Merge svn changes up to r29150

12 files changed, 334 insertions, 311 deletions

diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1
index db32b3ad5c..931f9264db 100644
--- a/DOCS/man/en/mplayer.1
+++ b/DOCS/man/en/mplayer.1
@@ -3494,7 +3494,7 @@ Useful with slow video memory.
 .IPs pullup
 Try to apply inverse telecine, needs motion adaptive temporal deinterlacing.
 .RE
-.PD 1 
+.PD 1
 .
 .TP
 .B xvmc (X11 with \-vc ffmpeg12mc only)
diff --git a/DOCS/man/hu/mplayer.1 b/DOCS/man/hu/mplayer.1
index 30771f86d1..361822da37 100644
--- a/DOCS/man/hu/mplayer.1
+++ b/DOCS/man/hu/mplayer.1
@@ -1,4 +1,4 @@
-.\" Synced with r29059
+.\" Synced with r29147
 .\" MPlayer (C) 2000-2009 MPlayer Team
 .\" Ezt a man oldalt Gabucino, Diego Biurrun �s Jonas Jermann k�sz�ti/k�sz�tette
 .\" Karbantart�: Gabrov
@@ -33,7 +33,7 @@
 .\" N�v
 .\" --------------------------------------------------------------------------
 .
-.TH MPlayer 1 "2009. 03. 28." "MPlayer Project" "A film lej�tsz�"
+.TH MPlayer 1 "2009. 04. 05." "MPlayer Project" "A film lej�tsz�"
 .
 .SH N�V
 mplayer  \- film lej�tsz�
@@ -3131,6 +3131,10 @@ bal fels� sark�ig m�rt t�vols�g pixelben, vagy ha egy sz�zal�k jelet
 �rt�k lesz. T�mogatja tov�bb� a szabv�nyos X11 \-geometry form�tumot is.
 Ha egy k�ls� ablak is meg van adva a \-win opci�val, akkor az x �s y
 koordin�t�k az ablak bal fels� sark�hoz viszonyulnak a k�perny� helyett.
+A \-xineramascreen kapcsol�val megadott koordin�t�k a k�perny�h�z
+viszony�tottak, azon vide� kimeneti vez�rl�kn�l, amelyek teljes m�rt�kben
+t�mogatj�k a \-xineramascreen kapcsol�t (direct3d, gl, gl2, vdpau, x11, xv, xvmc).
+
 .br
 .I MEGJEGYZ�S:
 Ezt az opci�t csak az x11, xmga, xv, xvmc, xvidix, gl, gl2, directx,
@@ -3306,7 +3310,7 @@ m�k�dik.
 Ez az opci� nem alkalmas csak a kezd� k�perny� be�ll�t�s�ra (mert
 a megadott k�perny�n mindig teljes k�perny�sen jelenik meg), jelenleg
 a \-geometry a legalkalmasabb erre a c�lra.
-A gl, gl2, x11 �s az xv vide� kimeneti vez�rl� t�mogatja.
+A direct3d, gl, gl2, x11 �s az xv vide� kimeneti vez�rl� t�mogatja.
 .
 .TP
 .B \-zrbw (csak \-vo zr)
@@ -5089,6 +5093,23 @@ Az �sszer� �rt�kek 0.001 k�r�l vannak.
 .PD 1
 .
 .TP
+.B bs2b[=opci�1:opci�2]
+Bauer t�rhat�s�b�l k�t f�lesbe t�rt�n� transzform�l�s libbs2b-vel.
+Jav�tja a f�lhallgat�n t�rt�n� hallgat�st �gy, hogy a hangot hasonl�v�
+teszi, mintha hangsz�r�b�l j�nne, lehet�v� t�ve hogy mindk�t f�l
+hallja mindk�t csatorn�t figyelembe v�ve a t�vols�g differenci�t �s
+a fej �rny�kol� hat�s�t.
+Csak 2 csatorn�s audi� eset�n haszn�lhat�.
+.PD 0
+.RSs
+.IPs level=<1\-3>
+Be�ll�tja az �sszemos�s szintj�t, a nagyobb szint er�sebb effektet jelent (alap�rtelmezett: 3).
+.IPs profile=<0\-1>
+Kiv�lasztja az �sszemos�s profilt, az 1 finomabb hangot ad, mint a 0 (alap�rtelmezett: 1).
+.RE
+.PD 1
+.
+.TP
 .B hrtf[=flag]
 Head-related transfer function: T�bbcsatorn�s audi�t konvert�l
 2 csatorn�ss� f�lhallgat�s kimenethez, megtartva a hang t�rbelis�g�t.
diff --git a/DOCS/man/zh_CN/mplayer.1 b/DOCS/man/zh_CN/mplayer.1
index 44994bbf50..6d6b31f66b 100644
--- a/DOCS/man/zh_CN/mplayer.1
+++ b/DOCS/man/zh_CN/mplayer.1
@@ -1,4 +1,4 @@
-.\" sync with en/mplayer.1 r29059
+.\" sync with en/mplayer.1 r29133
 .\" Encoding: UTF-8
 .\" Reminder of hard terms which need better/final solution later: 
 .\"   /capture; playtree in parent list; colorkey; retrace; desync; downmix;
@@ -2920,6 +2920,11 @@ x 和 y 代表从屏幕左上角到显示图像左上角的距离(以像素为�
 它也支持标准 X11 的 \-geometry 选项格式。
 如果使用 \-wid 选项指定了外部窗口, 
 那么 x 和 y 坐标是相对于窗口而不是屏幕的左上角。
+坐标是相对于 \-xineramascreen 选项给出的屏幕，该屏幕用于完全支持 \-xineramascreen 的
+视频输出的驱动（direct3d、gl、gl2、vdpau、x11、xv、xvmc）。
+The coordinates are relative to the screen given with \-xineramascreen for
+the video output drivers that fully support \-xineramascreen (direct3d, gl, gl2,
+vdpau, x11, xv, xvmc).
 .br
 .I 注意：
 此选项仅被 x11、xmga、xv、xvmc、xvidix、
@@ -3079,13 +3084,9 @@ ggi 和 gl2 的都支持此功能。
 息），\-1 表示在目前窗口所在的显示屏上全屏幕。
 通过 \-geometry 选项设置的初始位置是相对于指定屏幕的。
 通常只能与 "\-fstype \-fullscreen" 或 "\-fstype none" 一起工作。
-该选项不适用于仅仅设置启动屏幕（因为其总是在指定的屏幕上以全屏方式显示），\-geometry 是目前可用
-于此目前的最好选项。
-This option is not suitable to only set the startup screen (and not also the
-fullscreen screen), \-geometry is the best that is available for that purpose
-currently.
-Supported by the gl, gl2, x11, and xv video output drivers.
-.
+该选项不适用于仅仅设置启动屏幕（并且也不适合设置全屏屏幕），\-geometry 是目前可用
+于此目的的最好选项。
+至少 direct3d、gl、gl2、x11 和 xv 视频输出驱动支持该选项。
 .TP
 .B \-zrbw (仅用于 \-vo zr)
 黑白显示。
@@ -4746,6 +4747,21 @@ delta 的正弦, 使用非常低的值听此扫听(sweep)。
 .PD 1
 .
 .TP
+.B bs2b[=option1:option2]
+使用 libbs2b 的 Bauer 立体声至双耳声道转换模式。
+通过使声音更类似于如同从扬声器传来以提升耳机的听觉效果。该模式让每个耳朵同时
+听见两个声道，并考虑了声音传播距离的差别及头部回响效果。
+该选项只能应用于 2 个声道的音频。
+.PD 0
+.RSs
+.IPs level=<1\-3>
+设置交叉反馈的级别，级别越高效果越强（默认值：3）。
+.IPs profile=<0\-1>
+选择所选用的交叉反馈配置，配置 1 输出的声音比配置 0 柔和（默认值：1）。
+.RE
+.PD 1
+.
+.TP
 .B hrtf[=flag]
 头部相关的转变功能: 为头戴式耳机转换多声道音频成双声道输出, 
 但保留声音的空间感。
diff --git a/DOCS/tech/wishlist b/DOCS/tech/wishlist
index c5fe84b932..fd53e8f660 100644
--- a/DOCS/tech/wishlist
+++ b/DOCS/tech/wishlist
@@ -44,8 +44,6 @@ Small improvements:
  * add help suboption to -lavcopts vcodec=/acodec=, -lavfopts format=,
    -subcp, and anything else that needs it.
 
- * ability to set mplayer default/startup volume
-
  * ability to cycle switch_aspect
 
  * ability to rename vo_jpeg,vo_gif,vo_png output filename
diff --git a/Makefile b/Makefile
index 5cbea790ef..90022d6b3c 100644
--- a/Makefile
+++ b/Makefile
@@ -916,9 +916,13 @@ install-gui: install-mplayer
 	$(INSTALL) -m 644 etc/mplayer.xpm $(prefix)/share/pixmaps/
 	$(INSTALL) -m 644 etc/mplayer.desktop $(prefix)/share/applications/
 
+install-gui-man:      $(foreach lang,$(MAN_LANGS),install-gui-man-$(lang))
 install-mencoder-man: $(foreach lang,$(MAN_LANGS),install-mencoder-man-$(lang))
 install-mplayer-man:  $(foreach lang,$(MAN_LANGS),install-mplayer-man-$(lang))
 
+install-gui-man-en: install-mplayer-man-en
+	cd $(MANDIR)/man1/ && ln -sf mplayer.1 gmplayer.1
+
 install-mencoder-man-en: install-mplayer-man-en
 	cd $(MANDIR)/man1 && ln -sf mplayer.1 mencoder.1
 
@@ -926,6 +930,11 @@ install-mplayer-man-en:
 	if test ! -d $(MANDIR)/man1 ; then $(INSTALL) -d $(MANDIR)/man1 ; fi
 	$(INSTALL) -m 644 DOCS/man/en/mplayer.1 $(MANDIR)/man1/
 
+define GUI_MAN_RULE
+install-gui-man-$(lang): install-mplayer-man-$(lang)
+	cd $(MANDIR)/$(lang)/man1/ && ln -sf mplayer.1 gmplayer.1
+endef
+
 define MENCODER_MAN_RULE
 install-mencoder-man-$(lang): install-mplayer-man-$(lang)
 	cd $(MANDIR)/$(lang)/man1 && ln -sf mplayer.1 mencoder.1
@@ -937,6 +946,7 @@ install-mplayer-man-$(lang):
 	$(INSTALL) -m 644 DOCS/man/$(lang)/mplayer.1 $(MANDIR)/$(lang)/man1/
 endef
 
+$(foreach lang,$(filter-out en,$(MAN_LANG_ALL)),$(eval $(GUI_MAN_RULE)))
 $(foreach lang,$(filter-out en,$(MAN_LANG_ALL)),$(eval $(MENCODER_MAN_RULE)))
 $(foreach lang,$(filter-out en,$(MAN_LANG_ALL)),$(eval $(MPLAYER_MAN_RULE)))
 
diff --git a/configure b/configure
index d7d8e85f9c..3cfbe09e4b 100755
--- a/configure
+++ b/configure
@@ -797,10 +797,10 @@ for ac_option do
     ;;
 
   --extra-cflags=*)
-    extra_cflags=`echo $ac_option | cut -d '=' -f 2`
+    extra_cflags=`echo $ac_option | cut -d '=' -f 2-`
     ;;
   --extra-ldflags=*)
-    extra_ldflags=`echo $ac_option | cut -d '=' -f 2`
+    extra_ldflags=`echo $ac_option | cut -d '=' -f 2-`
     ;;
   --extra-libs=*)
     extra_libs=`echo $ac_option | cut -d '=' -f 2`
diff --git a/etc/input.conf b/etc/input.conf
index 32fbbb5e98..6e11b40c76 100644
--- a/etc/input.conf
+++ b/etc/input.conf
@@ -20,6 +20,7 @@ PGDWN seek -600
 m mute
 # switch_audio          # switch audio streams
 + audio_delay 0.100
+= audio_delay 0.100
 - audio_delay -0.100
 [ speed_mult 0.9091	# scale playback speed
 ] speed_mult 1.1
diff --git a/gui/mplayer/gtk/fs.c b/gui/mplayer/gtk/fs.c
index fb60fe887d..238697e985 100644
--- a/gui/mplayer/gtk/fs.c
+++ b/gui/mplayer/gtk/fs.c
@@ -69,7 +69,8 @@ char * fsVideoFilterNames[][2] =
 	   { "OGG Vorbis files (*.ogg)",				"*.ogg" },
 	   { "OGG Media files (*.ogm)",					"*.ogm" },
 	   { "QuickTime files (*.mov,*.qt,*.mp4)",			"*.mov,*.qt,*.mp4" },
-	   { "RealVideo files (*.rm)",					"*.rm"  },
+	   { "RealVideo files (*.rm,*.rmvb)",				"*.rm,*.rmvb"  },
+	   { "Tivo files (*.ty)",					"*.ty"  },
 	   { "VCD/SVCD Images (*.bin)",					"*.bin" },
 	   { "VIVO files (*.viv)",					"*.viv" },
 	   { "VOB files (*.vob)",					"*.vob" },
@@ -77,7 +78,7 @@ char * fsVideoFilterNames[][2] =
 	   { "Windows Media Audio (*.wma)",				"*.wma" },
 	   { "Windows Media Video (*.wmv)",				"*.wmv" },
 	   { "Audio files",						"*.mp2,*.mp3,*.mka,*.ogg,*.wav,*.wma" },
-	   { "Video files",						"*.asf,*.avi,*.fli,*.flc,*.trp,*.divx,*.mpg,*.mpeg,*.m1v,*.flv,*.mkv,*.nuv,*.ogm,*.mov,*.qt,*.mp4,*.rm,*.bin,*.viv,*.vob,*.wmv" },
+	   { "Video files",						"*.asf,*.avi,*.fli,*.flc,*.trp,*.divx,*.mpg,*.mpeg,*.m1v,*.flv,*.mkv,*.nuv,*.ogm,*.mov,*.qt,*.mp4,*.rm,*.rmvb,*.ty,*.bin,*.viv,*.vob,*.wmv" },
 	   { "All files",						"*" },
 	   { NULL,NULL }
 	 };
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 316f4517e4..4799542421 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -472,9 +472,9 @@ const char *sws_format_name(enum PixelFormat format)
     }
 }
 
-static inline void yuv2yuvXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
-                               int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
-                               int16_t **alpSrc, uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, int dstW, int chrDstW)
+static inline void yuv2yuvXinC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+                               const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
+                               const int16_t **alpSrc, uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, int dstW, int chrDstW)
 {
     //FIXME Optimize (just quickly written not optimized..)
     int i;
@@ -516,8 +516,8 @@ static inline void yuv2yuvXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilt
 
 }
 
-static inline void yuv2nv12XinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
-                                int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
+static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+                                const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
                                 uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat)
 {
     //FIXME Optimize (just quickly written not optimized..)
@@ -993,17 +993,17 @@ static inline void yuv2nv12XinC(int16_t *lumFilter, int16_t **lumSrc, int lumFil
     }\
 
 
-static inline void yuv2packedXinC(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
-                                  int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
-                                  int16_t **alpSrc, uint8_t *dest, int dstW, int y)
+static inline void yuv2packedXinC(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+                                  const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
+                                  const int16_t **alpSrc, uint8_t *dest, int dstW, int y)
 {
     int i;
     YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGBX_C, YSCALE_YUV_2_PACKEDX_C(void,0), YSCALE_YUV_2_GRAY16_C, YSCALE_YUV_2_MONOX_C)
 }
 
-static inline void yuv2rgbXinC_full(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
-                                    int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
-                                    int16_t **alpSrc, uint8_t *dest, int dstW, int y)
+static inline void yuv2rgbXinC_full(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+                                    const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
+                                    const int16_t **alpSrc, uint8_t *dest, int dstW, int y)
 {
     int i;
     int step= fmt_depth(c->dstFormat)/8;
@@ -1094,7 +1094,7 @@ static void fillPlane(uint8_t* plane, int stride, int width, int height, int y,
     }
 }
 
-//Note: we have C, X86, MMX, MMX2, 3DNOW versions, there is no 3DNOW+MMX2 one
+//Note: we have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW+MMX2 one
 //Plain C versions
 #if !HAVE_MMX || defined (RUNTIME_CPUDETECT) || !CONFIG_GPL
 #define COMPILE_C
@@ -1146,16 +1146,6 @@ static void fillPlane(uint8_t* plane, int stride, int width, int height, int y,
 
 #if ARCH_X86
 
-//x86 versions
-/*
-#undef RENAME
-#undef HAVE_MMX
-#undef HAVE_MMX2
-#undef HAVE_AMD3DNOW
-#define ARCH_X86
-#define RENAME(a) a ## _X86
-#include "swscale_template.c"
-*/
 //MMX versions
 #ifdef COMPILE_MMX
 #undef RENAME
@@ -1776,39 +1766,55 @@ static void globalInit(void){
     }
 }
 
-static SwsFunc getSwsFunc(int flags){
+static SwsFunc getSwsFunc(SwsContext *c)
+{
+    int flags = c->flags;
 
 #if defined(RUNTIME_CPUDETECT) && CONFIG_GPL
 #if ARCH_X86
     // ordered per speed fastest first
-    if (flags & SWS_CPU_CAPS_MMX2)
+    if (flags & SWS_CPU_CAPS_MMX2) {
+        sws_init_swScale_MMX2(c);
         return swScale_MMX2;
-    else if (flags & SWS_CPU_CAPS_3DNOW)
+    } else if (flags & SWS_CPU_CAPS_3DNOW) {
+        sws_init_swScale_3DNow(c);
         return swScale_3DNow;
-    else if (flags & SWS_CPU_CAPS_MMX)
+    } else if (flags & SWS_CPU_CAPS_MMX) {
+        sws_init_swScale_MMX(c);
         return swScale_MMX;
-    else
+    } else {
+        sws_init_swScale_C(c);
         return swScale_C;
+    }
 
 #else
 #if ARCH_PPC
-    if (flags & SWS_CPU_CAPS_ALTIVEC)
+    if (flags & SWS_CPU_CAPS_ALTIVEC) {
+        sws_init_swScale_altivec(c);
         return swScale_altivec;
-    else
+    } else {
+        sws_init_swScale_C(c);
         return swScale_C;
+    }
 #endif
+    sws_init_swScale_C(c);
     return swScale_C;
 #endif /* ARCH_X86 */
 #else //RUNTIME_CPUDETECT
 #if   HAVE_MMX2
+    sws_init_swScale_MMX2(c);
     return swScale_MMX2;
 #elif HAVE_AMD3DNOW
+    sws_init_swScale_3DNow(c);
     return swScale_3DNow;
 #elif HAVE_MMX
+    sws_init_swScale_MMX(c);
     return swScale_MMX;
 #elif HAVE_ALTIVEC
+    sws_init_swScale_altivec(c);
     return swScale_altivec;
 #else
+    sws_init_swScale_C(c);
     return swScale_C;
 #endif
 #endif //!RUNTIME_CPUDETECT
@@ -1823,7 +1829,7 @@ static int PlanarToNV12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], i
     else
     {
         int i;
-        uint8_t *srcPtr= src[0];
+        const uint8_t *srcPtr= src[0];
         uint8_t *dstPtr= dst;
         for (i=0; i<srcSliceH; i++)
         {
@@ -2929,7 +2935,7 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d
                c->chrSrcW, c->chrSrcH, c->chrDstW, c->chrDstH, c->chrXInc, c->chrYInc);
     }
 
-    c->swScale= getSwsFunc(flags);
+    c->swScale= getSwsFunc(c);
     return c;
 }
 
diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index 785c00aa3c..070161900b 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -214,6 +214,57 @@ typedef struct SwsContext{
     uint64_t sparc_coeffs[10] __attribute__((aligned(8)));
 #endif
 
+    /* function pointers for swScale() */
+    void (*yuv2nv12X  )(struct SwsContext *c,
+                        const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+                        const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
+                        uint8_t *dest, uint8_t *uDest,
+                        int dstW, int chrDstW, int dstFormat);
+    void (*yuv2yuv1   )(struct SwsContext *c,
+                        const int16_t *lumSrc, const int16_t *chrSrc, const int16_t *alpSrc,
+                        uint8_t *dest,
+                        uint8_t *uDest, uint8_t *vDest, uint8_t *aDest,
+                        long dstW, long chrDstW);
+    void (*yuv2yuvX   )(struct SwsContext *c,
+                        const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+                        const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
+                        const int16_t **alpSrc,
+                        uint8_t *dest,
+                        uint8_t *uDest, uint8_t *vDest, uint8_t *aDest,
+                        long dstW, long chrDstW);
+    void (*yuv2packed1)(struct SwsContext *c,
+                        const uint16_t *buf0,
+                        const uint16_t *uvbuf0, const uint16_t *uvbuf1,
+                        const uint16_t *abuf0,
+                        uint8_t *dest,
+                        int dstW, int uvalpha, int dstFormat, int flags, int y);
+    void (*yuv2packed2)(struct SwsContext *c,
+                        const uint16_t *buf0, const uint16_t *buf1,
+                        const uint16_t *uvbuf0, const uint16_t *uvbuf1,
+                        const uint16_t *abuf0, const uint16_t *abuf1,
+                        uint8_t *dest,
+                        int dstW, int yalpha, int uvalpha, int y);
+    void (*yuv2packedX)(struct SwsContext *c,
+                        const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+                        const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
+                        const int16_t **alpSrc, uint8_t *dest,
+                        long dstW, long dstY);
+
+    void (*hyscale_internal)(uint8_t *dst, const uint8_t *src,
+                             long width, uint32_t *pal);
+    void (*hcscale_internal)(uint8_t *dstU, uint8_t *dstV,
+                             const uint8_t *src1, const uint8_t *src2,
+                             long width, uint32_t *pal);
+    void (*hyscale_fast)(struct SwsContext *c,
+                         int16_t *dst, int dstWidth,
+                         const uint8_t *src, int srcW, int xInc);
+    void (*hcscale_fast)(struct SwsContext *c,
+                         int16_t *dst, int dstWidth,
+                         const uint8_t *src1, const uint8_t *src2, int srcW, int xInc);
+
+    void (*hScale)(int16_t *dst, int dstW, const uint8_t *src, int srcW,
+                   int xInc, const int16_t *filter, const int16_t *filterPos, long filterSize);
+
 } SwsContext;
 //FIXME check init (where 0)
 
diff --git a/libswscale/swscale_template.c b/libswscale/swscale_template.c
index 4562866b7b..49ce0d32d5 100644
--- a/libswscale/swscale_template.c
+++ b/libswscale/swscale_template.c
@@ -901,8 +901,8 @@
 #define WRITEYUY2(dst, dstw, index)  REAL_WRITEYUY2(dst, dstw, index)
 
 
-static inline void RENAME(yuv2yuvX)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
-                                    int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize, int16_t **alpSrc,
+static inline void RENAME(yuv2yuvX)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+                                    const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, const int16_t **alpSrc,
                                     uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, long dstW, long chrDstW)
 {
 #if HAVE_MMX
@@ -942,8 +942,8 @@ yuv2yuvXinC(lumFilter, lumSrc, lumFilterSize,
 #endif //!HAVE_ALTIVEC
 }
 
-static inline void RENAME(yuv2nv12X)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
-                                     int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
+static inline void RENAME(yuv2nv12X)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+                                     const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
                                      uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat)
 {
 yuv2nv12XinC(lumFilter, lumSrc, lumFilterSize,
@@ -951,7 +951,7 @@ yuv2nv12XinC(lumFilter, lumSrc, lumFilterSize,
              dest, uDest, dstW, chrDstW, dstFormat);
 }
 
-static inline void RENAME(yuv2yuv1)(SwsContext *c, int16_t *lumSrc, int16_t *chrSrc, int16_t *alpSrc,
+static inline void RENAME(yuv2yuv1)(SwsContext *c, const int16_t *lumSrc, const int16_t *chrSrc, const int16_t *alpSrc,
                                     uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, long dstW, long chrDstW)
 {
     int i;
@@ -1028,9 +1028,9 @@ static inline void RENAME(yuv2yuv1)(SwsContext *c, int16_t *lumSrc, int16_t *chr
 /**
  * vertical scale YV12 to RGB
  */
-static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
-                                       int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
-                                       int16_t **alpSrc, uint8_t *dest, long dstW, long dstY)
+static inline void RENAME(yuv2packedX)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+                                       const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
+                                       const int16_t **alpSrc, uint8_t *dest, long dstW, long dstY)
 {
 #if HAVE_MMX
     x86_reg dummy=0;
@@ -1214,8 +1214,8 @@ static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_
 /**
  * vertical bilinear scale YV12 to RGB
  */
-static inline void RENAME(yuv2packed2)(SwsContext *c, uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1,
-                          uint16_t *abuf0, uint16_t *abuf1, uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
+static inline void RENAME(yuv2packed2)(SwsContext *c, const uint16_t *buf0, const uint16_t *buf1, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
+                          const uint16_t *abuf0, const uint16_t *abuf1, uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
 {
     int  yalpha1=4095- yalpha;
     int uvalpha1=4095-uvalpha;
@@ -1364,18 +1364,18 @@ YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB2_C, YSCALE_YUV_2_PACKED2_C(void,0), YSCAL
 /**
  * YV12 to RGB without scaling or interpolating
  */
-static inline void RENAME(yuv2packed1)(SwsContext *c, uint16_t *buf0, uint16_t *uvbuf0, uint16_t *uvbuf1,
-                          uint16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, int dstFormat, int flags, int y)
+static inline void RENAME(yuv2packed1)(SwsContext *c, const uint16_t *buf0, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
+                          const uint16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, int dstFormat, int flags, int y)
 {
     const int yalpha1=0;
     int i;
 
-    uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
+    const uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
     const int yalpha= 4096; //FIXME ...
 
     if (flags&SWS_FULL_CHR_H_INT)
     {
-        RENAME(yuv2packed2)(c, buf0, buf0, uvbuf0, uvbuf1, abuf0, abuf0, dest, dstW, 0, uvalpha, y);
+        c->yuv2packed2(c, buf0, buf0, uvbuf0, uvbuf1, abuf0, abuf0, dest, dstW, 0, uvalpha, y);
         return;
     }
 
@@ -1611,7 +1611,7 @@ static inline void RENAME(yuv2packed1)(SwsContext *c, uint16_t *buf0, uint16_t *
 
 //FIXME yuy2* can read up to 7 samples too much
 
-static inline void RENAME(yuy2ToY)(uint8_t *dst, uint8_t *src, long width, uint32_t *unused)
+static inline void RENAME(yuy2ToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
 {
 #if HAVE_MMX
     __asm__ volatile(
@@ -1636,7 +1636,7 @@ static inline void RENAME(yuy2ToY)(uint8_t *dst, uint8_t *src, long width, uint3
 #endif
 }
 
-static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width, uint32_t *unused)
+static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
 {
 #if HAVE_MMX
     __asm__ volatile(
@@ -1673,7 +1673,7 @@ static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1,
 
 /* This is almost identical to the previous, end exists only because
  * yuy2ToY/UV)(dst, src+1, ...) would have 100% unaligned accesses. */
-static inline void RENAME(uyvyToY)(uint8_t *dst, uint8_t *src, long width, uint32_t *unused)
+static inline void RENAME(uyvyToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
 {
 #if HAVE_MMX
     __asm__ volatile(
@@ -1697,7 +1697,7 @@ static inline void RENAME(uyvyToY)(uint8_t *dst, uint8_t *src, long width, uint3
 #endif
 }
 
-static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width, uint32_t *unused)
+static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
 {
 #if HAVE_MMX
     __asm__ volatile(
@@ -1733,14 +1733,14 @@ static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1,
 }
 
 #define BGR2Y(type, name, shr, shg, shb, maskr, maskg, maskb, RY, GY, BY, S)\
-static inline void RENAME(name)(uint8_t *dst, uint8_t *src, long width, uint32_t *unused)\
+static inline void RENAME(name)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)\
 {\
     int i;\
     for (i=0; i<width; i++)\
     {\
-        int b= (((type*)src)[i]>>shb)&maskb;\
-        int g= (((type*)src)[i]>>shg)&maskg;\
-        int r= (((type*)src)[i]>>shr)&maskr;\
+        int b= (((const type*)src)[i]>>shb)&maskb;\
+        int g= (((const type*)src)[i]>>shg)&maskg;\
+        int r= (((const type*)src)[i]>>shr)&maskr;\
 \
         dst[i]= (((RY)*r + (GY)*g + (BY)*b + (33<<((S)-1)))>>(S));\
     }\
@@ -1753,7 +1753,7 @@ BGR2Y(uint16_t, bgr15ToY, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RY<<10, GY<<5, BY
 BGR2Y(uint16_t, rgb16ToY, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RY    , GY<<5, BY<<11, RGB2YUV_SHIFT+8)
 BGR2Y(uint16_t, rgb15ToY, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RY    , GY<<5, BY<<10, RGB2YUV_SHIFT+7)
 
-static inline void RENAME(abgrToA)(uint8_t *dst, uint8_t *src, long width, uint32_t *unused){
+static inline void RENAME(abgrToA)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused){
     int i;
     for (i=0; i<width; i++){
         dst[i]= src[4*i];
@@ -1761,26 +1761,26 @@ static inline void RENAME(abgrToA)(uint8_t *dst, uint8_t *src, long width, uint3
 }
 
 #define BGR2UV(type, name, shr, shg, shb, maska, maskr, maskg, maskb, RU, GU, BU, RV, GV, BV, S)\
-static inline void RENAME(name)(uint8_t *dstU, uint8_t *dstV, uint8_t *src, uint8_t *dummy, long width, uint32_t *unused)\
+static inline void RENAME(name)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, const uint8_t *dummy, long width, uint32_t *unused)\
 {\
     int i;\
     for (i=0; i<width; i++)\
     {\
-        int b= (((type*)src)[i]&maskb)>>shb;\
-        int g= (((type*)src)[i]&maskg)>>shg;\
-        int r= (((type*)src)[i]&maskr)>>shr;\
+        int b= (((const type*)src)[i]&maskb)>>shb;\
+        int g= (((const type*)src)[i]&maskg)>>shg;\
+        int r= (((const type*)src)[i]&maskr)>>shr;\
 \
         dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<((S)-1)))>>(S);\
         dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<((S)-1)))>>(S);\
     }\
 }\
-static inline void RENAME(name ## _half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src, uint8_t *dummy, long width, uint32_t *unused)\
+static inline void RENAME(name ## _half)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, const uint8_t *dummy, long width, uint32_t *unused)\
 {\
     int i;\
     for (i=0; i<width; i++)\
     {\
-        int pix0= ((type*)src)[2*i+0];\
-        int pix1= ((type*)src)[2*i+1];\
+        int pix0= ((const type*)src)[2*i+0];\
+        int pix1= ((const type*)src)[2*i+1];\
         int g= (pix0&~(maskr|maskb))+(pix1&~(maskr|maskb));\
         int b= ((pix0+pix1-g)&(maskb|(2*maskb)))>>shb;\
         int r= ((pix0+pix1-g)&(maskr|(2*maskr)))>>shr;\
@@ -1801,7 +1801,7 @@ BGR2UV(uint16_t, rgb16ToUV, 0, 0, 0,          0,   0xF800, 0x07E0,   0x001F, RU
 BGR2UV(uint16_t, rgb15ToUV, 0, 0, 0,          0,   0x7C00, 0x03E0,   0x001F, RU    , GU<<5, BU<<10, RV    , GV<<5, BV<<10, RGB2YUV_SHIFT+7)
 
 #if HAVE_MMX
-static inline void RENAME(bgr24ToY_mmx)(uint8_t *dst, uint8_t *src, long width, int srcFormat)
+static inline void RENAME(bgr24ToY_mmx)(uint8_t *dst, const uint8_t *src, long width, int srcFormat)
 {
 
     if(srcFormat == PIX_FMT_BGR24){
@@ -1854,7 +1854,7 @@ static inline void RENAME(bgr24ToY_mmx)(uint8_t *dst, uint8_t *src, long width,
     );
 }
 
-static inline void RENAME(bgr24ToUV_mmx)(uint8_t *dstU, uint8_t *dstV, uint8_t *src, long width, int srcFormat)
+static inline void RENAME(bgr24ToUV_mmx)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, long width, int srcFormat)
 {
     __asm__ volatile(
         "movq                    24+%4, %%mm6       \n\t"
@@ -1913,7 +1913,7 @@ static inline void RENAME(bgr24ToUV_mmx)(uint8_t *dstU, uint8_t *dstV, uint8_t *
 }
 #endif
 
-static inline void RENAME(bgr24ToY)(uint8_t *dst, uint8_t *src, long width, uint32_t *unused)
+static inline void RENAME(bgr24ToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
 {
 #if HAVE_MMX
     RENAME(bgr24ToY_mmx)(dst, src, width, PIX_FMT_BGR24);
@@ -1930,7 +1930,7 @@ static inline void RENAME(bgr24ToY)(uint8_t *dst, uint8_t *src, long width, uint
 #endif /* HAVE_MMX */
 }
 
-static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width, uint32_t *unused)
+static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
 {
 #if HAVE_MMX
     RENAME(bgr24ToUV_mmx)(dstU, dstV, src1, width, PIX_FMT_BGR24);
@@ -1949,7 +1949,7 @@ static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
     assert(src1 == src2);
 }
 
-static inline void RENAME(bgr24ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width, uint32_t *unused)
+static inline void RENAME(bgr24ToUV_half)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
 {
     int i;
     for (i=0; i<width; i++)
@@ -1964,7 +1964,7 @@ static inline void RENAME(bgr24ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t
     assert(src1 == src2);
 }
 
-static inline void RENAME(rgb24ToY)(uint8_t *dst, uint8_t *src, long width, uint32_t *unused)
+static inline void RENAME(rgb24ToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
 {
 #if HAVE_MMX
     RENAME(bgr24ToY_mmx)(dst, src, width, PIX_FMT_RGB24);
@@ -1981,7 +1981,7 @@ static inline void RENAME(rgb24ToY)(uint8_t *dst, uint8_t *src, long width, uint
 #endif
 }
 
-static inline void RENAME(rgb24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width, uint32_t *unused)
+static inline void RENAME(rgb24ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
 {
 #if HAVE_MMX
     assert(src1==src2);
@@ -2001,7 +2001,7 @@ static inline void RENAME(rgb24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
 #endif
 }
 
-static inline void RENAME(rgb24ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width, uint32_t *unused)
+static inline void RENAME(rgb24ToUV_half)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
 {
     int i;
     assert(src1==src2);
@@ -2017,7 +2017,7 @@ static inline void RENAME(rgb24ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t
 }
 
 
-static inline void RENAME(palToY)(uint8_t *dst, uint8_t *src, long width, uint32_t *pal)
+static inline void RENAME(palToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *pal)
 {
     int i;
     for (i=0; i<width; i++)
@@ -2028,7 +2028,9 @@ static inline void RENAME(palToY)(uint8_t *dst, uint8_t *src, long width, uint32
     }
 }
 
-static inline void RENAME(palToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width, uint32_t *pal)
+static inline void RENAME(palToUV)(uint8_t *dstU, uint8_t *dstV,
+                                   const uint8_t *src1, const uint8_t *src2,
+                                   long width, uint32_t *pal)
 {
     int i;
     assert(src1 == src2);
@@ -2041,7 +2043,7 @@ static inline void RENAME(palToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1,
     }
 }
 
-static inline void RENAME(monowhite2Y)(uint8_t *dst, uint8_t *src, long width, uint32_t *unused)
+static inline void RENAME(monowhite2Y)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
 {
     int i, j;
     for (i=0; i<width/8; i++){
@@ -2051,7 +2053,7 @@ static inline void RENAME(monowhite2Y)(uint8_t *dst, uint8_t *src, long width, u
     }
 }
 
-static inline void RENAME(monoblack2Y)(uint8_t *dst, uint8_t *src, long width, uint32_t *unused)
+static inline void RENAME(monoblack2Y)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
 {
     int i, j;
     for (i=0; i<width/8; i++){
@@ -2062,8 +2064,8 @@ static inline void RENAME(monoblack2Y)(uint8_t *dst, uint8_t *src, long width, u
 }
 
 // bilinear / bicubic scaling
-static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW, int xInc,
-                                  int16_t *filter, int16_t *filterPos, long filterSize)
+static inline void RENAME(hScale)(int16_t *dst, int dstW, const uint8_t *src, int srcW, int xInc,
+                                  const int16_t *filter, const int16_t *filterPos, long filterSize)
 {
 #if HAVE_MMX
     assert(filterSize % 4 == 0 && filterSize>0);