/*****************************************************************************
* filter_picture.h: Common picture functions for filters
*****************************************************************************
- * Copyright (C) 2007 the VideoLAN team
+ * Copyright (C) 2007 VLC authors and VideoLAN
* $Id$
*
* Authors: Antoine Cellerier <dionoea at videolan dot 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
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/* FIXME: do all of these really have square pixels? */
#define CASE_PLANAR_YUV_SQUARE \
- case VLC_FOURCC('I','4','2','0'): \
- case VLC_FOURCC('I','Y','U','V'): \
- case VLC_FOURCC('J','4','2','0'): \
- case VLC_FOURCC('Y','V','1','2'): \
- case VLC_FOURCC('I','4','1','1'): \
- case VLC_FOURCC('I','4','1','0'): \
- case VLC_FOURCC('Y','V','U','9'): \
- case VLC_FOURCC('I','4','4','4'): \
- case VLC_FOURCC('J','4','4','4'): \
- case VLC_FOURCC('Y','U','V','A'):
+ case VLC_CODEC_I420: \
+ case VLC_CODEC_J420: \
+ case VLC_CODEC_YV12: \
+ case VLC_CODEC_I411: \
+ case VLC_CODEC_I410: \
+ case VLC_CODEC_I444: \
+ case VLC_CODEC_J444: \
+ case VLC_CODEC_YUVA:
#define CASE_PLANAR_YUV_NONSQUARE \
- case VLC_FOURCC('I','4','2','2'): \
- case VLC_FOURCC('J','4','2','2'):
+ case VLC_CODEC_I422: \
+ case VLC_CODEC_J422:
#define CASE_PLANAR_YUV \
CASE_PLANAR_YUV_SQUARE \
CASE_PLANAR_YUV_NONSQUARE \
#define CASE_PACKED_YUV_422 \
- case VLC_FOURCC('U','Y','V','Y'): \
- case VLC_FOURCC('U','Y','N','V'): \
- case VLC_FOURCC('Y','4','2','2'): \
- case VLC_FOURCC('c','y','u','v'): \
- case VLC_FOURCC('Y','U','Y','2'): \
- case VLC_FOURCC('Y','U','N','V'): \
- case VLC_FOURCC('Y','V','Y','U'):
+ case VLC_CODEC_UYVY: \
+ case VLC_CODEC_CYUV: \
+ case VLC_CODEC_YUYV: \
+ case VLC_CODEC_YVYU:
static inline int GetPackedYuvOffsets( vlc_fourcc_t i_chroma,
int *i_y_offset, int *i_u_offset, int *i_v_offset )
{
switch( i_chroma )
{
- case VLC_FOURCC('U','Y','V','Y'):
- case VLC_FOURCC('U','Y','N','V'):
- case VLC_FOURCC('Y','4','2','2'):
- case VLC_FOURCC('c','y','u','v'): /* <-- FIXME: reverted, whatever that means */
+ case VLC_CODEC_UYVY:
+ case VLC_CODEC_CYUV: /* <-- FIXME: reverted, whatever that means */
/* UYVY */
*i_y_offset = 1;
*i_u_offset = 0;
*i_v_offset = 2;
return VLC_SUCCESS;
- case VLC_FOURCC('Y','U','Y','2'):
- case VLC_FOURCC('Y','U','N','V'):
+ 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;
*i_u_offset = 1;
*i_v_offset = 3;
return VLC_SUCCESS;
- case VLC_FOURCC('Y','V','Y','U'):
+ case VLC_CODEC_YVYU:
/* YVYU */
*i_y_offset = 0;
*i_u_offset = 3;
return VLC_EGENERIC;
}
}
+
+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 inline picture_t *CopyInfoAndRelease( picture_t *p_outpic, picture_t *p_inpic )
+{
+ picture_CopyProperties( p_outpic, p_inpic );
+
+ picture_Release( p_inpic );
+
+ return p_outpic;
+}
projects / vlc / blobdiff