#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_filter.h>
+#include "filter_picture.h"
/*****************************************************************************
* Module descriptor
/***********************************************************************
* Utils
***********************************************************************/
-static inline uint8_t vlc_uint8( int v )
-{
- if( v > 255 )
- return 255;
- else if( v < 0 )
- return 0;
- return v;
-}
-
#define MAX_TRANS 255
#define TRANS_BITS 8
return (t * a) / 255;
}
-static inline void yuv_to_rgb( int *r, int *g, int *b,
- uint8_t y1, uint8_t u1, uint8_t v1 )
-{
- /* macros used for YUV pixel conversions */
-# define SCALEBITS 10
-# define ONE_HALF (1 << (SCALEBITS - 1))
-# define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
-
- int y, cb, cr, r_add, g_add, b_add;
-
- cb = u1 - 128;
- cr = v1 - 128;
- r_add = FIX(1.40200*255.0/224.0) * cr + ONE_HALF;
- g_add = - FIX(0.34414*255.0/224.0) * cb
- - FIX(0.71414*255.0/224.0) * cr + ONE_HALF;
- b_add = FIX(1.77200*255.0/224.0) * cb + ONE_HALF;
- y = (y1 - 16) * FIX(255.0/219.0);
- *r = vlc_uint8( (y + r_add) >> SCALEBITS );
- *g = vlc_uint8( (y + g_add) >> SCALEBITS );
- *b = vlc_uint8( (y + b_add) >> SCALEBITS );
-#undef FIX
-#undef ONE_HALF
-#undef SCALEBITS
-}
-
-static inline void rgb_to_yuv( uint8_t *y, uint8_t *u, uint8_t *v,
- int r, int g, int b )
-{
- *y = ( ( ( 66 * r + 129 * g + 25 * b + 128 ) >> 8 ) + 16 );
- *u = ( ( -38 * r - 74 * g + 112 * b + 128 ) >> 8 ) + 128 ;
- *v = ( ( 112 * r - 94 * g - 18 * b + 128 ) >> 8 ) + 128 ;
-}
-
static uint8_t *vlc_plane_start( int *pi_pitch,
const picture_t *p_picture,
int i_plane,
*i_u_offset = 0;
*i_v_offset = 2;
return VLC_SUCCESS;
+ case VLC_CODEC_VYUY:
+ /* VYUY */
+ *i_y_offset = 1;
+ *i_u_offset = 2;
+ *i_v_offset = 0;
+ return VLC_SUCCESS;
case VLC_CODEC_YUYV:
/* YUYV */
*i_y_offset = 0;
}
}
+static inline int GetPackedRgbIndexes( const video_format_t *p_fmt, int *i_r_index,
+ int *i_g_index, int *i_b_index )
+{
+ if( p_fmt->i_chroma != VLC_CODEC_RGB24 && p_fmt->i_chroma != VLC_CODEC_RGB32 )
+ return VLC_EGENERIC;
+
+#ifdef WORDS_BIGENDIAN
+ const int i_mask_bits = p_fmt->i_chroma == VLC_CODEC_RGB24 ? 24 : 32;
+ *i_r_index = ( i_mask_bits - p_fmt->i_lrshift ) / 8;
+ *i_g_index = ( i_mask_bits - p_fmt->i_lgshift ) / 8;
+ *i_b_index = ( i_mask_bits - p_fmt->i_lbshift ) / 8;
+#else
+ *i_r_index = p_fmt->i_lrshift / 8;
+ *i_g_index = p_fmt->i_lgshift / 8;
+ *i_b_index = p_fmt->i_lbshift / 8;
+#endif
+ return VLC_SUCCESS;
+}
+
+static inline uint8_t vlc_uint8( int v )
+{
+ if( v > 255 )
+ return 255;
+ else if( v < 0 )
+ return 0;
+ return v;
+}
+
+static inline void yuv_to_rgb( int *r, int *g, int *b,
+ uint8_t y1, uint8_t u1, uint8_t v1 )
+{
+ /* macros used for YUV pixel conversions */
+# define SCALEBITS 10
+# define ONE_HALF (1 << (SCALEBITS - 1))
+# define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
+
+ int y, cb, cr, r_add, g_add, b_add;
+
+ cb = u1 - 128;
+ cr = v1 - 128;
+ r_add = FIX(1.40200*255.0/224.0) * cr + ONE_HALF;
+ g_add = - FIX(0.34414*255.0/224.0) * cb
+ - FIX(0.71414*255.0/224.0) * cr + ONE_HALF;
+ b_add = FIX(1.77200*255.0/224.0) * cb + ONE_HALF;
+ y = (y1 - 16) * FIX(255.0/219.0);
+ *r = vlc_uint8( (y + r_add) >> SCALEBITS );
+ *g = vlc_uint8( (y + g_add) >> SCALEBITS );
+ *b = vlc_uint8( (y + b_add) >> SCALEBITS );
+#undef FIX
+#undef ONE_HALF
+#undef SCALEBITS
+}
+
+static inline void rgb_to_yuv( uint8_t *y, uint8_t *u, uint8_t *v,
+ int r, int g, int b )
+{
+ *y = ( ( ( 66 * r + 129 * g + 25 * b + 128 ) >> 8 ) + 16 );
+ *u = ( ( -38 * r - 74 * g + 112 * b + 128 ) >> 8 ) + 128 ;
+ *v = ( ( 112 * r - 94 * g - 18 * b + 128 ) >> 8 ) + 128 ;
+}
+
/*****************************************************************************
*
*****************************************************************************/
static void RVPosterize( picture_t *, picture_t *, bool, int );
static void YuvPosterization( uint8_t *, uint8_t *, uint8_t *, uint8_t *,
uint8_t, uint8_t, uint8_t, uint8_t, int );
-static void yuv2rgb( uint8_t *, uint8_t *, uint8_t *,
- uint8_t, uint8_t, uint8_t);
static const char *const ppsz_filter_options[] = {
"level", NULL
uint8_t* posterized_u, uint8_t* posterized_v,
uint8_t y1, uint8_t y2, uint8_t u, uint8_t v,
int i_level ) {
- uint8_t r1, g1, b1; /* for y1 new value */
- uint8_t r2, b2, g2; /* for y2 new value */
- uint8_t r3, g3, b3; /* for new values of u and v */
+ int r1, g1, b1; /* for y1 new value */
+ int r2, b2, g2; /* for y2 new value */
+ int r3, g3, b3; /* for new values of u and v */
/* fist convert YUV -> RGB */
- yuv2rgb( &r1, &g1, &b1, y1, u, v );
- yuv2rgb( &r2, &g2, &b2, y2, u, v );
- yuv2rgb( &r3, &g3, &b3, ( y1 + y2 ) / 2, u, v );
+ yuv_to_rgb( &r1, &g1, &b1, y1, u, v );
+ yuv_to_rgb( &r2, &g2, &b2, y1, u, v );
+ yuv_to_rgb( &r3, &g3, &b3, ( y1 + y2 ) / 2, u, v );
/* round RGB values to specified posterize level */
r1 = POSTERIZE_PIXEL( r1, i_level );
g1 = POSTERIZE_PIXEL( g1, i_level );
*posterized_v = ( ( 112 * r3 - 94 * g3 - 18 * b3 + 128 ) >> 8 ) + 128;
}
-/*****************************************************************************
- * yuv2rgb: Converts from YUV to RGB color space
- *****************************************************************************
- * This function converts YUV values to RGB values using function defined in:
- * http://msdn.microsoft.com/en-us/library/ms893078
- *****************************************************************************/
-static void yuv2rgb( uint8_t* r, uint8_t* g, uint8_t* b, uint8_t y,
- uint8_t u, uint8_t v )
-{
- int16_t c = y - 16;
- int16_t d = u - 128;
- int16_t e = v - 128;
- int16_t noclipped_r = ( 298 * c + 409 * e + 128 ) >> 8;
- if ( noclipped_r < 0 )
- {
- *r=0;
- }
- else if ( noclipped_r > 255 )
- {
- *r = 255;
- }
- else
- {
- *r = noclipped_r;
- }
- int16_t noclipped_g = ( 298 * c - 100 * d - 208 * e + 128 ) >> 8;
- if ( noclipped_g < 0 )
- {
- *g=0;
- }
- else if ( noclipped_g > 255 )
- {
- *g = 255;
- }
- else
- {
- *g = noclipped_g;
- }
- int16_t noclipped_b = ( 298 * c + 516 * d + 128 ) >> 8;
- if ( noclipped_b < 0 )
- {
- *b=0;
- }
- else if ( noclipped_b > 255 )
- {
- *b = 255;
- }
- else
- {
- *b = noclipped_b;
- }
-}
-
static int FilterCallback ( vlc_object_t *p_this, char const *psz_var,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
static int Create ( vlc_object_t * );
static void Destroy ( vlc_object_t * );
-static void vlc_rgb_index( int *, int *, int *, const video_format_t * );
-static void vlc_yuv_index( int *, int *, int *, const video_format_t * );
static void RVSepia( picture_t *, picture_t *, int );
static void PlanarI420Sepia( picture_t *, picture_t *, int);
static void PackedYUVSepia( picture_t *, picture_t *, int);
return CopyInfoAndRelease( p_outpic, p_pic );
}
-/***********************************************************************
- * Utils
- ***********************************************************************/
-static inline uint8_t vlc_uint8( int v )
-{
- if( v > 255 )
- return 255;
- else if( v < 0 )
- return 0;
- return v;
-}
-
-static inline void yuv_to_rgb( int *r, int *g, int *b,
- uint8_t y1, uint8_t u1, uint8_t v1 )
-{
- /* macros used for YUV pixel conversions */
-# define SCALEBITS 10
-# define ONE_HALF (1 << (SCALEBITS - 1))
-# define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
-
- int y, cb, cr, r_add, g_add, b_add;
-
- cb = u1 - 128;
- cr = v1 - 128;
- r_add = FIX(1.40200*255.0/224.0) * cr + ONE_HALF;
- g_add = - FIX(0.34414*255.0/224.0) * cb
- - FIX(0.71414*255.0/224.0) * cr + ONE_HALF;
- b_add = FIX(1.77200*255.0/224.0) * cb + ONE_HALF;
- y = (y1 - 16) * FIX(255.0/219.0);
- *r = vlc_uint8( (y + r_add) >> SCALEBITS );
- *g = vlc_uint8( (y + g_add) >> SCALEBITS );
- *b = vlc_uint8( (y + b_add) >> SCALEBITS );
-#undef FIX
-#undef ONE_HALF
-#undef SCALEBITS
-}
-
-static void vlc_rgb_index( int *pi_rindex, int *pi_gindex, int *pi_bindex,
- const video_format_t *p_fmt )
-{
- if( p_fmt->i_chroma != VLC_CODEC_RGB24 && p_fmt->i_chroma != VLC_CODEC_RGB32 )
- return;
-
-#ifdef WORDS_BIGENDIAN
- const int i_mask_bits = p_fmt->i_chroma == VLC_CODEC_RGB24 ? 24 : 32;
- *pi_rindex = ( i_mask_bits - p_fmt->i_lrshift ) / 8;
- *pi_gindex = ( i_mask_bits - p_fmt->i_lgshift ) / 8;
- *pi_bindex = ( i_mask_bits - p_fmt->i_lbshift ) / 8;
-#else
- *pi_rindex = p_fmt->i_lrshift / 8;
- *pi_gindex = p_fmt->i_lgshift / 8;
- *pi_bindex = p_fmt->i_lbshift / 8;
-#endif
-}
-
-static void vlc_yuv_index( int *pi_y_index, int *pi_u_index, int *pi_v_index,
- const video_format_t *p_fmt )
-{
- if(
- p_fmt->i_chroma != VLC_CODEC_UYVY &&
- p_fmt->i_chroma != VLC_CODEC_VYUY &&
- p_fmt->i_chroma != VLC_CODEC_YUYV &&
- p_fmt->i_chroma != VLC_CODEC_YVYU )
- return;
-
- switch( p_fmt->i_chroma )
- {
- case VLC_CODEC_UYVY:
- *pi_u_index = 0;
- *pi_y_index = 1;
- *pi_v_index = 2;
- break;
- case VLC_CODEC_VYUY:
- *pi_v_index = 0;
- *pi_y_index = 1;
- *pi_u_index = 2;
- break;
- case VLC_CODEC_YUYV:
- *pi_y_index = 0;
- *pi_u_index = 1;
- *pi_v_index = 3;
- break;
- case VLC_CODEC_YVYU:
- *pi_y_index = 0;
- *pi_v_index = 1;
- *pi_u_index = 3;
- break;
- }
-}
-
/*****************************************************************************
* PlanarI420Sepia: Applies sepia to one frame of the planar I420 video
*****************************************************************************
uint8_t *p_in, *p_in_end, *p_line_start, *p_line_end, *p_out;
int i_yindex = 1, i_uindex = 2, i_vindex = 0;
- vlc_yuv_index( &i_yindex, &i_vindex, &i_uindex, &p_outpic->format );
+ GetPackedYuvOffsets( p_outpic->format.i_chroma,
+ &i_yindex, &i_uindex, &i_vindex );
p_in = p_pic->p[0].p_pixels;
p_in_end = p_in + p_pic->p[0].i_visible_lines
bool b_isRV32 = p_pic->format.i_chroma == VLC_CODEC_RGB32;
int i_rindex = 0, i_gindex = 1, i_bindex = 2;
- vlc_rgb_index( &i_rindex, &i_gindex, &i_bindex, &p_outpic->format );
+ GetPackedRgbIndexes( &p_outpic->format, &i_rindex, &i_gindex, &i_bindex );
p_in = p_pic->p[0].p_pixels;
p_in_end = p_in + p_pic->p[0].i_visible_lines
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