[PATCH 2/3] quartz/dsoundrender: Don't let writepos advance past playpos.
Anton Baskanov
baskanov at gmail.com
Sun Apr 25 21:51:23 CDT 2021
Fixes audio stuttering during video playback in multiple games (e.g.
Commandos 2, Alien Nations, Dino Crisis Demo).
Signed-off-by: Anton Baskanov <baskanov at gmail.com>
---
dlls/quartz/dsoundrender.c | 5 +----
dlls/quartz/tests/dsoundrender.c | 2 +-
2 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/dlls/quartz/dsoundrender.c b/dlls/quartz/dsoundrender.c
index 6c6732e468a..f7f0255d4ab 100644
--- a/dlls/quartz/dsoundrender.c
+++ b/dlls/quartz/dsoundrender.c
@@ -149,7 +149,6 @@ static void DSoundRender_UpdatePositions(struct dsound_render *This, DWORD *seqw
static HRESULT DSoundRender_GetWritePos(struct dsound_render *This,
DWORD *ret_writepos, REFERENCE_TIME write_at, DWORD *pfree, DWORD *skip)
{
- WAVEFORMATEX *wfx = (WAVEFORMATEX *)This->sink.pin.mt.pbFormat;
DWORD writepos, min_writepos, playpos;
REFERENCE_TIME max_lag = 50 * 10000;
REFERENCE_TIME cur, writepos_t, delta_t;
@@ -212,10 +211,8 @@ static HRESULT DSoundRender_GetWritePos(struct dsound_render *This,
*ret_writepos = (min_writepos + aheadbytes) % This->buf_size;
}
end:
- if (playpos > *ret_writepos)
+ if (playpos >= *ret_writepos)
*pfree = playpos - *ret_writepos;
- else if (playpos == *ret_writepos)
- *pfree = This->buf_size - wfx->nBlockAlign;
else
*pfree = This->buf_size + playpos - *ret_writepos;
if (time_from_pos(This, This->buf_size - *pfree) >= DSoundRenderer_Max_Fill) {
diff --git a/dlls/quartz/tests/dsoundrender.c b/dlls/quartz/tests/dsoundrender.c
index c33c074d93d..e591e1832d5 100644
--- a/dlls/quartz/tests/dsoundrender.c
+++ b/dlls/quartz/tests/dsoundrender.c
@@ -737,7 +737,7 @@ static HRESULT send_frame(IMemInputPin *sink)
params->sink = sink;
params->sample = sample;
thread = CreateThread(NULL, 0, frame_thread, params, 0, NULL);
- ret = WaitForSingleObject(thread, 500);
+ ret = WaitForSingleObject(thread, 2000);
todo_wine_if (ret) ok(!ret, "Wait failed.\n");
GetExitCodeThread(thread, &ret);
CloseHandle(thread);
--
2.25.1
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