libavcodec/dnxhdenc.c File Reference

#include "libavutil/opt.h"
#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 VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
#define LAMBDA_FRAC_BITS   10
#define BUCKET_BITS   8
#define RADIX_PASSES   4
#define NBUCKETS   (1 << BUCKET_BITS)

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, int jobnr, int threadnr)
static int dnxhd_encode_thread (AVCodecContext *avctx, void *arg, int jobnr, int threadnr)
static void dnxhd_setup_threads_slices (DNXHDEncContext *ctx)
static int dnxhd_mb_var_thread (AVCodecContext *avctx, void *arg, int jobnr, int threadnr)
static int dnxhd_encode_rdo (AVCodecContext *avctx, DNXHDEncContext *ctx)
static int dnxhd_find_qscale (DNXHDEncContext *ctx)
static int get_bucket (int value, int shift)
static void radix_count (const RCCMPEntry *data, int size, int buckets[RADIX_PASSES][NBUCKETS])
static void radix_sort_pass (RCCMPEntry *dst, const RCCMPEntry *data, int size, int buckets[NBUCKETS], int pass)
static void radix_sort (RCCMPEntry *data, int size)
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, void *data)
static int dnxhd_encode_end (AVCodecContext *avctx)

Variables

static const AVOption options []
class {
      dnxhd
      av_default_item_name
      options
}; 
AVCodec ff_dnxhd_encoder

Define Documentation

#define BUCKET_BITS   8

Definition at line 661 of file dnxhdenc.c.

Referenced by radix_count(), and radix_sort_pass().

#define LAMBDA_FRAC_BITS   10

Definition at line 43 of file dnxhdenc.c.

Referenced by dnxhd_encode_rdo(), and dnxhd_init_rc().

#define NBUCKETS   (1 << BUCKET_BITS)

Definition at line 663 of file dnxhdenc.c.

Referenced by get_bucket(), and radix_sort().

#define RADIX_PASSES   4

Definition at line 662 of file dnxhdenc.c.

Referenced by radix_count(), and radix_sort().

#define RC_VARIANCE   1

Definition at line 25 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread(), and dnxhd_encode_fast().

#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Definition at line 33 of file dnxhdenc.c.

Function Documentation

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

Definition at line 3693 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 349 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread().

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

Definition at line 409 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 288 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 275 of file dnxhdenc.c.

Referenced by dnxhd_encode_block().

static int dnxhd_encode_end ( AVCodecContext *  avctx  )  [static]

Definition at line 835 of file dnxhdenc.c.

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

Definition at line 717 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static int dnxhd_encode_init ( AVCodecContext *  avctx  )  [static]

Definition at line 166 of file dnxhdenc.c.

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

Definition at line 774 of file dnxhdenc.c.

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

Definition at line 528 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

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

Definition at line 458 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static int dnxhd_find_qscale ( DNXHDEncContext *  ctx  )  [static]

Definition at line 603 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 366 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 45 of file dnxhdenc.c.

Referenced by dnxhd_encode_init().

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

Definition at line 117 of file dnxhdenc.c.

Referenced by dnxhd_encode_init().

static int dnxhd_init_rc ( DNXHDEncContext *  ctx  )  [static]

Definition at line 152 of file dnxhdenc.c.

Referenced by dnxhd_encode_init().

static int dnxhd_init_vlc ( DNXHDEncContext *  ctx  )  [static]

Definition at line 62 of file dnxhdenc.c.

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

Definition at line 754 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

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

Definition at line 512 of file dnxhdenc.c.

Referenced by dnxhd_encode_fast().

static void dnxhd_setup_threads_slices ( DNXHDEncContext *  ctx  )  [static]

Definition at line 493 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 340 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 396 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 311 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread().

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

Definition at line 244 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static int get_bucket ( int  value,
int  shift 
) [inline, static]

Definition at line 665 of file dnxhdenc.c.

Referenced by radix_count(), and radix_sort_pass().

static void radix_count ( const RCCMPEntry *  data,
int  size,
int  buckets[RADIX_PASSES][NBUCKETS] 
) [static]

Definition at line 672 of file dnxhdenc.c.

Referenced by radix_sort().

static void radix_sort ( RCCMPEntry *  data,
int  size 
) [static]

Definition at line 703 of file dnxhdenc.c.

Referenced by dnxhd_encode_fast().

static void radix_sort_pass ( RCCMPEntry *  dst,
const RCCMPEntry *  data,
int  size,
int  buckets[NBUCKETS],
int  pass 
) [static]

Definition at line 692 of file dnxhdenc.c.

Referenced by radix_sort().

Variable Documentation

const { ... } [static]

av_default_item_name

Definition at line 39 of file dnxhdenc.c.

dnxhd

Definition at line 39 of file dnxhdenc.c.

Referenced by av_register_all(), and avcodec_register_all().

AVCodec ff_dnxhd_encoder

Initial value:

 {
    "dnxhd",
    AVMEDIA_TYPE_VIDEO,
    CODEC_ID_DNXHD,
    sizeof(DNXHDEncContext),
    dnxhd_encode_init,
    dnxhd_encode_picture,
    dnxhd_encode_end,
    .capabilities = CODEC_CAP_SLICE_THREADS,
    .pix_fmts = (const enum PixelFormat[]){PIX_FMT_YUV422P, PIX_FMT_NONE},
    .long_name = NULL_IF_CONFIG_SMALL("VC3/DNxHD"),
    .priv_class = &class,
}

Definition at line 864 of file dnxhdenc.c.

options (  )  [static]

Initial value:

{
    {"nitris_compat", "encode with Avid Nitris compatibility", 0x42, FF_OPT_TYPE_INT, {.dbl = 0}, 0, 1, VE},
{NULL}
}

Definition at line 35 of file dnxhdenc.c.

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