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#include "wavesave.h"
#include "common/fmplayer_file.h"
#include <sndfile.h>
#include <string.h>
#include "libopna/opna.h"
#include "libopna/opnatimer.h"
#include "common/fmplayer_common.h"
#include "configdialog.h"
enum {
SRATE = 55467,
};
static void msgbox_err(GtkWindow *parent, const char *msg) {
GtkWidget *d = gtk_message_dialog_new(parent, GTK_DIALOG_MODAL,
GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
msg);
gtk_dialog_run(GTK_DIALOG(d));
gtk_widget_destroy(d);
}
static sf_count_t gio_get_filelen(void *ptr) {
(void)ptr;
return -1;
}
static sf_count_t gio_seek(sf_count_t offset, int whence, void *ptr) {
GFileOutputStream *os = ptr;
GSeekType st;
switch (whence) {
default:
st = G_SEEK_CUR;
break;
case SEEK_SET:
st = G_SEEK_SET;
break;
case SEEK_END:
st = G_SEEK_END;
break;
}
if (!g_seekable_seek(G_SEEKABLE(os), offset, st, 0, 0)) return -1;
return g_seekable_tell(G_SEEKABLE(os));
}
static sf_count_t gio_read(void *buf, sf_count_t count, void *ptr) {
(void)buf;
(void)count;
(void)ptr;
return -1;
}
static sf_count_t gio_write(const void *buf, sf_count_t count, void *ptr) {
GFileOutputStream *os = ptr;
return g_output_stream_write(G_OUTPUT_STREAM(os), buf, count, 0, 0);
}
static sf_count_t gio_tell(void *ptr) {
GFileOutputStream *os = ptr;
return g_seekable_tell(G_SEEKABLE(os));
}
static SF_VIRTUAL_IO sf_virt_gio = {
.get_filelen = gio_get_filelen,
.seek = gio_seek,
.read = gio_read,
.write = gio_write,
.tell = gio_tell,
};
struct fadeout {
struct opna_timer *timer;
struct fmdriver_work *work;
uint64_t vol;
uint8_t loopcnt;
};
static bool fadeout_mix(
struct fadeout *fadeout,
int16_t *buf, unsigned frames
) {
opna_timer_mix(fadeout->timer, buf, frames);
for (unsigned i = 0; i < frames; i++) {
int vol = fadeout->vol >> 16;
buf[i*2+0] = (buf[i*2+0] * vol) >> 16;
buf[i*2+1] = (buf[i*2+1] * vol) >> 16;
if (fadeout->work->loop_cnt >= fadeout->loopcnt) {
fadeout->vol = (fadeout->vol * 0xffff0000ull) >> 32;
}
}
return fadeout->vol;
}
struct thread_write_data {
struct opna opna;
struct opna_timer timer;
struct ppz8 ppz8;
struct fmdriver_work work;
struct fadeout fadeout;
SNDFILE *sndfile;
GtkDialog *dialog;
GtkProgressBar *pbar;
double fraction;
uint8_t adpcm_ram[OPNA_ADPCM_RAM_SIZE];
};
static gboolean idle_close_dialog(gpointer ptr) {
struct thread_write_data *data = ptr;
gtk_dialog_response(data->dialog, GTK_RESPONSE_ACCEPT);
return G_SOURCE_REMOVE;
}
static gboolean idle_progress_fraction(gpointer ptr) {
struct thread_write_data *data = ptr;
gtk_progress_bar_set_fraction(data->pbar, data->fraction);
return G_SOURCE_REMOVE;
}
static gpointer thread_write(gpointer ptr) {
struct thread_write_data *data = ptr;
enum {
BUFLEN = 1024,
};
int16_t buf[BUFLEN*2];
for (;;) {
memset(buf, 0, sizeof(buf));
bool end = !fadeout_mix(&data->fadeout, buf, BUFLEN);
if (sf_writef_short(data->sndfile, buf, BUFLEN) != BUFLEN) {
return 0;
}
double newfrac = (double)data->work.timerb_cnt / data->work.loop_timerb_cnt;
if ((newfrac - data->fraction) > 0.005) {
data->fraction = newfrac;
g_idle_add(idle_progress_fraction, ptr);
}
if (end) break;
}
g_idle_add(idle_close_dialog, ptr);
return 0;
}
static void wavesave(GtkWindow *parent,
struct fmplayer_file *fmfile,
const char *saveuri,
bool flac,
int loopcnt) {
if (loopcnt < 1) loopcnt = 1;
if (loopcnt > 0xff) loopcnt = 0xff;
GFile *savefile = g_file_new_for_uri(saveuri);
GFileOutputStream *os = g_file_replace(savefile, 0, TRUE, 0, 0, 0);
if (!os) {
msgbox_err(parent, "Cannot open output file");
g_object_unref(savefile);
return;
}
SF_INFO sfinfo = {
.samplerate = SRATE,
.channels = 2,
.format = (flac ? SF_FORMAT_FLAC : SF_FORMAT_WAV | SF_ENDIAN_CPU) | SF_FORMAT_PCM_16,
.seekable = 1,
};
SNDFILE *sndfile = sf_open_virtual(&sf_virt_gio, SFM_WRITE, &sfinfo, os);
if (!sndfile) {
char *msg = g_strjoin(0, "SNDFILE Error: ", sf_strerror(sndfile), (char *)0);
msgbox_err(parent, msg);
g_free(msg);
g_object_unref(os);
g_object_unref(savefile);
return;
}
struct thread_write_data *tdata = g_new0(struct thread_write_data, 1);
fmplayer_init_work_opna(&tdata->work, &tdata->ppz8, &tdata->opna, &tdata->timer, tdata->adpcm_ram);
opna_ssg_set_mix(&tdata->opna.ssg, fmplayer_config.ssg_mix);
opna_ssg_set_ymf288(&tdata->opna.ssg, &tdata->opna.resampler, fmplayer_config.ssg_ymf288);
ppz8_set_interpolation(&tdata->ppz8, fmplayer_config.ppz8_interp);
opna_fm_set_hires_sin(&tdata->opna.fm, fmplayer_config.fm_hires_sin);
opna_fm_set_hires_env(&tdata->opna.fm, fmplayer_config.fm_hires_env);
fmplayer_file_load(&tdata->work, fmfile, loopcnt);
tdata->fadeout.timer = &tdata->timer;
tdata->fadeout.work = &tdata->work;
tdata->fadeout.vol = 1ull<<32;
tdata->fadeout.loopcnt = loopcnt;
GtkWidget *dialog = gtk_dialog_new_with_buttons("Writing...",
parent,
GTK_DIALOG_MODAL,
"Cancel",
GTK_RESPONSE_CANCEL,
(void*)0);
GtkWidget *content = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
gtk_container_add(GTK_CONTAINER(content), gtk_label_new("Writing..."));
GtkWidget *progress = gtk_progress_bar_new();
gtk_container_add(GTK_CONTAINER(content), progress);
tdata->sndfile = sndfile;
tdata->dialog = GTK_DIALOG(dialog);
tdata->pbar = GTK_PROGRESS_BAR(progress);
tdata->fraction = 0.0;
GThread *thread = g_thread_new("Write Worker", thread_write, tdata);
gtk_widget_show_all(dialog);
gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
g_thread_join(thread);
sf_close(sndfile);
g_free(tdata);
g_object_unref(os);
g_object_unref(savefile);
}
enum {
RESPONSE_IGNORE = 1,
};
void wavesave_dialog(GtkWindow *parent, const char *uri) {
GtkWidget *fcd = gtk_file_chooser_dialog_new("Save wave file",
parent,
GTK_FILE_CHOOSER_ACTION_SAVE,
"Cancel",
GTK_RESPONSE_CANCEL,
"Save",
GTK_RESPONSE_ACCEPT,
(void *)0
);
GtkWidget *hbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 5);
GtkWidget *typecombo = gtk_combo_box_text_new();
gtk_widget_set_halign(typecombo, GTK_ALIGN_END);
gtk_box_pack_start(GTK_BOX(hbox), typecombo, FALSE, FALSE, 5);
gtk_combo_box_text_append(GTK_COMBO_BOX_TEXT(typecombo), 0, "RIFF WAVE (*.wav)");
gtk_combo_box_text_append(GTK_COMBO_BOX_TEXT(typecombo), 0, "FLAC (*.flac)");
gtk_combo_box_set_active(GTK_COMBO_BOX(typecombo), 0);
GtkWidget *loopbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 5);
gtk_widget_set_halign(loopbox, GTK_ALIGN_END);
gtk_box_pack_start(GTK_BOX(hbox), loopbox, FALSE, FALSE, 5);
gtk_box_pack_start(GTK_BOX(loopbox), gtk_label_new("Loop:"), FALSE, FALSE, 5);
GtkWidget *loopspin = gtk_spin_button_new_with_range(1.0, 255.0, 1.0);
gtk_spin_button_set_value(GTK_SPIN_BUTTON(loopspin), 2.0);
gtk_box_pack_start(GTK_BOX(loopbox), loopspin, FALSE, FALSE, 5);
gtk_container_add(GTK_CONTAINER(gtk_dialog_get_content_area(GTK_DIALOG(fcd))),
hbox);
gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(fcd), TRUE);
char *saveuri = 0;
gtk_widget_show_all(fcd);
gint res;
while ((res = gtk_dialog_run(GTK_DIALOG(fcd))) == RESPONSE_IGNORE);
if (res == GTK_RESPONSE_ACCEPT) {
saveuri = gtk_file_chooser_get_uri(GTK_FILE_CHOOSER(fcd));
}
int loopcnt = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(loopspin));
bool flac = gtk_combo_box_get_active(GTK_COMBO_BOX(typecombo));
gtk_widget_destroy(fcd);
if (saveuri) {
enum fmplayer_file_error error;
struct fmplayer_file *fmfile = fmplayer_file_alloc(uri, &error);
if (!fmfile) {
char *msg = g_strjoin(0, "Cannot load file: ", fmplayer_file_strerror(error), (char *)0);
msgbox_err(parent, msg);
g_free(msg);
} else {
wavesave(parent, fmfile, saveuri, flac, loopcnt);
fmplayer_file_free(fmfile);
}
}
g_free(saveuri);
}
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