Sweden-Number/dlls/quartz/avidec.c

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/*
* AVI Decompressor (VFW decompressors wrapper)
*
* Copyright 2004-2005 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 "config.h"
#include "quartz_private.h"
#include "pin.h"
#include "uuids.h"
#include "amvideo.h"
#include "windef.h"
#include "winbase.h"
#include "dshow.h"
#include "strmif.h"
#include "vfwmsgs.h"
#include "vfw.h"
#include <assert.h>
#include "wine/unicode.h"
#include "wine/debug.h"
#include "transform.h"
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
static HRESULT AVIDec_Cleanup(TransformFilterImpl* pTransformFilter);
typedef struct AVIDecImpl
{
TransformFilterImpl tf;
HIC hvid;
BITMAPINFOHEADER* pBihIn;
BITMAPINFOHEADER* pBihOut;
} AVIDecImpl;
static HRESULT AVIDec_ProcessBegin(TransformFilterImpl* pTransformFilter)
{
AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
DWORD result;
TRACE("(%p)->()\n", This);
result = ICDecompressBegin(This->hvid, This->pBihIn, This->pBihOut);
if (result != ICERR_OK)
{
ERR("Cannot start processing (%d)\n", result);
return E_FAIL;
}
return S_OK;
}
static HRESULT AVIDec_ProcessSampleData(TransformFilterImpl* pTransformFilter, IMediaSample *pSample)
{
AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
VIDEOINFOHEADER* format;
AM_MEDIA_TYPE amt;
HRESULT hr;
DWORD res;
IMediaSample* pOutSample = NULL;
DWORD cbDstStream;
LPBYTE pbDstStream;
DWORD cbSrcStream;
LPBYTE pbSrcStream;
hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
if (FAILED(hr))
{
ERR("Cannot get pointer to sample data (%x)\n", hr);
return hr;
}
cbSrcStream = IMediaSample_GetActualDataLength(pSample);
TRACE("Sample data ptr = %p, size = %ld\n", pbSrcStream, (long)cbSrcStream);
hr = IPin_ConnectionMediaType(This->tf.ppPins[0], &amt);
if (FAILED(hr)) {
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ERR("Unable to retrieve media type\n");
goto error;
}
format = (VIDEOINFOHEADER*)amt.pbFormat;
/* Update input size to match sample size */
This->pBihIn->biSizeImage = cbSrcStream;
hr = OutputPin_GetDeliveryBuffer((OutputPin*)This->tf.ppPins[1], &pOutSample, NULL, NULL, 0);
if (FAILED(hr)) {
ERR("Unable to get delivery buffer (%x)\n", hr);
goto error;
}
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);
if (cbDstStream < This->pBihOut->biSizeImage) {
ERR("Sample size is too small %d < %d\n", cbDstStream, This->pBihOut->biSizeImage);
hr = E_FAIL;
goto error;
}
res = ICDecompress(This->hvid, 0, This->pBihIn, pbSrcStream, This->pBihOut, pbDstStream);
if (res != ICERR_OK)
ERR("Error occurred during the decompression (%x)\n", res);
hr = OutputPin_SendSample((OutputPin*)This->tf.ppPins[1], pOutSample);
if (hr != S_OK && hr != VFW_E_NOT_CONNECTED) {
ERR("Error sending sample (%x)\n", hr);
goto error;
}
error:
if (pOutSample)
IMediaSample_Release(pOutSample);
return hr;
}
static HRESULT AVIDec_ProcessEnd(TransformFilterImpl* pTransformFilter)
{
AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
DWORD result;
TRACE("(%p)->()\n", This);
result = ICDecompressEnd(This->hvid);
if (result != ICERR_OK)
{
ERR("Cannot stop processing (%d)\n", result);
return E_FAIL;
}
return S_OK;
}
static HRESULT AVIDec_ConnectInput(TransformFilterImpl* pTransformFilter, const AM_MEDIA_TYPE * pmt)
{
AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
HRESULT hr = VFW_E_TYPE_NOT_ACCEPTED;
TRACE("(%p)->(%p)\n", This, pmt);
AVIDec_Cleanup(pTransformFilter);
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/* Check root (GUID w/o FOURCC) */
if ((IsEqualIID(&pmt->majortype, &MEDIATYPE_Video)) &&
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(!memcmp(((const char *)&pmt->subtype)+4, ((const char *)&MEDIATYPE_Video)+4, sizeof(GUID)-4)) &&
(IsEqualIID(&pmt->formattype, &FORMAT_VideoInfo)))
{
VIDEOINFOHEADER* format = (VIDEOINFOHEADER*)pmt->pbFormat;
This->hvid = ICLocate(pmt->majortype.Data1, pmt->subtype.Data1, &format->bmiHeader, NULL, ICMODE_DECOMPRESS);
if (This->hvid)
{
AM_MEDIA_TYPE* outpmt = &((OutputPin*)This->tf.ppPins[1])->pin.mtCurrent;
const CLSID* outsubtype;
DWORD bih_size;
DWORD output_depth = format->bmiHeader.biBitCount;
DWORD result;
switch(format->bmiHeader.biBitCount)
{
case 32: outsubtype = &MEDIASUBTYPE_RGB32; break;
case 24: outsubtype = &MEDIASUBTYPE_RGB24; break;
case 16: outsubtype = &MEDIASUBTYPE_RGB565; break;
case 8: outsubtype = &MEDIASUBTYPE_RGB8; break;
default:
TRACE("Non standard input depth %d, forced ouptut depth to 32\n", format->bmiHeader.biBitCount);
outsubtype = &MEDIASUBTYPE_RGB32;
output_depth = 32;
break;
}
/* Copy bitmap header from media type to 1 for input and 1 for output */
bih_size = format->bmiHeader.biSize + format->bmiHeader.biClrUsed * 4;
This->pBihIn = CoTaskMemAlloc(bih_size);
if (!This->pBihIn)
{
hr = E_OUTOFMEMORY;
goto failed;
}
This->pBihOut = CoTaskMemAlloc(bih_size);
if (!This->pBihOut)
{
hr = E_OUTOFMEMORY;
goto failed;
}
memcpy(This->pBihIn, &format->bmiHeader, bih_size);
memcpy(This->pBihOut, &format->bmiHeader, bih_size);
/* Update output format as non compressed bitmap */
This->pBihOut->biCompression = 0;
This->pBihOut->biBitCount = output_depth;
This->pBihOut->biSizeImage = This->pBihOut->biWidth * This->pBihOut->biHeight * This->pBihOut->biBitCount / 8;
result = ICDecompressQuery(This->hvid, This->pBihIn, This->pBihOut);
if (result != ICERR_OK)
{
TRACE("Unable to found a suitable output format (%d)\n", result);
goto failed;
}
/* Update output media type */
CopyMediaType(outpmt, pmt);
outpmt->subtype = *outsubtype;
memcpy(&(((VIDEOINFOHEADER*)outpmt->pbFormat)->bmiHeader), This->pBihOut, This->pBihOut->biSize);
/* Update buffer size of media samples in output */
((OutputPin*)This->tf.ppPins[1])->allocProps.cbBuffer = This->pBihOut->biSizeImage;
TRACE("Connection accepted\n");
return S_OK;
}
TRACE("Unable to find a suitable VFW decompressor\n");
}
failed:
AVIDec_Cleanup(pTransformFilter);
TRACE("Connection refused\n");
return hr;
}
static HRESULT AVIDec_Cleanup(TransformFilterImpl* pTransformFilter)
{
AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
TRACE("(%p)->()\n", This);
if (This->hvid)
ICClose(This->hvid);
if (This->pBihIn)
CoTaskMemFree(This->pBihIn);
if (This->pBihOut)
CoTaskMemFree(This->pBihOut);
This->hvid = NULL;
This->pBihIn = NULL;
This->pBihOut = NULL;
return S_OK;
}
static const TransformFuncsTable AVIDec_FuncsTable = {
AVIDec_ProcessBegin,
AVIDec_ProcessSampleData,
AVIDec_ProcessEnd,
NULL,
AVIDec_ConnectInput,
AVIDec_Cleanup
};
HRESULT AVIDec_create(IUnknown * pUnkOuter, LPVOID * ppv)
{
HRESULT hr;
AVIDecImpl * This;
TRACE("(%p, %p)\n", pUnkOuter, ppv);
*ppv = NULL;
if (pUnkOuter)
return CLASS_E_NOAGGREGATION;
/* Note: This memory is managed by the transform filter once created */
This = CoTaskMemAlloc(sizeof(AVIDecImpl));
This->hvid = NULL;
This->pBihIn = NULL;
This->pBihOut = NULL;
hr = TransformFilter_Create(&(This->tf), &CLSID_AVIDec, &AVIDec_FuncsTable);
if (FAILED(hr))
return hr;
*ppv = (LPVOID)This;
return hr;
}