Commit e70d9d1f authored by Vincent Seguin's avatar Vincent Seguin

Changement de l'API de vout (chroma_width)

Nettoyage des YUV.

Ne marche qu'en -g pour le moment, le reste arrive.
parent c871659c
......@@ -22,7 +22,7 @@ VIDEO=X11
# Target architecture and optimization
#ARCH=
ARCH=MMX
#ARCH=MMX
#ARCH=PPC
# Decoder choice - ?? old decoder will be removed soon
......@@ -174,7 +174,7 @@ audio_output_obj = audio_output/audio_output.o \
video_output_obj = video_output/video_output.o \
video_output/video_$(video).o \
video_output/video_yuv_c.o
video_output/video_yuv.o
ac3_decoder_obj = ac3_decoder/ac3_decoder.o \
ac3_decoder/ac3_parse.o \
......
......@@ -338,7 +338,7 @@
/* 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
......
......@@ -32,11 +32,10 @@ typedef struct
int i_matrix_coefficients; /* in YUV type, encoding type */
/* Picture static properties - those properties are fixed at initialization
* and should NOT be modified. Note that for YUV pictures, i_bytes_per_line
* has no signification and is replaced by i_width */
* and should NOT be modified */
int i_width; /* picture width */
int i_height; /* picture height */
int i_bytes_per_line; /* total number of bytes per line */
int i_chroma_width; /* chroma width */
/* Picture dynamic properties - those properties can be changed by the
* decoder */
......
......@@ -7,6 +7,70 @@
* thread, and destroy a previously oppenned video output thread.
*******************************************************************************/
/*******************************************************************************
* vout_tables_t: pre-calculated convertion tables
*******************************************************************************
* These tables are used by convertion and scaling functions.
*******************************************************************************/
typedef struct vout_tables_s
{
void * p_base; /* base for all translation tables */
union
{
struct { u16 *p_red, *p_green, *p_blue; } rgb16; /* color 15, 16 bpp */
struct { u32 *p_red, *p_green, *p_blue; } rgb32; /* color 24, 32 bpp */
struct { u16 *p_gray; } gray16; /* gray 15, 16 bpp */
struct { u32 *p_gray; } gray32; /* gray 24, 32 bpp */
} yuv;
void * p_trans_optimized; /* optimized (all colors) */
} vout_tables_t;
/*******************************************************************************
* vout_convert_t: convertion function
*******************************************************************************
* This is the prototype common to all convertion functions. The type of p_pic
* will change depending of the screen depth treated.
* Parameters:
* p_vout video output thread
* p_pic picture address (start address in picture)
* p_y, p_u, p_v Y,U,V samples addresses
* i_width Y samples width
* i_height Y samples height
* i_eol number of Y samples to reach the next line
* i_pic_eol number or pixels to reach the next line
* i_scale if non 0, vertical scaling is 1 - 1/i_scale
* Conditions:
* start x + i_width < picture width
* start y + i_height * (scaling factor) < picture height
* i_width % 16 == 0
*******************************************************************************/
typedef void (vout_convert_t)( p_vout_thread_t p_vout, void *p_pic,
yuv_data_t *p_y, yuv_data_t *p_u, yuv_data_t *p_v,
int i_width, int i_height, int i_eol, int i_pic_eol,
int i_scale );
/*******************************************************************************
* vout_scale_t: scaling function
*******************************************************************************
* When a picture can't be scaled unsing the fast i_y_scale parameter of a
* transformation, it is rendered in a temporary buffer then scaled using a
* totally accurate (but also very slow) method.
* This is the prototype common to all scaling functions. The types of p_buffer
* and p_pic will change depending of the screen depth treated.
* Parameters:
* p_vout video output thread
* p_pic picture address (start address in picture)
* p_buffer source picture
* i_width buffer width
* i_height buffer height
* i_eol number of pixels to reach next buffer line
* i_pic_eol number of pixels to reach next picture line
* f_alpha, f_beta horizontal and vertical scaling factors
*******************************************************************************/
typedef void (vout_scale_t)( p_vout_thread_t p_vout, void *p_pic, void *p_buffer,
int i_width, int i_height, int i_eol, int i_pic_eol,
float f_alpha, float f_beta );
/*******************************************************************************
* vout_thread_t: video output thread descriptor
*******************************************************************************
......@@ -16,34 +80,37 @@
*******************************************************************************/
typedef struct vout_thread_s
{
/* Thread properties and locks */
/* Thread properties and lock */
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 */
int * pi_status; /* temporary status flag */
p_vout_sys_t p_sys; /* system output method */
/* Common display properties */
/* Current display properties */
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 */
int i_bytes_per_pixel; /* real screen depth */
int i_screen_depth; /* bits per pixel - FIXED */
int i_bytes_per_pixel; /* real screen depth - FIXED */
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 */
#ifdef STATS
/* Statistics - these numbers are not supposed to be accurate */
/* 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 */
......@@ -51,25 +118,17 @@ typedef struct vout_thread_s
#endif
#ifdef DEBUG_VIDEO
/* Video debugging informations */
/* Additionnal video debugging informations */
mtime_t picture_render_time; /* last picture rendering time */
#endif
/* Output method */
p_vout_sys_t p_sys; /* system output method */
/* Video heap */
/* Video heap and translation tables */
picture_t p_picture[VOUT_MAX_PICTURES]; /* pictures */
/* YUV translation tables - they have to be casted to the appropriate width
* on use. All tables are allocated in the same memory block, based at
* p_trans_base, and shifted depending of the output thread configuration */
byte_t * p_trans_base; /* base for all translation tables */
void * p_trans_red; /* regular red */
void * p_trans_green; /* regular green */
void * p_trans_blue; /* regular blue */
void * p_trans_gray; /* regular gray */
void * p_trans_optimized; /* optimized (all colors) */
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 */
vout_convert_t * p_ConvertYUV444; /* YUV 4:4:4 converter */
vout_scale_t * p_Scale; /* scaler */
} vout_thread_t;
/*******************************************************************************
......@@ -85,7 +144,7 @@ vout_thread_t * vout_CreateThread (
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, int i_bytes_per_line );
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 );
......
/*******************************************************************************
* video_yuv.h: YUV transformation functions
* (c)1999 VideoLAN
*******************************************************************************
* Provides functions prototypes to perform the YUV conversion. The functions
* may be implemented in one of the video_yuv_* files.
*******************************************************************************/
/*******************************************************************************
* Prototypes
*******************************************************************************/
int vout_InitTables ( vout_thread_t *p_vout );
int vout_ResetTables ( vout_thread_t *p_vout );
void vout_EndTables ( vout_thread_t *p_vout );
......@@ -11,7 +11,6 @@
* Preamble
*******************************************************************************/
#include <errno.h>
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
......@@ -27,141 +26,10 @@
#include "video.h"
#include "video_output.h"
#include "video_sys.h"
#include "video_yuv.h"
#include "intf_msg.h"
#include "main.h"
/*******************************************************************************
* Macros
*******************************************************************************/
/* CLIP_BYTE: return value if between 0 and 255, else return nearest boundary
* (0 or 255), used to build translations tables */
#define CLIP_BYTE( i_val ) ( (i_val < 0) ? 0 : ((i_val > 255) ? 255 : i_val) )
/* YUV_GRAYSCALE: parametric macro for YUV grayscale transformation.
* Due to the high performance need of this loop, all possible conditions
* evaluations are made outside the transformation loop. However, the code does
* not change much for two different loops. This macro allows to change slightly
* the content of the loop without having to copy and paste code. It is used in
* RenderYUVPicture function. */
#define YUV_GRAYSCALE( TRANS_GRAY, P_PIC ) \
/* Main loop */ \
for (i_pic_y=0; i_pic_y < p_pic->i_height ; i_pic_y++) \
{ \
for (i_pic_x=0; i_pic_x< p_pic->i_width; i_pic_x+=16) \
{ \
/* Convert 16 pixels (width is always multiple of 16 */ \
*P_PIC++ = TRANS_GRAY[ *p_y++ ]; \
*P_PIC++ = TRANS_GRAY[ *p_y++ ]; \
*P_PIC++ = TRANS_GRAY[ *p_y++ ]; \
*P_PIC++ = TRANS_GRAY[ *p_y++ ]; \
*P_PIC++ = TRANS_GRAY[ *p_y++ ]; \
*P_PIC++ = TRANS_GRAY[ *p_y++ ]; \
*P_PIC++ = TRANS_GRAY[ *p_y++ ]; \
*P_PIC++ = TRANS_GRAY[ *p_y++ ]; \
*P_PIC++ = TRANS_GRAY[ *p_y++ ]; \
*P_PIC++ = TRANS_GRAY[ *p_y++ ]; \
*P_PIC++ = TRANS_GRAY[ *p_y++ ]; \
*P_PIC++ = TRANS_GRAY[ *p_y++ ]; \
*P_PIC++ = TRANS_GRAY[ *p_y++ ]; \
*P_PIC++ = TRANS_GRAY[ *p_y++ ]; \
*P_PIC++ = TRANS_GRAY[ *p_y++ ]; \
*P_PIC++ = TRANS_GRAY[ *p_y++ ]; \
} \
/* Skip until beginning of next line */ \
P_PIC += i_eol_offset; \
}
/* YUV_TRANSFORM: parametric macro for YUV transformation.
* Due to the high performance need of this loop, all possible conditions
* evaluations are made outside the transformation loop. However, the code does
* not change much for two different loops. This macro allows to change slightly
* the content of the loop without having to copy and paste code. It is used in
* RenderYUVPicture function. */
#define YUV_TRANSFORM( CHROMA, TRANS_RED, TRANS_GREEN, TRANS_BLUE, P_PIC ) \
/* Main loop */ \
for (i_pic_y=0; i_pic_y < p_pic->i_height ; i_pic_y++) \
{ \
for (i_pic_x=0; i_pic_x< p_pic->i_width; i_pic_x+=2 ) \
{ \
/* First sample (complete) */ \
i_y = 76309 * *p_y++ - 1188177; \
i_u = *p_u++ - 128; \
i_v = *p_v++ - 128; \
*P_PIC++ = \
TRANS_RED [(i_y+i_crv*i_v) >>16] | \
TRANS_GREEN [(i_y-i_cgu*i_u-i_cgv*i_v) >>16] | \
TRANS_BLUE [(i_y+i_cbu*i_u) >>16]; \
i_y = 76309 * *p_y++ - 1188177; \
/* Second sample (partial) */ \
if( CHROMA == 444 ) \
{ \
i_u = *p_u++ - 128; \
i_v = *p_v++ - 128; \
} \
*P_PIC++ = \
TRANS_RED [(i_y+i_crv*i_v) >>16] | \
TRANS_GREEN [(i_y-i_cgu*i_u-i_cgv*i_v) >>16] | \
TRANS_BLUE [(i_y+i_cbu*i_u) >>16]; \
} \
if( (CHROMA == 420) && !(i_pic_y & 0x1) ) \
{ \
p_u -= i_chroma_width; \
p_v -= i_chroma_width; \
} \
/* Skip until beginning of next line */ \
P_PIC += i_eol_offset; \
}
/*******************************************************************************
* Constants
*******************************************************************************/
/* RGB/YUV inversion matrix (ISO/IEC 13818-2 section 6.3.6, table 6.9) */
const int MATRIX_COEFFICIENTS_TABLE[8][4] =
{
{117504, 138453, 13954, 34903}, /* no sequence_display_extension */
{117504, 138453, 13954, 34903}, /* ITU-R Rec. 709 (1990) */
{104597, 132201, 25675, 53279}, /* unspecified */
{104597, 132201, 25675, 53279}, /* reserved */
{104448, 132798, 24759, 53109}, /* FCC */
{104597, 132201, 25675, 53279}, /* ITU-R Rec. 624-4 System B, G */
{104597, 132201, 25675, 53279}, /* SMPTE 170M */
{117579, 136230, 16907, 35559} /* SMPTE 240M (1987) */
};
/*******************************************************************************
* External prototypes
*******************************************************************************/
#ifdef HAVE_MMX
/* YUV transformations for MMX - in video_yuv_mmx.S
* p_y, p_u, p_v: Y U and V planes
* i_width, i_height: frames dimensions (pixels)
* i_ypitch, i_vpitch: Y and V lines sizes (bytes)
* i_aspect: vertical aspect factor
* p_pic: RGB frame
* i_dci_offset: ?? x offset for left image border
* i_offset_to_line_0: ?? x offset for left image border
* i_pitch: RGB line size (bytes)
* i_colortype: 0 for 565, 1 for 555 */
void vout_YUV420_16_MMX( u8* p_y, u8* p_u, u8 *p_v,
unsigned int i_width, unsigned int i_height,
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 );
#endif
/* Optimized YUV functions: translations and tables building - in video_yuv_c.c
* ??? looks efficient, but does not work well - ask walken */
void yuvToRgb16 ( unsigned char * Y,
unsigned char * U, unsigned char * V,
short * dest, short table[1935], int width);
int rgbTable16 (short table [1935],
int redMask, int greenMask, int blueMask,
unsigned char gamma[256]);
/*******************************************************************************
* Local prototypes
*******************************************************************************/
......@@ -169,11 +37,7 @@ static int InitThread ( vout_thread_t *p_vout );
static void RunThread ( vout_thread_t *p_vout );
static void ErrorThread ( vout_thread_t *p_vout );
static void EndThread ( vout_thread_t *p_vout );
static void BuildTables ( vout_thread_t *p_vout );
static void RenderPicture ( vout_thread_t *p_vout, picture_t *p_pic );
static void RenderYUVGrayPicture ( vout_thread_t *p_vout, picture_t *p_pic );
static void RenderYUV16Picture ( vout_thread_t *p_vout, picture_t *p_pic );
static void RenderYUV32Picture ( 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 );
......@@ -203,8 +67,15 @@ vout_thread_t * vout_CreateThread (
return( NULL );
}
/* Initialize thread properties */
p_vout->b_die = 0;
p_vout->b_error = 0;
p_vout->b_active = 0;
p_vout->pi_status = (pi_status != NULL) ? pi_status : &i_status;
*p_vout->pi_status = THREAD_CREATE;
/* Initialize some fields used by the system-dependant method - these fields will
* probably be modified by the method */
* probably be modified by the method, and are only preferences */
#ifdef DEBUG
p_vout->b_info = 1;
#else
......@@ -241,20 +112,17 @@ 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 );
/* Terminate the initialization */
p_vout->b_die = 0;
p_vout->b_error = 0;
p_vout->b_active = 0;
p_vout->pi_status = (pi_status != NULL) ? pi_status : &i_status;
*p_vout->pi_status = THREAD_CREATE;
/* 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;
#endif
p_vout->b_gamma_change = 0;
p_vout->i_new_width = p_vout->i_width;
p_vout->i_new_height = p_vout->i_height;
/* Create thread and set locks */
vlc_mutex_init( &p_vout->lock );
......@@ -356,9 +224,10 @@ void vout_DisplayPicture( vout_thread_t *p_vout, picture_t *p_pic )
* 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_bytes_per_line )
int i_width, int i_height )
{
int i_picture; /* picture index */
int i_chroma_width; /* chroma width */
picture_t * p_free_picture = NULL; /* first free picture */
picture_t * p_destroyed_picture = NULL; /* first destroyed picture */
......@@ -374,15 +243,16 @@ picture_t *vout_CreatePicture( vout_thread_t *p_vout, int i_type,
{
if( p_vout->p_picture[i_picture].i_status == DESTROYED_PICTURE )
{
/* Picture is marked for destruction, but is still allocated */
/* Picture is marked for destruction, but is still allocated - note
* that if width and type are the same for two pictures, chroma_width
* should also be the same */
if( (p_vout->p_picture[i_picture].i_type == i_type) &&
(p_vout->p_picture[i_picture].i_height == i_height) &&
(p_vout->p_picture[i_picture].i_bytes_per_line == i_bytes_per_line) )
(p_vout->p_picture[i_picture].i_width == i_width) )
{
/* Memory size do match : memory will not be reallocated, and function
* can end immediately - this is the best possible case, since no
* memory allocation needs to be done */
p_vout->p_picture[i_picture].i_width = i_width;
p_vout->p_picture[i_picture].i_status = RESERVED_PICTURE;
#ifdef DEBUG_VIDEO
intf_DbgMsg("picture %p (in destroyed picture slot)\n",
......@@ -424,22 +294,25 @@ picture_t *vout_CreatePicture( vout_thread_t *p_vout, int i_type,
switch( i_type )
{
case YUV_420_PICTURE: /* YUV 420: 1,1/4,1/4 samples per pixel */
p_free_picture->p_data = malloc( i_height * i_bytes_per_line * 3 / 2 );
p_free_picture->p_y = (yuv_data_t *) p_free_picture->p_data;
p_free_picture->p_u = (yuv_data_t *)(p_free_picture->p_data + i_height * i_bytes_per_line);
p_free_picture->p_v = (yuv_data_t *)(p_free_picture->p_data + i_height * i_bytes_per_line * 5 / 4);
i_chroma_width = i_width / 4;
p_free_picture->p_data = malloc( i_height * i_chroma_width * 6 * sizeof( yuv_data_t ) );
p_free_picture->p_y = (yuv_data_t *)p_free_picture->p_data;
p_free_picture->p_u = (yuv_data_t *)p_free_picture->p_data + i_height * i_chroma_width * 4;
p_free_picture->p_v = (yuv_data_t *)p_free_picture->p_data + i_height * i_chroma_width * 5;
break;
case YUV_422_PICTURE: /* YUV 422: 1,1/2,1/2 samples per pixel */
p_free_picture->p_data = malloc( 2 * i_height * i_bytes_per_line );
p_free_picture->p_y = (yuv_data_t *) p_free_picture->p_data;
p_free_picture->p_u = (yuv_data_t *)(p_free_picture->p_data + i_height * i_bytes_per_line);
p_free_picture->p_v = (yuv_data_t *)(p_free_picture->p_data + i_height * i_bytes_per_line * 3 / 2);
i_chroma_width = i_width / 2;
p_free_picture->p_data = malloc( i_height * i_chroma_width * 4 * sizeof( yuv_data_t ) );
p_free_picture->p_y = (yuv_data_t *)p_free_picture->p_data;
p_free_picture->p_u = (yuv_data_t *)p_free_picture->p_data + i_height * i_chroma_width * 2;
p_free_picture->p_v = (yuv_data_t *)p_free_picture->p_data + i_height * i_chroma_width * 3;
break;
case YUV_444_PICTURE: /* YUV 444: 1,1,1 samples per pixel */
p_free_picture->p_data = malloc( 3 * i_height * i_bytes_per_line );
p_free_picture->p_y = (yuv_data_t *) p_free_picture->p_data;
p_free_picture->p_u = (yuv_data_t *)(p_free_picture->p_data + i_height * i_bytes_per_line);
p_free_picture->p_v = (yuv_data_t *)(p_free_picture->p_data + i_height * i_bytes_per_line * 2);
i_chroma_width = i_width;
p_free_picture->p_data = malloc( i_height * i_chroma_width * 3 * sizeof( yuv_data_t ) );
p_free_picture->p_y = (yuv_data_t *)p_free_picture->p_data;
p_free_picture->p_u = (yuv_data_t *)p_free_picture->p_data + i_height * i_chroma_width;
p_free_picture->p_v = (yuv_data_t *)p_free_picture->p_data + i_height * i_chroma_width * 2;
break;
#ifdef DEBUG
default:
......@@ -451,14 +324,19 @@ picture_t *vout_CreatePicture( vout_thread_t *p_vout, int i_type,
if( p_free_picture->p_data != NULL )
{
/* Copy picture informations */
/* Copy picture informations, set some default values */
p_free_picture->i_type = i_type;
p_free_picture->i_status = RESERVED_PICTURE;
p_free_picture->i_matrix_coefficients = 1;
p_free_picture->i_width = i_width;
p_free_picture->i_height = i_height;
p_free_picture->i_bytes_per_line = i_bytes_per_line;
p_free_picture->i_chroma_width = i_chroma_width;
p_free_picture->i_display_horizontal_offset = 0;
p_free_picture->i_display_vertical_offset = 0;
p_free_picture->i_display_width = i_width;
p_free_picture->i_display_height = i_height;
p_free_picture->i_aspect_ratio = AR_SQUARE_PICTURE;
p_free_picture->i_refcount = 0;
p_free_picture->i_matrix_coefficients = 1;
}
else
{
......@@ -561,13 +439,6 @@ static int InitThread( vout_thread_t *p_vout )
/* Update status */
*p_vout->pi_status = THREAD_START;
/* Initialize pictures */
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;
}
/* Initialize output method - this function issues its own error messages */
if( vout_SysInit( p_vout ) )
{
......@@ -575,21 +446,19 @@ static int InitThread( vout_thread_t *p_vout )
return( 1 );
}
/* Allocate translation tables */
p_vout->p_trans_base = malloc( ( 4 * 1024 + 1935 ) * p_vout->i_bytes_per_pixel );
if( p_vout->p_trans_base == NULL )
/* Initialize pictures */
for( i_index = 0; i_index < VOUT_MAX_PICTURES; i_index++)
{
intf_ErrMsg("error: %s\n", strerror(ENOMEM));
return( 1 );
p_vout->p_picture[i_index].i_type = EMPTY_PICTURE;
p_vout->p_picture[i_index].i_status= FREE_PICTURE;
}
p_vout->p_trans_red = p_vout->p_trans_base + 384 *p_vout->i_bytes_per_pixel;
p_vout->p_trans_green = p_vout->p_trans_base + ( 1024 + 384)*p_vout->i_bytes_per_pixel;
p_vout->p_trans_blue = p_vout->p_trans_base + (2*1024 + 384)*p_vout->i_bytes_per_pixel;
p_vout->p_trans_gray = p_vout->p_trans_base + (3*1024 + 384)*p_vout->i_bytes_per_pixel;
p_vout->p_trans_optimized = p_vout->p_trans_base + (4*1024 )*p_vout->i_bytes_per_pixel;
/* Build translation tables */
BuildTables( p_vout );
/* Initialize convertion tables and functions */
if( vout_InitTables( p_vout ) )
{
intf_ErrMsg("error: can't allocate translation tables\n");
return( 1 );
}
/* Mark thread as running and return */
p_vout->b_active = 1;
......@@ -700,8 +569,9 @@ static void RunThread( vout_thread_t *p_vout)
*/
if( p_vout->b_gamma_change )
{
//??
p_vout->b_gamma_change = 0;
BuildTables( p_vout );
vout_ResetTables( p_vout ); // ?? test return value
}
/*
......@@ -818,7 +688,7 @@ static void EndThread( vout_thread_t *p_vout )
}
/* Destroy translation tables */
free( p_vout->p_trans_base );
vout_EndTables( p_vout );
/* Destroy thread structures allocated by InitThread */
vout_SysEnd( p_vout );
......@@ -829,81 +699,6 @@ static void EndThread( vout_thread_t *p_vout )
*pi_status = THREAD_OVER;
}
/*******************************************************************************
* BuildTables: build YUV translation tables
*******************************************************************************
* This function will build translations tables according to pixel width and
* gamma.
*******************************************************************************/
static void BuildTables( vout_thread_t *p_vout )
{
u16 * p_trans16_red = (u16 *) p_vout->p_trans_red;
u16 * p_trans16_green = (u16 *) p_vout->p_trans_green;
u16 * p_trans16_blue = (u16 *) p_vout->p_trans_blue;
u16 * p_trans16_gray = (u16 *) p_vout->p_trans_gray;
u32 * p_trans32_red = (u32 *) p_vout->p_trans_red;
u32 * p_trans32_green = (u32 *) p_vout->p_trans_green;
u32 * p_trans32_blue = (u32 *) p_vout->p_trans_blue;
u32 * p_trans32_gray = (u32 *) p_vout->p_trans_gray;
u8 i_gamma[256]; /* gamma table */
int i_index; /* index in tables */
/* Build gamma table */
for( i_index = 0; i_index < 256; i_index++ )
{
i_gamma[i_index] = 255. * pow( (double)i_index / 255., p_vout->f_gamma );
}
/* Build red, green, blue and gray tables */
switch( p_vout->i_screen_depth )
{
case 15:
for( i_index = -384; i_index < 640; i_index++)
{
p_trans16_red[i_index] = (i_gamma[CLIP_BYTE( i_index )] & 0xf8)<<7;
p_trans16_green[i_index] = (i_gamma[CLIP_BYTE( i_index )] & 0xf8)<<2;
p_trans16_blue[i_index] = i_gamma[CLIP_BYTE( i_index )] >> 3;
p_trans16_gray[i_index] = p_trans16_red[i_index] |
p_trans16_green[i_index] | p_trans16_blue[i_index];
}
break;
case 16:
for( i_index = -384; i_index < 640; i_index++)
{
p_trans16_red[i_index] = (i_gamma[CLIP_BYTE( i_index )] & 0xf8)<<8;
p_trans16_green[i_index] = (i_gamma[CLIP_BYTE( i_index )] & 0xfc)<<3;
p_trans16_blue[i_index] = i_gamma[CLIP_BYTE( i_index )] >> 3;
p_trans16_gray[i_index] = p_trans16_red[i_index] |
p_trans16_green[i_index] | p_trans16_blue[i_index];
}
break;
case 32:
for( i_index = -384; i_index < 640; i_index++)
{
p_trans32_red[i_index] = i_gamma[CLIP_BYTE( i_index )] <<16;
p_trans32_green[i_index] = i_gamma[CLIP_BYTE( i_index )] <<8;
p_trans32_blue[i_index] = i_gamma[CLIP_BYTE( i_index )] ;
p_trans32_gray[i_index] = p_trans32_red[i_index] |
p_trans32_green[i_index] | p_trans32_blue[i_index];
}
break;
#ifdef DEBUG
default:
intf_DbgMsg("error: invalid screen depth %d\n", p_vout->i_screen_depth );
break;