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#include "capture.h"
#include <pulse/pulseaudio.h>
#include <gtk/gtk.h>
#define APP_TITLE "Test 5 lpo"
#define BUFSIZE 1024
extern void my_process(float *data, size_t nsamples, size_t nchan);
capture_sound_level_cb_t *capture_sound_level_cb=NULL;
int capture_init(pa_mainloop **m, pa_context **c);
void context_state_callback(pa_context *c, void *userdata);
void context_get_server_info_callback(pa_context *c, const pa_server_info*si, void *userdata);
void context_get_source_info_callback(pa_context *c, const pa_source_info *si, int is_last, void *userdata);
pa_stream * create_stream(pa_context *c, const pa_source_info *si);
void stream_state_callback(pa_stream *s, void *userdata);
void stream_read_callback(pa_stream *s, size_t nbytes, void *userdata);
char *device_name=NULL;
// Main procedure of this thread
void audio_thread(void *args) {
pa_context *c;
pa_mainloop *m;
int res, retval;
capture_sound_level_cb=(capture_sound_level_cb_t *)args;
//printf("debug : args==%p capture_sound_level_cb==%p\n", args, capture_sound_level_cb);
res=capture_init(&m, &c);
g_assert(res==0);
res=pa_mainloop_run(m,&retval);
g_assert(res==0);
g_assert(retval==0);
// pa_context_disconnect(pa_ct);
pa_mainloop_free(m);
}
int capture_init(pa_mainloop **m, pa_context **c) {
int res=0;
*m=pa_mainloop_new();
g_assert(*m);
*c = pa_context_new(pa_mainloop_get_api(*m), APP_TITLE);
g_assert(*c);
pa_context_set_state_callback(*c, context_state_callback, NULL);
res=pa_context_connect(*c, NULL, PA_CONTEXT_NOAUTOSPAWN, NULL);
return res;
}
void context_state_callback(pa_context *c, void *userdata) {
switch (pa_context_get_state(c)) {
case PA_CONTEXT_UNCONNECTED:
printf("PA_CONTEXT_UNCONNECTED\n");
break;
case PA_CONTEXT_CONNECTING:
printf("PA_CONTEXT_CONNECTING\n");
break;
case PA_CONTEXT_AUTHORIZING:
printf("PA_CONTEXT_AUTHORIZING\n");
break;
case PA_CONTEXT_SETTING_NAME:
printf("PA_CONTEXT_SETTING_NAME\n");
break;
case PA_CONTEXT_READY:
printf("PA_CONTEXT_READY\n");
// if (!device_name) {
pa_operation_unref(pa_context_get_server_info(c, context_get_server_info_callback, NULL));
/* } else {
pa_operation_unref(pa_context_get_source_info_by_name(c, device_name, context_get_source_info_callback, NULL));
}
*/
break;
case PA_CONTEXT_FAILED:
printf("PA_CONTEXT_FAILED\n");
break;
case PA_CONTEXT_TERMINATED:
printf("PA_CONTEXT_TERMINATED\n");
break;
}
}
void context_get_server_info_callback(pa_context *c, const pa_server_info*si, void *userdata) {
if (!si) {
printf("Failed to get server information\n");
return;
}
if (!si->default_source_name) {
printf("No default source set\n");
return;
}
pa_operation_unref(pa_context_get_source_info_by_name(c, si->default_source_name, context_get_source_info_callback, NULL));
}
void context_get_source_info_callback(pa_context *c, const pa_source_info *si, int is_last, void *userdata) {
if (is_last < 0) {
printf("Failed to get sink information\n");
return;
}
if (!si) {
return;
}
create_stream(c,si);
}
pa_stream *create_stream(pa_context *c, const pa_source_info *si) {
static const pa_buffer_attr ba={
.maxlength=-1,
.tlength=1024,
.prebuf=-1,
.minreq=-1,
// .minreq=256, //For FFT calculus
.fragsize=512
};
pa_sample_spec nss = {
.format = PA_SAMPLE_FLOAT32LE,
.rate = si->sample_spec.rate,
.channels = si->sample_spec.channels
};
pa_stream *stream=NULL;
//pa_proplist *pl=NULL;
char t[256];
/*
pa_channel_map cmap;
pa_channel_map_init_mono(&cmap);
//pa_channel_map_init_stereo(&cmap);
*/
printf("Source : %s (%s)\n", si->name, si->description);
printf("Using sample format: %s\n", pa_sample_spec_snprint(t, sizeof(t), &nss));
printf("Using channel map: %s\n", pa_channel_map_snprint(t, sizeof(t), &(si->channel_map)));
/*
pl=pa_proplist_new();
pa_proplist_set(pl, "maxlength", &pl_maxlength, sizeof(pl_maxlength));
pa_proplist_set(pl, "tlength", &pl_tlength, sizeof(pl_tlength));
pa_proplist_set(pl, "fragsize", &pl_fragsize, sizeof(pl_fragsize));
*/
stream=pa_stream_new(c, APP_TITLE, &nss, &(si->channel_map));
//stream=pa_stream_new_with_proplist(c, APP_TITLE, &(si->sample_spec), &(si->channel_map), pl);
pa_stream_set_state_callback(stream, stream_state_callback, NULL);
pa_stream_set_read_callback(stream, stream_read_callback, NULL);
//pa_stream_connect_record(stream, APP_TITLE, NULL, (enum pa_stream_flags) 0);
pa_stream_connect_record(stream, si->name, &ba, PA_STREAM_ADJUST_LATENCY);
return stream;
}
void stream_state_callback(pa_stream *s, void *userdata) {
switch (pa_stream_get_state(s)) {
case PA_STREAM_UNCONNECTED:
printf("PA_STREAM_UNCONNECTED\n");
break;
case PA_STREAM_CREATING:
printf("PA_STREAM_CREATING\n");
break;
case PA_STREAM_READY:
printf("PA_STREAM_READY\n");
//g_timeout_add(100, latency_func, NULL);
//pa_operation_unref(pa_stream_update_timing_info(stream, stream_update_timing_info_callback, NULL));
break;
case PA_STREAM_FAILED:
printf("PA_STREAM_FAILED\n");
break;
case PA_STREAM_TERMINATED:
printf("PA_STREAM_TERMINATED\n");
break;
}
}
void stream_read_callback(pa_stream *s, size_t nbytes, void *userdata) {
const void *p;
//printf("stream_read_callback %i\n", nbytes);
if (pa_stream_peek(s, &p, &nbytes) < 0) {
printf("pa_stream_peek() failed\n");//: %s", pa_strerror(pa_context_errno(context)));
return;
}
//printf("debug : before call capture_sound_level_cb==%p\n", capture_sound_level_cb);
my_process((float *)p,nbytes/sizeof(float), pa_stream_get_sample_spec(s)->channels);
//printf("debug : after call capture_sound_level_cb==%p\n", capture_sound_level_cb);
pa_stream_drop(s);
}
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