image.c File Reference

This file contains the functions to handle the image_handler_t type. More...

Include dependency graph for image.c:

Functions
static picture_t *	ImageRead (image_handler_t *p_image, block_t *p_block, video_format_t *p_fmt_in, video_format_t *p_fmt_out)
	Read an image.
static picture_t *	ImageReadUrl (image_handler_t *, const char *, video_format_t *, video_format_t *)
static block_t *	ImageWrite (image_handler_t *p_image, picture_t *p_pic, video_format_t *p_fmt_in, video_format_t *p_fmt_out)
	Write an image.
static int	ImageWriteUrl (image_handler_t *, picture_t *, video_format_t *, video_format_t *, const char *)
static picture_t *	ImageConvert (image_handler_t *p_image, picture_t *p_pic, video_format_t *p_fmt_in, video_format_t *p_fmt_out)
	Convert an image to a different format.
static picture_t *	ImageFilter (image_handler_t *p_image, picture_t *p_pic, video_format_t *p_fmt, const char *psz_module)
	Filter an image with a psz_module filter.
static decoder_t *	CreateDecoder (vlc_object_t *, video_format_t *)
static void	DeleteDecoder (decoder_t *)
static encoder_t *	CreateEncoder (vlc_object_t *, video_format_t *, video_format_t *)
static void	DeleteEncoder (encoder_t *)
static filter_t *	CreateFilter (vlc_object_t *, es_format_t *, video_format_t *, const char *)
static void	DeleteFilter (filter_t *)
vlc_fourcc_t	image_Type2Fourcc (const char *)
vlc_fourcc_t	image_Ext2Fourcc (const char *)
image_handler_t *	image_HandlerCreate (((vlc_object_t *)(vlc_object_t *p_this)))
	Create an image_handler_t instance.
void	image_HandlerDelete (image_handler_t *p_image)
	Delete the image_handler_t instance.
vlc_fourcc_t	image_Mime2Fourcc (const char *psz_mime)
static picture_t *	video_new_buffer (decoder_t *p_dec)
static void	video_del_buffer (decoder_t *p_dec, picture_t *p_pic)
static void	video_link_picture (decoder_t *p_dec, picture_t *p_pic)
static void	video_unlink_picture (decoder_t *p_dec, picture_t *p_pic)

Variables
struct {
vlc_fourcc_t   i_codec
const char   psz_ext [7]
}	ext_table []
	Misc functions.
struct {
vlc_fourcc_t   i_codec
const char *   psz_mime
}	mime_table []

Detailed Description

This file contains the functions to handle the image_handler_t type.

Function Documentation

static decoder_t * CreateDecoder ( vlc_object_t *  p_this, video_format_t *  fmt  )

static

References decoder_t::b_pace_control, DeleteDecoder(), es_format_Init(), decoder_t::fmt_in, decoder_t::fmt_out, video_format_t::i_chroma, es_format_t::i_codec, module_need, msg_Err, decoder_t::p_module, decoder_t::pf_picture_link, decoder_t::pf_picture_unlink, decoder_t::pf_vout_buffer_del, decoder_t::pf_vout_buffer_new, es_format_t::video, video_del_buffer(), VIDEO_ES, video_link_picture(), video_new_buffer(), video_unlink_picture(), and vlc_custom_create.

Referenced by ImageRead().

static encoder_t * CreateEncoder ( vlc_object_t *  p_this, video_format_t *  fmt_in, video_format_t *  fmt_out  )

static

References DeleteEncoder(), es_format_Init(), encoder_t::fmt_in, encoder_t::fmt_out, video_format_t::i_chroma, es_format_t::i_codec, video_format_t::i_frame_rate, video_format_t::i_frame_rate_base, video_format_t::i_height, video_format_t::i_sar_den, video_format_t::i_sar_num, video_format_t::i_visible_height, video_format_t::i_visible_width, video_format_t::i_width, module_need, msg_Err, encoder_t::p_module, sout_EncoderCreate, es_format_t::video, and VIDEO_ES.

Referenced by ImageWrite().

static filter_t * CreateFilter ( vlc_object_t *  p_this, es_format_t *  p_fmt_in, video_format_t *  p_fmt_out, const char *  psz_module  )

static

References DeleteFilter(), filter_t::fmt_in, filter_t::fmt_out, video_format_t::i_chroma, es_format_t::i_codec, module_need, msg_Dbg, filter_t::p_module, es_format_t::video, video_del_buffer(), video_new_buffer(), and vlc_custom_create.

Referenced by ImageConvert(), ImageFilter(), ImageRead(), and ImageWrite().

static void DeleteDecoder ( decoder_t *  p_dec )

static

References es_format_Clean(), decoder_t::fmt_in, decoder_t::fmt_out, module_unneed, decoder_t::p_description, decoder_t::p_module, vlc_meta_Delete(), and vlc_object_release.

Referenced by CreateDecoder(), image_HandlerDelete(), and ImageRead().

static void DeleteEncoder ( encoder_t *  p_enc )

static

References es_format_Clean(), encoder_t::fmt_in, encoder_t::fmt_out, module_unneed, encoder_t::p_module, and vlc_object_release.

Referenced by CreateEncoder(), image_HandlerDelete(), and ImageWrite().

static void DeleteFilter ( filter_t *  p_filter )

static

References es_format_Clean(), filter_t::fmt_in, filter_t::fmt_out, module_unneed, filter_t::p_module, and vlc_object_release.

Referenced by CreateFilter(), image_HandlerDelete(), ImageConvert(), ImageRead(), and ImageWrite().

vlc_fourcc_t image_Ext2Fourcc

(

const char *

psz_name

)

References image_Type2Fourcc().

Referenced by ImageReadUrl(), and ImageWriteUrl().

image_handler_t* image_HandlerCreate

(

((vlc_object_t *)(vlc_object_t *p_this))

)

Create an image_handler_t instance.

References ImageConvert(), ImageFilter(), ImageRead(), ImageReadUrl(), ImageWrite(), ImageWriteUrl(), image_handler_t::p_parent, image_handler_t::pf_convert, image_handler_t::pf_filter, image_handler_t::pf_read, image_handler_t::pf_read_url, image_handler_t::pf_write, and image_handler_t::pf_write_url.

void image_HandlerDelete

(

image_handler_t *

p_image

)

Delete the image_handler_t instance.

References DeleteDecoder(), DeleteEncoder(), DeleteFilter(), image_handler_t::p_dec, image_handler_t::p_enc, and image_handler_t::p_filter.

Referenced by picture_Export(), and subpicture_NewFromPicture().

vlc_fourcc_t image_Mime2Fourcc

(

const char *

psz_mime

)

References mime_table.

Referenced by ImageReadUrl().

vlc_fourcc_t image_Type2Fourcc

(

const char *

psz_type

)

References ARRAY_SIZE, ext_table, i_codec, psz_ext, and strcasecmp().

Referenced by image_Ext2Fourcc(), and vout_GetSnapshot().

static picture_t * ImageConvert ( image_handler_t *  p_image, picture_t *  p_pic, video_format_t *  p_fmt_in, video_format_t *  p_fmt_out  )

static

Convert an image to a different format.

References CreateFilter(), DeleteFilter(), es_format_Init(), filter_t::fmt_in, filter_t::fmt_out, video_format_t::i_chroma, video_format_t::i_height, video_format_t::i_sar_den, video_format_t::i_sar_num, video_format_t::i_visible_height, video_format_t::i_visible_width, video_format_t::i_width, image_handler_t::p_filter, image_handler_t::p_parent, picture_Copy(), picture_Hold(), picture_Release(), es_format_t::video, and VIDEO_ES.

Referenced by image_HandlerCreate().

static picture_t * ImageFilter ( image_handler_t *  p_image, picture_t *  p_pic, video_format_t *  p_fmt, const char *  psz_module  )

static

Filter an image with a psz_module filter.

References CreateFilter(), es_format_Init(), filter_t::fmt_in, filter_t::fmt_out, video_format_t::i_chroma, image_handler_t::p_filter, image_handler_t::p_parent, picture_Hold(), es_format_t::video, and VIDEO_ES.

Referenced by image_HandlerCreate().

static picture_t * ImageRead ( image_handler_t *  p_image, block_t *  p_block, video_format_t *  p_fmt_in, video_format_t *  p_fmt_out  )

static

Read an image.

References CreateDecoder(), CreateFilter(), DeleteDecoder(), DeleteFilter(), filter_t::fmt_in, decoder_t::fmt_in, filter_t::fmt_out, decoder_t::fmt_out, video_format_t::i_chroma, es_format_t::i_codec, block_t::i_dts, video_format_t::i_height, block_t::i_pts, video_format_t::i_sar_den, video_format_t::i_sar_num, video_format_t::i_width, mdate(), msg_Warn, image_handler_t::p_dec, image_handler_t::p_filter, image_handler_t::p_parent, decoder_t::pf_decode_video, picture_Release(), and es_format_t::video.

Referenced by image_HandlerCreate(), and ImageReadUrl().

static picture_t * ImageReadUrl ( image_handler_t *  p_image, const char *  psz_url, video_format_t *  p_fmt_in, video_format_t *  p_fmt_out  )

static

References block_Alloc(), video_format_t::i_chroma, image_Ext2Fourcc(), image_Mime2Fourcc(), ImageRead(), msg_Dbg, block_t::p_buffer, image_handler_t::p_parent, psz_mime, stream_Control(), stream_Delete(), STREAM_GET_CONTENT_TYPE, stream_Read(), stream_Size(), and stream_UrlNew.

Referenced by image_HandlerCreate().

static block_t * ImageWrite ( image_handler_t *  p_image, picture_t *  p_pic, video_format_t *  p_fmt_in, video_format_t *  p_fmt_out  )

static

Write an image.

References CreateEncoder(), CreateFilter(), DeleteEncoder(), DeleteFilter(), es_format_Init(), filter_t::fmt_in, encoder_t::fmt_in, filter_t::fmt_out, encoder_t::fmt_out, video_format_t::i_chroma, es_format_t::i_codec, video_format_t::i_height, video_format_t::i_width, likely, msg_Dbg, image_handler_t::p_enc, image_handler_t::p_filter, image_handler_t::p_parent, encoder_t::pf_encode_video, picture_Hold(), es_format_t::video, and VIDEO_ES.

Referenced by image_HandlerCreate(), and ImageWriteUrl().

static int ImageWriteUrl ( image_handler_t *  p_image, picture_t *  p_pic, video_format_t *  p_fmt_in, video_format_t *  p_fmt_out, const char *  psz_url  )

static

< Unspecified error

< Unspecified error

< No error

References block_Release(), block_t::i_buffer, video_format_t::i_chroma, image_Ext2Fourcc(), ImageWrite(), msg_Err, block_t::p_buffer, image_handler_t::p_parent, VLC_EGENERIC, vlc_fopen(), and VLC_SUCCESS.

Referenced by image_HandlerCreate().

static void video_del_buffer ( decoder_t *  p_dec, picture_t *  p_pic  )

static

References picture_Release().

Referenced by CreateDecoder(), and CreateFilter().

static void video_link_picture ( decoder_t *  p_dec, picture_t *  p_pic  )

static

References picture_Hold().

Referenced by CreateDecoder().

static picture_t* video_new_buffer ( decoder_t *  p_dec )

static

References decoder_t::fmt_out, video_format_t::i_chroma, es_format_t::i_codec, picture_NewFromFormat(), and es_format_t::video.

Referenced by CreateDecoder(), and CreateFilter().

static void video_unlink_picture ( decoder_t *  p_dec, picture_t *  p_pic  )

static

References picture_Release().

Referenced by CreateDecoder().

Variable Documentation

struct { ... } ext_table[]

Misc functions.

Referenced by image_Type2Fourcc().

vlc_fourcc_t i_codec

Referenced by es_format_Init(), and image_Type2Fourcc().

struct { ... } mime_table[]

Referenced by image_Mime2Fourcc().

const char psz_ext[7]

Referenced by ArtCacheName(), demux_IsPathExtension(), demux_New(), image_Type2Fourcc(), subtitles_Detect(), and vlc_mime_Ext2Mime().

const char* psz_mime

Referenced by ImageReadUrl().