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Seems to fix DSound player repeat-at-end problem.

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Also avoid throwing-catching an exception during audio display drawing, only because it looks bad in the debug output.

Originally committed to SVN as r1449.
This commit is contained in:
Niels Martin Hansen 2007-07-28 13:59:32 +00:00
parent 3f934a66db
commit 9ab2d1c7fe
2 changed files with 15 additions and 7 deletions
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1
aegisub/audio_display.cpp
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@ -394,6 +394,7 @@ void AudioDisplay::DrawInactiveLines(wxDC &dc) {
for (int j=shadeFrom;j<shadeTo;j++) {
if (j == line_n) continue;
if (j < 0) continue;
shade = grid->GetDialogue(j);
if (shade) {

21
aegisub/audio_player_dsound.cpp
View file

@ -182,8 +182,7 @@ void DirectSoundPlayer::OpenStream() {
waveFormat.cbSize = 0;
// Create the buffer initializer
//int aim = waveFormat.nAvgBytesPerSec + waveFormat.nAvgBytesPerSec/2; // one and a half second of buffer
int aim = waveFormat.nAvgBytesPerSec / 4; // quarter second of buffer
int aim = waveFormat.nAvgBytesPerSec * 15/100; // 150 ms buffer
int min = DSBSIZE_MIN;
int max = DSBSIZE_MAX;
bufSize = MIN(MAX(min,aim),max);
@ -261,6 +260,8 @@ bool DirectSoundPlayer::FillBuffer(bool fill) {
}
// If we're going to fill the entire buffer (ie. at start of playback) start by zeroing it out
// If it's not zeroed out we might have a playback selection shorter than the buffer
// and then everything after the playback selection will be junk, which we don't want played.
if (fill) {
RetryClear:
res = buffer->Lock(0, bufSize, &ptr1, &size1, &ptr2, &size2, 0);
@ -296,6 +297,10 @@ RetryLock:
unsigned long int count1 = size1 / bytesps;
unsigned long int count2 = size2 / bytesps;
if (count1) wxLogDebug(_T("DS fill: %05lu -> %05lu"), (unsigned long)playPos, (unsigned long)playPos+count1);
if (count2) wxLogDebug(_T("DS fill: %05lu => %05lu"), (unsigned long)playPos+count1, (unsigned long)playPos+count1+count2);
if (!count1 && !count2) wxLogDebug(_T("DS fill: nothing"));
// Get source wave
if (count1) provider->GetAudioWithVolume(ptr1, playPos, count1, volume);
if (count2) provider->GetAudioWithVolume(ptr2, playPos+count1, count2, volume);
@ -307,7 +312,7 @@ RetryLock:
// Update offset
offset = (offset + count1*bytesps + count2*bytesps) % bufSize;
return true; // If delta>0 we hit end of stream
return playPos < endPos;
}
@ -425,7 +430,7 @@ DirectSoundPlayerThread::~DirectSoundPlayerThread() {
wxThread::ExitCode DirectSoundPlayerThread::Entry() {
// Wake up thread every half second to fill buffer as needed
// This more or less assumes the buffer is at least one second long
while (WaitForSingleObject(stopnotify, 100) == WAIT_TIMEOUT) {
while (WaitForSingleObject(stopnotify, 50) == WAIT_TIMEOUT) {
if (!parent->FillBuffer(false)) {
// FillBuffer returns false when end of stream is reached
wxLogDebug(_T("DS thread hit end of stream"));
@ -435,7 +440,7 @@ wxThread::ExitCode DirectSoundPlayerThread::Entry() {
// Now fill buffer with silence
DWORD bytesFilled = 0;
while (WaitForSingleObject(stopnotify, 100) == WAIT_TIMEOUT) {
while (WaitForSingleObject(stopnotify, 50) == WAIT_TIMEOUT) {
void *buf1, *buf2;
DWORD size1, size2;
DWORD playpos;
@ -448,13 +453,15 @@ wxThread::ExitCode DirectSoundPlayerThread::Entry() {
if (FAILED(res)) break;
if (size1) memset(buf1, 0, size1);
if (size2) memset(buf2, 0, size2);
if (size1) wxLogDebug(_T("DS blnk: %05ld -> %05ld"), (unsigned long)parent->playPos+bytesFilled, (unsigned long)parent->playPos+bytesFilled+size1);
if (size2) wxLogDebug(_T("DS blnk: %05ld => %05ld"), (unsigned long)parent->playPos+bytesFilled+size1, (unsigned long)parent->playPos+bytesFilled+size1+size2);
bytesFilled += size1 + size2;
parent->buffer->Unlock(buf1, size1, buf2, size2);
if (bytesFilled >= parent->bufSize) break;
if (bytesFilled > parent->bufSize) break;
parent->offset = (parent->offset + size1 + size2) % parent->bufSize;
}
WaitForSingleObject(stopnotify, 300);
WaitForSingleObject(stopnotify, 150);
wxLogDebug(_T("DS thread dead"));