140 lines
2.8 KiB
C++
140 lines
2.8 KiB
C++
#include "foobar2000.h"
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static double parseFraction(const char * fraction) {
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unsigned v = 0, d = 1;
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while(pfc::char_is_numeric( *fraction) ) {
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d *= 10;
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v *= 10;
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v += (unsigned) ( *fraction - '0' );
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++fraction;
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}
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PFC_ASSERT( *fraction == 0 );
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return (double)v / (double)d;
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}
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static double parse_time(const char * time) {
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unsigned vTotal = 0, vCur = 0;
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for(;;) {
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char c = *time++;
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if (c == 0) return (double) (vTotal + vCur);
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else if (pfc::char_is_numeric( c ) ) {
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vCur = vCur * 10 + (unsigned)(c-'0');
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} else if (c == ':') {
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if (vCur >= 60) {PFC_ASSERT(!"Invalid input"); return 0; }
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vTotal += vCur; vCur = 0; vTotal *= 60;
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} else if (c == '.') {
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return (double) (vTotal + vCur) + parseFraction(time);
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} else {
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PFC_ASSERT(!"Invalid input"); return 0;
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}
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}
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}
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double playback_control::playback_get_length()
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{
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double rv = 0;
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metadb_handle_ptr ptr;
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if (get_now_playing(ptr))
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{
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rv = ptr->get_length();
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}
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return rv;
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}
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double playback_control::playback_get_length_ex() {
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double rv = 0;
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metadb_handle_ptr ptr;
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if (get_now_playing(ptr))
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{
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rv = ptr->get_length();
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if (rv <= 0) {
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pfc::string8 temp;
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titleformat_object::ptr script;
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titleformat_compiler::get()->compile_force(script, "[%length_ex%]");
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this->playback_format_title(NULL, temp, script, NULL, display_level_titles);
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if (temp.length() > 0) rv = parse_time(temp);
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}
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}
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return rv;
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}
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void playback_control::userPrev() {
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userActionHook();
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if (this->is_playing() && this->playback_can_seek() && this->playback_get_position() > 5) {
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this->playback_seek(0);
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} else {
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this->previous();
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}
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}
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void playback_control::userNext() {
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userActionHook();
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this->start(track_command_next);
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}
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void playback_control::userMute() {
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userActionHook();
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this->volume_mute_toggle();
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}
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void playback_control::userStop() {
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userActionHook();
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this->stop();
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}
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void playback_control::userPlay() {
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userActionHook();
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this->play_or_pause();
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}
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void playback_control::userPause() {
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userActionHook();
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nonUserPause();
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}
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void playback_control::nonUserPause() {
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if (this->is_playing()) {
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this->pause(true);
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}
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}
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void playback_control::userStart() {
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userActionHook();
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if (this->is_playing()) {
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this->pause(false);
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} else {
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this->start();
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}
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}
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static const double seekDelta = 30;
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void playback_control::userFastForward() {
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userActionHook();
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if (!this->playback_can_seek()) {
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this->userNext(); return;
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}
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this->playback_seek_delta(seekDelta);
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}
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void playback_control::userRewind() {
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userActionHook();
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if (!this->playback_can_seek()) {
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this->userPrev(); return;
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}
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double p = this->playback_get_position();
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if (p < 0) return;
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if (p < seekDelta) {
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if (p < seekDelta / 3) {
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this->userPrev();
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} else {
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this->playback_seek(0);
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}
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} else {
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this->playback_seek_delta(-30);
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}
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}
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