dxva2_hevc.c File Reference

#include "config_components.h"
#include "libavutil/avassert.h"
#include "dxva2_internal.h"
#include "hevc/data.h"
#include "hevc/hevcdec.h"
#include "hwaccel_internal.h"

Go to the source code of this file.

Data Structures
struct	hevc_dxva2_picture_context

Macros
#define	MAX_SLICES   256
#define	DO_REF_LIST(ref_idx, ref_list)

Functions
static void	fill_picture_entry (DXVA_PicEntry_HEVC *pic, unsigned index, unsigned flag)
static int	get_refpic_index (const DXVA_PicParams_HEVC *pp, int surface_index)
void	ff_dxva2_hevc_fill_picture_parameters (const AVCodecContext *avctx, AVDXVAContext *ctx, DXVA_PicParams_HEVC *pp)
void	ff_dxva2_hevc_fill_scaling_lists (const AVCodecContext *avctx, AVDXVAContext *ctx, DXVA_Qmatrix_HEVC *qm)
static void	fill_slice_short (DXVA_Slice_HEVC_Short *slice, unsigned position, unsigned size)
static int	commit_bitstream_and_slice_buffer (AVCodecContext *avctx, DECODER_BUFFER_DESC *bs, DECODER_BUFFER_DESC *sc)
static int	dxva2_hevc_start_frame (AVCodecContext *avctx, av_unused const AVBufferRef *buffer_ref, av_unused const uint8_t *buffer, av_unused uint32_t size)
static int	dxva2_hevc_decode_slice (AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
static int	dxva2_hevc_end_frame (AVCodecContext *avctx)

Macro Definition Documentation

MAX_SLICES

#define MAX_SLICES   256

Definition at line 32 of file dxva2_hevc.c.

DO_REF_LIST

#define DO_REF_LIST	(		ref_idx,
			ref_list )

Value:

        { \
        const RefPicList *rpl = &h->rps[ref_idx]; \
        for (i = 0, j = 0; i < FF_ARRAY_ELEMS(pp->ref_list); i++) { \
            const HEVCFrame *frame = NULL; \
            while (!frame && j < rpl->nb_refs) \
                frame = rpl->ref[j++]; \
            if (frame && frame->flags & (HEVC_FRAME_FLAG_LONG_REF | HEVC_FRAME_FLAG_SHORT_REF)) \
                pp->ref_list[i] = get_refpic_index(pp, ff_dxva2_get_surface_index(avctx, ctx, frame->f, 0)); \
            else \
                pp->ref_list[i] = 0xff; \
        } \
    }

Referenced by ff_dxva2_hevc_fill_picture_parameters().

Function Documentation

fill_picture_entry()

static void fill_picture_entry ( DXVA_PicEntry_HEVC * pic, unsigned index, unsigned flag )

static

Definition at line 43 of file dxva2_hevc.c.

Referenced by ff_dxva2_hevc_fill_picture_parameters().

get_refpic_index()

static int get_refpic_index ( const DXVA_PicParams_HEVC * pp, int surface_index )

static

Definition at line 50 of file dxva2_hevc.c.

ff_dxva2_hevc_fill_picture_parameters()

void ff_dxva2_hevc_fill_picture_parameters	(	const AVCodecContext *	avctx,
		AVDXVAContext *	ctx,
		DXVA_PicParams_HEVC *	pp )

Definition at line 60 of file dxva2_hevc.c.

Referenced by d3d12va_hevc_start_frame(), and dxva2_hevc_start_frame().

ff_dxva2_hevc_fill_scaling_lists()

void ff_dxva2_hevc_fill_scaling_lists	(	const AVCodecContext *	avctx,
		AVDXVAContext *	ctx,
		DXVA_Qmatrix_HEVC *	qm )

Definition at line 205 of file dxva2_hevc.c.

Referenced by d3d12va_hevc_start_frame(), and dxva2_hevc_start_frame().

fill_slice_short()

static void fill_slice_short ( DXVA_Slice_HEVC_Short * slice, unsigned position, unsigned size )

static

Definition at line 234 of file dxva2_hevc.c.

Referenced by dxva2_hevc_decode_slice().

commit_bitstream_and_slice_buffer()

static int commit_bitstream_and_slice_buffer ( AVCodecContext * avctx, DECODER_BUFFER_DESC * bs, DECODER_BUFFER_DESC * sc )

static

Definition at line 243 of file dxva2_hevc.c.

dxva2_hevc_start_frame()

static int dxva2_hevc_start_frame ( AVCodecContext * avctx, av_unused const AVBufferRef * buffer_ref, av_unused const uint8_t * buffer, av_unused uint32_t size )

static

Definition at line 365 of file dxva2_hevc.c.

dxva2_hevc_decode_slice()

static int dxva2_hevc_decode_slice ( AVCodecContext * avctx, const uint8_t * buffer, uint32_t size )

static

Definition at line 390 of file dxva2_hevc.c.

dxva2_hevc_end_frame()

static int dxva2_hevc_end_frame ( AVCodecContext * avctx )

static

Definition at line 413 of file dxva2_hevc.c.