thirdparty/scummvm
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Apply urkles MI1 MP3 CD Audio patch and Loom MP3 syncronisation fix patch

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svn-id: r4049
This commit is contained in:
James Brown 2002-04-22 11:18:11 +00:00
parent d447f05709
commit c74f966991
2 changed files with 19 additions and 7 deletions
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23
sound.cpp
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@ -106,8 +106,13 @@ void Scumm::playSound(int sound)
ptr = getResourceAddress(rtSound, sound);
if (ptr != NULL && READ_UINT32_UNALIGNED(ptr) == MKID('SOUN')) {
ptr += 8;
_system->play_cdrom(ptr[16], ptr[17] == 0xff ? -1 : ptr[17],
#ifdef COMPRESSED_SOUND_FILE
playMP3CDTrack(ptr[16], ptr[17] == 0xff ? -1 : ptr[17],
(ptr[18] * 60 + ptr[19]) * 75 + ptr[20], 0);
#else
_system->play_cdrom(ptr[16], ptr[17] == 0xff ? -1 : ptr[17],
(ptr[18] * 60 + ptr[19]) * 75 + ptr[20], 0);
#endif
current_cd_sound = sound;
return;
}
@ -717,7 +722,7 @@ void Scumm::playMP3CDTrack(int track, int num_loops, int start, int delay) {
if (_soundsPaused)
return;
if (!start && !delay) {
if (!num_loops && !start) {
_mixer->stop(_mp3_handle);
return;
}
@ -728,11 +733,17 @@ void Scumm::playMP3CDTrack(int track, int num_loops, int start, int delay) {
// Calc offset
frame_size = 144 * _mad_header[index].bitrate / _mad_header[index].samplerate;
offset = (long)((float)start / (float)75 * 1000 /
(float)((float)1152 / (float)_mad_header[index].samplerate *
1000) * (float)(frame_size + 0.5));
offset = (long)( (float)start / (float)75 * ((float)_mad_header[index].bitrate/(float)8));
// Calc delay
mad_timer_set(&duration, 0, delay, 75);
if (!delay) {
struct stat file_stat;
fstat(fileno(_mp3_tracks[index]),&file_stat);
mad_timer_set(&duration, 0,file_stat.st_size, (_mad_header[index].bitrate/8));
} else {
mad_timer_set(&duration, 0, delay, 75);
}
// Go
fseek(_mp3_tracks[index], offset, SEEK_SET);