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winegstreamer: Read into an existing buffer if requested. 

oggdemux needs this.

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-03-10 15:06:20 -05:00 committed by Alexandre Julliard
parent c9f0d862b5
commit d61504f16b
1 changed files with 3 additions and 3 deletions
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4
dlls/winegstreamer/gstdemux.c
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@ -896,9 +896,8 @@ static GstFlowReturn request_buffer_src(GstPad *pad, GstObject *parent, guint64
HRESULT hr;
GstMapInfo info;
TRACE("%p %s %i %p\n", pad, wine_dbgstr_longlong(ofs), len, buf);
TRACE("pad %p, offset %s, length %u, buffer %p.\n", pad, wine_dbgstr_longlong(ofs), len, *buf);
*buf = NULL;
if (ofs == GST_BUFFER_OFFSET_NONE)
ofs = This->nextpullofs;
if (ofs >= This->filesize) {
@ -909,6 +908,7 @@ static GstFlowReturn request_buffer_src(GstPad *pad, GstObject *parent, guint64
len = This->filesize - ofs;
This->nextpullofs = ofs + len;
if (!*buf)
*buf = gst_buffer_new_and_alloc(len);
gst_buffer_map(*buf, &info, GST_MAP_WRITE);
hr = IAsyncReader_SyncRead(This->reader, ofs, len, info.data);