vf_transpose_opencl.c File Reference

#include <float.h>
#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "internal.h"
#include "opencl.h"
#include "opencl_source.h"
#include "video.h"
#include "transpose.h"

Go to the source code of this file.

Data Structures
struct	TransposeOpenCLContext

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

Functions
static int	transpose_opencl_init (AVFilterContext *avctx)
static int	transpose_opencl_config_output (AVFilterLink *outlink)
static AVFrame *	get_video_buffer (AVFilterLink *inlink, int w, int h)
static int	transpose_opencl_filter_frame (AVFilterLink *inlink, AVFrame *input)
static av_cold void	transpose_opencl_uninit (AVFilterContext *avctx)
	AVFILTER_DEFINE_CLASS (transpose_opencl)

Variables
static const AVOption	transpose_opencl_options []
static const AVFilterPad	transpose_opencl_inputs []
static const AVFilterPad	transpose_opencl_outputs []
const AVFilter	ff_vf_transpose_opencl

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(TransposeOpenCLContext, x)

Definition at line 235 of file vf_transpose_opencl.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 236 of file vf_transpose_opencl.c.

Function Documentation

transpose_opencl_init()

static int transpose_opencl_init ( AVFilterContext *  avctx )

static

Definition at line 41 of file vf_transpose_opencl.c.

Referenced by transpose_opencl_filter_frame().

transpose_opencl_config_output()

static int transpose_opencl_config_output ( AVFilterLink *  outlink )

static

Definition at line 72 of file vf_transpose_opencl.c.

get_video_buffer()

static AVFrame* get_video_buffer ( AVFilterLink *  inlink, int  w, int  h  )

static

Definition at line 124 of file vf_transpose_opencl.c.

transpose_opencl_filter_frame()

static int transpose_opencl_filter_frame ( AVFilterLink *  inlink, AVFrame *  input  )

static

Definition at line 133 of file vf_transpose_opencl.c.

transpose_opencl_uninit()

static av_cold void transpose_opencl_uninit ( AVFilterContext *  avctx )

static

Definition at line 213 of file vf_transpose_opencl.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

transpose_opencl

)

Variable Documentation

transpose_opencl_options

const AVOption transpose_opencl_options[]

static

Initial value:

= {
    { "dir", "set transpose direction", OFFSET(dir), AV_OPT_TYPE_INT, { .i64 = TRANSPOSE_CCLOCK_FLIP }, 0, 3, FLAGS, "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" },
 
    { "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, "passthrough" },
        { "none",      "always apply transposition",   0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_NONE},      INT_MIN, INT_MAX, FLAGS, "passthrough" },
        { "portrait",  "preserve portrait geometry",   0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_PORTRAIT},  INT_MIN, INT_MAX, FLAGS, "passthrough" },
        { "landscape", "preserve landscape geometry",  0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_LANDSCAPE}, INT_MIN, INT_MAX, FLAGS, "passthrough" },
 
    { NULL }
}

Definition at line 237 of file vf_transpose_opencl.c.

transpose_opencl_inputs

const AVFilterPad transpose_opencl_inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .get_buffer.video = get_video_buffer,
        .filter_frame = &transpose_opencl_filter_frame,
        .config_props = &ff_opencl_filter_config_input,
    },
}

Definition at line 255 of file vf_transpose_opencl.c.

transpose_opencl_outputs

const AVFilterPad transpose_opencl_outputs[]

static

Initial value:

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

Definition at line 265 of file vf_transpose_opencl.c.

ff_vf_transpose_opencl

const AVFilter ff_vf_transpose_opencl

Initial value:

= {
    .name           = "transpose_opencl",
    .description    = NULL_IF_CONFIG_SMALL("Transpose input video"),
    .priv_size      = sizeof(TransposeOpenCLContext),
    .priv_class     = &transpose_opencl_class,
    .init           = &ff_opencl_filter_init,
    .uninit         = &transpose_opencl_uninit,
    FILTER_INPUTS(transpose_opencl_inputs),
    FILTER_OUTPUTS(transpose_opencl_outputs),
    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_OPENCL),
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 273 of file vf_transpose_opencl.c.