libxavs2.c File Reference

#include "xavs2.h"
#include "encode.h"
#include "mpeg12.h"
#include "libavutil/avstring.h"

Go to the source code of this file.

Data Structures
struct	XAVS2EContext

Macros
#define	xavs2_opt_set2(name, format, ...)
#define	OFFSET(x)   offsetof(XAVS2EContext, x)
#define	VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Functions
static av_cold int	xavs2_init (AVCodecContext *avctx)
static void	xavs2_copy_frame_with_shift (xavs2_picture_t *pic, const AVFrame *frame, const int shift_in)
static void	xavs2_copy_frame (xavs2_picture_t *pic, const AVFrame *frame)
static int	xavs2_encode_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
static av_cold int	xavs2_close (AVCodecContext *avctx)

Variables
static const AVOption	options []
static const AVClass	libxavs2
static const AVCodecDefault	xavs2_defaults []
const AVCodec	ff_libxavs2_encoder

Macro Definition Documentation

xavs2_opt_set2

#define xavs2_opt_set2	(		name,
			format,
			...
	)

Value:

    do{ \
    char opt_str[16] = {0}; \
    int err; \
    av_strlcatf(opt_str, sizeof(opt_str), format, __VA_ARGS__); \
    err = cae->api->opt_set2(cae->param, name, opt_str); \
    if (err < 0) {\
        av_log(avctx, AV_LOG_WARNING, "Invalid value for %s: %s\n", name, opt_str);\
    }\
} while(0);

Definition at line 30 of file libxavs2.c.

OFFSET

#define OFFSET

(

x

)

offsetof(XAVS2EContext, x)

Definition at line 258 of file libxavs2.c.

VE

#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Definition at line 259 of file libxavs2.c.

Function Documentation

xavs2_init()

static av_cold int xavs2_init ( AVCodecContext *  avctx )

static

Definition at line 61 of file libxavs2.c.

xavs2_copy_frame_with_shift()

static void xavs2_copy_frame_with_shift ( xavs2_picture_t *  pic, const AVFrame *  frame, const int  shift_in  )

static

Definition at line 126 of file libxavs2.c.

Referenced by xavs2_encode_frame().

xavs2_copy_frame()

static void xavs2_copy_frame ( xavs2_picture_t *  pic, const AVFrame *  frame  )

static

Definition at line 148 of file libxavs2.c.

Referenced by xavs2_encode_frame().

xavs2_encode_frame()

static int xavs2_encode_frame ( AVCodecContext *  avctx, AVPacket *  pkt, const AVFrame *  frame, int *  got_packet  )

static

Definition at line 168 of file libxavs2.c.

xavs2_close()

static av_cold int xavs2_close ( AVCodecContext *  avctx )

static

Definition at line 244 of file libxavs2.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    { "lcu_row_threads" ,   "number of parallel threads for rows" ,     OFFSET(lcu_row_threads) , AV_OPT_TYPE_INT, {.i64 =  0 },  0, INT_MAX,  VE },
    { "initial_qp"      ,   "Quantization initial parameter"      ,     OFFSET(initial_qp)      , AV_OPT_TYPE_INT, {.i64 = 34 },  1,      63,  VE },
    { "qp"              ,   "Quantization parameter"  ,                 OFFSET(qp)              , AV_OPT_TYPE_INT, {.i64 = 34 },  1,      63,  VE },
    { "max_qp"          ,   "max qp for rate control" ,                 OFFSET(max_qp)          , AV_OPT_TYPE_INT, {.i64 = 55 },  0,      63,  VE },
    { "min_qp"          ,   "min qp for rate control" ,                 OFFSET(min_qp)          , AV_OPT_TYPE_INT, {.i64 = 20 },  0,      63,  VE },
    { "speed_level"     ,   "Speed level, higher is better but slower", OFFSET(preset_level)    , AV_OPT_TYPE_INT, {.i64 =  0 },  0,       9,  VE },
    { "log_level"       ,   "log level: -1: none, 0: error, 1: warning, 2: info, 3: debug", OFFSET(log_level)    , AV_OPT_TYPE_INT, {.i64 =  0 },  -1,       3,  VE },
    { "xavs2-params"    ,   "set the xavs2 configuration using a :-separated list of key=value parameters", OFFSET(xavs2_opts), AV_OPT_TYPE_DICT, { 0 }, 0, 0, VE },
    { NULL },
}

Definition at line 261 of file libxavs2.c.

libxavs2

const AVClass libxavs2

static

Initial value:

= {
    .class_name = "XAVS2EContext",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 273 of file libxavs2.c.

xavs2_defaults

const AVCodecDefault xavs2_defaults[]

static

Initial value:

= {
    { "b",                "0" },
    { "g",                "48"},
    { "bf",               "7" },
    { NULL },
}

Definition at line 280 of file libxavs2.c.

ff_libxavs2_encoder

const AVCodec ff_libxavs2_encoder

Initial value:

= {
    .name           = "libxavs2",
    .long_name      = NULL_IF_CONFIG_SMALL("libxavs2 AVS2-P2/IEEE1857.4"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_AVS2,
    .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY |
                      AV_CODEC_CAP_OTHER_THREADS,
    .priv_data_size = sizeof(XAVS2EContext),
    .init           = xavs2_init,
    .encode2        = xavs2_encode_frame,
    .close          = xavs2_close,
    .caps_internal  = FF_CODEC_CAP_AUTO_THREADS,
    .pix_fmts       = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P,
                                                     AV_PIX_FMT_NONE },
    .priv_class     = &libxavs2,
    .defaults       = xavs2_defaults,
    .wrapper_name   = "libxavs2",
}

Definition at line 287 of file libxavs2.c.