *msg, void *_u){
+ struct userdata *u;
+ uint32_t n_coefs;
+ pa_assert_se(u = (struct userdata *) _u);
+ pa_assert(conn);
+ pa_assert(msg);
+
+ n_coefs = (uint32_t) CHANNEL_PROFILE_SIZE(u);
+ pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &n_coefs);
+}
+
+void equalizer_get_sample_rate(DBusConnection *conn, DBusMessage *msg, void *_u){
+ struct userdata *u;
+ uint32_t rate;
+ pa_assert_se(u = (struct userdata *) _u);
+ pa_assert(conn);
+ pa_assert(msg);
+
+ rate = (uint32_t) u->sink->sample_spec.rate;
+ pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &rate);
+}
+
+void equalizer_get_filter_rate(DBusConnection *conn, DBusMessage *msg, void *_u){
+ struct userdata *u;
+ uint32_t fft_size;
+ pa_assert_se(u = (struct userdata *) _u);
+ pa_assert(conn);
+ pa_assert(msg);
+
+ fft_size = (uint32_t) u->fft_size;
+ pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &fft_size);
+}
+
+void equalizer_get_all(DBusConnection *conn, DBusMessage *msg, void *_u){
+ struct userdata *u;
+ DBusMessage *reply = NULL;
+ DBusMessageIter msg_iter, dict_iter;
+ uint32_t rev, n_coefs, rate, fft_size, channels;
+
+ pa_assert_se(u = _u);
+ pa_assert(msg);
+
+ rev = 1;
+ n_coefs = (uint32_t) CHANNEL_PROFILE_SIZE(u);
+ rate = (uint32_t) u->sink->sample_spec.rate;
+ fft_size = (uint32_t) u->fft_size;
+ channels = (uint32_t) u->channels;
+
+ pa_assert_se((reply = dbus_message_new_method_return(msg)));
+ dbus_message_iter_init_append(reply, &msg_iter);
+ pa_assert_se(dbus_message_iter_open_container(&msg_iter, DBUS_TYPE_ARRAY, "{sv}", &dict_iter));
+
+ pa_dbus_append_basic_variant_dict_entry(&dict_iter, equalizer_handlers[EQUALIZER_HANDLER_REVISION].property_name, DBUS_TYPE_UINT32, &rev);
+ pa_dbus_append_basic_variant_dict_entry(&dict_iter, equalizer_handlers[EQUALIZER_HANDLER_SAMPLERATE].property_name, DBUS_TYPE_UINT32, &rate);
+ pa_dbus_append_basic_variant_dict_entry(&dict_iter, equalizer_handlers[EQUALIZER_HANDLER_FILTERSAMPLERATE].property_name, DBUS_TYPE_UINT32, &fft_size);
+ pa_dbus_append_basic_variant_dict_entry(&dict_iter, equalizer_handlers[EQUALIZER_HANDLER_N_COEFS].property_name, DBUS_TYPE_UINT32, &n_coefs);
+ pa_dbus_append_basic_variant_dict_entry(&dict_iter, equalizer_handlers[EQUALIZER_HANDLER_N_CHANNELS].property_name, DBUS_TYPE_UINT32, &channels);
+
+ pa_assert_se(dbus_message_iter_close_container(&msg_iter, &dict_iter));
+ pa_assert_se(dbus_connection_send(conn, reply, NULL));
+ dbus_message_unref(reply);
+}