audiobargraph_v.c File Reference

Include dependency graph for audiobargraph_v.c:


Data Structures
struct	BarGraph_t
struct	filter_sys_t
	filter_sys_t: chroma method descriptor More...
Defines
#define	I_VALUES_TEXT N_("Value of the audio channels levels")
#define	I_VALUES_LONGTEXT
#define	POSX_TEXT N_("X coordinate")
#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	TRANS_TEXT N_("Transparency of the bargraph")
#define	TRANS_LONGTEXT
#define	POS_TEXT N_("Bargraph position")
#define	POS_LONGTEXT
#define	ALARM_TEXT N_("Alarm")
#define	ALARM_LONGTEXT
#define	BARWIDTH_TEXT N_("Bar width in pixel (default : 10)")
#define	BARWIDTH_LONGTEXT
#define	CFG_PREFIX "audiobargraph_v-"
#define	DrawPointsBlack(a, b)
#define	DrawPointsWhite(a, b)
Functions
static int	OpenSub (vlc_object_t *p_this)
	Open the sub filter.
static int	OpenVideo (vlc_object_t *p_this)
	Open the video filter.
static void	Close (vlc_object_t *p_this)
	Common close function.
int	vlc_entry__main (module_t *p_module)
const char *	vlc_entry_license__main (void)
static int	OpenCommon (vlc_object_t *p_this, bool b_sub)
	Common open function.
static subpicture_t *	FilterSub (filter_t *p_filter, mtime_t date)
	Sub filter.
static picture_t *	FilterVideo (filter_t p_filter, picture_t p_src)
	Video filter.
static int	BarGraphCallback (vlc_object_t , char const , vlc_value_t, vlc_value_t, void *)
static void	LoadBarGraph (vlc_object_t , BarGraph_t )
void	parse_i_values (BarGraph_t p_BarGraph, char i_values)
static picture_t *	LoadImage (vlc_object_t p_this, int nbChannels, int i_values, int scale, int alarm, int barWidth)
Variables
static const int	pi_pos_values [] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 }
static const char *const	ppsz_pos_descriptions []
static const char *const	ppsz_filter_options []
static const char *const	ppsz_filter_callbacks []

Define Documentation

#define ALARM_LONGTEXT

Value:

N_("Signals a silence and displays and alert " \
                "(0=no alarm, 1=alarm).")

#define ALARM_TEXT N_("Alarm")

#define BARWIDTH_LONGTEXT

Value:

N_("Width in pixel of each bar in the BarGraph to be displayed " \
                "(default : 10).")

#define BARWIDTH_TEXT N_("Bar width in pixel (default : 10)")

#define CFG_PREFIX "audiobargraph_v-"

#define DrawPointsBlack	(	a,
		b		)

Value:

{\
        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; \
        }\
    }

Referenced by LoadImage().

#define DrawPointsWhite	(	a,
		b		)

Value:

{\
        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; \
        }\
    }

Referenced by LoadImage().

#define I_VALUES_LONGTEXT

Value:

N_("Value of the audio level of each channels between 0 and 1" \
    "Each level should be separated with ':'.")

#define I_VALUES_TEXT N_("Value of the audio channels levels")

#define POS_LONGTEXT

Value:

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 POS_TEXT N_("Bargraph position")

#define POSX_LONGTEXT N_("X coordinate of the bargraph." )

#define POSX_TEXT N_("X coordinate")

#define POSY_LONGTEXT N_("Y coordinate of the bargraph." )

#define POSY_TEXT N_("Y coordinate")

#define TRANS_LONGTEXT

Value:

N_("Bargraph transparency value " \
  "(from 0 for full transparency to 255 for full opacity)." )

#define TRANS_TEXT N_("Transparency of the bargraph")

Function Documentation

static int BarGraphCallback	(	vlc_object_t *	p_this,
		char const *	psz_var,
		vlc_value_t	oldval,
		vlc_value_t	newval,
		void *	p_data
	)			`[static]`

static void Close ( vlc_object_t * p_this ) [static]

Common close function.

Close the module.

Destroys the X11 window.

Disconnect from the X server.

Close a SDL video output.

It destroys an OpenGL vout display.

Terminate a vout display created by Open.

It destroyes a Direct3D vout display.

Terminate an output method created by Open.

Release the drawable.

Close a libcaca video output.

Close a aa video output method.

Close the filter.

Terminate a splitter module.

This function closes a clone video splitter module.

Common close function.

Releases allocate resources.

Close: Destructor.

Parameters:

	p_this	pointer to this filter object
	p_this,:	the filter object

static subpicture_t * FilterSub	(	filter_t *	p_filter,
		mtime_t	date
	)			`[static]`

Sub filter.

References filter_sys_t::b_absolute, subpicture_t::b_absolute, subpicture_t::b_ephemer, filter_sys_t::b_spu_update, filter_NewSubpicture(), subpicture_region_t::i_align, subpicture_t::i_alpha, BarGraph_t::i_alpha, video_format_t::i_chroma, video_format_t::i_height, filter_sys_t::i_pos, filter_sys_t::i_pos_x, filter_sys_t::i_pos_y, video_format_t::i_sar_den, video_format_t::i_sar_num, subpicture_t::i_start, subpicture_t::i_stop, video_format_t::i_visible_height, plane_t::i_visible_lines, plane_t::i_visible_pitch, video_format_t::i_visible_width, video_format_t::i_width, subpicture_region_t::i_x, video_format_t::i_x_offset, subpicture_region_t::i_y, video_format_t::i_y_offset, filter_sys_t::lock, msg_Err, picture_t::p, filter_sys_t::p_BarGraph, BarGraph_t::p_pic, subpicture_region_t::p_picture, subpicture_t::p_region, filter_t::p_sys, picture_Copy(), SUBPICTURE_ALIGN_RIGHT, SUBPICTURE_ALIGN_TOP, subpicture_region_New(), VLC_CODEC_YUVA, vlc_mutex_lock(), vlc_mutex_unlock(), and Y_PLANE.

Referenced by OpenCommon().

static picture_t * FilterVideo	(	filter_t *	p_filter,
		picture_t *	p_src
	)			`[static]`

static void LoadBarGraph	(	vlc_object_t *	p_this,
		BarGraph_t *	p_BarGraph
	)			`[static]`

References BarGraph_t::alarm, BarGraph_t::barWidth, BarGraph_t::i_values, LoadImage(), msg_Warn, BarGraph_t::nbChannels, BarGraph_t::p_pic, and BarGraph_t::scale.

Referenced by BarGraphCallback(), and OpenCommon().

static picture_t* LoadImage	(	vlc_object_t *	p_this,
		int	nbChannels,
		int *	i_values,
		int	scale,
		int	alarm,
		int	barWidth
	)			`[static]`

References DrawPointsBlack, DrawPointsWhite, plane_t::i_pitch, picture_t::i_planes, plane_t::i_visible_lines, picture_t::p, plane_t::p_pixels, picture_New(), VLC_FOURCC, and VLC_UNUSED.

static int OpenCommon	(	vlc_object_t *	p_this,
		bool	b_sub
	)			`[static]`

static int OpenSub ( vlc_object_t * p_this ) [static]

Open the sub filter.

References OpenCommon().

static int OpenVideo ( vlc_object_t * p_this ) [static]

Open the video filter.

void parse_i_values	(	BarGraph_t *	p_BarGraph,
		char *	i_values
	)

References __MAX, __MIN, atof(), BarGraph_t::i_values, BarGraph_t::nbChannels, BarGraph_t::scale, strtok_r(), and xrealloc().

Referenced by BarGraphCallback(), and OpenCommon().

int vlc_entry__main ( module_t * p_module )

const char* vlc_entry_license__main ( void )

Variable Documentation

const int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 } [static]

const char* const ppsz_filter_callbacks[] [static]

Initial value:

 {
    "audiobargraph_v-i_values",
    "audiobargraph_v-x",
    "audiobargraph_v-y",
    "audiobargraph_v-transparency",
    "audiobargraph_v-position",
    "audiobargraph_v-alarm",
    "audiobargraph_v-barWidth",
    NULL
}

Referenced by OpenCommon().

const char* const ppsz_filter_options[] [static]

Initial value:

 {
    "i_values", "x", "y", "transparency", "position", "alarm", "barWidth", NULL
}

const char* const ppsz_pos_descriptions[] [static]

Initial value:

{ N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
  N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") }

audiobargraph_v.c File Reference

Data Structures

Defines

Functions

Variables

Define Documentation

Function Documentation

Variable Documentation