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mfreadwrite: Determine first streams on reader creation. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2019-03-19 11:17:34 +03:00 committed by Alexandre Julliard
parent 160b4093cf
commit 79b37c8aa0
1 changed files with 48 additions and 0 deletions
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48
dlls/mfreadwrite/main.c
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@ -30,6 +30,8 @@
#undef INITGUID
#include <guiddef.h>
#include "mfapi.h"
#include "mferror.h"
#include "mfidl.h"
#include "mfreadwrite.h"
@ -77,6 +79,8 @@ typedef struct source_reader
LONG refcount;
IMFMediaSource *source;
IMFPresentationDescriptor *descriptor;
DWORD first_audio_stream_index;
DWORD first_video_stream_index;
} srcreader;
struct sink_writer
@ -374,6 +378,40 @@ struct IMFSourceReaderVtbl srcreader_vtbl =
src_reader_GetPresentationAttribute
};
static DWORD reader_get_first_stream_index(IMFPresentationDescriptor *descriptor, const GUID *major)
{
unsigned int count, i;
BOOL selected;
HRESULT hr;
GUID guid;
if (FAILED(IMFPresentationDescriptor_GetStreamDescriptorCount(descriptor, &count)))
return MF_SOURCE_READER_INVALID_STREAM_INDEX;
for (i = 0; i < count; ++i)
{
IMFMediaTypeHandler *handler;
IMFStreamDescriptor *sd;
if (SUCCEEDED(IMFPresentationDescriptor_GetStreamDescriptorByIndex(descriptor, i, &selected, &sd)))
{
hr = IMFStreamDescriptor_GetMediaTypeHandler(sd, &handler);
IMFStreamDescriptor_Release(sd);
if (SUCCEEDED(hr))
{
hr = IMFMediaTypeHandler_GetMajorType(handler, &guid);
IMFMediaTypeHandler_Release(handler);
if (SUCCEEDED(hr) && IsEqualGUID(&guid, major))
{
return i;
}
}
}
}
return MF_SOURCE_READER_INVALID_STREAM_INDEX;
}
static HRESULT create_source_reader_from_source(IMFMediaSource *source, IMFAttributes *attributes,
REFIID riid, void **out)
{
@ -393,6 +431,16 @@ static HRESULT create_source_reader_from_source(IMFMediaSource *source, IMFAttri
if (FAILED(hr = IMFMediaSource_CreatePresentationDescriptor(object->source, &object->descriptor)))
goto failed;
/* At least one major type has to be set. */
object->first_audio_stream_index = reader_get_first_stream_index(object->descriptor, &MFMediaType_Audio);
object->first_video_stream_index = reader_get_first_stream_index(object->descriptor, &MFMediaType_Video);
if (object->first_audio_stream_index == MF_SOURCE_READER_INVALID_STREAM_INDEX &&
object->first_video_stream_index == MF_SOURCE_READER_INVALID_STREAM_INDEX)
{
hr = MF_E_ATTRIBUTENOTFOUND;
}
if (FAILED(hr = IMFMediaSource_BeginGetEvent(object->source, &object->source_events_callback,
(IUnknown *)object->source)))
{