FFmpeg
3.4.9
|
#include "libavutil/avstring.h"
#include "libavutil/channel_layout.h"
#include "libavutil/eval.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "libavutil/xga_font_data.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 | ShowVolumeContext |
Macros | |
#define | OFFSET(x) offsetof(ShowVolumeContext, x) |
#define | FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
Enumerations | |
enum | { VAR_VOLUME, VAR_CHANNEL, VAR_PEAK, VAR_VARS_NB } |
Functions | |
AVFILTER_DEFINE_CLASS (showvolume) | |
static av_cold int | init (AVFilterContext *ctx) |
static int | query_formats (AVFilterContext *ctx) |
static int | config_input (AVFilterLink *inlink) |
static int | config_output (AVFilterLink *outlink) |
static void | drawtext (AVFrame *pic, int x, int y, const char *txt, int o) |
static int | filter_frame (AVFilterLink *inlink, AVFrame *insamples) |
static av_cold void | uninit (AVFilterContext *ctx) |
Variables | |
static const char *const | var_names [] = { "VOLUME", "CHANNEL", "PEAK", NULL } |
static const AVOption | showvolume_options [] |
static const AVFilterPad | showvolume_inputs [] |
static const AVFilterPad | showvolume_outputs [] |
AVFilter | ff_avf_showvolume |
#define OFFSET | ( | x | ) | offsetof(ShowVolumeContext, x) |
Definition at line 55 of file avf_showvolume.c.
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
Definition at line 56 of file avf_showvolume.c.
anonymous enum |
Enumerator | |
---|---|
VAR_VOLUME | |
VAR_CHANNEL | |
VAR_PEAK | |
VAR_VARS_NB |
Definition at line 35 of file avf_showvolume.c.
AVFILTER_DEFINE_CLASS | ( | showvolume | ) |
|
static |
Definition at line 77 of file avf_showvolume.c.
|
static |
Definition at line 92 of file avf_showvolume.c.
|
static |
Definition at line 121 of file avf_showvolume.c.
|
static |
Definition at line 142 of file avf_showvolume.c.
Definition at line 175 of file avf_showvolume.c.
Referenced by filter_frame(), plot_spectrum_column(), and register_all().
|
static |
Definition at line 209 of file avf_showvolume.c.
|
static |
Definition at line 325 of file avf_showvolume.c.
|
static |
Definition at line 34 of file avf_showvolume.c.
Referenced by init().
|
static |
Definition at line 58 of file avf_showvolume.c.
|
static |
Definition at line 335 of file avf_showvolume.c.
|
static |
Definition at line 345 of file avf_showvolume.c.
AVFilter ff_avf_showvolume |
Definition at line 354 of file avf_showvolume.c.