FFmpeg
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#include <float.h>
#include "libavutil/ffmath.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "audio.h"
#include "avfilter.h"
#include "filters.h"
Go to the source code of this file.
Data Structures | |
struct | ChannelStats |
struct | DRMeterContext |
Macros | |
#define | BINS 32768 |
#define | OFFSET(x) offsetof(DRMeterContext, x) |
#define | FLAGS AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM |
#define | SQR(a) ((a)*(a)) |
Functions | |
AVFILTER_DEFINE_CLASS (drmeter) | |
static int | config_output (AVFilterLink *outlink) |
static void | finish_block (ChannelStats *p) |
static void | update_stat (DRMeterContext *s, ChannelStats *p, float sample) |
static int | filter_frame (AVFilterLink *inlink, AVFrame *buf) |
static void | print_stats (AVFilterContext *ctx) |
static av_cold void | uninit (AVFilterContext *ctx) |
Variables | |
static const AVOption | drmeter_options [] |
static const AVFilterPad | drmeter_inputs [] |
static const AVFilterPad | drmeter_outputs [] |
const AVFilter | ff_af_drmeter |
#define BINS 32768 |
Definition at line 30 of file af_drmeter.c.
#define OFFSET | ( | x | ) | offsetof(DRMeterContext, x) |
Definition at line 49 of file af_drmeter.c.
#define FLAGS AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM |
Definition at line 50 of file af_drmeter.c.
Definition at line 127 of file af_drmeter.c.
AVFILTER_DEFINE_CLASS | ( | drmeter | ) |
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Definition at line 59 of file af_drmeter.c.
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Definition at line 72 of file af_drmeter.c.
Referenced by print_stats(), and update_stat().
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Definition at line 90 of file af_drmeter.c.
Referenced by filter_frame().
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Definition at line 99 of file af_drmeter.c.
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Definition at line 129 of file af_drmeter.c.
Referenced by uninit().
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Definition at line 175 of file af_drmeter.c.
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Definition at line 52 of file af_drmeter.c.
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Definition at line 184 of file af_drmeter.c.
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Definition at line 192 of file af_drmeter.c.
const AVFilter ff_af_drmeter |
Definition at line 200 of file af_drmeter.c.