libavcodec/dnxhdenc.c File Reference

#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "dnxhdenc.h"

Go to the source code of this file.

Defines
#define	RC_VARIANCE   1
#define	LAMBDA_FRAC_BITS   10
Functions
int	dct_quantize_c (MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow)
static av_always_inline void	dnxhd_get_pixels_8x4 (DCTELEM *restrict block, const uint8_t *pixels, int line_size)
static int	dnxhd_init_vlc (DNXHDEncContext *ctx)
static int	dnxhd_init_qmat (DNXHDEncContext *ctx, int lbias, int cbias)
static int	dnxhd_init_rc (DNXHDEncContext *ctx)
static int	dnxhd_encode_init (AVCodecContext *avctx)
static int	dnxhd_write_header (AVCodecContext *avctx, uint8_t *buf)
static av_always_inline void	dnxhd_encode_dc (DNXHDEncContext *ctx, int diff)
static av_always_inline void	dnxhd_encode_block (DNXHDEncContext *ctx, DCTELEM *block, int last_index, int n)
static av_always_inline void	dnxhd_unquantize_c (DNXHDEncContext *ctx, DCTELEM *block, int n, int qscale, int last_index)
static av_always_inline int	dnxhd_ssd_block (DCTELEM *qblock, DCTELEM *block)
static av_always_inline int	dnxhd_calc_ac_bits (DNXHDEncContext *ctx, DCTELEM *block, int last_index)
static av_always_inline void	dnxhd_get_blocks (DNXHDEncContext *ctx, int mb_x, int mb_y)
static av_always_inline int	dnxhd_switch_matrix (DNXHDEncContext *ctx, int i)
static int	dnxhd_calc_bits_thread (AVCodecContext *avctx, void *arg)
static int	dnxhd_encode_thread (AVCodecContext *avctx, void *arg)
static void	dnxhd_setup_threads_slices (DNXHDEncContext *ctx, uint8_t *buf)
static int	dnxhd_mb_var_thread (AVCodecContext *avctx, void *arg)
static int	dnxhd_encode_rdo (AVCodecContext *avctx, DNXHDEncContext *ctx)
static int	dnxhd_find_qscale (DNXHDEncContext *ctx)
static int	dnxhd_rc_cmp (const void *a, const void *b)
static int	dnxhd_encode_fast (AVCodecContext *avctx, DNXHDEncContext *ctx)
static void	dnxhd_load_picture (DNXHDEncContext *ctx, const AVFrame *frame)
static int	dnxhd_encode_picture (AVCodecContext *avctx, unsigned char *buf, int buf_size, const void *data)
static int	dnxhd_encode_end (AVCodecContext *avctx)
Variables
AVCodec	dnxhd_encoder

---

Define Documentation

#define LAMBDA_FRAC_BITS   10

Definition at line 34 of file dnxhdenc.c.

Referenced by dnxhd_encode_rdo(), and dnxhd_init_rc().

#define RC_VARIANCE   1

Definition at line 25 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread(), and dnxhd_encode_fast().

---

Function Documentation

int dct_quantize_c	(	MpegEncContext *	s,
		DCTELEM *	block,
		int	n,
		int	qscale,
		int *	overflow
	)

Definition at line 3638 of file mpegvideo_enc.c.

Referenced by dnxhd_encode_init(), encode_mb_internal(), and MPV_encode_init().

static av_always_inline int dnxhd_calc_ac_bits	(	DNXHDEncContext *	ctx,
		DCTELEM *	block,
		int	last_index
	)			[static]

Definition at line 338 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread().

static int dnxhd_calc_bits_thread	(	AVCodecContext *	avctx,
		void *	arg
	)			[static]

Definition at line 398 of file dnxhdenc.c.

Referenced by dnxhd_encode_rdo(), and dnxhd_find_qscale().

static av_always_inline void dnxhd_encode_block	(	DNXHDEncContext *	ctx,
		DCTELEM *	block,
		int	last_index,
		int	n
	)			[static]

Definition at line 277 of file dnxhdenc.c.

Referenced by dnxhd_encode_thread().

static av_always_inline void dnxhd_encode_dc	(	DNXHDEncContext *	ctx,
		int	diff
	)			[static]

Definition at line 264 of file dnxhdenc.c.

Referenced by dnxhd_encode_block().

static int dnxhd_encode_end

(

AVCodecContext *

avctx

)

[static]

Definition at line 771 of file dnxhdenc.c.

static int dnxhd_encode_fast	(	AVCodecContext *	avctx,
		DNXHDEncContext *	ctx
	)			[static]

Definition at line 657 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static int dnxhd_encode_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 157 of file dnxhdenc.c.

static int dnxhd_encode_picture	(	AVCodecContext *	avctx,
		unsigned char *	buf,
		int	buf_size,
		const void *	data
	)			[static]

Definition at line 714 of file dnxhdenc.c.

static int dnxhd_encode_rdo	(	AVCodecContext *	avctx,
		DNXHDEncContext *	ctx
	)			[static]

Definition at line 521 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static int dnxhd_encode_thread	(	AVCodecContext *	avctx,
		void *	arg
	)			[static]

Definition at line 448 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static int dnxhd_find_qscale

(

DNXHDEncContext *

ctx

)

[static]

Definition at line 594 of file dnxhdenc.c.

Referenced by dnxhd_encode_fast().

static av_always_inline void dnxhd_get_blocks	(	DNXHDEncContext *	ctx,
		int	mb_x,
		int	mb_y
	)			[static]

Definition at line 355 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread(), and dnxhd_encode_thread().

static av_always_inline void dnxhd_get_pixels_8x4	(	DCTELEM *restrict	block,
		const uint8_t *	pixels,
		int	line_size
	)			[static]

Definition at line 36 of file dnxhdenc.c.

Referenced by dnxhd_encode_init().

static int dnxhd_init_qmat	(	DNXHDEncContext *	ctx,
		int	lbias,
		int	cbias
	)			[static]

Definition at line 108 of file dnxhdenc.c.

Referenced by dnxhd_encode_init().

static int dnxhd_init_rc

(

DNXHDEncContext *

ctx

)

[static]

Definition at line 143 of file dnxhdenc.c.

Referenced by dnxhd_encode_init().

static int dnxhd_init_vlc

(

DNXHDEncContext *

ctx

)

[static]

Definition at line 53 of file dnxhdenc.c.

static void dnxhd_load_picture	(	DNXHDEncContext *	ctx,
		const AVFrame *	frame
	)			[static]

Definition at line 694 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static int dnxhd_mb_var_thread	(	AVCodecContext *	avctx,
		void *	arg
	)			[static]

Definition at line 504 of file dnxhdenc.c.

Referenced by dnxhd_encode_fast().

static int dnxhd_rc_cmp	(	const void *	a,
		const void *	b
	)			[static]

Definition at line 652 of file dnxhdenc.c.

Referenced by dnxhd_encode_fast().

static void dnxhd_setup_threads_slices	(	DNXHDEncContext *	ctx,
		uint8_t *	buf
	)			[static]

Definition at line 483 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static av_always_inline int dnxhd_ssd_block	(	DCTELEM *	qblock,
		DCTELEM *	block
	)			[static]

Definition at line 329 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread().

static av_always_inline int dnxhd_switch_matrix	(	DNXHDEncContext *	ctx,
		int	i
	)			[static]

Definition at line 385 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread(), and dnxhd_encode_thread().

static av_always_inline void dnxhd_unquantize_c	(	DNXHDEncContext *	ctx,
		DCTELEM *	block,
		int	n,
		int	qscale,
		int	last_index
	)			[static]

Definition at line 300 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread().

static int dnxhd_write_header	(	AVCodecContext *	avctx,
		uint8_t *	buf
	)			[static]

Definition at line 235 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

---

Variable Documentation

AVCodec dnxhd_encoder

Initial value:

 {
    "dnxhd",
    CODEC_TYPE_VIDEO,
    CODEC_ID_DNXHD,
    sizeof(DNXHDEncContext),
    dnxhd_encode_init,
    dnxhd_encode_picture,
    dnxhd_encode_end,
    .pix_fmts = (enum PixelFormat[]){PIX_FMT_YUV422P, PIX_FMT_NONE},
    .long_name = NULL_IF_CONFIG_SMALL("VC3/DNxHD"),
}

Definition at line 799 of file dnxhdenc.c.