VA API Decoding
[VDPAU Decoder and Renderer]

Data Structures
struct	vaapi_context
	This structure is used to share data between the FFmpeg library and the client video application. More...
Functions
static void	destroy_buffers (VADisplay display, VABufferID *buffers, unsigned int n_buffers)
static int	render_picture (struct vaapi_context *vactx, VASurfaceID surface)
static int	commit_slices (struct vaapi_context *vactx)
static void *	alloc_buffer (struct vaapi_context *vactx, int type, unsigned int size, uint32_t *buf_id)
void *	ff_vaapi_alloc_pic_param (struct vaapi_context *vactx, unsigned int size)
	Allocate a new picture parameter buffer.
void *	ff_vaapi_alloc_iq_matrix (struct vaapi_context *vactx, unsigned int size)
	Allocate a new IQ matrix buffer.
uint8_t *	ff_vaapi_alloc_bitplane (struct vaapi_context *vactx, uint32_t size)
	Allocate a new bit-plane buffer.
VASliceParameterBufferBase *	ff_vaapi_alloc_slice (struct vaapi_context *vactx, const uint8_t *buffer, uint32_t size)
	Allocate a new slice descriptor for the input slice.
int	ff_vaapi_common_end_frame (MpegEncContext *s)
	Common AVHWAccel.end_frame() implementation.
static VASurfaceID	ff_vaapi_get_surface_id (Picture *pic)
	Extract VASurfaceID from a Picture.

---

Function Documentation

static void* alloc_buffer	(	struct vaapi_context *	vactx,
		int	type,
		unsigned int	size,
		uint32_t *	buf_id
	)			[static]

Definition at line 120 of file vaapi.c.

static int commit_slices

(

struct vaapi_context *

vactx

)

[static]

Definition at line 80 of file vaapi.c.

Referenced by ff_vaapi_alloc_slice(), and ff_vaapi_common_end_frame().

static void destroy_buffers	(	VADisplay	display,
		VABufferID *	buffers,
		unsigned int	n_buffers
	)			[static]

Definition at line 32 of file vaapi.c.

Referenced by ff_vaapi_common_end_frame().

uint8_t * ff_vaapi_alloc_bitplane	(	struct vaapi_context *	vactx,
		uint32_t	size
	)

Allocate a new bit-plane buffer.

Definition at line 142 of file vaapi.c.

Referenced by vaapi_vc1_start_frame().

void * ff_vaapi_alloc_iq_matrix	(	struct vaapi_context *	vactx,
		unsigned int	size
	)

Allocate a new IQ matrix buffer.

Definition at line 137 of file vaapi.c.

Referenced by start_frame(), vaapi_mpeg2_start_frame(), and vaapi_mpeg4_start_frame().

void * ff_vaapi_alloc_pic_param	(	struct vaapi_context *	vactx,
		unsigned int	size
	)

Allocate a new picture parameter buffer.

Definition at line 132 of file vaapi.c.

Referenced by start_frame(), vaapi_mpeg2_start_frame(), vaapi_mpeg4_start_frame(), and vaapi_vc1_start_frame().

VASliceParameterBufferBase * ff_vaapi_alloc_slice	(	struct vaapi_context *	vactx,
		const uint8_t *	buffer,
		uint32_t	size
	)

Allocate a new slice descriptor for the input slice.

Parameters:

	vactx	the VA API context
	buffer	the slice data buffer base
	size	the size of the slice in bytes

Returns:

the newly allocated slice parameter

Definition at line 147 of file vaapi.c.

Referenced by decode_slice(), vaapi_mpeg2_decode_slice(), vaapi_mpeg4_decode_slice(), and vaapi_vc1_decode_slice().

int ff_vaapi_common_end_frame

(

MpegEncContext *

s

)

Common AVHWAccel.end_frame() implementation.

Definition at line 178 of file vaapi.c.

Referenced by end_frame(), vaapi_mpeg2_end_frame(), vaapi_mpeg4_end_frame(), and vaapi_vc1_end_frame().

static VASurfaceID ff_vaapi_get_surface_id

(

Picture *

pic

)

[inline, static]

Extract VASurfaceID from a Picture.

Definition at line 39 of file vaapi_internal.h.

Referenced by dpb_add(), ff_vaapi_common_end_frame(), fill_vaapi_pic(), vaapi_mpeg2_start_frame(), vaapi_mpeg4_start_frame(), and vaapi_vc1_start_frame().

static int render_picture	(	struct vaapi_context *	vactx,
		VASurfaceID	surface
	)			[static]

Definition at line 43 of file vaapi.c.

Referenced by ff_vaapi_common_end_frame().