webpenc.c File Reference

#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "libavcodec/bytestream.h"
#include "avformat.h"
#include "internal.h"
#include "mux.h"

Go to the source code of this file.

Data Structures
struct	WebpContext

Macros
#define	OFFSET(x)   offsetof(WebpContext, x)
#define	ENC   AV_OPT_FLAG_ENCODING_PARAM

Functions
static int	webp_init (AVFormatContext *s)
static int	is_animated_webp_packet (AVPacket *pkt)
static int	flush (AVFormatContext *s, int trailer, int64_t pts)
	Returns 1 if it has written a RIFF header with a correct length field. More...
static int	webp_write_packet (AVFormatContext *s, AVPacket *pkt)
static int	webp_write_trailer (AVFormatContext *s)

Variables
static const AVOption	options []
static const AVClass	webp_muxer_class
const FFOutputFormat	ff_webp_muxer

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(WebpContext, x)

Definition at line 204 of file webpenc.c.

ENC

#define ENC   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 205 of file webpenc.c.

Function Documentation

webp_init()

static int webp_init ( AVFormatContext *  s )

static

Definition at line 38 of file webpenc.c.

is_animated_webp_packet()

static int is_animated_webp_packet ( AVPacket *  pkt )

static

Definition at line 50 of file webpenc.c.

Referenced by webp_write_packet().

flush()

static int flush ( AVFormatContext *  s, int  trailer, int64_t  pts  )

static

Returns 1 if it has written a RIFF header with a correct length field.

Definition at line 74 of file webpenc.c.

Referenced by webp_write_packet(), and webp_write_trailer().

webp_write_packet()

static int webp_write_packet ( AVFormatContext *  s, AVPacket *  pkt  )

static

Definition at line 150 of file webpenc.c.

webp_write_trailer()

static int webp_write_trailer ( AVFormatContext *  s )

static

Definition at line 176 of file webpenc.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    { "loop", "Number of times to loop the output: 0 - infinite loop", OFFSET(loop),
      AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 65535, ENC },
    { NULL },
}

Definition at line 206 of file webpenc.c.

webp_muxer_class

const AVClass webp_muxer_class

static

Initial value:

= {
    .class_name = "WebP muxer",
    .item_name  = av_default_item_name,
    .version    = LIBAVUTIL_VERSION_INT,
    .option     = options,
}

Definition at line 212 of file webpenc.c.

ff_webp_muxer

const FFOutputFormat ff_webp_muxer

Initial value:

= {
    .p.name         = "webp",
    .p.long_name    = NULL_IF_CONFIG_SMALL("WebP"),
    .p.extensions   = "webp",
    .priv_data_size = sizeof(WebpContext),
    .p.video_codec  = AV_CODEC_ID_WEBP,
    .p.audio_codec    = AV_CODEC_ID_NONE,
    .p.subtitle_codec = AV_CODEC_ID_NONE,
    .init           = webp_init,
    .write_packet   = webp_write_packet,
    .write_trailer  = webp_write_trailer,
    .p.priv_class   = &webp_muxer_class,
    .p.flags        = AVFMT_VARIABLE_FPS,
    .flags_internal = FF_OFMT_FLAG_MAX_ONE_OF_EACH |
                      FF_OFMT_FLAG_ONLY_DEFAULT_CODECS,
}

Definition at line 218 of file webpenc.c.