Sweden-Number/dlls/quartz/acmwrapper.c

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/*
* ACM Wrapper
*
* Copyright 2005 Christian Costa
*
* 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 "quartz_private.h"
#include "uuids.h"
#include "mmreg.h"
#include "windef.h"
#include "winbase.h"
#include "dshow.h"
#include "strmif.h"
#include "vfwmsgs.h"
#include "msacm.h"
#include <assert.h>
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
struct acm_wrapper
{
struct strmbase_filter filter;
CRITICAL_SECTION stream_cs;
struct strmbase_source source;
IQualityControl source_IQualityControl_iface;
IQualityControl *source_qc_sink;
struct strmbase_passthrough passthrough;
struct strmbase_sink sink;
AM_MEDIA_TYPE mt;
HACMSTREAM has;
LPWAVEFORMATEX pWfOut;
LONGLONG lasttime_real;
LONGLONG lasttime_sent;
};
static struct acm_wrapper *impl_from_strmbase_filter(struct strmbase_filter *iface)
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{
return CONTAINING_RECORD(iface, struct acm_wrapper, filter);
}
static HRESULT acm_wrapper_sink_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)
{
struct acm_wrapper *filter = impl_from_strmbase_filter(iface->filter);
if (IsEqualGUID(iid, &IID_IMemInputPin))
*out = &filter->sink.IMemInputPin_iface;
else
return E_NOINTERFACE;
IUnknown_AddRef((IUnknown *)*out);
return S_OK;
}
static HRESULT acm_wrapper_sink_query_accept(struct strmbase_pin *iface, const AM_MEDIA_TYPE *mt)
{
return S_OK;
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}
static HRESULT WINAPI acm_wrapper_sink_Receive(struct strmbase_sink *iface, IMediaSample *pSample)
{
struct acm_wrapper *This = impl_from_strmbase_filter(iface->pin.filter);
IMediaSample* pOutSample = NULL;
DWORD cbDstStream, cbSrcStream;
LPBYTE pbDstStream;
LPBYTE pbSrcStream = NULL;
ACMSTREAMHEADER ash;
BOOL unprepare_header = FALSE, preroll;
MMRESULT res;
HRESULT hr;
LONGLONG tStart = -1, tStop = -1, tMed;
LONGLONG mtStart = -1, mtStop = -1, mtMed;
/* We do not expect pin connection state to change while the filter is
* running. This guarantee is necessary, since otherwise we would have to
* take the filter lock, and we can't take the filter lock from a streaming
* thread. */
if (!This->source.pMemInputPin)
{
WARN("Source is not connected, returning VFW_E_NOT_CONNECTED.\n");
return VFW_E_NOT_CONNECTED;
}
if (This->filter.state == State_Stopped)
return VFW_E_WRONG_STATE;
if (This->sink.flushing)
return S_FALSE;
EnterCriticalSection(&This->stream_cs);
hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
if (FAILED(hr))
{
ERR("Cannot get pointer to sample data (%x)\n", hr);
LeaveCriticalSection(&This->stream_cs);
return hr;
}
preroll = (IMediaSample_IsPreroll(pSample) == S_OK);
IMediaSample_GetTime(pSample, &tStart, &tStop);
if (IMediaSample_GetMediaTime(pSample, &mtStart, &mtStop) != S_OK)
mtStart = mtStop = -1;
cbSrcStream = IMediaSample_GetActualDataLength(pSample);
/* Prevent discontinuities when codecs 'absorb' data but not give anything back in return */
if (IMediaSample_IsDiscontinuity(pSample) == S_OK)
{
This->lasttime_real = tStart;
This->lasttime_sent = tStart;
}
else if (This->lasttime_real == tStart)
tStart = This->lasttime_sent;
else
WARN("Discontinuity\n");
tMed = tStart;
mtMed = mtStart;
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TRACE("Sample data ptr = %p, size = %d\n", pbSrcStream, cbSrcStream);
ash.pbSrc = pbSrcStream;
ash.cbSrcLength = cbSrcStream;
while(hr == S_OK && ash.cbSrcLength)
{
hr = BaseOutputPinImpl_GetDeliveryBuffer(&This->source, &pOutSample, NULL, NULL, 0);
if (FAILED(hr))
{
ERR("Unable to get delivery buffer (%x)\n", hr);
LeaveCriticalSection(&This->stream_cs);
return hr;
}
IMediaSample_SetPreroll(pOutSample, preroll);
hr = IMediaSample_SetActualDataLength(pOutSample, 0);
assert(hr == S_OK);
hr = IMediaSample_GetPointer(pOutSample, &pbDstStream);
if (FAILED(hr)) {
ERR("Unable to get pointer to buffer (%x)\n", hr);
goto error;
}
cbDstStream = IMediaSample_GetSize(pOutSample);
ash.cbStruct = sizeof(ash);
ash.fdwStatus = 0;
ash.dwUser = 0;
ash.pbDst = pbDstStream;
ash.cbDstLength = cbDstStream;
if ((res = acmStreamPrepareHeader(This->has, &ash, 0))) {
ERR("Cannot prepare header %d\n", res);
goto error;
}
unprepare_header = TRUE;
if (IMediaSample_IsDiscontinuity(pSample) == S_OK)
{
res = acmStreamConvert(This->has, &ash, ACM_STREAMCONVERTF_START);
IMediaSample_SetDiscontinuity(pOutSample, TRUE);
/* One sample could be converted to multiple packets */
IMediaSample_SetDiscontinuity(pSample, FALSE);
}
else
{
res = acmStreamConvert(This->has, &ash, 0);
IMediaSample_SetDiscontinuity(pOutSample, FALSE);
}
if (res)
{
if(res != MMSYSERR_MOREDATA)
ERR("Cannot convert data header %d\n", res);
goto error;
}
TRACE("used in %u/%u, used out %u/%u\n", ash.cbSrcLengthUsed, ash.cbSrcLength, ash.cbDstLengthUsed, ash.cbDstLength);
hr = IMediaSample_SetActualDataLength(pOutSample, ash.cbDstLengthUsed);
assert(hr == S_OK);
/* Bug in acm codecs? It apparently uses the input, but doesn't necessarily output immediately */
if (!ash.cbSrcLengthUsed)
{
WARN("Sample was skipped? Outputted: %u\n", ash.cbDstLengthUsed);
ash.cbSrcLength = 0;
goto error;
}
TRACE("Sample start time: %s.\n", debugstr_time(tStart));
if (ash.cbSrcLengthUsed == cbSrcStream)
{
IMediaSample_SetTime(pOutSample, &tStart, &tStop);
tStart = tMed = tStop;
}
else if (tStop != tStart)
{
tMed = tStop - tStart;
tMed = tStart + tMed * ash.cbSrcLengthUsed / cbSrcStream;
IMediaSample_SetTime(pOutSample, &tStart, &tMed);
tStart = tMed;
}
else
{
ERR("No valid timestamp found\n");
IMediaSample_SetTime(pOutSample, NULL, NULL);
}
if (mtStart < 0) {
IMediaSample_SetMediaTime(pOutSample, NULL, NULL);
} else if (ash.cbSrcLengthUsed == cbSrcStream) {
IMediaSample_SetMediaTime(pOutSample, &mtStart, &mtStop);
mtStart = mtMed = mtStop;
} else if (mtStop >= mtStart) {
mtMed = mtStop - mtStart;
mtMed = mtStart + mtMed * ash.cbSrcLengthUsed / cbSrcStream;
IMediaSample_SetMediaTime(pOutSample, &mtStart, &mtMed);
mtStart = mtMed;
} else {
IMediaSample_SetMediaTime(pOutSample, NULL, NULL);
}
TRACE("Sample stop time: %s\n", debugstr_time(tStart));
hr = IMemInputPin_Receive(This->source.pMemInputPin, pOutSample);
if (hr != S_OK && hr != VFW_E_NOT_CONNECTED) {
if (FAILED(hr))
ERR("Error sending sample (%x)\n", hr);
goto error;
}
error:
if (unprepare_header && (res = acmStreamUnprepareHeader(This->has, &ash, 0)))
ERR("Cannot unprepare header %d\n", res);
unprepare_header = FALSE;
ash.pbSrc += ash.cbSrcLengthUsed;
ash.cbSrcLength -= ash.cbSrcLengthUsed;
IMediaSample_Release(pOutSample);
pOutSample = NULL;
}
This->lasttime_real = tStop;
This->lasttime_sent = tMed;
LeaveCriticalSection(&This->stream_cs);
return hr;
}
static BOOL is_audio_subtype(const GUID *guid)
{
return !memcmp(&guid->Data2, &MEDIATYPE_Audio.Data2, sizeof(GUID) - sizeof(int));
}
static HRESULT acm_wrapper_sink_connect(struct strmbase_sink *iface, IPin *peer, const AM_MEDIA_TYPE *mt)
{
struct acm_wrapper *filter = impl_from_strmbase_filter(iface->pin.filter);
const WAVEFORMATEX *wfx = (WAVEFORMATEX *)mt->pbFormat;
HACMSTREAM drv;
MMRESULT res;
if (!IsEqualGUID(&mt->majortype, &MEDIATYPE_Audio) || !is_audio_subtype(&mt->subtype)
|| !IsEqualGUID(&mt->formattype, &FORMAT_WaveFormatEx) || !wfx
|| wfx->wFormatTag == WAVE_FORMAT_PCM || wfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
return VFW_E_TYPE_NOT_ACCEPTED;
CopyMediaType(&filter->mt, mt);
filter->mt.subtype.Data1 = WAVE_FORMAT_PCM;
filter->pWfOut = (WAVEFORMATEX *)filter->mt.pbFormat;
filter->pWfOut->wFormatTag = WAVE_FORMAT_PCM;
filter->pWfOut->wBitsPerSample = 16;
filter->pWfOut->nBlockAlign = filter->pWfOut->wBitsPerSample * filter->pWfOut->nChannels / 8;
filter->pWfOut->cbSize = 0;
filter->pWfOut->nAvgBytesPerSec = filter->pWfOut->nChannels * filter->pWfOut->nSamplesPerSec
* (filter->pWfOut->wBitsPerSample / 8);
if ((res = acmStreamOpen(&drv, NULL, (WAVEFORMATEX *)wfx, filter->pWfOut, NULL, 0, 0, 0)))
{
ERR("Failed to open stream, error %u.\n", res);
FreeMediaType(&filter->mt);
return VFW_E_TYPE_NOT_ACCEPTED;
}
filter->has = drv;
return S_OK;
}
static void acm_wrapper_sink_disconnect(struct strmbase_sink *iface)
{
struct acm_wrapper *filter = impl_from_strmbase_filter(iface->pin.filter);
if (filter->has)
acmStreamClose(filter->has, 0);
filter->has = 0;
filter->lasttime_real = filter->lasttime_sent = -1;
}
static const struct strmbase_sink_ops sink_ops =
{
.base.pin_query_interface = acm_wrapper_sink_query_interface,
.base.pin_query_accept = acm_wrapper_sink_query_accept,
.base.pin_get_media_type = strmbase_pin_get_media_type,
.pfnReceive = acm_wrapper_sink_Receive,
.sink_connect = acm_wrapper_sink_connect,
.sink_disconnect = acm_wrapper_sink_disconnect,
};
static HRESULT acm_wrapper_source_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)
{
struct acm_wrapper *filter = impl_from_strmbase_filter(iface->filter);
if (IsEqualGUID(iid, &IID_IQualityControl))
*out = &filter->source_IQualityControl_iface;
else if (IsEqualGUID(iid, &IID_IMediaSeeking))
*out = &filter->passthrough.IMediaSeeking_iface;
else
return E_NOINTERFACE;
IUnknown_AddRef((IUnknown *)*out);
return S_OK;
}
static HRESULT acm_wrapper_source_query_accept(struct strmbase_pin *iface, const AM_MEDIA_TYPE *mt)
{
struct acm_wrapper *filter = impl_from_strmbase_filter(iface->filter);
if (IsEqualGUID(&mt->majortype, &filter->mt.majortype)
&& (IsEqualGUID(&mt->subtype, &filter->mt.subtype)
|| IsEqualGUID(&filter->mt.subtype, &GUID_NULL)))
return S_OK;
return S_FALSE;
}
static HRESULT acm_wrapper_source_get_media_type(struct strmbase_pin *iface,
unsigned int index, AM_MEDIA_TYPE *mt)
{
struct acm_wrapper *filter = impl_from_strmbase_filter(iface->filter);
if (index)
return VFW_S_NO_MORE_ITEMS;
CopyMediaType(mt, &filter->mt);
return S_OK;
}
static HRESULT WINAPI acm_wrapper_source_DecideBufferSize(struct strmbase_source *iface,
IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
{
struct acm_wrapper *filter = impl_from_strmbase_filter(iface->pin.filter);
ALLOCATOR_PROPERTIES actual;
if (!ppropInputRequest->cbAlign)
ppropInputRequest->cbAlign = 1;
if (ppropInputRequest->cbBuffer < filter->pWfOut->nAvgBytesPerSec / 2)
ppropInputRequest->cbBuffer = filter->pWfOut->nAvgBytesPerSec / 2;
if (!ppropInputRequest->cBuffers)
ppropInputRequest->cBuffers = 1;
return IMemAllocator_SetProperties(pAlloc, ppropInputRequest, &actual);
}
static const struct strmbase_source_ops source_ops =
{
.base.pin_query_interface = acm_wrapper_source_query_interface,
.base.pin_query_accept = acm_wrapper_source_query_accept,
.base.pin_get_media_type = acm_wrapper_source_get_media_type,
.pfnAttemptConnection = BaseOutputPinImpl_AttemptConnection,
.pfnDecideAllocator = BaseOutputPinImpl_DecideAllocator,
.pfnDecideBufferSize = acm_wrapper_source_DecideBufferSize,
};
static struct acm_wrapper *impl_from_source_IQualityControl(IQualityControl *iface)
{
return CONTAINING_RECORD(iface, struct acm_wrapper, source_IQualityControl_iface);
}
static HRESULT WINAPI acm_wrapper_source_qc_QueryInterface(IQualityControl *iface,
REFIID iid, void **out)
{
struct acm_wrapper *filter = impl_from_source_IQualityControl(iface);
return IPin_QueryInterface(&filter->source.pin.IPin_iface, iid, out);
}
static ULONG WINAPI acm_wrapper_source_qc_AddRef(IQualityControl *iface)
{
struct acm_wrapper *filter = impl_from_source_IQualityControl(iface);
return IPin_AddRef(&filter->source.pin.IPin_iface);
}
static ULONG WINAPI acm_wrapper_source_qc_Release(IQualityControl *iface)
{
struct acm_wrapper *filter = impl_from_source_IQualityControl(iface);
return IPin_Release(&filter->source.pin.IPin_iface);
}
static HRESULT WINAPI acm_wrapper_source_qc_Notify(IQualityControl *iface,
IBaseFilter *sender, Quality q)
{
struct acm_wrapper *filter = impl_from_source_IQualityControl(iface);
IQualityControl *peer;
HRESULT hr = S_OK;
TRACE("filter %p, sender %p, type %#x, proportion %u, late %s, timestamp %s.\n",
filter, sender, q.Type, q.Proportion, debugstr_time(q.Late), debugstr_time(q.TimeStamp));
if (filter->source_qc_sink)
return IQualityControl_Notify(filter->source_qc_sink, &filter->filter.IBaseFilter_iface, q);
if (filter->sink.pin.peer
&& SUCCEEDED(IPin_QueryInterface(filter->sink.pin.peer, &IID_IQualityControl, (void **)&peer)))
{
hr = IQualityControl_Notify(peer, &filter->filter.IBaseFilter_iface, q);
IQualityControl_Release(peer);
}
return hr;
}
static HRESULT WINAPI acm_wrapper_source_qc_SetSink(IQualityControl *iface, IQualityControl *sink)
{
struct acm_wrapper *filter = impl_from_source_IQualityControl(iface);
TRACE("filter %p, sink %p.\n", filter, sink);
filter->source_qc_sink = sink;
return S_OK;
}
static const IQualityControlVtbl source_qc_vtbl =
{
acm_wrapper_source_qc_QueryInterface,
acm_wrapper_source_qc_AddRef,
acm_wrapper_source_qc_Release,
acm_wrapper_source_qc_Notify,
acm_wrapper_source_qc_SetSink,
};
static struct strmbase_pin *acm_wrapper_get_pin(struct strmbase_filter *iface, unsigned int index)
{
struct acm_wrapper *filter = impl_from_strmbase_filter(iface);
if (index == 0)
return &filter->sink.pin;
else if (index == 1)
return &filter->source.pin;
return NULL;
}
static void acm_wrapper_destroy(struct strmbase_filter *iface)
{
struct acm_wrapper *filter = impl_from_strmbase_filter(iface);
if (filter->sink.pin.peer)
IPin_Disconnect(filter->sink.pin.peer);
IPin_Disconnect(&filter->sink.pin.IPin_iface);
if (filter->source.pin.peer)
IPin_Disconnect(filter->source.pin.peer);
IPin_Disconnect(&filter->source.pin.IPin_iface);
strmbase_sink_cleanup(&filter->sink);
strmbase_source_cleanup(&filter->source);
strmbase_passthrough_cleanup(&filter->passthrough);
filter->stream_cs.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&filter->stream_cs);
FreeMediaType(&filter->mt);
strmbase_filter_cleanup(&filter->filter);
free(filter);
InterlockedDecrement(&object_locks);
}
static HRESULT acm_wrapper_init_stream(struct strmbase_filter *iface)
{
struct acm_wrapper *filter = impl_from_strmbase_filter(iface);
BaseOutputPinImpl_Active(&filter->source);
return S_OK;
}
static HRESULT acm_wrapper_cleanup_stream(struct strmbase_filter *iface)
{
struct acm_wrapper *filter = impl_from_strmbase_filter(iface);
BaseOutputPinImpl_Inactive(&filter->source);
return S_OK;
}
static const struct strmbase_filter_ops filter_ops =
{
.filter_get_pin = acm_wrapper_get_pin,
.filter_destroy = acm_wrapper_destroy,
.filter_init_stream = acm_wrapper_init_stream,
.filter_cleanup_stream = acm_wrapper_cleanup_stream,
};
HRESULT acm_wrapper_create(IUnknown *outer, IUnknown **out)
{
struct acm_wrapper *object;
if (!(object = calloc(1, sizeof(*object))))
return E_OUTOFMEMORY;
strmbase_filter_init(&object->filter, outer, &CLSID_ACMWrapper, &filter_ops);
InitializeCriticalSection(&object->stream_cs);
object->stream_cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__": acm_wrapper.stream_cs");
strmbase_sink_init(&object->sink, &object->filter, L"In", &sink_ops, NULL);
strmbase_source_init(&object->source, &object->filter, L"Out", &source_ops);
object->source_IQualityControl_iface.lpVtbl = &source_qc_vtbl;
strmbase_passthrough_init(&object->passthrough, (IUnknown *)&object->source.pin.IPin_iface);
ISeekingPassThru_Init(&object->passthrough.ISeekingPassThru_iface, FALSE,
&object->sink.pin.IPin_iface);
object->lasttime_real = object->lasttime_sent = -1;
TRACE("Created ACM wrapper %p.\n", object);
*out = &object->filter.IUnknown_inner;
return S_OK;
}