vf_transpose_npp.c File Reference

#include <nppi.h>
#include <stdio.h>
#include <string.h>
#include "libavutil/common.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_cuda_internal.h"
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	NPPTransposeStageContext
struct	NPPTransposeContext

Macros
#define	OFFSET(x)   offsetof(NPPTransposeContext, x)
#define	FLAGS   (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)

Enumerations
enum	TransposeStage { STAGE_ROTATE, STAGE_TRANSPOSE, STAGE_NB }
enum	Transpose { NPP_TRANSPOSE_CCLOCK_FLIP = 0, NPP_TRANSPOSE_CLOCK = 1, NPP_TRANSPOSE_CCLOCK = 2, NPP_TRANSPOSE_CLOCK_FLIP = 3 }
enum	Passthrough { NPP_TRANSPOSE_PT_TYPE_NONE = 0, NPP_TRANSPOSE_PT_TYPE_LANDSCAPE, NPP_TRANSPOSE_PT_TYPE_PORTRAIT }

Functions
static int	npptranspose_init (AVFilterContext *ctx)
static void	npptranspose_uninit (AVFilterContext *ctx)
static int	npptranspose_query_formats (AVFilterContext *ctx)
static int	init_stage (NPPTransposeStageContext *stage, AVBufferRef *device_ctx)
static int	format_is_supported (enum AVPixelFormat fmt)
static int	init_processing_chain (AVFilterContext *ctx, int in_width, int in_height, int out_width, int out_height)
static int	npptranspose_config_props (AVFilterLink *outlink)
static int	npptranspose_rotate (AVFilterContext *ctx, NPPTransposeStageContext *stage, AVFrame *out, AVFrame *in)
static int	npptranspose_transpose (AVFilterContext *ctx, NPPTransposeStageContext *stage, AVFrame *out, AVFrame *in)
static int	npptranspose_filter (AVFilterContext *ctx, AVFrame *out, AVFrame *in)
static int	npptranspose_filter_frame (AVFilterLink *link, AVFrame *in)

Variables
static enum AVPixelFormat	supported_formats []
static int(*const	npptranspose_process [])(AVFilterContext *ctx, NPPTransposeStageContext *stage, AVFrame *out, AVFrame *in)
static const AVOption	options []
static const AVClass	npptranspose_class
static const AVFilterPad	npptranspose_inputs []
static const AVFilterPad	npptranspose_outputs []
AVFilter	ff_vf_transpose_npp

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(NPPTransposeContext, x)

Definition at line 435 of file vf_transpose_npp.c.

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 436 of file vf_transpose_npp.c.

Enumeration Type Documentation

enum TransposeStage

Enumerator
STAGE_ROTATE
STAGE_TRANSPOSE
STAGE_NB

Definition at line 40 of file vf_transpose_npp.c.

enum Transpose

Enumerator
NPP_TRANSPOSE_CCLOCK_FLIP
NPP_TRANSPOSE_CLOCK
NPP_TRANSPOSE_CCLOCK
NPP_TRANSPOSE_CLOCK_FLIP

Definition at line 46 of file vf_transpose_npp.c.

enum Passthrough

Enumerator
NPP_TRANSPOSE_PT_TYPE_NONE
NPP_TRANSPOSE_PT_TYPE_LANDSCAPE
NPP_TRANSPOSE_PT_TYPE_PORTRAIT

Definition at line 53 of file vf_transpose_npp.c.

Function Documentation

static int npptranspose_init ( AVFilterContext *  ctx )

static

Definition at line 80 of file vf_transpose_npp.c.

static void npptranspose_uninit ( AVFilterContext *  ctx )

static

Definition at line 98 of file vf_transpose_npp.c.

static int npptranspose_query_formats ( AVFilterContext *  ctx )

static

Definition at line 111 of file vf_transpose_npp.c.

static int init_stage ( NPPTransposeStageContext *  stage, AVBufferRef *  device_ctx  )

static

Definition at line 121 of file vf_transpose_npp.c.

Referenced by init_processing_chain().

static int format_is_supported ( enum AVPixelFormat  fmt )

static

Definition at line 174 of file vf_transpose_npp.c.

Referenced by init_processing_chain().

static int init_processing_chain ( AVFilterContext *  ctx, int  in_width, int  in_height, int  out_width, int  out_height  )

static

Definition at line 185 of file vf_transpose_npp.c.

Referenced by npptranspose_config_props().

static int npptranspose_config_props ( AVFilterLink *  outlink )

static

Definition at line 257 of file vf_transpose_npp.c.

static int npptranspose_rotate ( AVFilterContext *  ctx, NPPTransposeStageContext *  stage, AVFrame *  out, AVFrame *  in  )

static

Definition at line 295 of file vf_transpose_npp.c.

static int npptranspose_transpose ( AVFilterContext *  ctx, NPPTransposeStageContext *  stage, AVFrame *  out, AVFrame *  in  )

static

Definition at line 329 of file vf_transpose_npp.c.

static int npptranspose_filter ( AVFilterContext *  ctx, AVFrame *  out, AVFrame *  in  )

static

Definition at line 357 of file vf_transpose_npp.c.

Referenced by npptranspose_filter_frame().

static int npptranspose_filter_frame ( AVFilterLink *  link, AVFrame *  in  )

static

Definition at line 392 of file vf_transpose_npp.c.

Variable Documentation

enum AVPixelFormat supported_formats[]

static

Initial value:

= {
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUV444P
}

Definition at line 35 of file vf_transpose_npp.c.

Referenced by format_is_supported().

int(*const npptranspose_process[])(AVFilterContext *ctx, NPPTransposeStageContext *stage, AVFrame *out, AVFrame *in)

static

Initial value:

= {
    [STAGE_ROTATE]       = npptranspose_rotate,
    [STAGE_TRANSPOSE]    = npptranspose_transpose
}

Definition at line 351 of file vf_transpose_npp.c.

Referenced by npptranspose_filter().

const AVOption options[]

static

Initial value:

= {
    { "dir", "set transpose direction", OFFSET(dir), AV_OPT_TYPE_INT, { .i64 = NPP_TRANSPOSE_CCLOCK_FLIP }, 0, 3, FLAGS, "dir" },
        { "cclock_flip", "rotate counter-clockwise with vertical flip", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_CCLOCK_FLIP }, 0, 0, FLAGS, "dir" },
        { "clock",       "rotate clockwise",                            0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_CLOCK       }, 0, 0, FLAGS, "dir" },
        { "cclock",      "rotate counter-clockwise",                    0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_CCLOCK      }, 0, 0, FLAGS, "dir" },
        { "clock_flip",  "rotate clockwise with vertical flip",         0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_CLOCK_FLIP  }, 0, 0, FLAGS, "dir" },
    { "passthrough", "do not apply transposition if the input matches the specified geometry", OFFSET(passthrough), AV_OPT_TYPE_INT, { .i64 = NPP_TRANSPOSE_PT_TYPE_NONE },  0, 2, FLAGS, "passthrough" },
        { "none",      "always apply transposition",  0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_PT_TYPE_NONE },      0, 0, FLAGS, "passthrough" },
        { "landscape", "preserve landscape geometry", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_PT_TYPE_LANDSCAPE }, 0, 0, FLAGS, "passthrough" },
        { "portrait",  "preserve portrait geometry",  0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_PT_TYPE_PORTRAIT },  0, 0, FLAGS, "passthrough" },
    { NULL },
}

Definition at line 438 of file vf_transpose_npp.c.

const AVClass npptranspose_class

static

Initial value:

= {
    .class_name = "npptranspose",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 451 of file vf_transpose_npp.c.

const AVFilterPad npptranspose_inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .filter_frame = npptranspose_filter_frame,
    },
    { NULL }
}

Definition at line 458 of file vf_transpose_npp.c.

const AVFilterPad npptranspose_outputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = npptranspose_config_props,
    },
    { NULL }
}

Definition at line 467 of file vf_transpose_npp.c.

AVFilter ff_vf_transpose_npp

Initial value:

= {
    .name           = "transpose_npp",
    .description    = NULL_IF_CONFIG_SMALL("NVIDIA Performance Primitives video transpose"),
    .init           = npptranspose_init,
    .uninit         = npptranspose_uninit,
    .query_formats  = npptranspose_query_formats,
    .priv_size      = sizeof(NPPTransposeContext),
    .priv_class     = &npptranspose_class,
    .inputs         = npptranspose_inputs,
    .outputs        = npptranspose_outputs,
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 476 of file vf_transpose_npp.c.