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vlc/modules/gui/macosx/voutqt.m

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/*****************************************************************************
* vout.m: MacOS X video output module
*****************************************************************************
* Copyright (C) 2001-2007 the VideoLAN team
* $Id$
*
* Authors: Colin Delacroix <colin@zoy.org>
* Florian G. Pflug <fgp@phlo.org>
* Jon Lech Johansen <jon-vl@nanocrew.net>
* Derk-Jan Hartman <hartman at videolan dot org>
* Eric Petit <titer@m0k.org>
* Benjamin Pracht <bigben AT videolan DOT org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h> /* free() */
#include <string.h>
#include <assert.h>
#include <QuickTime/QuickTime.h>
#include <vlc_keys.h>
#include "intf.h"
#include "vout.h"
#define QT_MAX_DIRECTBUFFERS 10
#define VL_MAX_DISPLAYS 16
/*****************************************************************************
* VLCView interface
*****************************************************************************/
@interface VLCQTView : NSQuickDrawView <VLCVoutViewResetting>
{
vout_thread_t * p_vout;
}
+ (void)resetVout: (vout_thread_t *)p_vout;
- (id) initWithVout:(vout_thread_t *)p_vout;
@end
struct vout_sys_t
{
NSAutoreleasePool *o_pool;
VLCQTView * o_qtview;
VLCVoutView * o_vout_view;
vlc_bool_t b_saved_frame;
vlc_bool_t b_cpu_has_simd; /* does CPU supports Altivec, MMX, etc... */
NSRect s_frame;
CodecType i_codec;
CGrafPtr p_qdport;
ImageSequence i_seq;
MatrixRecordPtr p_matrix;
DecompressorComponent img_dc;
ImageDescriptionHandle h_img_descr;
/* video geometry in port */
int i_origx, i_origy;
int i_width, i_height;
/* Mozilla plugin-related variables */
vlc_bool_t b_embedded;
RgnHandle clip_mask;
};
struct picture_sys_t
{
void *p_data;
unsigned int i_size;
/* When using I420 output */
PlanarPixmapInfoYUV420 pixmap_i420;
};
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int InitVideo ( vout_thread_t * );
static void EndVideo ( vout_thread_t * );
static int ManageVideo ( vout_thread_t * );
static void DisplayVideo ( vout_thread_t *, picture_t * );
static int ControlVideo ( vout_thread_t *, int, va_list );
static int CoToggleFullscreen( vout_thread_t *p_vout );
static int DrawableRedraw( vlc_object_t *p_this, const char *psz_name,
vlc_value_t oval, vlc_value_t nval, void *param);
static void UpdateEmbeddedGeometry( vout_thread_t *p_vout );
static void QTScaleMatrix ( vout_thread_t * );
static int QTCreateSequence ( vout_thread_t * );
static void QTDestroySequence ( vout_thread_t * );
static int QTNewPicture ( vout_thread_t *, picture_t * );
static void QTFreePicture ( vout_thread_t *, picture_t * );
/*****************************************************************************
* OpenVideo: allocates MacOS X video thread output method
*****************************************************************************
* This function allocates and initializes a MacOS X vout method.
*****************************************************************************/
int E_(OpenVideoQT) ( vlc_object_t *p_this )
{
vout_thread_t * p_vout = (vout_thread_t *)p_this;
OSErr err;
vlc_value_t value_drawable;
p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
if( p_vout->p_sys == NULL )
{
msg_Err( p_vout, "out of memory" );
return( 1 );
}
memset( p_vout->p_sys, 0, sizeof( vout_sys_t ) );
p_vout->p_sys->o_pool = [[NSAutoreleasePool alloc] init];
p_vout->pf_init = InitVideo;
p_vout->pf_end = EndVideo;
p_vout->pf_manage = ManageVideo;
p_vout->pf_render = NULL;
p_vout->pf_display = DisplayVideo;
p_vout->pf_control = ControlVideo;
/* Are we embedded? If so, the drawable value will be a pointer to a
* CGrafPtr that we're expected to use */
var_Get( p_vout->p_libvlc, "drawable", &value_drawable );
if( value_drawable.i_int != 0 )
p_vout->p_sys->b_embedded = VLC_TRUE;
else
p_vout->p_sys->b_embedded = VLC_FALSE;
p_vout->p_sys->b_cpu_has_simd =
vlc_CPU() & (CPU_CAPABILITY_ALTIVEC|CPU_CAPABILITY_MMXEXT);
msg_Dbg( p_vout, "we do%s have SIMD enabled CPU", p_vout->p_sys->b_cpu_has_simd ? "" : "n't" );
/* Initialize QuickTime */
p_vout->p_sys->h_img_descr =
(ImageDescriptionHandle)NewHandleClear( sizeof(ImageDescription) );
p_vout->p_sys->p_matrix =
(MatrixRecordPtr)malloc( sizeof(MatrixRecord) );
if( ( err = EnterMovies() ) != noErr )
{
msg_Err( p_vout, "QT initialization failed: EnterMovies failed: %d", err );
free( p_vout->p_sys->p_matrix );
DisposeHandle( (Handle)p_vout->p_sys->h_img_descr );
free( p_vout->p_sys );
return VLC_EGENERIC;
}
/* Damn QT isn't thread safe. so keep a lock in the p_libvlc object */
vlc_mutex_lock( &p_vout->p_libvlc->quicktime_lock );
/* Can we find the right chroma ? */
if( p_vout->p_sys->b_cpu_has_simd )
{
err = FindCodec( kYUVSPixelFormat, bestSpeedCodec,
nil, &p_vout->p_sys->img_dc );
}
else
{
err = FindCodec( kYUV420CodecType, bestSpeedCodec,
nil, &p_vout->p_sys->img_dc );
}
vlc_mutex_unlock( &p_vout->p_libvlc->quicktime_lock );
if( err == noErr && p_vout->p_sys->img_dc != 0 )
{
if( p_vout->p_sys->b_cpu_has_simd )
{
p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
p_vout->p_sys->i_codec = kYUVSPixelFormat;
}
else
{
p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
p_vout->p_sys->i_codec = kYUV420CodecType;
}
}
else
{
msg_Err( p_vout, "QT doesn't support any appropriate chroma" );
}
if( p_vout->p_sys->img_dc == 0 )
{
free( p_vout->p_sys->p_matrix );
DisposeHandle( (Handle)p_vout->p_sys->h_img_descr );
free( p_vout->p_sys );
return VLC_EGENERIC;
}
if( p_vout->b_fullscreen || !p_vout->p_sys->b_embedded )
{
/* Spawn window */
#define o_qtview p_vout->p_sys->o_qtview
o_qtview = [[VLCQTView alloc] initWithVout: p_vout];
[o_qtview autorelease];
p_vout->p_sys->o_vout_view = [VLCVoutView getVoutView: p_vout
subView: o_qtview frame: nil];
if( !p_vout->p_sys->o_vout_view )
{
return VLC_EGENERIC;
}
[o_qtview lockFocus];
p_vout->p_sys->p_qdport = [o_qtview qdPort];
[o_qtview unlockFocus];
}
#undef o_qtview
return VLC_SUCCESS;
}
/*****************************************************************************
* CloseVideo: destroy video thread output method
*****************************************************************************/
void E_(CloseVideoQT) ( vlc_object_t *p_this )
{
NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
vout_thread_t * p_vout = (vout_thread_t *)p_this;
if( p_vout->b_fullscreen || !p_vout->p_sys->b_embedded )
[p_vout->p_sys->o_vout_view closeVout];
/* Clean Up Quicktime environment */
ExitMovies();
free( p_vout->p_sys->p_matrix );
DisposeHandle( (Handle)p_vout->p_sys->h_img_descr );
[o_pool release];
free( p_vout->p_sys );
}
/*****************************************************************************
* InitVideo: initialize video thread output method
*****************************************************************************/
static int InitVideo ( vout_thread_t *p_vout )
{
picture_t *p_pic;
int i_index;
I_OUTPUTPICTURES = 0;
/* Initialize the output structure; we already found a codec,
* and the corresponding chroma we will be using. Since we can
* arbitrary scale, stick to the coordinates and aspect. */
p_vout->output.i_width = p_vout->render.i_width;
p_vout->output.i_height = p_vout->render.i_height;
p_vout->output.i_aspect = p_vout->render.i_aspect;
if( p_vout->b_fullscreen || !p_vout->p_sys->b_embedded )
{
Rect s_rect;
p_vout->p_sys->clip_mask = NULL;
GetPortBounds( p_vout->p_sys->p_qdport, &s_rect );
p_vout->p_sys->i_origx = s_rect.left;
p_vout->p_sys->i_origy = s_rect.top;
p_vout->p_sys->i_width = s_rect.right - s_rect.left;
p_vout->p_sys->i_height = s_rect.bottom - s_rect.top;
}
else
{
/* As we are embedded (e.g. running as a Mozilla plugin), use the pointer
* stored in the "drawable" value as the CGrafPtr for the QuickDraw
* graphics port */
/* Create the clipping mask */
p_vout->p_sys->clip_mask = NewRgn();
UpdateEmbeddedGeometry(p_vout);
var_AddCallback(p_vout->p_libvlc, "drawableredraw", DrawableRedraw, p_vout);
}
QTScaleMatrix( p_vout );
if( QTCreateSequence( p_vout ) )
{
msg_Err( p_vout, "unable to initialize QT: QTCreateSequence failed" );
return( 1 );
}
/* Try to initialize up to QT_MAX_DIRECTBUFFERS direct buffers */
while( I_OUTPUTPICTURES < QT_MAX_DIRECTBUFFERS )
{
p_pic = NULL;
/* Find an empty picture slot */
for( i_index = 0; i_index < VOUT_MAX_PICTURES; i_index++ )
{
if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
{
p_pic = p_vout->p_picture + i_index;
break;
}
}
/* Allocate the picture */
if( p_pic == NULL || QTNewPicture( p_vout, p_pic ) )
{
break;
}
p_pic->i_status = DESTROYED_PICTURE;
p_pic->i_type = DIRECT_PICTURE;
PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
I_OUTPUTPICTURES++;
}
return 0;
}
/*****************************************************************************
* EndVideo: terminate video thread output method
*****************************************************************************/
static void EndVideo( vout_thread_t *p_vout )
{
int i_index;
QTDestroySequence( p_vout );
if( !p_vout->b_fullscreen && p_vout->p_sys->b_embedded )
{
var_DelCallback(p_vout->p_libvlc, "drawableredraw", DrawableRedraw, p_vout);
DisposeRgn(p_vout->p_sys->clip_mask);
}
/* Free the direct buffers we allocated */
for( i_index = I_OUTPUTPICTURES; i_index; )
{
i_index--;
QTFreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
}
}
/*****************************************************************************
* ManageVideo: handle events
*****************************************************************************
* This function should be called regularly by video output thread. It manages
* console events. It returns a non null value on error.
*****************************************************************************/
static int ManageVideo( vout_thread_t *p_vout )
{
if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
{
if( CoToggleFullscreen( p_vout ) )
{
return( 1 );
}
p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
}
if( p_vout->i_changes & VOUT_SIZE_CHANGE )
{
if( p_vout->b_fullscreen || !p_vout->p_sys->b_embedded )
{
/* get the geometry from NSQuickDrawView */
Rect s_rect;
GetPortBounds( p_vout->p_sys->p_qdport, &s_rect );
p_vout->p_sys->i_origx = s_rect.left;
p_vout->p_sys->i_origy = s_rect.top;
p_vout->p_sys->i_width = s_rect.right - s_rect.left;
p_vout->p_sys->i_height = s_rect.bottom - s_rect.top;
}
else
{
/* As we're embedded, get the geometry from Mozilla/Safari NPWindow object */
UpdateEmbeddedGeometry( p_vout );
SetDSequenceMask(p_vout->p_sys->i_seq,
p_vout->p_sys->clip_mask);
}
}
if( p_vout->i_changes & VOUT_SIZE_CHANGE ||
p_vout->i_changes & VOUT_ASPECT_CHANGE )
{
QTScaleMatrix( p_vout );
SetDSequenceMatrix( p_vout->p_sys->i_seq,
p_vout->p_sys->p_matrix );
}
if( p_vout->i_changes & VOUT_SIZE_CHANGE )
{
p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
}
if( p_vout->i_changes & VOUT_ASPECT_CHANGE )
{
p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
}
// can be nil
[p_vout->p_sys->o_vout_view manage];
return( 0 );
}
/*****************************************************************************
* vout_Display: displays previously rendered output
*****************************************************************************
* This function sends the currently rendered image to the display.
*****************************************************************************/
static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
{
OSErr err;
CodecFlags flags;
if( (NULL == p_vout->p_sys->clip_mask) || !EmptyRgn(p_vout->p_sys->clip_mask) )
{
//CGrafPtr oldPort;
//Rect oldBounds;
/* since there is not way to lock a QuickDraw port for exclusive use
there is a potential problem that the frame will be displayed
in the wrong place if other embedded plugins redraws as the port
origin may be changed */
//GetPort(&oldPort);
//GetPortBounds(p_vout->p_sys->p_qdport, &oldBounds);
SetPort(p_vout->p_sys->p_qdport);
SetOrigin(p_vout->p_sys->i_origx, p_vout->p_sys->i_origy);
if( ( err = DecompressSequenceFrameWhen(
p_vout->p_sys->i_seq,
p_pic->p_sys->p_data,
p_pic->p_sys->i_size,
codecFlagUseImageBuffer, &flags, NULL, NULL ) == noErr ) )
{
QDFlushPortBuffer( p_vout->p_sys->p_qdport, p_vout->p_sys->clip_mask );
//QDFlushPortBuffer( p_vout->p_sys->p_qdport, NULL );
}
else
{
msg_Warn( p_vout, "QT failed to display the frame sequence: %d", err );
}
//SetPortBounds(p_vout->p_sys->p_qdport, &oldBounds);
//SetPort(oldPort);
}
}
/*****************************************************************************
* ControlVideo: control facility for the vout
*****************************************************************************/
static int ControlVideo( vout_thread_t *p_vout, int i_query, va_list args )
{
vlc_bool_t b_arg;
switch( i_query )
{
case VOUT_SET_STAY_ON_TOP:
b_arg = va_arg( args, vlc_bool_t );
[p_vout->p_sys->o_vout_view setOnTop: b_arg];
return VLC_SUCCESS;
case VOUT_CLOSE:
case VOUT_REPARENT:
default:
return vout_vaControlDefault( p_vout, i_query, args );
}
}
/*****************************************************************************
* CoToggleFullscreen: toggle fullscreen
*****************************************************************************
* Returns 0 on success, 1 otherwise
*****************************************************************************/
static int CoToggleFullscreen( vout_thread_t *p_vout )
{
NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
p_vout->b_fullscreen = !p_vout->b_fullscreen;
if( p_vout->b_fullscreen )
[p_vout->p_sys->o_vout_view enterFullscreen];
else
[p_vout->p_sys->o_vout_view leaveFullscreen];
[o_pool release];
return 0;
}
/* If we're embedded, the application is expected to indicate a
* window change (move/resize/etc) via the "drawableredraw" value.
* If that's the case, set the VOUT_SIZE_CHANGE flag so we do
* actually handle the window change. */
static int DrawableRedraw( vlc_object_t *p_this, const char *psz_name,
vlc_value_t oval, vlc_value_t nval, void *param)
{
/* ignore changes until we are ready for them */
if( (oval.i_int != nval.i_int) && (nval.i_int == 1) )
{
vout_thread_t *p_vout = (vout_thread_t *)param;
/* prevent QT from rendering any more video until we have updated
the geometry */
SetEmptyRgn(p_vout->p_sys->clip_mask);
SetDSequenceMask(p_vout->p_sys->i_seq,
p_vout->p_sys->clip_mask);
p_vout->i_changes |= VOUT_SIZE_CHANGE;
}
return VLC_SUCCESS;
}
/* Embedded video get their drawing region from the host application
* by the drawable values here. Read those variables, and store them
* in the p_vout->p_sys structure so that other functions (such as
* DisplayVideo and ManageVideo) can use them later. */
static void UpdateEmbeddedGeometry( vout_thread_t *p_vout )
{
vlc_value_t val;
vlc_value_t valt, vall, valb, valr, valx, valy, valw, valh,
valportx, valporty;
var_Get( p_vout->p_libvlc, "drawable", &val );
var_Get( p_vout->p_libvlc, "drawablet", &valt );
var_Get( p_vout->p_libvlc, "drawablel", &vall );
var_Get( p_vout->p_libvlc, "drawableb", &valb );
var_Get( p_vout->p_libvlc, "drawabler", &valr );
var_Get( p_vout->p_libvlc, "drawablex", &valx );
var_Get( p_vout->p_libvlc, "drawabley", &valy );
var_Get( p_vout->p_libvlc, "drawablew", &valw );
var_Get( p_vout->p_libvlc, "drawableh", &valh );
var_Get( p_vout->p_libvlc, "drawableportx", &valportx );
var_Get( p_vout->p_libvlc, "drawableporty", &valporty );
/* portx, porty contains values for SetOrigin() function
which isn't used, instead use QT Translate matrix */
p_vout->p_sys->i_origx = valportx.i_int;
p_vout->p_sys->i_origy = valporty.i_int;
p_vout->p_sys->p_qdport = (CGrafPtr) val.i_int;
p_vout->p_sys->i_width = valw.i_int;
p_vout->p_sys->i_height = valh.i_int;
/* update video clipping mask */
/*SetRectRgn( p_vout->p_sys->clip_mask , vall.i_int ,
valt.i_int, valr.i_int, valb.i_int );*/
SetRectRgn( p_vout->p_sys->clip_mask , vall.i_int + valportx.i_int ,
valt.i_int + valporty.i_int , valr.i_int + valportx.i_int ,
valb.i_int + valporty.i_int );
/* reset drawableredraw variable indicating we are ready
to take changes in video geometry */
val.i_int=0;
var_Set( p_vout->p_libvlc, "drawableredraw", val );
}
/*****************************************************************************
* QTScaleMatrix: scale matrix
*****************************************************************************/
static void QTScaleMatrix( vout_thread_t *p_vout )
{
vlc_value_t val;
Fixed factor_x, factor_y;
unsigned int i_offset_x = 0;
unsigned int i_offset_y = 0;
int i_width = p_vout->p_sys->i_width;
int i_height = p_vout->p_sys->i_height;
var_Get( p_vout, "macosx-stretch", &val );
if( val.b_bool )
{
factor_x = FixDiv( Long2Fix( i_width ),
Long2Fix( p_vout->output.i_width ) );
factor_y = FixDiv( Long2Fix( i_height ),
Long2Fix( p_vout->output.i_height ) );
}
else if( i_height * p_vout->fmt_in.i_visible_width *
p_vout->fmt_in.i_sar_num <
i_width * p_vout->fmt_in.i_visible_height *
p_vout->fmt_in.i_sar_den )
{
int i_adj_width = i_height * p_vout->fmt_in.i_visible_width *
p_vout->fmt_in.i_sar_num /
( p_vout->fmt_in.i_sar_den *
p_vout->fmt_in.i_visible_height );
factor_x = FixDiv( Long2Fix( i_adj_width ),
Long2Fix( p_vout->fmt_in.i_visible_width ) );
factor_y = FixDiv( Long2Fix( i_height ),
Long2Fix( p_vout->fmt_in.i_visible_height ) );
i_offset_x = (i_width - i_adj_width) / 2;
}
else
{
int i_adj_height = i_width * p_vout->fmt_in.i_visible_height *
p_vout->fmt_in.i_sar_den /
( p_vout->fmt_in.i_sar_num *
p_vout->fmt_in.i_visible_width );
factor_x = FixDiv( Long2Fix( i_width ),
Long2Fix( p_vout->fmt_in.i_visible_width ) );
factor_y = FixDiv( Long2Fix( i_adj_height ),
Long2Fix( p_vout->fmt_in.i_visible_height ) );
i_offset_y = (i_height - i_adj_height) / 2;
}
SetIdentityMatrix( p_vout->p_sys->p_matrix );
ScaleMatrix( p_vout->p_sys->p_matrix,
factor_x, factor_y,
Long2Fix(0), Long2Fix(0) );
TranslateMatrix( p_vout->p_sys->p_matrix,
Long2Fix(i_offset_x), Long2Fix(i_offset_y) );
}
/*****************************************************************************
* QTCreateSequence: create a new sequence
*****************************************************************************
* Returns 0 on success, 1 otherwise
*****************************************************************************/
static int QTCreateSequence( vout_thread_t *p_vout )
{
OSErr err;
ImageDescriptionPtr p_descr;
HLock( (Handle)p_vout->p_sys->h_img_descr );
p_descr = *p_vout->p_sys->h_img_descr;
p_descr->idSize = sizeof(ImageDescription);
p_descr->cType = p_vout->p_sys->i_codec;
p_descr->version = 2;
p_descr->revisionLevel = 0;
p_descr->vendor = 'mpla';
p_descr->width = p_vout->output.i_width;
p_descr->height = p_vout->output.i_height;
p_descr->hRes = Long2Fix(72);
p_descr->vRes = Long2Fix(72);
p_descr->spatialQuality = codecLosslessQuality;
p_descr->frameCount = 1;
p_descr->clutID = -1;
p_descr->dataSize = 0;
p_descr->depth = 24;
HUnlock( (Handle)p_vout->p_sys->h_img_descr );
if( ( err = DecompressSequenceBeginS(
&p_vout->p_sys->i_seq,
p_vout->p_sys->h_img_descr,
NULL,
(p_descr->width * p_descr->height * 16) / 8,
p_vout->p_sys->p_qdport,
NULL, NULL,
p_vout->p_sys->p_matrix,
srcCopy, p_vout->p_sys->clip_mask,
codecFlagUseImageBuffer,
codecLosslessQuality,
bestSpeedCodec ) ) )
{
msg_Err( p_vout, "Failed to initialize QT: DecompressSequenceBeginS failed: %d", err );
return( 1 );
}
return( 0 );
}
/*****************************************************************************
* QTDestroySequence: destroy sequence
*****************************************************************************/
static void QTDestroySequence( vout_thread_t *p_vout )
{
CDSequenceEnd( p_vout->p_sys->i_seq );
}
/*****************************************************************************
* QTNewPicture: allocate a picture
*****************************************************************************
* Returns 0 on success, 1 otherwise
*****************************************************************************/
static int QTNewPicture( vout_thread_t *p_vout, picture_t *p_pic )
{
/* We know the chroma, allocate a buffer which will be used
* directly by the decoder */
p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
if( p_pic->p_sys == NULL )
{
return( -1 );
}
vout_InitPicture( VLC_OBJECT( p_vout), p_pic, p_vout->output.i_chroma,
p_vout->output.i_width, p_vout->output.i_height,
p_vout->output.i_aspect );
switch( p_vout->output.i_chroma )
{
case VLC_FOURCC('Y','U','Y','2'):
p_pic->p_sys->i_size = p_vout->output.i_width * p_vout->output.i_height * 2;
/* Allocate the memory buffer */
p_pic->p_data_orig = p_pic->p_data = malloc( p_pic->p_sys->i_size );
/* Memory is always 16-bytes aligned on OSX, so it does not
* posix_memalign() */
assert( (((uintptr_t)p_pic->p_data) % 16) == 0 );
p_pic->p[0].p_pixels = p_pic->p_data;
p_pic->p[0].i_lines = p_vout->output.i_height;
p_pic->p[0].i_visible_lines = p_vout->output.i_height;
p_pic->p[0].i_pitch = p_vout->output.i_width * 2;
p_pic->p[0].i_pixel_pitch = 1;
p_pic->p[0].i_visible_pitch = p_vout->output.i_width * 2;
p_pic->i_planes = 1;
p_pic->p_sys->p_data = (void *)p_pic->p[0].p_pixels;
break;
case VLC_FOURCC('I','4','2','0'):
p_pic->p_sys->p_data = (void *)&p_pic->p_sys->pixmap_i420;
p_pic->p_sys->i_size = sizeof(PlanarPixmapInfoYUV420);
/* Allocate the memory buffer */
p_pic->p_data_orig = p_pic->p_data = malloc( p_vout->output.i_width
* p_vout->output.i_height * 3 / 2 );
/* Memory is always 16-bytes aligned on OSX, so it does not
* posix_memalign() */
assert( (((uintptr_t)p_pic->p_data) % 16) == 0 );
/* Y buffer */
p_pic->Y_PIXELS = p_pic->p_data;
p_pic->p[Y_PLANE].i_lines = p_vout->output.i_height;
p_pic->p[Y_PLANE].i_visible_lines = p_vout->output.i_height;
p_pic->p[Y_PLANE].i_pitch = p_vout->output.i_width;
p_pic->p[Y_PLANE].i_pixel_pitch = 1;
p_pic->p[Y_PLANE].i_visible_pitch = p_vout->output.i_width;
/* U buffer */
p_pic->U_PIXELS = p_pic->Y_PIXELS + p_vout->output.i_height * p_vout->output.i_width;
p_pic->p[U_PLANE].i_lines = p_vout->output.i_height / 2;
p_pic->p[U_PLANE].i_visible_lines = p_vout->output.i_height / 2;
p_pic->p[U_PLANE].i_pitch = p_vout->output.i_width / 2;
p_pic->p[U_PLANE].i_pixel_pitch = 1;
p_pic->p[U_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
/* V buffer */
p_pic->V_PIXELS = p_pic->U_PIXELS + p_vout->output.i_height * p_vout->output.i_width / 4;
p_pic->p[V_PLANE].i_lines = p_vout->output.i_height / 2;
p_pic->p[V_PLANE].i_visible_lines = p_vout->output.i_height / 2;
p_pic->p[V_PLANE].i_pitch = p_vout->output.i_width / 2;
p_pic->p[V_PLANE].i_pixel_pitch = 1;
p_pic->p[V_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
/* We allocated 3 planes */
p_pic->i_planes = 3;
#define P p_pic->p_sys->pixmap_i420
P.componentInfoY.offset = (void *)p_pic->Y_PIXELS
- p_pic->p_sys->p_data;
P.componentInfoCb.offset = (void *)p_pic->U_PIXELS
- p_pic->p_sys->p_data;
P.componentInfoCr.offset = (void *)p_pic->V_PIXELS
- p_pic->p_sys->p_data;
P.componentInfoY.rowBytes = p_vout->output.i_width;
P.componentInfoCb.rowBytes = p_vout->output.i_width / 2;
P.componentInfoCr.rowBytes = p_vout->output.i_width / 2;
#undef P
break;
default:
/* Unknown chroma, tell the guy to get lost */
free( p_pic->p_sys );
msg_Err( p_vout, "Unknown chroma format 0x%.8x (%4.4s)",
p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
p_pic->i_planes = 0;
return( -1 );
}
return( 0 );
}
/*****************************************************************************
* QTFreePicture: destroy a picture allocated with QTNewPicture
*****************************************************************************/
static void QTFreePicture( vout_thread_t *p_vout, picture_t *p_pic )
{
switch( p_vout->output.i_chroma )
{
case VLC_FOURCC('I','4','2','0'):
free( p_pic->p_data_orig );
break;
}
free( p_pic->p_sys );
}
/*****************************************************************************
* VLCQTView implementation
*****************************************************************************/
@implementation VLCQTView
/* This function will reset the o_vout_view. It's useful to go fullscreen. */
+ (void)resetVout: (vout_thread_t *)p_vout
{
QTDestroySequence( p_vout );
if( p_vout->b_fullscreen )
{
if( !p_vout->p_sys->b_embedded )
{
/* Save window size and position */
p_vout->p_sys->s_frame.size =
[p_vout->p_sys->o_vout_view frame].size;
p_vout->p_sys->s_frame.origin =
[[p_vout->p_sys->o_vout_view getWindow] frame].origin;
p_vout->p_sys->b_saved_frame = VLC_TRUE;
}
else
{
var_DelCallback(p_vout->p_libvlc, "drawableredraw", DrawableRedraw, p_vout);
DisposeRgn(p_vout->p_sys->clip_mask);
}
}
if( p_vout->b_fullscreen || !p_vout->p_sys->b_embedded )
{
Rect s_rect;
p_vout->p_sys->clip_mask = NULL;
#define o_qtview p_vout->p_sys->o_qtview
o_qtview = [[VLCQTView alloc] initWithVout: p_vout];
[o_qtview autorelease];
if( p_vout->p_sys->b_saved_frame )
{
p_vout->p_sys->o_vout_view = [VLCVoutView getVoutView: p_vout
subView: o_qtview
frame: &p_vout->p_sys->s_frame];
}
else
{
p_vout->p_sys->o_vout_view = [VLCVoutView getVoutView: p_vout
subView: o_qtview frame: nil];
}
/* Retrieve the QuickDraw port */
[o_qtview lockFocus];
p_vout->p_sys->p_qdport = [o_qtview qdPort];
[o_qtview unlockFocus];
#undef o_qtview
GetPortBounds( p_vout->p_sys->p_qdport, &s_rect );
p_vout->p_sys->i_origx = s_rect.left;
p_vout->p_sys->i_origy = s_rect.top;
p_vout->p_sys->i_width = s_rect.right - s_rect.left;
p_vout->p_sys->i_height = s_rect.bottom - s_rect.top;
}
else
{
/* Create the clipping mask */
p_vout->p_sys->clip_mask = NewRgn();
UpdateEmbeddedGeometry(p_vout);
var_AddCallback(p_vout->p_libvlc, "drawableredraw", DrawableRedraw, p_vout);
}
QTScaleMatrix( p_vout );
if( QTCreateSequence( p_vout ) )
{
msg_Err( p_vout, "unable to initialize QT: QTCreateSequence failed" );
return;
}
}
- (id) initWithVout:(vout_thread_t *)_p_vout
{
p_vout = _p_vout;
return [super init];
}
- (void)drawRect:(NSRect)rect
{
[[NSColor blackColor] set];
NSRectFill( rect );
[super drawRect: rect];
p_vout->i_changes |= VOUT_SIZE_CHANGE;
}
@end