cuvid.c File Reference

#include "compat/cuda/dynlink_loader.h"
#include "libavutil/buffer.h"
#include "libavutil/mathematics.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_cuda_internal.h"
#include "libavutil/fifo.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "decode.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	CuvidContext
struct	CuvidParsedFrame

Macros
#define	CHECK_CU(x)   check_cu(avctx, (x), #x)
#define	OFFSET(x)   offsetof(CuvidContext, x)
#define	VD   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
#define	DEFINE_CUVID_CODEC(x, X)

Functions
static int	check_cu (AVCodecContext *avctx, CUresult err, const char *func)
static int CUDAAPI	cuvid_handle_video_sequence (void *opaque, CUVIDEOFORMAT *format)
static int CUDAAPI	cuvid_handle_picture_decode (void *opaque, CUVIDPICPARAMS *picparams)
static int CUDAAPI	cuvid_handle_picture_display (void *opaque, CUVIDPARSERDISPINFO *dispinfo)
static int	cuvid_is_buffer_full (AVCodecContext *avctx)
static int	cuvid_decode_packet (AVCodecContext *avctx, const AVPacket *avpkt)
static int	cuvid_output_frame (AVCodecContext *avctx, AVFrame *frame)
static int	cuvid_decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_cold int	cuvid_decode_end (AVCodecContext *avctx)
static int	cuvid_test_capabilities (AVCodecContext *avctx, const CUVIDPARSERPARAMS *cuparseinfo, int probed_width, int probed_height, int bit_depth)
static av_cold int	cuvid_decode_init (AVCodecContext *avctx)
static void	cuvid_flush (AVCodecContext *avctx)

Variables
static const AVOption	options []

Macro Definition Documentation

#define CHECK_CU

(

x

)

check_cu(avctx, (x), #x)

Definition at line 117 of file cuvid.c.

Referenced by cuvid_decode_init(), cuvid_handle_picture_decode(), cuvid_output_frame(), and cuvid_test_capabilities().

#define OFFSET

(

x

)

offsetof(CuvidContext, x)

Definition at line 1082 of file cuvid.c.

#define VD   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM

Definition at line 1083 of file cuvid.c.

#define DEFINE_CUVID_CODEC	(		x,
			X
	)

Definition at line 1097 of file cuvid.c.

Function Documentation

static int check_cu ( AVCodecContext *  avctx, CUresult  err, const char *  func  )

static

Definition at line 95 of file cuvid.c.

static int CUDAAPI cuvid_handle_video_sequence ( void *  opaque, CUVIDEOFORMAT *  format  )

static

Definition at line 119 of file cuvid.c.

Referenced by cuvid_decode_init().

static int CUDAAPI cuvid_handle_picture_decode ( void *  opaque, CUVIDPICPARAMS *  picparams  )

static

Definition at line 335 of file cuvid.c.

Referenced by cuvid_decode_init().

static int CUDAAPI cuvid_handle_picture_display ( void *  opaque, CUVIDPARSERDISPINFO *  dispinfo  )

static

Definition at line 349 of file cuvid.c.

Referenced by cuvid_decode_init().

static int cuvid_is_buffer_full ( AVCodecContext *  avctx )

static

Definition at line 372 of file cuvid.c.

Referenced by cuvid_output_frame().

static int cuvid_decode_packet ( AVCodecContext *  avctx, const AVPacket *  avpkt  )

static

Definition at line 379 of file cuvid.c.

Referenced by cuvid_decode_frame(), and cuvid_output_frame().

static int cuvid_output_frame ( AVCodecContext *  avctx, AVFrame *  frame  )

static

Definition at line 469 of file cuvid.c.

Referenced by cuvid_decode_frame().

static int cuvid_decode_frame ( AVCodecContext *  avctx, void *  data, int *  got_frame, AVPacket *  avpkt  )

static

Definition at line 644 of file cuvid.c.

static av_cold int cuvid_decode_end ( AVCodecContext *  avctx )

static

Definition at line 675 of file cuvid.c.

Referenced by cuvid_decode_init().

static int cuvid_test_capabilities ( AVCodecContext *  avctx, const CUVIDPARSERPARAMS *  cuparseinfo, int  probed_width, int  probed_height, int  bit_depth  )

static

Definition at line 700 of file cuvid.c.

Referenced by cuvid_decode_init().

static av_cold int cuvid_decode_init ( AVCodecContext *  avctx )

static

Definition at line 788 of file cuvid.c.

static void cuvid_flush ( AVCodecContext *  avctx )

static

Definition at line 1026 of file cuvid.c.

Variable Documentation

const AVOption options[]

static

Initial value:

= {
    { "deint",    "Set deinterlacing mode", OFFSET(deint_mode), AV_OPT_TYPE_INT,   { .i64 = cudaVideoDeinterlaceMode_Weave    }, cudaVideoDeinterlaceMode_Weave, cudaVideoDeinterlaceMode_Adaptive, VD, "deint" },
    { "weave",    "Weave deinterlacing (do nothing)",        0, AV_OPT_TYPE_CONST, { .i64 = cudaVideoDeinterlaceMode_Weave    }, 0, 0, VD, "deint" },
    { "bob",      "Bob deinterlacing",                       0, AV_OPT_TYPE_CONST, { .i64 = cudaVideoDeinterlaceMode_Bob      }, 0, 0, VD, "deint" },
    { "adaptive", "Adaptive deinterlacing",                  0, AV_OPT_TYPE_CONST, { .i64 = cudaVideoDeinterlaceMode_Adaptive }, 0, 0, VD, "deint" },
    { "gpu",      "GPU to be used for decoding", OFFSET(cu_gpu), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VD },
    { "surfaces", "Maximum surfaces to be used for decoding", OFFSET(nb_surfaces), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, INT_MAX, VD },
    { "drop_second_field", "Drop second field when deinterlacing", OFFSET(drop_second_field), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VD },
    { "crop",     "Crop (top)x(bottom)x(left)x(right)", OFFSET(crop_expr), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VD },
    { "resize",   "Resize (width)x(height)", OFFSET(resize_expr), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VD },
    { NULL }
}

Definition at line 1084 of file cuvid.c.