Sweden-Number/include/wine/strmbase.h

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/*
* Header file for Wine's strmbase implementation
*
* Copyright 2003 Robert Shearman
* Copyright 2010 Aric Stewart, CodeWeavers
*
* 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 "dshow.h"
HRESULT WINAPI CopyMediaType(AM_MEDIA_TYPE * pDest, const AM_MEDIA_TYPE *pSrc);
void WINAPI FreeMediaType(AM_MEDIA_TYPE * pMediaType);
AM_MEDIA_TYPE * WINAPI CreateMediaType(AM_MEDIA_TYPE const * pSrc);
void WINAPI DeleteMediaType(AM_MEDIA_TYPE * pMediaType);
void strmbase_dump_media_type(const AM_MEDIA_TYPE *mt);
/* Pin functions */
struct strmbase_pin
{
IPin IPin_iface;
struct strmbase_filter *filter;
PIN_DIRECTION dir;
WCHAR name[128];
IPin *peer;
AM_MEDIA_TYPE mt;
const struct strmbase_pin_ops *ops;
};
struct strmbase_pin_ops
{
/* Required for QueryAccept(), Connect(), ReceiveConnection(). */
HRESULT (*pin_query_accept)(struct strmbase_pin *pin, const AM_MEDIA_TYPE *mt);
/* Required for EnumMediaTypes(). */
HRESULT (*pin_get_media_type)(struct strmbase_pin *pin, unsigned int index, AM_MEDIA_TYPE *mt);
HRESULT (*pin_query_interface)(struct strmbase_pin *pin, REFIID iid, void **out);
};
struct strmbase_source
{
struct strmbase_pin pin;
IMemInputPin *pMemInputPin;
IMemAllocator *pAllocator;
const struct strmbase_source_ops *pFuncsTable;
};
typedef HRESULT (WINAPI *BaseOutputPin_AttemptConnection)(struct strmbase_source *pin, IPin *peer, const AM_MEDIA_TYPE *mt);
typedef HRESULT (WINAPI *BaseOutputPin_DecideBufferSize)(struct strmbase_source *pin, IMemAllocator *allocator, ALLOCATOR_PROPERTIES *props);
typedef HRESULT (WINAPI *BaseOutputPin_DecideAllocator)(struct strmbase_source *pin, IMemInputPin *peer, IMemAllocator **allocator);
struct strmbase_source_ops
{
struct strmbase_pin_ops base;
/* Required for Connect(). */
BaseOutputPin_AttemptConnection pfnAttemptConnection;
/* Required for BaseOutputPinImpl_DecideAllocator */
BaseOutputPin_DecideBufferSize pfnDecideBufferSize;
/* Required for BaseOutputPinImpl_AttemptConnection */
BaseOutputPin_DecideAllocator pfnDecideAllocator;
void (*source_disconnect)(struct strmbase_source *pin);
};
struct strmbase_sink
{
struct strmbase_pin pin;
IMemInputPin IMemInputPin_iface;
IMemAllocator *pAllocator;
BOOL flushing;
IMemAllocator *preferred_allocator;
const struct strmbase_sink_ops *pFuncsTable;
};
typedef HRESULT (WINAPI *BaseInputPin_Receive)(struct strmbase_sink *This, IMediaSample *pSample);
struct strmbase_sink_ops
{
struct strmbase_pin_ops base;
BaseInputPin_Receive pfnReceive;
HRESULT (*sink_connect)(struct strmbase_sink *pin, IPin *peer, const AM_MEDIA_TYPE *mt);
void (*sink_disconnect)(struct strmbase_sink *pin);
HRESULT (*sink_eos)(struct strmbase_sink *pin);
HRESULT (*sink_begin_flush)(struct strmbase_sink *pin);
HRESULT (*sink_end_flush)(struct strmbase_sink *pin);
HRESULT (*sink_new_segment)(struct strmbase_sink *pin, REFERENCE_TIME start, REFERENCE_TIME stop, double rate);
};
/* Base Pin */
HRESULT WINAPI BaseOutputPinImpl_DecideAllocator(struct strmbase_source *pin, IMemInputPin *peer, IMemAllocator **allocator);
HRESULT WINAPI BaseOutputPinImpl_AttemptConnection(struct strmbase_source *pin, IPin *peer, const AM_MEDIA_TYPE *mt);
void strmbase_source_cleanup(struct strmbase_source *pin);
void strmbase_source_init(struct strmbase_source *pin, struct strmbase_filter *filter,
const WCHAR *name, const struct strmbase_source_ops *func_table);
void strmbase_sink_init(struct strmbase_sink *pin, struct strmbase_filter *filter,
const WCHAR *name, const struct strmbase_sink_ops *ops, IMemAllocator *allocator);
void strmbase_sink_cleanup(struct strmbase_sink *pin);
struct strmbase_filter
{
IBaseFilter IBaseFilter_iface;
IUnknown IUnknown_inner;
IUnknown *outer_unk;
LONG refcount;
CRITICAL_SECTION filter_cs;
CRITICAL_SECTION stream_cs;
FILTER_STATE state;
IReferenceClock *clock;
WCHAR name[128];
IFilterGraph *graph;
CLSID clsid;
LONG pin_version;
const struct strmbase_filter_ops *ops;
};
struct strmbase_filter_ops
{
struct strmbase_pin *(*filter_get_pin)(struct strmbase_filter *iface, unsigned int index);
void (*filter_destroy)(struct strmbase_filter *iface);
HRESULT (*filter_query_interface)(struct strmbase_filter *iface, REFIID iid, void **out);
HRESULT (*filter_init_stream)(struct strmbase_filter *iface);
HRESULT (*filter_start_stream)(struct strmbase_filter *iface, REFERENCE_TIME time);
HRESULT (*filter_stop_stream)(struct strmbase_filter *iface);
HRESULT (*filter_cleanup_stream)(struct strmbase_filter *iface);
HRESULT (*filter_wait_state)(struct strmbase_filter *iface, DWORD timeout);
};
VOID WINAPI BaseFilterImpl_IncrementPinVersion(struct strmbase_filter *filter);
void strmbase_filter_init(struct strmbase_filter *filter, IUnknown *outer,
const CLSID *clsid, const struct strmbase_filter_ops *func_table);
void strmbase_filter_cleanup(struct strmbase_filter *filter);
/* Source Seeking */
typedef HRESULT (WINAPI *SourceSeeking_ChangeRate)(IMediaSeeking *iface);
typedef HRESULT (WINAPI *SourceSeeking_ChangeStart)(IMediaSeeking *iface);
typedef HRESULT (WINAPI *SourceSeeking_ChangeStop)(IMediaSeeking *iface);
typedef struct SourceSeeking
{
IMediaSeeking IMediaSeeking_iface;
ULONG refCount;
SourceSeeking_ChangeStop fnChangeStop;
SourceSeeking_ChangeStart fnChangeStart;
SourceSeeking_ChangeRate fnChangeRate;
DWORD dwCapabilities;
double dRate;
LONGLONG llCurrent, llStop, llDuration;
GUID timeformat;
CRITICAL_SECTION cs;
} SourceSeeking;
HRESULT strmbase_seeking_init(SourceSeeking *seeking, const IMediaSeekingVtbl *vtbl,
SourceSeeking_ChangeStop fnChangeStop, SourceSeeking_ChangeStart fnChangeStart,
SourceSeeking_ChangeRate fnChangeRate);
void strmbase_seeking_cleanup(SourceSeeking *seeking);
HRESULT WINAPI SourceSeekingImpl_GetCapabilities(IMediaSeeking * iface, DWORD * pCapabilities);
HRESULT WINAPI SourceSeekingImpl_CheckCapabilities(IMediaSeeking * iface, DWORD * pCapabilities);
HRESULT WINAPI SourceSeekingImpl_IsFormatSupported(IMediaSeeking * iface, const GUID * pFormat);
HRESULT WINAPI SourceSeekingImpl_QueryPreferredFormat(IMediaSeeking * iface, GUID * pFormat);
HRESULT WINAPI SourceSeekingImpl_GetTimeFormat(IMediaSeeking * iface, GUID * pFormat);
HRESULT WINAPI SourceSeekingImpl_IsUsingTimeFormat(IMediaSeeking * iface, const GUID * pFormat);
HRESULT WINAPI SourceSeekingImpl_SetTimeFormat(IMediaSeeking * iface, const GUID * pFormat);
HRESULT WINAPI SourceSeekingImpl_GetDuration(IMediaSeeking * iface, LONGLONG * pDuration);
HRESULT WINAPI SourceSeekingImpl_GetStopPosition(IMediaSeeking * iface, LONGLONG * pStop);
HRESULT WINAPI SourceSeekingImpl_GetCurrentPosition(IMediaSeeking * iface, LONGLONG * pCurrent);
HRESULT WINAPI SourceSeekingImpl_ConvertTimeFormat(IMediaSeeking * iface, LONGLONG * pTarget, const GUID * pTargetFormat, LONGLONG Source, const GUID * pSourceFormat);
HRESULT WINAPI SourceSeekingImpl_SetPositions(IMediaSeeking * iface, LONGLONG * pCurrent, DWORD dwCurrentFlags, LONGLONG * pStop, DWORD dwStopFlags);
HRESULT WINAPI SourceSeekingImpl_GetPositions(IMediaSeeking * iface, LONGLONG * pCurrent, LONGLONG * pStop);
HRESULT WINAPI SourceSeekingImpl_GetAvailable(IMediaSeeking * iface, LONGLONG * pEarliest, LONGLONG * pLatest);
HRESULT WINAPI SourceSeekingImpl_SetRate(IMediaSeeking * iface, double dRate);
HRESULT WINAPI SourceSeekingImpl_GetRate(IMediaSeeking * iface, double * dRate);
HRESULT WINAPI SourceSeekingImpl_GetPreroll(IMediaSeeking * iface, LONGLONG * pPreroll);
enum strmbase_type_id
{
IBasicAudio_tid,
IBasicVideo_tid,
IMediaControl_tid,
IMediaEvent_tid,
IMediaPosition_tid,
IVideoWindow_tid,
last_tid
};
HRESULT strmbase_get_typeinfo(enum strmbase_type_id tid, ITypeInfo **typeinfo);
void strmbase_release_typelibs(void);
struct strmbase_passthrough
{
ISeekingPassThru ISeekingPassThru_iface;
IMediaSeeking IMediaSeeking_iface;
IMediaPosition IMediaPosition_iface;
IUnknown *outer_unk;
IPin *pin;
BOOL renderer;
BOOL timevalid;
CRITICAL_SECTION time_cs;
REFERENCE_TIME time_earliest;
};
void strmbase_passthrough_init(struct strmbase_passthrough *passthrough, IUnknown *outer);
void strmbase_passthrough_cleanup(struct strmbase_passthrough *passthrough);
void strmbase_passthrough_eos(struct strmbase_passthrough *passthrough);
void strmbase_passthrough_invalidate_time(struct strmbase_passthrough *passthrough);
void strmbase_passthrough_update_time(struct strmbase_passthrough *passthrough, REFERENCE_TIME time);
struct strmbase_renderer
{
struct strmbase_filter filter;
struct strmbase_passthrough passthrough;
IQualityControl IQualityControl_iface;
struct strmbase_sink sink;
/* Signaled when the filter has completed a state change. The filter waits
* for this event in IBaseFilter::GetState(). */
HANDLE state_event;
/* Signaled when the sample presentation time occurs. The streaming thread
* waits for this event in Receive() if applicable. */
HANDLE advise_event;
/* Signaled when the filter is running. The streaming thread waits for this
* event in Receive() while paused. */
HANDLE run_event;
/* Signaled when a flush or state change occurs, i.e. anything that needs
* to immediately unblock the streaming thread. */
HANDLE flush_event;
REFERENCE_TIME stream_start;
IMediaSample *current_sample;
IQualityControl *qc_sink;
REFERENCE_TIME last_left, avg_duration, avg_pt;
double avg_rate;
const struct strmbase_renderer_ops *ops;
BOOL eos;
};
struct strmbase_renderer_ops
{
HRESULT (*renderer_query_accept)(struct strmbase_renderer *iface, const AM_MEDIA_TYPE *mt);
HRESULT (*renderer_render)(struct strmbase_renderer *iface, IMediaSample *sample);
void (*renderer_init_stream)(struct strmbase_renderer *iface);
void (*renderer_start_stream)(struct strmbase_renderer *iface);
void (*renderer_stop_stream)(struct strmbase_renderer *iface);
HRESULT (*renderer_connect)(struct strmbase_renderer *iface, const AM_MEDIA_TYPE *mt);
void (*renderer_disconnect)(struct strmbase_renderer *iface);
void (*renderer_destroy)(struct strmbase_renderer *iface);
HRESULT (*renderer_query_interface)(struct strmbase_renderer *iface, REFIID iid, void **out);
HRESULT (*renderer_pin_query_interface)(struct strmbase_renderer *iface, REFIID iid, void **out);
};
void strmbase_renderer_init(struct strmbase_renderer *filter, IUnknown *outer,
const CLSID *clsid, const WCHAR *sink_name, const struct strmbase_renderer_ops *ops);
void strmbase_renderer_cleanup(struct strmbase_renderer *filter);