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

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Detailed Description

This file contains the functions to handle the image_handler_t type.

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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_ES, 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, 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 *

p_this

)

Create an image_handler_t instance.

References 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 osd_ParserUnload(), 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 ext_table, 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.

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(), fmt, 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.

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 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_New, 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.

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 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]

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, and vlc_fopen().

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

References picture_Release().

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

References picture_Hold().

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.

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

References picture_Release().

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Variable Documentation

struct { ... } ext_table[] [static]

Misc functions.

Referenced by image_Type2Fourcc().

vlc_fourcc_t i_codec

struct { ... } mime_table[] [static]

Referenced by image_Mime2Fourcc().

const char* psz_ext

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

const char* psz_mime

Referenced by ImageReadUrl().