/**
* It returns the format (closest to chroma) that can be converted to target */
static const d3d_format_t *Direct3DFindFormat(vout_display_t *vd, vlc_fourcc_t chroma, D3DFORMAT target)
{
vout_display_sys_t *sys = vd->sys;
for (unsigned pass = 0; pass < 2; pass++) {
const vlc_fourcc_t *list;
if (pass == 0 && sys->allow_hw_yuv && vlc_fourcc_IsYUV(chroma))
list = vlc_fourcc_GetYUVFallback(chroma);
else if (pass == 1)
list = vlc_fourcc_GetRGBFallback(chroma);
else
continue;
for (unsigned i = 0; list[i] != 0; i++) {
for (unsigned j = 0; d3d_formats[j].name; j++) {
const d3d_format_t *format = &d3d_formats[j];
if (format->fourcc != list[i])
continue;
msg_Warn(vd, "trying surface pixel format: %s",
format->name);
if (!Direct3DCheckConversion(vd, format->format, target)) {
msg_Dbg(vd, "selected surface pixel format is %s",
format->name);
return format;
}
}
}
}
return NULL;
}
/*****************************************************************************
* OpenDisplay: open and initialize KVA device
*****************************************************************************
* Open and initialize display according to preferences specified in the vout
* thread fields.
*****************************************************************************/
static int OpenDisplay( vout_display_t *vd, video_format_t *fmt )
{
vout_display_sys_t * sys = vd->sys;
const vlc_fourcc_t *fallback;
bool b_hw_accel = 0;
FOURCC i_kva_fourcc;
int i_chroma_shift;
char sz_title[ 256 ];
RECTL rcl;
int w, h;
msg_Dbg( vd, "render chroma = %4.4s", ( const char * )&fmt->i_chroma );
for( int pass = 0; pass < 2 && !b_hw_accel; pass++ )
{
fallback = ( pass == 0 ) ? vlc_fourcc_GetYUVFallback( fmt->i_chroma ) :
vlc_fourcc_GetRGBFallback( fmt->i_chroma );
for( int i = 0; fallback[ i ]; i++ )
{
switch( fallback[ i ])
{
case VLC_CODEC_YV12:
b_hw_accel = sys->kvac.ulInputFormatFlags & KVAF_YV12;
i_kva_fourcc = FOURCC_YV12;
i_chroma_shift = 1;
break;
case VLC_CODEC_YUYV:
b_hw_accel = sys->kvac.ulInputFormatFlags & KVAF_YUY2;
i_kva_fourcc = FOURCC_Y422;
i_chroma_shift = 0;
break;
case VLC_CODEC_YV9:
b_hw_accel = sys->kvac.ulInputFormatFlags & KVAF_YVU9;
i_kva_fourcc = FOURCC_YVU9;
i_chroma_shift = 2;
break;
case VLC_CODEC_RGB32:
b_hw_accel = sys->kvac.ulInputFormatFlags & KVAF_BGR32;
i_kva_fourcc = FOURCC_BGR4;
i_chroma_shift = 0;
break;
case VLC_CODEC_RGB24:
b_hw_accel = sys->kvac.ulInputFormatFlags & KVAF_BGR24;
i_kva_fourcc = FOURCC_BGR3;
i_chroma_shift = 0;
break;
case VLC_CODEC_RGB16:
b_hw_accel = sys->kvac.ulInputFormatFlags & KVAF_BGR16;
i_kva_fourcc = FOURCC_R565;
i_chroma_shift = 0;
break;
case VLC_CODEC_RGB15:
b_hw_accel = sys->kvac.ulInputFormatFlags & KVAF_BGR15;
i_kva_fourcc = FOURCC_R555;
i_chroma_shift = 0;
break;
}
if( b_hw_accel )
{
fmt->i_chroma = fallback[ i ];
break;
}
}
}
if( !b_hw_accel )
{
msg_Err( vd, "Ooops. There is no fourcc supported by KVA at all.");
return VLC_EGENERIC;
}
/* Set the RGB masks */
fmt->i_rmask = sys->kvac.ulRMask;
fmt->i_gmask = sys->kvac.ulGMask;
fmt->i_bmask = sys->kvac.ulBMask;
msg_Dbg( vd, "output chroma = %4.4s", ( const char * )&fmt->i_chroma );
msg_Dbg( vd, "KVA chroma = %4.4s", ( const char * )&i_kva_fourcc );
w = vd->source.i_width;
h = vd->source.i_height;
sys->kvas.ulLength = sizeof( KVASETUP );
sys->kvas.szlSrcSize.cx = w;
sys->kvas.szlSrcSize.cy = h;
sys->kvas.rclSrcRect.xLeft = 0;
sys->kvas.rclSrcRect.yTop = 0;
sys->kvas.rclSrcRect.xRight = w;
sys->kvas.rclSrcRect.yBottom = h;
sys->kvas.ulRatio = KVAR_FORCEANY;
sys->kvas.ulAspectWidth = w;
sys->kvas.ulAspectHeight = h;
sys->kvas.fccSrcColor = i_kva_fourcc;
sys->kvas.fDither = TRUE;
if( kvaSetup( &sys->kvas ))
{
msg_Err( vd, "cannot set up KVA");
return VLC_EGENERIC;
}
/* Create the associated picture */
picture_resource_t *rsc = &sys->resource;
rsc->p_sys = malloc( sizeof( *rsc->p_sys ));
if( !rsc->p_sys )
return VLC_EGENERIC;
rsc->p_sys->i_chroma_shift = i_chroma_shift;
for( int i = 0; i < PICTURE_PLANE_MAX; i++ )
{
rsc->p[ i ].p_pixels = NULL;
rsc->p[ i ].i_pitch = 0;
rsc->p[ i ].i_lines = 0;
}
picture_t *picture = picture_NewFromResource( fmt, rsc );
if( !picture )
goto exit_picture;
/* Wrap it into a picture pool */
picture_pool_configuration_t pool_cfg;
memset( &pool_cfg, 0, sizeof( pool_cfg ));
pool_cfg.picture_count = 1;
pool_cfg.picture = &picture;
pool_cfg.lock = KVALock;
pool_cfg.unlock = KVAUnlock;
sys->pool = picture_pool_NewExtended( &pool_cfg );
if( !sys->pool )
{
picture_Release( picture );
goto exit_picture;
}
if (vd->cfg->display.title)
snprintf( sz_title, sizeof( sz_title ), "%s", vd->cfg->display.title );
else
snprintf( sz_title, sizeof( sz_title ),
"%s (%4.4s to %4.4s - %s mode KVA output)",
VOUT_TITLE,
( char * )&vd->fmt.i_chroma,
( char * )&sys->kvas.fccSrcColor,
psz_video_mode[ sys->kvac.ulMode - 1 ]);
WinSetWindowText( sys->frame, sz_title );
sys->i_screen_width = WinQuerySysValue( HWND_DESKTOP, SV_CXSCREEN );
sys->i_screen_height = WinQuerySysValue( HWND_DESKTOP, SV_CYSCREEN );
if( sys->parent_window )
WinQueryWindowRect( sys->parent, &sys->client_rect );
else
{
sys->client_rect.xLeft = ( sys->i_screen_width - w ) / 2;
sys->client_rect.yBottom = ( sys->i_screen_height - h ) / 2 ;
sys->client_rect.xRight = sys->client_rect.xLeft + w;
sys->client_rect.yTop = sys->client_rect.yBottom + h;
}
rcl = sys->client_rect;
WinCalcFrameRect( sys->frame, &rcl, FALSE);
WinSetWindowPos( sys->frame, HWND_TOP,
rcl.xLeft, rcl.yBottom,
rcl.xRight - rcl.xLeft, rcl.yTop - rcl.yBottom,
SWP_MOVE | SWP_SIZE | SWP_ZORDER | SWP_SHOW |
SWP_ACTIVATE );
return VLC_SUCCESS;
exit_picture:
free( rsc->p_sys );
return VLC_EGENERIC;
}
