nvdec.c File Reference

#include "config.h"
#include "libavutil/common.h"
#include "libavutil/error.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_cuda_internal.h"
#include "libavutil/pixdesc.h"
#include "libavutil/pixfmt.h"
#include "avcodec.h"
#include "decode.h"
#include "nvdec.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	NVDECDecoder
struct	NVDECFramePool

Functions
static int	map_avcodec_id (enum AVCodecID id)
static int	map_chroma_format (enum AVPixelFormat pix_fmt)
static int	nvdec_test_capabilities (NVDECDecoder *decoder, CUVIDDECODECREATEINFO *params, void *logctx)
static void	nvdec_decoder_free (void *opaque, uint8_t *data)
static int	nvdec_decoder_create (AVBufferRef **out, AVBufferRef *hw_device_ref, CUVIDDECODECREATEINFO *params, void *logctx)
static AVBufferRef *	nvdec_decoder_frame_alloc (void *opaque, int size)
int	ff_nvdec_decode_uninit (AVCodecContext *avctx)
int	ff_nvdec_decode_init (AVCodecContext *avctx)
static void	nvdec_fdd_priv_free (void *priv)
static void	nvdec_unmap_mapped_frame (void *opaque, uint8_t *data)
static int	nvdec_retrieve_data (void *logctx, AVFrame *frame)
int	ff_nvdec_start_frame (AVCodecContext *avctx, AVFrame *frame)
int	ff_nvdec_end_frame (AVCodecContext *avctx)
int	ff_nvdec_simple_end_frame (AVCodecContext *avctx)
int	ff_nvdec_simple_decode_slice (AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
static void	nvdec_free_dummy (struct AVHWFramesContext *ctx)
static AVBufferRef *	nvdec_alloc_dummy (int size)
int	ff_nvdec_frame_params (AVCodecContext *avctx, AVBufferRef *hw_frames_ctx, int dpb_size)
int	ff_nvdec_get_ref_idx (AVFrame *frame)

Function Documentation

static int map_avcodec_id ( enum AVCodecID  id )

static

Definition at line 53 of file nvdec.c.

Referenced by ff_nvdec_decode_init(), and ff_nvdec_frame_params().

static int map_chroma_format ( enum AVPixelFormat  pix_fmt )

static

Definition at line 70 of file nvdec.c.

Referenced by ff_nvdec_decode_init(), and ff_nvdec_frame_params().

static int nvdec_test_capabilities ( NVDECDecoder *  decoder, CUVIDDECODECREATEINFO *  params, void *  logctx  )

static

Definition at line 86 of file nvdec.c.

Referenced by nvdec_decoder_create().

static void nvdec_decoder_free ( void *  opaque, uint8_t *  data  )

static

Definition at line 148 of file nvdec.c.

Referenced by nvdec_decoder_create().

static int nvdec_decoder_create ( AVBufferRef **  out, AVBufferRef *  hw_device_ref, CUVIDDECODECREATEINFO *  params, void *  logctx  )

static

Definition at line 166 of file nvdec.c.

Referenced by ff_nvdec_decode_init().

static AVBufferRef* nvdec_decoder_frame_alloc ( void *  opaque, int  size  )

static

Definition at line 235 of file nvdec.c.

Referenced by ff_nvdec_decode_init().

int ff_nvdec_decode_uninit

(

AVCodecContext *

avctx

)

Definition at line 252 of file nvdec.c.

Referenced by ff_nvdec_decode_init().

int ff_nvdec_decode_init

(

AVCodecContext *

avctx

)

Definition at line 270 of file nvdec.c.

static void nvdec_fdd_priv_free ( void *  priv )

static

Definition at line 350 of file nvdec.c.

Referenced by ff_nvdec_start_frame().

static void nvdec_unmap_mapped_frame ( void *  opaque, uint8_t *  data  )

static

Definition at line 363 of file nvdec.c.

static int nvdec_retrieve_data ( void *  logctx, AVFrame *  frame  )

static

Definition at line 389 of file nvdec.c.

Referenced by ff_nvdec_start_frame().

int ff_nvdec_start_frame	(	AVCodecContext *	avctx,
		AVFrame *	frame
	)

Definition at line 461 of file nvdec.c.

Referenced by nvdec_h264_start_frame(), nvdec_hevc_start_frame(), nvdec_mjpeg_start_frame(), nvdec_mpeg12_start_frame(), nvdec_mpeg4_start_frame(), nvdec_vc1_start_frame(), nvdec_vp8_start_frame(), and nvdec_vp9_start_frame().

int ff_nvdec_end_frame

(

AVCodecContext *

avctx

)

Definition at line 503 of file nvdec.c.

Referenced by ff_nvdec_simple_end_frame().

int ff_nvdec_simple_end_frame

(

AVCodecContext *

avctx

)

Definition at line 537 of file nvdec.c.

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

Definition at line 545 of file nvdec.c.

Referenced by nvdec_mjpeg_start_frame(), and nvdec_mpeg4_start_frame().

static void nvdec_free_dummy ( struct AVHWFramesContext *  ctx )

static

Definition at line 567 of file nvdec.c.

Referenced by ff_nvdec_frame_params().

static AVBufferRef* nvdec_alloc_dummy ( int  size )

static

Definition at line 572 of file nvdec.c.

Referenced by ff_nvdec_frame_params().

int ff_nvdec_frame_params	(	AVCodecContext *	avctx,
		AVBufferRef *	hw_frames_ctx,
		int	dpb_size
	)

Definition at line 577 of file nvdec.c.

Referenced by nvdec_h264_frame_params(), nvdec_hevc_frame_params(), nvdec_mjpeg_frame_params(), nvdec_mpeg12_frame_params(), nvdec_mpeg4_frame_params(), nvdec_vc1_frame_params(), nvdec_vp8_frame_params(), and nvdec_vp9_frame_params().

int ff_nvdec_get_ref_idx

(

AVFrame *

frame

)

Definition at line 633 of file nvdec.c.

Referenced by nvdec_mpeg12_start_frame(), nvdec_mpeg4_start_frame(), nvdec_vc1_start_frame(), nvdec_vp9_start_frame(), and safe_get_ref_idx().