hapqa_extract_bsf.c File Reference

HAPQA extract bitstream filter extract one of the two textures of the HAQA. More...

#include "avcodec.h"
#include "bsf.h"
#include "bytestream.h"
#include "hap.h"

Go to the source code of this file.

Data Structures
struct	HapqaExtractContext

Macros
#define	OFFSET(x)   offsetof(HapqaExtractContext, x)
#define	FLAGS   (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_BSF_PARAM)

Functions
static int	check_texture (HapqaExtractContext *ctx, int section_type)
static int	hapqa_extract (AVBSFContext *bsf, AVPacket *pkt)

Variables
static enum AVCodecID	codec_ids []
static const AVOption	options []
static const AVClass	hapqa_extract_class
const AVBitStreamFilter	ff_hapqa_extract_bsf

Detailed Description

HAPQA extract bitstream filter extract one of the two textures of the HAQA.

Definition in file hapqa_extract_bsf.c.

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(HapqaExtractContext, x)

Definition at line 112 of file hapqa_extract_bsf.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_BSF_PARAM)

Definition at line 113 of file hapqa_extract_bsf.c.

Function Documentation

check_texture()

static int check_texture ( HapqaExtractContext *  ctx, int  section_type  )

static

Definition at line 38 of file hapqa_extract_bsf.c.

Referenced by hapqa_extract().

hapqa_extract()

static int hapqa_extract ( AVBSFContext *  bsf, AVPacket *  pkt  )

static

Definition at line 48 of file hapqa_extract_bsf.c.

Variable Documentation

codec_ids

enum AVCodecID codec_ids[]

static

Initial value:

= {
    AV_CODEC_ID_HAP, AV_CODEC_ID_NONE,
}

Definition at line 108 of file hapqa_extract_bsf.c.

options

const AVOption options[]

static

Initial value:

= {
    { "texture", "texture to keep", OFFSET(texture), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS, "texture" },
        { "color", "keep HapQ texture",         0, AV_OPT_TYPE_CONST, { .i64 = 0 }, 0, 0, FLAGS, "texture" },
        { "alpha", "keep HapAlphaOnly texture", 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, FLAGS, "texture" },
    { NULL },
}

Definition at line 114 of file hapqa_extract_bsf.c.

hapqa_extract_class

const AVClass hapqa_extract_class

static

Initial value:

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

Definition at line 121 of file hapqa_extract_bsf.c.

ff_hapqa_extract_bsf

const AVBitStreamFilter ff_hapqa_extract_bsf

Initial value:

= {
    .name       = "hapqa_extract",
    .filter     = hapqa_extract,
    .priv_data_size = sizeof(HapqaExtractContext),
    .priv_class = &hapqa_extract_class,
    .codec_ids  = codec_ids,
}

Definition at line 128 of file hapqa_extract_bsf.c.