FFmpeg
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#include "config_components.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.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 | frame_node |
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 } |
enum | ShowWavesScale { SCALE_LIN, SCALE_LOG, SCALE_SQRT, SCALE_CBRT, SCALE_NB } |
enum | ShowWavesDrawMode { DRAW_SCALE, DRAW_FULL, DRAW_NB } |
enum | ShowWavesFilterMode { FILTER_AVERAGE, FILTER_PEAK, FILTER_NB } |
Functions | |
AVFILTER_DEFINE_CLASS (showwaves) | |
static av_cold void | uninit (AVFilterContext *ctx) |
static int | query_formats (AVFilterContext *ctx) |
static int | get_lin_h (int16_t sample, int height) |
static int | get_lin_h2 (int16_t sample, int height) |
static int | get_log_h (int16_t sample, int height) |
static int | get_log_h2 (int16_t sample, int height) |
static int | get_sqrt_h (int16_t sample, int height) |
static int | get_sqrt_h2 (int16_t sample, int height) |
static int | get_cbrt_h (int16_t sample, int height) |
static int | get_cbrt_h2 (int16_t sample, int height) |
static void | draw_sample_point_rgba_scale (uint8_t *buf, int height, int linesize, int16_t *prev_y, const uint8_t color[4], int h) |
static void | draw_sample_point_rgba_full (uint8_t *buf, int height, int linesize, int16_t *prev_y, const uint8_t color[4], int h) |
static void | draw_sample_line_rgba_scale (uint8_t *buf, int height, int linesize, int16_t *prev_y, const uint8_t color[4], int h) |
static void | draw_sample_line_rgba_full (uint8_t *buf, int height, int linesize, int16_t *prev_y, const uint8_t color[4], int h) |
static void | draw_sample_p2p_rgba_scale (uint8_t *buf, int height, int linesize, int16_t *prev_y, const uint8_t color[4], int h) |
static void | draw_sample_p2p_rgba_full (uint8_t *buf, int height, int linesize, int16_t *prev_y, const uint8_t color[4], int h) |
static void | draw_sample_cline_rgba_scale (uint8_t *buf, int height, int linesize, int16_t *prev_y, const uint8_t color[4], int h) |
static void | draw_sample_cline_rgba_full (uint8_t *buf, int height, int linesize, int16_t *prev_y, const uint8_t color[4], int h) |
static void | draw_sample_point_gray (uint8_t *buf, int height, int linesize, int16_t *prev_y, const uint8_t color[4], int h) |
static void | draw_sample_line_gray (uint8_t *buf, int height, int linesize, int16_t *prev_y, const uint8_t color[4], int h) |
static void | draw_sample_p2p_gray (uint8_t *buf, int height, int linesize, int16_t *prev_y, const uint8_t color[4], int h) |
static void | draw_sample_cline_gray (uint8_t *buf, int height, int linesize, int16_t *prev_y, const uint8_t color[4], int h) |
static int | config_output (AVFilterLink *outlink) |
static int | push_frame (AVFilterLink *outlink, int i, int64_t pts) |
static int | push_single_pic (AVFilterLink *outlink) |
static int | request_frame (AVFilterLink *outlink) |
static int | alloc_out_frame (ShowWavesContext *showwaves, AVFilterLink *outlink) |
static av_cold int | init (AVFilterContext *ctx) |
Variables | |
static const AVOption | showwaves_options [] |
audio to video multimedia filter
Definition in file avf_showwaves.c.
#define OFFSET | ( | x | ) | offsetof(ShowWavesContext, x) |
Definition at line 106 of file avf_showwaves.c.
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
Definition at line 107 of file avf_showwaves.c.
enum ShowWavesMode |
Enumerator | |
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MODE_POINT | |
MODE_LINE | |
MODE_P2P | |
MODE_CENTERED_LINE | |
MODE_NB |
Definition at line 41 of file avf_showwaves.c.
enum ShowWavesScale |
Enumerator | |
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SCALE_LIN | |
SCALE_LOG | |
SCALE_SQRT | |
SCALE_CBRT | |
SCALE_NB |
Definition at line 49 of file avf_showwaves.c.
enum ShowWavesDrawMode |
Enumerator | |
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DRAW_SCALE | |
DRAW_FULL | |
DRAW_NB |
Definition at line 57 of file avf_showwaves.c.
enum ShowWavesFilterMode |
Enumerator | |
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FILTER_AVERAGE | |
FILTER_PEAK | |
FILTER_NB |
Definition at line 63 of file avf_showwaves.c.
AVFILTER_DEFINE_CLASS | ( | showwaves | ) |
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Definition at line 135 of file avf_showwaves.c.
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Definition at line 158 of file avf_showwaves.c.
Definition at line 189 of file avf_showwaves.c.
Referenced by config_output().
Definition at line 194 of file avf_showwaves.c.
Referenced by config_output().
Definition at line 199 of file avf_showwaves.c.
Referenced by config_output().
Definition at line 204 of file avf_showwaves.c.
Referenced by config_output().
Definition at line 209 of file avf_showwaves.c.
Referenced by config_output().
Definition at line 214 of file avf_showwaves.c.
Referenced by config_output().
Definition at line 219 of file avf_showwaves.c.
Referenced by config_output().
Definition at line 224 of file avf_showwaves.c.
Referenced by config_output().
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Definition at line 229 of file avf_showwaves.c.
Referenced by config_output().
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Definition at line 241 of file avf_showwaves.c.
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Definition at line 250 of file avf_showwaves.c.
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Definition at line 268 of file avf_showwaves.c.
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Definition at line 283 of file avf_showwaves.c.
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Definition at line 310 of file avf_showwaves.c.
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Definition at line 331 of file avf_showwaves.c.
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Definition at line 346 of file avf_showwaves.c.
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Definition at line 358 of file avf_showwaves.c.
Referenced by config_output().
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Definition at line 366 of file avf_showwaves.c.
Referenced by config_output().
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Definition at line 379 of file avf_showwaves.c.
Referenced by config_output().
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Definition at line 398 of file avf_showwaves.c.
Referenced by config_output().
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Definition at line 409 of file avf_showwaves.c.
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Definition at line 564 of file avf_showwaves.c.
Referenced by push_single_pic().
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Definition at line 585 of file avf_showwaves.c.
Referenced by request_frame().
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Definition at line 655 of file avf_showwaves.c.
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Definition at line 669 of file avf_showwaves.c.
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Definition at line 685 of file avf_showwaves.c.
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Definition at line 109 of file avf_showwaves.c.