upnp: remove m_server_list_lock, p_server_list is already protected by s_lock
[vlc.git] / modules / video_filter / rotate.c
index 5b3e963..4a7d36a 100644 (file)
@@ -1,7 +1,7 @@
 /*****************************************************************************
  * rotate.c : video rotation filter
  *****************************************************************************
- * Copyright (C) 2000-2006 the VideoLAN team
+ * Copyright (C) 2000-2008 VLC authors and VideoLAN
  * $Id$
  *
  * Authors: Antoine Cellerier <dionoea -at- videolan -dot- org>
  * Preamble
  *****************************************************************************/
 
-#include <math.h>                                            /* sin(), cos() */
-
 #ifdef HAVE_CONFIG_H
 # include "config.h"
 #endif
 
-#include <vlc/vlc.h>
-#include <vlc_plugin.h>
-#include <vlc_vout.h>
+#include <math.h>                                            /* sin(), cos() */
 
-#include "vlc_filter.h"
+#define VLC_MODULE_LICENSE VLC_LICENSE_GPL_2_PLUS
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_atomic.h>
+#include <vlc_filter.h>
+#include "filter_picture.h"
+#include "../control/motionlib.h"
 
 /*****************************************************************************
  * Local prototypes
@@ -44,39 +46,40 @@ static int  Create    ( vlc_object_t * );
 static void Destroy   ( vlc_object_t * );
 
 static picture_t *Filter( filter_t *, picture_t * );
+static picture_t *FilterPacked( filter_t *, picture_t * );
 
 static int RotateCallback( vlc_object_t *p_this, char const *psz_var,
                            vlc_value_t oldval, vlc_value_t newval,
                            void *p_data );
 
-static int PreciseRotateCallback( vlc_object_t *p_this, char const *psz_var,
-                           vlc_value_t oldval, vlc_value_t newval,
-                           void *p_data );
-
 #define ANGLE_TEXT N_("Angle in degrees")
 #define ANGLE_LONGTEXT N_("Angle in degrees (0 to 359)")
+#define MOTION_TEXT N_("Use motion sensors")
+#define MOTION_LONGTEXT N_("Use HDAPS, AMS, APPLESMC or UNIMOTION motion " \
+    "sensors to rotate the video")
 
 #define FILTER_PREFIX "rotate-"
 
 /*****************************************************************************
  * Module descriptor
  *****************************************************************************/
-vlc_module_begin();
-    set_description( _("Rotate video filter") );
-    set_shortname( _( "Rotate" ));
-    set_capability( "video filter2", 0 );
-    set_category( CAT_VIDEO );
-    set_subcategory( SUBCAT_VIDEO_VFILTER );
-
-    add_integer_with_range( FILTER_PREFIX "angle", 30, 0, 359, NULL,
-        ANGLE_TEXT, ANGLE_LONGTEXT, false );
-
-    add_shortcut( "rotate" );
-    set_callbacks( Create, Destroy );
-vlc_module_end();
-
-static const char *ppsz_filter_options[] = {
-    "angle", NULL
+vlc_module_begin ()
+    set_description( N_("Rotate video filter") )
+    set_shortname( N_( "Rotate" ))
+    set_capability( "video filter2", 0 )
+    set_category( CAT_VIDEO )
+    set_subcategory( SUBCAT_VIDEO_VFILTER )
+
+    add_float( FILTER_PREFIX "angle", 30., ANGLE_TEXT, ANGLE_LONGTEXT, false )
+    add_bool( FILTER_PREFIX "use-motion", false, MOTION_TEXT,
+              MOTION_LONGTEXT, false )
+
+    add_shortcut( "rotate" )
+    set_callbacks( Create, Destroy )
+vlc_module_end ()
+
+static const char *const ppsz_filter_options[] = {
+    "angle", "use-motion", NULL
 };
 
 /*****************************************************************************
@@ -84,16 +87,25 @@ static const char *ppsz_filter_options[] = {
  *****************************************************************************/
 struct filter_sys_t
 {
-    int     i_angle;
-    int     i_cos;
-    int     i_sin;
+    atomic_uint_fast32_t sincos;
+    motion_sensors_t *p_motion;
 };
 
-static inline void cache_trigo( int i_angle, int *i_sin, int *i_cos )
+static void store_trigo( struct filter_sys_t *sys, float f_angle )
+{
+    f_angle *= (float)(M_PI / 180.); /* degrees -> radians */
+
+    uint16_t i_sin = lroundf(sinf(f_angle) * 4096.f);
+    uint16_t i_cos = lroundf(cosf(f_angle) * 4096.f);
+    atomic_store( &sys->sincos, (i_cos << 16u) | (i_sin << 0u));
+}
+
+static void fetch_trigo( struct filter_sys_t *sys, int *i_sin, int *i_cos )
 {
-    const double f_angle = (((double)i_angle)*M_PI)/1800.;
-    *i_sin = (int)(sin( f_angle )*4096.);
-    *i_cos = (int)(cos( f_angle )*4096.);
+    uint32_t sincos = atomic_load( &sys->sincos );
+
+    *i_sin = (int16_t)(sincos & 0xFFFF);
+    *i_cos = (int16_t)(sincos >> 16);
 }
 
 /*****************************************************************************
@@ -104,50 +116,55 @@ static int Create( vlc_object_t *p_this )
     filter_t *p_filter = (filter_t *)p_this;
     filter_sys_t *p_sys;
 
-    if(   p_filter->fmt_in.video.i_chroma != VLC_FOURCC('I','4','2','0')
-       && p_filter->fmt_in.video.i_chroma != VLC_FOURCC('I','Y','U','V')
-       && p_filter->fmt_in.video.i_chroma != VLC_FOURCC('J','4','2','0')
-       && p_filter->fmt_in.video.i_chroma != VLC_FOURCC('Y','V','1','2')
-
-       && p_filter->fmt_in.video.i_chroma != VLC_FOURCC('I','4','2','2')
-       && p_filter->fmt_in.video.i_chroma != VLC_FOURCC('J','4','2','2')
-      )
+    if( p_filter->fmt_in.video.i_chroma != p_filter->fmt_out.video.i_chroma )
     {
-        /* We only want planar YUV 4:2:0 or 4:2:2 */
-        msg_Err( p_filter, "Unsupported input chroma (%4s)",
-                 (char*)&(p_filter->fmt_in.video.i_chroma) );
+        msg_Err( p_filter, "Input and output chromas don't match" );
         return VLC_EGENERIC;
     }
 
-    if( p_filter->fmt_in.video.i_chroma != p_filter->fmt_out.video.i_chroma )
+    switch( p_filter->fmt_in.video.i_chroma )
     {
-        msg_Err( p_filter, "Input and output chromas don't match" );
-        return VLC_EGENERIC;
+        CASE_PLANAR_YUV
+            p_filter->pf_video_filter = Filter;
+            break;
+
+        CASE_PACKED_YUV_422
+            p_filter->pf_video_filter = FilterPacked;
+            break;
+
+        default:
+            msg_Err( p_filter, "Unsupported input chroma (%4.4s)",
+                     (char*)&(p_filter->fmt_in.video.i_chroma) );
+            return VLC_EGENERIC;
     }
 
     /* Allocate structure */
     p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
     if( p_filter->p_sys == NULL )
-    {
-        msg_Err( p_filter, "out of memory" );
         return VLC_ENOMEM;
-    }
     p_sys = p_filter->p_sys;
 
     config_ChainParse( p_filter, FILTER_PREFIX, ppsz_filter_options,
                        p_filter->p_cfg );
 
-    p_sys->i_angle = var_CreateGetIntegerCommand( p_filter,
-                                                  FILTER_PREFIX "angle" ) * 10;
-    var_Create( p_filter, FILTER_PREFIX "deciangle",
-                VLC_VAR_INTEGER|VLC_VAR_ISCOMMAND );
-    var_AddCallback( p_filter, FILTER_PREFIX "angle", RotateCallback, p_sys );
-    var_AddCallback( p_filter, FILTER_PREFIX "deciangle",
-                     PreciseRotateCallback, p_sys );
-
-    cache_trigo( p_sys->i_angle, &p_sys->i_sin, &p_sys->i_cos );
-
-    p_filter->pf_video_filter = Filter;
+    if( var_InheritBool( p_filter, FILTER_PREFIX "use-motion" ) )
+    {
+        p_sys->p_motion = motion_create( VLC_OBJECT( p_filter ) );
+        if( p_sys->p_motion == NULL )
+        {
+            free( p_sys );
+            return VLC_EGENERIC;
+        }
+    }
+    else
+    {
+        float f_angle = var_CreateGetFloatCommand( p_filter,
+                                                   FILTER_PREFIX "angle" );
+        store_trigo( p_sys, f_angle );
+        var_AddCallback( p_filter, FILTER_PREFIX "angle",
+                         RotateCallback, p_sys );
+        p_sys->p_motion = NULL;
+    }
 
     return VLC_SUCCESS;
 }
@@ -158,8 +175,16 @@ static int Create( vlc_object_t *p_this )
 static void Destroy( vlc_object_t *p_this )
 {
     filter_t *p_filter = (filter_t *)p_this;
+    filter_sys_t *p_sys = p_filter->p_sys;
 
-    free( p_filter->p_sys );
+    if( p_sys->p_motion != NULL )
+        motion_destroy( p_sys->p_motion );
+    else
+    {
+        var_DelCallback( p_filter, FILTER_PREFIX "angle",
+                         RotateCallback, p_sys );
+    }
+    free( p_sys );
 }
 
 /*****************************************************************************
@@ -169,38 +194,39 @@ static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
 {
     picture_t *p_outpic;
     filter_sys_t *p_sys = p_filter->p_sys;
-    int i_plane;
-    const int i_sin = p_sys->i_sin, i_cos = p_sys->i_cos;
 
     if( !p_pic ) return NULL;
 
-    p_outpic = p_filter->pf_vout_buffer_new( p_filter );
+    p_outpic = filter_NewPicture( p_filter );
     if( !p_outpic )
     {
-        msg_Warn( p_filter, "can't get output picture" );
-        if( p_pic->pf_release )
-            p_pic->pf_release( p_pic );
+        picture_Release( p_pic );
         return NULL;
     }
 
-    for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
+    if( p_sys->p_motion != NULL )
+    {
+        int i_angle = motion_get_angle( p_sys->p_motion );
+        store_trigo( p_sys, i_angle / 20.f );
+    }
+
+    int i_sin, i_cos;
+    fetch_trigo( p_sys, &i_sin, &i_cos );
+
+    for( int i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
     {
-        const int i_visible_lines = p_pic->p[i_plane].i_visible_lines;
-        const int i_visible_pitch = p_pic->p[i_plane].i_visible_pitch;
-        const int i_pitch         = p_pic->p[i_plane].i_pitch;
-        const int i_hidden_pitch  = i_pitch - i_visible_pitch;
+        plane_t *p_srcp = &p_pic->p[i_plane];
+        plane_t *p_dstp = &p_outpic->p[i_plane];
 
-        const int i_aspect = ( i_visible_lines * p_pic->p[Y_PLANE].i_visible_pitch ) / ( p_pic->p[Y_PLANE].i_visible_lines * i_visible_pitch );
+        const int i_visible_lines = p_srcp->i_visible_lines;
+        const int i_visible_pitch = p_srcp->i_visible_pitch;
+
+        const int i_aspect = __MAX( 1, ( i_visible_lines * p_pic->p[Y_PLANE].i_visible_pitch ) / ( p_pic->p[Y_PLANE].i_visible_lines * i_visible_pitch ));
         /* = 2 for U and V planes in YUV 4:2:2, = 1 otherwise */
 
         const int i_line_center = i_visible_lines>>1;
         const int i_col_center  = i_visible_pitch>>1;
 
-        const uint8_t *p_in = p_pic->p[i_plane].p_pixels;
-        uint8_t *p_out = p_outpic->p[i_plane].p_pixels;
-        uint8_t *p_outendline = p_out + i_visible_pitch;
-        const uint8_t *p_outend = p_out + i_visible_lines * i_pitch;
-
         const uint8_t black_pixel = ( i_plane == Y_PLANE ) ? 0x00 : 0x80;
 
         const int i_line_next =  i_cos / i_aspect -i_sin*i_visible_pitch;
@@ -209,17 +235,15 @@ static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
                              - i_sin * i_col_center + (1<<11) );
         int i_col_orig0 =    i_sin * i_line_center / i_aspect
                            - i_cos * i_col_center + (1<<11);
-        for( ; p_outendline < p_outend;
-             p_out += i_hidden_pitch, p_outendline += i_pitch,
-             i_line_orig0 += i_line_next, i_col_orig0 += i_col_next )
+        for( int y = 0; y < i_visible_lines; y++)
         {
-            for( ; p_out < p_outendline;
-                 p_out++, i_line_orig0 += i_sin, i_col_orig0 += i_cos )
+            uint8_t *p_out = &p_dstp->p_pixels[y * p_dstp->i_pitch];
+
+            for( int x = 0; x < i_visible_pitch; x++, p_out++ )
             {
                 const int i_line_orig = (i_line_orig0>>12)*i_aspect + i_line_center;
                 const int i_col_orig  = (i_col_orig0>>12)  + i_col_center;
-                const uint8_t* p_orig_offset = p_in + i_line_orig * i_pitch
-                                                + i_col_orig;
+                const uint8_t *p_orig_offset = &p_srcp->p_pixels[i_line_orig * p_srcp->i_pitch + i_col_orig];
                 const uint8_t i_line_percent = (i_line_orig0>>4) & 255;
                 const uint8_t i_col_percent  = (i_col_orig0 >>4) & 255;
 
@@ -244,7 +268,7 @@ static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
                              && ( i_line_orig >= 0 ) )
                             i_colpix = *p_orig_offset;
 
-                        p_orig_offset+=i_pitch;
+                        p_orig_offset += p_srcp->i_pitch;
                         if( ( i_line_orig < i_visible_lines - 1)
                             && ( i_col_orig  < i_visible_pitch - 1) )
                             i_nexpix = *p_orig_offset;
@@ -278,43 +302,135 @@ static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
                 {
                     *p_out = black_pixel;
                 }
+
+                i_line_orig0 += i_sin;
+                i_col_orig0 += i_cos;
             }
+
+            i_line_orig0 += i_line_next;
+            i_col_orig0 += i_col_next;
         }
     }
 
-    p_outpic->date = p_pic->date;
-    p_outpic->b_force = p_pic->b_force;
-    p_outpic->i_nb_fields = p_pic->i_nb_fields;
-    p_outpic->b_progressive = p_pic->b_progressive;
-    p_outpic->b_top_field_first = p_pic->b_top_field_first;
+    return CopyInfoAndRelease( p_outpic, p_pic );
+}
 
-    if( p_pic->pf_release )
-        p_pic->pf_release( p_pic );
+/*****************************************************************************
+ *
+ *****************************************************************************/
+static picture_t *FilterPacked( filter_t *p_filter, picture_t *p_pic )
+{
+    picture_t *p_outpic;
+    filter_sys_t *p_sys = p_filter->p_sys;
+
+    if( !p_pic ) return NULL;
+
+    int i_u_offset, i_v_offset, i_y_offset;
+
+    if( GetPackedYuvOffsets( p_pic->format.i_chroma, &i_y_offset,
+                             &i_u_offset, &i_v_offset ) != VLC_SUCCESS )
+    {
+        msg_Warn( p_filter, "Unsupported input chroma (%4.4s)",
+                  (char*)&(p_pic->format.i_chroma) );
+        picture_Release( p_pic );
+        return NULL;
+    }
 
-    return p_outpic;
+    p_outpic = filter_NewPicture( p_filter );
+    if( !p_outpic )
+    {
+        picture_Release( p_pic );
+        return NULL;
+    }
+
+    const int i_visible_pitch = p_pic->p->i_visible_pitch>>1; /* In fact it's i_visible_pixels */
+    const int i_visible_lines = p_pic->p->i_visible_lines;
+
+    const uint8_t *p_in   = p_pic->p->p_pixels+i_y_offset;
+    const uint8_t *p_in_u = p_pic->p->p_pixels+i_u_offset;
+    const uint8_t *p_in_v = p_pic->p->p_pixels+i_v_offset;
+    const int i_in_pitch  = p_pic->p->i_pitch;
+
+    uint8_t *p_out   = p_outpic->p->p_pixels+i_y_offset;
+    uint8_t *p_out_u = p_outpic->p->p_pixels+i_u_offset;
+    uint8_t *p_out_v = p_outpic->p->p_pixels+i_v_offset;
+    const int i_out_pitch = p_outpic->p->i_pitch;
+
+    const int i_line_center = i_visible_lines>>1;
+    const int i_col_center  = i_visible_pitch>>1;
+
+    if( p_sys->p_motion != NULL )
+    {
+        int i_angle = motion_get_angle( p_sys->p_motion );
+        store_trigo( p_sys, i_angle / 20.f );
+    }
+
+    int i_sin, i_cos;
+    fetch_trigo( p_sys, &i_sin, &i_cos );
+
+    for( int i_line = 0; i_line < i_visible_lines; i_line++ )
+    {
+        for( int i_col = 0; i_col < i_visible_pitch; i_col++ )
+        {
+            int i_line_orig;
+            int i_col_orig;
+            /* Handle "1st Y", U and V */
+            i_line_orig = i_line_center +
+                ( ( i_sin * ( i_col - i_col_center )
+                  + i_cos * ( i_line - i_line_center ) )>>12 );
+            i_col_orig = i_col_center +
+                ( ( i_cos * ( i_col - i_col_center )
+                  - i_sin * ( i_line - i_line_center ) )>>12 );
+            if( 0 <= i_col_orig && i_col_orig < i_visible_pitch
+             && 0 <= i_line_orig && i_line_orig < i_visible_lines )
+            {
+                p_out[i_line*i_out_pitch+2*i_col] = p_in[i_line_orig*i_in_pitch+2*i_col_orig];
+                i_col_orig /= 2;
+                p_out_u[i_line*i_out_pitch+2*i_col] = p_in_u[i_line_orig*i_in_pitch+4*i_col_orig];
+                p_out_v[i_line*i_out_pitch+2*i_col] = p_in_v[i_line_orig*i_in_pitch+4*i_col_orig];
+            }
+            else
+            {
+                p_out[i_line*i_out_pitch+2*i_col] = 0x00;
+                p_out_u[i_line*i_out_pitch+2*i_col] = 0x80;
+                p_out_v[i_line*i_out_pitch+2*i_col] = 0x80;
+            }
+
+            /* Handle "2nd Y" */
+            i_col++;
+            if( i_col >= i_visible_pitch )
+                break;
+
+            i_line_orig = i_line_center +
+                ( ( i_sin * ( i_col - i_col_center )
+                  + i_cos * ( i_line - i_line_center ) )>>12 );
+            i_col_orig = i_col_center +
+                ( ( i_cos * ( i_col - i_col_center )
+                  - i_sin * ( i_line - i_line_center ) )>>12 );
+            if( 0 <= i_col_orig && i_col_orig < i_visible_pitch
+             && 0 <= i_line_orig && i_line_orig < i_visible_lines )
+            {
+                p_out[i_line*i_out_pitch+2*i_col] = p_in[i_line_orig*i_in_pitch+2*i_col_orig];
+            }
+            else
+            {
+                p_out[i_line*i_out_pitch+2*i_col] = 0x00;
+            }
+        }
+    }
+
+    return CopyInfoAndRelease( p_outpic, p_pic );
 }
 
 /*****************************************************************************
- * Angle modification callbacks.
+ * Angle modification callback.
  *****************************************************************************/
 static int RotateCallback( vlc_object_t *p_this, char const *psz_var,
-                           vlc_value_t oldval, vlc_value_t newval,
-                           void *p_data )
+                           vlc_value_t oldval, vlc_value_t newval, void *data )
 {
-    VLC_UNUSED(p_this); VLC_UNUSED(psz_var); VLC_UNUSED(oldval);
-    filter_sys_t *p_sys = (filter_sys_t *)p_data;
-    p_sys->i_angle = newval.i_int*10;
-    cache_trigo( p_sys->i_angle, &p_sys->i_sin, &p_sys->i_cos );
-    return VLC_SUCCESS;
-}
+    filter_sys_t *p_sys = data;
 
-static int PreciseRotateCallback( vlc_object_t *p_this, char const *psz_var,
-                           vlc_value_t oldval, vlc_value_t newval,
-                           void *p_data )
-{
-    VLC_UNUSED(p_this); VLC_UNUSED(psz_var); VLC_UNUSED(oldval);
-    filter_sys_t *p_sys = (filter_sys_t *)p_data;
-    p_sys->i_angle = newval.i_int;
-    cache_trigo( p_sys->i_angle, &p_sys->i_sin, &p_sys->i_cos );
+    store_trigo( p_sys, newval.f_float );
+    (void) p_this; (void) psz_var; (void) oldval;
     return VLC_SUCCESS;
 }