FFmpeg: VAAPI_Decoding

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Functions

VAAPI_Decoding

Functions

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

int ff_vaapi_render_picture (struct vaapi_context *vactx, VASurfaceID surface)

int ff_vaapi_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.

void ff_vaapi_common_end_frame (AVCodecContext *avctx)

Common AVHWAccel.end_frame() implementation.

int ff_vaapi_mpeg_end_frame (AVCodecContext *avctx)

static VASurfaceID ff_vaapi_get_surface_id (Picture *pic)

Extract VASurfaceID from a Picture.

Detailed Description

Function Documentation

static void destroy_buffers ( VADisplay display,

VABufferID * buffers,

unsigned int n_buffers

)

static

Definition at line 33 of file vaapi.c.

Referenced by ff_vaapi_common_end_frame().

int ff_vaapi_render_picture ( struct vaapi_context * vactx,

VASurfaceID surface

)

Definition at line 44 of file vaapi.c.

Referenced by ff_vaapi_mpeg_end_frame(), and vaapi_h264_end_frame().

int ff_vaapi_commit_slices ( struct vaapi_context * vactx )

Definition at line 84 of file vaapi.c.

Referenced by ff_vaapi_alloc_slice(), ff_vaapi_mpeg_end_frame(), and vaapi_h264_end_frame().

static void* alloc_buffer ( struct vaapi_context * vactx,

int type,

unsigned int size,

uint32_t * buf_id

)

static

Definition at line 124 of file vaapi.c.

Referenced by ff_vaapi_alloc_bitplane(), ff_vaapi_alloc_iq_matrix(), and ff_vaapi_alloc_pic_param().

void * ff_vaapi_alloc_pic_param ( struct vaapi_context * vactx,

unsigned int size

)

Allocate a new picture parameter buffer.

Definition at line 136 of file vaapi.c.

Referenced by vaapi_h264_start_frame(), vaapi_mpeg2_start_frame(), vaapi_mpeg4_start_frame(), and 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 141 of file vaapi.c.

Referenced by vaapi_h264_start_frame(), vaapi_mpeg2_start_frame(), and vaapi_mpeg4_start_frame().

uint8_t * ff_vaapi_alloc_bitplane ( struct vaapi_context * vactx,

uint32_t size

)

Allocate a new bit-plane buffer.

Definition at line 146 of file vaapi.c.

Referenced by 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 151 of file vaapi.c.

Referenced by vaapi_h264_decode_slice(), vaapi_mpeg2_decode_slice(), vaapi_mpeg4_decode_slice(), and vaapi_vc1_decode_slice().

void ff_vaapi_common_end_frame ( AVCodecContext * avctx )

Common AVHWAccel.end_frame() implementation.

Definition at line 182 of file vaapi.c.

Referenced by ff_vaapi_mpeg_end_frame(), and vaapi_h264_end_frame().

int ff_vaapi_mpeg_end_frame ( AVCodecContext * avctx )

Definition at line 200 of file vaapi.c.

static VASurfaceID ff_vaapi_get_surface_id ( Picture * pic )

inlinestatic

Extract VASurfaceID from a Picture.

Definition at line 39 of file vaapi_internal.h.

Referenced by dpb_add(), ff_vaapi_mpeg_end_frame(), fill_vaapi_pic(), vaapi_h264_end_frame(), vaapi_mpeg2_start_frame(), vaapi_mpeg4_start_frame(), and vaapi_vc1_start_frame().

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