astcenc.c File Reference

ASTC (Adaptive Scalable Texture Compression) muxer. More...

#include "avformat.h"
#include "avio.h"
#include "mux.h"

Go to the source code of this file.

Data Structures
struct	ASTCMuxerContext

Macros
#define	ASTC_HEADER_SIZE   16

Functions
static int	astc_write_header (AVFormatContext *s)
static int	astc_write_packet (AVFormatContext *s, AVPacket *pkt)

Variables
const FFOutputFormat	ff_astc_muxer

Detailed Description

ASTC (Adaptive Scalable Texture Compression) muxer.

The .astc container is a 16-byte header followed by the raw ASTC bitstream. The header is taken verbatim from the encoder's extradata (which it publishes in .astc form).

Definition in file astcenc.c.

Macro Definition Documentation

ASTC_HEADER_SIZE

#define ASTC_HEADER_SIZE   16

Definition at line 35 of file astcenc.c.

Function Documentation

astc_write_header()

static int astc_write_header ( AVFormatContext * s )

static

Definition at line 41 of file astcenc.c.

astc_write_packet()

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

static

Definition at line 55 of file astcenc.c.

Variable Documentation

ff_astc_muxer

const FFOutputFormat ff_astc_muxer

Initial value:

= {
    .p.name         = "astc",
    .p.long_name    = NULL_IF_CONFIG_SMALL("ASTC (Adaptive Scalable Texture Compression)"),
    .p.mime_type    = "image/astc",
    .p.extensions   = "astc",
    .p.audio_codec  = AV_CODEC_ID_NONE,
    .p.video_codec  = AV_CODEC_ID_ASTC,
    .p.subtitle_codec = AV_CODEC_ID_NONE,
    .flags_internal = FF_OFMT_FLAG_MAX_ONE_OF_EACH |
                      FF_OFMT_FLAG_ONLY_DEFAULT_CODECS,
    .priv_data_size = sizeof(ASTCMuxerContext),
    .write_header   = astc_write_header,
    .write_packet   = astc_write_packet,
    .p.flags        = AVFMT_NOTIMESTAMPS,
}

Definition at line 72 of file astcenc.c.