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Data Structures | Macros | Functions | Variables
astenc.c File Reference
#include "avformat.h"
#include "avio_internal.h"
#include "internal.h"
#include "ast.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"

Go to the source code of this file.

Data Structures

struct  ASTMuxContext
 

Macros

#define CHECK_LOOP(type)
 
#define OFFSET(obj)   offsetof(ASTMuxContext, obj)
 

Functions

static int ast_write_header (AVFormatContext *s)
 
static int ast_write_packet (AVFormatContext *s, AVPacket *pkt)
 
static int ast_write_trailer (AVFormatContext *s)
 

Variables

static const AVOption options []
 
static const AVClass ast_muxer_class
 
AVOutputFormat ff_ast_muxer
 

Macro Definition Documentation

#define CHECK_LOOP (   type)
Value:
if (ast->loop ## type > 0) { \
ast->loop ## type = av_rescale_rnd(ast->loop ## type, enc->sample_rate, 1000, AV_ROUND_DOWN); \
if (ast->loop ## type < 0 || ast->loop ## type > UINT_MAX) { \
av_log(s, AV_LOG_ERROR, "Invalid loop" #type " value\n"); \
return AVERROR(EINVAL); \
} \
}

Definition at line 38 of file astenc.c.

Referenced by ast_write_header().

#define OFFSET (   obj)    offsetof(ASTMuxContext, obj)

Definition at line 188 of file astenc.c.

Function Documentation

static int ast_write_header ( AVFormatContext s)
static

Definition at line 47 of file astenc.c.

static int ast_write_packet ( AVFormatContext s,
AVPacket pkt 
)
static

Definition at line 109 of file astenc.c.

static int ast_write_trailer ( AVFormatContext s)
static

Definition at line 132 of file astenc.c.

Variable Documentation

const AVOption options[]
static
Initial value:
= {
{ "loopstart", "Loopstart position in milliseconds.", OFFSET(loopstart), AV_OPT_TYPE_INT64, { .i64 = -1 }, -1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
{ "loopend", "Loopend position in milliseconds.", OFFSET(loopend), AV_OPT_TYPE_INT64, { .i64 = 0 }, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
{ NULL },
}

Definition at line 189 of file astenc.c.

const AVClass ast_muxer_class
static
Initial value:
= {
.class_name = "AST muxer",
.item_name = av_default_item_name,
.option = options,
}

Definition at line 195 of file astenc.c.

AVOutputFormat ff_ast_muxer
Initial value:
= {
.name = "ast",
.long_name = NULL_IF_CONFIG_SMALL("AST (Audio Stream)"),
.extensions = "ast",
.priv_data_size = sizeof(ASTMuxContext),
.video_codec = AV_CODEC_ID_NONE,
.priv_class = &ast_muxer_class,
.codec_tag = (const AVCodecTag* const []){ff_codec_ast_tags, 0},
}

Definition at line 202 of file astenc.c.