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/*
*
* Copyright 2014 Austin English
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#define COBJMACROS
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "ole2.h"
#include "rpcproxy.h"
#undef INITGUID
#include <guiddef.h>
#include "mfapi.h"
#include "mferror.h"
#include "mfidl.h"
#include "mfreadwrite.h"
#include "wine/debug.h"
#include "wine/heap.h"
#include "wine/list.h"
#include "mf_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(mfplat);
static HINSTANCE mfinstance;
BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
{
switch (reason)
{
case DLL_WINE_PREATTACH:
return FALSE; /* prefer native version */
case DLL_PROCESS_ATTACH:
mfinstance = instance;
DisableThreadLibraryCalls(instance);
break;
}
return TRUE;
}
HRESULT WINAPI DllCanUnloadNow(void)
{
return S_FALSE;
}
HRESULT WINAPI DllRegisterServer(void)
{
return __wine_register_resources( mfinstance );
}
HRESULT WINAPI DllUnregisterServer(void)
{
return __wine_unregister_resources( mfinstance );
}
struct stream_response
{
struct list entry;
HRESULT status;
DWORD stream_index;
DWORD stream_flags;
LONGLONG timestamp;
IMFSample *sample;
};
enum media_stream_state
{
STREAM_STATE_READY = 0,
STREAM_STATE_EOS,
};
enum media_source_state
{
SOURCE_STATE_STOPPED = 0,
SOURCE_STATE_STARTED,
};
enum media_stream_flags
{
STREAM_FLAG_SAMPLE_REQUESTED = 0x1, /* Protects from making multiple sample requests. */
STREAM_FLAG_SELECTED = 0x2, /* Mirrors descriptor, used to simplify tests when starting the source. */
STREAM_FLAG_PRESENTED = 0x4, /* Set if stream was selected last time Start() was called. */
STREAM_FLAG_REQUESTED_ONCE = 0x8, /* Used for MF_SOURCE_READER_ANY_STREAM in synchronous mode. */
};
struct media_stream
{
IMFMediaStream *stream;
IMFMediaType *current;
IMFTransform *decoder;
DWORD id;
unsigned int index;
enum media_stream_state state;
unsigned int flags;
unsigned int requests;
unsigned int responses;
};
enum source_reader_async_op
{
SOURCE_READER_ASYNC_READ,
SOURCE_READER_ASYNC_SEEK,
SOURCE_READER_ASYNC_FLUSH,
SOURCE_READER_ASYNC_SAMPLE_READY,
};
struct source_reader_async_command
{
IUnknown IUnknown_iface;
LONG refcount;
enum source_reader_async_op op;
union
{
struct
{
unsigned int flags;
unsigned int stream_index;
} read;
struct
{
GUID format;
PROPVARIANT position;
} seek;
struct
{
unsigned int stream_index;
} flush;
struct
{
unsigned int stream_index;
} sample;
} u;
};
enum source_reader_flags
{
SOURCE_READER_FLUSHING = 0x1,
SOURCE_READER_SEEKING = 0x2,
SOURCE_READER_SHUTDOWN_ON_RELEASE = 0x4,
};
struct source_reader
{
IMFSourceReader IMFSourceReader_iface;
IMFAsyncCallback source_events_callback;
IMFAsyncCallback stream_events_callback;
IMFAsyncCallback async_commands_callback;
LONG refcount;
IMFMediaSource *source;
IMFPresentationDescriptor *descriptor;
DWORD first_audio_stream_index;
DWORD first_video_stream_index;
IMFSourceReaderCallback *async_callback;
unsigned int flags;
enum media_source_state source_state;
struct media_stream *streams;
DWORD stream_count;
struct list responses;
CRITICAL_SECTION cs;
CONDITION_VARIABLE sample_event;
CONDITION_VARIABLE state_event;
};
static inline struct source_reader *impl_from_IMFSourceReader(IMFSourceReader *iface)
{
return CONTAINING_RECORD(iface, struct source_reader, IMFSourceReader_iface);
}
static struct source_reader *impl_from_source_callback_IMFAsyncCallback(IMFAsyncCallback *iface)
{
return CONTAINING_RECORD(iface, struct source_reader, source_events_callback);
}
static struct source_reader *impl_from_stream_callback_IMFAsyncCallback(IMFAsyncCallback *iface)
{
return CONTAINING_RECORD(iface, struct source_reader, stream_events_callback);
}
static struct source_reader *impl_from_async_commands_callback_IMFAsyncCallback(IMFAsyncCallback *iface)
{
return CONTAINING_RECORD(iface, struct source_reader, async_commands_callback);
}
static struct source_reader_async_command *impl_from_async_command_IUnknown(IUnknown *iface)
{
return CONTAINING_RECORD(iface, struct source_reader_async_command, IUnknown_iface);
}
static HRESULT WINAPI source_reader_async_command_QueryInterface(IUnknown *iface, REFIID riid, void **obj)
{
if (IsEqualIID(riid, &IID_IUnknown))
{
*obj = iface;
IUnknown_AddRef(iface);
return S_OK;
}
WARN("Unsupported interface %s.\n", debugstr_guid(riid));
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI source_reader_async_command_AddRef(IUnknown *iface)
{
struct source_reader_async_command *command = impl_from_async_command_IUnknown(iface);
return InterlockedIncrement(&command->refcount);
}
static ULONG WINAPI source_reader_async_command_Release(IUnknown *iface)
{
struct source_reader_async_command *command = impl_from_async_command_IUnknown(iface);
ULONG refcount = InterlockedIncrement(&command->refcount);
if (!refcount)
{
if (command->op == SOURCE_READER_ASYNC_SEEK)
PropVariantClear(&command->u.seek.position);
heap_free(command);
}
return refcount;
}
static const IUnknownVtbl source_reader_async_command_vtbl =
{
source_reader_async_command_QueryInterface,
source_reader_async_command_AddRef,
source_reader_async_command_Release,
};
static HRESULT source_reader_create_async_op(enum source_reader_async_op op, struct source_reader_async_command **ret)
{
struct source_reader_async_command *command;
if (!(command = heap_alloc_zero(sizeof(*command))))
return E_OUTOFMEMORY;
command->IUnknown_iface.lpVtbl = &source_reader_async_command_vtbl;
command->op = op;
*ret = command;
return S_OK;
}
static HRESULT media_event_get_object(IMFMediaEvent *event, REFIID riid, void **obj)
{
PROPVARIANT value;
HRESULT hr;
PropVariantInit(&value);
if (FAILED(hr = IMFMediaEvent_GetValue(event, &value)))
{
WARN("Failed to get event value, hr %#x.\n", hr);
return hr;
}
if (value.vt != VT_UNKNOWN || !value.u.punkVal)
{
WARN("Unexpected value type %d.\n", value.vt);
PropVariantClear(&value);
return E_UNEXPECTED;
}
hr = IUnknown_QueryInterface(value.u.punkVal, riid, obj);
PropVariantClear(&value);
if (FAILED(hr))
{
WARN("Unexpected object type.\n");
return hr;
}
return hr;
}
static HRESULT media_stream_get_id(IMFMediaStream *stream, DWORD *id)
{
IMFStreamDescriptor *sd;
HRESULT hr;
if (SUCCEEDED(hr = IMFMediaStream_GetStreamDescriptor(stream, &sd)))
{
hr = IMFStreamDescriptor_GetStreamIdentifier(sd, id);
IMFStreamDescriptor_Release(sd);
}
return hr;
}
static HRESULT WINAPI source_reader_callback_QueryInterface(IMFAsyncCallback *iface,
REFIID riid, void **obj)
{
TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IMFAsyncCallback) ||
IsEqualIID(riid, &IID_IUnknown))
{
*obj = iface;
IMFAsyncCallback_AddRef(iface);
return S_OK;
}
WARN("Unsupported %s.\n", debugstr_guid(riid));
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI source_reader_source_events_callback_AddRef(IMFAsyncCallback *iface)
{
struct source_reader *reader = impl_from_source_callback_IMFAsyncCallback(iface);
return IMFSourceReader_AddRef(&reader->IMFSourceReader_iface);
}
static ULONG WINAPI source_reader_source_events_callback_Release(IMFAsyncCallback *iface)
{
struct source_reader *reader = impl_from_source_callback_IMFAsyncCallback(iface);
return IMFSourceReader_Release(&reader->IMFSourceReader_iface);
}
static HRESULT WINAPI source_reader_callback_GetParameters(IMFAsyncCallback *iface,
DWORD *flags, DWORD *queue)
{
return E_NOTIMPL;
}
static void source_reader_queue_response(struct source_reader *reader, struct media_stream *stream, HRESULT status,
DWORD stream_flags, LONGLONG timestamp, IMFSample *sample)
{
struct source_reader_async_command *command;
struct stream_response *response;
HRESULT hr;
response = heap_alloc_zero(sizeof(*response));
response->status = status;
response->stream_index = stream->index;
response->stream_flags = stream_flags;
response->timestamp = timestamp;
response->sample = sample;
if (response->sample)
IMFSample_AddRef(response->sample);
list_add_tail(&reader->responses, &response->entry);
stream->responses++;
if (stream->requests)
{
if (reader->async_callback)
{
if (SUCCEEDED(source_reader_create_async_op(SOURCE_READER_ASYNC_SAMPLE_READY, &command)))
{
command->u.sample.stream_index = stream->index;
if (FAILED(hr = MFPutWorkItem(MFASYNC_CALLBACK_QUEUE_STANDARD, &reader->async_commands_callback,
&command->IUnknown_iface)))
WARN("Failed to submit async result, hr %#x.\n", hr);
IUnknown_Release(&command->IUnknown_iface);
}
}
else
WakeAllConditionVariable(&reader->sample_event);
stream->requests--;
}
}
static HRESULT source_reader_request_sample(struct source_reader *reader, struct media_stream *stream)
{
HRESULT hr = S_OK;
if (stream->stream && !(stream->flags & STREAM_FLAG_SAMPLE_REQUESTED))
{
if (FAILED(hr = IMFMediaStream_RequestSample(stream->stream, NULL)))
WARN("Sample request failed, hr %#x.\n", hr);
else
{
stream->flags |= (STREAM_FLAG_SAMPLE_REQUESTED | STREAM_FLAG_REQUESTED_ONCE);
}
}
return hr;
}
static HRESULT source_reader_new_stream_handler(struct source_reader *reader, IMFMediaEvent *event)
{
IMFMediaStream *stream;
unsigned int i;
DWORD id = 0;
HRESULT hr;
if (FAILED(hr = media_event_get_object(event, &IID_IMFMediaStream, (void **)&stream)))
{
WARN("Failed to get stream object, hr %#x.\n", hr);
return hr;
}
TRACE("Got new stream %p.\n", stream);
if (FAILED(hr = media_stream_get_id(stream, &id)))
{
WARN("Unidentified stream %p, hr %#x.\n", stream, hr);
IMFMediaStream_Release(stream);
return hr;
}
EnterCriticalSection(&reader->cs);
for (i = 0; i < reader->stream_count; ++i)
{
if (id == reader->streams[i].id)
{
if (!reader->streams[i].stream)
{
reader->streams[i].stream = stream;
IMFMediaStream_AddRef(reader->streams[i].stream);
if (FAILED(hr = IMFMediaStream_BeginGetEvent(stream, &reader->stream_events_callback,
(IUnknown *)stream)))
{
WARN("Failed to subscribe to stream events, hr %#x.\n", hr);
}
if (reader->streams[i].requests)
if (FAILED(source_reader_request_sample(reader, &reader->streams[i])))
WakeAllConditionVariable(&reader->sample_event);
}
break;
}
}
if (i == reader->stream_count)
WARN("Stream with id %#x was not present in presentation descriptor.\n", id);
LeaveCriticalSection(&reader->cs);
IMFMediaStream_Release(stream);
return hr;
}
static HRESULT source_reader_source_state_handler(struct source_reader *reader, MediaEventType event_type)
{
EnterCriticalSection(&reader->cs);
switch (event_type)
{
case MESourceStarted:
reader->source_state = SOURCE_STATE_STARTED;
break;
case MESourceStopped:
reader->source_state = SOURCE_STATE_STOPPED;
break;
case MESourceSeeked:
reader->flags &= ~SOURCE_READER_SEEKING;
break;
default:
WARN("Unhandled event %d.\n", event_type);
}
LeaveCriticalSection(&reader->cs);
WakeAllConditionVariable(&reader->state_event);
return S_OK;
}
static HRESULT WINAPI source_reader_source_events_callback_Invoke(IMFAsyncCallback *iface, IMFAsyncResult *result)
{
struct source_reader *reader = impl_from_source_callback_IMFAsyncCallback(iface);
MediaEventType event_type;
IMFMediaSource *source;
IMFMediaEvent *event;
HRESULT hr;
TRACE("%p, %p.\n", iface, result);
source = (IMFMediaSource *)IMFAsyncResult_GetStateNoAddRef(result);
if (FAILED(hr = IMFMediaSource_EndGetEvent(source, result, &event)))
return hr;
IMFMediaEvent_GetType(event, &event_type);
TRACE("Got event %u.\n", event_type);
switch (event_type)
{
case MENewStream:
hr = source_reader_new_stream_handler(reader, event);
break;
case MESourceStarted:
case MESourcePaused:
case MESourceStopped:
case MESourceSeeked:
hr = source_reader_source_state_handler(reader, event_type);
break;
case MEBufferingStarted:
case MEBufferingStopped:
case MEConnectStart:
case MEConnectEnd:
case MEExtendedType:
case MESourceCharacteristicsChanged:
case MESourceMetadataChanged:
case MEContentProtectionMetadata:
case MEDeviceThermalStateChanged:
if (reader->async_callback)
IMFSourceReaderCallback_OnEvent(reader->async_callback, MF_SOURCE_READER_MEDIASOURCE, event);
break;
default:
;
}
if (FAILED(hr))
WARN("Failed while handling %d event, hr %#x.\n", event_type, hr);
IMFMediaEvent_Release(event);
IMFMediaSource_BeginGetEvent(source, iface, (IUnknown *)source);
return S_OK;
}
static const IMFAsyncCallbackVtbl source_events_callback_vtbl =
{
source_reader_callback_QueryInterface,
source_reader_source_events_callback_AddRef,
source_reader_source_events_callback_Release,
source_reader_callback_GetParameters,
source_reader_source_events_callback_Invoke,
};
static ULONG WINAPI source_reader_stream_events_callback_AddRef(IMFAsyncCallback *iface)
{
struct source_reader *reader = impl_from_stream_callback_IMFAsyncCallback(iface);
return IMFSourceReader_AddRef(&reader->IMFSourceReader_iface);
}
static ULONG WINAPI source_reader_stream_events_callback_Release(IMFAsyncCallback *iface)
{
struct source_reader *reader = impl_from_stream_callback_IMFAsyncCallback(iface);
return IMFSourceReader_Release(&reader->IMFSourceReader_iface);
}
static HRESULT source_reader_pull_stream_samples(struct source_reader *reader, struct media_stream *stream)
{
MFT_OUTPUT_STREAM_INFO stream_info = { 0 };
MFT_OUTPUT_DATA_BUFFER out_buffer;
IMFMediaBuffer *buffer;
LONGLONG timestamp;
DWORD status;
HRESULT hr;
if (FAILED(hr = IMFTransform_GetOutputStreamInfo(stream->decoder, 0, &stream_info)))
{
WARN("Failed to get output stream info, hr %#x.\n", hr);
return hr;
}
for (;;)
{
memset(&out_buffer, 0, sizeof(out_buffer));
if (!(stream_info.dwFlags & MFT_OUTPUT_STREAM_PROVIDES_SAMPLES))
{
if (FAILED(hr = MFCreateSample(&out_buffer.pSample)))
break;
if (FAILED(hr = MFCreateAlignedMemoryBuffer(stream_info.cbSize, stream_info.cbAlignment, &buffer)))
{
IMFSample_Release(out_buffer.pSample);
break;
}
IMFSample_AddBuffer(out_buffer.pSample, buffer);
IMFMediaBuffer_Release(buffer);
}
if (FAILED(hr = IMFTransform_ProcessOutput(stream->decoder, 0, 1, &out_buffer, &status)))
{
if (out_buffer.pSample)
IMFSample_Release(out_buffer.pSample);
break;
}
timestamp = 0;
if (FAILED(IMFSample_GetSampleTime(out_buffer.pSample, &timestamp)))
WARN("Sample time wasn't set.\n");
source_reader_queue_response(reader, stream, S_OK /* FIXME */, 0, timestamp, out_buffer.pSample);
if (out_buffer.pSample)
IMFSample_Release(out_buffer.pSample);
if (out_buffer.pEvents)
IMFCollection_Release(out_buffer.pEvents);
}
return hr;
}
static HRESULT source_reader_process_sample(struct source_reader *reader, struct media_stream *stream,
IMFSample *sample)
{
LONGLONG timestamp;
HRESULT hr;
if (!stream->decoder)
{
timestamp = 0;
if (FAILED(IMFSample_GetSampleTime(sample, &timestamp)))
WARN("Sample time wasn't set.\n");
source_reader_queue_response(reader, stream, S_OK, 0, timestamp, sample);
return S_OK;
}
/* It's assumed that decoder has 1 input and 1 output, both id's are 0. */
hr = source_reader_pull_stream_samples(reader, stream);
if (hr == MF_E_TRANSFORM_NEED_MORE_INPUT)
{
if (FAILED(hr = IMFTransform_ProcessInput(stream->decoder, 0, sample, 0)))
{
WARN("Transform failed to process input, hr %#x.\n", hr);
return hr;
}
if ((hr = source_reader_pull_stream_samples(reader, stream)) == MF_E_TRANSFORM_NEED_MORE_INPUT)
return S_OK;
}
else
WARN("Transform failed to process output, hr %#x.\n", hr);
return hr;
}
static HRESULT source_reader_media_sample_handler(struct source_reader *reader, IMFMediaStream *stream,
IMFMediaEvent *event)
{
IMFSample *sample;
unsigned int i;
DWORD id = 0;
HRESULT hr;
TRACE("Got new sample for stream %p.\n", stream);
if (FAILED(hr = media_event_get_object(event, &IID_IMFSample, (void **)&sample)))
{
WARN("Failed to get sample object, hr %#x.\n", hr);
return hr;
}
if (FAILED(hr = media_stream_get_id(stream, &id)))
{
WARN("Unidentified stream %p, hr %#x.\n", stream, hr);
IMFSample_Release(sample);
return hr;
}
EnterCriticalSection(&reader->cs);
for (i = 0; i < reader->stream_count; ++i)
{
if (id == reader->streams[i].id)
{
/* FIXME: propagate processing errors? */
reader->streams[i].flags &= ~STREAM_FLAG_SAMPLE_REQUESTED;
hr = source_reader_process_sample(reader, &reader->streams[i], sample);
if (reader->streams[i].requests)
source_reader_request_sample(reader, &reader->streams[i]);
break;
}
}
if (i == reader->stream_count)
WARN("Stream with id %#x was not present in presentation descriptor.\n", id);
LeaveCriticalSection(&reader->cs);
IMFSample_Release(sample);
return hr;
}
static HRESULT source_reader_media_stream_state_handler(struct source_reader *reader, IMFMediaStream *stream,
IMFMediaEvent *event)
{
MediaEventType event_type;
LONGLONG timestamp;
PROPVARIANT value;
unsigned int i;
HRESULT hr;
DWORD id;
IMFMediaEvent_GetType(event, &event_type);
if (FAILED(hr = media_stream_get_id(stream, &id)))
{
WARN("Unidentified stream %p, hr %#x.\n", stream, hr);
return hr;
}
EnterCriticalSection(&reader->cs);
for (i = 0; i < reader->stream_count; ++i)
{
struct media_stream *stream = &reader->streams[i];
if (id == stream->id)
{
switch (event_type)
{
case MEEndOfStream:
stream->state = STREAM_STATE_EOS;
stream->flags &= ~STREAM_FLAG_SAMPLE_REQUESTED;
if (stream->decoder && SUCCEEDED(IMFTransform_ProcessMessage(stream->decoder,
MFT_MESSAGE_COMMAND_DRAIN, 0)))
{
if ((hr = source_reader_pull_stream_samples(reader, stream)) != MF_E_TRANSFORM_NEED_MORE_INPUT)
WARN("Failed to pull pending samples, hr %#x.\n", hr);
}
while (stream->requests)
source_reader_queue_response(reader, stream, S_OK, MF_SOURCE_READERF_ENDOFSTREAM, 0, NULL);
break;
case MEStreamSeeked:
case MEStreamStarted:
stream->state = STREAM_STATE_READY;
break;
case MEStreamTick:
value.vt = VT_EMPTY;
hr = SUCCEEDED(IMFMediaEvent_GetValue(event, &value)) && value.vt == VT_I8 ? S_OK : E_UNEXPECTED;
timestamp = SUCCEEDED(hr) ? value.u.hVal.QuadPart : 0;
PropVariantClear(&value);
source_reader_queue_response(reader, stream, hr, MF_SOURCE_READERF_STREAMTICK, timestamp, NULL);
break;
default:
;
}
break;
}
}
LeaveCriticalSection(&reader->cs);
return S_OK;
}
static HRESULT WINAPI source_reader_stream_events_callback_Invoke(IMFAsyncCallback *iface, IMFAsyncResult *result)
{
struct source_reader *reader = impl_from_stream_callback_IMFAsyncCallback(iface);
MediaEventType event_type;
IMFMediaStream *stream;
IMFMediaEvent *event;
HRESULT hr;
TRACE("%p, %p.\n", iface, result);
stream = (IMFMediaStream *)IMFAsyncResult_GetStateNoAddRef(result);
if (FAILED(hr = IMFMediaStream_EndGetEvent(stream, result, &event)))
return hr;
IMFMediaEvent_GetType(event, &event_type);
TRACE("Got event %u.\n", event_type);
switch (event_type)
{
case MEMediaSample:
hr = source_reader_media_sample_handler(reader, stream, event);
break;
case MEStreamSeeked:
case MEStreamStarted:
case MEStreamTick:
case MEEndOfStream:
hr = source_reader_media_stream_state_handler(reader, stream, event);
break;
default:
;
}
if (FAILED(hr))
WARN("Failed while handling %d event, hr %#x.\n", event_type, hr);
IMFMediaEvent_Release(event);
IMFMediaStream_BeginGetEvent(stream, iface, (IUnknown *)stream);
return S_OK;
}
static const IMFAsyncCallbackVtbl stream_events_callback_vtbl =
{
source_reader_callback_QueryInterface,
source_reader_stream_events_callback_AddRef,
source_reader_stream_events_callback_Release,
source_reader_callback_GetParameters,
source_reader_stream_events_callback_Invoke,
};
static ULONG WINAPI source_reader_async_commands_callback_AddRef(IMFAsyncCallback *iface)
{
struct source_reader *reader = impl_from_async_commands_callback_IMFAsyncCallback(iface);
return IMFSourceReader_AddRef(&reader->IMFSourceReader_iface);
}
static ULONG WINAPI source_reader_async_commands_callback_Release(IMFAsyncCallback *iface)
{
struct source_reader *reader = impl_from_async_commands_callback_IMFAsyncCallback(iface);
return IMFSourceReader_Release(&reader->IMFSourceReader_iface);
}
static struct stream_response * media_stream_detach_response(struct source_reader *reader, struct stream_response *response)
{
struct media_stream *stream;
list_remove(&response->entry);
if (response->stream_index < reader->stream_count)
{
stream = &reader->streams[response->stream_index];
if (stream->responses)
--stream->responses;
}
return response;
}
static struct stream_response *media_stream_pop_response(struct source_reader *reader, struct media_stream *stream)
{
struct stream_response *response;
struct list *head;
if (stream)
{
LIST_FOR_EACH_ENTRY(response, &reader->responses, struct stream_response, entry)
{
if (response->stream_index == stream->index)
return media_stream_detach_response(reader, response);
}
}
else
{
if ((head = list_head(&reader->responses)))
return media_stream_detach_response(reader, LIST_ENTRY(head, struct stream_response, entry));
}
return NULL;
}
static void source_reader_release_response(struct stream_response *response)
{
if (response->sample)
IMFSample_Release(response->sample);
heap_free(response);
}
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 source_reader_start_source(struct source_reader *reader)
{
BOOL selected, selection_changed = FALSE;
PROPVARIANT position;
HRESULT hr = S_OK;
unsigned int i;
for (i = 0; i < reader->stream_count; ++i)
{
source_reader_get_stream_selection(reader, i, &selected);
if (selected)
reader->streams[i].flags |= STREAM_FLAG_SELECTED;
else
reader->streams[i].flags &= ~STREAM_FLAG_SELECTED;
}
if (reader->source_state == SOURCE_STATE_STARTED)
{
for (i = 0; i < reader->stream_count; ++i)
{
selection_changed = !!(reader->streams[i].flags & STREAM_FLAG_SELECTED) ^
!!(reader->streams[i].flags & STREAM_FLAG_PRESENTED);
if (selection_changed)
break;
}
}
position.u.hVal.QuadPart = 0;
if (reader->source_state != SOURCE_STATE_STARTED || selection_changed)
{
position.vt = reader->source_state == SOURCE_STATE_STARTED ? VT_EMPTY : VT_I8;
/* Update cached stream selection if descriptor was accepted. */
if (SUCCEEDED(hr = IMFMediaSource_Start(reader->source, reader->descriptor, &GUID_NULL, &position)))
{
for (i = 0; i < reader->stream_count; ++i)
{
if (reader->streams[i].flags & STREAM_FLAG_SELECTED)
reader->streams[i].flags |= STREAM_FLAG_PRESENTED;
}
}
}
return hr;
}
static BOOL source_reader_got_response_for_stream(struct source_reader *reader, struct media_stream *stream)
{
struct stream_response *response;
LIST_FOR_EACH_ENTRY(response, &reader->responses, struct stream_response, entry)
{
if (response->stream_index == stream->index)
return TRUE;
}
return FALSE;
}
static BOOL source_reader_get_read_result(struct source_reader *reader, struct media_stream *stream, DWORD flags,
HRESULT *status, DWORD *stream_index, DWORD *stream_flags, LONGLONG *timestamp, IMFSample **sample)
{
struct stream_response *response = NULL;
BOOL request_sample = FALSE;
if ((response = media_stream_pop_response(reader, stream)))
{
*status = response->status;
*stream_index = stream->index;
*stream_flags = response->stream_flags;
*timestamp = response->timestamp;
*sample = response->sample;
if (*sample)
IMFSample_AddRef(*sample);
source_reader_release_response(response);
}
else
{
*status = S_OK;
*stream_index = stream->index;
*timestamp = 0;
*sample = NULL;
if (stream->state == STREAM_STATE_EOS)
{
*stream_flags = MF_SOURCE_READERF_ENDOFSTREAM;
}
else
{
request_sample = !(flags & MF_SOURCE_READER_CONTROLF_DRAIN);
*stream_flags = 0;
}
}
return !request_sample;
}
static HRESULT source_reader_get_first_selected_stream(struct source_reader *reader, unsigned int flags,
unsigned int *stream_index)
{
unsigned int i, first_selected = ~0u;
BOOL selected, stream_drained;
for (i = 0; i < reader->stream_count; ++i)
{
stream_drained = reader->streams[i].state == STREAM_STATE_EOS && !reader->streams[i].responses;
selected = SUCCEEDED(source_reader_get_stream_selection(reader, i, &selected)) && selected;
if (selected && !(reader->streams[i].flags & flags))
{
if (first_selected == ~0u)
first_selected = i;
if (!stream_drained)
{
*stream_index = i;
break;
}
}
}
/* If all selected streams reached EOS, use first selected. This fallback only applies after reader went through all
selected streams once. */
if (i == reader->stream_count && first_selected != ~0u && !flags)
{
*stream_index = first_selected;
i = first_selected;
}
return i == reader->stream_count ? MF_E_MEDIA_SOURCE_NO_STREAMS_SELECTED : S_OK;
}
static HRESULT source_reader_get_stream_read_index(struct source_reader *reader, unsigned int index, unsigned int *stream_index)
{
BOOL selected;
HRESULT hr;
switch (index)
{
case MF_SOURCE_READER_FIRST_VIDEO_STREAM:
*stream_index = reader->first_video_stream_index;
break;
case MF_SOURCE_READER_FIRST_AUDIO_STREAM:
*stream_index = reader->first_audio_stream_index;
break;
case MF_SOURCE_READER_ANY_STREAM:
if (reader->async_callback)
{
/* Pick first selected stream. */
hr = source_reader_get_first_selected_stream(reader, 0, stream_index);
}
else
{
/* Cycle through all selected streams once, next pick first selected. */
if (FAILED(hr = source_reader_get_first_selected_stream(reader, STREAM_FLAG_REQUESTED_ONCE, stream_index)))
hr = source_reader_get_first_selected_stream(reader, 0, stream_index);
}
return hr;
default:
*stream_index = index;
}
/* Can't read from deselected streams. */
if (SUCCEEDED(hr = source_reader_get_stream_selection(reader, *stream_index, &selected)) && !selected)
hr = MF_E_INVALIDREQUEST;
return hr;
}
static void source_reader_release_responses(struct source_reader *reader, struct media_stream *stream)
{
struct stream_response *ptr, *next;
LIST_FOR_EACH_ENTRY_SAFE(ptr, next, &reader->responses, struct stream_response, entry)
{
if (stream && stream->index != ptr->stream_index &&
ptr->stream_index != MF_SOURCE_READER_FIRST_VIDEO_STREAM &&
ptr->stream_index != MF_SOURCE_READER_FIRST_AUDIO_STREAM &&
ptr->stream_index != MF_SOURCE_READER_ANY_STREAM)
{
continue;
}
media_stream_detach_response(reader, ptr);
source_reader_release_response(ptr);
}
}
static void source_reader_flush_stream(struct source_reader *reader, DWORD stream_index)
{
struct media_stream *stream = &reader->streams[stream_index];
source_reader_release_responses(reader, stream);
if (stream->decoder)
IMFTransform_ProcessMessage(stream->decoder, MFT_MESSAGE_COMMAND_FLUSH, 0);
stream->requests = 0;
}
static HRESULT source_reader_flush(struct source_reader *reader, unsigned int index)
{
unsigned int stream_index;
HRESULT hr = S_OK;
if (index == MF_SOURCE_READER_ALL_STREAMS)
{
for (stream_index = 0; stream_index < reader->stream_count; ++stream_index)
source_reader_flush_stream(reader, stream_index);
}
else
{
switch (index)
{
case MF_SOURCE_READER_FIRST_VIDEO_STREAM:
stream_index = reader->first_video_stream_index;
break;
case MF_SOURCE_READER_FIRST_AUDIO_STREAM:
stream_index = reader->first_audio_stream_index;
break;
default:
stream_index = index;
}
if (stream_index < reader->stream_count)
source_reader_flush_stream(reader, stream_index);
else
hr = MF_E_INVALIDSTREAMNUMBER;
}
return hr;
}
static HRESULT WINAPI source_reader_async_commands_callback_Invoke(IMFAsyncCallback *iface, IMFAsyncResult *result)
{
struct source_reader *reader = impl_from_async_commands_callback_IMFAsyncCallback(iface);
struct media_stream *stream, stub_stream = { .requests = 1 };
struct source_reader_async_command *command;
struct stream_response *response;
DWORD stream_index, stream_flags;
BOOL report_sample = FALSE;
IMFSample *sample = NULL;
LONGLONG timestamp = 0;
HRESULT hr, status;
IUnknown *state;
if (FAILED(hr = IMFAsyncResult_GetState(result, &state)))
return hr;
command = impl_from_async_command_IUnknown(state);
switch (command->op)
{
case SOURCE_READER_ASYNC_READ:
EnterCriticalSection(&reader->cs);
if (SUCCEEDED(hr = source_reader_start_source(reader)))
{
if (SUCCEEDED(hr = source_reader_get_stream_read_index(reader, command->u.read.stream_index, &stream_index)))
{
stream = &reader->streams[stream_index];
if (!(report_sample = source_reader_get_read_result(reader, stream, command->u.read.flags, &status,
&stream_index, &stream_flags, &timestamp, &sample)))
{
stream->requests++;
source_reader_request_sample(reader, stream);
/* FIXME: set error stream/reader state on request failure */
}
}
else
{
stub_stream.index = command->u.read.stream_index;
source_reader_queue_response(reader, &stub_stream, hr, MF_SOURCE_READERF_ERROR, 0, NULL);
}
}
LeaveCriticalSection(&reader->cs);
if (report_sample)
IMFSourceReaderCallback_OnReadSample(reader->async_callback, status, stream_index, stream_flags,
timestamp, sample);
if (sample)
IMFSample_Release(sample);
break;
case SOURCE_READER_ASYNC_SEEK:
EnterCriticalSection(&reader->cs);
if (SUCCEEDED(IMFMediaSource_Start(reader->source, reader->descriptor, &command->u.seek.format,
&command->u.seek.position)))
{
reader->flags |= SOURCE_READER_SEEKING;
}
LeaveCriticalSection(&reader->cs);
break;
case SOURCE_READER_ASYNC_SAMPLE_READY:
EnterCriticalSection(&reader->cs);
response = media_stream_pop_response(reader, NULL);
LeaveCriticalSection(&reader->cs);
if (response)
{
IMFSourceReaderCallback_OnReadSample(reader->async_callback, response->status, response->stream_index,
response->stream_flags, response->timestamp, response->sample);
source_reader_release_response(response);
}
break;
case SOURCE_READER_ASYNC_FLUSH:
EnterCriticalSection(&reader->cs);
source_reader_flush(reader, command->u.flush.stream_index);
reader->flags &= ~SOURCE_READER_FLUSHING;
LeaveCriticalSection(&reader->cs);
IMFSourceReaderCallback_OnFlush(reader->async_callback, command->u.flush.stream_index);
break;
default:
;
}
IUnknown_Release(state);
return S_OK;
}
static const IMFAsyncCallbackVtbl async_commands_callback_vtbl =
{
source_reader_callback_QueryInterface,
source_reader_async_commands_callback_AddRef,
source_reader_async_commands_callback_Release,
source_reader_callback_GetParameters,
source_reader_async_commands_callback_Invoke,
};
static HRESULT WINAPI src_reader_QueryInterface(IMFSourceReader *iface, REFIID riid, void **out)
{
struct source_reader *reader = impl_from_IMFSourceReader(iface);
TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), out);
if(IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IMFSourceReader))
{
*out = &reader->IMFSourceReader_iface;
}
else
{
FIXME("(%s, %p)\n", debugstr_guid(riid), out);
*out = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*out);
return S_OK;
}
static ULONG WINAPI src_reader_AddRef(IMFSourceReader *iface)
{
struct source_reader *reader = impl_from_IMFSourceReader(iface);
ULONG refcount = InterlockedIncrement(&reader->refcount);
TRACE("%p, refcount %u.\n", iface, refcount);
return refcount;
}
static ULONG WINAPI src_reader_Release(IMFSourceReader *iface)
{
struct source_reader *reader = impl_from_IMFSourceReader(iface);
ULONG refcount = InterlockedDecrement(&reader->refcount);
unsigned int i;
TRACE("%p, refcount %u.\n", iface, refcount);
if (!refcount)
{
if (reader->async_callback)
IMFSourceReaderCallback_Release(reader->async_callback);
if (reader->flags & SOURCE_READER_SHUTDOWN_ON_RELEASE)
IMFMediaSource_Shutdown(reader->source);
if (reader->descriptor)
IMFPresentationDescriptor_Release(reader->descriptor);
IMFMediaSource_Release(reader->source);
for (i = 0; i < reader->stream_count; ++i)
{
struct media_stream *stream = &reader->streams[i];
if (stream->stream)
IMFMediaStream_Release(stream->stream);
if (stream->current)
IMFMediaType_Release(stream->current);
if (stream->decoder)
IMFTransform_Release(stream->decoder);
}
source_reader_release_responses(reader, NULL);
heap_free(reader->streams);
DeleteCriticalSection(&reader->cs);
heap_free(reader);
}
return refcount;
}
static HRESULT WINAPI src_reader_GetStreamSelection(IMFSourceReader *iface, DWORD index, BOOL *selected)
{
struct source_reader *reader = impl_from_IMFSourceReader(iface);
TRACE("%p, %#x, %p.\n", iface, index, selected);
switch (index)
{
case MF_SOURCE_READER_FIRST_VIDEO_STREAM:
index = reader->first_video_stream_index;
break;
case MF_SOURCE_READER_FIRST_AUDIO_STREAM:
index = reader->first_audio_stream_index;
break;
default:
;
}
return source_reader_get_stream_selection(reader, index, selected);
}
static HRESULT WINAPI src_reader_SetStreamSelection(IMFSourceReader *iface, DWORD index, BOOL selection)
{
struct source_reader *reader = impl_from_IMFSourceReader(iface);
HRESULT hr = S_OK;
BOOL selection_changed = FALSE, selected;
unsigned int i;
TRACE("%p, %#x, %d.\n", iface, index, selection);
selection = !!selection;
EnterCriticalSection(&reader->cs);
if (index == MF_SOURCE_READER_ALL_STREAMS)
{
for (i = 0; i < reader->stream_count; ++i)
{
if (!selection_changed)
{
source_reader_get_stream_selection(reader, i, &selected);
if (selected ^ selection)
selection_changed = TRUE;
}
if (selection)
IMFPresentationDescriptor_SelectStream(reader->descriptor, i);
else
IMFPresentationDescriptor_DeselectStream(reader->descriptor, i);
}
}
else
{
switch (index)
{
case MF_SOURCE_READER_FIRST_VIDEO_STREAM:
index = reader->first_video_stream_index;
break;
case MF_SOURCE_READER_FIRST_AUDIO_STREAM:
index = reader->first_audio_stream_index;
break;
default:
;
}
source_reader_get_stream_selection(reader, index, &selected);
if (selected ^ selection)
selection_changed = TRUE;
if (selection)
hr = IMFPresentationDescriptor_SelectStream(reader->descriptor, index);
else
hr = IMFPresentationDescriptor_DeselectStream(reader->descriptor, index);
}
if (SUCCEEDED(hr) && selection_changed)
{
for (i = 0; i < reader->stream_count; ++i)
reader->streams[i].flags &= ~STREAM_FLAG_REQUESTED_ONCE;
}
LeaveCriticalSection(&reader->cs);
return SUCCEEDED(hr) ? S_OK : MF_E_INVALIDSTREAMNUMBER;
}
static HRESULT source_reader_get_native_media_type(struct source_reader *reader, DWORD index, DWORD type_index,
IMFMediaType **type)
{
IMFMediaTypeHandler *handler;
IMFStreamDescriptor *sd;
IMFMediaType *src_type;
BOOL selected;
HRESULT hr;
switch (index)
{
case MF_SOURCE_READER_FIRST_VIDEO_STREAM:
index = reader->first_video_stream_index;
break;
case MF_SOURCE_READER_FIRST_AUDIO_STREAM:
index = reader->first_audio_stream_index;
break;
default:
;
}
if (FAILED(IMFPresentationDescriptor_GetStreamDescriptorByIndex(reader->descriptor, index, &selected, &sd)))
return MF_E_INVALIDSTREAMNUMBER;
hr = IMFStreamDescriptor_GetMediaTypeHandler(sd, &handler);
IMFStreamDescriptor_Release(sd);
if (FAILED(hr))
return hr;
if (type_index == MF_SOURCE_READER_CURRENT_TYPE_INDEX)
hr = IMFMediaTypeHandler_GetCurrentMediaType(handler, &src_type);
else
hr = IMFMediaTypeHandler_GetMediaTypeByIndex(handler, type_index, &src_type);
IMFMediaTypeHandler_Release(handler);
if (SUCCEEDED(hr))
{
if (SUCCEEDED(hr = MFCreateMediaType(type)))
hr = IMFMediaType_CopyAllItems(src_type, (IMFAttributes *)*type);
IMFMediaType_Release(src_type);
}
return hr;
}
static HRESULT WINAPI src_reader_GetNativeMediaType(IMFSourceReader *iface, DWORD index, DWORD type_index,
IMFMediaType **type)
{
struct source_reader *reader = impl_from_IMFSourceReader(iface);
TRACE("%p, %#x, %#x, %p.\n", iface, index, type_index, type);
return source_reader_get_native_media_type(reader, index, type_index, type);
}
static HRESULT WINAPI src_reader_GetCurrentMediaType(IMFSourceReader *iface, DWORD index, IMFMediaType **type)
{
struct source_reader *reader = impl_from_IMFSourceReader(iface);
HRESULT hr;
TRACE("%p, %#x, %p.\n", iface, index, type);
switch (index)
{
case MF_SOURCE_READER_FIRST_VIDEO_STREAM:
index = reader->first_video_stream_index;
break;
case MF_SOURCE_READER_FIRST_AUDIO_STREAM:
index = reader->first_audio_stream_index;
break;
default:
;
}
if (index >= reader->stream_count)
return MF_E_INVALIDSTREAMNUMBER;
if (FAILED(hr = MFCreateMediaType(type)))
return hr;
EnterCriticalSection(&reader->cs);
hr = IMFMediaType_CopyAllItems(reader->streams[index].current, (IMFAttributes *)*type);
LeaveCriticalSection(&reader->cs);
return hr;
}
static HRESULT source_reader_get_source_type_handler(struct source_reader *reader, DWORD index,
IMFMediaTypeHandler **handler)
{
IMFStreamDescriptor *sd;
BOOL selected;
HRESULT hr;
if (FAILED(hr = IMFPresentationDescriptor_GetStreamDescriptorByIndex(reader->descriptor, index, &selected, &sd)))
return hr;
hr = IMFStreamDescriptor_GetMediaTypeHandler(sd, handler);
IMFStreamDescriptor_Release(sd);
return hr;
}
static HRESULT source_reader_set_compatible_media_type(struct source_reader *reader, DWORD index, IMFMediaType *type)
{
IMFMediaTypeHandler *type_handler;
IMFMediaType *native_type;
BOOL type_set = FALSE;
unsigned int i = 0;
DWORD flags;
HRESULT hr;
if (FAILED(hr = IMFMediaType_IsEqual(type, reader->streams[index].current, &flags)))
return hr;
if (!(flags & MF_MEDIATYPE_EQUAL_MAJOR_TYPES))
return MF_E_INVALIDMEDIATYPE;
/* No need for a decoder or type change. */
if (flags & MF_MEDIATYPE_EQUAL_FORMAT_TYPES)
return S_OK;
if (FAILED(hr = source_reader_get_source_type_handler(reader, index, &type_handler)))
return hr;
while (!type_set && IMFMediaTypeHandler_GetMediaTypeByIndex(type_handler, i++, &native_type) == S_OK)
{
static const DWORD compare_flags = MF_MEDIATYPE_EQUAL_MAJOR_TYPES | MF_MEDIATYPE_EQUAL_FORMAT_TYPES;
if (SUCCEEDED(IMFMediaType_IsEqual(native_type, type, &flags)) && (flags & compare_flags) == compare_flags)
{
if ((type_set = SUCCEEDED(IMFMediaTypeHandler_SetCurrentMediaType(type_handler, native_type))))
IMFMediaType_CopyAllItems(native_type, (IMFAttributes *)reader->streams[index].current);
}
IMFMediaType_Release(native_type);
}
IMFMediaTypeHandler_Release(type_handler);
return type_set ? S_OK : S_FALSE;
}
static HRESULT source_reader_configure_decoder(struct source_reader *reader, DWORD index, const CLSID *clsid,
IMFMediaType *input_type, IMFMediaType *output_type)
{
IMFMediaTypeHandler *type_handler;
IMFTransform *transform = NULL;
IMFMediaType *type = NULL;
DWORD flags;
HRESULT hr;
int i = 0;
if (FAILED(hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER, &IID_IMFTransform, (void **)&transform)))
{
WARN("Failed to create transform object, hr %#x.\n", hr);
return hr;
}
if (FAILED(hr = IMFTransform_SetInputType(transform, 0, input_type, 0)))
{
WARN("Failed to set decoder input type, hr %#x.\n", hr);
IMFTransform_Release(transform);
return hr;
}
/* Find the relevant output type. */
while (IMFTransform_GetOutputAvailableType(transform, 0, i++, &type) == S_OK)
{
flags = 0;
if (SUCCEEDED(IMFMediaType_IsEqual(type, output_type, &flags)))
{
if (flags & MF_MEDIATYPE_EQUAL_FORMAT_TYPES)
{
if (SUCCEEDED(IMFTransform_SetOutputType(transform, 0, type, 0)))
{
if (SUCCEEDED(source_reader_get_source_type_handler(reader, index, &type_handler)))
{
IMFMediaTypeHandler_SetCurrentMediaType(type_handler, input_type);
IMFMediaTypeHandler_Release(type_handler);
}
if (FAILED(hr = IMFMediaType_CopyAllItems(type, (IMFAttributes *)reader->streams[index].current)))
WARN("Failed to copy attributes, hr %#x.\n", hr);
IMFMediaType_Release(type);
if (reader->streams[index].decoder)
IMFTransform_Release(reader->streams[index].decoder);
reader->streams[index].decoder = transform;
return S_OK;
}
}
}
IMFMediaType_Release(type);
}
WARN("Failed to find suitable decoder output type.\n");
IMFTransform_Release(transform);
return MF_E_TOPO_CODEC_NOT_FOUND;
}
static HRESULT source_reader_create_decoder_for_stream(struct source_reader *reader, DWORD index, IMFMediaType *output_type)
{
MFT_REGISTER_TYPE_INFO in_type, out_type;
CLSID *clsids, mft_clsid, category;
unsigned int i = 0, count;
IMFMediaType *input_type;
HRESULT hr;
/* TODO: should we check if the source type is compressed? */
if (FAILED(hr = IMFMediaType_GetMajorType(output_type, &out_type.guidMajorType)))
return hr;
if (IsEqualGUID(&out_type.guidMajorType, &MFMediaType_Video))
{
category = MFT_CATEGORY_VIDEO_DECODER;
}
else if (IsEqualGUID(&out_type.guidMajorType, &MFMediaType_Audio))
{
category = MFT_CATEGORY_AUDIO_DECODER;
}
else
{
WARN("Unhandled major type %s.\n", debugstr_guid(&out_type.guidMajorType));
return MF_E_TOPO_CODEC_NOT_FOUND;
}
if (FAILED(hr = IMFMediaType_GetGUID(output_type, &MF_MT_SUBTYPE, &out_type.guidSubtype)))
return hr;
in_type.guidMajorType = out_type.guidMajorType;
while (source_reader_get_native_media_type(reader, index, i++, &input_type) == S_OK)
{
if (SUCCEEDED(IMFMediaType_GetGUID(input_type, &MF_MT_SUBTYPE, &in_type.guidSubtype)))
{
count = 0;
if (SUCCEEDED(hr = MFTEnum(category, 0, &in_type, &out_type, NULL, &clsids, &count)) && count)
{
mft_clsid = clsids[0];
CoTaskMemFree(clsids);
/* TODO: Should we iterate over all of them? */
if (SUCCEEDED(source_reader_configure_decoder(reader, index, &mft_clsid, input_type, output_type)))
{
IMFMediaType_Release(input_type);
return S_OK;
}
}
}
IMFMediaType_Release(input_type);
}
return MF_E_TOPO_CODEC_NOT_FOUND;
}
static HRESULT WINAPI src_reader_SetCurrentMediaType(IMFSourceReader *iface, DWORD index, DWORD *reserved,
IMFMediaType *type)
{
struct source_reader *reader = impl_from_IMFSourceReader(iface);
HRESULT hr;
TRACE("%p, %#x, %p, %p.\n", iface, index, reserved, type);
switch (index)
{
case MF_SOURCE_READER_FIRST_VIDEO_STREAM:
index = reader->first_video_stream_index;
break;
case MF_SOURCE_READER_FIRST_AUDIO_STREAM:
index = reader->first_audio_stream_index;
break;
default:
;
}
if (index >= reader->stream_count)
return MF_E_INVALIDSTREAMNUMBER;
/* FIXME: setting the output type while streaming should trigger a flush */
EnterCriticalSection(&reader->cs);
if ((hr = source_reader_set_compatible_media_type(reader, index, type)) == S_FALSE)
hr = source_reader_create_decoder_for_stream(reader, index, type);
LeaveCriticalSection(&reader->cs);
return hr;
}
static HRESULT WINAPI src_reader_SetCurrentPosition(IMFSourceReader *iface, REFGUID format, REFPROPVARIANT position)
{
struct source_reader *reader = impl_from_IMFSourceReader(iface);
struct source_reader_async_command *command;
unsigned int i, flags;
HRESULT hr;
TRACE("%p, %s, %p.\n", iface, debugstr_guid(format), position);
if (FAILED(hr = IMFMediaSource_GetCharacteristics(reader->source, &flags)))
return hr;
if (!(flags & MFMEDIASOURCE_CAN_SEEK))
return MF_E_INVALIDREQUEST;
EnterCriticalSection(&reader->cs);
/* Check if we got pending requests. */
for (i = 0; i < reader->stream_count; ++i)
{
if (reader->streams[i].requests)
{
hr = MF_E_INVALIDREQUEST;
break;
}
}
if (SUCCEEDED(hr))
{
if (reader->async_callback)
{
if (SUCCEEDED(hr = source_reader_create_async_op(SOURCE_READER_ASYNC_SEEK, &command)))
{
command->u.seek.format = *format;
PropVariantCopy(&command->u.seek.position, position);
hr = MFPutWorkItem(MFASYNC_CALLBACK_QUEUE_MULTITHREADED, &reader->async_commands_callback,
&command->IUnknown_iface);
IUnknown_Release(&command->IUnknown_iface);
}
}
else
{
if (SUCCEEDED(IMFMediaSource_Start(reader->source, reader->descriptor, format, position)))
{
reader->flags |= SOURCE_READER_SEEKING;
while (reader->flags & SOURCE_READER_SEEKING)
{
SleepConditionVariableCS(&reader->state_event, &reader->cs, INFINITE);
}
}
}
}
LeaveCriticalSection(&reader->cs);
return hr;
}
static HRESULT source_reader_read_sample(struct source_reader *reader, DWORD index, DWORD flags, DWORD *actual_index,
DWORD *stream_flags, LONGLONG *timestamp, IMFSample **sample)
{
unsigned int actual_index_tmp;
struct media_stream *stream;
LONGLONG timestamp_tmp;
DWORD stream_index;
HRESULT hr = S_OK;
if (!stream_flags || !sample)
return E_POINTER;
*sample = NULL;
if (!timestamp)
timestamp = &timestamp_tmp;
if (!actual_index)
actual_index = &actual_index_tmp;
if (SUCCEEDED(hr = source_reader_start_source(reader)))
{
if (SUCCEEDED(hr = source_reader_get_stream_read_index(reader, index, &stream_index)))
{
*actual_index = stream_index;
stream = &reader->streams[stream_index];
if (!source_reader_get_read_result(reader, stream, flags, &hr, actual_index, stream_flags,
timestamp, sample))
{
while (!source_reader_got_response_for_stream(reader, stream) && stream->state != STREAM_STATE_EOS)
{
stream->requests++;
if (FAILED(hr = source_reader_request_sample(reader, stream)))
WARN("Failed to request a sample, hr %#x.\n", hr);
if (stream->stream && !(stream->flags & STREAM_FLAG_SAMPLE_REQUESTED))
{
*stream_flags = MF_SOURCE_READERF_ERROR;
*timestamp = 0;
break;
}
SleepConditionVariableCS(&reader->sample_event, &reader->cs, INFINITE);
}
if (SUCCEEDED(hr))
source_reader_get_read_result(reader, stream, flags, &hr, actual_index, stream_flags,
timestamp, sample);
}
}
else
{
*actual_index = index;
*stream_flags = MF_SOURCE_READERF_ERROR;
*timestamp = 0;
}
}
TRACE("Stream %u, got sample %p, flags %#x.\n", *actual_index, *sample, *stream_flags);
return hr;
}
static HRESULT source_reader_read_sample_async(struct source_reader *reader, unsigned int index, unsigned int flags,
unsigned int *actual_index, unsigned int *stream_flags, LONGLONG *timestamp, IMFSample **sample)
{
struct source_reader_async_command *command;
HRESULT hr;
if (actual_index || stream_flags || timestamp || sample)
return E_INVALIDARG;
if (reader->flags & SOURCE_READER_FLUSHING)
hr = MF_E_NOTACCEPTING;
else
{
if (SUCCEEDED(hr = source_reader_create_async_op(SOURCE_READER_ASYNC_READ, &command)))
{
command->u.read.stream_index = index;
command->u.read.flags = flags;
hr = MFPutWorkItem(MFASYNC_CALLBACK_QUEUE_STANDARD, &reader->async_commands_callback, &command->IUnknown_iface);
IUnknown_Release(&command->IUnknown_iface);
}
}
return hr;
}
static HRESULT WINAPI src_reader_ReadSample(IMFSourceReader *iface, DWORD index, DWORD flags, DWORD *actual_index,
DWORD *stream_flags, LONGLONG *timestamp, IMFSample **sample)
{
struct source_reader *reader = impl_from_IMFSourceReader(iface);
HRESULT hr;
TRACE("%p, %#x, %#x, %p, %p, %p, %p\n", iface, index, flags, actual_index, stream_flags, timestamp, sample);
EnterCriticalSection(&reader->cs);
while (reader->flags & SOURCE_READER_SEEKING)
{
SleepConditionVariableCS(&reader->state_event, &reader->cs, INFINITE);
}
if (reader->async_callback)
hr = source_reader_read_sample_async(reader, index, flags, actual_index, stream_flags, timestamp, sample);
else
hr = source_reader_read_sample(reader, index, flags, actual_index, stream_flags, timestamp, sample);
LeaveCriticalSection(&reader->cs);
return hr;
}
static HRESULT source_reader_flush_async(struct source_reader *reader, unsigned int index)
{
struct source_reader_async_command *command;
unsigned int stream_index;
HRESULT hr;
if (reader->flags & SOURCE_READER_FLUSHING)
return MF_E_INVALIDREQUEST;
switch (index)
{
case MF_SOURCE_READER_FIRST_VIDEO_STREAM:
stream_index = reader->first_video_stream_index;
break;
case MF_SOURCE_READER_FIRST_AUDIO_STREAM:
stream_index = reader->first_audio_stream_index;
break;
default:
stream_index = index;
}
reader->flags |= SOURCE_READER_FLUSHING;
if (stream_index != MF_SOURCE_READER_ALL_STREAMS && stream_index >= reader->stream_count)
return MF_E_INVALIDSTREAMNUMBER;
if (FAILED(hr = source_reader_create_async_op(SOURCE_READER_ASYNC_FLUSH, &command)))
return hr;
command->u.flush.stream_index = stream_index;
hr = MFPutWorkItem(MFASYNC_CALLBACK_QUEUE_STANDARD, &reader->async_commands_callback, &command->IUnknown_iface);
IUnknown_Release(&command->IUnknown_iface);
return hr;
}
static HRESULT WINAPI src_reader_Flush(IMFSourceReader *iface, DWORD index)
{
struct source_reader *reader = impl_from_IMFSourceReader(iface);
HRESULT hr;
TRACE("%p, %#x.\n", iface, index);
EnterCriticalSection(&reader->cs);
if (reader->async_callback)
hr = source_reader_flush_async(reader, index);
else
hr = source_reader_flush(reader, index);
LeaveCriticalSection(&reader->cs);
return hr;
}
static HRESULT WINAPI src_reader_GetServiceForStream(IMFSourceReader *iface, DWORD index, REFGUID service,
REFIID riid, void **object)
{
struct source_reader *reader = impl_from_IMFSourceReader(iface);
IUnknown *obj = NULL;
HRESULT hr;
TRACE("%p, %#x, %s, %s, %p\n", iface, index, debugstr_guid(service), debugstr_guid(riid), object);
switch (index)
{
case MF_SOURCE_READER_MEDIASOURCE:
obj = (IUnknown *)reader->source;
break;
default:
FIXME("Unsupported index %#x.\n", index);
return E_NOTIMPL;
}
if (IsEqualGUID(service, &GUID_NULL))
{
hr = IUnknown_QueryInterface(obj, riid, object);
}
else
{
IMFGetService *gs;
hr = IUnknown_QueryInterface(obj, &IID_IMFGetService, (void **)&gs);
if (SUCCEEDED(hr))
{
hr = IMFGetService_GetService(gs, service, riid, object);
IMFGetService_Release(gs);
}
}
return hr;
}
static HRESULT WINAPI src_reader_GetPresentationAttribute(IMFSourceReader *iface, DWORD index,
REFGUID guid, PROPVARIANT *value)
{
struct source_reader *reader = impl_from_IMFSourceReader(iface);
IMFStreamDescriptor *sd;
BOOL selected;
HRESULT hr;
TRACE("%p, %#x, %s, %p.\n", iface, index, debugstr_guid(guid), value);
switch (index)
{
case MF_SOURCE_READER_MEDIASOURCE:
if (IsEqualGUID(guid, &MF_SOURCE_READER_MEDIASOURCE_CHARACTERISTICS))
{
DWORD flags;
if (FAILED(hr = IMFMediaSource_GetCharacteristics(reader->source, &flags)))
return hr;
value->vt = VT_UI4;
value->u.ulVal = flags;
return S_OK;
}
else
{
return IMFPresentationDescriptor_GetItem(reader->descriptor, guid, value);
}
break;
case MF_SOURCE_READER_FIRST_VIDEO_STREAM:
index = reader->first_video_stream_index;
break;
case MF_SOURCE_READER_FIRST_AUDIO_STREAM:
index = reader->first_audio_stream_index;
break;
default:
;
}
if (FAILED(hr = IMFPresentationDescriptor_GetStreamDescriptorByIndex(reader->descriptor, index, &selected, &sd)))
return hr;
hr = IMFStreamDescriptor_GetItem(sd, guid, value);
IMFStreamDescriptor_Release(sd);
return hr;
}
struct IMFSourceReaderVtbl srcreader_vtbl =
{
src_reader_QueryInterface,
src_reader_AddRef,
src_reader_Release,
src_reader_GetStreamSelection,
src_reader_SetStreamSelection,
src_reader_GetNativeMediaType,
src_reader_GetCurrentMediaType,
src_reader_SetCurrentMediaType,
src_reader_SetCurrentPosition,
src_reader_ReadSample,
src_reader_Flush,
src_reader_GetServiceForStream,
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 (FAILED(hr))
{
WARN("Failed to get stream major type, hr %#x.\n", hr);
continue;
}
if (IsEqualGUID(&guid, major))
{
return i;
}
}
}
}
return MF_SOURCE_READER_INVALID_STREAM_INDEX;
}
static HRESULT create_source_reader_from_source(IMFMediaSource *source, IMFAttributes *attributes,
BOOL shutdown_on_release, REFIID riid, void **out)
{
struct source_reader *object;
unsigned int i;
HRESULT hr;
object = heap_alloc_zero(sizeof(*object));
if (!object)
return E_OUTOFMEMORY;
object->IMFSourceReader_iface.lpVtbl = &srcreader_vtbl;
object->source_events_callback.lpVtbl = &source_events_callback_vtbl;
object->stream_events_callback.lpVtbl = &stream_events_callback_vtbl;
object->async_commands_callback.lpVtbl = &async_commands_callback_vtbl;
object->refcount = 1;
list_init(&object->responses);
if (shutdown_on_release)
object->flags |= SOURCE_READER_SHUTDOWN_ON_RELEASE;
object->source = source;
IMFMediaSource_AddRef(object->source);
InitializeCriticalSection(&object->cs);
InitializeConditionVariable(&object->sample_event);
InitializeConditionVariable(&object->state_event);
if (FAILED(hr = IMFMediaSource_CreatePresentationDescriptor(object->source, &object->descriptor)))
goto failed;
if (FAILED(hr = IMFPresentationDescriptor_GetStreamDescriptorCount(object->descriptor, &object->stream_count)))
goto failed;
if (!(object->streams = heap_alloc_zero(object->stream_count * sizeof(*object->streams))))
{
hr = E_OUTOFMEMORY;
goto failed;
}
/* Set initial current media types. */
for (i = 0; i < object->stream_count; ++i)
{
IMFMediaTypeHandler *handler;
IMFStreamDescriptor *sd;
IMFMediaType *src_type;
BOOL selected;
if (FAILED(hr = MFCreateMediaType(&object->streams[i].current)))
break;
if (FAILED(hr = IMFPresentationDescriptor_GetStreamDescriptorByIndex(object->descriptor, i, &selected, &sd)))
break;
if (FAILED(hr = IMFStreamDescriptor_GetStreamIdentifier(sd, &object->streams[i].id)))
WARN("Failed to get stream identifier, hr %#x.\n", hr);
hr = IMFStreamDescriptor_GetMediaTypeHandler(sd, &handler);
IMFStreamDescriptor_Release(sd);
if (FAILED(hr))
break;
hr = IMFMediaTypeHandler_GetMediaTypeByIndex(handler, 0, &src_type);
IMFMediaTypeHandler_Release(handler);
if (FAILED(hr))
break;
hr = IMFMediaType_CopyAllItems(src_type, (IMFAttributes *)object->streams[i].current);
IMFMediaType_Release(src_type);
if (FAILED(hr))
break;
object->streams[i].index = i;
}
if (FAILED(hr))
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)))
{
goto failed;
}
if (attributes)
{
IMFAttributes_GetUnknown(attributes, &MF_SOURCE_READER_ASYNC_CALLBACK, &IID_IMFSourceReaderCallback,
(void **)&object->async_callback);
if (object->async_callback)
TRACE("Using async callback %p.\n", object->async_callback);
}
hr = IMFSourceReader_QueryInterface(&object->IMFSourceReader_iface, riid, out);
failed:
IMFSourceReader_Release(&object->IMFSourceReader_iface);
return hr;
}
static HRESULT bytestream_get_url_hint(IMFByteStream *stream, WCHAR const **url)
{
static const unsigned char asfmagic[] = {0x30,0x26,0xb2,0x75,0x8e,0x66,0xcf,0x11,0xa6,0xd9,0x00,0xaa,0x00,0x62,0xce,0x6c};
static const unsigned char wavmagic[] = { 'R', 'I', 'F', 'F',0x00,0x00,0x00,0x00, 'W', 'A', 'V', 'E', 'f', 'm', 't', ' '};
static const unsigned char wavmask[] = {0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff};
static const unsigned char isommagic[] = {0x00,0x00,0x00,0x00, 'f', 't', 'y', 'p', 'i', 's', 'o', 'm',0x00,0x00,0x00,0x00};
static const unsigned char mp42magic[] = {0x00,0x00,0x00,0x00, 'f', 't', 'y', 'p', 'm', 'p', '4', '2',0x00,0x00,0x00,0x00};
static const unsigned char mp4mask[] = {0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00};
static const struct stream_content_url_hint
{
const unsigned char *magic;
const WCHAR *url;
const unsigned char *mask;
}
url_hints[] =
{
{ asfmagic, L".asf" },
{ wavmagic, L".wav", wavmask },
{ isommagic, L".mp4", mp4mask },
{ mp42magic, L".mp4", mp4mask },
};
unsigned char buffer[4 * sizeof(unsigned int)], pattern[4 * sizeof(unsigned int)];
unsigned int i, j, length = 0, caps = 0;
IMFAttributes *attributes;
QWORD position;
HRESULT hr;
*url = NULL;
if (SUCCEEDED(IMFByteStream_QueryInterface(stream, &IID_IMFAttributes, (void **)&attributes)))
{
IMFAttributes_GetStringLength(attributes, &MF_BYTESTREAM_CONTENT_TYPE, &length);
IMFAttributes_Release(attributes);
}
if (length)
return S_OK;
if (FAILED(hr = IMFByteStream_GetCapabilities(stream, &caps)))
return hr;
if (!(caps & MFBYTESTREAM_IS_SEEKABLE))
return S_OK;
if (FAILED(hr = IMFByteStream_GetCurrentPosition(stream, &position)))
return hr;
hr = IMFByteStream_Read(stream, buffer, sizeof(buffer), &length);
IMFByteStream_SetCurrentPosition(stream, position);
if (FAILED(hr))
return hr;
if (length < sizeof(buffer))
return S_OK;
for (i = 0; i < ARRAY_SIZE(url_hints); ++i)
{
memcpy(pattern, buffer, sizeof(buffer));
if (url_hints[i].mask)
{
unsigned int *mask = (unsigned int *)url_hints[i].mask;
unsigned int *data = (unsigned int *)pattern;
for (j = 0; j < sizeof(buffer) / sizeof(unsigned int); ++j)
data[j] &= mask[j];
}
if (!memcmp(pattern, url_hints[i].magic, sizeof(pattern)))
{
*url = url_hints[i].url;
break;
}
}
if (*url)
TRACE("Stream type guessed as %s from %s.\n", debugstr_w(*url), debugstr_an((char *)buffer, length));
else
WARN("Unrecognized content type %s.\n", debugstr_an((char *)buffer, length));
return S_OK;
}
static HRESULT create_source_reader_from_stream(IMFByteStream *stream, IMFAttributes *attributes,
REFIID riid, void **out)
{
IPropertyStore *props = NULL;
IMFSourceResolver *resolver;
MF_OBJECT_TYPE obj_type;
IMFMediaSource *source;
const WCHAR *url;
HRESULT hr;
/* If stream does not have content type set, try to guess from starting byte sequence. */
if (FAILED(hr = bytestream_get_url_hint(stream, &url)))
return hr;
if (FAILED(hr = MFCreateSourceResolver(&resolver)))
return hr;
if (attributes)
IMFAttributes_GetUnknown(attributes, &MF_SOURCE_READER_MEDIASOURCE_CONFIG, &IID_IPropertyStore,
(void **)&props);
hr = IMFSourceResolver_CreateObjectFromByteStream(resolver, stream, url, MF_RESOLUTION_MEDIASOURCE, props,
&obj_type, (IUnknown **)&source);
IMFSourceResolver_Release(resolver);
if (props)
IPropertyStore_Release(props);
if (FAILED(hr))
return hr;
hr = create_source_reader_from_source(source, attributes, TRUE, riid, out);
IMFMediaSource_Release(source);
return hr;
}
static HRESULT create_source_reader_from_url(const WCHAR *url, IMFAttributes *attributes, REFIID riid, void **out)
{
IPropertyStore *props = NULL;
IMFSourceResolver *resolver;
IUnknown *object = NULL;
MF_OBJECT_TYPE obj_type;
IMFMediaSource *source;
HRESULT hr;
if (FAILED(hr = MFCreateSourceResolver(&resolver)))
return hr;
if (attributes)
IMFAttributes_GetUnknown(attributes, &MF_SOURCE_READER_MEDIASOURCE_CONFIG, &IID_IPropertyStore,
(void **)&props);
hr = IMFSourceResolver_CreateObjectFromURL(resolver, url, MF_RESOLUTION_MEDIASOURCE, props, &obj_type,
&object);
if (SUCCEEDED(hr))
{
switch (obj_type)
{
case MF_OBJECT_BYTESTREAM:
hr = IMFSourceResolver_CreateObjectFromByteStream(resolver, (IMFByteStream *)object, NULL,
MF_RESOLUTION_MEDIASOURCE, props, &obj_type, (IUnknown **)&source);
break;
case MF_OBJECT_MEDIASOURCE:
source = (IMFMediaSource *)object;
IMFMediaSource_AddRef(source);
break;
default:
WARN("Unknown object type %d.\n", obj_type);
hr = E_UNEXPECTED;
}
IUnknown_Release(object);
}
IMFSourceResolver_Release(resolver);
if (props)
IPropertyStore_Release(props);
if (FAILED(hr))
return hr;
hr = create_source_reader_from_source(source, attributes, TRUE, riid, out);
IMFMediaSource_Release(source);
return hr;
}
static HRESULT create_source_reader_from_object(IUnknown *unk, IMFAttributes *attributes, REFIID riid, void **out)
{
IMFMediaSource *source = NULL;
IMFByteStream *stream = NULL;
HRESULT hr;
hr = IUnknown_QueryInterface(unk, &IID_IMFMediaSource, (void **)&source);
if (FAILED(hr))
hr = IUnknown_QueryInterface(unk, &IID_IMFByteStream, (void **)&stream);
if (source)
{
UINT32 disconnect = 0;
if (attributes)
IMFAttributes_GetUINT32(attributes, &MF_SOURCE_READER_DISCONNECT_MEDIASOURCE_ON_SHUTDOWN, &disconnect);
hr = create_source_reader_from_source(source, attributes, !disconnect, riid, out);
}
else if (stream)
hr = create_source_reader_from_stream(stream, attributes, riid, out);
if (source)
IMFMediaSource_Release(source);
if (stream)
IMFByteStream_Release(stream);
return hr;
}
/***********************************************************************
* MFCreateSourceReaderFromByteStream (mfreadwrite.@)
*/
HRESULT WINAPI MFCreateSourceReaderFromByteStream(IMFByteStream *stream, IMFAttributes *attributes,
IMFSourceReader **reader)
{
TRACE("%p, %p, %p.\n", stream, attributes, reader);
return create_source_reader_from_object((IUnknown *)stream, attributes, &IID_IMFSourceReader, (void **)reader);
}
/***********************************************************************
* MFCreateSourceReaderFromMediaSource (mfreadwrite.@)
*/
HRESULT WINAPI MFCreateSourceReaderFromMediaSource(IMFMediaSource *source, IMFAttributes *attributes,
IMFSourceReader **reader)
{
TRACE("%p, %p, %p.\n", source, attributes, reader);
return create_source_reader_from_object((IUnknown *)source, attributes, &IID_IMFSourceReader, (void **)reader);
}
/***********************************************************************
* MFCreateSourceReaderFromURL (mfreadwrite.@)
*/
HRESULT WINAPI MFCreateSourceReaderFromURL(const WCHAR *url, IMFAttributes *attributes, IMFSourceReader **reader)
{
TRACE("%s, %p, %p.\n", debugstr_w(url), attributes, reader);
return create_source_reader_from_url(url, attributes, &IID_IMFSourceReader, (void **)reader);
}
static HRESULT WINAPI readwrite_factory_QueryInterface(IMFReadWriteClassFactory *iface, REFIID riid, void **out)
{
if (IsEqualIID(riid, &IID_IMFReadWriteClassFactory) ||
IsEqualIID(riid, &IID_IUnknown))
{
*out = iface;
IMFReadWriteClassFactory_AddRef(iface);
return S_OK;
}
WARN("Unsupported interface %s.\n", debugstr_guid(riid));
*out = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI readwrite_factory_AddRef(IMFReadWriteClassFactory *iface)
{
return 2;
}
static ULONG WINAPI readwrite_factory_Release(IMFReadWriteClassFactory *iface)
{
return 1;
}
static HRESULT WINAPI readwrite_factory_CreateInstanceFromURL(IMFReadWriteClassFactory *iface, REFCLSID clsid,
const WCHAR *url, IMFAttributes *attributes, REFIID riid, void **out)
{
TRACE("%s, %s, %p, %s, %p.\n", debugstr_guid(clsid), debugstr_w(url), attributes, debugstr_guid(riid), out);
if (IsEqualGUID(clsid, &CLSID_MFSourceReader))
{
return create_source_reader_from_url(url, attributes, &IID_IMFSourceReader, out);
}
FIXME("Unsupported %s.\n", debugstr_guid(clsid));
return E_NOTIMPL;
}
static HRESULT WINAPI readwrite_factory_CreateInstanceFromObject(IMFReadWriteClassFactory *iface, REFCLSID clsid,
IUnknown *unk, IMFAttributes *attributes, REFIID riid, void **out)
{
HRESULT hr;
TRACE("%s, %p, %p, %s, %p.\n", debugstr_guid(clsid), unk, attributes, debugstr_guid(riid), out);
if (IsEqualGUID(clsid, &CLSID_MFSourceReader))
{
return create_source_reader_from_object(unk, attributes, riid, out);
}
else if (IsEqualGUID(clsid, &CLSID_MFSinkWriter))
{
IMFByteStream *stream = NULL;
IMFMediaSink *sink = NULL;
hr = IUnknown_QueryInterface(unk, &IID_IMFByteStream, (void **)&stream);
if (FAILED(hr))
hr = IUnknown_QueryInterface(unk, &IID_IMFMediaSink, (void **)&sink);
if (stream)
hr = create_sink_writer_from_stream(stream, attributes, riid, out);
else if (sink)
hr = create_sink_writer_from_sink(sink, attributes, riid, out);
if (sink)
IMFMediaSink_Release(sink);
if (stream)
IMFByteStream_Release(stream);
return hr;
}
else
{
WARN("Unsupported class %s.\n", debugstr_guid(clsid));
*out = NULL;
return E_FAIL;
}
}
static const IMFReadWriteClassFactoryVtbl readwrite_factory_vtbl =
{
readwrite_factory_QueryInterface,
readwrite_factory_AddRef,
readwrite_factory_Release,
readwrite_factory_CreateInstanceFromURL,
readwrite_factory_CreateInstanceFromObject,
};
static IMFReadWriteClassFactory readwrite_factory = { &readwrite_factory_vtbl };
static HRESULT WINAPI classfactory_QueryInterface(IClassFactory *iface, REFIID riid, void **out)
{
TRACE("%s, %p.\n", debugstr_guid(riid), out);
if (IsEqualGUID(riid, &IID_IClassFactory) ||
IsEqualGUID(riid, &IID_IUnknown))
{
IClassFactory_AddRef(iface);
*out = iface;
return S_OK;
}
WARN("interface %s not implemented\n", debugstr_guid(riid));
*out = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI classfactory_AddRef(IClassFactory *iface)
{
return 2;
}
static ULONG WINAPI classfactory_Release(IClassFactory *iface)
{
return 1;
}
static HRESULT WINAPI classfactory_CreateInstance(IClassFactory *iface, IUnknown *outer, REFIID riid, void **out)
{
TRACE("%p, %s, %p.\n", outer, debugstr_guid(riid), out);
*out = NULL;
if (outer)
return CLASS_E_NOAGGREGATION;
return IMFReadWriteClassFactory_QueryInterface(&readwrite_factory, riid, out);
}
static HRESULT WINAPI classfactory_LockServer(IClassFactory *iface, BOOL dolock)
{
FIXME("%d.\n", dolock);
return S_OK;
}
static const struct IClassFactoryVtbl classfactoryvtbl =
{
classfactory_QueryInterface,
classfactory_AddRef,
classfactory_Release,
classfactory_CreateInstance,
classfactory_LockServer,
};
static IClassFactory classfactory = { &classfactoryvtbl };
HRESULT WINAPI DllGetClassObject(REFCLSID clsid, REFIID riid, void **out)
{
TRACE("%s, %s, %p.\n", debugstr_guid(clsid), debugstr_guid(riid), out);
if (IsEqualGUID(clsid, &CLSID_MFReadWriteClassFactory))
return IClassFactory_QueryInterface(&classfactory, riid, out);
WARN("Unsupported class %s.\n", debugstr_guid(clsid));
*out = NULL;
return CLASS_E_CLASSNOTAVAILABLE;
}
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