libavcodec/proresenc_kostya.c File Reference

#include "libavutil/opt.h"
#include "avcodec.h"
#include "put_bits.h"
#include "bytestream.h"
#include "internal.h"
#include "proresdsp.h"
#include "proresdata.h"

Go to the source code of this file.

Data Structures

struct prores_profile

struct TrellisNode

struct ProresThreadData

struct ProresContext

Defines

#define CFACTOR_Y422   2

#define CFACTOR_Y444   3

#define MAX_MBS_PER_SLICE   8

#define MAX_PLANES   3

#define NUM_MB_LIMITS   4

#define TRELLIS_WIDTH   16

#define SCORE_LIMIT   INT_MAX / 2

#define MAX_STORED_Q   16

#define GET_SIGN(x)   ((x) >> 31)

#define MAKE_CODE(x)   (((x) << 1) ^ GET_SIGN(x))

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

#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Enumerations

enum { PRORES_PROFILE_PROXY = 0, PRORES_PROFILE_LT, PRORES_PROFILE_STANDARD, PRORES_PROFILE_HQ }

enum {
  QUANT_MAT_PROXY = 0, QUANT_MAT_LT, QUANT_MAT_STANDARD, QUANT_MAT_HQ,
  QUANT_MAT_DEFAULT
}

Functions

static void get_slice_data (ProresContext *ctx, const uint16_t *src, int linesize, int x, int y, int w, int h, DCTELEM *blocks, uint16_t *emu_buf, int mbs_per_slice, int blocks_per_mb, int is_chroma)

static void encode_vlc_codeword (PutBitContext *pb, unsigned codebook, int val)

Write an unsigned rice/exp golomb codeword.

static void encode_dcs (PutBitContext *pb, DCTELEM *blocks, int blocks_per_slice, int scale)

static void encode_acs (PutBitContext *pb, DCTELEM *blocks, int blocks_per_slice, int plane_size_factor, const uint8_t *scan, const int16_t *qmat)

static int encode_slice_plane (ProresContext *ctx, PutBitContext *pb, const uint16_t *src, int linesize, int mbs_per_slice, DCTELEM *blocks, int blocks_per_mb, int plane_size_factor, const int16_t *qmat)

static int encode_slice (AVCodecContext *avctx, const AVFrame *pic, PutBitContext *pb, int sizes[4], int x, int y, int quant, int mbs_per_slice)

static int estimate_vlc (unsigned codebook, int val)

static int estimate_dcs (int *error, DCTELEM *blocks, int blocks_per_slice, int scale)

static int estimate_acs (int *error, DCTELEM *blocks, int blocks_per_slice, int plane_size_factor, const uint8_t *scan, const int16_t *qmat)

static int estimate_slice_plane (ProresContext *ctx, int *error, int plane, const uint16_t *src, int linesize, int mbs_per_slice, int blocks_per_mb, int plane_size_factor, const int16_t *qmat, ProresThreadData *td)

static int find_slice_quant (AVCodecContext *avctx, const AVFrame *pic, int trellis_node, int x, int y, int mbs_per_slice, ProresThreadData *td)

static int find_quant_thread (AVCodecContext *avctx, void *arg, int jobnr, int threadnr)

static int encode_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pic, int *got_packet)

static av_cold int encode_close (AVCodecContext *avctx)

static av_cold int encode_init (AVCodecContext *avctx)

Variables

static const uint8_t prores_quant_matrices [][64]

static const int prores_mb_limits [NUM_MB_LIMITS]

static struct prores_profile prores_profile_info [4]

static const AVOption options []

static const AVClass proresenc_class

AVCodec ff_prores_kostya_encoder

Define Documentation

#define CFACTOR_Y422 2

Definition at line 34 of file proresenc_kostya.c.

Referenced by encode_init().

#define CFACTOR_Y444 3

Definition at line 35 of file proresenc_kostya.c.

Referenced by encode_init(), encode_slice(), and find_slice_quant().

#define GET_SIGN ( x ) ((x) >> 31)

Definition at line 317 of file proresenc_kostya.c.

Referenced by encode_acs(), encode_dcs(), and estimate_dcs().

#define MAKE_CODE ( x ) (((x) << 1) ^ GET_SIGN(x))

Definition at line 318 of file proresenc_kostya.c.

Referenced by encode_dcs(), and estimate_dcs().

#define MAX_MBS_PER_SLICE 8

Definition at line 37 of file proresenc_kostya.c.

#define MAX_PLANES 3

Definition at line 39 of file proresenc_kostya.c.

#define MAX_STORED_Q 16

Definition at line 170 of file proresenc_kostya.c.

Referenced by encode_init(), encode_slice(), and find_slice_quant().

#define NUM_MB_LIMITS 4

Definition at line 109 of file proresenc_kostya.c.

Referenced by encode_init().

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

Definition at line 1017 of file proresenc_kostya.c.

#define SCORE_LIMIT INT_MAX / 2

Definition at line 161 of file proresenc_kostya.c.

Referenced by find_slice_quant().

#define TRELLIS_WIDTH 16

Definition at line 160 of file proresenc_kostya.c.

Referenced by encode_init(), find_quant_thread(), and find_slice_quant().

#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Definition at line 1018 of file proresenc_kostya.c.

Enumeration Type Documentation

anonymous enum

Enumerator:

PRORES_PROFILE_PROXY
PRORES_PROFILE_LT
PRORES_PROFILE_STANDARD
PRORES_PROFILE_HQ

Definition at line 41 of file proresenc_kostya.c.

anonymous enum

Enumerator:

QUANT_MAT_PROXY
QUANT_MAT_LT
QUANT_MAT_STANDARD
QUANT_MAT_HQ
QUANT_MAT_DEFAULT

Definition at line 48 of file proresenc_kostya.c.

Function Documentation

static void encode_acs	(	PutBitContext *	pb,
		DCTELEM *	blocks,
		int	blocks_per_slice,
		int	plane_size_factor,
		const uint8_t *	scan,
		const int16_t *	qmat
	)			`[static]`

Definition at line 346 of file proresenc_kostya.c.

Referenced by encode_slice_plane().

static av_cold int encode_close ( AVCodecContext * avctx ) [static]

Definition at line 863 of file proresenc_kostya.c.

static void encode_dcs	(	PutBitContext *	pb,
		DCTELEM *	blocks,
		int	blocks_per_slice,
		int	scale
	)			`[static]`

Definition at line 320 of file proresenc_kostya.c.

Referenced by encode_slice_plane().

static int encode_frame	(	AVCodecContext *	avctx,
		AVPacket *	pkt,
		const AVFrame *	pic,
		int *	got_packet
	)			`[static]`

Definition at line 738 of file proresenc_kostya.c.

static av_cold int encode_init ( AVCodecContext * avctx ) [static]

Definition at line 880 of file proresenc_kostya.c.

static int encode_slice	(	AVCodecContext *	avctx,
		const AVFrame *	pic,
		PutBitContext *	pb,
		int	sizes[4],
		int	x,
		int	y,
		int	quant,
		int	mbs_per_slice
	)			`[static]`

Definition at line 399 of file proresenc_kostya.c.

static int encode_slice_plane	(	ProresContext *	ctx,
		PutBitContext *	pb,
		const uint16_t *	src,
		int	linesize,
		int	mbs_per_slice,
		DCTELEM *	blocks,
		int	blocks_per_mb,
		int	plane_size_factor,
		const int16_t *	qmat
	)			`[static]`

Definition at line 380 of file proresenc_kostya.c.

static void encode_vlc_codeword	(	PutBitContext *	pb,
		unsigned	codebook,
		int	val
	)			`[inline, static]`

Write an unsigned rice/exp golomb codeword.

Definition at line 288 of file proresenc_kostya.c.

Referenced by encode_acs(), and encode_dcs().

static int estimate_acs	(	int *	error,
		DCTELEM *	blocks,
		int	blocks_per_slice,
		int	plane_size_factor,
		const uint8_t *	scan,
		const int16_t *	qmat
	)			`[static]`

Definition at line 515 of file proresenc_kostya.c.

Referenced by estimate_slice_plane().

static int estimate_dcs	(	int *	error,
		DCTELEM *	blocks,
		int	blocks_per_slice,
		int	scale
	)			`[static]`

Definition at line 484 of file proresenc_kostya.c.

Referenced by estimate_slice_plane().

static int estimate_slice_plane	(	ProresContext *	ctx,
		int *	error,
		int	plane,
		const uint16_t *	src,
		int	linesize,
		int	mbs_per_slice,
		int	blocks_per_mb,
		int	plane_size_factor,
		const int16_t *	qmat,
		ProresThreadData *	td
	)			`[static]`

Definition at line 551 of file proresenc_kostya.c.

Referenced by find_slice_quant().

static int estimate_vlc	(	unsigned	codebook,
		int	val
	)			`[inline, static]`

Definition at line 462 of file proresenc_kostya.c.

Referenced by estimate_acs(), and estimate_dcs().

static int find_quant_thread	(	AVCodecContext *	avctx,
		void *	arg,
		int	jobnr,
		int	threadnr
	)			`[static]`

Definition at line 714 of file proresenc_kostya.c.

Referenced by encode_frame().

static int find_slice_quant	(	AVCodecContext *	avctx,
		const AVFrame *	pic,
		int	trellis_node,
		int	x,
		int	y,
		int	mbs_per_slice,
		ProresThreadData *	td
	)			`[static]`

Definition at line 569 of file proresenc_kostya.c.

Referenced by find_quant_thread().

static void get_slice_data	(	ProresContext *	ctx,
		const uint16_t *	src,
		int	linesize,
		int	x,
		int	y,
		int	w,
		int	h,
		DCTELEM *	blocks,
		uint16_t *	emu_buf,
		int	mbs_per_slice,
		int	blocks_per_mb,
		int	is_chroma
	)			`[static]`

Definition at line 214 of file proresenc_kostya.c.

Referenced by encode_slice(), and find_slice_quant().

Variable Documentation

AVCodec ff_prores_kostya_encoder

Initial value:

 {
    .name           = "prores_kostya",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_PRORES,
    .priv_data_size = sizeof(ProresContext),
    .init           = encode_init,
    .close          = encode_close,
    .encode2        = encode_frame,
    .capabilities   = CODEC_CAP_SLICE_THREADS,
    .long_name      = NULL_IF_CONFIG_SMALL("Apple ProRes (iCodec Pro)"),
    .pix_fmts       = (const enum PixelFormat[]) {
                          PIX_FMT_YUV422P10, PIX_FMT_YUV444P10, PIX_FMT_NONE
                      },
    .priv_class     = &proresenc_class,
}

Definition at line 1062 of file proresenc_kostya.c.

const AVOption options[] [static]

Definition at line 1020 of file proresenc_kostya.c.

const int prores_mb_limits[NUM_MB_LIMITS] [static]

Initial value:

Definition at line 110 of file proresenc_kostya.c.

Referenced by encode_init().

struct prores_profile prores_profile_info[4] [static]

Referenced by encode_init().

const uint8_t prores_quant_matrices[][64] [static]

Definition at line 56 of file proresenc_kostya.c.

Referenced by encode_init().

const AVClass proresenc_class [static]

Initial value:

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

Definition at line 1055 of file proresenc_kostya.c.


Data Structures
struct	prores_profile
struct	TrellisNode
struct	ProresThreadData
struct	ProresContext
Defines
#define	CFACTOR_Y422 2
#define	CFACTOR_Y444 3
#define	MAX_MBS_PER_SLICE 8
#define	MAX_PLANES 3
#define	NUM_MB_LIMITS 4
#define	TRELLIS_WIDTH 16
#define	SCORE_LIMIT INT_MAX / 2
#define	MAX_STORED_Q 16
#define	GET_SIGN(x) ((x) >> 31)
#define	MAKE_CODE(x) (((x) << 1) ^ GET_SIGN(x))
#define	OFFSET(x) offsetof(ProresContext, x)
#define	VE AV_OPT_FLAG_VIDEO_PARAM \| AV_OPT_FLAG_ENCODING_PARAM
Enumerations
enum	{ PRORES_PROFILE_PROXY = 0, PRORES_PROFILE_LT, PRORES_PROFILE_STANDARD, PRORES_PROFILE_HQ }
enum	{ QUANT_MAT_PROXY = 0, QUANT_MAT_LT, QUANT_MAT_STANDARD, QUANT_MAT_HQ, QUANT_MAT_DEFAULT }
Functions
static void	get_slice_data (ProresContext ctx, const uint16_t src, int linesize, int x, int y, int w, int h, DCTELEM blocks, uint16_t emu_buf, int mbs_per_slice, int blocks_per_mb, int is_chroma)
static void	encode_vlc_codeword (PutBitContext *pb, unsigned codebook, int val)
	Write an unsigned rice/exp golomb codeword.
static void	encode_dcs (PutBitContext pb, DCTELEM blocks, int blocks_per_slice, int scale)
static void	encode_acs (PutBitContext pb, DCTELEM blocks, int blocks_per_slice, int plane_size_factor, const uint8_t scan, const int16_t qmat)
static int	encode_slice_plane (ProresContext ctx, PutBitContext pb, const uint16_t src, int linesize, int mbs_per_slice, DCTELEM blocks, int blocks_per_mb, int plane_size_factor, const int16_t *qmat)
static int	encode_slice (AVCodecContext avctx, const AVFrame pic, PutBitContext *pb, int sizes[4], int x, int y, int quant, int mbs_per_slice)
static int	estimate_vlc (unsigned codebook, int val)
static int	estimate_dcs (int error, DCTELEM blocks, int blocks_per_slice, int scale)
static int	estimate_acs (int error, DCTELEM blocks, int blocks_per_slice, int plane_size_factor, const uint8_t scan, const int16_t qmat)
static int	estimate_slice_plane (ProresContext ctx, int error, int plane, const uint16_t src, int linesize, int mbs_per_slice, int blocks_per_mb, int plane_size_factor, const int16_t qmat, ProresThreadData *td)
static int	find_slice_quant (AVCodecContext avctx, const AVFrame pic, int trellis_node, int x, int y, int mbs_per_slice, ProresThreadData *td)
static int	find_quant_thread (AVCodecContext avctx, void arg, int jobnr, int threadnr)
static int	encode_frame (AVCodecContext avctx, AVPacket pkt, const AVFrame pic, int got_packet)
static av_cold int	encode_close (AVCodecContext *avctx)
static av_cold int	encode_init (AVCodecContext *avctx)
Variables
static const uint8_t	prores_quant_matrices [][64]
static const int	prores_mb_limits [NUM_MB_LIMITS]
static struct prores_profile	prores_profile_info [4]
static const AVOption	options []
static const AVClass	proresenc_class
AVCodec	ff_prores_kostya_encoder