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mfreadwrite: Return earlier on ReadSample() is stream is deselected. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2019-11-05 14:09:44 +03:00 committed by Alexandre Julliard
parent a095d15769
commit 9cb55ea30d
1 changed files with 19 additions and 8 deletions
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27
dlls/mfreadwrite/main.c
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@ -591,10 +591,20 @@ static ULONG WINAPI src_reader_Release(IMFSourceReader *iface)
return refcount;
}
static HRESULT source_reader_get_stream_selection(const struct source_reader *reader, DWORD index, BOOL *selected)
{
IMFStreamDescriptor *sd;
if (FAILED(IMFPresentationDescriptor_GetStreamDescriptorByIndex(reader->descriptor, index, selected, &sd)))
return MF_E_INVALIDSTREAMNUMBER;
IMFStreamDescriptor_Release(sd);
return S_OK;
}
static HRESULT WINAPI src_reader_GetStreamSelection(IMFSourceReader *iface, DWORD index, BOOL *selected)
{
struct source_reader *reader = impl_from_IMFSourceReader(iface);
IMFStreamDescriptor *sd;
TRACE("%p, %#x, %p.\n", iface, index, selected);
@ -610,11 +620,7 @@ static HRESULT WINAPI src_reader_GetStreamSelection(IMFSourceReader *iface, DWOR
;
}
if (FAILED(IMFPresentationDescriptor_GetStreamDescriptorByIndex(reader->descriptor, index, selected, &sd)))
return MF_E_INVALIDSTREAMNUMBER;
IMFStreamDescriptor_Release(sd);
return S_OK;
return source_reader_get_stream_selection(reader, index, selected);
}
static HRESULT WINAPI src_reader_SetStreamSelection(IMFSourceReader *iface, DWORD index, BOOL selected)
@ -820,6 +826,7 @@ static HRESULT source_reader_read_sample(struct source_reader *reader, DWORD ind
struct media_stream *stream;
DWORD stream_index;
HRESULT hr = S_OK;
BOOL selected;
if (!stream_flags || !sample)
return E_POINTER;
@ -841,12 +848,16 @@ static HRESULT source_reader_read_sample(struct source_reader *reader, DWORD ind
stream_index = index;
}
if (stream_index >= reader->stream_count)
/* Can't read from deselected streams. */
if (SUCCEEDED(hr = source_reader_get_stream_selection(reader, stream_index, &selected)) && !selected)
hr = MF_E_INVALIDREQUEST;
if (FAILED(hr))
{
*stream_flags = MF_SOURCE_READERF_ERROR;
if (actual_index)
*actual_index = index;
return MF_E_INVALIDSTREAMNUMBER;
return hr;
}
if (actual_index)