videolan
/
vlc
mirror of https://code.videolan.org/videolan/vlc
1
Fork 0
Code Releases Activity

Added hooks for the fothcoming YUV overlay support.

This commit is contained in:
Christophe Massiot 2000-11-29 17:33:24 +00:00
parent 266e3eabc0
commit 50f8da0448
2 changed files with 24 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/video_output.h
View File

@ -144,6 +144,8 @@ typedef struct vout_thread_s
int i_screen_depth; /* significant bpp: 8, 15, 16 or 24 */
int i_bytes_per_pixel;/* real screen depth: 1, 2, 3 or 4 */
float f_gamma; /* gamma */
boolean_t b_need_render; /* does the output method need a YUV
* conversion ? */
/* Color masks and shifts in RGB mode - masks are set by system
* initialization, shifts are calculated. A pixel color value can be
@ -202,6 +204,7 @@ typedef struct vout_thread_s
subpicture_t p_subpicture[VOUT_MAX_PICTURES]; /* subpictures */
int i_pictures; /* current heap size */
vout_yuv_t yuv; /* translation tables */
picture_t * p_rendered_pic; /* picture currently being rendered */
/* Bitmap fonts */
p_vout_font_t p_default_font; /* default font */

34
src/video_output/video_output.c
View File

@ -158,6 +158,7 @@ vout_thread_t * vout_CreateThread ( char *psz_display, int i_root_window,
p_vout->i_screen_depth = 15;
p_vout->i_bytes_per_pixel = 2;
p_vout->f_gamma = VOUT_GAMMA;
p_vout->b_need_render = 1;
p_vout->b_grayscale = main_GetIntVariable( VOUT_GRAYSCALE_VAR,
VOUT_GRAYSCALE_DEFAULT );
@ -923,11 +924,14 @@ static int InitThread( vout_thread_t *p_vout )
return( 1 );
}
/* Initialize convertion tables and functions */
if( vout_InitYUV( p_vout ) )
if( p_vout->b_need_render )
{
intf_ErrMsg("error: can't allocate YUV translation tables\n");
return( 1 );
/* Initialize convertion tables and functions */
if( vout_InitYUV( p_vout ) )
{
intf_ErrMsg("error: can't allocate YUV translation tables\n");
return( 1 );
}
}
/* Mark thread as running and return */
@ -1025,7 +1029,7 @@ static void RunThread( vout_thread_t *p_vout)
"warning: late picture skipped (%p)\n", p_pic );
vlc_mutex_unlock( &p_vout->picture_lock );
continue;
continue;
}
else if( display_date > current_date + VOUT_DISPLAY_DELAY )
{
@ -1060,8 +1064,11 @@ static void RunThread( vout_thread_t *p_vout)
{
b_display = p_vout->b_active;
p_vout->last_display_date = display_date;
p_vout->p_rendered_pic = p_pic;
if( b_display )
/* FIXME: if b_need_render == 0 we need to do something with
* the subpictures one day. */
if( p_vout->b_need_render && b_display )
{
/* Set picture dimensions and clear buffer */
SetBufferPicture( p_vout, p_pic );
@ -1080,14 +1087,17 @@ static void RunThread( vout_thread_t *p_vout)
}
/* Render interface and subpicture */
if( b_display && p_vout->b_interface )
if( b_display && p_vout->b_interface && p_vout->b_need_render )
{
RenderInterface( p_vout );
}
}
else if( p_vout->b_active && p_vout->init_display_date == 0) /* idle or interface screen alone */
else if( p_vout->b_active && p_vout->b_need_render
&& p_vout->init_display_date == 0)
{
/* Idle or interface screen alone */
if( p_vout->b_interface && 0 /* && XXX?? intf_change */ )
{
/* Interface has changed, so a new rendering is required - force
@ -1115,10 +1125,10 @@ static void RunThread( vout_thread_t *p_vout)
/*
* chech for the current time and
* Check for the current time and
* display splash screen if everything is on time
*/
if( p_vout->init_display_date > 0)
if( p_vout->init_display_date > 0 && p_vout->b_need_render )
{
if( p_vout->b_active &&
mdate()-p_vout->init_display_date < 5000000)
@ -1135,15 +1145,13 @@ static void RunThread( vout_thread_t *p_vout)
}
/*
* Sleep, wake up and display rendered picture
*/
if( display_date != 0 )
{
/* Store render time */
/* Store render time using Bresenham algorithm */
p_vout->render_time += mdate() - current_date;
p_vout->render_time >>= 1;
}