vf_transpose_vt.c File Reference

#include <VideoToolbox/VideoToolbox.h>
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_videotoolbox.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "filters.h"
#include "transpose.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	TransposeVtContext

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

Functions
static av_cold int	transpose_vt_init (AVFilterContext *avctx)
static av_cold void	transpose_vt_uninit (AVFilterContext *avctx)
static int	transpose_vt_filter_frame (AVFilterLink *link, AVFrame *in)
static int	transpose_vt_recreate_hw_ctx (AVFilterLink *outlink)
static int	transpose_vt_config_output (AVFilterLink *outlink)
	AVFILTER_DEFINE_CLASS (transpose_vt)

Variables
static const AVOption	transpose_vt_options []
static const AVFilterPad	transpose_vt_inputs []
static const AVFilterPad	transpose_vt_outputs []
const FFFilter	ff_vf_transpose_vt

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(TransposeVtContext, x)

Definition at line 229 of file vf_transpose_vt.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 230 of file vf_transpose_vt.c.

Function Documentation

transpose_vt_init()

static av_cold int transpose_vt_init ( AVFilterContext *  avctx )

static

Definition at line 40 of file vf_transpose_vt.c.

transpose_vt_uninit()

static av_cold void transpose_vt_uninit ( AVFilterContext *  avctx )

static

Definition at line 54 of file vf_transpose_vt.c.

transpose_vt_filter_frame()

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

static

Definition at line 65 of file vf_transpose_vt.c.

transpose_vt_recreate_hw_ctx()

static int transpose_vt_recreate_hw_ctx ( AVFilterLink *  outlink )

static

Definition at line 107 of file vf_transpose_vt.c.

Referenced by transpose_vt_config_output().

transpose_vt_config_output()

static int transpose_vt_config_output ( AVFilterLink *  outlink )

static

Definition at line 143 of file vf_transpose_vt.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

transpose_vt

)

Variable Documentation

transpose_vt_options

const AVOption transpose_vt_options[]

static

Initial value:

= {
    { "dir", "set transpose direction",
            OFFSET(dir), AV_OPT_TYPE_INT, { .i64 = TRANSPOSE_CCLOCK_FLIP }, 0, 6, FLAGS, .unit = "dir" },
    { "cclock_flip", "rotate counter-clockwise with vertical flip",
            0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CCLOCK_FLIP }, .flags=FLAGS, .unit = "dir" },
    { "clock", "rotate clockwise",
            0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CLOCK }, .flags=FLAGS, .unit = "dir" },
    { "cclock", "rotate counter-clockwise",
            0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CCLOCK }, .flags=FLAGS, .unit = "dir" },
    { "clock_flip", "rotate clockwise with vertical flip",
            0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CLOCK_FLIP }, .flags=FLAGS, .unit = "dir" },
    { "reversal", "rotate by half-turn",
            0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_REVERSAL }, .flags=FLAGS, .unit = "dir" },
    { "hflip", "flip horizontally",
            0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_HFLIP }, .flags=FLAGS, .unit = "dir" },
    { "vflip", "flip vertically",
            0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_VFLIP }, .flags=FLAGS, .unit = "dir" },
 
    { "passthrough", "do not apply transposition if the input matches the specified geometry",
            OFFSET(passthrough), AV_OPT_TYPE_INT, { .i64=TRANSPOSE_PT_TYPE_NONE },  0, INT_MAX, FLAGS, .unit = "passthrough" },
    { "none", "always apply transposition",
            0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_PT_TYPE_NONE }, INT_MIN, INT_MAX, FLAGS, .unit = "passthrough" },
    { "portrait", "preserve portrait geometry",
            0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_PT_TYPE_PORTRAIT },  INT_MIN, INT_MAX, FLAGS, .unit = "passthrough" },
    { "landscape", "preserve landscape geometry",
            0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_PT_TYPE_LANDSCAPE }, INT_MIN, INT_MAX, FLAGS, .unit = "passthrough" },
 
    { NULL }
}

Definition at line 231 of file vf_transpose_vt.c.

transpose_vt_inputs

const AVFilterPad transpose_vt_inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .filter_frame = &transpose_vt_filter_frame,
    },
}

Definition at line 263 of file vf_transpose_vt.c.

transpose_vt_outputs

const AVFilterPad transpose_vt_outputs[]

static

Initial value:

= {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_VIDEO,
        .config_props = &transpose_vt_config_output,
    },
}

Definition at line 271 of file vf_transpose_vt.c.

ff_vf_transpose_vt

const FFFilter ff_vf_transpose_vt

Initial value:

= {
    .p.name         = "transpose_vt",
    .p.description  = NULL_IF_CONFIG_SMALL("Transpose Videotoolbox frames"),
    .p.priv_class   = &transpose_vt_class,
    .p.flags        = AVFILTER_FLAG_HWDEVICE,
    .priv_size      = sizeof(TransposeVtContext),
    .init           = transpose_vt_init,
    .uninit         = transpose_vt_uninit,
    FILTER_INPUTS(transpose_vt_inputs),
    FILTER_OUTPUTS(transpose_vt_outputs),
    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VIDEOTOOLBOX),
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 279 of file vf_transpose_vt.c.