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mpv/loader/dshow/DS_VideoDec.c

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/********************************************************
DirectShow Video decoder implementation
Copyright 2000 Eugene Kuznetsov (divx@euro.ru)
Converted C++ --> C :) by A'rpi/ESP-team
*********************************************************/
//#include <config.h>
//#include "DS_VideoDecoder.h"
#include <string.h>
#include <stdlib.h>
#include <except.h>
#define __MODULE__ "DirectShow_VideoDecoder"
#include <errno.h>
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
//#include <loader.h>
//#include <wine/winbase.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <strstream>
#include <dlfcn.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <registry.h>
#include <wine/winreg.h>
#include "guids.h"
#include "interfaces.h"
#include "DS_Filter.h"
#include "BitmapInfo.h"
#include <string>
#include <default.h>
#include "DS_VideoDec.h"
using namespace std;
extern "C" char* def_path;
static char** m_destptr=0;
static DS_Filter* dsf=0;
static AM_MEDIA_TYPE m_sOurType, m_sDestType;
static VIDEOINFOHEADER m_sVhdr;
static VIDEOINFOHEADER *m_sVhdr2;
static void* m_pCust;
static BITMAPINFOHEADER m_bh;//format of input data
static BitmapInfo m_decoder;//format of decoder output
static BitmapInfo m_obh; //format of returned frames
// CImage* m_outFrame;
// int m_iState=0;
extern "C" int DS_VideoDecoder_Open(char* dllname, GUID* guid, BITMAPINFOHEADER* format, int flip,char** d_ptr)
// :IVideoDecoder(info), m_sVhdr2(0)
{
m_destptr=d_ptr;
//m_outFrame=0;
//decpos = 0;
//playpos = 0;
//realtime = 0;
try
{
m_bh=*format;
memset(&m_obh, 0, sizeof(m_obh));
m_obh.biSize=sizeof(m_obh);
memset(&m_sVhdr, 0, sizeof(m_sVhdr));
m_sVhdr.bmiHeader=m_bh;
m_sVhdr.rcSource.left=m_sVhdr.rcSource.top=0;
m_sVhdr.rcSource.right=m_sVhdr.bmiHeader.biWidth;
m_sVhdr.rcSource.bottom=m_sVhdr.bmiHeader.biHeight;
m_sVhdr.rcTarget=m_sVhdr.rcSource;
m_sOurType.majortype=MEDIATYPE_Video;
m_sOurType.subtype=MEDIATYPE_Video;
m_sOurType.subtype.f1=m_sVhdr.bmiHeader.biCompression;
m_sOurType.formattype=FORMAT_VideoInfo;
m_sOurType.bFixedSizeSamples=false;
m_sOurType.bTemporalCompression=true;
m_sOurType.pUnk=0;
m_sOurType.cbFormat=sizeof(m_sVhdr);
m_sOurType.pbFormat=(char*)&m_sVhdr;
m_sVhdr2=(VIDEOINFOHEADER*)(new char[sizeof(VIDEOINFOHEADER)+12]);
*m_sVhdr2=m_sVhdr;
m_sVhdr2->bmiHeader.biCompression=0;
m_sVhdr2->bmiHeader.biBitCount=24;
memset(&m_sDestType, 0, sizeof(m_sDestType));
m_sDestType.majortype=MEDIATYPE_Video;
m_sDestType.subtype=MEDIASUBTYPE_RGB24;
m_sDestType.formattype=FORMAT_VideoInfo;
m_sDestType.bFixedSizeSamples=true;
m_sDestType.bTemporalCompression=false;
m_sDestType.lSampleSize=abs(m_sVhdr2->bmiHeader.biWidth*m_sVhdr2->bmiHeader.biHeight*
((m_sVhdr2->bmiHeader.biBitCount+7)/8));
m_sVhdr2->bmiHeader.biSizeImage=m_sDestType.lSampleSize;
m_sDestType.pUnk=0;
m_sDestType.cbFormat=sizeof(VIDEOINFOHEADER);
m_sDestType.pbFormat=(char*)m_sVhdr2;
m_obh=m_bh;
m_obh.setBits(24);
HRESULT result;
dsf=new DS_Filter();
dsf->Create(dllname, guid, &m_sOurType, &m_sDestType);
if(!flip)
{
m_sVhdr2->bmiHeader.biHeight*=-1;
m_obh.biHeight*=-1;
result=dsf->m_pOutputPin->vt->QueryAccept(dsf->m_pOutputPin, &m_sDestType);
if(result){
printf("DShow: Decoder does not support upside-down frames");
m_obh.biHeight*=-1;
}
}
#if 0
m_sVhdr2->bmiHeader.biBitCount=16;
m_sVhdr2->bmiHeader.biCompression=fccYUY2;
m_sDestType.subtype=MEDIASUBTYPE_YUY2;
result=dsf->m_pOutputPin->vt->QueryAccept(dsf->m_pOutputPin, &m_sDestType);
// if(!result) caps=(CAPS)(caps | CAP_YUY2);
#endif
m_sVhdr2->bmiHeader.biBitCount=24;
m_sVhdr2->bmiHeader.biCompression=0;
m_sDestType.subtype=MEDIASUBTYPE_RGB24;
m_decoder=m_obh;
//qual = 0-1;
}
catch(FatalError& error)
{
delete[] m_sVhdr2;
return 1;
}
return 0;
}
extern "C" void DS_VideoDecoder_Start(){
if(dsf->m_iState!=1) return;
dsf->Start();
ALLOCATOR_PROPERTIES props, props1;
props.cBuffers=1;
props.cbBuffer=1024*1024; //m_sDestType.lSampleSize;//don't know how to do this correctly
props.cbAlign=props.cbPrefix=0;
dsf->m_pAll->vt->SetProperties(dsf->m_pAll, &props, &props1);
dsf->m_pAll->vt->Commit(dsf->m_pAll);
// m_outFrame=new CImage(&m_decoder,(unsigned char *)malloc(m_sDestType.lSampleSize),false);
//m_outFrame=new CImage(&m_decoder, 0, false);
// printf("Datap %x\n",m_outFrame->getaddr());
// dsf->m_pOurOutput->SetFramePointer((char **)m_outFrame->getaddr()); //!FIXME!
dsf->m_pOurOutput->SetFramePointer(m_destptr); //!FIXME!
// filling = realtime;
dsf->m_iState=2;
return;
}
extern "C" void DS_VideoDecoder_Stop(){
if(dsf->m_iState!=2) return;
dsf->Stop();
// dsf->m_pOurOutput->SetFramePointer(0);
// free(m_outFrame->data());
//m_outFrame->release();//just in case
//m_outFrame=0;
// FlushCache();
dsf->m_iState=1;
return;
}
extern "C" void DS_VideoDecoder_Restart(){
if(dsf->m_iState!=2) return;
dsf->Stop();
dsf->Start();
ALLOCATOR_PROPERTIES props, props1;
props.cBuffers=1;
props.cbBuffer=m_sDestType.lSampleSize;//don't know how to do this correctly
props.cbAlign=props.cbPrefix=0;
dsf->m_pAll->vt->SetProperties(dsf->m_pAll, &props, &props1);
dsf->m_pAll->vt->Commit(dsf->m_pAll);
}
extern "C" void DS_VideoDecoder_Close(){
if(dsf->m_iState==0) return;
if(dsf->m_iState==2) DS_VideoDecoder_Stop();
delete[] m_sVhdr2;
// delete m_outFrame;
}
extern "C" int DS_VideoDecoder_DecodeFrame(char* src, int size, int is_keyframe, int render){
if(!size)return 0;
m_bh.biSizeImage=size;
IMediaSample* sample=0;
//printf("GetBuffer... (m_pAll=%X) ",dsf->m_pAll);fflush(stdout);
dsf->m_pAll->vt->GetBuffer(dsf->m_pAll, &sample, 0, 0, 0);
//printf("OK!\n");
if(!sample)
{
Debug cerr<<"ERROR: null sample"<<endl;
return -1;
}
char* ptr;
//printf("GetPtr...");fflush(stdout);
sample->vt->GetPointer(sample, (BYTE **)&ptr);
//printf("OK!\n");
memcpy(ptr, src, size);
//printf("memcpy OK!\n");
sample->vt->SetActualDataLength(sample, size);
//printf("SetActualDataLength OK!\n");
sample->vt->SetSyncPoint(sample, is_keyframe);
//printf("SetSyncPoint OK!\n");
sample->vt->SetPreroll(sample, !render);
// sample->vt->SetMediaType(sample, &m_sOurType);
int result=dsf->m_pImp->vt->Receive(dsf->m_pImp, sample);
if(result)
printf("Error putting data into input pin %x\n", result);
sample->vt->Release((IUnknown*)sample);
return 0;
}
extern "C" int DS_VideoDecoder_SetDestFmt(int bits, int csp){
if(dsf->m_iState==0) return -1;
// if(!CImage::supported(csp, bits)) return -1;
HRESULT result;
// BitmapInfo temp=m_obh;
if(csp==0)
{
switch(bits)
{
case 15:
m_sDestType.subtype=MEDIASUBTYPE_RGB555;
break;
case 16:
m_sDestType.subtype=MEDIASUBTYPE_RGB565;
break;
case 24:
m_sDestType.subtype=MEDIASUBTYPE_RGB24;
break;
case 32:
m_sDestType.subtype=MEDIASUBTYPE_RGB32;
break;
default:
break;
}
m_obh.setBits(bits);
// .biSizeImage=abs(temp.biWidth*temp.biHeight*((temp.biBitCount+7)/8));
}
else
{
m_obh.setSpace(csp,bits);
switch(csp)
{
case fccYUY2:
m_sDestType.subtype=MEDIASUBTYPE_YUY2;
printf("DShow: using YUY2 colorspace\n");
break;
case fccYV12:
m_sDestType.subtype=MEDIASUBTYPE_YV12;
printf("DShow: using YV12 colorspace\n");
break;
case fccIYUV:
m_sDestType.subtype=MEDIASUBTYPE_IYUV;
printf("DShow: using IYUV colorspace\n");
break;
case fccUYVY:
m_sDestType.subtype=MEDIASUBTYPE_UYVY;
printf("DShow: using UYVY colorspace\n");
break;
case fccYVYU:
m_sDestType.subtype=MEDIASUBTYPE_YVYU;
printf("DShow: using YVYU colorspace\n");
break;
}
}
m_sDestType.lSampleSize=m_obh.biSizeImage;
memcpy(&(m_sVhdr2->bmiHeader), &m_obh, sizeof(m_obh));
m_sVhdr2->bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
if(m_sVhdr2->bmiHeader.biCompression==3)
m_sDestType.cbFormat=sizeof(VIDEOINFOHEADER)+12;
else
m_sDestType.cbFormat=sizeof(VIDEOINFOHEADER);
result=dsf->m_pOutputPin->vt->QueryAccept(dsf->m_pOutputPin, &m_sDestType);
if(result!=0)
{
if(csp)
cerr<<"Warning: unsupported color space"<<endl;
else
cerr<<"Warning: unsupported bit depth"<<endl;
m_sDestType.lSampleSize=m_decoder.biSizeImage;
memcpy(&(m_sVhdr2->bmiHeader), &m_decoder, sizeof(m_decoder));
m_sVhdr2->bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
if(m_sVhdr2->bmiHeader.biCompression==3)
m_sDestType.cbFormat=sizeof(VIDEOINFOHEADER)+12;
else
m_sDestType.cbFormat=sizeof(VIDEOINFOHEADER);
return 1;
}
m_decoder=m_obh;
// m_obh=temp;
// if(csp)
// m_obh.biBitCount=BitmapInfo::BitCount(csp);
m_bh.biBitCount=bits;
if(dsf->m_iState>0)
{
int old_state=dsf->m_iState;
if(dsf->m_iState==2) DS_VideoDecoder_Stop();
dsf->m_pInputPin->vt->Disconnect(dsf->m_pInputPin);
dsf->m_pOutputPin->vt->Disconnect(dsf->m_pOutputPin);
dsf->m_pOurOutput->SetNewFormat(m_sDestType);
result=dsf->m_pInputPin->vt->ReceiveConnection(dsf->m_pInputPin, dsf->m_pOurInput, &m_sOurType);
if(result)
{
cerr<<"Error reconnecting input pin "<<hex<<result<<dec<<endl;
return -1;
}
result=dsf->m_pOutputPin->vt->ReceiveConnection(dsf->m_pOutputPin,
dsf->m_pOurOutput, &m_sDestType);
if(result)
{
cerr<<"Error reconnecting output pin "<<hex<<result<<dec<<endl;
return -1;
}
if(old_state==2) DS_VideoDecoder_Start();
}
return 0;
}
extern "C" int DS_SetValue_DivX(char* name, int value){
int temp;
if(dsf->m_iState!=2) return VFW_E_NOT_RUNNING;
// brightness 87
// contrast 74
// hue 23
// saturation 20
// post process mode 0
// get1 0x01
// get2 10
// get3=set2 86
// get4=set3 73
// get5=set4 19
// get6=set5 23
printf("DivX setting: %s = %d\n",name,value);
IHidden* hidden=(IHidden*)((int)dsf->m_pFilter+0xb8);
if(strcmp(name, "Brightness")==0)
return hidden->vt->SetSmth2(hidden, value, 0);
if(strcmp(name, "Contrast")==0)
return hidden->vt->SetSmth3(hidden, value, 0);
if(strcmp(name, "Hue")==0)
return hidden->vt->SetSmth5(hidden, value, 0);
if(strcmp(name, "Saturation")==0)
return hidden->vt->SetSmth4(hidden, value, 0);
if(strcmp(name, "Quality")==0)
return hidden->vt->SetSmth(hidden, value, 0);
printf("Invalid setting!\n");
return -200;
}
extern "C" int DS_SetAttr_DivX(char* attribute, int value){
int result, status, newkey, count;
if(strcmp(attribute, "Quality")==0){
char* keyname="SOFTWARE\\Microsoft\\Scrunch";
result=RegCreateKeyExA(HKEY_CURRENT_USER, keyname, 0, 0, 0, 0, 0, &newkey, &status);
if(result!=0)
{
printf("VideoDecoder::SetExtAttr: registry failure\n");
return -1;
}
result=RegSetValueExA(newkey, "Current Post Process Mode", 0, REG_DWORD, &value, 4);
if(result!=0)
{
printf("VideoDecoder::SetExtAttr: error writing value\n");
return -1;
}
value=-1;
result=RegSetValueExA(newkey, "Force Post Process Mode", 0, REG_DWORD, &value, 4);
if(result!=0)
{
printf("VideoDecoder::SetExtAttr: error writing value\n");
return -1;
}
RegCloseKey(newkey);
return 0;
}
if(
(strcmp(attribute, "Saturation")==0) ||
(strcmp(attribute, "Hue")==0) ||
(strcmp(attribute, "Contrast")==0) ||
(strcmp(attribute, "Brightness")==0)
)
{
char* keyname="SOFTWARE\\Microsoft\\Scrunch\\Video";
result=RegCreateKeyExA(HKEY_CURRENT_USER, keyname, 0, 0, 0, 0, 0, &newkey, &status);
if(result!=0)
{
printf("VideoDecoder::SetExtAttr: registry failure\n");
return -1;
}
result=RegSetValueExA(newkey, attribute, 0, REG_DWORD, &value, 4);
if(result!=0)
{
printf("VideoDecoder::SetExtAttr: error writing value\n");
return -1;
}
RegCloseKey(newkey);
return 0;
}
printf("Unknown attribute!\n");
return -200;
}
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