video_processor_v4l2.c File Reference

#include <libretro.h>
#include <clamping.h>
#include <sys/mman.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <linux/videodev2.h>
#include <libv4l2.h>
#include <string/stdstring.h>

Include dependency graph for video_processor_v4l2.c:

Classes
struct	v4l2_capbuf

Macros
#define	LIBRARY_NAME   "V4L2"
#define	LIBRARY_VERSION   "0.0.2"
#define	VIDEO_BUFFERS_MAX   2
#define	AUDIO_SAMPLE_RATE   48000
#define	AUDIO_BUFSIZE   64
#define	ENVVAR_BUFLEN   1024
#define	VIDEOPROC_CORE_PREFIX(s)   s

Functions
static retro_environment_t	VIDEOPROC_CORE_PREFIX (environment_cb)
static retro_video_refresh_t	VIDEOPROC_CORE_PREFIX (video_refresh_cb)
static retro_audio_sample_t	VIDEOPROC_CORE_PREFIX (audio_sample_cb)
static retro_audio_sample_batch_t	VIDEOPROC_CORE_PREFIX (audio_sample_batch_cb)
static retro_input_poll_t	VIDEOPROC_CORE_PREFIX (input_poll_cb)
static retro_input_state_t	VIDEOPROC_CORE_PREFIX (input_state_cb)
static void	appendstr (char *dst, const char *src, size_t dstsize)
static void	enumerate_video_devices (char *buf, size_t buflen)
static void	enumerate_audio_devices (char *buf, size_t buflen)
RETRO_API void VIDEOPROC_CORE_PREFIX()	retro_set_environment (retro_environment_t cb)
RETRO_API void VIDEOPROC_CORE_PREFIX()	retro_set_video_refresh (retro_video_refresh_t cb)
RETRO_API void VIDEOPROC_CORE_PREFIX()	retro_set_audio_sample (retro_audio_sample_t cb)
RETRO_API void VIDEOPROC_CORE_PREFIX()	retro_set_audio_sample_batch (retro_audio_sample_batch_t cb)
RETRO_API void VIDEOPROC_CORE_PREFIX()	retro_set_input_poll (retro_input_poll_t cb)
RETRO_API void VIDEOPROC_CORE_PREFIX()	retro_set_input_state (retro_input_state_t cb)
RETRO_API void VIDEOPROC_CORE_PREFIX()	retro_init (void)
static bool	open_devices (void)
static void	close_devices (void)
RETRO_API void VIDEOPROC_CORE_PREFIX()	retro_deinit (void)
RETRO_API unsigned VIDEOPROC_CORE_PREFIX()	retro_api_version (void)
RETRO_API void VIDEOPROC_CORE_PREFIX()	retro_get_system_info (struct retro_system_info *info)
RETRO_API void VIDEOPROC_CORE_PREFIX()	retro_get_system_av_info (struct retro_system_av_info *info)
RETRO_API void VIDEOPROC_CORE_PREFIX()	retro_set_controller_port_device (unsigned port, unsigned device)
RETRO_API void VIDEOPROC_CORE_PREFIX()	retro_reset (void)
void	v4l2_frame_times (struct v4l2_buffer buf)
void	source_dummy (int width, int height)
void	source_v4l2_normal (int width, int height)
void	source_v4l2_alternate_hack (int width, int height)
void	processing_heal (uint8_t *src, int width, int height)
void	processing_deinterlacing_crap (uint32_t *src, uint32_t *dst, int width, int height, enum v4l2_field field, int skip_lines_src)
void	processing_bgr_xrgb (uint8_t *src, uint32_t *dst, int width, int height)
RETRO_API void VIDEOPROC_CORE_PREFIX()	retro_run (void)
RETRO_API size_t VIDEOPROC_CORE_PREFIX()	retro_serialize_size (void)
RETRO_API bool VIDEOPROC_CORE_PREFIX()	retro_serialize (void *data, size_t size)
RETRO_API bool VIDEOPROC_CORE_PREFIX()	retro_unserialize (const void *data, size_t size)
RETRO_API void VIDEOPROC_CORE_PREFIX()	retro_cheat_reset (void)
RETRO_API void VIDEOPROC_CORE_PREFIX()	retro_cheat_set (unsigned index, bool enabled, const char *code)
static void	videoinput_set_control_v4l2 (uint32_t id, double val)
RETRO_API bool VIDEOPROC_CORE_PREFIX()	retro_load_game (const struct retro_game_info *game)
RETRO_API void VIDEOPROC_CORE_PREFIX()	retro_unload_game (void)
RETRO_API bool VIDEOPROC_CORE_PREFIX()	retro_load_game_special (unsigned game_type, const struct retro_game_info *info, size_t num_info)
RETRO_API unsigned VIDEOPROC_CORE_PREFIX()	retro_get_region (void)
RETRO_API void *VIDEOPROC_CORE_PREFIX()	retro_get_memory_data (unsigned id)
RETRO_API size_t VIDEOPROC_CORE_PREFIX()	retro_get_memory_size (unsigned id)

Variables
static int	video_device_fd = -1
static char	video_device [ENVVAR_BUFLEN]
static char	audio_device [ENVVAR_BUFLEN]
static struct v4l2_format	video_format
static struct v4l2_standard	video_standard
static struct v4l2_buffer	video_buf
static uint8_t	v4l2_ncapbuf_target
static size_t	v4l2_ncapbuf
static struct v4l2_capbuf	v4l2_capbuf [VIDEO_BUFFERS_MAX]
static float	dummy_pos =0
static int	video_half_feed_rate =0
static uint32_t	video_cap_width
static uint32_t	video_cap_height
static uint32_t	video_out_height
static char	video_capture_mode [ENVVAR_BUFLEN]
static char	video_output_mode [ENVVAR_BUFLEN]
static char	video_frame_times [ENVVAR_BUFLEN]
static uint8_t *	frame_cap
static uint32_t *	frame_out
static uint32_t *	frames [4]
static uint32_t *	frame_prev1
static uint32_t *	frame_prev2
static uint32_t *	frame_prev3
static uint32_t *	frame_curr
struct timeval	ft_prevtime = { 0 }
struct timeval	ft_prevtime2 = { 0 }
char *	ft_info = NULL
char *	ft_info2 = NULL
double	ft_favg
double	ft_ftime
int	ft_fcount

Macro Definition Documentation

AUDIO_BUFSIZE

#define AUDIO_BUFSIZE   64

AUDIO_SAMPLE_RATE

#define AUDIO_SAMPLE_RATE   48000

ENVVAR_BUFLEN

#define ENVVAR_BUFLEN   1024

LIBRARY_NAME

#define LIBRARY_NAME   "V4L2"

LIBRARY_VERSION

#define LIBRARY_VERSION   "0.0.2"

VIDEO_BUFFERS_MAX

#define VIDEO_BUFFERS_MAX   2

VIDEOPROC_CORE_PREFIX

#define VIDEOPROC_CORE_PREFIX

(

s

)

s

Function Documentation

appendstr()

static void appendstr ( char *  dst, const char *  src, size_t  dstsize  )

static

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close_devices()

static void close_devices ( void  )

static

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enumerate_audio_devices()

static void enumerate_audio_devices ( char *  buf, size_t  buflen  )

static

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enumerate_video_devices()

static void enumerate_video_devices ( char *  buf, size_t  buflen  )

static

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open_devices()

static bool open_devices ( void  )

static

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processing_bgr_xrgb()

void processing_bgr_xrgb	(	uint8_t *	src,
		uint32_t *	dst,
		int	width,
		int	height
	)

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processing_deinterlacing_crap()

void processing_deinterlacing_crap	(	uint32_t *	src,
		uint32_t *	dst,
		int	width,
		int	height,
		enum v4l2_field	field,
		int	skip_lines_src
	)

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processing_heal()

void processing_heal	(	uint8_t *	src,
		int	width,
		int	height
	)

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retro_api_version()

RETRO_API unsigned VIDEOPROC_CORE_PREFIX() retro_api_version

(

void

)

retro_cheat_reset()

RETRO_API void VIDEOPROC_CORE_PREFIX() retro_cheat_reset

(

void

)

retro_cheat_set()

RETRO_API void VIDEOPROC_CORE_PREFIX() retro_cheat_set	(	unsigned	index,
		bool	enabled,
		const char *	code
	)

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retro_deinit()

RETRO_API void VIDEOPROC_CORE_PREFIX() retro_deinit

(

void

)

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retro_get_memory_data()

RETRO_API void* VIDEOPROC_CORE_PREFIX() retro_get_memory_data

(

unsigned

id

)

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retro_get_memory_size()

RETRO_API size_t VIDEOPROC_CORE_PREFIX() retro_get_memory_size

(

unsigned

id

)

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retro_get_region()

RETRO_API unsigned VIDEOPROC_CORE_PREFIX() retro_get_region

(

void

)

retro_get_system_av_info()

RETRO_API void VIDEOPROC_CORE_PREFIX() retro_get_system_av_info

(

struct retro_system_av_info *

info

)

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retro_get_system_info()

RETRO_API void VIDEOPROC_CORE_PREFIX() retro_get_system_info

(

struct retro_system_info *

info

)

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retro_init()

RETRO_API void VIDEOPROC_CORE_PREFIX() retro_init

(

void

)

retro_load_game()

RETRO_API bool VIDEOPROC_CORE_PREFIX() retro_load_game

(

const struct retro_game_info *

game

)

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retro_load_game_special()

RETRO_API bool VIDEOPROC_CORE_PREFIX() retro_load_game_special	(	unsigned	game_type,
		const struct retro_game_info *	info,
		size_t	num_info
	)

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retro_reset()

RETRO_API void VIDEOPROC_CORE_PREFIX() retro_reset

(

void

)

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retro_run()

RETRO_API void VIDEOPROC_CORE_PREFIX() retro_run

(

void

)

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retro_serialize()

RETRO_API bool VIDEOPROC_CORE_PREFIX() retro_serialize	(	void *	data,
		size_t	size
	)

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retro_serialize_size()

RETRO_API size_t VIDEOPROC_CORE_PREFIX() retro_serialize_size

(

void

)

retro_set_audio_sample()

RETRO_API void VIDEOPROC_CORE_PREFIX() retro_set_audio_sample

(

retro_audio_sample_t

cb

)

retro_set_audio_sample_batch()

RETRO_API void VIDEOPROC_CORE_PREFIX() retro_set_audio_sample_batch

(

retro_audio_sample_batch_t

cb

)

retro_set_controller_port_device()

RETRO_API void VIDEOPROC_CORE_PREFIX() retro_set_controller_port_device	(	unsigned	port,
		unsigned	device
	)

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retro_set_environment()

RETRO_API void VIDEOPROC_CORE_PREFIX() retro_set_environment

(

retro_environment_t

cb

)

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retro_set_input_poll()

RETRO_API void VIDEOPROC_CORE_PREFIX() retro_set_input_poll

(

retro_input_poll_t

cb

)

retro_set_input_state()

RETRO_API void VIDEOPROC_CORE_PREFIX() retro_set_input_state

(

retro_input_state_t

cb

)

retro_set_video_refresh()

RETRO_API void VIDEOPROC_CORE_PREFIX() retro_set_video_refresh

(

retro_video_refresh_t

cb

)

retro_unload_game()

RETRO_API void VIDEOPROC_CORE_PREFIX() retro_unload_game

(

void

)

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retro_unserialize()

RETRO_API bool VIDEOPROC_CORE_PREFIX() retro_unserialize	(	const void *	data,
		size_t	size
	)

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source_dummy()

void source_dummy	(	int	width,
		int	height
	)

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source_v4l2_alternate_hack()

void source_v4l2_alternate_hack	(	int	width,
		int	height
	)

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source_v4l2_normal()

void source_v4l2_normal	(	int	width,
		int	height
	)

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v4l2_frame_times()

void v4l2_frame_times

(

struct v4l2_buffer

buf

)

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videoinput_set_control_v4l2()

static void videoinput_set_control_v4l2 ( uint32_t  id, double  val  )

static

VIDEOPROC_CORE_PREFIX() [1/6]

static retro_environment_t VIDEOPROC_CORE_PREFIX ( environment_cb  )

static

VIDEOPROC_CORE_PREFIX() [2/6]

static retro_video_refresh_t VIDEOPROC_CORE_PREFIX ( video_refresh_cb  )

static

VIDEOPROC_CORE_PREFIX() [3/6]

static retro_audio_sample_t VIDEOPROC_CORE_PREFIX ( audio_sample_cb  )

static

VIDEOPROC_CORE_PREFIX() [4/6]

static retro_audio_sample_batch_t VIDEOPROC_CORE_PREFIX ( audio_sample_batch_cb  )

static

VIDEOPROC_CORE_PREFIX() [5/6]

static retro_input_poll_t VIDEOPROC_CORE_PREFIX ( input_poll_cb  )

static

VIDEOPROC_CORE_PREFIX() [6/6]

static retro_input_state_t VIDEOPROC_CORE_PREFIX ( input_state_cb  )

static

Variable Documentation

audio_device

char audio_device[ENVVAR_BUFLEN]

static

dummy_pos

float dummy_pos =0

static

frame_cap

uint8_t* frame_cap

static

frame_curr

uint32_t* frame_curr

static

frame_out

uint32_t* frame_out

static

frame_prev1

uint32_t* frame_prev1

static

frame_prev2

uint32_t* frame_prev2

static

frame_prev3

uint32_t* frame_prev3

static

frames

uint32_t* frames[4]

static

ft_favg

double ft_favg

ft_fcount

int ft_fcount

ft_ftime

double ft_ftime

ft_info

char* ft_info = NULL

ft_info2

char * ft_info2 = NULL

ft_prevtime

struct timeval ft_prevtime = { 0 }

ft_prevtime2

struct timeval ft_prevtime2 = { 0 }

v4l2_capbuf

struct v4l2_capbuf v4l2_capbuf[VIDEO_BUFFERS_MAX]

static

v4l2_ncapbuf

size_t v4l2_ncapbuf

static

v4l2_ncapbuf_target

uint8_t v4l2_ncapbuf_target

static

video_buf

struct v4l2_buffer video_buf

static

video_cap_height

uint32_t video_cap_height

static

video_cap_width

uint32_t video_cap_width

static

video_capture_mode

char video_capture_mode[ENVVAR_BUFLEN]

static

video_device

char video_device[ENVVAR_BUFLEN]

static

video_device_fd

int video_device_fd = -1

static

video_format

struct v4l2_format video_format

static

video_frame_times

char video_frame_times[ENVVAR_BUFLEN]

static

video_half_feed_rate

int video_half_feed_rate =0

static

video_out_height

uint32_t video_out_height

static

video_output_mode

char video_output_mode[ENVVAR_BUFLEN]

static

video_standard

struct v4l2_standard video_standard

static