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videolan
vlc
Commits
665782c8
Commit
665782c8
authored
Jan 21, 2000
by
Sam Hocevar
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Plain Diff
l'output framebuffer fonctionne presque.
ca va *pas* merder.
parent
4ffdf05c
Changes
2
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2 changed files
with
247 additions
and
232 deletions
+247
-232
src/video_output/video_fb.c
src/video_output/video_fb.c
+146
-131
src/video_output/video_output.c
src/video_output/video_output.c
+101
-101
No files found.
src/video_output/video_fb.c
View file @
665782c8
/******************************************************************************
*
* vout_fb.c: framebuffer video output display method
/******************************************************************************
* vout_fb.c:
Linux
framebuffer video output display method
* (c)1998 VideoLAN
******************************************************************************
*
/
******************************************************************************/
/******************************************************************************
*
/******************************************************************************
* Preamble
*******************************************************************************/
******************************************************************************/
#include <errno.h>
#include <fcntl.h>
...
...
@@ -32,42 +31,56 @@
#include "intf_msg.h"
#include "main.h"
/******************************************************************************
*
/******************************************************************************
* vout_sys_t: video output framebuffer method descriptor
******************************************************************************
*
******************************************************************************
* This structure is part of the video output thread descriptor.
* It describes the FB specific properties of an output thread. FB video
* output is performed through regular resizable windows. Windows can be
* dynamically resized to adapt to the size of the streams.
*******************************************************************************/
* It describes the FB specific properties of an output thread.
******************************************************************************/
typedef
struct
vout_sys_s
{
/* System informations */
int
i_fb_dev
;
/* framebuffer device handle */
size_t
i_page_size
;
/* page size */
struct
fb_var_screeninfo
var_info
;
/* framebuffer mode informations */
/* Video memory */
byte_t
*
p_video
;
/* User settings */
boolean_t
b_shm
;
/* shared memory extension flag */
/* Font information */
int
i_char_bytes_per_line
;
/* character width (bytes) */
int
i_char_height
;
/* character height (lines) */
int
i_char_interspacing
;
/* space between centers (pixels) */
byte_t
*
pi_font
;
/* pointer to font data */
/* Display buffers information */
int
i_buffer_index
;
/* buffer index */
void
*
p_image
[
2
];
/* image */
}
vout_sys_t
;
/******************************************************************************
*
/******************************************************************************
* Local prototypes
******************************************************************************
*
/
******************************************************************************/
static
int
FBOpenDisplay
(
vout_thread_t
*
p_vout
);
static
void
FBCloseDisplay
(
vout_thread_t
*
p_vout
);
/*******************************************************************************
* vout_SysCreate: allocate framebuffer video thread output method
*******************************************************************************
* This function allocate and initialize a framebuffer vout method.
*******************************************************************************/
int
vout_SysCreate
(
vout_thread_t
*
p_vout
)
/******************************************************************************
* vout_SysCreate: allocates FB video thread output method
******************************************************************************
* This function allocates and initializes a FB vout method.
******************************************************************************/
int
vout_SysCreate
(
vout_thread_t
*
p_vout
,
char
*
psz_display
,
int
i_root_window
)
{
/* Allocate structure */
p_vout
->
p_sys
=
malloc
(
sizeof
(
vout_sys_t
)
);
if
(
p_vout
->
p_sys
==
NULL
)
{
intf_ErrMsg
(
"
vout
error: %s
\n
"
,
strerror
(
ENOMEM
)
);
intf_ErrMsg
(
"error: %s
\n
"
,
strerror
(
ENOMEM
)
);
return
(
1
);
}
...
...
@@ -82,108 +95,104 @@ int vout_SysCreate( vout_thread_t *p_vout )
return
(
0
);
}
/*******************************************************************************
* vout_SysInit: initialize Sys video thread output method
*******************************************************************************
* This function initialize the framebuffer device.
*******************************************************************************/
/******************************************************************************
* vout_SysInit: initialize framebuffer video thread output method
******************************************************************************
* This function creates the images needed by the output thread. It is called
* at the beginning of the thread, but also each time the display is resized.
******************************************************************************/
int
vout_SysInit
(
vout_thread_t
*
p_vout
)
{
// Blank both screens
memset
(
p_vout
->
p_sys
->
p_video
,
0x00
,
2
*
p_vout
->
p_sys
->
i_page_size
);
//memset( p_vout->p_sys->p_image[0], 0xf0, p_vout->p_sys->i_page_size );
//memset( p_vout->p_sys->p_image[1], 0x0f, p_vout->p_sys->i_page_size );
/* Set buffer index to 0 */
p_vout
->
p_sys
->
i_buffer_index
=
0
;
//??
//??
// intf_Msg("vout: framebuffer display initialized (%s), %dx%d depth=%d bpp",
// fb_fix_screeninfo.id, p_vout->i_witdh, p_vout->i_height,
// p_vout->i_screen_depth );
return
(
0
);
}
/*******************************************************************************
* vout_SysEnd: terminate Sys video thread output method
*******************************************************************************
* Terminate an output method created by vout_SysCreateOutputMethod
*******************************************************************************/
/******************************************************************************
* vout_SysEnd: terminate FB video thread output method
******************************************************************************
* Destroy the FB images created by vout_SysInit. It is called at the end of
* the thread, but also each time the window is resized.
******************************************************************************/
void
vout_SysEnd
(
vout_thread_t
*
p_vout
)
{
intf_DbgMsg
(
"%p
\n
"
,
p_vout
);
//??
}
/******************************************************************************
*
* vout_SysDestroy: destroy
Sys
video thread output method
******************************************************************************
*
* Terminate an output method created by vout_
Sys
CreateOutputMethod
******************************************************************************
*
/
/******************************************************************************
* vout_SysDestroy: destroy
FB
video thread output method
******************************************************************************
* Terminate an output method created by vout_
FB
CreateOutputMethod
******************************************************************************/
void
vout_SysDestroy
(
vout_thread_t
*
p_vout
)
{
FBCloseDisplay
(
p_vout
);
free
(
p_vout
->
p_sys
);
}
/******************************************************************************
*
* vout_SysManage: handle
Sys
events
******************************************************************************
*
/******************************************************************************
* vout_SysManage: handle
FB
events
******************************************************************************
* This function should be called regularly by video output thread. It manages
* Sys events and allows window resizing. It returns a negative value if
* something happened which does not allow the thread to continue, and a
* positive one if the thread can go on, but the images have been modified and
* therefore it is useless to display them.
*******************************************************************************
* Messages type: vout, major code: 103
*******************************************************************************/
* console events and allows screen resizing. It returns a non null value on
* error.
******************************************************************************/
int
vout_SysManage
(
vout_thread_t
*
p_vout
)
{
/
/??
/
* XXX */
return
(
0
)
;
return
0
;
}
/******************************************************************************
*
/******************************************************************************
* vout_SysDisplay: displays previously rendered output
******************************************************************************
*
* This function send the currently rendered image to
Sys server, wait
until
* it is displayed and switch the two rendering buffer, preparing next frame.
******************************************************************************
*
/
******************************************************************************
* This function send the currently rendered image to
FB image, waits
until
* it is displayed and switch the two rendering buffer
s
, preparing next frame.
******************************************************************************/
void
vout_SysDisplay
(
vout_thread_t
*
p_vout
)
{
/* Swap buffers */
//?? p_vout->p_sys->i_buffer_index = ++p_vout->p_sys->i_buffer_index & 1;
//p_vout->p_sys->i_buffer_index = ++p_vout->p_sys->i_buffer_index & 1;
/* tout est bien affich, on peut changer les 2 crans */
p_vout
->
p_sys
->
var_info
.
yoffset
=
/*p_vout->p_sys->i_buffer_index ?*/
0
/*: p_vout->p_sys->var_info.yres*/
;
ioctl
(
p_vout
->
p_sys
->
i_fb_dev
,
FBIOPUT_VSCREENINFO
,
&
p_vout
->
p_sys
->
var_info
);
}
/******************************************************************************
*
/******************************************************************************
* vout_SysGetPicture: get current display buffer informations
*******************************************************************************
* This function returns the address of the current display buffer, and the
* number of samples per line. For 15, 16 and 32 bits displays, this value is
* the number of pixels in a line.
*******************************************************************************/
byte_t
*
vout_SysGetPicture
(
vout_thread_t
*
p_vout
,
int
*
pi_eol_offset
)
******************************************************************************
* This function returns the address of the current display buffer.
******************************************************************************/
void
*
vout_SysGetPicture
(
vout_thread_t
*
p_vout
)
{
*
pi_eol_offset
=
p_vout
->
i_width
;
//????
// return( p_vout->p_sys->p_ximage[ p_vout->p_sys->i_buffer_index ].data );
return
(
p_vout
->
p_sys
->
p_image
[
p_vout
->
p_sys
->
i_buffer_index
]
);
}
/* following functions are local */
/******************************************************************************
*
/******************************************************************************
* FBOpenDisplay: open and initialize framebuffer device
******************************************************************************
*
******************************************************************************
* ?? The framebuffer mode is only provided as a fast and efficient way to
* display video, providing the card is configured and the mode ok. It is
* not portable, and is not supposed to work with many cards. Use at your
* own risks !
*******************************************************************************/
* own risk !
******************************************************************************/
static
int
FBOpenDisplay
(
vout_thread_t
*
p_vout
)
{
char
*
psz_device
;
/* framebuffer device path */
struct
fb_fix_screeninfo
fix_info
;
/* framebuffer fix information */
struct
fb_var_screeninfo
var_info
;
/* frambuffer mode informations */
/* Open framebuffer device */
psz_device
=
main_GetPszVariable
(
VOUT_FB_DEV_VAR
,
VOUT_FB_DEV_DEFAULT
);
...
...
@@ -198,7 +207,7 @@ static int FBOpenDisplay( vout_thread_t *p_vout )
// ?? change to the most appropriate mode...
/* Get framebuffer device informations */
if
(
ioctl
(
p_vout
->
p_sys
->
i_fb_dev
,
FBIOGET_VSCREENINFO
,
&
var_info
)
)
if
(
ioctl
(
p_vout
->
p_sys
->
i_fb_dev
,
FBIOGET_VSCREENINFO
,
&
p_vout
->
p_sys
->
var_info
)
)
{
intf_ErrMsg
(
"vout error: can't get framebuffer informations (%s)
\n
"
,
strerror
(
errno
)
);
close
(
p_vout
->
p_sys
->
i_fb_dev
);
...
...
@@ -209,12 +218,12 @@ static int FBOpenDisplay( vout_thread_t *p_vout )
//??
/* Set some attributes */
var_info
.
activate
=
FB_ACTIVATE_NXTOPEN
;
var_info
.
xoffset
=
0
;
var_info
.
yoffset
=
0
;
p_vout
->
p_sys
->
var_info
.
activate
=
FB_ACTIVATE_NXTOPEN
;
p_vout
->
p_sys
->
var_info
.
xoffset
=
0
;
p_vout
->
p_sys
->
var_info
.
yoffset
=
0
;
//??ask sam p_vout->p_sys->mode_info.sync = FB_SYNC_VERT_HIGH_ACT;
//???
if
(
ioctl
(
p_vout
->
p_sys
->
i_fb_dev
,
FBIOPUT_VSCREENINFO
,
&
var_info
)
)
if
(
ioctl
(
p_vout
->
p_sys
->
i_fb_dev
,
FBIOPUT_VSCREENINFO
,
&
p_vout
->
p_sys
->
var_info
)
)
{
intf_ErrMsg
(
"vout error: can't set framebuffer informations (%s)
\n
"
,
strerror
(
errno
)
);
close
(
p_vout
->
p_sys
->
i_fb_dev
);
...
...
@@ -223,7 +232,7 @@ static int FBOpenDisplay( vout_thread_t *p_vout )
/* Get some informations again, in the definitive configuration */
if
(
ioctl
(
p_vout
->
p_sys
->
i_fb_dev
,
FBIOGET_FSCREENINFO
,
&
fix_info
)
||
ioctl
(
p_vout
->
p_sys
->
i_fb_dev
,
FBIOGET_VSCREENINFO
,
&
var_info
)
)
ioctl
(
p_vout
->
p_sys
->
i_fb_dev
,
FBIOGET_VSCREENINFO
,
&
p_vout
->
p_sys
->
var_info
)
)
{
intf_ErrMsg
(
"vout error: can't get framebuffer informations (%s)
\n
"
,
strerror
(
errno
)
);
// ?? restore fb config
...
...
@@ -231,9 +240,10 @@ static int FBOpenDisplay( vout_thread_t *p_vout )
return
(
1
);
}
p_vout
->
i_width
=
var_info
.
xres
;
p_vout
->
i_height
=
var_info
.
yres
;
p_vout
->
i_screen_depth
=
var_info
.
bits_per_pixel
;
p_vout
->
i_width
=
p_vout
->
p_sys
->
var_info
.
xres
;
p_vout
->
i_height
=
p_vout
->
p_sys
->
var_info
.
yres
;
p_vout
->
i_bytes_per_line
=
p_vout
->
i_width
*
2
;
p_vout
->
i_screen_depth
=
p_vout
->
p_sys
->
var_info
.
bits_per_pixel
;
switch
(
p_vout
->
i_screen_depth
)
{
case
15
:
/* 15 bpp (16bpp with a missing green bit) */
...
...
@@ -255,38 +265,43 @@ static int FBOpenDisplay( vout_thread_t *p_vout )
return
(
1
);
break
;
}
p_vout
->
p_sys
->
i_page_size
=
var_info
.
xres
*
var_info
.
yres
*
p_vout
->
i_bytes_per_pixel
;
p_vout
->
p_sys
->
i_page_size
=
p_vout
->
p_sys
->
var_info
.
xres
*
p_vout
->
p_sys
->
var_info
.
yres
*
p_vout
->
i_bytes_per_pixel
;
/* Map two framebuffers a the very beginning of the fb */
p_vout
->
p_sys
->
p_video
=
mmap
(
0
,
p_vout
->
p_sys
->
i_page_size
*
2
,
PROT_READ
|
PROT_WRITE
,
MAP_SHARED
,
p_vout
->
p_sys
->
i_fb_dev
,
0
);
if
(
p_vout
->
p_sys
->
p_video
==
-
1
)
//?? according to man, it is -1. What about NULL ?
if
(
(
int
)
p_vout
->
p_sys
->
p_video
==
-
1
)
//?? according to man, it is -1. What about NULL ?
{
intf_ErrMsg
(
"vout error: can't map video memory (%s)
\n
"
,
strerror
(
errno
)
);
// ?? restore fb config
close
(
p_vout
->
p_sys
->
i_fb_dev
);
return
(
1
);
}
p_vout
->
p_sys
->
p_image
[
0
]
=
p_vout
->
p_sys
->
p_video
;
p_vout
->
p_sys
->
p_image
[
1
]
=
p_vout
->
p_sys
->
p_video
+
p_vout
->
p_sys
->
i_page_size
;
intf_DbgMsg
(
"framebuffer type=%d, visual=%d, ypanstep=%d, ywrap=%d, accel=%d
\n
"
,
fix_info
.
type
,
fix_info
.
visual
,
fix_info
.
ypanstep
,
fix_info
.
ywrapstep
,
fix_info
.
accel
);
intf_Msg
(
"vout: framebuffer display initialized (%s), %dx%d depth=%d bpp
\n
"
,
fix_info
.
id
,
p_vout
->
i_width
,
p_vout
->
i_height
,
p_vout
->
i_screen_depth
);
return
(
0
);
}
/******************************************************************************
*
/******************************************************************************
* FBCloseDisplay: close and reset framebuffer device
******************************************************************************
*
*
This function returns all resources allocated by FBOpenDisplay and restore
*
the original
state of the device.
******************************************************************************
*
/
******************************************************************************
*
Returns all resources allocated by FBOpenDisplay and restore the original
* state of the device.
******************************************************************************/
static
void
FBCloseDisplay
(
vout_thread_t
*
p_vout
)
{
//?? unmap memory
//?? restore original mode
// Free font info
free
(
p_vout
->
p_sys
->
pi_font
);
// Destroy window and close display
close
(
p_vout
->
p_sys
->
i_fb_dev
);
}
src/video_output/video_output.c
View file @
665782c8
/******************************************************************************
*
/******************************************************************************
* video_output.c : video output thread
* (c)2000 VideoLAN
******************************************************************************
*
******************************************************************************
* This module describes the programming interface for video output threads.
* It includes functions allowing to open a new thread, send pictures to a
* thread, and destroy a previously oppenned video output thread.
******************************************************************************
*
/
******************************************************************************/
/******************************************************************************
*
/******************************************************************************
* Preamble
******************************************************************************
*
/
******************************************************************************/
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
...
...
@@ -26,9 +26,9 @@
#include "intf_msg.h"
#include "main.h"
/******************************************************************************
*
/******************************************************************************
* Local prototypes
******************************************************************************
*
/
******************************************************************************/
static
int
InitThread
(
vout_thread_t
*
p_vout
);
static
void
RunThread
(
vout_thread_t
*
p_vout
);
static
void
ErrorThread
(
vout_thread_t
*
p_vout
);
...
...
@@ -40,14 +40,14 @@ static int RenderIdle ( vout_thread_t *p_vout, boolean_t b_bla
static
int
RenderInfo
(
vout_thread_t
*
p_vout
,
boolean_t
b_balnk
);
static
int
Manage
(
vout_thread_t
*
p_vout
);
/******************************************************************************
*
/******************************************************************************
* vout_CreateThread: creates a new video output thread
******************************************************************************
*
******************************************************************************
* This function creates a new video output thread, and returns a pointer
* to its description. On error, it returns NULL.
* If pi_status is NULL, then the function will block until the thread is ready.
* If not, it will be updated using one of the THREAD_* constants.
******************************************************************************
*
/
******************************************************************************/
vout_thread_t
*
vout_CreateThread
(
char
*
psz_display
,
int
i_root_window
,
int
i_width
,
int
i_height
,
int
*
pi_status
)
{
...
...
@@ -143,14 +143,14 @@ vout_thread_t * vout_CreateThread ( char *psz_display, int i_root_
return
(
p_vout
);
}
/******************************************************************************
*
/******************************************************************************
* vout_DestroyThread: destroys a previously created thread
******************************************************************************
*
******************************************************************************
* Destroy a terminated thread.
* The function will request a destruction of the specified thread. If pi_error
* is NULL, it will return once the thread is destroyed. Else, it will be
* update using one of the THREAD_* constants.
******************************************************************************
*
/
******************************************************************************/
void
vout_DestroyThread
(
vout_thread_t
*
p_vout
,
int
*
pi_status
)
{
int
i_status
;
/* thread status */
...
...
@@ -174,13 +174,13 @@ void vout_DestroyThread( vout_thread_t *p_vout, int *pi_status )
}
}
/******************************************************************************
*
/******************************************************************************
* vout_DisplaySubtitle: display a subtitle
******************************************************************************
*
******************************************************************************
* Remove the reservation flag of a subtitle, which will cause it to be ready for
* display. The picture does not need to be locked, since it is ignored by
* the output thread if is reserved.
******************************************************************************
*
/
******************************************************************************/
void
vout_DisplaySubtitle
(
vout_thread_t
*
p_vout
,
subtitle_t
*
p_sub
)
{
#ifdef DEBUG_VIDEO
...
...
@@ -207,28 +207,28 @@ void vout_DisplaySubtitle( vout_thread_t *p_vout, subtitle_t *p_sub )
#endif
}
/******************************************************************************
*
/******************************************************************************
* vout_CreateSubtitle: allocate a subtitle in the video output heap.
******************************************************************************
*
******************************************************************************
* This function create a reserved subtitle in the video output heap.
* A null pointer is returned if the function fails. This method provides an
* already allocated zone of memory in the subtitle data fields. It needs locking
* since several pictures can be created by several producers threads.
******************************************************************************
*
/
******************************************************************************/
subtitle_t
*
vout_CreateSubtitle
(
vout_thread_t
*
p_vout
,
int
i_type
,
int
i_size
)
{
//???
}
/******************************************************************************
*
/******************************************************************************
* vout_DestroySubtitle: remove a permanent or reserved subtitle from the heap
******************************************************************************
*
******************************************************************************
* This function frees a previously reserved subtitle.
* It is meant to be used when the construction of a picture aborted.
* This function does not need locking since reserved subtitles are ignored by
* the output thread.
******************************************************************************
*
/
******************************************************************************/
void
vout_DestroySubtitle
(
vout_thread_t
*
p_vout
,
subtitle_t
*
p_sub
)
{
#ifdef DEBUG
...
...
@@ -246,13 +246,13 @@ void vout_DestroySubtitle( vout_thread_t *p_vout, subtitle_t *p_sub )
#endif
}
/******************************************************************************
*
/******************************************************************************
* vout_DisplayPicture: display a picture
******************************************************************************
*
******************************************************************************
* Remove the reservation flag of a picture, which will cause it to be ready for
* display. The picture won't be displayed until vout_DatePicture has been
* called.
******************************************************************************
*
/
******************************************************************************/
void
vout_DisplayPicture
(
vout_thread_t
*
p_vout
,
picture_t
*
p_pic
)
{
vlc_mutex_lock
(
&
p_vout
->
picture_lock
);
...
...
@@ -278,13 +278,13 @@ void vout_DisplayPicture( vout_thread_t *p_vout, picture_t *p_pic )
vlc_mutex_unlock
(
&
p_vout
->
picture_lock
);
}
/******************************************************************************
*
/******************************************************************************
* vout_DatePicture: date a picture
******************************************************************************
*
******************************************************************************
* Remove the reservation flag of a picture, which will cause it to be ready for
* display. The picture won't be displayed until vout_DisplayPicture has been
* called.
******************************************************************************
*
/
******************************************************************************/
void
vout_DatePicture
(
vout_thread_t
*
p_vout
,
picture_t
*
p_pic
,
mtime_t
date
)
{
vlc_mutex_lock
(
&
p_vout
->
picture_lock
);
...
...
@@ -311,14 +311,14 @@ void vout_DatePicture( vout_thread_t *p_vout, picture_t *p_pic, mtime_t date )
vlc_mutex_unlock
(
&
p_vout
->
picture_lock
);
}
/******************************************************************************
*
/******************************************************************************
* vout_CreatePicture: allocate a picture in the video output heap.
******************************************************************************
*
******************************************************************************
* This function create a reserved image in the video output heap.
* A null pointer is returned if the function fails. This method provides an
* already allocated zone of memory in the picture data fields. It needs locking
* since several pictures can be created by several producers threads.
******************************************************************************
*
/
******************************************************************************/
picture_t
*
vout_CreatePicture
(
vout_thread_t
*
p_vout
,
int
i_type
,
int
i_width
,
int
i_height
)
{
...
...
@@ -456,15 +456,15 @@ picture_t *vout_CreatePicture( vout_thread_t *p_vout, int i_type,
return
(
NULL
);
}
/******************************************************************************
*
/******************************************************************************
* vout_DestroyPicture: remove a permanent or reserved picture from the heap
******************************************************************************
*
******************************************************************************
* This function frees a previously reserved picture or a permanent
* picture. It is meant to be used when the construction of a picture aborted.
* Note that the picture will be destroyed even if it is linked !
* This function does not need locking since reserved pictures are ignored by
* the output thread.
******************************************************************************
*
/
******************************************************************************/
void
vout_DestroyPicture
(
vout_thread_t
*
p_vout
,
picture_t
*
p_pic
)
{
#ifdef DEBUG
...
...
@@ -484,12 +484,12 @@ void vout_DestroyPicture( vout_thread_t *p_vout, picture_t *p_pic )
#endif
}
/******************************************************************************
*
/******************************************************************************
* vout_LinkPicture: increment reference counter of a picture
******************************************************************************
*
******************************************************************************
* This function increment the reference counter of a picture in the video
* heap. It needs a lock since several producer threads can access the picture.
******************************************************************************
*
/
******************************************************************************/
void
vout_LinkPicture
(
vout_thread_t
*
p_vout
,
picture_t
*
p_pic
)
{
vlc_mutex_lock
(
&
p_vout
->
picture_lock
);
...
...
@@ -502,11 +502,11 @@ void vout_LinkPicture( vout_thread_t *p_vout, picture_t *p_pic )
vlc_mutex_unlock
(
&
p_vout
->
picture_lock
);
}
/******************************************************************************
*
/******************************************************************************
* vout_UnlinkPicture: decrement reference counter of a picture
******************************************************************************
*
******************************************************************************
* This function decrement the reference counter of a picture in the video heap.
******************************************************************************
*
/
******************************************************************************/
void
vout_UnlinkPicture
(
vout_thread_t
*
p_vout
,
picture_t
*
p_pic
)
{
vlc_mutex_lock
(
&
p_vout
->
picture_lock
);
...
...
@@ -534,13 +534,13 @@ void vout_UnlinkPicture( vout_thread_t *p_vout, picture_t *p_pic )
/* following functions are local */
/******************************************************************************
*
/******************************************************************************
* InitThread: initialize video output thread
******************************************************************************
*
******************************************************************************
* This function is called from RunThread and performs the second step of the
* initialization. It returns 0 on success. Note that the thread's flag are not
* modified inside this function.
******************************************************************************
*
/
******************************************************************************/
static
int
InitThread
(
vout_thread_t
*
p_vout
)
{
int
i_index
;
/* generic index */
...
...
@@ -579,13 +579,13 @@ static int InitThread( vout_thread_t *p_vout )
return
(
0
);
}
/******************************************************************************
*
/******************************************************************************
* RunThread: video output thread
******************************************************************************
*
******************************************************************************
* Video output thread. This function does only returns when the thread is
* terminated. It handles the pictures arriving in the video heap and the
* display device events.
******************************************************************************
*
/
******************************************************************************/
static
void
RunThread
(
vout_thread_t
*
p_vout
)
{
int
i_picture
;
/* picture index */
...
...
@@ -746,13 +746,13 @@ static void RunThread( vout_thread_t *p_vout)
intf_DbgMsg
(
"thread end
\n
"
);
}
/******************************************************************************
*
/******************************************************************************
* ErrorThread: RunThread() error loop
******************************************************************************
*
******************************************************************************
* This function is called when an error occured during thread main's loop. The
* thread can still receive feed, but must be ready to terminate as soon as
* possible.
******************************************************************************
*
/
******************************************************************************/
static
void
ErrorThread
(
vout_thread_t
*
p_vout
)
{
/* Wait until a `die' order */
...
...
@@ -764,12 +764,12 @@ static void ErrorThread( vout_thread_t *p_vout )
}
}
/******************************************************************************
*
/******************************************************************************
* EndThread: thread destruction
******************************************************************************
*
******************************************************************************
* This function is called when the thread ends after a sucessfull
* initialization.
******************************************************************************
*
/
******************************************************************************/
static
void
EndThread
(
vout_thread_t
*
p_vout
)
{
int
*
pi_status
;
/* thread status */
...
...
@@ -801,12 +801,12 @@ static void EndThread( vout_thread_t *p_vout )
*
pi_status
=
THREAD_OVER
;
}
/******************************************************************************
*
/******************************************************************************
* RenderBlank: render a blank screen
******************************************************************************
*
******************************************************************************
* This function is called by all other rendering functions when they arrive on
* a non blanked screen.
******************************************************************************
*
/
******************************************************************************/
static
void
RenderBlank
(
vout_thread_t
*
p_vout
)
{
//?? toooooo slow
...
...
@@ -844,14 +844,14 @@ static void RenderBlank( vout_thread_t *p_vout )
}
/******************************************************************************
*
/******************************************************************************
* RenderPicture: render a picture
******************************************************************************
*
******************************************************************************
* This function convert a picture from a video heap to a pixel-encoded image
* and copy it to the current rendering buffer. No lock is required, since the
* rendered picture has been determined as existant, and will only be destroyed
* by the vout thread later.
******************************************************************************
*
/
******************************************************************************/
static
int
RenderPicture
(
vout_thread_t
*
p_vout
,
picture_t
*
p_pic
,
boolean_t
b_blank
)
{
int
i_display_height
,
i_display_width
;
/* display dimensions */
...
...
@@ -953,12 +953,12 @@ static int RenderPicture( vout_thread_t *p_vout, picture_t *p_pic, boolean_t b_b
return
(
1
);
}
/******************************************************************************
*
/******************************************************************************
* RenderPictureInfo: print additionnal informations on a picture
******************************************************************************
*
******************************************************************************
* This function will print informations such as fps and other picture
* dependant informations.
******************************************************************************
*
/
******************************************************************************/
static
int
RenderPictureInfo
(
vout_thread_t
*
p_vout
,
picture_t
*
p_pic
,
boolean_t
b_blank
)
{
char
psz_buffer
[
256
];
/* string buffer */
...
...
@@ -1004,11 +1004,11 @@ static int RenderPictureInfo( vout_thread_t *p_vout, picture_t *p_pic, boolean_t
return
(
0
);
}
/******************************************************************************
*
/******************************************************************************
* RenderIdle: render idle picture
******************************************************************************
*
******************************************************************************
* This function will clear the display or print a logo.
******************************************************************************
*
/
******************************************************************************/
static
int
RenderIdle
(
vout_thread_t
*
p_vout
,
boolean_t
b_blank
)
{
/* Blank screen if required */
...
...
@@ -1026,12 +1026,12 @@ static int RenderIdle( vout_thread_t *p_vout, boolean_t b_blank )
return
(
0
);
}
/******************************************************************************
*
/******************************************************************************
* RenderInfo: render additionnal informations
******************************************************************************
*
******************************************************************************
* This function render informations which do not depend of the current picture
* rendered.
******************************************************************************
*
/
******************************************************************************/
static
int
RenderInfo
(
vout_thread_t
*
p_vout
,
boolean_t
b_blank
)
{
char
psz_buffer
[
256
];
/* string buffer */
...
...
@@ -1068,11 +1068,11 @@ static int RenderInfo( vout_thread_t *p_vout, boolean_t b_blank )
return
(
0
);
}
/******************************************************************************
*
/******************************************************************************
* Manage: manage thread
******************************************************************************
*
******************************************************************************
* This function will handle changes in thread configuration.
******************************************************************************
*
/
******************************************************************************/
static
int
Manage
(
vout_thread_t
*
p_vout
)
{
/* On gamma or grayscale change, rebuild tables */
...
...
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