FFmpeg: VDPAU_Decoding

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VDPAU_Decoding

Macros

#define MAKE_ACCESSORS(str, name, type, field)

Functions

static int vdpau_error (VdpStatus status)

AVVDPAUContext * av_alloc_vdpaucontext (void)

allocation function for AVVDPAUContext More...

int av_vdpau_get_surface_parameters (AVCodecContext *avctx, VdpChromaType *type, uint32_t *width, uint32_t *height)

Gets the parameters to create an adequate VDPAU video surface for the codec context using VDPAU hardware decoding acceleration. More...

int ff_vdpau_common_frame_params (AVCodecContext *avctx, AVBufferRef *hw_frames_ctx)

int ff_vdpau_common_init (AVCodecContext *avctx, VdpDecoderProfile profile, int level)

int ff_vdpau_common_uninit (AVCodecContext *avctx)

static int ff_vdpau_common_reinit (AVCodecContext *avctx)

int ff_vdpau_common_start_frame (struct vdpau_picture_context *pic_ctx, av_unused const uint8_t *buffer, av_unused uint32_t size)

int ff_vdpau_common_end_frame (AVCodecContext *avctx, AVFrame *frame, struct vdpau_picture_context *pic_ctx)

int ff_vdpau_add_buffer (struct vdpau_picture_context *pic_ctx, const uint8_t *buf, uint32_t size)

AVVDPAUContext * av_vdpau_alloc_context (void)

Allocate an AVVDPAUContext. More...

int av_vdpau_bind_context (AVCodecContext *avctx, VdpDevice device, VdpGetProcAddress *get_proc, unsigned flags)

Associate a VDPAU device with a codec context for hardware acceleration. More...

Detailed Description

Macro Definition Documentation

◆ MAKE_ACCESSORS

#define MAKE_ACCESSORS ( str,

name,

type,

field

)

Value:

type av_##name##_get_##field(const str *s) { return s->field; } \

void av_##name##_set_##field(str *s, type v) { s->field = v; }

Definition at line 75 of file vdpau.c.

Function Documentation

◆ vdpau_error()

static int vdpau_error ( VdpStatus status )

static

Definition at line 43 of file vdpau.c.

Referenced by ff_vdpau_common_end_frame(), ff_vdpau_common_init(), and ff_vdpau_common_uninit().

◆ av_alloc_vdpaucontext()

AVVDPAUContext* av_alloc_vdpaucontext ( void )

allocation function for AVVDPAUContext

Allows extending the struct without breaking API/ABI

Deprecated:: use av_vdpau_bind_context() instead

Definition at line 68 of file vdpau.c.

◆ av_vdpau_get_surface_parameters()

int av_vdpau_get_surface_parameters ( AVCodecContext * avctx,

VdpChromaType * type,

uint32_t * width,

uint32_t * height

)

Gets the parameters to create an adequate VDPAU video surface for the codec context using VDPAU hardware decoding acceleration.

Note: Behavior is undefined if the context was not successfully bound to a VDPAU device using av_vdpau_bind_context().

Parameters: avctx the codec context being used for decoding the stream

type storage space for the VDPAU video surface chroma type (or NULL to ignore)

width storage space for the VDPAU video surface pixel width (or NULL to ignore)

height storage space for the VDPAU video surface pixel height (or NULL to ignore)

Returns: 0 on success, a negative AVERROR code on failure.

Definition at line 81 of file vdpau.c.

Referenced by ff_vdpau_common_frame_params(), and ff_vdpau_common_init().

◆ ff_vdpau_common_frame_params()

int ff_vdpau_common_frame_params ( AVCodecContext * avctx,

AVBufferRef * hw_frames_ctx

)

Definition at line 125 of file vdpau.c.

◆ ff_vdpau_common_init()

int ff_vdpau_common_init ( AVCodecContext * avctx,

VdpDecoderProfile profile,

int level

)

Definition at line 144 of file vdpau.c.

Referenced by vdpau_av1_init(), vdpau_h264_init(), vdpau_hevc_init(), vdpau_mpeg4_init(), vdpau_vc1_init(), and vdpau_vp9_init().

◆ ff_vdpau_common_uninit()

int ff_vdpau_common_uninit ( AVCodecContext * avctx )

Definition at line 295 of file vdpau.c.

◆ ff_vdpau_common_reinit()

static int ff_vdpau_common_reinit ( AVCodecContext * avctx )

static

Definition at line 318 of file vdpau.c.

Referenced by ff_vdpau_common_end_frame().

◆ ff_vdpau_common_start_frame()

int ff_vdpau_common_start_frame ( struct vdpau_picture_context * pic_ctx,

av_unused const uint8_t * buffer,

av_unused uint32_t size

)

Definition at line 333 of file vdpau.c.

Referenced by vdpau_av1_start_frame(), vdpau_h264_start_frame(), vdpau_hevc_start_frame(), vdpau_mpeg4_start_frame(), vdpau_mpeg_start_frame(), vdpau_vc1_start_frame(), and vdpau_vp9_start_frame().

◆ ff_vdpau_common_end_frame()

int ff_vdpau_common_end_frame ( AVCodecContext * avctx,

AVFrame * frame,

struct vdpau_picture_context * pic_ctx

)

Definition at line 343 of file vdpau.c.

Referenced by vdpau_av1_end_frame(), vdpau_h264_end_frame(), vdpau_hevc_end_frame(), and vdpau_vp9_end_frame().

◆ ff_vdpau_add_buffer()

int ff_vdpau_add_buffer ( struct vdpau_picture_context * pic_ctx,

const uint8_t * buf,

uint32_t size

)

Definition at line 388 of file vdpau.c.

Referenced by vdpau_av1_decode_slice(), vdpau_h264_decode_slice(), vdpau_hevc_decode_slice(), vdpau_mpeg4_start_frame(), vdpau_mpeg_decode_slice(), vdpau_vc1_decode_slice(), and vdpau_vp9_decode_slice().

◆ av_vdpau_alloc_context()

AVVDPAUContext* av_vdpau_alloc_context ( void )

Allocate an AVVDPAUContext.

Returns: Newly-allocated AVVDPAUContext or NULL on failure.

Deprecated:: use av_vdpau_bind_context() instead

Definition at line 408 of file vdpau.c.

Referenced by av_alloc_vdpaucontext().

◆ av_vdpau_bind_context()

int av_vdpau_bind_context ( AVCodecContext * avctx,

VdpDevice device,

VdpGetProcAddress * get_proc_address,

unsigned flags

)

Associate a VDPAU device with a codec context for hardware acceleration.

This function is meant to be called from the get_format() codec callback, or earlier. It can also be called after avcodec_flush_buffers() to change the underlying VDPAU device mid-stream (e.g. to recover from non-transparent display preemption).

Note: get_format() must return AV_PIX_FMT_VDPAU if this function completes successfully.

Parameters: avctx decoding context whose get_format() callback is invoked

device VDPAU device handle to use for hardware acceleration

get_proc_address VDPAU device driver

flags zero of more OR'd AV_HWACCEL_FLAG_* flags

Returns: 0 on success, an AVERROR code on failure.

Definition at line 414 of file vdpau.c.

name

it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf default minimum maximum flags name is the option name

Definition: writing_filters.txt:88

type

it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf type

Definition: writing_filters.txt:86

#define s(width, name)

Definition: cbs_vp9.c:198

field

it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this field

Definition: writing_filters.txt:78

Generated on Thu Sep 26 2024 23:16:26 for FFmpeg by doxygen 1.8.17