]> git.sesse.net Git - vlc/blobdiff - modules/video_chroma/i420_rgb.c
Check-in modules/Makefile.am
[vlc] / modules / video_chroma / i420_rgb.c
index 00ce159b1d9f35703c2a28b97c01e87f7c8c3bf7..b08824b66f879ca0a7142f59c7f02d55a2fc384b 100644 (file)
@@ -1,16 +1,17 @@
 /*****************************************************************************
  * i420_rgb.c : YUV to bitmap RGB conversion module for vlc
  *****************************************************************************
- * Copyright (C) 2000, 2001 VideoLAN
- * $Id: i420_rgb.c,v 1.3 2002/11/25 19:29:10 sam Exp $
+ * Copyright (C) 2000, 2001, 2004 the VideoLAN team
+ * $Id$
  *
- * Authors: Samuel Hocevar <sam@zoy.org>
+ * Authors: Sam Hocevar <sam@zoy.org>
+ *          Damien Fouilleul <damienf@videolan.org>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
- * 
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
 /*****************************************************************************
  * Preamble
  *****************************************************************************/
 #include <math.h>                                            /* exp(), pow() */
-#include <string.h>                                            /* strerror() */
-#include <stdlib.h>                                      /* malloc(), free() */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
 
 #include <vlc/vlc.h>
-#include <vlc/vout.h>
+#include <vlc_vout.h>
 
 #include "i420_rgb.h"
 #if defined (MODULE_NAME_IS_i420_rgb)
@@ -56,7 +59,7 @@ static void Deactivate ( vlc_object_t * );
 #if defined (MODULE_NAME_IS_i420_rgb)
 static void SetGammaTable       ( int *pi_table, double f_gamma );
 static void SetYUV              ( vout_thread_t * );
-static void Set8bppPalette      ( vout_thread_t *, u8 * );
+static void Set8bppPalette      ( vout_thread_t *, uint8_t * );
 #endif
 
 /*****************************************************************************
@@ -72,6 +75,11 @@ vlc_module_begin();
                         "RV15,RV16,RV24,RV32 conversions") );
     set_capability( "chroma", 100 );
     add_requirement( MMX );
+#elif defined (MODULE_NAME_IS_i420_rgb_sse2)
+    set_description( _( "SSE2 I420,IYUV,YV12 to "
+                        "RV15,RV16,RV24,RV32 conversions") );
+    set_capability( "chroma", 120 );
+    add_requirement( SSE2 );
 #endif
     set_callbacks( Activate, Deactivate );
 vlc_module_end();
@@ -107,33 +115,78 @@ static int Activate( vlc_object_t *p_this )
 #endif
                 case VLC_FOURCC('R','V','1','5'):
                 case VLC_FOURCC('R','V','1','6'):
-#if defined (MODULE_NAME_IS_i420_rgb_mmx)
+#if ! defined (MODULE_NAME_IS_i420_rgb)
                     /* If we don't have support for the bitmasks, bail out */
-                    if( ( p_vout->output.i_rmask != 0x7c00
-                           || p_vout->output.i_gmask != 0x03e0
-                           || p_vout->output.i_bmask != 0x001f )
-                     && ( p_vout->output.i_rmask != 0xf800
-                           || p_vout->output.i_gmask != 0x07e0
-                           || p_vout->output.i_bmask != 0x001f ) )
+                    if( ( p_vout->output.i_rmask == 0x7c00
+                       && p_vout->output.i_gmask == 0x03e0
+                       && p_vout->output.i_bmask == 0x001f ) )
                     {
-                        return -1;
+                        /* R5G5B6 pixel format */
+                        msg_Dbg(p_this, "RGB pixel format is R5G5B5");
+                        p_vout->chroma.pf_convert = E_(I420_R5G5B5);
                     }
-#endif
+                    else if( ( p_vout->output.i_rmask == 0xf800
+                            && p_vout->output.i_gmask == 0x07e0
+                            && p_vout->output.i_bmask == 0x001f ) )
+                    {
+                        /* R5G6B5 pixel format */
+                        msg_Dbg(p_this, "RGB pixel format is R5G6B5");
+                        p_vout->chroma.pf_convert = E_(I420_R5G6B5);
+                    }
+                    else
+                        return -1;
+#else
+                    // generic C chroma converter */
                     p_vout->chroma.pf_convert = E_(I420_RGB16);
+#endif
                     break;
 
+#if 0
+                /* Hmmm, is there only X11 using 32bits per pixel for RV24 ? */
                 case VLC_FOURCC('R','V','2','4'):
+#endif
+
                 case VLC_FOURCC('R','V','3','2'):
-#if defined (MODULE_NAME_IS_i420_rgb_mmx)
+#if ! defined (MODULE_NAME_IS_i420_rgb)
                     /* If we don't have support for the bitmasks, bail out */
-                    if( p_vout->output.i_rmask != 0x00ff0000
-                         || p_vout->output.i_gmask != 0x0000ff00
-                         || p_vout->output.i_bmask != 0x000000ff )
+                    if( p_vout->output.i_rmask == 0x00ff0000
+                     && p_vout->output.i_gmask == 0x0000ff00
+                     && p_vout->output.i_bmask == 0x000000ff )
                     {
-                        return -1;
+                        /* A8R8G8B8 pixel format */
+                        msg_Dbg(p_this, "RGB pixel format is A8R8G8B8");
+                        p_vout->chroma.pf_convert = E_(I420_A8R8G8B8);
                     }
-#endif
+                    else if( p_vout->output.i_rmask == 0xff000000
+                          && p_vout->output.i_gmask == 0x00ff0000
+                          && p_vout->output.i_bmask == 0x0000ff00 )
+                    {
+                        /* R8G8B8A8 pixel format */
+                        msg_Dbg(p_this, "RGB pixel format is R8G8B8A8");
+                        p_vout->chroma.pf_convert = E_(I420_R8G8B8A8);
+                    }
+                    else if( p_vout->output.i_rmask == 0x0000ff00
+                          && p_vout->output.i_gmask == 0x00ff0000
+                          && p_vout->output.i_bmask == 0xff000000 )
+                    {
+                        /* B8G8R8A8 pixel format */
+                        msg_Dbg(p_this, "RGB pixel format is B8G8R8A8");
+                        p_vout->chroma.pf_convert = E_(I420_B8G8R8A8);
+                    }
+                    else if( p_vout->output.i_rmask == 0x000000ff
+                          && p_vout->output.i_gmask == 0x0000ff00
+                          && p_vout->output.i_bmask == 0x00ff0000 )
+                    {
+                        /* A8B8G8R8 pixel format */
+                        msg_Dbg(p_this, "RGB pixel format is A8B8G8R8");
+                        p_vout->chroma.pf_convert = E_(I420_A8B8G8R8);
+                    }
+                    else
+                        return -1;
+#else
+                    /* generic C chroma converter */
                     p_vout->chroma.pf_convert = E_(I420_RGB32);
+#endif
                     break;
 
                 default:
@@ -144,7 +197,7 @@ static int Activate( vlc_object_t *p_this )
         default:
             return -1;
     }
-    
+
     p_vout->chroma.p_sys = malloc( sizeof( chroma_sys_t ) );
     if( p_vout->chroma.p_sys == NULL )
     {
@@ -195,14 +248,14 @@ static int Activate( vlc_object_t *p_this )
     switch( p_vout->output.i_chroma )
     {
     case VLC_FOURCC('R','G','B','2'):
-        i_tables_size = sizeof( u8 ) * PALETTE_TABLE_SIZE;
+        i_tables_size = sizeof( uint8_t ) * PALETTE_TABLE_SIZE;
         break;
     case VLC_FOURCC('R','V','1','5'):
     case VLC_FOURCC('R','V','1','6'):
-        i_tables_size = sizeof( u16 ) * RGB_TABLE_SIZE;
+        i_tables_size = sizeof( uint16_t ) * RGB_TABLE_SIZE;
         break;
     default: /* RV24, RV32 */
-        i_tables_size = sizeof( u32 ) * RGB_TABLE_SIZE;
+        i_tables_size = sizeof( uint32_t ) * RGB_TABLE_SIZE;
         break;
     }
 
@@ -218,7 +271,7 @@ static int Activate( vlc_object_t *p_this )
     SetYUV( p_vout );
 #endif
 
-    return 0; 
+    return 0;
 }
 
 /*****************************************************************************
@@ -263,8 +316,10 @@ static void SetGammaTable( int *pi_table, double f_gamma )
  *****************************************************************************/
 static void SetYUV( vout_thread_t *p_vout )
 {
-    int         pi_gamma[256];                                /* gamma table */
-    int         i_index;                                  /* index in tables */
+    int          pi_gamma[256];                               /* gamma table */
+    volatile int i_index;                                 /* index in tables */
+                   /* We use volatile here to work around a strange gcc-3.3.4
+                    * optimization bug */
 
     /* Build gamma table */
     SetGammaTable( pi_gamma, p_vout->f_gamma );
@@ -277,13 +332,13 @@ static void SetYUV( vout_thread_t *p_vout )
     switch( p_vout->output.i_chroma )
     {
     case VLC_FOURCC('R','G','B','2'):
-        p_vout->chroma.p_sys->p_rgb8 = (u8 *)p_vout->chroma.p_sys->p_base;
+        p_vout->chroma.p_sys->p_rgb8 = (uint8_t *)p_vout->chroma.p_sys->p_base;
         Set8bppPalette( p_vout, p_vout->chroma.p_sys->p_rgb8 );
         break;
 
     case VLC_FOURCC('R','V','1','5'):
     case VLC_FOURCC('R','V','1','6'):
-        p_vout->chroma.p_sys->p_rgb16 = (u16 *)p_vout->chroma.p_sys->p_base;
+        p_vout->chroma.p_sys->p_rgb16 = (uint16_t *)p_vout->chroma.p_sys->p_base;
         for( i_index = 0; i_index < RED_MARGIN; i_index++ )
         {
             p_vout->chroma.p_sys->p_rgb16[RED_OFFSET - RED_MARGIN + i_index] = RGB2PIXEL( p_vout, pi_gamma[0], 0, 0 );
@@ -309,7 +364,7 @@ static void SetYUV( vout_thread_t *p_vout )
 
     case VLC_FOURCC('R','V','2','4'):
     case VLC_FOURCC('R','V','3','2'):
-        p_vout->chroma.p_sys->p_rgb32 = (u32 *)p_vout->chroma.p_sys->p_base;
+        p_vout->chroma.p_sys->p_rgb32 = (uint32_t *)p_vout->chroma.p_sys->p_base;
         for( i_index = 0; i_index < RED_MARGIN; i_index++ )
         {
             p_vout->chroma.p_sys->p_rgb32[RED_OFFSET - RED_MARGIN + i_index] = RGB2PIXEL( p_vout, pi_gamma[0], 0, 0 );
@@ -335,14 +390,17 @@ static void SetYUV( vout_thread_t *p_vout )
     }
 }
 
-static void Set8bppPalette( vout_thread_t *p_vout, u8 *p_rgb8 )
+static void Set8bppPalette( vout_thread_t *p_vout, uint8_t *p_rgb8 )
 {
     #define CLIP( x ) ( ((x < 0) ? 0 : (x > 255) ? 255 : x) << 8 )
 
     int y,u,v;
     int r,g,b;
     int i = 0, j = 0;
-    u16 red[ 256 ], green[ 256 ], blue[ 256 ];
+    uint16_t *p_cmap_r=p_vout->chroma.p_sys->p_rgb_r;
+    uint16_t *p_cmap_g=p_vout->chroma.p_sys->p_rgb_g;
+    uint16_t *p_cmap_b=p_vout->chroma.p_sys->p_rgb_b;
+
     unsigned char p_lookup[PALETTE_TABLE_SIZE];
 
     /* This loop calculates the intersection of an YUV box and the RGB cube. */
@@ -369,9 +427,15 @@ static void Set8bppPalette( vout_thread_t *p_vout, u8 *p_rgb8 )
                     }
 
                     /* Clip the colors */
-                    red[ j ] = CLIP( r );
-                    green[ j ] = CLIP( g );
-                    blue[ j ] = CLIP( b );
+                    p_cmap_r[ j ] = CLIP( r );
+                    p_cmap_g[ j ] = CLIP( g );
+                    p_cmap_b[ j ] = CLIP( b );
+
+#if 0
+            printf("+++Alloc RGB cmap %d (%d, %d, %d)\n", j,
+               p_cmap_r[ j ] >>8, p_cmap_g[ j ] >>8,
+               p_cmap_b[ j ] >>8);
+#endif
 
                     /* Allocate color */
                     p_lookup[ i ] = 1;
@@ -388,7 +452,7 @@ static void Set8bppPalette( vout_thread_t *p_vout, u8 *p_rgb8 )
     }
 
     /* The colors have been allocated, we can set the palette */
-    p_vout->output.pf_setpalette( p_vout, red, green, blue );
+    p_vout->output.pf_setpalette( p_vout, p_cmap_r, p_cmap_g, p_cmap_b );
 
 #if 0
     /* There will eventually be a way to know which colors