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winegstreamer: Manually track read offsets in the media source. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2021-02-18 17:01:23 -06:00 committed by Alexandre Julliard
parent b8719736c5
commit 38330678a0
1 changed files with 16 additions and 5 deletions
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21
dlls/winegstreamer/media_source.c
View File

@ -111,6 +111,8 @@ struct media_source
SOURCE_SHUTDOWN,
} state;
HANDLE no_more_pads_event;
uint64_t file_size, next_pull_offset;
};
static inline struct media_stream *impl_from_IMFMediaStream(IMFMediaStream *iface)
@ -449,11 +451,12 @@ GstFlowReturn bytestream_wrapper_pull(GstPad *pad, GstObject *parent, guint64 of
TRACE("requesting %u bytes at %s from source %p into buffer %p\n", len, wine_dbgstr_longlong(ofs), source, *buf);
if (ofs != GST_BUFFER_OFFSET_NONE)
{
if (FAILED(IMFByteStream_SetCurrentPosition(byte_stream, ofs)))
return GST_FLOW_ERROR;
}
if (ofs == GST_BUFFER_OFFSET_NONE)
ofs = source->next_pull_offset;
source->next_pull_offset = ofs + len;
if (FAILED(IMFByteStream_SetCurrentPosition(byte_stream, ofs)))
return GST_FLOW_ERROR;
if (FAILED(IMFByteStream_IsEndOfStream(byte_stream, &is_eof)))
return GST_FLOW_ERROR;
@ -1244,6 +1247,7 @@ static HRESULT media_source_constructor(IMFByteStream *bytestream, struct media_
struct media_source *object;
gint64 total_pres_time = 0;
DWORD bytestream_caps;
uint64_t file_size;
unsigned int i;
HRESULT hr;
int ret;
@ -1257,6 +1261,12 @@ static HRESULT media_source_constructor(IMFByteStream *bytestream, struct media_
return MF_E_BYTESTREAM_NOT_SEEKABLE;
}
if (FAILED(hr = IMFByteStream_GetLength(bytestream, &file_size)))
{
FIXME("Failed to get byte stream length, hr %#x.\n", hr);
return hr;
}
if (!(object = heap_alloc_zero(sizeof(*object))))
return E_OUTOFMEMORY;
@ -1266,6 +1276,7 @@ static HRESULT media_source_constructor(IMFByteStream *bytestream, struct media_
object->byte_stream = bytestream;
IMFByteStream_AddRef(bytestream);
object->no_more_pads_event = CreateEventA(NULL, FALSE, FALSE, NULL);
object->file_size = file_size;
if (FAILED(hr = MFCreateEventQueue(&object->event_queue)))
goto fail;