+/*
+ * CINELERRA
+ * Copyright (C) 2015 Adam Williams <broadcast at earthling dot net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "assets.h"
+#include "audiodevice.h"
+#include "autos.h"
+#include "bchash.h"
+#include "bcpot.h"
+#include "bctimer.h"
+#include "cache.h"
+#include "convert.h"
+#include "edl.h"
+#include "edlsession.h"
+#include "file.h"
+#include "filesystem.h"
+#include "formattools.h"
+#include "indexfile.h"
+#include "language.h"
+#include "localsession.h"
+#include "mainerror.h"
+#include "mainindexes.h"
+#include "mainprogress.h"
+#include "mainundo.h"
+#include "mutex.h"
+#include "mwindow.h"
+#include "mwindowgui.h"
+#include "packagedispatcher.h"
+#include "packagerenderer.h"
+#include "panautos.h"
+#include "panauto.h"
+#include "preferences.h"
+#include "render.h"
+#include "theme.h"
+#include "tracks.h"
+
+
+#define WIDTH xS(400)
+#define HEIGHT yS(320)
+#define MAX_SCALE 16
+
+ConvertRender::ConvertRender(MWindow *mwindow, const char *suffix)
+ : Thread(1, 0, 0)
+{
+ this->mwindow = mwindow;
+ this->suffix = cstrdup(suffix);
+ format_asset = 0;
+ progress = 0;
+ progress_timer = new Timer;
+ convert_progress = 0;
+ counter_lock = new Mutex("ConvertDialog::counter_lock");
+ total_rendered = 0;
+ remove_originals = 0;
+ failed = 0; canceled = 0;
+ result = 0;
+ beep = 0;
+}
+
+ConvertRender::~ConvertRender()
+{
+ delete suffix;
+ delete progress;
+ delete counter_lock;
+ delete progress_timer;
+ delete convert_progress;
+ if( format_asset )
+ format_asset->remove_user();
+ reset();
+}
+
+void ConvertRender::reset()
+{
+ for( int i=0,n=orig_idxbls.size(); i<n; ++i )
+ orig_idxbls[i]->remove_user();
+ orig_idxbls.remove_all();
+ for( int i=0,n=orig_copies.size(); i<n; ++i )
+ orig_copies[i]->remove_user();
+ orig_copies.remove_all();
+ for( int i=0,n=needed_idxbls.size(); i<n; ++i )
+ needed_idxbls[i]->remove_user();
+ needed_idxbls.remove_all();
+ for( int i=0,n=needed_copies.size(); i<n; ++i )
+ needed_copies[i]->remove_user();
+ needed_copies.remove_all();
+}
+
+void ConvertRender::to_convert_path(char *new_path, Indexable *idxbl)
+{
+ strcpy(new_path, idxbl->path);
+ int n = strlen(suffix);
+ char *ep = new_path + strlen(new_path);
+ char *sfx = strrchr(new_path, '.');
+ if( sfx ) {
+// insert suffix, path.sfx => path+suffix-sfx.ext
+ char *bp = ep, *cp = (ep += n);
+ while( --bp > sfx ) *--cp = *bp;
+ *--cp = '-';
+ }
+ else {
+// insert suffix, path => path+suffix.ext
+ sfx = ep; ep += n;
+ }
+ for( const char *cp=suffix; --n>=0; ++cp ) *sfx++ = *cp;
+ *ep++ = '.';
+ const char *ext = format_asset->format == FILE_FFMPEG ?
+ format_asset->fformat :
+ File::get_tag(format_asset->format);
+ while( *ext ) *ep++ = *ext++;
+ *ep = 0;
+}
+
+int ConvertRender::from_convert_path(char *path, Indexable *idxbl)
+{
+ strcpy(path, idxbl->path);
+ char *ep = path + strlen(path);
+ const char *ext = format_asset->format == FILE_FFMPEG ?
+ format_asset->fformat :
+ File::get_tag(format_asset->format);
+ const char *rp = ext + strlen(ext);
+ do {
+ --rp; --ep;
+ } while( rp>=ext && ep>=path && *ep == *rp );
+ if( rp >= ext || ep < path && *--ep != '.' ) return 1; // didnt find .ext
+ int n = strlen(suffix), len = 0;
+ char *lp = ep - n; // <suffix-chars>+.ext
+ for( ; --lp>=path ; ++len ) {
+ if( strncmp(lp, suffix, n) ) continue;
+ if( !len || lp[n] == '-' ) break;
+ }
+ if( lp < path ) return 1; // didnt find suffix
+ if( *(rp=lp+n) == '-' ) {
+// remove suffix, path+suffix-sfx.ext >= path.sfx
+ *lp++ = '.'; ++rp;
+ while( rp < ep ) *lp++ = *rp++;
+ }
+// remove suffix, path+suffix.ext => path
+ *lp = 0;
+ return 0;
+}
+
+EDL *ConvertRender::convert_edl(EDL *edl, Indexable *idxbl)
+{
+ Asset *copy_asset = edl->assets->get_asset(idxbl->path);
+ if( !copy_asset ) return 0;
+ if( !copy_asset->layers && !copy_asset->channels ) return 0;
+// make a clip from 1st video track and audio tracks
+ EDL *copy_edl = new EDL(edl);
+ copy_edl->create_objects();
+ copy_edl->set_path(copy_asset->path);
+ char path[BCTEXTLEN];
+ FileSystem fs; fs.extract_name(path, copy_asset->path);
+ strcpy(copy_edl->local_session->clip_title, path);
+ strcpy(copy_edl->local_session->clip_notes, _("Convert clip"));
+ int64_t video_frames = idxbl->get_video_frames();
+ double frame_rate = idxbl->get_frame_rate();
+ double video_length = video_frames / frame_rate;
+ int64_t audio_samples = idxbl->get_audio_samples();
+ int sample_rate = idxbl->get_sample_rate();
+ double audio_length = (double)audio_samples / sample_rate;
+ copy_edl->session->video_tracks =
+ video_frames > 0 ? 1 : 0;
+ copy_edl->session->audio_tracks =
+ audio_samples > 0 ? copy_asset->channels : 0;
+ copy_edl->create_default_tracks();
+ Track *current = copy_edl->tracks->first;
+ for( int vtrack=0; current; current=NEXT ) {
+ if( current->data_type != TRACK_VIDEO ) continue;
+ current->insert_asset(copy_asset, 0, video_length, 0, vtrack);
+ break;
+ }
+ current = copy_edl->tracks->first;
+ for( int atrack=0; current; current=NEXT ) {
+ if( current->data_type != TRACK_AUDIO ) continue;
+ current->insert_asset(copy_asset, 0, audio_length, 0, atrack);
+ Autos *pan_autos = current->automation->autos[AUTOMATION_PAN];
+ PanAuto *pan_auto = (PanAuto*)pan_autos->get_auto_for_editing(-1);
+ for( int i=0; i < MAXCHANNELS; ++i ) pan_auto->values[i] = 0;
+ pan_auto->values[atrack++] = 1;
+ if( atrack >= MAXCHANNELS ) atrack = 0;
+ }
+ copy_edl->folder_no = AW_MEDIA_FOLDER;
+ return copy_edl;
+}
+
+int ConvertRender::add_original(EDL *edl, Indexable *idxbl)
+{
+ char new_path[BCTEXTLEN];
+// if idxbl already a convert
+ if( !from_convert_path(new_path, idxbl) ) return 0;
+// don't convert if not readable
+ if( idxbl->is_asset && access(idxbl->path, R_OK) ) return 0;
+// found readable unconverted asset
+ to_convert_path(new_path, idxbl);
+// add to orig_idxbls & orig_copies if it isn't already there.
+ int got_it = 0;
+ for( int i = 0; !got_it && i<orig_copies.size(); ++i )
+ got_it = !strcmp(orig_copies[i]->path, new_path);
+ if( got_it ) return 0;
+ idxbl->add_user();
+ orig_idxbls.append(idxbl);
+ int needed = 1;
+ Asset *convert = edl->assets->get_asset(new_path);
+ if( !convert ) {
+ convert = new Asset(new_path);
+ FileSystem fs;
+ if( fs.get_size(new_path) > 0 ) {
+// copy already on disk
+ int64_t orig_mtime = fs.get_date(idxbl->path);
+ int64_t convert_mtime = fs.get_date(new_path);
+// render needed if it is too old
+ if( orig_mtime < convert_mtime ) {
+ File file;
+ int ret = file.open_file(mwindow->preferences, convert, 1, 0);
+// render not needed if can use copy
+ if( ret == FILE_OK ) {
+ mwindow->mainindexes->add_next_asset(0, convert);
+ mwindow->mainindexes->start_build();
+ needed = 0;
+ }
+ }
+ }
+ }
+ else {
+// dont render if copy already an assets
+ convert->add_user();
+ needed = 0;
+ }
+ orig_copies.append(convert);
+ if( needed ) {
+ convert->copy_format(format_asset, 0);
+// new compression parameters
+ int64_t video_frames = idxbl->get_video_frames();
+ if( video_frames > 1 ) convert->video_data = 1;
+ int64_t audio_samples = idxbl->get_audio_samples();
+ if( audio_samples > 0 ) convert->audio_data = 1;
+ convert->folder_no = AW_MEDIA_FOLDER;
+ convert->layers = 1;
+ convert->width = idxbl->get_w();
+ if( convert->width & 1 ) ++convert->width;
+ convert->actual_width = convert->width;
+ convert->height = idxbl->get_h();
+ if( convert->height & 1 ) ++convert->height;
+ convert->actual_height = convert->height;
+ convert->frame_rate = mwindow->edl->session->frame_rate;
+ convert->sample_rate = mwindow->edl->session->sample_rate;
+ add_needed(idxbl, convert);
+ }
+ return 1;
+}
+
+void ConvertRender::add_needed(Indexable *idxbl, Asset *convert)
+{
+ needed_idxbls.append(idxbl);
+ idxbl->add_user();
+ needed_copies.append(convert);
+ convert->add_user();
+}
+
+
+int ConvertRender::is_canceled()
+{
+ return progress->is_cancelled();
+}
+
+int ConvertRender::find_convertable_assets(EDL *edl)
+{
+ reset();
+ Asset *orig_asset = edl->assets->first;
+ int count = 0;
+ for( ; orig_asset; orig_asset=orig_asset->next ) {
+ if( add_original(edl, orig_asset) )
+ ++count;
+ }
+ return count;
+}
+
+void ConvertRender::set_format(Asset *asset)
+{
+ if( !format_asset )
+ format_asset = new Asset();
+ format_asset->copy_from(asset, 0);
+}
+
+void ConvertRender::start_convert(float beep, int remove_originals)
+{
+ this->beep = beep;
+ this->remove_originals = remove_originals;
+ start();
+}
+
+void ConvertRender::run()
+{
+ mwindow->stop_brender();
+ result = 0;
+ total_rendered = 0;
+ failed = 0; canceled = 0;
+
+ progress_timer->update();
+ start_progress();
+
+ for( int i=0; !failed && !canceled && i<needed_copies.size(); ++i )
+ create_copy(i);
+
+ canceled = progress->is_cancelled();
+printf("convert: failed=%d canceled=%d\n", failed, canceled);
+ double elapsed_time = progress_timer->get_scaled_difference(1);
+
+ char elapsed[BCSTRLEN], text[BCSTRLEN];
+ Units::totext(elapsed, elapsed_time, TIME_HMS2);
+ printf("ConvertRender::run: done in %s\n", elapsed);
+ if( canceled )
+ strcpy(text, _("convert cancelled"));
+ else if( failed )
+ strcpy(text, _("convert failed"));
+ else
+ sprintf(text, _("convert %d files, render time %s"),
+ needed_copies.size(), elapsed);
+// stop progress bar
+ stop_progress(text);
+
+ if( !failed ) {
+ mwindow->finish_convert(remove_originals);
+ }
+ else if( !canceled ) {
+ eprintf(_("Error making convert."));
+ }
+
+ if( !canceled && beep > 0 ) {
+ if( failed ) {
+ mwindow->beep(4000., 0.5, beep);
+ usleep(250000);
+ mwindow->beep(1000., 0.5, beep);
+ usleep(250000);
+ mwindow->beep(4000., 0.5, beep);
+ }
+ else
+ mwindow->beep(2000., 2.0, beep);
+ }
+ mwindow->restart_brender();
+}
+
+void ConvertRender::start_progress()
+{
+ double total_len= 0;
+ for( int i = 0; i < needed_idxbls.size(); i++ ) {
+ Indexable *orig_idxbl = needed_idxbls[i];
+ int64_t video_frames = orig_idxbl->get_video_frames();
+ double frame_rate = orig_idxbl->get_frame_rate();
+ double video_length = video_frames / frame_rate;
+ int64_t audio_samples = orig_idxbl->get_audio_samples();
+ int sample_rate = orig_idxbl->get_sample_rate();
+ double audio_length = (double)audio_samples / sample_rate;
+ double length = bmax(video_length, audio_length);
+ total_len += length;
+ }
+ int64_t total_samples = total_len * format_asset->sample_rate;
+ mwindow->gui->lock_window("Render::start_progress");
+ progress = mwindow->mainprogress->
+ start_progress(_("Convert files..."), total_samples);
+ mwindow->gui->unlock_window();
+ convert_progress = new ConvertProgress(mwindow, this);
+ convert_progress->start();
+}
+
+void ConvertRender::stop_progress(const char *msg)
+{
+ mwindow->gui->lock_window("ConvertRender::stop_progress");
+ delete convert_progress;
+ convert_progress = 0;
+ progress->update(0);
+ mwindow->mainprogress->end_progress(progress);
+ progress = 0;
+ mwindow->gui->show_message(msg);
+ mwindow->gui->update_default_message();
+ mwindow->gui->unlock_window();
+}
+
+
+ConvertPackageRenderer::ConvertPackageRenderer(ConvertRender *render)
+ : PackageRenderer()
+{
+ this->render = render;
+}
+
+ConvertPackageRenderer::~ConvertPackageRenderer()
+{
+}
+
+int ConvertPackageRenderer::get_master()
+{
+ return 1;
+}
+
+int ConvertPackageRenderer::get_result()
+{
+ return render->result;
+}
+
+void ConvertPackageRenderer::set_result(int value)
+{
+ if( value )
+ render->result = value;
+}
+
+void ConvertPackageRenderer::set_progress(int64_t value)
+{
+ render->counter_lock->lock("ConvertPackageRenderer::set_progress");
+// Increase total rendered for all nodes
+ render->total_rendered += value;
+ render->counter_lock->unlock();
+}
+
+int ConvertPackageRenderer::progress_cancelled()
+{
+ return render->progress && render->progress->is_cancelled();
+}
+
+ConvertProgress::ConvertProgress(MWindow *mwindow, ConvertRender *render)
+ : Thread(1, 0, 0)
+{
+ this->mwindow = mwindow;
+ this->render = render;
+ last_value = 0;
+}
+
+ConvertProgress::~ConvertProgress()
+{
+ cancel();
+ join();
+}
+
+void ConvertProgress::run()
+{
+ Thread::disable_cancel();
+ for( ;; ) {
+ if( render->total_rendered != last_value ) {
+ render->progress->update(render->total_rendered);
+ last_value = render->total_rendered;
+ }
+
+ Thread::enable_cancel();
+ sleep(1);
+ Thread::disable_cancel();
+ }
+}
+
+void ConvertRender::create_copy(int i)
+{
+ Indexable *orig_idxbl = needed_idxbls[i];
+ Asset *needed_copy = needed_copies[i];
+ int64_t video_frames = orig_idxbl->get_video_frames();
+ double frame_rate = orig_idxbl->get_frame_rate();
+ double video_length = video_frames / frame_rate;
+ int64_t audio_samples = orig_idxbl->get_audio_samples();
+ int sample_rate = orig_idxbl->get_sample_rate();
+ double audio_length = (double)audio_samples / sample_rate;
+ double length = bmax(video_length, audio_length);
+ EDL *edl = convert_edl(mwindow->edl, orig_idxbl);
+ ConvertPackageRenderer renderer(this);
+ renderer.initialize(mwindow, edl, mwindow->preferences, needed_copy);
+ PackageDispatcher dispatcher;
+ dispatcher.create_packages(mwindow, edl, mwindow->preferences,
+ SINGLE_PASS, needed_copy, 0, length, 0);
+ RenderPackage *package = dispatcher.get_package(0);
+ if( !renderer.render_package(package) ) {
+ Asset *asset = mwindow->edl->assets->update(needed_copy);
+ mwindow->mainindexes->add_next_asset(0, asset);
+ mwindow->mainindexes->start_build();
+ }
+ else
+ failed = 1;
+ edl->remove_user();
+}
+
+ConvertWindow::ConvertWindow(MWindow *mwindow, ConvertDialog *dialog, int x, int y)
+ : BC_Window(_(PROGRAM_NAME ": Convert settings"), x, y, WIDTH, HEIGHT,
+ -1, -1, 0, 0, 1)
+{
+ this->mwindow = mwindow;
+ this->dialog = dialog;
+ format_tools = 0;
+}
+
+ConvertWindow::~ConvertWindow()
+{
+ lock_window("ConvertWindow::~ConvertWindow");
+ delete format_tools;
+ unlock_window();
+}
+
+
+void ConvertWindow::create_objects()
+{
+ lock_window("ConvertWindow::create_objects");
+ int margin = mwindow->theme->widget_border;
+ int lmargin = margin + xS(10);
+
+ int x = lmargin;
+ int y = margin + yS(10);
+
+ BC_Title *text;
+ add_subwindow(text = new BC_Title(x, y,
+ _("Render untagged assets and replace in project")));
+ y += text->get_h() + margin + yS(10);
+ int y1 = y;
+ y += BC_Title::calculate_h(this, _("Tag suffix:")) + margin + yS(10);
+
+ x = lmargin;
+ format_tools = new ConvertFormatTools(mwindow, this, dialog->asset);
+ format_tools->create_objects(x, y, 1, 1, 1, 1, 0, 1, 0, 1, // skip the path
+ 0, 0);
+
+ x = lmargin;
+ add_subwindow(text = new BC_Title(x, y1, _("Tag suffix:")));
+ x = format_tools->format_text->get_x();
+ add_subwindow(suffix_text = new ConvertSuffixText(this, dialog, x, y1));
+ x = lmargin;
+ y += margin + yS(10);
+
+ add_subwindow(remove_originals = new ConvertRemoveOriginals(this, x, y));
+ x = lmargin;
+ y += remove_originals->get_h() + margin;
+
+ add_subwindow(beep_on_done = new ConvertBeepOnDone(this, x, y));
+ x += beep_on_done->get_w() + margin + xS(10);
+ add_subwindow(new BC_Title(x, y+yS(10), _("Beep on done volume")));
+// y += beep_on_done->get_h() + margin;
+
+ add_subwindow(new BC_OKButton(this));
+ add_subwindow(new BC_CancelButton(this));
+ show_window(1);
+ unlock_window();
+}
+
+ConvertSuffixText::ConvertSuffixText(ConvertWindow *gui,
+ ConvertDialog *dialog, int x, int y)
+ : BC_TextBox(x, y, 160, 1, dialog->suffix)
+{
+ this->gui = gui;
+ this->dialog = dialog;
+}
+
+ConvertSuffixText::~ConvertSuffixText()
+{
+}
+
+int ConvertSuffixText::handle_event()
+{
+ strcpy(dialog->suffix, get_text());
+ return 1;
+}
+
+ConvertFormatTools::ConvertFormatTools(MWindow *mwindow, ConvertWindow *gui, Asset *asset)
+ : FormatTools(mwindow, gui, asset)
+{
+ this->gui = gui;
+}
+
+void ConvertFormatTools::update_format()
+{
+ asset->save_defaults(mwindow->defaults, "CONVERT_", 1, 1, 0, 0, 0);
+ FormatTools::update_format();
+}
+
+
+ConvertMenuItem::ConvertMenuItem(MWindow *mwindow)
+ : BC_MenuItem(_("Convert..."), _("Alt-e"), 'e')
+{
+ this->mwindow = mwindow;
+ set_alt();
+ dialog = 0;
+}
+ConvertMenuItem::~ConvertMenuItem()
+{
+ delete dialog;
+}
+
+void ConvertMenuItem::create_objects()
+{
+ dialog = new ConvertDialog(mwindow);
+}
+
+int ConvertMenuItem::handle_event()
+{
+ mwindow->gui->unlock_window();
+ dialog->start();
+ mwindow->gui->lock_window("ConvertMenuItem::handle_event");
+ return 1;
+}
+
+
+ConvertDialog::ConvertDialog(MWindow *mwindow)
+{
+ this->mwindow = mwindow;
+ gui = 0;
+ asset = new Asset;
+ strcpy(suffix, ".convert");
+// quicker than some, not as good as others
+ asset->format = FILE_FFMPEG;
+ strcpy(asset->fformat, "mp4");
+ strcpy(asset->vcodec, "h264.mp4");
+ asset->ff_video_bitrate = 2560000;
+ asset->video_data = 1;
+ strcpy(asset->acodec, "h264.mp4");
+ asset->ff_audio_bitrate = 256000;
+ asset->audio_data = 1;
+ remove_originals = 1;
+ beep = 0;
+}
+
+ConvertDialog::~ConvertDialog()
+{
+ close_window();
+ asset->remove_user();
+}
+
+BC_Window* ConvertDialog::new_gui()
+{
+ asset->format = FILE_FFMPEG;
+ asset->frame_rate = mwindow->edl->session->frame_rate;
+ asset->sample_rate = mwindow->edl->session->sample_rate;
+ asset->load_defaults(mwindow->defaults, "CONVERT_", 1, 1, 0, 1, 0);
+ remove_originals = mwindow->defaults->get("CONVERT_REMOVE_ORIGINALS", remove_originals);
+ beep = mwindow->defaults->get("CONVERT_BEEP", beep);
+ mwindow->defaults->get("CONVERT_SUFFIX", suffix);
+ mwindow->gui->lock_window("ConvertDialog::new_gui");
+ int cx, cy;
+ mwindow->gui->get_abs_cursor(cx, cy);
+ gui = new ConvertWindow(mwindow, this, cx - WIDTH/2, cy - HEIGHT/2);
+ gui->create_objects();
+ mwindow->gui->unlock_window();
+ return gui;
+}
+
+void ConvertDialog::handle_close_event(int result)
+{
+ if( result ) return;
+ mwindow->defaults->update("CONVERT_SUFFIX", suffix);
+ mwindow->defaults->update("CONVERT_REMOVE_ORIGINALS", remove_originals);
+ mwindow->defaults->update("CONVERT_BEEP", beep);
+ asset->save_defaults(mwindow->defaults, "CONVERT_", 1, 1, 0, 1, 0);
+ mwindow->start_convert(asset, suffix, beep, remove_originals);
+}
+
+
+ConvertRemoveOriginals::ConvertRemoveOriginals(ConvertWindow *gui, int x, int y)
+ : BC_CheckBox(x, y, gui->dialog->remove_originals, _("Remove originals from project"))
+{
+ this->gui = gui;
+}
+
+ConvertRemoveOriginals::~ConvertRemoveOriginals()
+{
+}
+
+int ConvertRemoveOriginals::handle_event()
+{
+ gui->dialog->remove_originals = get_value();
+ return 1;
+}
+
+ConvertBeepOnDone::ConvertBeepOnDone(ConvertWindow *gui, int x, int y)
+ : BC_FPot(x, y, gui->dialog->beep*100.f, 0.f, 100.f)
+{
+ this->gui = gui;
+}
+
+int ConvertBeepOnDone::handle_event()
+{
+ gui->dialog->beep = get_value()/100.f;
+ return 1;
+}
+
+ConvertBeep::ConvertBeep(MWindow *mwindow)
+ : Thread(1, 0, 0)
+{
+ this->mwindow = mwindow;
+ audio = new AudioDevice(mwindow);
+ playing_audio = 0;
+ interrupted = -1;
+}
+
+ConvertBeep::~ConvertBeep()
+{
+ stop(0);
+ delete audio;
+}
+
+void ConvertBeep::run()
+{
+ int channels = 2;
+ int64_t bfrsz = BEEP_SAMPLE_RATE;
+ EDL *edl = mwindow->edl;
+ EDLSession *session = edl->session;
+ AudioOutConfig *aconfig = session->playback_config->aconfig;
+ audio->open_output(aconfig, BEEP_SAMPLE_RATE, bfrsz, channels, 0);
+ audio->start_playback();
+
+ double out0[bfrsz], out1[bfrsz], *out[2] = { out0, out1 };
+ const double two_pi = 2*M_PI;
+ int64_t audio_len = BEEP_SAMPLE_RATE * secs;
+ const double dt = two_pi * freq/BEEP_SAMPLE_RATE;
+ double th = 0;
+
+ audio_pos = 0;
+ playing_audio = 1;
+ while( !interrupted ) {
+ int len = audio_len - audio_pos;
+ if( len <= 0 ) break;
+ if( len > bfrsz ) len = bfrsz;
+ int k = audio_pos;
+ for( int i=0; i<len; ++i,++k,th+=dt ) {
+ double t = th - two_pi;
+ if( t >= 0 ) th = t;
+ out0[i] = out1[i] = sin(th) * gain;
+ }
+ audio->write_buffer(out, channels, len);
+ audio_pos = k;
+ }
+
+ if( !interrupted )
+ audio->set_last_buffer();
+ audio->stop_audio(interrupted ? 0 : 1);
+ playing_audio = 0;
+
+ audio->close_all();
+}
+
+void ConvertBeep::start()
+{
+ if( running() ) return;
+ audio_pos = -1;
+ interrupted = 0;
+ Thread::start();
+}
+
+void ConvertBeep::stop(int wait)
+{
+ if( running() && !interrupted ) {
+ interrupted = 1;
+ audio->stop_audio(wait);
+ }
+ Thread::join();
+}
+
+void ConvertBeep::tone(double freq, double secs, double gain)
+{
+ stop(0);
+ this->freq = freq;
+ this->secs = secs;
+ this->gain = gain;
+ start();
+}
+
projects / goodguy / cinelerra.git / commitdiff