FFmpeg
Data Structures | Macros | Functions | Variables
libxavs2.c File Reference
#include "xavs2.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 29 of file libxavs2.c.

◆ OFFSET

#define OFFSET (   x)    offsetof(XAVS2EContext, x)

Definition at line 259 of file libxavs2.c.

◆ VE

Definition at line 260 of file libxavs2.c.

Function Documentation

◆ xavs2_init()

static av_cold int xavs2_init ( AVCodecContext avctx)
static

Definition at line 60 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 125 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 147 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 167 of file libxavs2.c.

◆ xavs2_close()

static av_cold int xavs2_close ( AVCodecContext avctx)
static

Definition at line 245 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 262 of file libxavs2.c.

◆ libxavs2

const AVClass libxavs2
static
Initial value:
= {
.class_name = "XAVS2EContext",
.item_name = av_default_item_name,
.option = options,
}

Definition at line 274 of file libxavs2.c.

◆ xavs2_defaults

const AVCodecDefault xavs2_defaults[]
static
Initial value:
= {
{ "b", "0" },
{ "g", "48"},
{ "bf", "7" },
{ NULL },
}

Definition at line 281 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"),
.priv_data_size = sizeof(XAVS2EContext),
.encode2 = xavs2_encode_frame,
.close = xavs2_close,
.caps_internal = FF_CODEC_CAP_AUTO_THREADS,
.priv_class = &libxavs2,
.defaults = xavs2_defaults,
.wrapper_name = "libxavs2",
}

Definition at line 288 of file libxavs2.c.

AV_LOG_WARNING
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:187
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
name
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf default minimum maximum flags name is the option name
Definition: writing_filters.txt:88
init
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:31
AV_CODEC_ID_AVS2
@ AV_CODEC_ID_AVS2
Definition: codec_id.h:243
libxavs2
static const AVClass libxavs2
Definition: libxavs2.c:274
XAVS2EContext
Definition: libxavs2.c:39
AV_CODEC_CAP_OTHER_THREADS
#define AV_CODEC_CAP_OTHER_THREADS
Codec supports multithreading through a method other than slice- or frame-level multithreading.
Definition: codec.h:122
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:289
AV_PIX_FMT_YUV420P
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
NULL
#define NULL
Definition: coverity.c:32
xavs2_encode_frame
static int xavs2_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: libxavs2.c:167
xavs2_init
static av_cold int xavs2_init(AVCodecContext *avctx)
Definition: libxavs2.c:60
VE
#define VE
Definition: libxavs2.c:260
AV_OPT_TYPE_DICT
@ AV_OPT_TYPE_DICT
Definition: opt.h:232
av_default_item_name
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:235
FF_CODEC_CAP_AUTO_THREADS
#define FF_CODEC_CAP_AUTO_THREADS
Codec handles avctx->thread_count == 0 (auto) internally.
Definition: internal.h:80
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
xavs2_defaults
static const AVCodecDefault xavs2_defaults[]
Definition: libxavs2.c:281
OFFSET
#define OFFSET(x)
Definition: libxavs2.c:259
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
AV_CODEC_CAP_DELAY
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
Definition: codec.h:77
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
format
fg outputs[0] format
Definition: ffmpeg_filter.c:175
options
static const AVOption options[]
Definition: libxavs2.c:262
xavs2_close
static av_cold int xavs2_close(AVCodecContext *avctx)
Definition: libxavs2.c:245