vlc_picture.h File Reference

This file defines picture structures and functions in vlc. More...

Include dependency graph for vlc_picture.h:

Go to the source code of this file.

Data Structures
struct	plane_t
	Description of a planar graphic field. More...
struct	picture_context_t
struct	picture_buffer_t
struct	vlc_video_context_operations
struct	picture_t
	Video picture. More...
struct	vlc_pic_chain
	picture chaining helpers More...
struct	picture_resource_t
	Resource for a picture. More...

Macros
#define	PICTURE_PLANE_MAX   (VOUT_MAX_PLANES)
	Maximum number of plane for a picture.
#define	Y_PIXELS   p[Y_PLANE].p_pixels
#define	Y_PITCH   p[Y_PLANE].i_pitch
#define	U_PIXELS   p[U_PLANE].p_pixels
#define	U_PITCH   p[U_PLANE].i_pitch
#define	V_PIXELS   p[V_PLANE].p_pixels
#define	V_PITCH   p[V_PLANE].i_pitch
#define	A_PIXELS   p[A_PLANE].p_pixels
#define	A_PITCH   p[A_PLANE].i_pitch

Typedefs
typedef uint32_t	vlc_ancillary_id
typedef struct plane_t	plane_t
	Description of a planar graphic field.
typedef struct picture_context_t	picture_context_t
typedef struct picture_buffer_t	picture_buffer_t
typedef struct vlc_decoder_device	vlc_decoder_device
typedef struct vlc_video_context	vlc_video_context
typedef struct vlc_pic_chain	vlc_picture_chain_t
	picture chaining helpers

Enumerations
enum	vlc_video_context_type {   VLC_VIDEO_CONTEXT_VAAPI = 1 , VLC_VIDEO_CONTEXT_VDPAU , VLC_VIDEO_CONTEXT_DXVA2 , VLC_VIDEO_CONTEXT_D3D11VA ,   VLC_VIDEO_CONTEXT_AWINDOW , VLC_VIDEO_CONTEXT_NVDEC , VLC_VIDEO_CONTEXT_CVPX , VLC_VIDEO_CONTEXT_MMAL ,   VLC_VIDEO_CONTEXT_GSTDECODE }
	Decoder device type. More...
enum	{ Y_PLANE = 0 , U_PLANE = 1 , V_PLANE = 2 , A_PLANE = 3 }

Functions
vlc_video_context *	vlc_video_context_Create (vlc_decoder_device *, enum vlc_video_context_type private_type, size_t private_size, const struct vlc_video_context_operations *)
void	vlc_video_context_Release (vlc_video_context *)
enum vlc_video_context_type	vlc_video_context_GetType (const vlc_video_context *)
void *	vlc_video_context_GetPrivate (vlc_video_context *, enum vlc_video_context_type)
vlc_video_context *	vlc_video_context_Hold (vlc_video_context *)
vlc_decoder_device *	vlc_video_context_HoldDevice (vlc_video_context *)
	Get the decoder device used by the device context.
static vlc_video_context *	picture_GetVideoContext (picture_t *pic)
static bool	picture_HasChainedPics (const picture_t *pic)
	Check whether a picture has other pictures linked.
static void	vlc_picture_chain_Init (vlc_picture_chain_t *chain)
	Initializes or reset a picture chain.
static bool	vlc_picture_chain_IsEmpty (const vlc_picture_chain_t *chain)
	Check whether a picture chain holds pictures or not.
static bool	vlc_picture_chain_HasNext (const vlc_picture_chain_t *chain)
	Check whether a picture chain has more than one picture.
static picture_t *	vlc_picture_chain_PopFront (vlc_picture_chain_t *chain)
	Pop the front of a picture chain.
static picture_t *	vlc_picture_chain_PeekFront (vlc_picture_chain_t *chain)
	Peek the front of a picture chain.
static void	vlc_picture_chain_Append (vlc_picture_chain_t *chain, picture_t *pic)
	Append a picture to a picture chain.
static void	vlc_picture_chain_AppendChain (picture_t *chain, picture_t *tail)
	Append a picture chain to a picture chain.
static void	vlc_picture_chain_GetAndClear (vlc_picture_chain_t *in, vlc_picture_chain_t *out)
	Copy the picture chain in another picture chain and clear the original picture chain.
static vlc_picture_chain_t	picture_GetAndResetChain (picture_t *pic)
	Reset a picture chain.
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.
picture_t *	picture_NewFromFormat (const video_format_t *p_fmt)
	This function will create a new picture using the given format.
picture_t *	picture_NewFromResource (const video_format_t *, const picture_resource_t *)
	This function will create a new picture using the provided resource.
void	picture_Destroy (picture_t *picture)
	Destroys a picture without references.
static picture_t *	picture_Hold (picture_t *picture)
	Increments the picture reference count.
static void	picture_Release (picture_t *picture)
	Decrements the picture reference count.
void	picture_CopyProperties (picture_t *p_dst, const picture_t *p_src)
	This function will copy all picture dynamic properties.
void	picture_Reset (picture_t *)
	This function will reset a picture information (properties and quantizers).
void	picture_CopyPixels (picture_t *p_dst, const picture_t *p_src)
	This function will copy the picture pixels.
void	plane_CopyPixels (plane_t *p_dst, const plane_t *p_src)
void	picture_Copy (picture_t *p_dst, const picture_t *p_src)
	This function will copy both picture dynamic properties and pixels.
picture_t *	picture_Clone (picture_t *pic)
	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.
int	picture_Setup (picture_t *, const video_format_t *)
	This function will setup all fields of a picture_t without allocating any memory.
static void	picture_SwapUV (picture_t *picture)
	Swap UV planes of a Tri Planars picture.

Detailed Description

This file defines picture structures and functions in vlc.

Typedef Documentation

vlc_ancillary_id

typedef uint32_t vlc_ancillary_id