?? videorendereroverlay.cpp
字號:
/**************************************************************************************
* *
* *
**************************************************************************************/
#include "VideoRendererOverlay.h"
DDPIXELFORMAT ddpfOverlayFormats[] =
{
{sizeof(DDPIXELFORMAT), DDPF_FOURCC,MAKEFOURCC('Y','U','Y','2'),0,0,0,0,0}, // YUY2
{sizeof(DDPIXELFORMAT), DDPF_FOURCC,MAKEFOURCC('U','Y','V','Y'),0,0,0,0,0}, // UYVY
};
media_video_mode_t videoModes[] =
{
VIDEO_MODE_YUY2,
VIDEO_MODE_UYVY,
};
MediaVideoRendererOverlay::MediaVideoRendererOverlay()
{
this->subtitler = NULL;
this->lpdd = NULL;
this->lpddsPrimary = NULL;
this->lpddsOverlay = NULL;
this->videoMode = VIDEO_MODE_NONE;
}
MediaVideoRendererOverlay::~MediaVideoRendererOverlay()
{
}
media_type_t MediaVideoRendererOverlay::GetType()
{
return MEDIA_TYPE_VIDEO_RENDERER;
}
char *MediaVideoRendererOverlay::GetName()
{
return "Overlay Video Renderer";
}
MP_RESULT MediaVideoRendererOverlay::Connect(MediaItem *item)
{
if(item && item->GetType() == MEDIA_TYPE_SUBTITLER) {
this->subtitler = (MediaItemSubtitler *) item;
return MP_RESULT_OK;
}
return MP_RESULT_ERROR;
}
MP_RESULT MediaVideoRendererOverlay::ReleaseConnections()
{
this->subtitler = NULL;
return MP_RESULT_OK;
}
DWORD MediaVideoRendererOverlay::GetCaps()
{
return 0;
}
MP_RESULT MediaVideoRendererOverlay::Configure(HINSTANCE hInstance, HWND hwnd)
{
return MP_RESULT_ERROR;
}
BOOL MediaVideoRendererOverlay::AreOverlaysSupported()
{
DDCAPS capsDrv;
HRESULT ddrval;
ZeroMemory(&capsDrv, sizeof(capsDrv));
capsDrv.dwSize = sizeof(capsDrv);
ddrval = this->lpdd->GetCaps(&capsDrv, NULL);
if (FAILED(ddrval))
return FALSE;
if (!(capsDrv.dwCaps & DDCAPS_OVERLAY))
return FALSE;
return TRUE;
}
MP_RESULT MediaVideoRendererOverlay::Init(HWND hwnd, unsigned int width, unsigned int height)
{
if(hwnd && width > 0 && height > 0) {
HRESULT ddrval;
DDSURFACEDESC2 ddsd;
DDSURFACEDESC2 ddsdOverlay;
DWORD i;
this->invertFlag = FALSE;
ddrval = DirectDrawCreateEx(NULL, (VOID**)&this->lpdd, IID_IDirectDraw7, NULL);
if( FAILED(ddrval))
return MP_RESULT_ERROR;
/*
* 檢查是否支持疊加
*/
if(!this->AreOverlaysSupported()) {
this->lpdd->Release();
this->lpdd=NULL;
return MP_RESULT_ERROR;
}
ddrval = this->lpdd->SetCooperativeLevel(NULL, DDSCL_NORMAL);
if( FAILED(ddrval)) {
this->lpdd->Release();
this->lpdd=NULL;
return MP_RESULT_ERROR;
}
ZeroMemory(&ddsd, sizeof(DDSURFACEDESC2));
ddsd.dwSize = sizeof(DDSURFACEDESC2);
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
ddrval = this->lpdd->CreateSurface(&ddsd, &this->lpddsPrimary, NULL );
if(FAILED(ddrval)) {
this->lpdd->Release();
this->lpdd=NULL;
return MP_RESULT_ERROR;
}
ddrval = this->lpdd->CreateClipper(0, &this->lpddClipper, NULL);
if(FAILED(ddrval)) {
return MP_RESULT_ERROR;
}
ddrval = this->lpddClipper->SetHWnd(0, hwnd);
if(FAILED(ddrval)) {
return MP_RESULT_ERROR;
}
ddrval = this->lpddsPrimary->SetClipper(this->lpddClipper);
ZeroMemory(&ddsdOverlay, sizeof(DDSURFACEDESC2));
ddsdOverlay.dwSize = sizeof(DDSURFACEDESC2);
ddsdOverlay.ddsCaps.dwCaps = DDSCAPS_OVERLAY | DDSCAPS_VIDEOMEMORY;
ddsdOverlay.dwFlags= DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT;
ddsdOverlay.dwWidth = width;
ddsdOverlay.dwHeight = height;
i = 0;
do {
ddsdOverlay.ddpfPixelFormat = ddpfOverlayFormats[i];
this->videoMode = videoModes[i];
ddrval = this->lpdd->CreateSurface(&ddsdOverlay, &this->lpddsOverlay, NULL);
} while( FAILED(ddrval) && (++i < 2) );
if(FAILED(ddrval)) {
ZeroMemory(&ddsdOverlay, sizeof(DDSURFACEDESC2));
ddsdOverlay.dwSize = sizeof(DDSURFACEDESC2);
ddsdOverlay.dwWidth = width;
ddsdOverlay.dwHeight = height;
ddsdOverlay.dwBackBufferCount = 0;
ddsdOverlay.ddsCaps.dwCaps = DDSCAPS_OVERLAY | DDSCAPS_VIDEOMEMORY;
ddsdOverlay.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT;
i = 0;
do {
ddsdOverlay.ddpfPixelFormat = ddpfOverlayFormats[i];
this->videoMode = videoModes[i];
ddrval = this->lpdd->CreateSurface(&ddsdOverlay, &this->lpddsOverlay, NULL);
} while( FAILED(ddrval) && (++i < 2) );
if (FAILED(ddrval)) {
this->lpddsPrimary->Release();
this->lpddsPrimary = NULL;
this->lpdd->Release();
this->lpdd=NULL;
this->videoMode = VIDEO_MODE_NONE;
return MP_RESULT_ERROR;
}
}
if(FAILED(ddrval)) {
return MP_RESULT_ERROR;
}
this->width = width;
this->height = height;
this->bpp = 16;
ZeroMemory(&ddsd, sizeof(DDSURFACEDESC2));
ddsd.dwSize = sizeof(DDSURFACEDESC2);
ddrval = this->lpddsPrimary->Lock(NULL, &ddsd, DDLOCK_SURFACEMEMORYPTR | DDLOCK_WRITEONLY | DDLOCK_WAIT, NULL);
if(FAILED(ddrval)) {
return MP_RESULT_ERROR;
}
this->lpddsPrimary->Unlock(NULL);
switch(ddsd.ddpfPixelFormat.dwRGBBitCount) {
case 8:
return MP_RESULT_ERROR;
break;
case 16:
this->physicalDepth = 16;
break;
case 24:
this->physicalDepth = 24;
break;
case 32:
this->physicalDepth = 32;
break;
}
ddrval = this->lpdd->GetDisplayMode(&ddsd);
this->fullscreenWidth = ddsd.dwWidth;
this->fullscreenHeight = ddsd.dwHeight;
this->hwndPlayback = hwnd;
return MP_RESULT_OK;
}
return MP_RESULT_ERROR;
}
MP_RESULT MediaVideoRendererOverlay::InitFullscreen(HWND hwnd, unsigned int width, unsigned int height)
{
if(hwnd && width > 0 && height > 0) {
HRESULT ddrval;
DDSURFACEDESC2 ddsd;
DDSURFACEDESC2 ddsdOverlay;
DWORD i;
this->invertFlag = FALSE;
ddrval = DirectDrawCreateEx(NULL, (VOID**)&this->lpdd, IID_IDirectDraw7, NULL);
if( FAILED(ddrval))
return MP_RESULT_ERROR;
if(!this->AreOverlaysSupported()) {
this->lpdd->Release();
this->lpdd=NULL;
return MP_RESULT_ERROR;
}
ddrval = this->lpdd->SetCooperativeLevel(hwnd, DDSCL_NORMAL);
if( FAILED(ddrval)) {
this->lpdd->Release();
this->lpdd = NULL;
return MP_RESULT_ERROR;
}
DDSURFACEDESC2 ddDesc;
memset(&ddDesc, 0, sizeof(DDSURFACEDESC2));
ddDesc.dwSize = sizeof(DDSURFACEDESC2);
ddrval = this->lpdd->GetDisplayMode(&ddDesc);
if(FAILED(ddrval)) {
this->lpdd->Release();
this->lpdd=NULL;
return MP_RESULT_ERROR;;
}
this->fullscreenWidth = ddDesc.dwWidth;
this->fullscreenHeight = ddDesc.dwHeight;
ZeroMemory(&ddsd, sizeof(DDSURFACEDESC2));
ddsd.dwSize = sizeof(DDSURFACEDESC2);
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
ddrval = this->lpdd->CreateSurface(&ddsd, &this->lpddsPrimary, NULL );
if(FAILED(ddrval)) {
this->lpdd->Release();
this->lpdd=NULL;
return MP_RESULT_ERROR;
}
ZeroMemory(&ddsdOverlay, sizeof(DDSURFACEDESC2));
ddsdOverlay.dwSize = sizeof(DDSURFACEDESC2);
ddsdOverlay.ddsCaps.dwCaps = DDSCAPS_OVERLAY | DDSCAPS_VIDEOMEMORY;
ddsdOverlay.dwFlags= DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT;
ddsdOverlay.dwWidth = width;
ddsdOverlay.dwHeight = height;
i = 0;
do {
ddsdOverlay.ddpfPixelFormat = ddpfOverlayFormats[i];
this->videoMode = videoModes[i];
ddrval = this->lpdd->CreateSurface(&ddsdOverlay, &this->lpddsOverlay, NULL);
} while( FAILED(ddrval) && (++i < 2) );
if(FAILED(ddrval)) {
ZeroMemory(&ddsdOverlay, sizeof(DDSURFACEDESC2));
ddsdOverlay.dwSize = sizeof(DDSURFACEDESC2);
ddsdOverlay.dwWidth = width;
ddsdOverlay.dwHeight = height;
ddsdOverlay.dwBackBufferCount = 0;
ddsdOverlay.ddsCaps.dwCaps = DDSCAPS_OVERLAY | DDSCAPS_VIDEOMEMORY;
ddsdOverlay.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT;
i = 0;
do {
ddsdOverlay.ddpfPixelFormat = ddpfOverlayFormats[i];
this->videoMode = videoModes[i];
ddrval = this->lpdd->CreateSurface(&ddsdOverlay, &this->lpddsOverlay, NULL);
} while( FAILED(ddrval) && (++i < 2) );
if (FAILED(ddrval)) {
this->lpddsPrimary->Release();
this->lpddsPrimary = NULL;
this->lpdd->Release();
this->lpdd=NULL;
this->videoMode = VIDEO_MODE_NONE;
return MP_RESULT_ERROR;
}
}
if(FAILED(ddrval)) {
return MP_RESULT_ERROR;
}
this->width = width;
this->height = height;
this->bpp = 16;
this->hwndPlayback = hwnd;
return MP_RESULT_OK;
}
return MP_RESULT_ERROR;
}
MP_RESULT MediaVideoRendererOverlay::Stop()
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