FFmpeg
Data Structures | Macros | Functions | Variables
libaomenc.c File Reference
#include <aom/aom_encoder.h>
#include <aom/aomcx.h>
#include "libavutil/avassert.h"
#include "libavutil/base64.h"
#include "libavutil/common.h"
#include "libavutil/cpu.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "av1.h"
#include "avcodec.h"
#include "bsf.h"
#include "encode.h"
#include "internal.h"
#include "packet_internal.h"
#include "profiles.h"

Go to the source code of this file.

Data Structures

struct  FrameListData
 Portion of struct vpx_codec_cx_pkt from vpx_encoder.h. More...
 
struct  AOMEncoderContext
 

Macros

#define AOM_DISABLE_CTRL_TYPECHECKS   1
 
#define OFFSET(x)   offsetof(AOMContext, x)
 
#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
 

Functions

static av_cold void log_encoder_error (AVCodecContext *avctx, const char *desc)
 
static av_cold void dump_enc_cfg (AVCodecContext *avctx, const struct aom_codec_enc_cfg *cfg, int level)
 
static void coded_frame_add (void *list, struct FrameListData *cx_frame)
 
static av_cold void free_coded_frame (struct FrameListData *cx_frame)
 
static av_cold void free_frame_list (struct FrameListData *list)
 
static av_cold int codecctl_int (AVCodecContext *avctx, enum aome_enc_control_id id, int val)
 
static av_cold int aom_free (AVCodecContext *avctx)
 
static int set_pix_fmt (AVCodecContext *avctx, aom_codec_caps_t codec_caps, struct aom_codec_enc_cfg *enccfg, aom_codec_flags_t *flags, aom_img_fmt_t *img_fmt)
 
static void set_color_range (AVCodecContext *avctx)
 
static int count_uniform_tiling (int dim, int sb_size, int tiles_log2)
 
static int choose_tiling (AVCodecContext *avctx, struct aom_codec_enc_cfg *enccfg)
 
static av_cold int aom_init (AVCodecContext *avctx, const struct aom_codec_iface *iface)
 
static void cx_pktcpy (AOMContext *ctx, struct FrameListData *dst, const struct aom_codec_cx_pkt *src)
 
static int storeframe (AVCodecContext *avctx, struct FrameListData *cx_frame, AVPacket *pkt)
 Store coded frame information in format suitable for return from encode2(). More...
 
static int queue_frames (AVCodecContext *avctx, AVPacket *pkt_out)
 Queue multiple output frames from the encoder, returning the front-most. More...
 
static int aom_encode (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
 
static av_cold void av1_init_static (AVCodec *codec)
 
static av_cold int av1_init (AVCodecContext *avctx)
 

Variables

static const char *const ctlidstr []
 
static enum AVPixelFormat av1_pix_fmts []
 
static enum AVPixelFormat av1_pix_fmts_with_gray []
 
static enum AVPixelFormat av1_pix_fmts_highbd []
 
static enum AVPixelFormat av1_pix_fmts_highbd_with_gray []
 
static const AVOption options []
 
static const AVCodecDefault defaults []
 
static const AVClass class_aom
 
AVCodec ff_libaom_av1_encoder
 

Detailed Description

AV1 encoder support via libaom

Definition in file libaomenc.c.

Macro Definition Documentation

◆ AOM_DISABLE_CTRL_TYPECHECKS

#define AOM_DISABLE_CTRL_TYPECHECKS   1

Definition at line 26 of file libaomenc.c.

◆ OFFSET

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

Definition at line 1252 of file libaomenc.c.

◆ VE

Definition at line 1253 of file libaomenc.c.

Function Documentation

◆ log_encoder_error()

static av_cold void log_encoder_error ( AVCodecContext avctx,
const char *  desc 
)
static

Definition at line 202 of file libaomenc.c.

Referenced by aom_encode(), aom_init(), and codecctl_int().

◆ dump_enc_cfg()

static av_cold void dump_enc_cfg ( AVCodecContext avctx,
const struct aom_codec_enc_cfg *  cfg,
int  level 
)
static

Definition at line 213 of file libaomenc.c.

Referenced by aom_init().

◆ coded_frame_add()

static void coded_frame_add ( void *  list,
struct FrameListData cx_frame 
)
static

Definition at line 271 of file libaomenc.c.

Referenced by queue_frames().

◆ free_coded_frame()

static av_cold void free_coded_frame ( struct FrameListData cx_frame)
static

Definition at line 281 of file libaomenc.c.

Referenced by free_frame_list(), and queue_frames().

◆ free_frame_list()

static av_cold void free_frame_list ( struct FrameListData list)
static

Definition at line 287 of file libaomenc.c.

Referenced by aom_free().

◆ codecctl_int()

static av_cold int codecctl_int ( AVCodecContext avctx,
enum aome_enc_control_id  id,
int  val 
)
static

Definition at line 298 of file libaomenc.c.

Referenced by aom_init(), and set_color_range().

◆ aom_free()

static av_cold int aom_free ( AVCodecContext avctx)
static

Definition at line 325 of file libaomenc.c.

◆ set_pix_fmt()

static int set_pix_fmt ( AVCodecContext avctx,
aom_codec_caps_t  codec_caps,
struct aom_codec_enc_cfg *  enccfg,
aom_codec_flags_t *  flags,
aom_img_fmt_t *  img_fmt 
)
static

Definition at line 337 of file libaomenc.c.

Referenced by aom_init().

◆ set_color_range()

static void set_color_range ( AVCodecContext avctx)
static

Definition at line 403 of file libaomenc.c.

Referenced by aom_init(), and vpx_init().

◆ count_uniform_tiling()

static int count_uniform_tiling ( int  dim,
int  sb_size,
int  tiles_log2 
)
static

Definition at line 419 of file libaomenc.c.

Referenced by choose_tiling().

◆ choose_tiling()

static int choose_tiling ( AVCodecContext avctx,
struct aom_codec_enc_cfg *  enccfg 
)
static

Definition at line 427 of file libaomenc.c.

Referenced by aom_init().

◆ aom_init()

static av_cold int aom_init ( AVCodecContext avctx,
const struct aom_codec_iface *  iface 
)
static

Definition at line 582 of file libaomenc.c.

Referenced by av1_init().

◆ cx_pktcpy()

static void cx_pktcpy ( AOMContext *  ctx,
struct FrameListData dst,
const struct aom_codec_cx_pkt *  src 
)
inlinestatic

Definition at line 941 of file libaomenc.c.

Referenced by queue_frames().

◆ storeframe()

static int storeframe ( AVCodecContext avctx,
struct FrameListData cx_frame,
AVPacket pkt 
)
static

Store coded frame information in format suitable for return from encode2().

Write information from cx_frame to pkt

Returns
packet data size on success
a negative AVERROR on error

Definition at line 970 of file libaomenc.c.

Referenced by queue_frames().

◆ queue_frames()

static int queue_frames ( AVCodecContext avctx,
AVPacket pkt_out 
)
static

Queue multiple output frames from the encoder, returning the front-most.

In cases where aom_codec_get_cx_data() returns more than 1 frame append the frame queue. Return the head frame if available.

Returns
Stored frame size
AVERROR(EINVAL) on output size error
AVERROR(ENOMEM) on coded frame queue data allocation error

Definition at line 1032 of file libaomenc.c.

Referenced by aom_encode().

◆ aom_encode()

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

Definition at line 1124 of file libaomenc.c.

◆ av1_init_static()

static av_cold void av1_init_static ( AVCodec codec)
static

Definition at line 1232 of file libaomenc.c.

◆ av1_init()

static av_cold int av1_init ( AVCodecContext avctx)
static

Definition at line 1247 of file libaomenc.c.

Variable Documentation

◆ ctlidstr

const char* const ctlidstr[]
static

Definition at line 133 of file libaomenc.c.

Referenced by codecctl_int().

◆ av1_pix_fmts

enum AVPixelFormat av1_pix_fmts[]
static

◆ av1_pix_fmts_with_gray

enum AVPixelFormat av1_pix_fmts_with_gray[]
static

◆ av1_pix_fmts_highbd

enum AVPixelFormat av1_pix_fmts_highbd[]
static

◆ av1_pix_fmts_highbd_with_gray

enum AVPixelFormat av1_pix_fmts_highbd_with_gray[]
static

◆ options

const AVOption options[]
static

Definition at line 1254 of file libaomenc.c.

◆ defaults

const AVCodecDefault defaults[]
static
Initial value:
= {
{ "b", "0" },
{ "qmin", "-1" },
{ "qmax", "-1" },
{ "g", "-1" },
{ "keyint_min", "-1" },
{ NULL },
}

Definition at line 1328 of file libaomenc.c.

◆ class_aom

const AVClass class_aom
static
Initial value:
= {
.class_name = "libaom-av1 encoder",
.item_name = av_default_item_name,
.option = options,
}

Definition at line 1337 of file libaomenc.c.

◆ ff_libaom_av1_encoder

AVCodec ff_libaom_av1_encoder
Initial value:
= {
.name = "libaom-av1",
.long_name = NULL_IF_CONFIG_SMALL("libaom AV1"),
.priv_data_size = sizeof(AOMContext),
.encode2 = aom_encode,
.close = aom_free,
.caps_internal = FF_CODEC_CAP_AUTO_THREADS,
.priv_class = &class_aom,
.defaults = defaults,
.init_static_data = av1_init_static,
.wrapper_name = "libaom",
}

Definition at line 1344 of file libaomenc.c.

init
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:31
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:389
options
static const AVOption options[]
Definition: libaomenc.c:1254
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:405
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:392
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:127
ff_av1_profiles
const AVProfile ff_av1_profiles[]
Definition: profiles.c:147
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
AV_PIX_FMT_GRAY10
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:370
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
NULL
#define NULL
Definition: coverity.c:32
AV_CODEC_ID_AV1
@ AV_CODEC_ID_AV1
Definition: codec_id.h:279
av_default_item_name
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:235
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:390
AV_PIX_FMT_GRAY8
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
defaults
static const AVCodecDefault defaults[]
Definition: libaomenc.c:1328
av1_init
static av_cold int av1_init(AVCodecContext *avctx)
Definition: libaomenc.c:1247
FF_CODEC_CAP_AUTO_THREADS
#define FF_CODEC_CAP_AUTO_THREADS
Codec handles avctx->thread_count == 0 (auto) internally.
Definition: internal.h:81
AV_CODEC_CAP_DR1
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() or get_encode_buffer() for allocating buffers and supports custom allocators.
Definition: codec.h:52
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
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:394
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:396
aom_encode
static int aom_encode(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: libaomenc.c:1124
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:406
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:393
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
profiles
static const AVProfile profiles[]
Definition: libfdk-aacenc.c:429
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:82
AV_PIX_FMT_YUV444P
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
class_aom
static const AVClass class_aom
Definition: libaomenc.c:1337
AV_PIX_FMT_GBRP
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:158
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
AV_PIX_FMT_YUV422P
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
AV_PIX_FMT_GRAY12
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:371
av1_init_static
static av_cold void av1_init_static(AVCodec *codec)
Definition: libaomenc.c:1232
aom_free
static av_cold int aom_free(AVCodecContext *avctx)
Definition: libaomenc.c:325