X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fvideo_filter%2Frotate.c;h=eabdfcb9e2a75da1aab108b463ec01006d1f434b;hb=f741dd1b7e5499c311bb0e91569e5d8f44835778;hp=85a7240e02efb06a554218e69543aff835652160;hpb=4f028428053d0342c55deb6ba8b8da114c6a0caa;p=vlc diff --git a/modules/video_filter/rotate.c b/modules/video_filter/rotate.c index 85a7240e02..eabdfcb9e2 100644 --- a/modules/video_filter/rotate.c +++ b/modules/video_filter/rotate.c @@ -1,7 +1,7 @@ /***************************************************************************** * rotate.c : video rotation filter ***************************************************************************** - * Copyright (C) 2000-2006 the VideoLAN team + * Copyright (C) 2000-2008 the VideoLAN team * $Id$ * * Authors: Antoine Cellerier @@ -25,12 +25,17 @@ * Preamble *****************************************************************************/ +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + #include /* sin(), cos() */ -#include -#include +#include +#include -#include "vlc_filter.h" +#include +#include "filter_picture.h" /***************************************************************************** * Local prototypes @@ -39,6 +44,7 @@ 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, @@ -56,21 +62,21 @@ static int PreciseRotateCallback( vlc_object_t *p_this, char const *psz_var, /***************************************************************************** * 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 ); +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_integer_with_range( FILTER_PREFIX "angle", 30, 0, 359, NULL, - ANGLE_TEXT, ANGLE_LONGTEXT, VLC_FALSE ); + ANGLE_TEXT, ANGLE_LONGTEXT, false ) - add_shortcut( "rotate" ); - set_callbacks( Create, Destroy ); -vlc_module_end(); + add_shortcut( "rotate" ) + set_callbacks( Create, Destroy ) +vlc_module_end () -static const char *ppsz_filter_options[] = { +static const char *const ppsz_filter_options[] = { "angle", NULL }; @@ -79,9 +85,9 @@ static const char *ppsz_filter_options[] = { *****************************************************************************/ struct filter_sys_t { - int i_angle; - int i_cos; - int i_sin; + vlc_spinlock_t lock; + int i_cos; + int i_sin; }; static inline void cache_trigo( int i_angle, int *i_sin, int *i_cos ) @@ -99,51 +105,47 @@ 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; + int i_angle = var_CreateGetIntegerCommand( p_filter, + FILTER_PREFIX "angle" ) * 10; + cache_trigo( i_angle, &p_sys->i_sin, &p_sys->i_cos ); var_Create( p_filter, FILTER_PREFIX "deciangle", VLC_VAR_INTEGER|VLC_VAR_ISCOMMAND ); + vlc_spin_init( &p_sys->lock ); 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; - return VLC_SUCCESS; } @@ -154,6 +156,10 @@ static void Destroy( vlc_object_t *p_this ) { filter_t *p_filter = (filter_t *)p_this; + var_DelCallback( p_filter, FILTER_PREFIX "angle", RotateCallback, p_filter->p_sys ); + var_DelCallback( p_filter, FILTER_PREFIX "deciangle", + PreciseRotateCallback, p_filter->p_sys ); + vlc_spin_destroy( &p_filter->p_sys->lock ); free( p_filter->p_sys ); } @@ -164,28 +170,29 @@ 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++ ) + vlc_spin_lock( &p_sys->lock ); + const int i_sin = p_sys->i_sin; + const int i_cos = p_sys->i_cos; + vlc_spin_unlock( &p_sys->lock ); + + 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; - 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_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; @@ -277,16 +284,110 @@ static picture_t *Filter( filter_t *p_filter, picture_t *p_pic ) } } - 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; - return p_outpic; + 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; + } + + p_outpic = filter_NewPicture( p_filter ); + if( !p_outpic ) + { + picture_Release( p_pic ); + return NULL; + } + + 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_pitch = p_pic->p->i_pitch; + 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; + + 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_line_center = i_visible_lines>>1; + const int i_col_center = i_visible_pitch>>1; + + vlc_spin_lock( &p_sys->lock ); + const int i_sin = p_sys->i_sin; + const int i_cos = p_sys->i_cos; + vlc_spin_unlock( &p_sys->lock ); + + int i_col, i_line; + for( i_line = 0; i_line < i_visible_lines; i_line++ ) + { + for( 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_pitch+2*i_col] = p_in[i_line_orig*i_pitch+2*i_col_orig]; + i_col_orig /= 2; + p_out_u[i_line*i_pitch+2*i_col] = p_in_u[i_line_orig*i_pitch+4*i_col_orig]; + p_out_v[i_line*i_pitch+2*i_col] = p_in_v[i_line_orig*i_pitch+4*i_col_orig]; + } + else + { + p_out[i_line*i_pitch+2*i_col] = 0x00; + p_out_u[i_line*i_pitch+2*i_col] = 0x80; + p_out_v[i_line*i_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_pitch+2*i_col] = p_in[i_line_orig*i_pitch+2*i_col_orig]; + } + else + { + p_out[i_line*i_pitch+2*i_col] = 0x00; + } + } + } + + return CopyInfoAndRelease( p_outpic, p_pic ); } /***************************************************************************** @@ -296,18 +397,23 @@ static int RotateCallback( vlc_object_t *p_this, char const *psz_var, vlc_value_t oldval, vlc_value_t newval, void *p_data ) { - 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; + oldval.i_int *= 10; + newval.i_int *= 10; + return PreciseRotateCallback( p_this, psz_var, oldval, newval, 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 ) { + 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 ); + int i_sin, i_cos; + + cache_trigo( newval.i_int, &i_sin, &i_cos ); + vlc_spin_lock( &p_sys->lock ); + p_sys->i_sin = i_sin; + p_sys->i_cos = i_cos; + vlc_spin_unlock( &p_sys->lock ); return VLC_SUCCESS; }