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mirror of https://code.videolan.org/videolan/vlc synced 2024-07-21 07:24:15 +02:00

* Implement Crop in the ogl vout

* The implementation is quite dirty, but I just cannot see any other easy solution...
This commit is contained in:
Benjamin Pracht 2006-03-30 21:54:07 +00:00
parent 2d202f4da6
commit ea48b014dd
6 changed files with 52 additions and 23 deletions

View File

@ -241,6 +241,7 @@
"o_mi_close_window" = id;
"o_mi_controller" = id;
"o_mi_copy" = id;
"o_mi_crop" = id;
"o_mi_cut" = id;
"o_mi_deinterlace" = id;
"o_mi_device" = id;
@ -307,6 +308,7 @@
"o_mu_channels" = id;
"o_mu_chapter" = id;
"o_mu_controls" = id;
"o_mu_crop" = id;
"o_mu_deinterlace" = id;
"o_mu_device" = id;
"o_mu_edit" = id;

View File

@ -22,7 +22,6 @@
<key>IBOpenObjects</key>
<array>
<integer>21</integer>
<integer>1789</integer>
</array>
<key>IBSystem Version</key>
<string>8H14</string>

View File

@ -230,6 +230,8 @@ struct intf_sys_t
IBOutlet id o_mu_screen;
IBOutlet id o_mi_aspect_ratio;
IBOutlet id o_mu_aspect_ratio;
IBOutlet id o_mi_crop;
IBOutlet id o_mu_crop;
IBOutlet id o_mi_subtitle;
IBOutlet id o_mu_subtitle;
IBOutlet id o_mi_deinterlace;

View File

@ -557,6 +557,8 @@ static VLCMain *_o_sharedMainInstance = nil;
[o_mu_videotrack setTitle: _NS("Video Track")];
[o_mi_aspect_ratio setTitle: _NS("Aspect-ratio")];
[o_mu_aspect_ratio setTitle: _NS("Aspect-ratio")];
[o_mi_crop setTitle: _NS("Crop")];
[o_mu_crop setTitle: _NS("Crop")];
[o_mi_screen setTitle: _NS("Video Device")];
[o_mu_screen setTitle: _NS("Video Device")];
[o_mi_subtitle setTitle: _NS("Subtitles Track")];
@ -1155,6 +1157,9 @@ static VLCMain *_o_sharedMainInstance = nil;
[o_controls setupVarMenuItem: o_mi_aspect_ratio target: (vlc_object_t *)[VLCVoutView getRealVout: p_vout]
var: "aspect-ratio" selector: @selector(toggleVar:)];
[o_controls setupVarMenuItem: o_mi_crop target: (vlc_object_t *)[VLCVoutView getRealVout: p_vout]
var: "crop" selector: @selector(toggleVar:)];
[o_controls setupVarMenuItem: o_mi_screen target: (vlc_object_t *)p_vout
var: "video-device" selector: @selector(toggleVar:)];
@ -1331,6 +1336,7 @@ static VLCMain *_o_sharedMainInstance = nil;
[o_mi_device setEnabled: b_enabled];
[o_mi_screen setEnabled: b_enabled];
[o_mi_aspect_ratio setEnabled: b_enabled];
[o_mi_crop setEnabled: b_enabled];
}
- (void)manageVolumeSlider

View File

@ -61,7 +61,8 @@ struct vout_sys_t
NSRect s_frame;
vlc_bool_t b_got_frame;
vlc_mutex_t lock;
vlc_bool_t b_vout_size_update;
int i_vout_size_update_counter;
int i_x, i_y;
};
/*****************************************************************************
@ -76,7 +77,7 @@ static void Swap ( vout_thread_t * p_vout );
static int Lock ( vout_thread_t * p_vout );
static void Unlock ( vout_thread_t * p_vout );
static int AspectCallback( vlc_object_t *, char const *,
static int AspectCropCallback( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
int E_(OpenVideoGL) ( vlc_object_t * p_this )
@ -150,14 +151,21 @@ static int Init( vout_thread_t * p_vout )
var_Create( p_vout->p_parent, "aspect-ratio",
VLC_VAR_STRING | VLC_VAR_DOINHERIT );
}
var_AddCallback( p_vout->p_parent, "aspect-ratio", AspectCallback, p_vout );
var_AddCallback( p_vout->p_parent, "aspect-ratio", AspectCropCallback, p_vout );
if( !var_Type( p_vout->p_parent, "crop" ) )
{
var_Create( p_vout->p_parent, "crop",
VLC_VAR_STRING | VLC_VAR_DOINHERIT );
}
var_AddCallback( p_vout->p_parent, "crop", AspectCropCallback, p_vout );
[[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
return VLC_SUCCESS;
}
static void End( vout_thread_t * p_vout )
{
var_DelCallback( p_vout->p_parent, "aspect-ratio", AspectCallback, p_vout );
var_DelCallback( p_vout->p_parent, "aspect-ratio", AspectCropCallback, p_vout );
var_DelCallback( p_vout->p_parent, "crop", AspectCropCallback, p_vout );
[[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
}
@ -205,16 +213,17 @@ static int Manage( vout_thread_t * p_vout )
p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
}
if( p_vout->p_sys->b_vout_size_update )
if( p_vout->p_sys->i_vout_size_update_counter )
{
NSRect old_bounds = [p_vout->p_sys->o_glview bounds];
int i_old_x = p_vout->p_sys->i_x, i_old_y = p_vout->p_sys->i_y;
[p_vout->p_sys->o_glview reshape];
if( [p_vout->p_sys->o_glview bounds].size.height !=
old_bounds.size.height ||
[p_vout->p_sys->o_glview bounds].size.width !=
old_bounds.size.width);
if( p_vout->p_sys->i_x != i_old_x || p_vout->p_sys->i_y != i_old_y )
{
p_vout->p_sys->b_vout_size_update = VLC_FALSE;
p_vout->p_sys->i_vout_size_update_counter = 0;
}
else if( p_vout->p_sys->i_vout_size_update_counter > 0 )
{
p_vout->p_sys->i_vout_size_update_counter--;
}
}
@ -261,14 +270,20 @@ static void Unlock( vout_thread_t * p_vout )
vlc_mutex_unlock( &p_vout->p_sys->lock );
}
static int AspectCallback( vlc_object_t *p_this, char const *psz_cmd,
static int AspectCropCallback( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
/* Only update the vout size if the aspect ratio has actually been changed*/
/* We cannot change the size directly in this callback, since fmt_in
hasn't been updated yet, so do it in Manage */
if( strcmp( oldval.psz_string, newval.psz_string ) )
{
((vout_thread_t *)p_data)->p_sys->b_vout_size_update = VLC_TRUE;
/* khludge ! Here, we are not sure that the vout size will actually
change (for instance if we go from Predefined to 4:3 on a 4:3
stream). So, to to trigger reshape endlessly, we decrease that
counter each time we call reshape. We put it to 0 directly if
we actually change the vout size. */
((vout_thread_t *)p_data)->p_sys->i_vout_size_update_counter = 2;
}
return VLC_SUCCESS;
}
@ -333,23 +348,28 @@ static int AspectCallback( vlc_object_t *p_this, char const *psz_cmd,
x = bounds.size.width;
y = bounds.size.height;
}
else if( bounds.size.height * p_vout->render.i_aspect *
else if( bounds.size.height * p_vout->fmt_in.i_visible_width *
p_vout->fmt_in.i_sar_num <
bounds.size.width * VOUT_ASPECT_FACTOR * p_vout->fmt_in.i_sar_den )
bounds.size.width * p_vout->fmt_in.i_visible_height *
p_vout->fmt_in.i_sar_den )
{
x = bounds.size.height * p_vout->render.i_aspect *
p_vout->fmt_in.i_sar_num / ( VOUT_ASPECT_FACTOR *
p_vout->fmt_in.i_sar_den );
x = ( bounds.size.height * p_vout->fmt_in.i_visible_width *
p_vout->fmt_in.i_sar_num ) /
( p_vout->fmt_in.i_visible_height * p_vout->fmt_in.i_sar_den);
y = bounds.size.height;
}
else
{
x = bounds.size.width;
y = bounds.size.width * p_vout->fmt_in.i_sar_den *
VOUT_ASPECT_FACTOR / ( p_vout->fmt_in.i_sar_num *
p_vout->render.i_aspect );
y = ( bounds.size.width * p_vout->fmt_in.i_visible_height *
p_vout->fmt_in.i_sar_den) /
( p_vout->fmt_in.i_visible_width * p_vout->fmt_in.i_sar_num );
}
p_vout->p_sys->i_x = x;
p_vout->p_sys->i_y = y;
glViewport( ( bounds.size.width - x ) / 2,
( bounds.size.height - y ) / 2, x, y );