X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fvideo_output%2Fvideo_text.c;h=10639f326c477300db9ba206a147905e9a2177e7;hb=61eaa3fd2d1fb30aae22f0888018de3693b215af;hp=76b5677e85a655f3fc6c71020fa83743b1f81a0f;hpb=06b63706fe03f64001693f529aafe3725f79d2cb;p=vlc diff --git a/src/video_output/video_text.c b/src/video_output/video_text.c index 76b5677e85..10639f326c 100644 --- a/src/video_output/video_text.c +++ b/src/video_output/video_text.c @@ -1,10 +1,10 @@ /***************************************************************************** * video_text.c : text manipulation functions ***************************************************************************** - * Copyright (C) 1999-2004 VideoLAN + * Copyright (C) 1999-2007 the VideoLAN team * $Id$ * - * Author: Sigmund Augdal + * Author: Sigmund Augdal Helberg * * 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 @@ -18,26 +18,32 @@ * * 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ -#include -#include "vlc_block.h" -#include "vlc_filter.h" -#include "osd.h" + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include +#include +#include +#include /** * \brief Show text on the video for some time * \param p_vout pointer to the vout the text is to be showed on * \param i_channel Subpicture channel * \param psz_string The text to be shown - * \param p_style Pointer to a struct with text style info + * \param p_style Pointer to a struct with text style info (it is duplicated if non NULL) * \param i_flags flags for alignment and such * \param i_hmargin horizontal margin in pixels * \param i_vmargin vertical margin in pixels * \param i_duration Amount of time the text is to be shown. */ int vout_ShowTextRelative( vout_thread_t *p_vout, int i_channel, - char *psz_string, text_style_t *p_style, + char *psz_string, const text_style_t *p_style, int i_flags, int i_hmargin, int i_vmargin, mtime_t i_duration ) { @@ -53,7 +59,7 @@ int vout_ShowTextRelative( vout_thread_t *p_vout, int i_channel, * \param p_vout pointer to the vout the text is to be showed on * \param i_channel Subpicture channel * \param psz_string The text to be shown - * \param p_style Pointer to a struct with text style info + * \param p_style Pointer to a struct with text style info (it is duplicated if non NULL) * \param i_flags flags for alignment and such * \param i_hmargin horizontal margin in pixels * \param i_vmargin vertical margin in pixels @@ -63,7 +69,7 @@ int vout_ShowTextRelative( vout_thread_t *p_vout, int i_channel, * is about to be shown */ int vout_ShowTextAbsolute( vout_thread_t *p_vout, int i_channel, - char *psz_string, text_style_t *p_style, + const char *psz_string, const text_style_t *p_style, int i_flags, int i_hmargin, int i_vmargin, mtime_t i_start, mtime_t i_stop ) { @@ -72,35 +78,39 @@ int vout_ShowTextAbsolute( vout_thread_t *p_vout, int i_channel, if( !psz_string ) return VLC_EGENERIC; - p_spu = vout_CreateSubPicture( p_vout, !DEFAULT_CHAN, MEMORY_SUBPICTURE ); - if( !p_spu ) return VLC_EGENERIC; + p_spu = subpicture_New(); + if( !p_spu ) + return VLC_EGENERIC; + + p_spu->i_channel = i_channel; + p_spu->i_start = i_start; + p_spu->i_stop = i_stop; + p_spu->b_ephemer = true; + p_spu->b_absolute = false; + p_spu->b_fade = true; + /* Create a new subpicture region */ memset( &fmt, 0, sizeof(video_format_t) ); - fmt.i_chroma = VLC_FOURCC('T','E','X','T'); - fmt.i_aspect = 0; + fmt.i_chroma = VLC_CODEC_TEXT; fmt.i_width = fmt.i_height = 0; fmt.i_x_offset = fmt.i_y_offset = 0; - p_spu->p_region = p_spu->pf_create_region( VLC_OBJECT(p_vout), &fmt ); + p_spu->p_region = subpicture_region_New( &fmt ); if( !p_spu->p_region ) { msg_Err( p_vout, "cannot allocate SPU region" ); - vout_DestroySubPicture( p_vout, p_spu ); + subpicture_Delete( p_spu ); return VLC_EGENERIC; } p_spu->p_region->psz_text = strdup( psz_string ); - p_spu->i_start = i_start; - p_spu->i_stop = i_stop; - p_spu->b_ephemer = 0; - p_spu->b_absolute = VLC_FALSE; - - p_spu->i_x = i_hmargin; - p_spu->i_y = i_vmargin; - p_spu->i_flags = i_flags; - p_spu->i_channel = i_channel; + p_spu->p_region->i_align = i_flags & SUBPICTURE_ALIGN_MASK; + p_spu->p_region->i_x = i_hmargin; + p_spu->p_region->i_y = i_vmargin; + if( p_style ) + p_spu->p_region->p_style = text_style_Duplicate( p_style ); - vout_DisplaySubPicture( p_vout, p_spu ); + spu_DisplaySubpicture( p_vout->p_spu, p_spu ); return VLC_SUCCESS; } @@ -114,26 +124,95 @@ int vout_ShowTextAbsolute( vout_thread_t *p_vout, int i_channel, * \param psz_format printf style formatting **/ void __vout_OSDMessage( vlc_object_t *p_caller, int i_channel, - char *psz_format, ... ) + const char *psz_format, ... ) { vout_thread_t *p_vout; - char *psz_string; + char *psz_string = NULL; va_list args; if( !config_GetInt( p_caller, "osd" ) ) return; p_vout = vlc_object_find( p_caller, VLC_OBJECT_VOUT, FIND_ANYWHERE ); - if( p_vout ) { va_start( args, psz_format ); - vasprintf( &psz_string, psz_format, args ); - - vout_ShowTextRelative( p_vout, i_channel, psz_string, NULL, - OSD_ALIGN_TOP|OSD_ALIGN_RIGHT, 30,20,1000000 ); - + if( vasprintf( &psz_string, psz_format, args ) != -1 ) + { + vout_ShowTextRelative( p_vout, i_channel, psz_string, NULL, + OSD_ALIGN_TOP|OSD_ALIGN_RIGHT, + 30 + p_vout->fmt_in.i_width + - p_vout->fmt_in.i_visible_width + - p_vout->fmt_in.i_x_offset, + 20 + p_vout->fmt_in.i_y_offset, 1000000 ); + free( psz_string ); + } vlc_object_release( p_vout ); - free( psz_string ); va_end( args ); } } + +/* */ +text_style_t *text_style_New( void ) +{ + text_style_t *p_style = calloc( 1, sizeof(*p_style) ); + if( !p_style ) + return NULL; + + /* initialize to default text style */ + p_style->psz_fontname = NULL; + p_style->i_font_size = 22; + p_style->i_font_color = 0xffffff; + p_style->i_font_alpha = 0xff; + p_style->i_style_flags = STYLE_OUTLINE; + p_style->i_outline_color = 0x000000; + p_style->i_outline_alpha = 0xff; + p_style->i_shadow_color = 0x000000; + p_style->i_shadow_alpha = 0xff; + p_style->i_background_color = 0xffffff; + p_style->i_background_alpha = 0x80; + p_style->i_karaoke_background_color = 0xffffff; + p_style->i_karaoke_background_alpha = 0xff; + p_style->i_outline_width = 1; + p_style->i_shadow_width = 0; + p_style->i_spacing = -1; + + return p_style; +} + +text_style_t *text_style_Copy( text_style_t *p_dst, const text_style_t *p_src ) +{ + if( !p_src ) + return p_dst; + + /* */ + if( p_dst->psz_fontname ) + free( p_dst->psz_fontname ); + + /* */ + *p_dst = *p_src; + + /* */ + if( p_dst->psz_fontname ) + p_dst->psz_fontname = strdup( p_dst->psz_fontname ); + + return p_dst; +} + +text_style_t *text_style_Duplicate( const text_style_t *p_src ) +{ + if( !p_src ) + return NULL; + + text_style_t *p_dst = calloc( 1, sizeof(*p_dst) ); + if( p_dst ) + text_style_Copy( p_dst, p_src ); + return p_dst; +} + +void text_style_Delete( text_style_t *p_style ) +{ + if( p_style ) + free( p_style->psz_fontname ); + free( p_style ); +} +