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error check

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fix spurious underrun warnings
This commit is contained in:
Glenn Maynard
2004-09-10 01:07:19 +00:00
parent dc0542aafa
commit 7c60eeb61b
1 changed files with 6 additions and 3 deletions
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stepmania/src/arch/Sound/DSoundHelpers.cpp
+6 -3
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@@ -448,7 +448,7 @@ void DSoundBuf::CheckUnderrun( int cursorstart, int cursorend, int chunksize )
LOG->Trace("write_cursor %i, fake_write_cursor %i, fake_buffer_bytes_filled %i",
write_cursor, fake_write_cursor, fake_buffer_bytes_filled );
bool bCanCatchUp = contained(first_byte_filled, fake_write_cursor, cursorend);
bool bCanCatchUp = fake_buffer_bytes_filled >= buffersize || contained(first_byte_filled, fake_write_cursor, cursorend);
/*
* If bCanCatchUp is false, then based on our writeahead and the chunksize, we'll
* never fill the buffer. This isn't fuzzy; we simply aren't filling enough, and
@@ -617,9 +617,12 @@ void DSoundBuf::release_output_buf( char *buffer, unsigned bufsiz )
int64_t DSoundBuf::GetPosition() const
{
DWORD cursor, junk;
buf->GetCurrentPosition( &cursor, &junk );
HRESULT hr = buf->GetCurrentPosition( &cursor, &junk );
ASSERT_M( SUCCEEDED(hr), hr_ssprintf(hr, "GetCurrentPosition") );
ASSERT_M( (int) cursor < buffersize, ssprintf("%i, %i", cursor, buffersize) );
int cursor_frames = int(cursor) / bytes_per_frame();
int write_cursor_frames = write_cursor / bytes_per_frame();
int write_cursor_frames = write_cursor / bytes_per_frame();
int frames_behind = write_cursor_frames - cursor_frames;
/* frames_behind will be 0 if we're called before the buffer starts playing: