null.c File Reference

#include "config.h"
#include "config_unix.h"
#include "config_win32.h"
#include "debug.h"
#include "lib_common.h"
#include "video.h"
#include "video_display.h"

Include dependency graph for null.c:

Go to the source code of this file.

Classes
struct	state_null

Macros
#define	MAGIC_NULL   0x17bad83f

Functions
static void	display_null_done (void *state)
static bool	display_null_get_property (void *state, int property, void *val, size_t *len)
static struct video_frame *	display_null_getf (void *state)
static void *	display_null_init (struct module *parent, const char *fmt, unsigned int flags)
static void	display_null_probe (struct device_info **available_cards, int *count, void(**deleter)(void *))
static void	display_null_put_audio_frame (void *state, const struct audio_frame *frame)
static bool	display_null_putf (void *state, struct video_frame *frame, long long nonblock)
static bool	display_null_reconfigure (void *state, struct video_desc desc)
static bool	display_null_reconfigure_audio (void *state, int quant_samples, int channels, int sample_rate)
	REGISTER_HIDDEN_MODULE (none, &display_null_info, LIBRARY_CLASS_VIDEO_DISPLAY, VIDEO_DISPLAY_ABI_VERSION)

Variables
static const struct video_display_info	display_null_info

Macro Definition Documentation

MAGIC_NULL

#define MAGIC_NULL   0x17bad83f

Definition at line 54 of file null.c.

Referenced by display_null_done(), display_null_getf(), display_null_init(), display_null_putf(), and display_null_reconfigure().

Function Documentation

display_null_done()

static void display_null_done ( void * state )

static

Definition at line 81 of file null.c.

{
        struct state_null *s = (struct state_null *)state;
        assert(s->magic == MAGIC_NULL);
        free(s);
}

References state_null::magic, MAGIC_NULL, and state.

display_null_get_property()

static bool display_null_get_property ( void * state, int property, void * val, size_t * len )

static

Definition at line 104 of file null.c.

{
        UNUSED(state);
        UNUSED(property);
        UNUSED(val);
        UNUSED(len);
        
        return false;
}

References len, property, state, UNUSED, and val.

display_null_getf()

static struct video_frame * display_null_getf ( void * state )

static

Definition at line 88 of file null.c.

{
        struct state_null *s = (struct state_null *)state;
        assert(s->magic == MAGIC_NULL);
        return NULL;
}

References state_null::magic, MAGIC_NULL, and state.

display_null_init()

static void * display_null_init ( struct module * parent, const char * fmt, unsigned int flags )

static

Definition at line 67 of file null.c.

{
        UNUSED(fmt);
        UNUSED(flags);
        UNUSED(parent);
        struct state_null *s;
 
        s = (struct state_null *)calloc(1, sizeof(struct state_null));
        if (s != NULL) {
                s->magic = MAGIC_NULL;
        }
        return s;
}

References flags, fmt, state_null::magic, MAGIC_NULL, parent, and UNUSED.

display_null_probe()

static void display_null_probe ( struct device_info ** available_cards, int * count, void(** deleter )(void *) )

static

Definition at line 60 of file null.c.

{
        UNUSED(deleter);
        *available_cards = NULL;
        *count = 0;
}

References count, deleter, and UNUSED.

display_null_put_audio_frame()

static void display_null_put_audio_frame ( void * state, const struct audio_frame * frame )

static

Definition at line 123 of file null.c.

{
        UNUSED(state);
        UNUSED(frame);
}

References frame, state, and UNUSED.

display_null_putf()

static bool display_null_putf ( void * state, struct video_frame * frame, long long nonblock )

static

Definition at line 95 of file null.c.

{
        struct state_null *s = (struct state_null *)state;
        assert(s->magic == MAGIC_NULL);
        UNUSED(frame);
        UNUSED(nonblock);
        return true;
}

References frame, state_null::magic, MAGIC_NULL, nonblock, state, and UNUSED.

display_null_reconfigure()

static bool display_null_reconfigure ( void * state, struct video_desc desc )

static

Definition at line 114 of file null.c.

{
        UNUSED(desc);
        struct state_null *s = (struct state_null *)state;
        assert(s->magic == MAGIC_NULL);
 
        return true;
}

References desc, state_null::magic, MAGIC_NULL, state, and UNUSED.

display_null_reconfigure_audio()

static bool display_null_reconfigure_audio ( void * state, int quant_samples, int channels, int sample_rate )

static

Definition at line 129 of file null.c.

{
        UNUSED(state);
        UNUSED(quant_samples);
        UNUSED(channels);
        UNUSED(sample_rate);
 
        return false;
}

References channels, quant_samples, sample_rate, state, and UNUSED.

REGISTER_HIDDEN_MODULE()

REGISTER_HIDDEN_MODULE	(	none	,
		&	display_null_info,
		LIBRARY_CLASS_VIDEO_DISPLAY	,
		VIDEO_DISPLAY_ABI_VERSION	)

Variable Documentation

display_null_info

const struct video_display_info display_null_info

static

Initial value:

= {
        display_null_probe,
        display_null_init,
        NULL, 
        display_null_done,
        display_null_getf,
        display_null_putf,
        display_null_reconfigure,
        display_null_get_property,
        display_null_put_audio_frame,
        display_null_reconfigure_audio,
        DISPLAY_NO_GENERIC_FPS_INDICATOR,
}

Definition at line 140 of file null.c.

                                                           {
        display_null_probe,
        display_null_init,
        NULL, // _run
        display_null_done,
        display_null_getf,
        display_null_putf,
        display_null_reconfigure,
        display_null_get_property,
        display_null_put_audio_frame,
        display_null_reconfigure_audio,
        DISPLAY_NO_GENERIC_FPS_INDICATOR,
};