Apple ProRes encoder (Anatoliy Wasserman version) Known FOURCCs: 'apch' (HQ), 'apcn' (SD), 'apcs' (LT), 'acpo' (Proxy) More...

#include "avcodec.h"
#include "dct.h"
#include "internal.h"
#include "put_bits.h"
#include "bytestream.h"
#include "dsputil.h"
#include "fdctdsp.h"

Data Structures
struct	ProresContext

Macros
#define	DEFAULT_SLICE_MB_WIDTH 8

#define	FF_PROFILE_PRORES_PROXY 0

#define	FF_PROFILE_PRORES_LT 1

#define	FF_PROFILE_PRORES_STANDARD 2

#define	FF_PROFILE_PRORES_HQ 3

#define	QSCALE(qmat, ind, val) ((val) / ((qmat)[ind]))

#define	TO_GOLOMB(val) (((val) << 1) ^ ((val) >> 31))

#define	DIFF_SIGN(val, sign) (((val) >> 31) ^ (sign))

#define	IS_NEGATIVE(val) ((((val) >> 31) ^ -1) + 1)

#define	TO_GOLOMB2(val, sign) ((val)==0 ? 0 : ((val) << 1) + (sign))

#define	FIRST_DC_CB 0xB8

Functions
static void	encode_codeword (PutBitContext *pb, int val, int codebook)

static av_always_inline int	get_level (int val)

static void	encode_dc_coeffs (PutBitContext pb, int16_t in, int blocks_per_slice, int *qmat)

static void	encode_ac_coeffs (AVCodecContext avctx, PutBitContext pb, int16_t in, int blocks_per_slice, int qmat)

static void	get (uint8_t pixels, int stride, int16_t block)

static void	fdct_get (FDCTDSPContext fdsp, uint8_t pixels, int stride, int16_t *block)

static int	encode_slice_plane (AVCodecContext avctx, int mb_count, uint8_t src, int src_stride, uint8_t buf, unsigned buf_size, int qmat, int chroma)

static av_always_inline unsigned	encode_slice_data (AVCodecContext avctx, uint8_t dest_y, uint8_t dest_u, uint8_t dest_v, int luma_stride, int chroma_stride, unsigned mb_count, uint8_t buf, unsigned data_size, unsigned y_data_size, unsigned u_data_size, unsigned v_data_size, int qp)

static void	subimage_with_fill (uint16_t src, unsigned x, unsigned y, unsigned stride, unsigned width, unsigned height, uint16_t dst, unsigned dst_width, unsigned dst_height)

static int	encode_slice (AVCodecContext avctx, const AVFrame pic, int mb_x, int mb_y, unsigned mb_count, uint8_t buf, unsigned data_size, int unsafe, int qp)

static int	prores_encode_picture (AVCodecContext avctx, const AVFrame pic, uint8_t *buf, const int buf_size)

static int	prores_encode_frame (AVCodecContext avctx, AVPacket pkt, const AVFrame pict, int got_packet)

static void	scale_mat (const uint8_t src, int dst, int scale)

static av_cold int	prores_encode_init (AVCodecContext *avctx)

static av_cold int	prores_encode_close (AVCodecContext *avctx)

Variables
static const AVProfile	profiles []

static const int	qp_start_table [4] = { 4, 1, 1, 1 }

static const int	qp_end_table [4] = { 8, 9, 6, 6 }

static const int	bitrate_table [5] = { 1000, 2100, 3500, 5400 }

static const uint8_t	progressive_scan [64]

static const uint8_t	QMAT_LUMA [4][64]

static const uint8_t	QMAT_CHROMA [4][64]

static const uint8_t	dc_codebook [7] = { 0x04, 0x28, 0x28, 0x4D, 0x4D, 0x70, 0x70}

static const uint8_t	run_to_cb [16]

static const uint8_t	lev_to_cb [10]

AVCodec	ff_prores_aw_encoder

AVCodec	ff_prores_encoder

Detailed Description

Apple ProRes encoder (Anatoliy Wasserman version) Known FOURCCs: 'apch' (HQ), 'apcn' (SD), 'apcs' (LT), 'acpo' (Proxy)

Definition in file proresenc_anatoliy.c.

Macro Definition Documentation

#define DEFAULT_SLICE_MB_WIDTH 8

Definition at line 37 of file proresenc_anatoliy.c.

Referenced by encode_slice_plane(), prores_encode_init(), and prores_encode_picture().

#define FF_PROFILE_PRORES_PROXY 0

Definition at line 39 of file proresenc_anatoliy.c.

Referenced by prores_encode_init().

#define FF_PROFILE_PRORES_LT 1

Definition at line 40 of file proresenc_anatoliy.c.

#define FF_PROFILE_PRORES_STANDARD 2

Definition at line 41 of file proresenc_anatoliy.c.

Referenced by prores_encode_init().

#define FF_PROFILE_PRORES_HQ 3

Definition at line 42 of file proresenc_anatoliy.c.

Referenced by prores_encode_init().

#define QSCALE	(	qmat,
		ind,
		val
	)	((val) / ((qmat)[ind]))

Definition at line 188 of file proresenc_anatoliy.c.

Referenced by encode_ac_coeffs(), and encode_dc_coeffs().

#define TO_GOLOMB ( val ) (((val) << 1) ^ ((val) >> 31))

Definition at line 189 of file proresenc_anatoliy.c.

Referenced by encode_dc_coeffs().

#define DIFF_SIGN	(	val,
		sign
	)	(((val) >> 31) ^ (sign))

Definition at line 190 of file proresenc_anatoliy.c.

Referenced by encode_dc_coeffs().

#define IS_NEGATIVE ( val ) ((((val) >> 31) ^ -1) + 1)

Definition at line 191 of file proresenc_anatoliy.c.

Referenced by encode_ac_coeffs().

#define TO_GOLOMB2	(	val,
		sign
	)	((val)==0 ? 0 : ((val) << 1) + (sign))

Definition at line 192 of file proresenc_anatoliy.c.

Referenced by encode_dc_coeffs().

#define FIRST_DC_CB 0xB8

Definition at line 200 of file proresenc_anatoliy.c.

Referenced by encode_dc_coeffs().

Function Documentation

static void encode_codeword	(	PutBitContext *	pb,
		int	val,
		int	codebook
	)

static

Definition at line 158 of file proresenc_anatoliy.c.

Referenced by encode_ac_coeffs(), and encode_dc_coeffs().

static av_always_inline int get_level ( int val )

static

Definition at line 194 of file proresenc_anatoliy.c.

Referenced by encode_ac_coeffs(), and encode_dc_coeffs().

static void encode_dc_coeffs	(	PutBitContext *	pb,
		int16_t *	in,
		int	blocks_per_slice,
		int *	qmat
	)

static

Definition at line 204 of file proresenc_anatoliy.c.

Referenced by encode_slice_plane().

static void encode_ac_coeffs	(	AVCodecContext *	avctx,
		PutBitContext *	pb,
		int16_t *	in,
		int	blocks_per_slice,
		int *	qmat
	)

static

Definition at line 235 of file proresenc_anatoliy.c.

Referenced by encode_slice_plane().

static void get	(	uint8_t *	pixels,
		int	stride,
		int16_t *	block
	)

static

Definition at line 266 of file proresenc_anatoliy.c.

static void fdct_get	(	FDCTDSPContext *	fdsp,
		uint8_t *	pixels,
		int	stride,
		int16_t *	block
	)

static

Definition at line 278 of file proresenc_anatoliy.c.

Referenced by encode_slice_plane().

static int encode_slice_plane	(	AVCodecContext *	avctx,
		int	mb_count,
		uint8_t *	src,
		int	src_stride,
		uint8_t *	buf,
		unsigned	buf_size,
		int *	qmat,
		int	chroma
	)

static

Definition at line 284 of file proresenc_anatoliy.c.

Referenced by encode_slice_data().

static av_always_inline unsigned encode_slice_data	(	AVCodecContext *	avctx,
		uint8_t *	dest_y,
		uint8_t *	dest_u,
		uint8_t *	dest_v,
		int	luma_stride,
		int	chroma_stride,
		unsigned	mb_count,
		uint8_t *	buf,
		unsigned	data_size,
		unsigned *	y_data_size,
		unsigned *	u_data_size,
		unsigned *	v_data_size,
		int	qp
	)

static

Definition at line 317 of file proresenc_anatoliy.c.

Referenced by encode_slice().

static void subimage_with_fill	(	uint16_t *	src,
		unsigned	x,
		unsigned	y,
		unsigned	stride,
		unsigned	width,
		unsigned	height,
		uint16_t *	dst,
		unsigned	dst_width,
		unsigned	dst_height
	)

static

Definition at line 342 of file proresenc_anatoliy.c.

Referenced by encode_slice().

static int encode_slice	(	AVCodecContext *	avctx,
		const AVFrame *	pic,
		int	mb_x,
		int	mb_y,
		unsigned	mb_count,
		uint8_t *	buf,
		unsigned	data_size,
		int	unsafe,
		int *	qp
	)

static

Definition at line 372 of file proresenc_anatoliy.c.

Referenced by prores_encode_picture().

static int prores_encode_picture	(	AVCodecContext *	avctx,
		const AVFrame *	pic,
		uint8_t *	buf,
		const int	buf_size
	)

static

Definition at line 442 of file proresenc_anatoliy.c.

Referenced by prores_encode_frame().

static int prores_encode_frame	(	AVCodecContext *	avctx,
		AVPacket *	pkt,
		const AVFrame *	pict,
		int *	got_packet
	)

static

Definition at line 490 of file proresenc_anatoliy.c.

static void scale_mat	(	const uint8_t *	src,
		int *	dst,
		int	scale
	)

static

Definition at line 533 of file proresenc_anatoliy.c.

Referenced by prores_encode_init().

static av_cold int prores_encode_init ( AVCodecContext * avctx )

static

Definition at line 540 of file proresenc_anatoliy.c.

static av_cold int prores_encode_close ( AVCodecContext * avctx )

static

Definition at line 602 of file proresenc_anatoliy.c.

Variable Documentation

const AVProfile profiles[]

static

Initial value:

= {
    { FF_PROFILE_PRORES_PROXY,    "apco"},
    { FF_PROFILE_PRORES_LT,       "apcs"},
    { FF_PROFILE_PRORES_STANDARD, "apcn"},
    { FF_PROFILE_PRORES_HQ,       "apch"},
    { FF_PROFILE_UNKNOWN }
}

Definition at line 44 of file proresenc_anatoliy.c.

const int qp_start_table[4] = { 4, 1, 1, 1 }

static

Definition at line 52 of file proresenc_anatoliy.c.

Referenced by encode_slice(), and prores_encode_picture().

const int qp_end_table[4] = { 8, 9, 6, 6 }

static

Definition at line 53 of file proresenc_anatoliy.c.

Referenced by encode_slice().

const int bitrate_table[5] = { 1000, 2100, 3500, 5400 }

static

Definition at line 54 of file proresenc_anatoliy.c.

Referenced by encode_slice().

const uint8_t progressive_scan[64]

static

Initial value:

= {
     0,  1,  8,  9,  2,  3, 10, 11,
    16, 17, 24, 25, 18, 19, 26, 27,
     4,  5, 12, 20, 13,  6,  7, 14,
    21, 28, 29, 22, 15, 23, 30, 31,
    32, 33, 40, 48, 41, 34, 35, 42,
    49, 56, 57, 50, 43, 36, 37, 44,
    51, 58, 59, 52, 45, 38, 39, 46,
    53, 60, 61, 54, 47, 55, 62, 63
}

Definition at line 56 of file proresenc_anatoliy.c.

Referenced by encode_ac_coeffs().

const uint8_t QMAT_LUMA[4][64]

static

Definition at line 67 of file proresenc_anatoliy.c.

Referenced by prores_encode_frame(), and prores_encode_init().

const uint8_t QMAT_CHROMA[4][64]

static

Definition at line 107 of file proresenc_anatoliy.c.

Referenced by prores_encode_frame(), and prores_encode_init().

const uint8_t dc_codebook[7] = { 0x04, 0x28, 0x28, 0x4D, 0x4D, 0x70, 0x70}

static

Definition at line 202 of file proresenc_anatoliy.c.

Referenced by encode_dc_coeffs().

const uint8_t run_to_cb[16]

static

Initial value:

= { 0x06, 0x06, 0x05, 0x05, 0x04, 0x29,

0x29, 0x29, 0x29, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x4C }

Definition at line 230 of file proresenc_anatoliy.c.

Referenced by encode_ac_coeffs().

const uint8_t lev_to_cb[10]

static

Initial value:

= { 0x04, 0x0A, 0x05, 0x06, 0x04, 0x28,

0x28, 0x28, 0x28, 0x4C }

Definition at line 232 of file proresenc_anatoliy.c.

Referenced by encode_ac_coeffs().

AVCodec ff_prores_aw_encoder

Initial value:

= {
    .name           = "prores_aw",
    .long_name      = NULL_IF_CONFIG_SMALL("Apple ProRes"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_PRORES,
    .priv_data_size = sizeof(ProresContext),
    .init           = prores_encode_init,
    .close          = prores_encode_close,
    .encode2        = prores_encode_frame,
    .pix_fmts       = (const enum AVPixelFormat[]){AV_PIX_FMT_YUV422P10, AV_PIX_FMT_NONE},
    .capabilities   = CODEC_CAP_FRAME_THREADS | CODEC_CAP_INTRA_ONLY,
    .profiles       = profiles
}

Definition at line 611 of file proresenc_anatoliy.c.

AVCodec ff_prores_encoder

Initial value:

= {
    .name           = "prores",
    .long_name      = NULL_IF_CONFIG_SMALL("Apple ProRes"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_PRORES,
    .priv_data_size = sizeof(ProresContext),
    .init           = prores_encode_init,
    .close          = prores_encode_close,
    .encode2        = prores_encode_frame,
    .pix_fmts       = (const enum AVPixelFormat[]){AV_PIX_FMT_YUV422P10, AV_PIX_FMT_NONE},
    .capabilities   = CODEC_CAP_FRAME_THREADS | CODEC_CAP_INTRA_ONLY,
    .profiles       = profiles
}

Definition at line 625 of file proresenc_anatoliy.c.

Data Structures

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

Function Documentation

Variable Documentation