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vlc-gpu
Commit 665782c8 authored by Sam Hocevar's avatar Sam Hocevar
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l'output framebuffer fonctionne presque. 

 ca va *pas* merder.
parent 4ffdf05c
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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>
......@@ -32,208 +31,219 @@
#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 */
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;
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 ) );
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 );
}
/* Open and initialize device */
if( FBOpenDisplay( p_vout ) )
{
intf_ErrMsg("vout error: can't open display\n");
intf_ErrMsg("vout error: can't open display\n");
free( p_vout->p_sys );
return( 1 );
return( 1 );
}
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_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_SysCreateOutputMethod
*******************************************************************************/
/******************************************************************************
* vout_SysDestroy: destroy FB video thread output method
******************************************************************************
* Terminate an output method created by vout_FBCreateOutputMethod
******************************************************************************/
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 )
{
//??
return( 0 );
/* XXX */
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 buffers, 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 );
psz_device = main_GetPszVariable( VOUT_FB_DEV_VAR, VOUT_FB_DEV_DEFAULT );
p_vout->p_sys->i_fb_dev = open( psz_device, O_RDWR);
if( p_vout->p_sys->i_fb_dev == -1 )
{
intf_ErrMsg("vout error: can't open %s (%s)\n", psz_device, strerror(errno) );
return( 1 );
}
return( 1 );
}
// ?? here would be the code used to save the current mode and
// ?? 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 );
close( p_vout->p_sys->i_fb_dev );
return( 1 );
}
/* Framebuffer must have some basic properties to be usable */
/* Framebuffer must have some basic properties to be usable */
//??
/* 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 );
return( 1 );
close( p_vout->p_sys->i_fb_dev );
return( 1 );
}
/* 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
close( p_vout->p_sys->i_fb_dev );
close( p_vout->p_sys->i_fb_dev );
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) */
......@@ -250,43 +260,48 @@ static int FBOpenDisplay( vout_thread_t *p_vout )
break;
default: /* unsupported screen depth */
intf_ErrMsg("vout error: screen depth %i is not supported\n",
p_vout->i_screen_depth);
intf_ErrMsg("vout error: screen depth %i is not supported\n",
p_vout->i_screen_depth);
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->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 );
return( 1 );
}
intf_DbgMsg("framebuffer type=%d, visual=%d, ypanstep=%d, ywrap=%d, accel=%d\n",
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 );
}
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
close( p_vout->p_sys->i_fb_dev );
// 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 );
......@@ -40,19 +40,19 @@ 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 )
{
vout_thread_t * p_vout; /* thread descriptor */
int i_status; /* thread status */
vout_thread_t * p_vout; /* thread descriptor */
int i_status; /* thread status */
/* Allocate descriptor */
intf_DbgMsg("\n");
......@@ -143,17 +143,17 @@ 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 */
int i_status; /* thread status */
/* Set status */
intf_DbgMsg("\n");
......@@ -174,18 +174,18 @@ 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
char psz_begin_date[MSTRTIME_MAX_SIZE]; /* buffer for date string */
char psz_end_date[MSTRTIME_MAX_SIZE]; /* buffer for date string */
char psz_begin_date[MSTRTIME_MAX_SIZE]; /* buffer for date string */
char psz_end_date[MSTRTIME_MAX_SIZE]; /* buffer for date string */
#endif
#ifdef DEBUG
......@@ -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 );
......@@ -311,21 +311,21 @@ 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 )
{
int i_picture; /* picture index */
int i_chroma_width = 0; /* chroma width */
picture_t * p_free_picture = NULL; /* first free picture */
picture_t * p_destroyed_picture = NULL; /* first destroyed picture */
int i_picture; /* picture index */
int i_chroma_width = 0; /* chroma width */
picture_t * p_free_picture = NULL; /* first free picture */
picture_t * p_destroyed_picture = NULL; /* first destroyed picture */
/* Get lock */
vlc_mutex_lock( &p_vout->picture_lock );
......@@ -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 );
......@@ -534,16 +534,16 @@ 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 */
int i_index; /* generic index */
/* Update status */
intf_DbgMsg("\n");
......@@ -579,20 +579,20 @@ 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 */
mtime_t current_date; /* current date */
mtime_t pic_date = 0; /* picture date */
boolean_t b_display; /* display flag */
picture_t * p_pic; /* picture pointer */
int i_picture; /* picture index */
mtime_t current_date; /* current date */
mtime_t pic_date = 0; /* picture date */
boolean_t b_display; /* display flag */
picture_t * p_pic; /* picture pointer */
/*
* Initialize thread and free configuration
......@@ -600,7 +600,7 @@ static void RunThread( vout_thread_t *p_vout)
p_vout->b_error = InitThread( p_vout );
if( p_vout->b_error )
{
free( p_vout ); /* destroy descriptor */
free( p_vout ); /* destroy descriptor */
return;
}
intf_DbgMsg("\n");
......@@ -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 */
......@@ -764,15 +764,15 @@ 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 */
int * pi_status; /* thread status */
int i_picture;
/* Store status */
......@@ -801,18 +801,18 @@ 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
int i_index; /* current 64 bits sample */
int i_width; /* number of 64 bits samples */
u64 *p_pic; /* pointer to 64 bits samples */
int i_index; /* current 64 bits sample */
int i_width; /* number of 64 bits samples */
u64 *p_pic; /* pointer to 64 bits samples */
/* Initialize variables */
p_pic = vout_SysGetPicture( p_vout );
......@@ -844,22 +844,22 @@ 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 */
int i_height, i_width; /* source picture dimensions */
int i_scaled_height; /* scaled height of the picture */
int i_aspect_scale; /* aspect ratio vertical scale */
int i_eol; /* end of line offset for source */
byte_t * p_convert_dst; /* convertion destination */
int i_display_height, i_display_width; /* display dimensions */
int i_height, i_width; /* source picture dimensions */
int i_scaled_height; /* scaled height of the picture */
int i_aspect_scale; /* aspect ratio vertical scale */
int i_eol; /* end of line offset for source */
byte_t * p_convert_dst; /* convertion destination */
#ifdef STATS
/* Start recording render time */
......@@ -953,15 +953,15 @@ 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 */
char psz_buffer[256]; /* string buffer */
#ifdef STATS
/*
......@@ -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 */
......@@ -1026,19 +1026,19 @@ 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 */
char psz_buffer[256]; /* string buffer */
#ifdef DEBUG
int i_ready_pic = 0; /* ready pictures */
int i_reserved_pic = 0; /* reserved pictures */
int i_picture; /* picture index */
int i_ready_pic = 0; /* ready pictures */
int i_reserved_pic = 0; /* reserved pictures */
int i_picture; /* picture index */
#endif
#ifdef DEBUG
......@@ -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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