FFmpeg: VDPAU_Decoding

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Functions

VDPAU_Decoding

Functions

static int vdpau_error (VdpStatus status)

AVVDPAUContext * av_alloc_vdpaucontext (void)

allocation function for AVVDPAUContext

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.

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)

void ff_vdpau_h264_set_reference_frames (H264Context *h)

void ff_vdpau_add_data_chunk (uint8_t *data, const uint8_t *buf, int buf_size)

int av_vdpau_get_profile (AVCodecContext *avctx, VdpDecoderProfile *profile)

Get a decoder profile that should be used for initializing a VDPAU decoder.

AVVDPAUContext * av_vdpau_alloc_context (void)

Allocate an AVVDPAUContext.

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.

Detailed Description

Function Documentation

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().

AVVDPAUContext* av_alloc_vdpaucontext ( void )

allocation function for AVVDPAUContext

Allows extending the struct without breaking API/ABI

Definition at line 67 of file vdpau.c.

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 74 of file vdpau.c.

Referenced by ff_vdpau_common_init(), and vdpau_get_buffer().

int ff_vdpau_common_init ( AVCodecContext * avctx,

VdpDecoderProfile profile,

int level

)

Definition at line 114 of file vdpau.c.

Referenced by vdpau_h264_init(), and vdpau_vc1_init().

int ff_vdpau_common_uninit ( AVCodecContext * avctx )

Definition at line 228 of file vdpau.c.

static int ff_vdpau_common_reinit ( AVCodecContext * avctx )

static

Definition at line 251 of file vdpau.c.

Referenced by ff_vdpau_common_end_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 266 of file vdpau.c.

Referenced by vdpau_h264_start_frame(), vdpau_mpeg4_start_frame(), vdpau_mpeg_start_frame(), and vdpau_vc1_start_frame().

int ff_vdpau_common_end_frame ( AVCodecContext * avctx,

AVFrame * frame,

struct vdpau_picture_context * pic_ctx

)

Definition at line 276 of file vdpau.c.

Referenced by vdpau_h264_end_frame().

int ff_vdpau_add_buffer ( struct vdpau_picture_context * pic_ctx,

const uint8_t * buf,

uint32_t size

)

Definition at line 339 of file vdpau.c.

Referenced by vdpau_h264_decode_slice(), vdpau_mpeg4_start_frame(), vdpau_mpeg_decode_slice(), and vdpau_vc1_decode_slice().

void ff_vdpau_h264_set_reference_frames ( H264Context * h )

Definition at line 360 of file vdpau.c.

Referenced by ff_h264_field_end().

void ff_vdpau_add_data_chunk ( uint8_t * data,

const uint8_t * buf,

int buf_size

)

Definition at line 428 of file vdpau.c.

Referenced by decode_nal_units().

int av_vdpau_get_profile ( AVCodecContext * avctx,

VdpDecoderProfile * profile

)

Get a decoder profile that should be used for initializing a VDPAU decoder.

Should be called from the AVCodecContext.get_format() callback.

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

profile a pointer into which the result will be written on success. The contents of profile are undefined if this function returns an error.

Returns: 0 on success (non-negative), a negative AVERROR on failure.

Definition at line 695 of file vdpau.c.

Referenced by vdpau_old_init().

AVVDPAUContext* av_vdpau_alloc_context ( void )

Allocate an AVVDPAUContext.

Returns: Newly-allocated AVVDPAUContext or NULL on failure.

Definition at line 742 of file vdpau.c.

Referenced by av_alloc_vdpaucontext(), and vdpau_alloc().

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 747 of file vdpau.c.

Referenced by vdpau_alloc().

Generated on Sun Mar 8 2015 02:35:35 for FFmpeg by doxygen 1.8.2