picture.c File Reference

Include dependency graph for picture.c:

Data Structures
struct	picture_priv_buffer_t

Macros
#define	PICTURE_SW_SIZE_MAX   (UINT32_C(1) << 28) /* 256MB: 8K * 8K * 4*/

Functions
static void	PictureDestroyContext (picture_t *p_picture)
static void	picture_DestroyDummy (picture_t *p_picture)
	Destroys a picture allocated by picture_NewFromResource() but without a custom destruction callback.
static void	picture_DestroyFromFormat (picture_t *pic)
	Destroys a picture allocated with picture_NewFromFormat().
void *	picture_Allocate (int *restrict fdp, size_t size)
void	picture_Deallocate (int fd, void *base, size_t size)
void	picture_Reset (picture_t *p_picture)
	This function will reset a picture information (properties and quantizers).
static int	LCM (int a, int b)
int	picture_Setup (picture_t *p_picture, const video_format_t *restrict fmt)
static bool	picture_InitPrivate (const video_format_t *restrict p_fmt, picture_priv_t *priv, const picture_resource_t *p_resource)
picture_t *	picture_NewFromResource (const video_format_t *p_fmt, const picture_resource_t *p_resource)
	This function will create a new picture using the provided resource.
picture_t *	picture_NewFromFormat (const video_format_t *restrict fmt)
picture_t *	picture_New (vlc_fourcc_t i_chroma, int i_width, int i_height, int i_sar_num, int i_sar_den)
	This function will create a new picture.
void	picture_Destroy (picture_t *picture)
	Destroys a picture without references.
void	plane_CopyPixels (plane_t *p_dst, const plane_t *p_src)
void	picture_CopyProperties (picture_t *p_dst, const picture_t *p_src)
	This function will copy all picture dynamic properties.
void	picture_CopyPixels (picture_t *p_dst, const picture_t *p_src)
	This function will copy the picture pixels.
void	picture_Copy (picture_t *p_dst, const picture_t *p_src)
	This function will copy both picture dynamic properties and pixels.
static void	picture_DestroyClone (picture_t *clone)
picture_t *	picture_InternalClone (picture_t *picture, void(*pf_destroy)(picture_t *), void *opaque)
picture_t *	picture_Clone (picture_t *picture)
	Perform a shallow picture copy.
int	picture_AttachAncillary (picture_t *pic, struct vlc_ancillary *ancillary)
	Attach an ancillary to the picture.
void *	picture_AttachNewAncillary (picture_t *pic, vlc_ancillary_id id, size_t size)
	Allocate a new ancillary and attach it to a picture.
struct vlc_ancillary *	picture_GetAncillary (const picture_t *pic, vlc_ancillary_id id)
	Return the ancillary identified by an ID.
int	picture_Export (vlc_object_t *p_obj, block_t **pp_image, video_format_t *p_fmt, picture_t *p_picture, vlc_fourcc_t i_codec, int i_override_width, int i_override_height, bool b_crop)
	This function will export a picture to an encoded bitstream.

Macro Definition Documentation

PICTURE_SW_SIZE_MAX

#define PICTURE_SW_SIZE_MAX   (UINT32_C(1) << 28) /* 256MB: 8K * 8K * 4*/

Function Documentation

LCM()

static int LCM ( int  a, int  b  )

static

References GCD().

Referenced by picture_Setup().

picture_Allocate()

void * picture_Allocate	(	int *restrict	fdp,
		size_t	size
	)

References aligned_alloc().

Referenced by picture_NewFromFormat().

picture_Deallocate()

void picture_Deallocate	(	int	fd,
		void *	base,
		size_t	size
	)

References aligned_free.

Referenced by picture_DestroyFromFormat().

picture_DestroyClone()

static void picture_DestroyClone ( picture_t *  clone )

static

References container_of, picture_priv_t::gc, picture_priv_t::opaque, and picture_Release().

Referenced by picture_Clone().

picture_DestroyDummy()

static void picture_DestroyDummy ( picture_t *  p_picture )

static

Destroys a picture allocated by picture_NewFromResource() but without a custom destruction callback.

Referenced by picture_InitPrivate().

picture_DestroyFromFormat()

static void picture_DestroyFromFormat ( picture_t *  pic )

static

Destroys a picture allocated with picture_NewFromFormat().

References picture_buffer_t::base, picture_buffer_t::fd, picture_t::p_sys, picture_Deallocate(), and picture_buffer_t::size.

Referenced by picture_NewFromFormat().

picture_InitPrivate()

static bool picture_InitPrivate ( const video_format_t *restrict  p_fmt, picture_priv_t *  priv, const picture_resource_t *  p_resource  )

static

References picture_priv_t::ancillaries, picture_t::date, picture_priv_t::destroy, picture_t::format, picture_priv_t::gc, picture_priv_t::opaque, picture_t::p_sys, picture_resource_t::p_sys, picture_resource_t::pf_destroy, picture_priv_t::picture, picture_DestroyDummy(), picture_Setup(), picture_t::refs, video_format_Clean(), video_format_Copy(), vlc_ancillary_array_Init(), vlc_atomic_rc_init(), and VLC_TICK_INVALID.

Referenced by picture_NewFromFormat(), and picture_NewFromResource().

picture_InternalClone()

picture_t * picture_InternalClone	(	picture_t *	picture,
		void(*)(picture_t *)	pf_destroy,
		void *	opaque
	)

References container_of, picture_t::context, picture_context_t::copy, picture_t::format, picture_priv_t::gc, plane_t::i_lines, plane_t::i_pitch, picture_t::i_planes, likely, picture_priv_t::opaque, picture_t::p, plane_t::p_pixels, picture_t::p_sys, picture_Hold(), picture_NewFromResource(), and picture_priv_buffer_t::res.

Referenced by picture_Clone(), and picture_pool_ClonePicture().

picture_NewFromFormat()

picture_t * picture_NewFromFormat

(

const video_format_t *restrict

fmt

)

References picture_buffer_t::base, picture_buffer_t::fd, picture_t::format, picture_t::i_planes, picture_buffer_t::offset, p, picture_t::p, plane_t::p_pixels, picture_t::p_sys, picture_resource_t::p_sys, picture_priv_t::picture, picture_Allocate(), picture_DestroyFromFormat(), picture_InitPrivate(), PICTURE_PLANE_MAX, PICTURE_SW_SIZE_MAX, picture_priv_buffer_t::priv, picture_priv_buffer_t::res, picture_buffer_t::size, unlikely, and video_format_Clean().

Referenced by decoder_NewPicture(), filter_NewPicture(), picture_New(), picture_pool_NewFromFormat(), subpicture_region_New(), thumbnailer_buffer_new(), video_splitter_NewPicture(), and VoutVideoFilterStaticNewPicture().

picture_Setup()

int picture_Setup	(	picture_t *	p_picture,
		const video_format_t *restrict	fmt
	)

References ARRAY_SIZE, vlc_rational_t::den, picture_t::format, vlc_chroma_description_t::h, video_format_t::i_chroma, picture_t::i_nb_fields, picture_t::i_planes, LCM(), vlc_rational_t::num, p, picture_t::p, vlc_chroma_description_t::p, plane_t::p_pixels, vlc_chroma_description_t::pixel_size, vlc_chroma_description_t::plane_count, unlikely, video_format_CopyCrop(), video_format_Setup(), VLC_EGENERIC, vlc_fourcc_GetChromaDescription(), VLC_SUCCESS, and vlc_chroma_description_t::w.

Referenced by picture_InitPrivate().

PictureDestroyContext()

static void PictureDestroyContext ( picture_t *  p_picture )

static

References picture_t::context, picture_context_t::destroy, picture_context_t::vctx, and vlc_video_context_Release().

Referenced by picture_Destroy(), and picture_Reset().