videolan
/
vlc
mirror of https://gitea.goldendeliverer.com/videolan/vlc.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

Toujours du nettoyage. 

Une API pour les sous titres.
pull/2/head
Vincent Seguin 27 years ago
parent
653053d270
commit
57509f7586
9 changed files with 297 additions and 240 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 9
      include/config.h
  2. 38
      include/video.h
  3. 79
      include/video_output.h
  4. 2
      include/video_yuv.h
  5. 11
      src/interface/main.c
  6. 8
      src/video_output/video_ggi.c
  7. 365
      src/video_output/video_output.c
  8. 23
      src/video_output/video_x11.c
  9. 2
      src/video_output/video_yuv.c

9
include/config.h
View File

@ -120,9 +120,8 @@
#define INTF_IDLE_SLEEP 100000
/* Factor for changing gamma, and minimum and maximum values */
#define INTF_GAMMA_FACTOR 1.1
#define INTF_GAMMA_MIN 0.1
#define INTF_GAMMA_MAX 10
#define INTF_GAMMA_FACTOR .1
#define INTF_GAMMA_MAX 3
/*
* X11 settings
@ -247,7 +246,7 @@
#define VOUT_GRAYSCALE_DEFAULT 0
/* Default gamma */
#define VOUT_GAMMA 1.
#define VOUT_GAMMA 0.
/*
* Time settings
@ -338,7 +337,7 @@
/* Define to enable messages queues - disabling messages queue can be usefull
* when debugging, since it allows messages which would not otherwise be printed,
* due to a crash, to be printed anyway */
//#define INTF_MSG_QUEUE
#define INTF_MSG_QUEUE
/* Format of the header for debug messages. The arguments following this header
* are the file (char *), the function (char *) and the line (int) in which the

38
include/video.h
View File

@ -24,7 +24,7 @@ typedef u8 yuv_data_t;
* Picture type and flags should only be modified by the output thread. Note
* that an empty picture MUST have its flags set to 0.
*******************************************************************************/
typedef struct
typedef struct picture_s
{
/* Type and flags - should NOT be modified except by the vout thread */
int i_type; /* picture type */
@ -69,7 +69,6 @@ typedef struct
yuv_data_t * p_v; /* pointer to beginning of V image in p_data */
} picture_t;
/* Pictures types */
#define EMPTY_PICTURE 0 /* picture slot is empty and available */
#define YUV_420_PICTURE 100 /* 4:2:0 YUV picture */
@ -88,3 +87,38 @@ typedef struct
#define AR_3_4_PICTURE 2 /* 3:4 picture (TV) */
#define AR_16_9_PICTURE 3 /* 16:9 picture (wide screen) */
#define AR_221_1_PICTURE 4 /* 2.21:1 picture (movie) */
/*******************************************************************************
* subtitle_t: video subtitle
*******************************************************************************
* Any subtitle destined to be displayed by a video output thread should be
* stored in this structure from it's creation to it's effective display.
* Subtitle type and flags should only be modified by the output thread. Note
* that an empty subtitle MUST have its flags set to 0.
*******************************************************************************/
typedef struct subtitle_s
{
/* Type and flags - should NOT be modified except by the vout thread */
int i_type; /* subtitle type */
int i_status; /* subtitle flags */
/* Other properties */
mtime_t begin_date; /* beginning of display date */
mtime_t end_date; /* end of display date */
/* Subtitle data - data can always be freely modified. p_data itself
* (the pointer) should NEVER be modified. */
void * p_data; /* subtitle data */
} subtitle_t;
/* Subtitle types */
#define EMPTY_SUBTITLE 0 /* subtitle slot is empty and available */
#define RLE_SUBTITLE 100 /* RLE encoded subtitle */
/* Subtitle status */
#define FREE_SUBTITLE 0 /* subtitle is free and not allocated */
#define RESERVED_SUBTITLE 1 /* subtitle is allocated and reserved */
#define READY_SUBTITLE 2 /* subtitle is ready for display */
#define DISPLAYED_SUBTITLE 3 /* subtitle has been displayed but is linked */
#define DESTROYED_SUBTITLE 4 /* subtitle is allocated but no more used */

79
include/video_output.h
View File

@ -84,46 +84,40 @@ typedef struct vout_thread_s
boolean_t b_die; /* `die' flag */
boolean_t b_error; /* `error' flag */
boolean_t b_active; /* `active' flag */
pthread_t thread_id; /* id for pthread functions */
pthread_mutex_t lock; /* thread lock */
vlc_thread_t thread_id; /* id for pthread functions */
vlc_mutex_t picture_lock; /* picture heap lock */
vlc_mutex_t subtitle_lock; /* subtitle heap lock */
int * pi_status; /* temporary status flag */
p_vout_sys_t p_sys; /* system output method */
/* Current display properties */
boolean_t b_info; /* print additionnal informations */
boolean_t b_grayscale; /* color or grayscale display */
boolean_t b_info; /* print additionnal informations */
boolean_t b_grayscale; /* color or grayscale display */
int i_width; /* current output method width */
int i_height; /* current output method height */
int i_bytes_per_line;/* bytes per line (including virtual) */
int i_screen_depth; /* bits per pixel - FIXED */
int i_bytes_per_pixel; /* real screen depth - FIXED */
int i_bytes_per_line;/* bytes per line (including virtual) */
int i_screen_depth; /* bits per pixel */
int i_bytes_per_pixel; /* real screen depth */
float f_x_ratio; /* horizontal display ratio */
float f_y_ratio; /* vertical display ratio */
float f_gamma; /* gamma */
/* Changed properties values - some of them are treated directly by the
* thread, the over may be ignored or handled by vout_SysManage */
//?? info, grayscale, width, height, bytes per line, x ratio, y ratio, gamma
boolean_t b_gamma_change; /* gamma change indicator */
int i_new_width; /* new width */
int i_new_height; /* new height */
float f_gamma; /* gamma */
#ifdef STATS
/* Statistics - these numbers are not supposed to be accurate, but are a
* good indication of the thread status */
count_t c_loops; /* number of loops */
count_t c_idle_loops; /* number of idle loops */
count_t c_fps_samples; /* picture counts */
mtime_t loop_time; /* last picture loop time */
count_t c_fps_samples; /* picture counts */
mtime_t fps_sample[ VOUT_FPS_SAMPLES ]; /* FPS samples dates */
#endif
#ifdef DEBUG_VIDEO
/* Additionnal video debugging informations */
mtime_t picture_render_time; /* last picture rendering time */
#endif
/* Video heap and translation tables */
/* Running properties */
u16 i_changes; /* changes made to the thread */
mtime_t last_picture_date; /* last picture display date */
mtime_t last_idle_date; /* last idle screen displaydate */
/* Videos heap and translation tables */
picture_t p_picture[VOUT_MAX_PICTURES]; /* pictures */
subtitle_t p_subtitle[VOUT_MAX_PICTURES]; /* subtitles */
vout_tables_t tables; /* translation tables */
vout_convert_t * p_ConvertYUV420; /* YUV 4:2:0 converter */
vout_convert_t * p_ConvertYUV422; /* YUV 4:2:2 converter */
@ -131,25 +125,34 @@ typedef struct vout_thread_s
vout_scale_t * p_Scale; /* scaler */
} vout_thread_t;
/* Flags for changes - these flags are set in the i_changes field when another
* thread changed a variable */
#define VOUT_INFO_CHANGE 0x0001 /* b_info changed */
#define VOUT_GRAYSCALE_CHANGE 0x0002 /* b_grayscale changed */
#define VOUT_SIZE_CHANGE 0x0004 /* size changed */
#define VOUT_DEPTH_CHANGE 0x0008 /* depth changed */
#define VOUT_RATIO_CHANGE 0x0010 /* display ratio changed */
#define VOUT_GAMMA_CHANGE 0x0020 /* gamma changed */
/*******************************************************************************
* Prototypes
*******************************************************************************/
vout_thread_t * vout_CreateThread (
vout_thread_t * vout_CreateThread (
#ifdef VIDEO_X11
char *psz_display, Window root_window,
char *psz_display, Window root_window,
#endif
int i_width, int i_height, int *pi_status
);
void vout_DestroyThread ( vout_thread_t *p_vout, int *pi_status );
picture_t * vout_CreatePicture ( vout_thread_t *p_vout, int i_type,
int i_width, int i_height );
void vout_DestroyPicture ( vout_thread_t *p_vout, picture_t *p_pic );
void vout_DisplayPicture ( vout_thread_t *p_vout, picture_t *p_pic );
void vout_LinkPicture ( vout_thread_t *p_vout, picture_t *p_pic );
void vout_UnlinkPicture ( vout_thread_t *p_vout, picture_t *p_pic );
int i_width, int i_height, int *pi_status
);
void vout_DestroyThread ( vout_thread_t *p_vout, int *pi_status );
picture_t * vout_CreatePicture ( vout_thread_t *p_vout, int i_type,
int i_width, int i_height );
void vout_DestroyPicture ( vout_thread_t *p_vout, picture_t *p_pic );
void vout_DisplayPicture ( vout_thread_t *p_vout, picture_t *p_pic );
void vout_LinkPicture ( vout_thread_t *p_vout, picture_t *p_pic );
void vout_UnlinkPicture ( vout_thread_t *p_vout, picture_t *p_pic );
subtitle_t * vout_CreateSubtitle ( vout_thread_t *p_vout, int i_type, int i_size );
void vout_DestroySubtitle ( vout_thread_t *p_vout, subtitle_t *p_sub );
void vout_DisplaySubtitle ( vout_thread_t *p_vout, subtitle_t *p_sub );

2
include/video_yuv.h
View File

@ -33,5 +33,5 @@ void ConvertYUV420RGB16MMX( u8* p_y, u8* p_u, u8 *p_v,
unsigned int i_ypitch, unsigned int i_vpitch,
unsigned int i_aspect, u8 *p_pic,
u32 i_dci_offset, u32 i_offset_to_line_0,
int CCOPitch, int i_colortype );
int i_pitch, int i_colortype );
#endif

11
src/interface/main.c
View File

@ -421,6 +421,17 @@ static void Usage( void )
intf_Msg("VLANs (Virtual Local Aera Networks) parameters:\n" \
" vlan_server=<host>[:<port>] VLANs server address and port\n" \
);
/* Interfaces keys */
intf_Msg("Interface keys: most interface accept the following commands:\n" \
" [esc], q quit\n" \
" +, - change volume\n" \
" m mute\n" \
" f fullscreen\n" \
" 0 - 9 select channel\n" \
" [space] toggle info printing\n" \
" g, G change gamma\n" \
);
}
/*******************************************************************************

8
src/video_output/video_ggi.c
View File

@ -122,15 +122,11 @@ void vout_SysDestroy( vout_thread_t *p_vout )
* vout_SysManage: handle Sys events
*******************************************************************************
* This function should be called regularly by video output thread. 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.
* a non null value if an error occured.
*******************************************************************************/
int vout_SysManage( vout_thread_t *p_vout )
{
//??
return( 0 );
return( 0 );
}
/*******************************************************************************

365
src/video_output/video_output.c
View File

@ -39,7 +39,9 @@ static void ErrorThread ( vout_thread_t *p_vout );
static void EndThread ( vout_thread_t *p_vout );
static void RenderPicture ( vout_thread_t *p_vout, picture_t *p_pic );
static void RenderPictureInfo ( vout_thread_t *p_vout, picture_t *p_pic );
static int RenderIdle ( vout_thread_t *p_vout, int i_level );
static int RenderIdle ( vout_thread_t *p_vout );
static int RenderInfo ( vout_thread_t *p_vout );
static int Manage ( vout_thread_t *p_vout );
/*******************************************************************************
* vout_CreateThread: creates a new video output thread
@ -112,20 +114,15 @@ vout_thread_t * vout_CreateThread (
p_vout->i_bytes_per_pixel, p_vout->i_bytes_per_line,
p_vout->f_x_ratio, p_vout->f_y_ratio, p_vout->b_grayscale );
/* Initialize changement properties */
p_vout->b_gamma_change = 0;
p_vout->i_new_width = p_vout->i_width;
p_vout->i_new_height = p_vout->i_height;
#ifdef STATS
/* Initialize statistics fields */
p_vout->c_loops = 0;
p_vout->c_idle_loops = 0;
p_vout->c_fps_samples = 0;
p_vout->loop_time = 0;
p_vout->c_fps_samples = 0;
#endif
/* Create thread and set locks */
vlc_mutex_init( &p_vout->lock );
vlc_mutex_init( &p_vout->picture_lock );
vlc_mutex_init( &p_vout->subtitle_lock );
if( vlc_thread_create( &p_vout->thread_id, "video output",
(void *) RunThread, (void *) p_vout) )
{
@ -184,6 +181,78 @@ 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 */
#endif
#ifdef DEBUG
/* Check if status is valid */
if( p_sub->i_status != RESERVED_SUBTITLE )
{
intf_DbgMsg("error: subtitle %p has invalid status %d\n", p_sub, p_sub->i_status );
}
#endif
/* Remove reservation flag */
p_sub->i_status = READY_SUBTITLE;
#ifdef DEBUG_VIDEO
/* Send subtitle informations */
intf_DbgMsg("subtitle %p: type=%d, begin date=%s, end date=%s\n", p_sub, p_sub->i_type,
mstrtime( psz_begin_date, p_sub->begin_date ),
mstrtime( psz_end_date, p_sub->end_date ) );
#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
/* Check if subtitle status is valid */
if( p_sub->i_status != RESERVED_SUBTITLE )
{
intf_DbgMsg("error: subtitle %p has invalid status %d\n", p_sub, p_sub->i_status );
}
#endif
p_sub->i_status = DESTROYED_SUBTITLE;
#ifdef DEBUG_VIDEO
intf_DbgMsg("subtitle %p\n", p_sub);
#endif
}
/*******************************************************************************
* vout_DisplayPicture: display a picture
*******************************************************************************
@ -201,7 +270,7 @@ void vout_DisplayPicture( vout_thread_t *p_vout, picture_t *p_pic )
/* Check if picture status is valid */
if( p_pic->i_status != RESERVED_PICTURE )
{
intf_DbgMsg("error: picture %d has invalid status %d\n", p_pic, p_pic->i_status );
intf_DbgMsg("error: picture %p has invalid status %d\n", p_pic, p_pic->i_status );
}
#endif
@ -232,7 +301,7 @@ picture_t *vout_CreatePicture( vout_thread_t *p_vout, int i_type,
picture_t * p_destroyed_picture = NULL; /* first destroyed picture */
/* Get lock */
vlc_mutex_lock( &p_vout->lock );
vlc_mutex_lock( &p_vout->picture_lock );
/*
* Look for an empty place
@ -258,7 +327,7 @@ picture_t *vout_CreatePicture( vout_thread_t *p_vout, int i_type,
intf_DbgMsg("picture %p (in destroyed picture slot)\n",
&p_vout->p_picture[i_picture] );
#endif
vlc_mutex_unlock( &p_vout->lock );
vlc_mutex_unlock( &p_vout->picture_lock );
return( &p_vout->p_picture[i_picture] );
}
else if( p_destroyed_picture == NULL )
@ -350,13 +419,13 @@ picture_t *vout_CreatePicture( vout_thread_t *p_vout, int i_type,
#ifdef DEBUG_VIDEO
intf_DbgMsg("picture %p (in free picture slot)\n", p_free_picture );
#endif
vlc_mutex_unlock( &p_vout->lock );
vlc_mutex_unlock( &p_vout->picture_lock );
return( p_free_picture );
}
// No free or destroyed picture could be found
intf_DbgMsg( "warning: heap is full\n" );
vlc_mutex_unlock( &p_vout->lock );
vlc_mutex_unlock( &p_vout->picture_lock );
return( NULL );
}
@ -375,7 +444,7 @@ void vout_DestroyPicture( vout_thread_t *p_vout, picture_t *p_pic )
/* Check if picture status is valid */
if( p_pic->i_status != RESERVED_PICTURE )
{
intf_DbgMsg("error: picture %d has invalid status %d\n", p_pic, p_pic->i_status );
intf_DbgMsg("error: picture %p has invalid status %d\n", p_pic, p_pic->i_status );
}
#endif
@ -394,9 +463,9 @@ void vout_DestroyPicture( vout_thread_t *p_vout, picture_t *p_pic )
*******************************************************************************/
void vout_LinkPicture( vout_thread_t *p_vout, picture_t *p_pic )
{
vlc_mutex_lock( &p_vout->lock );
vlc_mutex_lock( &p_vout->picture_lock );
p_pic->i_refcount++;
vlc_mutex_unlock( &p_vout->lock );
vlc_mutex_unlock( &p_vout->picture_lock );
#ifdef DEBUG_VIDEO
intf_DbgMsg("picture %p\n", p_pic);
@ -410,13 +479,13 @@ void vout_LinkPicture( vout_thread_t *p_vout, picture_t *p_pic )
*******************************************************************************/
void vout_UnlinkPicture( vout_thread_t *p_vout, picture_t *p_pic )
{
vlc_mutex_lock( &p_vout->lock );
vlc_mutex_lock( &p_vout->picture_lock );
p_pic->i_refcount--;
if( (p_pic->i_refcount == 0) && (p_pic->i_status == DISPLAYED_PICTURE) )
{
p_pic->i_status = DESTROYED_PICTURE;
}
vlc_mutex_unlock( &p_vout->lock );
vlc_mutex_unlock( &p_vout->picture_lock );
#ifdef DEBUG_VIDEO
intf_DbgMsg("picture %p\n", p_pic);
@ -446,11 +515,13 @@ static int InitThread( vout_thread_t *p_vout )
return( 1 );
}
/* Initialize pictures */
/* Initialize pictures and subtitles */
for( i_index = 0; i_index < VOUT_MAX_PICTURES; i_index++)
{
p_vout->p_picture[i_index].i_type = EMPTY_PICTURE;
p_vout->p_picture[i_index].i_status= FREE_PICTURE;
p_vout->p_picture[i_index].i_type = EMPTY_PICTURE;
p_vout->p_picture[i_index].i_status = FREE_PICTURE;
p_vout->p_subtitle[i_index].i_type = EMPTY_SUBTITLE;
p_vout->p_subtitle[i_index].i_status= FREE_SUBTITLE;
}
/* Initialize convertion tables and functions */
@ -477,11 +548,8 @@ static int InitThread( vout_thread_t *p_vout )
static void RunThread( vout_thread_t *p_vout)
{
int i_picture; /* picture index */
int i_err; /* error code */
int i_idle_level = 0; /* idle level */
mtime_t current_date; /* current date */
mtime_t pic_date = 0; /* picture date */
mtime_t last_date = 0; /* last picture date */
boolean_t b_display; /* display flag */
picture_t * p_pic; /* picture pointer */
@ -506,6 +574,7 @@ static void RunThread( vout_thread_t *p_vout)
* since only READY_PICTURES are handled
*/
p_pic = NULL;
current_date = mdate();
for( i_picture = 0; i_picture < VOUT_MAX_PICTURES; i_picture++ )
{
if( (p_vout->p_picture[i_picture].i_status == READY_PICTURE) &&
@ -516,8 +585,7 @@ static void RunThread( vout_thread_t *p_vout)
pic_date = p_pic->date;
}
}
current_date = mdate();
/*
* Render picture if any
*/
@ -531,9 +599,9 @@ static void RunThread( vout_thread_t *p_vout)
{
/* Picture is late: it will be destroyed and the thread will sleep and
* go to next picture */
vlc_mutex_lock( &p_vout->lock );
vlc_mutex_lock( &p_vout->picture_lock );
p_pic->i_status = p_pic->i_refcount ? DISPLAYED_PICTURE : DESTROYED_PICTURE;
vlc_mutex_unlock( &p_vout->lock );
vlc_mutex_unlock( &p_vout->picture_lock );
#ifdef DEBUG_VIDEO
intf_DbgMsg( "warning: late picture %p skipped\n", p_pic );
#endif
@ -546,91 +614,72 @@ static void RunThread( vout_thread_t *p_vout)
* as if no picture were found. The picture state is unchanged */
p_pic = NULL;
}
else
{
/* Picture has not yet been displayed, and has a valid display
* date : render it, then mark it as displayed */
if( p_vout->b_active )
{
RenderPicture( p_vout, p_pic );
if( p_vout->b_info )
{
RenderPictureInfo( p_vout, p_pic );
}
}
vlc_mutex_lock( &p_vout->lock );
p_pic->i_status = p_pic->i_refcount ? DISPLAYED_PICTURE : DESTROYED_PICTURE;
vlc_mutex_unlock( &p_vout->lock );
}
}
/*
* Rebuild tables if gamma has changed
/*
* Perform rendering, sleep and display rendered picture
*/
if( p_vout->b_gamma_change )
if( p_pic )
{
//??
p_vout->b_gamma_change = 0;
vout_ResetTables( p_vout ); // ?? test return value
}
/* A picture is ready to be displayed : render it */
if( p_vout->b_active )
{
RenderPicture( p_vout, p_pic );
if( p_vout->b_info )
{
RenderPictureInfo( p_vout, p_pic );
RenderInfo( p_vout );
}
b_display = 1;
}
else
{
b_display = 0;
}
/* Remove picture from heap */
vlc_mutex_lock( &p_vout->picture_lock );
p_pic->i_status = p_pic->i_refcount ? DISPLAYED_PICTURE : DESTROYED_PICTURE;
vlc_mutex_unlock( &p_vout->picture_lock );
}
else
{
/* No picture. However, an idle screen may be ready to display */
b_display = p_vout->b_active && ( RenderIdle( p_vout ) |
( p_vout->b_info && RenderInfo( p_vout ) ));
}
/* Sleep a while or until a given date */
if( p_pic )
{
#ifdef STATS
/* Computes loop time */
p_vout->loop_time = mdate() - current_date;
#endif
mwait( pic_date );
}
else
{
msleep( VOUT_IDLE_SLEEP );
}
/* On awakening, send immediately picture to display */
if( b_display && p_vout->b_active )
{
vout_SysDisplay( p_vout );
}
/*
* Check events, sleep and display picture
* Check events and manage thread
*/
i_err = vout_SysManage( p_vout );
if( i_err < 0 )
if( vout_SysManage( p_vout ) | Manage( p_vout ) )
{
/* A fatal error occured, and the thread must terminate immediately,
* without displaying anything - setting b_error to 1 cause the
* immediate end of the main while() loop. */
p_vout->b_error = 1;
}
else
{
if( p_pic )
{
/* A picture is ready to be displayed : remove blank screen flag */
last_date = pic_date;
i_idle_level = 0;
b_display = 1;
/* Sleep until its display date */
mwait( pic_date );
}
else
{
/* If last picture was a long time ago, increase idle level, reset
* date and render idle screen */
if( !i_err && (current_date - last_date > VOUT_IDLE_DELAY) )
{
last_date = current_date;
b_display = p_vout->b_active && RenderIdle( p_vout, i_idle_level++ );
}
else
{
b_display = 0;
}
#ifdef STATS
/* Update counters */
p_vout->c_idle_loops++;
#endif
/* Sleep to wait for new pictures */
msleep( VOUT_IDLE_SLEEP );
}
/* On awakening, send immediately picture to display */
if( b_display && p_vout->b_active )
{
vout_SysDisplay( p_vout );
}
}
#ifdef STATS
/* Update counters */
p_vout->c_loops++;
#endif
}
}
/*
@ -709,12 +758,6 @@ static void EndThread( vout_thread_t *p_vout )
*******************************************************************************/
static void RenderPicture( vout_thread_t *p_vout, picture_t *p_pic )
{
#ifdef DEBUG_VIDEO
/* Send picture informations and store rendering start date */
intf_DbgMsg("picture %p\n", p_pic );
p_vout->picture_render_time = mdate();
#endif
/*
* Prepare scaling
*/
@ -724,8 +767,8 @@ static void RenderPicture( vout_thread_t *p_vout, picture_t *p_pic )
/* X11: window can be resized, so resize it - the picture won't be
* rendered since any alteration of the window size means recreating the
* XImages */
p_vout->i_new_width = p_pic->i_width;
p_vout->i_new_height = p_pic->i_height;
/* p_vout->i_new_width = p_pic->i_width;
p_vout->i_new_height = p_pic->i_height;*/
return;
#else
/* Other drivers: the video output thread can't change its size, so
@ -746,7 +789,7 @@ static void RenderPicture( vout_thread_t *p_vout, picture_t *p_pic )
4, p_pic->i_matrix_coefficients );
break;
case YUV_422_PICTURE:
/* ??? p_vout->p_convert_yuv_420( p_vout,
/* ??? p_vout->p_convert_yuv_420( p_vout,
p_pic->p_y, p_pic->p_u, p_pic->p_v,
i_chroma_width, i_chroma_height,
p_vout->i_width / 2, p_vout->i_height,
@ -772,11 +815,6 @@ static void RenderPicture( vout_thread_t *p_vout, picture_t *p_pic )
* Terminate scaling
*/
//??
#ifdef DEBUG_VIDEO
/* Computes rendering time */
p_vout->picture_render_time = mdate() - p_vout->picture_render_time;
#endif
}
@ -810,9 +848,8 @@ static void RenderPictureInfo( vout_thread_t *p_vout, picture_t *p_pic )
/*
* Print statistics in upper left corner
*/
sprintf( psz_buffer, "gamma=%.2f %ld frames (%.1f %% idle)",
p_vout->f_gamma, p_vout->c_fps_samples, p_vout->c_loops ?
(double ) p_vout->c_idle_loops * 100 / p_vout->c_loops : 100. );
sprintf( psz_buffer, "gamma=%.2f %ld frames",
p_vout->f_gamma, p_vout->c_fps_samples );
vout_SysPrint( p_vout, 0, 0, -1, -1, psz_buffer );
#endif
@ -838,67 +875,49 @@ static void RenderPictureInfo( vout_thread_t *p_vout, picture_t *p_pic )
#endif
#ifdef DEBUG_VIDEO
/*
* Print picture info in lower right corner
*/
switch( p_pic->i_type )
{
case YUV_420_PICTURE:
sprintf( psz_buffer, "YUV 4:2:0 picture, rendering time: %lu us",
(unsigned long) p_vout->picture_render_time );
break;
case YUV_422_PICTURE:
sprintf( psz_buffer, "YUV 4:2:2 picture, rendering time: %lu us",
(unsigned long) p_vout->picture_render_time );
break;
case YUV_444_PICTURE:
sprintf( psz_buffer, "YUV 4:4:4 picture, rendering time: %lu us",
(unsigned long) p_vout->picture_render_time );
break;
default:
sprintf( psz_buffer, "unknown picture, rendering time: %lu us",
(unsigned long) p_vout->picture_render_time );
break;
}
vout_SysPrint( p_vout, p_vout->i_width, p_vout->i_height, 1, 1, psz_buffer );
//??
#endif
}
/*******************************************************************************
* RenderIdle: render idle picture
*******************************************************************************
* This function will clear the display or print a logo. Level will vary from 0
* to a very high value that noone should never reach. It returns non 0 if
* something needs to be displayed and 0 if the previous picture can be kept.
* This function will clear the display or print a logo.
*******************************************************************************/
static int RenderIdle( vout_thread_t *p_vout, int i_level )
static int RenderIdle( vout_thread_t *p_vout )
{
byte_t *pi_pic; /* pointer to picture data */
/* Get frame pointer and clear display */
pi_pic = vout_SysGetPicture( p_vout );
switch( i_level )
{
case 0: /* level 0: clear screen */
memset( pi_pic, 0, p_vout->i_bytes_per_line * p_vout->i_height );
break;
case 1: /* level 1: "no stream" */
memset( pi_pic, 0, p_vout->i_bytes_per_line * p_vout->i_height );
vout_SysPrint( p_vout, p_vout->i_width / 2, p_vout->i_height / 2,
0, 0, "no stream" );
break;
case 50: /* level 50: copyright message */
memset( pi_pic, 0, p_vout->i_bytes_per_line * p_vout->i_height );
vout_SysPrint( p_vout, p_vout->i_width / 2, p_vout->i_height / 2,
0, 0, COPYRIGHT_MESSAGE );
break;
default: /* other levels: keep previous picture */
return( 0 );
break;
}
//??
return( 0 );
}
return( 1 );
/*******************************************************************************
* RenderInfo: render additionnal informations
*******************************************************************************
* ??
*******************************************************************************/
static int RenderInfo( vout_thread_t *p_vout )
{
//??
return( 0 );
}
/*******************************************************************************
* Manage: manage thread
*******************************************************************************
* ??
*******************************************************************************/
static int Manage( vout_thread_t *p_vout )
{
//??
/* Detect unauthorized changes */
if( p_vout->i_changes )
{
/* Some changes were not acknowledged by vout_SysManage or this function,
* it means they should not be authorized */
intf_ErrMsg( "error: unauthorized changes in the video output thread\n" );
return( 1 );
}
return( 0 );
}

23
src/video_output/video_x11.c
View File

@ -206,30 +206,25 @@ void vout_SysDestroy( vout_thread_t *p_vout )
* vout_SysManage: handle X11 events
*******************************************************************************
* This function should be called regularly by video output thread. It manages
* X11 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.
* X11 events and allows window resizing. It returns a non null value on
* error.
*******************************************************************************/
int vout_SysManage( vout_thread_t *p_vout )
{
if( (p_vout->i_width != p_vout->i_new_width) ||
(p_vout->i_height != p_vout->i_new_height) )
{
if( p_vout->i_changes & VOUT_SIZE_CHANGE )
{
p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
intf_DbgMsg("resizing window\n");
/* Resize window */
XResizeWindow( p_vout->p_sys->p_display, p_vout->p_sys->window,
p_vout->i_new_width, p_vout->i_new_height );
p_vout->i_width, p_vout->i_height );
/* Destroy then recreate XImages to change their size */
/* Destroy XImages to change their size */
vout_SysEnd( p_vout );
p_vout->i_width = p_vout->i_new_width;
p_vout->i_height = p_vout->i_new_height;
/* If SysInit failed, the thread can't go on. Otherwise, it won't display
* the rendered image, but can continue */
return( vout_SysInit( p_vout ) ? -1 : 1);
/* Recreate XImages. If SysInit failed, the thread can't go on. */
return( vout_SysInit( p_vout ) );
}
return 0;

2
src/video_output/video_yuv.c
View File

@ -413,7 +413,7 @@ static void SetTables( vout_thread_t *p_vout )
*/
for( i_index = 0; i_index < 256; i_index++ )
{
i_gamma[i_index] = 255. * pow( (double)i_index / 255., p_vout->f_gamma );
i_gamma[i_index] = 255. * exp( (double)i_index * p_vout->f_gamma / 255. );
}
/*

Write Preview
Loading…
Cancel
Save