FFmpeg
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#include "libavutil/avassert.h"
#include "libavutil/channel_layout.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "avfilter.h"
#include "filters.h"
#include "formats.h"
#include "audio.h"
#include "video.h"
Go to the source code of this file.
Data Structures | |
struct | AudioVectorScopeContext |
Macros | |
#define | OFFSET(x) offsetof(AudioVectorScopeContext, x) |
#define | FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
#define | TFLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM |
Enumerations | |
enum | VectorScopeMode { LISSAJOUS, LISSAJOUS_XY, POLAR, MODE_NB } |
enum | VectorScopeDraw { DOT, LINE, AALINE, DRAW_NB } |
enum | VectorScopeScale { LIN, SQRT, CBRT, LOG, SCALE_NB } |
Functions | |
AVFILTER_DEFINE_CLASS (avectorscope) | |
static void | draw_dot (AudioVectorScopeContext *s, unsigned x, unsigned y, int value) |
static void | draw_line (AudioVectorScopeContext *s, int x0, int y0, int x1, int y1) |
static void | draw_aaline (AudioVectorScopeContext *s, int x0, int y0, int x1, int y1) |
static int | fade (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
static int | query_formats (AVFilterContext *ctx) |
static int | config_input (AVFilterLink *inlink) |
static int | config_output (AVFilterLink *outlink) |
static int | filter_frame (AVFilterLink *inlink, AVFrame *insamples) |
static int | activate (AVFilterContext *ctx) |
static av_cold void | uninit (AVFilterContext *ctx) |
Variables | |
static const AVOption | avectorscope_options [] |
static const AVFilterPad | audiovectorscope_inputs [] |
static const AVFilterPad | audiovectorscope_outputs [] |
const AVFilter | ff_avf_avectorscope |
audio to video multimedia vectorscope filter
Definition in file avf_avectorscope.c.
#define OFFSET | ( | x | ) | offsetof(AudioVectorScopeContext, x) |
Definition at line 76 of file avf_avectorscope.c.
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
Definition at line 77 of file avf_avectorscope.c.
Definition at line 78 of file avf_avectorscope.c.
enum VectorScopeMode |
Enumerator | |
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LISSAJOUS | |
LISSAJOUS_XY | |
POLAR | |
MODE_NB |
Definition at line 36 of file avf_avectorscope.c.
enum VectorScopeDraw |
Enumerator | |
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DOT | |
LINE | |
AALINE | |
DRAW_NB |
Definition at line 43 of file avf_avectorscope.c.
enum VectorScopeScale |
Enumerator | |
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LIN | |
SQRT | |
CBRT | |
LOG | |
SCALE_NB |
Definition at line 50 of file avf_avectorscope.c.
AVFILTER_DEFINE_CLASS | ( | avectorscope | ) |
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Definition at line 119 of file avf_avectorscope.c.
Referenced by draw_aaline(), draw_line(), and filter_frame().
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Definition at line 139 of file avf_avectorscope.c.
Referenced by filter_frame().
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Definition at line 165 of file avf_avectorscope.c.
Referenced by filter_frame().
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Definition at line 199 of file avf_avectorscope.c.
Referenced by filter_frame().
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Definition at line 233 of file avf_avectorscope.c.
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Definition at line 260 of file avf_avectorscope.c.
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Definition at line 270 of file avf_avectorscope.c.
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Definition at line 287 of file avf_avectorscope.c.
Referenced by activate().
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Definition at line 438 of file avf_avectorscope.c.
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Definition at line 465 of file avf_avectorscope.c.
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Definition at line 80 of file avf_avectorscope.c.
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Definition at line 472 of file avf_avectorscope.c.
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Definition at line 480 of file avf_avectorscope.c.
const AVFilter ff_avf_avectorscope |
Definition at line 488 of file avf_avectorscope.c.