FFmpeg
|
audio to video multimedia filter More...
#include "libavutil/channel_layout.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "avfilter.h"
#include "formats.h"
#include "audio.h"
#include "video.h"
#include "internal.h"
Go to the source code of this file.
Data Structures | |
struct | ShowWavesContext |
Macros | |
#define | OFFSET(x) offsetof(ShowWavesContext, x) |
#define | FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
Enumerations | |
enum | ShowWavesMode { MODE_POINT, MODE_LINE, MODE_P2P, MODE_CENTERED_LINE, MODE_NB } |
Functions | |
AVFILTER_DEFINE_CLASS (showwaves) | |
static av_cold void | uninit (AVFilterContext *ctx) |
static int | query_formats (AVFilterContext *ctx) |
static int | config_output (AVFilterLink *outlink) |
static int | push_frame (AVFilterLink *outlink) |
static int | request_frame (AVFilterLink *outlink) |
static void | draw_sample_point (uint8_t *buf, int height, int linesize, int16_t sample, int16_t *prev_y, int intensity) |
static void | draw_sample_line (uint8_t *buf, int height, int linesize, int16_t sample, int16_t *prev_y, int intensity) |
static void | draw_sample_p2p (uint8_t *buf, int height, int linesize, int16_t sample, int16_t *prev_y, int intensity) |
static void | draw_sample_cline (uint8_t *buf, int height, int linesize, int16_t sample, int16_t *prev_y, int intensity) |
static int | filter_frame (AVFilterLink *inlink, AVFrame *insamples) |
static av_cold int | init (AVFilterContext *ctx) |
Variables | |
static const AVOption | showwaves_options [] |
static const AVFilterPad | showwaves_inputs [] |
static const AVFilterPad | showwaves_outputs [] |
AVFilter | ff_avf_showwaves |
audio to video multimedia filter
Definition in file avf_showwaves.c.
#define OFFSET | ( | x | ) | offsetof(ShowWavesContext, x) |
Definition at line 59 of file avf_showwaves.c.
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
Definition at line 60 of file avf_showwaves.c.
enum ShowWavesMode |
Definition at line 35 of file avf_showwaves.c.
AVFILTER_DEFINE_CLASS | ( | showwaves | ) |
|
static |
Definition at line 79 of file avf_showwaves.c.
|
static |
Definition at line 87 of file avf_showwaves.c.
|
static |
Definition at line 121 of file avf_showwaves.c.
|
inlinestatic |
Definition at line 148 of file avf_showwaves.c.
Referenced by filter_frame(), and request_frame().
|
static |
Definition at line 165 of file avf_showwaves.c.
|
static |
Definition at line 181 of file avf_showwaves.c.
Referenced by init().
|
static |
Definition at line 189 of file avf_showwaves.c.
Referenced by init().
|
static |
Definition at line 202 of file avf_showwaves.c.
Referenced by init().
|
static |
Definition at line 221 of file avf_showwaves.c.
Referenced by init().
|
static |
Definition at line 232 of file avf_showwaves.c.
|
static |
Definition at line 287 of file avf_showwaves.c.
|
static |
Definition at line 62 of file avf_showwaves.c.
|
static |
Definition at line 302 of file avf_showwaves.c.
|
static |
Definition at line 311 of file avf_showwaves.c.
AVFilter ff_avf_showwaves |
Definition at line 321 of file avf_showwaves.c.