/*****************************************************************************
* audiobargraph_v.c : audiobargraph video plugin for vlc
*****************************************************************************
- * Copyright (C) 2003-2006 the VideoLAN team
+ * Copyright (C) 2003-2006 VLC authors and VideoLAN
*
* Authors: Clement CHESNIN <clement.chesnin@gmail.com>
* Philippe COENT <philippe.coent@tdf.fr>
*
- * 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.
*****************************************************************************/
/*****************************************************************************
# include "config.h"
#endif
#include <string.h>
+#include <math.h>
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_image.h>
-#ifdef LoadImage
-# undef LoadImage
-#endif
-
/*****************************************************************************
* Module descriptor
*****************************************************************************/
-
-#define I_VALUES_TEXT N_("Value of the audio channels levels")
-#define I_VALUES_LONGTEXT N_("Value of the audio level of each channels between 0 and 1" \
- "Each level should be separated with ':'.")
+
#define POSX_TEXT N_("X coordinate")
-#define POSX_LONGTEXT N_("X coordinate of the bargraph." )
+#define POSX_LONGTEXT N_("X coordinate of the bargraph.")
#define POSY_TEXT N_("Y coordinate")
-#define POSY_LONGTEXT N_("Y coordinate of the bargraph." )
+#define POSY_LONGTEXT N_("Y coordinate of the bargraph.")
#define TRANS_TEXT N_("Transparency of the bargraph")
#define TRANS_LONGTEXT N_("Bargraph transparency value " \
- "(from 0 for full transparency to 255 for full opacity)." )
+ "(from 0 for full transparency to 255 for full opacity).")
#define POS_TEXT N_("Bargraph position")
-#define POS_LONGTEXT N_( \
+#define POS_LONGTEXT N_(\
"Enforce the bargraph position on the video " \
"(0=center, 1=left, 2=right, 4=top, 8=bottom, you can " \
"also use combinations of these values, eg 6 = top-right).")
-#define ALARM_TEXT N_("Alarm")
-#define ALARM_LONGTEXT N_("Signals a silence and displays and alert " \
- "(0=no alarm, 1=alarm).")
#define BARWIDTH_TEXT N_("Bar width in pixel (default : 10)")
#define BARWIDTH_LONGTEXT N_("Width in pixel of each bar in the BarGraph to be displayed " \
"(default : 10).")
{ N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
-static int OpenSub ( vlc_object_t * );
-static int OpenVideo( vlc_object_t * );
-static void Close ( vlc_object_t * );
+static int OpenSub (vlc_object_t *);
+static int OpenVideo(vlc_object_t *);
+static void Close (vlc_object_t *);
vlc_module_begin ()
- set_category( CAT_VIDEO )
- set_subcategory( SUBCAT_VIDEO_SUBPIC )
-
- set_capability( "sub filter", 0 )
- set_callbacks( OpenSub, Close )
- set_description( N_("Audio Bar Graph Video sub filter") )
- set_shortname( N_("Audio Bar Graph Video") )
- add_shortcut( "audiobargraph_v" )
-
- add_string( CFG_PREFIX "i_values", NULL, I_VALUES_TEXT, I_VALUES_LONGTEXT, false )
- add_integer( CFG_PREFIX "x", 0, POSX_TEXT, POSX_LONGTEXT, true )
- add_integer( CFG_PREFIX "y", 0, POSY_TEXT, POSY_LONGTEXT, true )
- add_integer_with_range( CFG_PREFIX "transparency", 255, 0, 255, NULL,
- TRANS_TEXT, TRANS_LONGTEXT, false )
- add_integer( CFG_PREFIX "position", -1, POS_TEXT, POS_LONGTEXT, false )
- change_integer_list( pi_pos_values, ppsz_pos_descriptions )
- add_integer( CFG_PREFIX "alarm", 0, ALARM_TEXT, ALARM_LONGTEXT, true )
- add_integer( CFG_PREFIX "barWidth", 10, BARWIDTH_TEXT, BARWIDTH_LONGTEXT, true )
+ set_category(CAT_VIDEO)
+ set_subcategory(SUBCAT_VIDEO_SUBPIC)
+
+ set_capability("sub source", 0)
+ set_callbacks(OpenSub, Close)
+ set_description(N_("Audio Bar Graph Video sub source"))
+ set_shortname(N_("Audio Bar Graph Video"))
+ add_shortcut("audiobargraph_v")
+
+ add_obsolete_string(CFG_PREFIX "i_values")
+ add_integer(CFG_PREFIX "x", 0, POSX_TEXT, POSX_LONGTEXT, true)
+ add_integer(CFG_PREFIX "y", 0, POSY_TEXT, POSY_LONGTEXT, true)
+ add_integer_with_range(CFG_PREFIX "transparency", 255, 0, 255,
+ TRANS_TEXT, TRANS_LONGTEXT, false)
+ add_integer(CFG_PREFIX "position", -1, POS_TEXT, POS_LONGTEXT, false)
+ change_integer_list(pi_pos_values, ppsz_pos_descriptions)
+ add_obsolete_integer(CFG_PREFIX "alarm")
+ add_integer(CFG_PREFIX "barWidth", 10, BARWIDTH_TEXT, BARWIDTH_LONGTEXT, true)
/* video output filter submodule */
add_submodule ()
- set_capability( "video filter2", 0 )
- set_callbacks( OpenVideo, Close )
- set_description( N_("Audio Bar Graph Video sub filter") )
- add_shortcut( "audiobargraph_v" )
+ set_capability("video filter2", 0)
+ set_callbacks(OpenVideo, Close)
+ set_description(N_("Audio Bar Graph Video sub source"))
+ add_shortcut("audiobargraph_v")
vlc_module_end ()
picture_t *p_pic;
mtime_t date;
int scale;
- int alarm;
+ bool alarm;
int barWidth;
} BarGraph_t;
filter_t *p_blend;
vlc_mutex_t lock;
-
+
BarGraph_t p_BarGraph;
int i_pos;
};
static const char *const ppsz_filter_options[] = {
- "i_values", "x", "y", "transparency", "position", "alarm", "barWidth", NULL
+ "x", "y", "transparency", "position", "barWidth", NULL
};
static const char *const ppsz_filter_callbacks[] = {
- "audiobargraph_v-i_values",
"audiobargraph_v-x",
"audiobargraph_v-y",
"audiobargraph_v-transparency",
"audiobargraph_v-position",
- "audiobargraph_v-alarm",
"audiobargraph_v-barWidth",
NULL
};
-static int OpenCommon( vlc_object_t *, bool b_sub );
+/*****************************************************************************
+ * IEC 268-18 Source: meterbridge
+ *****************************************************************************/
+static float iec_scale(float dB)
+{
+ if (dB < -70.0f)
+ return 0.0f;
+ if (dB < -60.0f)
+ return (dB + 70.0f) * 0.0025f;
+ if (dB < -50.0f)
+ return (dB + 60.0f) * 0.005f + 0.025f;
+ if (dB < -40.0)
+ return (dB + 50.0f) * 0.0075f + 0.075f;
+ if (dB < -30.0f)
+ return (dB + 40.0f) * 0.015f + 0.15f;
+ if (dB < -20.0f)
+ return (dB + 30.0f) * 0.02f + 0.3f;
+ if (dB < -0.001f || dB > 0.001f) /* if (dB < 0.0f) */
+ return (dB + 20.0f) * 0.025f + 0.5f;
+ return 1.0f;
+}
-static subpicture_t *FilterSub( filter_t *, mtime_t );
-static picture_t *FilterVideo( filter_t *, picture_t * );
+/*****************************************************************************
+ * parse_i_values : parse i_values parameter and store the corresponding values
+ *****************************************************************************/
+static void parse_i_values(BarGraph_t *p_BarGraph, char *i_values)
+{
+ char delim[] = ":";
+ char* tok;
-static int BarGraphCallback( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
+ p_BarGraph->nbChannels = 0;
+ free(p_BarGraph->i_values);
+ p_BarGraph->i_values = NULL;
+ char *res = strtok_r(i_values, delim, &tok);
+ while (res != NULL) {
+ p_BarGraph->nbChannels++;
+ p_BarGraph->i_values = xrealloc(p_BarGraph->i_values,
+ p_BarGraph->nbChannels*sizeof(int));
+ float db = log10(atof(res)) * 20;
+ p_BarGraph->i_values[p_BarGraph->nbChannels-1] = VLC_CLIP(iec_scale(db)*p_BarGraph->scale, 0, p_BarGraph->scale);
+ res = strtok_r(NULL, delim, &tok);
+ }
+}
-static void LoadBarGraph( vlc_object_t *, BarGraph_t *);
-void parse_i_values( BarGraph_t *p_BarGraph, char *i_values);
+/* Drawing */
-/**
- * Open the sub filter
- */
-static int OpenSub( vlc_object_t *p_this )
+static const uint8_t bright_red[4] = { 76, 85, 0xff, 0xff };
+static const uint8_t black[4] = { 0x00, 0x80, 0x80, 0xff };
+static const uint8_t white[4] = { 0xff, 0x80, 0x80, 0xff };
+static const uint8_t bright_green[4] = { 150, 44, 21, 0xff };
+static const uint8_t bright_yellow[4] = { 226, 1, 148, 0xff };
+static const uint8_t green[4] = { 74, 85, 74, 0xff };
+static const uint8_t yellow[4] = { 112, 64, 138, 0xff };
+static const uint8_t red[4] = { 37, 106, 191, 0xff };
+
+static inline void DrawHLine(plane_t *p, int line, int col, const uint8_t color[4], int w)
{
- return OpenCommon( p_this, true );
+ for (int j = 0; j < 4; j++)
+ memset(&p[j].p_pixels[line * p[j].i_pitch + col], color[j], w);
}
-/**
- * Open the video filter
- */
-static int OpenVideo( vlc_object_t *p_this )
+static void Draw2VLines(plane_t *p, int scale, int col, const uint8_t color[4])
{
- return OpenCommon( p_this, false );
+ for (int i = 10; i < scale + 10; i++)
+ DrawHLine(p, i, col, color, 2);
}
-/**
- * Common open function
- */
-static int OpenCommon( vlc_object_t *p_this, bool b_sub )
+static void DrawHLines(plane_t *p, int line, int col, const uint8_t color[4], int h, int w)
{
- filter_t *p_filter = (filter_t *)p_this;
- filter_sys_t *p_sys;
- BarGraph_t *p_BarGraph;
- char* i_values = NULL;
-
- /* */
- if( !b_sub && !es_format_IsSimilar( &p_filter->fmt_in, &p_filter->fmt_out ) )
- {
- msg_Err( p_filter, "Input and output format does not match" );
- return VLC_EGENERIC;
- }
-
-
- /* */
- p_filter->p_sys = p_sys = malloc( sizeof( *p_sys ) );
- if( !p_sys )
- return VLC_ENOMEM;
- p_BarGraph = &(p_sys->p_BarGraph);
+ for (int i = line; i < line + h; i++)
+ DrawHLine(p, i, col, color, w);
+}
- /* */
- p_sys->p_blend = NULL;
- if( !b_sub )
- {
-
- p_sys->p_blend = filter_NewBlend( VLC_OBJECT(p_filter),
- &p_filter->fmt_in.video );
- if( !p_sys->p_blend )
- {
- //free( p_BarGraph );
- free( p_sys );
- return VLC_EGENERIC;
+static void DrawNumber(plane_t *p, int h, const uint8_t data[5], int l)
+{
+ for (int i = 0; i < 5; i++) {
+ uint8_t x = data[i];
+ for (int j = 0; j < 7; j++) {
+ x <<= 1;
+ if (x & 0x80)
+ DrawHLine(p, h - l + 2 - 1 - i, 12 + j, black, 1);
}
}
+}
+/*****************************************************************************
+ * Draw: creates and returns the bar graph image
+ *****************************************************************************/
+static void Draw(BarGraph_t *b)
+{
+ int nbChannels = b->nbChannels;
+ int scale = b->scale;
+ int barWidth = b->barWidth;
+
+ int w = 40;
+ if (nbChannels > 0)
+ w = 2 * nbChannels * barWidth + 30;
+ int h = scale + 30;
+
+ int level[6];
+ for (int i = 0; i < 6; i++)
+ level[i] = iec_scale(-(i+1) * 10) * scale + 20;
+
+ if (b->p_pic)
+ picture_Release(b->p_pic);
+ b->p_pic = picture_New(VLC_FOURCC('Y','U','V','A'), w, h, 1, 1);
+ if (!b->p_pic)
+ return;
+ picture_t *p_pic = b->p_pic;
+ plane_t *p = p_pic->p;
+
+ for (int i = 0 ; i < p_pic->i_planes ; i++)
+ memset(p[i].p_pixels, 0x00, p[i].i_visible_lines * p[i].i_pitch);
+
+ Draw2VLines(p, scale, 20, black);
+ Draw2VLines(p, scale, 22, white);
+
+ static const uint8_t pixmap[6][5] = {
+ { 0x17, 0x15, 0x15, 0x15, 0x17 },
+ { 0x77, 0x45, 0x75, 0x15, 0x77 },
+ { 0x77, 0x15, 0x75, 0x15, 0x77 },
+ { 0x17, 0x15, 0x75, 0x55, 0x57 },
+ { 0x77, 0x15, 0x75, 0x45, 0x77 },
+ { 0x77, 0x55, 0x75, 0x45, 0x77 },
+ };
+
+ for (int i = 0; i < 6; i++) {
+ DrawHLines(p, h - 1 - level[i] - 1, 24, white, 1, 3);
+ DrawHLines(p, h - 1 - level[i], 24, black, 2, 3);
+ DrawNumber(p, h, pixmap[i], level[i]);
+ }
- /* */
- config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
- p_filter->p_cfg );
+ int minus8 = iec_scale(- 8) * scale + 20;
+ int minus18 = iec_scale(-18) * scale + 20;
+ int *i_values = b->i_values;
+ const uint8_t *indicator_color = b->alarm ? bright_red : black;
- /* create and initialize variables */
- p_sys->i_pos = var_CreateGetIntegerCommand( p_filter, "audiobargraph_v-position" );
- p_sys->i_pos_x = var_CreateGetIntegerCommand( p_filter, "audiobargraph_v-x" );
- p_sys->i_pos_y = var_CreateGetIntegerCommand( p_filter, "audiobargraph_v-y" );
- p_BarGraph->i_alpha = var_CreateGetIntegerCommand( p_filter,
- "audiobargraph_v-transparency" );
- p_BarGraph->i_alpha = __MAX( __MIN( p_BarGraph->i_alpha, 255 ), 0 );
- i_values = var_CreateGetStringCommand( p_filter, "audiobargraph_v-i_values" );
- //p_BarGraph->nbChannels = 0;
- //p_BarGraph->i_values = NULL;
- parse_i_values(p_BarGraph, i_values);
- p_BarGraph->alarm = var_CreateGetIntegerCommand( p_filter, "audiobargraph_v-alarm" );
- p_BarGraph->barWidth = var_CreateGetIntegerCommand( p_filter, "audiobargraph_v-barWidth" );
- p_BarGraph->scale = 400;
+ for (int i = 0; i < nbChannels; i++) {
+ int pi = 30 + i * (5 + barWidth);
- /* Ignore aligment if a position is given for video filter */
- if( !b_sub && p_sys->i_pos_x >= 0 && p_sys->i_pos_y >= 0 )
- p_sys->i_pos = 0;
+ DrawHLines(p, h - 20 - 1, pi, indicator_color, 8, barWidth);
- vlc_mutex_init( &p_sys->lock );
- LoadBarGraph( p_this, p_BarGraph );
- p_sys->b_spu_update = true;
-
- for( int i = 0; ppsz_filter_callbacks[i]; i++ )
- var_AddCallback( p_filter, ppsz_filter_callbacks[i],
- BarGraphCallback, p_sys );
+ for (int line = 20; line < i_values[i] + 20; line++) {
+ if (line < minus18)
+ DrawHLines(p, h - line - 1, pi, bright_green, 1, barWidth);
+ else if (line < minus8)
+ DrawHLines(p, h - line - 1, pi, bright_yellow, 1, barWidth);
+ else
+ DrawHLines(p, h - line - 1, pi, bright_red, 1, barWidth);
+ }
- /* Misc init */
- if( b_sub )
- {
- p_filter->pf_sub_filter = FilterSub;
- }
- else
- {
- p_filter->pf_video_filter = FilterVideo;
+ for (int line = i_values[i] + 20; line < scale + 20; line++) {
+ if (line < minus18)
+ DrawHLines(p, h - line - 1, pi, green, 1, barWidth);
+ else if (line < minus8)
+ DrawHLines(p, h - line - 1, pi, yellow, 1, barWidth);
+ else
+ DrawHLines(p, h - line - 1, pi, red, 1, barWidth);
+ }
}
-
- free( i_values );
- return VLC_SUCCESS;
}
-/**
- * Common close function
- */
-static void Close( vlc_object_t *p_this )
+/*****************************************************************************
+ * Callback to update params on the fly
+ *****************************************************************************/
+static int BarGraphCallback(vlc_object_t *p_this, char const *psz_var,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data)
{
- filter_t *p_filter = (filter_t *)p_this;
- filter_sys_t *p_sys = p_filter->p_sys;
- BarGraph_t *p_BarGraph = &(p_sys->p_BarGraph);
-
- for( int i = 0; ppsz_filter_callbacks[i]; i++ )
- var_DelCallback( p_filter, ppsz_filter_callbacks[i],
- BarGraphCallback, p_sys );
-
- if( p_sys->p_blend )
- filter_DeleteBlend( p_sys->p_blend );
+ VLC_UNUSED(p_this); VLC_UNUSED(oldval);
+ filter_sys_t *p_sys = p_data;
+ BarGraph_t *p_BarGraph = &p_sys->p_BarGraph;
+ char* res = NULL;
- vlc_mutex_destroy( &p_sys->lock );
-
- if( p_BarGraph->p_pic )
- {
- picture_Release( p_BarGraph->p_pic );
- p_BarGraph->p_pic = NULL;
+ vlc_mutex_lock(&p_sys->lock);
+ if (!strcmp(psz_var, CFG_PREFIX "x"))
+ p_sys->i_pos_x = newval.i_int;
+ else if (!strcmp(psz_var, CFG_PREFIX "y"))
+ p_sys->i_pos_y = newval.i_int;
+ else if (!strcmp(psz_var, CFG_PREFIX "position"))
+ p_sys->i_pos = newval.i_int;
+ else if (!strcmp(psz_var, CFG_PREFIX "transparency"))
+ p_BarGraph->i_alpha = VLC_CLIP(newval.i_int, 0, 255);
+ else if (!strcmp(psz_var, CFG_PREFIX "i_values")) {
+ char *psz = xstrdup(newval.psz_string ? newval.psz_string : "");
+ // in case many answer are received at the same time, only keep one
+ res = strchr(psz, '@');
+ if (res)
+ *res = '\0';
+ parse_i_values(p_BarGraph, psz);
+ free(psz);
+ Draw(p_BarGraph);
+ } else if (!strcmp(psz_var, CFG_PREFIX "alarm")) {
+ p_BarGraph->alarm = newval.b_bool;
+ Draw(p_BarGraph);
+ } else if (!strcmp(psz_var, CFG_PREFIX "barWidth")) {
+ p_BarGraph->barWidth = newval.i_int;
+ Draw(p_BarGraph);
}
- free( p_BarGraph->i_values );
-
- free( p_sys );
+ p_sys->b_spu_update = true;
+ vlc_mutex_unlock(&p_sys->lock);
+
+ return VLC_SUCCESS;
}
/**
- * Sub filter
+ * Sub source
*/
-static subpicture_t *FilterSub( filter_t *p_filter, mtime_t date )
+static subpicture_t *FilterSub(filter_t *p_filter, mtime_t date)
{
filter_sys_t *p_sys = p_filter->p_sys;
BarGraph_t *p_BarGraph = &(p_sys->p_BarGraph);
video_format_t fmt;
picture_t *p_pic;
- vlc_mutex_lock( &p_sys->lock );
+ vlc_mutex_lock(&p_sys->lock);
/* Basic test: b_spu_update occurs on a dynamic change */
- if( !p_sys->b_spu_update )
- {
- vlc_mutex_unlock( &p_sys->lock );
- return 0;
+ if (!p_sys->b_spu_update) {
+ vlc_mutex_unlock(&p_sys->lock);
+ return NULL;
}
p_pic = p_BarGraph->p_pic;
/* Allocate the subpicture internal data. */
- p_spu = filter_NewSubpicture( p_filter );
- if( !p_spu )
+ p_spu = filter_NewSubpicture(p_filter);
+ if (!p_spu)
goto exit;
p_spu->b_absolute = p_sys->b_absolute;
p_spu->b_ephemer = true;
/* Send an empty subpicture to clear the display when needed */
- if( !p_pic || !p_BarGraph->i_alpha )
+ if (!p_pic || !p_BarGraph->i_alpha)
goto exit;
/* Create new SPU region */
- memset( &fmt, 0, sizeof(video_format_t) );
+ memset(&fmt, 0, sizeof(video_format_t));
fmt.i_chroma = VLC_CODEC_YUVA;
fmt.i_sar_num = fmt.i_sar_den = 1;
fmt.i_width = fmt.i_visible_width = p_pic->p[Y_PLANE].i_visible_pitch;
fmt.i_height = fmt.i_visible_height = p_pic->p[Y_PLANE].i_visible_lines;
fmt.i_x_offset = fmt.i_y_offset = 0;
- p_region = subpicture_region_New( &fmt );
- if( !p_region )
- {
- msg_Err( p_filter, "cannot allocate SPU region" );
- p_filter->pf_sub_buffer_del( p_filter, p_spu );
+ p_region = subpicture_region_New(&fmt);
+ if (!p_region) {
+ msg_Err(p_filter, "cannot allocate SPU region");
+ p_filter->pf_sub_buffer_del(p_filter, p_spu);
p_spu = NULL;
goto exit;
}
/* */
- picture_Copy( p_region->p_picture, p_pic );
+ picture_Copy(p_region->p_picture, p_pic);
/* where to locate the bar graph: */
- if( p_sys->i_pos < 0 )
- { /* set to an absolute xy */
+ if (p_sys->i_pos < 0) { /* set to an absolute xy */
p_region->i_align = SUBPICTURE_ALIGN_RIGHT | SUBPICTURE_ALIGN_TOP;
p_spu->b_absolute = true;
- }
- else
- { /* set to one of the 9 relative locations */
+ } else { /* set to one of the 9 relative locations */
p_region->i_align = p_sys->i_pos;
p_spu->b_absolute = false;
}
p_spu->i_alpha = p_BarGraph->i_alpha ;
exit:
- vlc_mutex_unlock( &p_sys->lock );
+ vlc_mutex_unlock(&p_sys->lock);
return p_spu;
}
/**
* Video filter
*/
-static picture_t *FilterVideo( filter_t *p_filter, picture_t *p_src )
+static picture_t *FilterVideo(filter_t *p_filter, picture_t *p_src)
{
filter_sys_t *p_sys = p_filter->p_sys;
BarGraph_t *p_BarGraph = &(p_sys->p_BarGraph);
- picture_t *p_dst = filter_NewPicture( p_filter );
- if( !p_dst )
- goto exit;
+ picture_t *p_dst = filter_NewPicture(p_filter);
+ if (!p_dst) {
+ picture_Release(p_src);
+ return NULL;
+ }
- picture_Copy( p_dst, p_src );
+ picture_Copy(p_dst, p_src);
/* */
- vlc_mutex_lock( &p_sys->lock );
+ vlc_mutex_lock(&p_sys->lock);
/* */
const picture_t *p_pic = p_BarGraph->p_pic;
- if( p_pic )
- {
- const video_format_t *p_fmt = &p_pic->format;
- const int i_dst_w = p_filter->fmt_out.video.i_visible_width;
- const int i_dst_h = p_filter->fmt_out.video.i_visible_height;
-
- if( p_sys->i_pos )
- {
- if( p_sys->i_pos & SUBPICTURE_ALIGN_BOTTOM )
- {
- p_sys->i_pos_y = i_dst_h - p_fmt->i_visible_height;
- }
- else if ( !(p_sys->i_pos & SUBPICTURE_ALIGN_TOP) )
- {
- p_sys->i_pos_y = ( i_dst_h - p_fmt->i_visible_height ) / 2;
- }
- else
- {
- p_sys->i_pos_y = 0;
- }
-
- if( p_sys->i_pos & SUBPICTURE_ALIGN_RIGHT )
- {
- p_sys->i_pos_x = i_dst_w - p_fmt->i_visible_width;
- }
- else if ( !(p_sys->i_pos & SUBPICTURE_ALIGN_LEFT) )
- {
- p_sys->i_pos_x = ( i_dst_w - p_fmt->i_visible_width ) / 2;
- }
- else
- {
- p_sys->i_pos_x = 0;
- }
- }
-
- /* */
- const int i_alpha = p_BarGraph->i_alpha;
- if( filter_ConfigureBlend( p_sys->p_blend, i_dst_w, i_dst_h, p_fmt ) ||
- filter_Blend( p_sys->p_blend, p_dst, p_sys->i_pos_x, p_sys->i_pos_y,
- p_pic, i_alpha ) )
- {
- msg_Err( p_filter, "failed to blend a picture" );
- }
+ if (!p_pic)
+ goto out;
+
+ const video_format_t *p_fmt = &p_pic->format;
+ const int i_dst_w = p_filter->fmt_out.video.i_visible_width;
+ const int i_dst_h = p_filter->fmt_out.video.i_visible_height;
+
+ if (p_sys->i_pos) {
+ if (p_sys->i_pos & SUBPICTURE_ALIGN_BOTTOM)
+ p_sys->i_pos_y = i_dst_h - p_fmt->i_visible_height;
+ else if (!(p_sys->i_pos & SUBPICTURE_ALIGN_TOP))
+ p_sys->i_pos_y = (i_dst_h - p_fmt->i_visible_height) / 2;
+ else
+ p_sys->i_pos_y = 0;
+
+ if (p_sys->i_pos & SUBPICTURE_ALIGN_RIGHT)
+ p_sys->i_pos_x = i_dst_w - p_fmt->i_visible_width;
+ else if (!(p_sys->i_pos & SUBPICTURE_ALIGN_LEFT))
+ p_sys->i_pos_x = (i_dst_w - p_fmt->i_visible_width) / 2;
+ else
+ p_sys->i_pos_x = 0;
}
- vlc_mutex_unlock( &p_sys->lock );
-exit:
- picture_Release( p_src );
+ /* */
+ const int i_alpha = p_BarGraph->i_alpha;
+ if (filter_ConfigureBlend(p_sys->p_blend, i_dst_w, i_dst_h, p_fmt) ||
+ filter_Blend(p_sys->p_blend, p_dst, p_sys->i_pos_x, p_sys->i_pos_y,
+ p_pic, i_alpha))
+ msg_Err(p_filter, "failed to blend a picture");
+
+out:
+ vlc_mutex_unlock(&p_sys->lock);
+
+ picture_Release(p_src);
return p_dst;
}
-/*****************************************************************************
- * Callback to update params on the fly
- *****************************************************************************/
-static int BarGraphCallback( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
+/**
+ * Common open function
+ */
+static int OpenCommon(vlc_object_t *p_this, bool b_sub)
{
- VLC_UNUSED(oldval);
- filter_sys_t *p_sys = (filter_sys_t *)p_data;
- BarGraph_t *p_BarGraph = &(p_sys->p_BarGraph);
- char* i_values;
- char* res = NULL;
+ filter_t *p_filter = (filter_t *)p_this;
+ filter_sys_t *p_sys;
- vlc_mutex_lock( &p_sys->lock );
- if ( !strcmp( psz_var, "audiobargraph_v-x" ) )
- {
- p_sys->i_pos_x = newval.i_int;
- }
- else if ( !strcmp( psz_var, "audiobargraph_v-y" ) )
- {
- p_sys->i_pos_y = newval.i_int;
- }
- else if ( !strcmp( psz_var, "audiobargraph_v-position" ) )
- {
- p_sys->i_pos = newval.i_int;
- }
- else if ( !strcmp( psz_var, "audiobargraph_v-transparency" ) )
- {
- p_BarGraph->i_alpha = __MAX( __MIN( newval.i_int, 255 ), 0 );
- }
- else if ( !strcmp( psz_var, "audiobargraph_v-i_values" ) )
- {
- if( p_BarGraph->p_pic )
- {
- picture_Release( p_BarGraph->p_pic );
- p_BarGraph->p_pic = NULL;
- }
- i_values = strdup( newval.psz_string );
- free(p_BarGraph->i_values);
- //p_BarGraph->i_values = NULL;
- //p_BarGraph->nbChannels = 0;
- // in case many answer are received at the same time, only keep one
- res = strchr(i_values, '@');
- if (res)
- *res = 0;
- parse_i_values( p_BarGraph, i_values);
- LoadBarGraph(p_this,p_BarGraph);
- }
- else if ( !strcmp( psz_var, "audiobargraph_v-alarm" ) )
- {
- if( p_BarGraph->p_pic )
- {
- picture_Release( p_BarGraph->p_pic );
- p_BarGraph->p_pic = NULL;
- }
- p_BarGraph->alarm = newval.i_int;
- LoadBarGraph(p_this,p_BarGraph);
+ /* */
+ if (!b_sub && !es_format_IsSimilar(&p_filter->fmt_in, &p_filter->fmt_out)) {
+ msg_Err(p_filter, "Input and output format does not match");
+ return VLC_EGENERIC;
}
- else if ( !strcmp( psz_var, "audiobargraph_v-barWidth" ) )
- {
- if( p_BarGraph->p_pic )
- {
- picture_Release( p_BarGraph->p_pic );
- p_BarGraph->p_pic = NULL;
+
+
+ /* */
+ p_filter->p_sys = p_sys = malloc(sizeof(*p_sys));
+ if (!p_sys)
+ return VLC_ENOMEM;
+
+ /* */
+ p_sys->p_blend = NULL;
+ if (!b_sub) {
+ p_sys->p_blend = filter_NewBlend(VLC_OBJECT(p_filter),
+ &p_filter->fmt_in.video);
+ if (!p_sys->p_blend) {
+ free(p_sys);
+ return VLC_EGENERIC;
}
- p_BarGraph->barWidth = newval.i_int;
- LoadBarGraph(p_this,p_BarGraph);
}
- p_sys->b_spu_update = true;
- vlc_mutex_unlock( &p_sys->lock );
+
+ /* */
+ config_ChainParse(p_filter, CFG_PREFIX, ppsz_filter_options,
+ p_filter->p_cfg);
+
+ /* create and initialize variables */
+ p_sys->i_pos = var_CreateGetInteger(p_filter, CFG_PREFIX "position");
+ p_sys->i_pos_x = var_CreateGetInteger(p_filter, CFG_PREFIX "x");
+ p_sys->i_pos_y = var_CreateGetInteger(p_filter, CFG_PREFIX "y");
+ BarGraph_t *p_BarGraph = &p_sys->p_BarGraph;
+ p_BarGraph->p_pic = NULL;
+ p_BarGraph->i_alpha = var_CreateGetInteger(p_filter, CFG_PREFIX "transparency");
+ p_BarGraph->i_alpha = VLC_CLIP(p_BarGraph->i_alpha, 0, 255);
+ p_BarGraph->i_values = NULL;
+ parse_i_values(p_BarGraph, &(char){ 0 });
+ p_BarGraph->alarm = false;
+
+ p_BarGraph->barWidth = var_CreateGetInteger(p_filter, CFG_PREFIX "barWidth");
+ p_BarGraph->scale = 400;
+
+ /* Ignore aligment if a position is given for video filter */
+ if (!b_sub && p_sys->i_pos_x >= 0 && p_sys->i_pos_y >= 0)
+ p_sys->i_pos = 0;
+
+ vlc_mutex_init(&p_sys->lock);
+
+ var_Create(p_filter->p_libvlc, CFG_PREFIX "alarm", VLC_VAR_BOOL);
+ var_Create(p_filter->p_libvlc, CFG_PREFIX "i_values", VLC_VAR_STRING);
+
+ var_AddCallback(p_filter->p_libvlc, CFG_PREFIX "alarm",
+ BarGraphCallback, p_sys);
+ var_AddCallback(p_filter->p_libvlc, CFG_PREFIX "i_values",
+ BarGraphCallback, p_sys);
+
+ var_TriggerCallback(p_filter->p_libvlc, CFG_PREFIX "alarm");
+ var_TriggerCallback(p_filter->p_libvlc, CFG_PREFIX "i_values");
+
+ for (int i = 0; ppsz_filter_callbacks[i]; i++)
+ var_AddCallback(p_filter, ppsz_filter_callbacks[i],
+ BarGraphCallback, p_sys);
+
+ if (b_sub)
+ p_filter->pf_sub_source = FilterSub;
+ else
+ p_filter->pf_video_filter = FilterVideo;
return VLC_SUCCESS;
}
-/*****************************************************************************
- * LoadImage: creates and returns the bar graph image
- *****************************************************************************/
-static picture_t *LoadImage( vlc_object_t *p_this, int nbChannels, int* i_values, int scale, int alarm, int barWidth)
+/**
+ * Open the sub source
+ */
+static int OpenSub(vlc_object_t *p_this)
{
- VLC_UNUSED(p_this);
- picture_t *p_pic;
- int i,j;
- int i_width = 0;
- int i_line;
- int moinsTrois, moinsCinq, moinsSept, moinsDix, moinsVingt;
-
- if (nbChannels == 0) {
- i_width = 20;
- } else {
- i_width = 2 * nbChannels * barWidth + 10;
- }
-
- moinsTrois = 0.71*scale + 20;
- moinsCinq = 0.56*scale + 20;
- moinsSept = 0.45*scale + 20;
- moinsDix = 0.32*scale + 20;
- moinsVingt = 0.1*scale + 20;
-
- p_pic = picture_New(VLC_FOURCC('Y','U','V','A'), i_width+20, scale+30, 1, 1);
-
- // blacken the whole picture
- for( i = 0 ; i < p_pic->i_planes ; i++ )
- {
- memset( p_pic->p[i].p_pixels, 0x00,
- p_pic->p[i].i_visible_lines * p_pic->p[i].i_pitch );
- }
-
- // side bar
- for ( i_line = 20; i_line < scale+20; i_line++ ) {
-
-#define DrawPointsBlack(a,b) {\
- for (i=a; i<b; i++) {\
- *(p_pic->p[0].p_pixels + (scale + 30 - i_line - 1) * p_pic->p[0].i_pitch + i ) = 0x00; \
- *(p_pic->p[1].p_pixels + (scale + 30 - i_line - 1) * p_pic->p[1].i_pitch + i ) = 128; \
- *(p_pic->p[2].p_pixels + (scale + 30 - i_line - 1) * p_pic->p[2].i_pitch + i ) = 128; \
- *(p_pic->p[3].p_pixels + (scale + 30 - i_line - 1) * p_pic->p[3].i_pitch + i ) = 0xFF; \
- }\
- }
-#define DrawPointsWhite(a,b) {\
- for (i=a; i<b; i++) {\
- *(p_pic->p[0].p_pixels + (scale + 30 - i_line - 1) * p_pic->p[0].i_pitch + i ) = 0xFF;\
- *(p_pic->p[1].p_pixels + (scale + 30 - i_line - 1) * p_pic->p[1].i_pitch + i ) = 128;\
- *(p_pic->p[2].p_pixels + (scale + 30 - i_line - 1) * p_pic->p[2].i_pitch + i ) = 128;\
- *(p_pic->p[3].p_pixels + (scale + 30 - i_line - 1) * p_pic->p[3].i_pitch + i ) = 0xFF; \
- }\
- }
-
- // vertical line
- DrawPointsBlack(20,22);
- DrawPointsWhite(22,24);
-
- // -3dB
- if (i_line == moinsTrois - 2) {
- // 3
- DrawPointsBlack(16,19);
- }
- if (i_line == moinsTrois - 1) {
- // 3
- DrawPointsBlack(18,19);
- // limit
- DrawPointsWhite(24,27);
- }
- if (i_line == moinsTrois) {
- // 3
- DrawPointsBlack(16,19);
- // limit
- DrawPointsBlack(24,27);
- }
- if (i_line == moinsTrois + 1) {
- // 3
- DrawPointsBlack(18,19);
- // limit
- DrawPointsBlack(24,27);
- }
- if (i_line == moinsTrois + 2) {
- // 3
- DrawPointsBlack(16,19);
- }
-
- // -5dB
- if (i_line == moinsCinq - 2) {
- // 5
- DrawPointsBlack(16,19);
- }
- if (i_line == moinsCinq - 1) {
- // 5
- DrawPointsBlack(18,19);
- // limit
- DrawPointsWhite(24,27);
- }
- if (i_line == moinsCinq) {
- // 5
- DrawPointsBlack(16,19);
- // limit
- DrawPointsBlack(24,27);
- }
- if (i_line == moinsCinq + 1) {
- // 5
- DrawPointsBlack(16,17);
- // limit
- DrawPointsBlack(24,27);
- }
- if (i_line == moinsCinq + 2) {
- // 5
- DrawPointsBlack(16,19);
- }
-
- // -7dB
- if (i_line == moinsSept - 2) {
- // 7
- DrawPointsBlack(18,19);
- }
- if (i_line == moinsSept - 1) {
- // 7
- DrawPointsBlack(18,19);
- // limit
- DrawPointsWhite(24,27);
- }
- if (i_line == moinsSept) {
- // 7
- DrawPointsBlack(18,19);
- // limit
- DrawPointsBlack(24,27);
- }
- if (i_line == moinsSept + 1) {
- // 7
- DrawPointsBlack(18,19);
- // limit
- DrawPointsBlack(24,27);
- }
- if (i_line == moinsSept + 2) {
- // 7
- DrawPointsBlack(16,19);
- }
-
-
- // -10dB
- if (i_line == moinsDix - 2) {
- // 1
- DrawPointsBlack(14,15);
- // 0
- DrawPointsBlack(16,19);
- }
- if (i_line == moinsDix - 1) {
- // 1
- DrawPointsBlack(14,15);
- // 0
- DrawPointsBlack(16,17);
- DrawPointsBlack(18,19);
- // limit
- DrawPointsWhite(24,27);
- }
- if (i_line == moinsDix) {
- // 1
- DrawPointsBlack(14,15);
- // 0
- DrawPointsBlack(16,17);
- DrawPointsBlack(18,19);
- // limit
- DrawPointsBlack(24,27);
- }
- if (i_line == moinsDix + 1) {
- // 1
- DrawPointsBlack(14,15);
- // 0
- DrawPointsBlack(16,17);
- DrawPointsBlack(18,19);
- // limit
- DrawPointsBlack(24,27);
- }
- if (i_line == moinsDix + 2) {
- // 1
- DrawPointsBlack(14,15);
- // 0
- DrawPointsBlack(16,19);
- }
-
- // -20dB
- if (i_line == moinsVingt - 2) {
- // 2
- DrawPointsBlack(12,15);
- // 0
- DrawPointsBlack(16,19);
- }
- if (i_line == moinsVingt - 1) {
- // 2
- DrawPointsBlack(12,13);
- // 0
- DrawPointsBlack(16,17);
- DrawPointsBlack(18,19);
- // limit
- DrawPointsWhite(24,27);
- }
- if (i_line == moinsVingt) {
- // 2
- DrawPointsBlack(12,15);
- // 0
- DrawPointsBlack(16,17);
- DrawPointsBlack(18,19);
- // limit
- DrawPointsBlack(24,27);
- }
- if (i_line == moinsVingt + 1) {
- // 2
- DrawPointsBlack(14,15);
- // 0
- DrawPointsBlack(16,17);
- DrawPointsBlack(18,19);
- // limit
- DrawPointsBlack(24,27);
- }
- if (i_line == moinsVingt + 2) {
- // 2
- DrawPointsBlack(12,15);
- // 0
- DrawPointsBlack(16,19);
- }
-
-
- }
-
- // draw the bars and channel indicators
- for (i=0; i<nbChannels; i++) {
- for( j = barWidth+20 ; j < 2*barWidth+20; j++)
- {
- // channel indicators
- for ( i_line = 12; i_line < 18; i_line++ ) {
- // white
- *(p_pic->p[0].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[0].i_pitch +
- ( (2*i*barWidth)+j ) ) = 255;
- *(p_pic->p[1].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[1].i_pitch +
- ( (2*i*barWidth)+j ) ) = 128;
- *(p_pic->p[2].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[2].i_pitch +
- ( (2*i*barWidth)+j ) ) = 128;
- *(p_pic->p[3].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[3].i_pitch +
- ( (2*i*barWidth)+j )) = 0xFF;
- }
- // bars
- for( i_line = 20; i_line < i_values[i]+20; i_line++ )
- {
- if (i_line < moinsDix) { // green if < -10 dB
- *(p_pic->p[0].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[0].i_pitch +
- ( (2*i*barWidth)+j ) ) = 150;
- *(p_pic->p[1].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[1].i_pitch +
- ( (2*i*barWidth)+j ) ) = 44;
- *(p_pic->p[2].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[2].i_pitch +
- ( (2*i*barWidth)+j ) ) = 21;
- *(p_pic->p[3].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[3].i_pitch +
- ( (2*i*barWidth)+j )) = 0xFF;
- } else if (i_line < moinsTrois) { // yellow if > -10dB and < -3dB
- *(p_pic->p[0].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[0].i_pitch +
- ( (2*i*barWidth)+j ) ) = 226;
- *(p_pic->p[1].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[1].i_pitch +
- ( (2*i*barWidth)+j ) ) = 1;
- *(p_pic->p[2].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[2].i_pitch +
- ( (2*i*barWidth)+j ) ) = 148;
- *(p_pic->p[3].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[3].i_pitch +
- ( (2*i*barWidth)+j )) = 0xFF;
- } else { // red if > -3 dB
- *(p_pic->p[0].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[0].i_pitch +
- ( (2*i*barWidth)+j ) ) = 76;
- *(p_pic->p[1].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[1].i_pitch +
- ( (2*i*barWidth)+j ) ) = 85;
- *(p_pic->p[2].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[2].i_pitch +
- ( (2*i*barWidth)+j ) ) = 0xFF;
- *(p_pic->p[3].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[3].i_pitch +
- ( (2*i*barWidth)+j )) = 0xFF;
- }
- }
- }
- }
-
-
-
- if (alarm) {// draw the alarm square
- // bottom
- for ( i_line = 0; i_line < 10; i_line++ ) {
- for (i=0; i<i_width+20; i++) {
- *(p_pic->p[0].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[0].i_pitch + i ) = 76;
- *(p_pic->p[1].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[1].i_pitch + i ) = 85;
- *(p_pic->p[2].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[2].i_pitch + i ) = 0xFF;
- *(p_pic->p[3].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[3].i_pitch + i ) = 0xFF;
- }
- }
- // top
- for ( i_line = scale+21; i_line < scale+30; i_line++ ) {
- for (i=0; i<i_width+20; i++) {
- *(p_pic->p[0].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[0].i_pitch + i ) = 76;
- *(p_pic->p[1].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[1].i_pitch + i ) = 85;
- *(p_pic->p[2].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[2].i_pitch + i ) = 0xFF;
- *(p_pic->p[3].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[3].i_pitch + i ) = 0xFF;
- }
- }
- // sides
- for ( i_line = 9; i_line < scale+21; i_line++ ) {
- for (i=0; i<10; i++) {
- *(p_pic->p[0].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[0].i_pitch + i ) = 76;
- *(p_pic->p[1].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[1].i_pitch + i ) = 85;
- *(p_pic->p[2].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[2].i_pitch + i ) = 0xFF;
- *(p_pic->p[3].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[3].i_pitch + i ) = 0xFF;
- }
- for (i=i_width+11; i<i_width+20; i++) {
- *(p_pic->p[0].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[0].i_pitch + i ) = 76;
- *(p_pic->p[1].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[1].i_pitch + i ) = 85;
- *(p_pic->p[2].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[2].i_pitch + i ) = 0xFF;
- *(p_pic->p[3].p_pixels +
- (scale + 30 - i_line - 1) *
- p_pic->p[3].i_pitch + i ) = 0xFF;
- }
- }
- }
-
+ return OpenCommon(p_this, true);
+}
- return p_pic;
+/**
+ * Open the video filter
+ */
+static int OpenVideo(vlc_object_t *p_this)
+{
+ return OpenCommon(p_this, false);
}
-/*****************************************************************************
- * LoadBarGraph: loads the BarGraph images into memory
- *****************************************************************************/
-static void LoadBarGraph( vlc_object_t *p_this, BarGraph_t *p_BarGraph )
+/**
+ * Common close function
+ */
+static void Close(vlc_object_t *p_this)
{
+ filter_t *p_filter = (filter_t *)p_this;
+ filter_sys_t *p_sys = p_filter->p_sys;
- p_BarGraph->p_pic = LoadImage( p_this, p_BarGraph->nbChannels, p_BarGraph->i_values, p_BarGraph->scale, p_BarGraph->alarm, p_BarGraph->barWidth);
- if( !p_BarGraph->p_pic )
- {
- msg_Warn( p_this, "error while creating picture" );
- }
+ for (int i = 0; ppsz_filter_callbacks[i]; i++)
+ var_DelCallback(p_filter, ppsz_filter_callbacks[i],
+ BarGraphCallback, p_sys);
-}
+ var_DelCallback(p_filter->p_libvlc, CFG_PREFIX "i_values",
+ BarGraphCallback, p_sys);
+ var_DelCallback(p_filter->p_libvlc, CFG_PREFIX "alarm",
+ BarGraphCallback, p_sys);
+ var_Destroy(p_filter->p_libvlc, CFG_PREFIX "i_values");
+ var_Destroy(p_filter->p_libvlc, CFG_PREFIX "alarm");
-/*****************************************************************************
- * parse_i_values : parse i_values parameter and store the corresponding values
- *****************************************************************************/
-void parse_i_values( BarGraph_t *p_BarGraph, char *i_values)
-{
- char* res = NULL;
- char delim[] = ":";
- char* tok;
+ if (p_sys->p_blend)
+ filter_DeleteBlend(p_sys->p_blend);
- p_BarGraph->nbChannels = 0;
- p_BarGraph->i_values = NULL;
- res = strtok_r(i_values, delim, &tok);
- while (res != NULL) {
- p_BarGraph->nbChannels++;
- p_BarGraph->i_values = xrealloc(p_BarGraph->i_values,
- p_BarGraph->nbChannels*sizeof(int));
- p_BarGraph->i_values[p_BarGraph->nbChannels-1] = __MAX( __MIN( atof(res)*p_BarGraph->scale, p_BarGraph->scale ), 0 );
- res = strtok_r(NULL, delim, &tok);
- }
+ vlc_mutex_destroy(&p_sys->lock);
+
+ if (p_sys->p_BarGraph.p_pic)
+ picture_Release(p_sys->p_BarGraph.p_pic);
+
+ free(p_sys->p_BarGraph.i_values);
+ free(p_sys);
}