Jacek Caban : winepulse: Use NtAllocateVirtualMemory for tmp_buffer.
Alexandre Julliard
julliard at winehq.org
Thu May 27 16:02:12 CDT 2021
Module: wine
Branch: master
Commit: 77813eb7586779df0fb3b700000a17e339fd5ce3
URL: https://source.winehq.org/git/wine.git/?a=commit;h=77813eb7586779df0fb3b700000a17e339fd5ce3
Author: Jacek Caban <jacek at codeweavers.com>
Date: Wed May 26 16:18:53 2021 +0200
winepulse: Use NtAllocateVirtualMemory for tmp_buffer.
Signed-off-by: Jacek Caban <jacek at codeweavers.com>
Signed-off-by: Andrew Eikum <aeikum at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/winepulse.drv/pulse.c | 35 +++++++++++++++++++++++++----------
1 file changed, 25 insertions(+), 10 deletions(-)
diff --git a/dlls/winepulse.drv/pulse.c b/dlls/winepulse.drv/pulse.c
index 4710728cd88..96b9b696125 100644
--- a/dlls/winepulse.drv/pulse.c
+++ b/dlls/winepulse.drv/pulse.c
@@ -61,7 +61,7 @@ struct pulse_stream
INT32 locked;
UINT32 bufsize_frames, real_bufsize_bytes, period_bytes;
UINT32 started, peek_ofs, read_offs_bytes, lcl_offs_bytes, pa_offs_bytes;
- UINT32 tmp_buffer_bytes, held_bytes, peek_len, peek_buffer_len, pa_held_bytes;
+ SIZE_T tmp_buffer_bytes, held_bytes, peek_len, peek_buffer_len, pa_held_bytes;
BYTE *local_buffer, *tmp_buffer, *peek_buffer;
void *locked_ptr;
BOOL please_quit, just_started, just_underran;
@@ -909,7 +909,9 @@ static void WINAPI pulse_release_stream(struct pulse_stream *stream, HANDLE time
pa_stream_unref(stream->stream);
pulse_unlock();
- RtlFreeHeap(GetProcessHeap(), 0, stream->tmp_buffer);
+ if (stream->tmp_buffer)
+ NtFreeVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer,
+ &stream->tmp_buffer_bytes, MEM_RELEASE);
free(stream->peek_buffer);
RtlFreeHeap(GetProcessHeap(), 0, stream->local_buffer);
free(stream);
@@ -1077,8 +1079,7 @@ static void pulse_write(struct pulse_stream *stream)
}
buf = stream->local_buffer + stream->pa_offs_bytes;
- TRACE("held: %u, avail: %u\n",
- stream->pa_held_bytes, bytes);
+ TRACE("held: %lu, avail: %u\n", stream->pa_held_bytes, bytes);
bytes = min(stream->pa_held_bytes, bytes);
if (stream->pa_offs_bytes + bytes > stream->real_bufsize_bytes)
@@ -1453,14 +1454,24 @@ static HRESULT WINAPI pulse_reset(struct pulse_stream *stream)
return S_OK;
}
-static void alloc_tmp_buffer(struct pulse_stream *stream, UINT32 bytes)
+static BOOL alloc_tmp_buffer(struct pulse_stream *stream, SIZE_T bytes)
{
if (stream->tmp_buffer_bytes >= bytes)
- return;
+ return TRUE;
+
+ if (stream->tmp_buffer)
+ {
+ NtFreeVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer,
+ &stream->tmp_buffer_bytes, MEM_RELEASE);
+ stream->tmp_buffer = NULL;
+ stream->tmp_buffer_bytes = 0;
+ }
+ if (NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer,
+ 0, &bytes, MEM_COMMIT, PAGE_READWRITE))
+ return FALSE;
- RtlFreeHeap(GetProcessHeap(), 0, stream->tmp_buffer);
- stream->tmp_buffer = RtlAllocateHeap(GetProcessHeap(), 0, bytes);
stream->tmp_buffer_bytes = bytes;
+ return TRUE;
}
static UINT32 pulse_render_padding(struct pulse_stream *stream)
@@ -1515,7 +1526,11 @@ static HRESULT WINAPI pulse_get_render_buffer(struct pulse_stream *stream, UINT3
wri_offs_bytes = (stream->lcl_offs_bytes + stream->held_bytes) % stream->real_bufsize_bytes;
if (wri_offs_bytes + bytes > stream->real_bufsize_bytes)
{
- alloc_tmp_buffer(stream, bytes);
+ if (!alloc_tmp_buffer(stream, bytes))
+ {
+ pulse_unlock();
+ return E_OUTOFMEMORY;
+ }
*data = stream->tmp_buffer;
stream->locked = -bytes;
}
@@ -1590,7 +1605,7 @@ static HRESULT WINAPI pulse_release_render_buffer(struct pulse_stream *stream, U
stream->clock_written += written_bytes;
stream->locked = 0;
- TRACE("Released %u, held %zu\n", written_frames, stream->held_bytes / pa_frame_size(&stream->ss));
+ TRACE("Released %u, held %lu\n", written_frames, stream->held_bytes / pa_frame_size(&stream->ss));
pulse_unlock();
return S_OK;
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