Data Structures | Defines | Typedefs | Functions | Variables

libavcodec/ffv1.c File Reference

FF Video Codec 1 (a lossless codec). More...

#include "avcodec.h"
#include "get_bits.h"
#include "put_bits.h"
#include "dsputil.h"
#include "rangecoder.h"
#include "golomb.h"
#include "mathops.h"
#include "libavutil/avassert.h"

Go to the source code of this file.

Data Structures

struct  VlcState
struct  PlaneContext
struct  FFV1Context

Defines

#define MAX_PLANES   4
#define CONTEXT_SIZE   32
#define MAX_QUANT_TABLES   8
#define MAX_CONTEXT_INPUTS   5
#define MAX_SLICES   256
#define put_rac(C, S, B)
#define COST(old, new)
#define COST2(old, new)
#define STATS_OUT_SIZE   1024*1024*6

Typedefs

typedef struct VlcState VlcState
typedef struct PlaneContext PlaneContext
typedef struct FFV1Context FFV1Context

Functions

static av_always_inline int fold (int diff, int bits)
static int predict (int16_t *src, int16_t *last)
static int get_context (PlaneContext *p, int16_t *src, int16_t *last, int16_t *last2)
static void find_best_state (uint8_t best_state[256][256], const uint8_t one_state[256])
static av_always_inline
av_flatten void 		put_symbol_inline (RangeCoder *c, uint8_t *state, int v, int is_signed, uint64_t rc_stat[256][2], uint64_t rc_stat2[32][2])
static void av_noinline put_symbol (RangeCoder *c, uint8_t *state, int v, int is_signed)
static av_flatten int get_symbol_inline (RangeCoder *c, uint8_t *state, int is_signed)
static int av_noinline get_symbol (RangeCoder *c, uint8_t *state, int is_signed)
static void update_vlc_state (VlcState *const state, const int v)
static void put_vlc_symbol (PutBitContext *pb, VlcState *const state, int v, int bits)
static int get_vlc_symbol (GetBitContext *gb, VlcState *const state, int bits)
static av_always_inline int encode_line (FFV1Context *s, int w, int16_t *sample[2], int plane_index, int bits)
static void encode_plane (FFV1Context *s, uint8_t *src, int w, int h, int stride, int plane_index)
static void encode_rgb_frame (FFV1Context *s, uint32_t *src, int w, int h, int stride)
static void write_quant_table (RangeCoder *c, int16_t *quant_table)
static void write_quant_tables (RangeCoder *c, int16_t quant_table[MAX_CONTEXT_INPUTS][256])
static void write_header (FFV1Context *f)
static av_cold int common_init (AVCodecContext *avctx)
static int init_slice_state (FFV1Context *f)
static av_cold int init_slice_contexts (FFV1Context *f)
static int allocate_initial_states (FFV1Context *f)
static int write_extra_header (FFV1Context *f)
static int sort_stt (FFV1Context *s, uint8_t stt[256])
static av_cold int encode_init (AVCodecContext *avctx)
static void clear_state (FFV1Context *f)
static int encode_slice (AVCodecContext *c, void *arg)
static int encode_frame (AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data)
static av_cold int common_end (AVCodecContext *avctx)
static av_always_inline void decode_line (FFV1Context *s, int w, int16_t *sample[2], int plane_index, int bits)
static void decode_plane (FFV1Context *s, uint8_t *src, int w, int h, int stride, int plane_index)
static void decode_rgb_frame (FFV1Context *s, uint32_t *src, int w, int h, int stride)
static int decode_slice (AVCodecContext *c, void *arg)
static int read_quant_table (RangeCoder *c, int16_t *quant_table, int scale)
static int read_quant_tables (RangeCoder *c, int16_t quant_table[MAX_CONTEXT_INPUTS][256])
static int read_extra_header (FFV1Context *f)
static int read_header (FFV1Context *f)
static av_cold int decode_init (AVCodecContext *avctx)
static int decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)

Variables

const uint8_t ff_log2_run [41]
static const int8_t quant5_10bit [256]
static const int8_t quant5 [256]
static const int8_t quant9_10bit [256]
static const int8_t quant11 [256]
static const uint8_t ver2_state [256]
AVCodec ff_ffv1_decoder
AVCodec ff_ffv1_encoder

Detailed Description

FF Video Codec 1 (a lossless codec).

Definition in file ffv1.c.

Define Documentation

#define CONTEXT_SIZE   32

Definition at line 38 of file ffv1.c.

Referenced by clear_state(), init_slice_state(), and write_extra_header().

#define COST (   old,
  new 
)
Value:
s->rc_stat[old][0]*-log2((256-(new))/256.0)\
   +s->rc_stat[old][1]*-log2(     (new) /256.0)
#define COST2 (   old,
  new 
)
Value:
COST(old, new)\
   +COST(256-(old), 256-(new))

Referenced by sort_stt().

#define MAX_CONTEXT_INPUTS   5

Definition at line 41 of file ffv1.c.

#define MAX_PLANES   4

Definition at line 37 of file ffv1.c.

#define MAX_QUANT_TABLES   8

Definition at line 40 of file ffv1.c.

Referenced by read_extra_header().

#define MAX_SLICES   256

Definition at line 156 of file ffv1.c.

Referenced by read_header().

#define put_rac (   C,
  S,
  B 
)
Value:
do{\
    if(rc_stat){\
    rc_stat[*(S)][B]++;\
        rc_stat2[(S)-state][B]++;\
    }\
    put_rac(C,S,B);\
}while(0)

Referenced by encode_frame(), encode_header(), encode_q_branch(), encode_q_branch2(), encode_subband_c0run(), put_symbol(), put_symbol2(), put_symbol_inline(), write_extra_header(), and write_header().

#define STATS_OUT_SIZE   1024*1024*6

Referenced by encode_init().

Typedef Documentation

typedef struct FFV1Context FFV1Context
typedef struct PlaneContext PlaneContext
typedef struct VlcState VlcState

Function Documentation

static int allocate_initial_states ( FFV1Context *  f  )  [static]

Definition at line 736 of file ffv1.c.

Referenced by encode_init(), and read_extra_header().

static void clear_state ( FFV1Context *  f  )  [static]

Definition at line 1027 of file ffv1.c.

Referenced by decode_frame(), and encode_frame().

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

Definition at line 1207 of file ffv1.c.

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

Definition at line 656 of file ffv1.c.

Referenced by decode_init(), and encode_init().

static int decode_frame ( AVCodecContext *  avctx,
void *  data,
int *  data_size,
AVPacket *  avpkt 
) [static]

Definition at line 1643 of file ffv1.c.

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

Definition at line 1628 of file ffv1.c.

static av_always_inline void decode_line ( FFV1Context *  s,
int  w,
int16_t *  sample[2],
int  plane_index,
int  bits 
) [static]

Definition at line 1242 of file ffv1.c.

Referenced by decode_plane(), and decode_rgb_frame().

static void decode_plane ( FFV1Context *  s,
uint8_t *  src,
int  w,
int  h,
int  stride,
int  plane_index 
) [static]

Definition at line 1303 of file ffv1.c.

Referenced by decode_slice().

static void decode_rgb_frame ( FFV1Context *  s,
uint32_t *  src,
int  w,
int  h,
int  stride 
) [static]

Definition at line 1338 of file ffv1.c.

Referenced by decode_slice().

static int decode_slice ( AVCodecContext *  c,
void *  arg 
) [static]

Definition at line 1380 of file ffv1.c.

Referenced by decode_frame().

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

Definition at line 1083 of file ffv1.c.

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

Definition at line 847 of file ffv1.c.

static av_always_inline int encode_line ( FFV1Context *  s,
int  w,
int16_t *  sample[2],
int  plane_index,
int  bits 
) [static]

Definition at line 440 of file ffv1.c.

Referenced by encode_plane(), and encode_rgb_frame().

static void encode_plane ( FFV1Context *  s,
uint8_t *  src,
int  w,
int  h,
int  stride,
int  plane_index 
) [static]

Definition at line 525 of file ffv1.c.

Referenced by encode_slice().

static void encode_rgb_frame ( FFV1Context *  s,
uint32_t *  src,
int  w,
int  h,
int  stride 
) [static]

Definition at line 555 of file ffv1.c.

Referenced by encode_slice().

static int encode_slice ( AVCodecContext *  c,
void *  arg 
) [static]

Definition at line 1056 of file ffv1.c.

Referenced by encode_frame().

static void find_best_state ( uint8_t  best_state[256][256],
const uint8_t  one_state[256] 
) [static]

Definition at line 236 of file ffv1.c.

Referenced by encode_init().

static av_always_inline int fold ( int  diff,
int  bits 
) [static]

Definition at line 198 of file ffv1.c.

Referenced by encode_line(), get_vlc_symbol(), and put_vlc_symbol().

static int get_context ( PlaneContext *  p,
int16_t *  src,
int16_t *  last,
int16_t *  last2 
) [inline, static]

Definition at line 219 of file ffv1.c.

Referenced by decode_line(), and encode_line().

static int av_noinline get_symbol ( RangeCoder *  c,
uint8_t *  state,
int  is_signed 
) [static]

Definition at line 349 of file ffv1.c.

Referenced by decode_header(), decode_q_branch(), decode_qlogs(), read_extra_header(), read_header(), and read_quant_table().

static av_flatten int get_symbol_inline ( RangeCoder *  c,
uint8_t *  state,
int  is_signed 
) [inline, static]

Definition at line 329 of file ffv1.c.

Referenced by decode_line(), and get_symbol().

static int get_vlc_symbol ( GetBitContext *  gb,
VlcState *const   state,
int  bits 
) [inline, static]

Definition at line 411 of file ffv1.c.

Referenced by decode_line().

static av_cold int init_slice_contexts ( FFV1Context *  f  )  [static]

Definition at line 707 of file ffv1.c.

Referenced by decode_init(), and encode_init().

static int init_slice_state ( FFV1Context *  f  )  [static]

Definition at line 676 of file ffv1.c.

Referenced by decode_frame(), and encode_init().

static int predict ( int16_t *  src,
int16_t *  last 
) [inline, static]

Definition at line 210 of file ffv1.c.

Referenced by decode_line(), and encode_line().

static void av_noinline put_symbol ( RangeCoder *  c,
uint8_t *  state,
int  v,
int  is_signed 
) [static]

Definition at line 325 of file ffv1.c.

Referenced by encode_header(), encode_q_branch(), encode_q_branch2(), encode_qlogs(), write_extra_header(), write_header(), and write_quant_table().

static av_always_inline av_flatten void put_symbol_inline ( RangeCoder *  c,
uint8_t *  state,
int  v,
int  is_signed,
uint64_t  rc_stat[256][2],
uint64_t  rc_stat2[32][2] 
) [static]

Definition at line 278 of file ffv1.c.

Referenced by encode_line(), and put_symbol().

static void put_vlc_symbol ( PutBitContext *  pb,
VlcState *const   state,
int  v,
int  bits 
) [inline, static]

Definition at line 384 of file ffv1.c.

Referenced by encode_line().

static int read_extra_header ( FFV1Context *  f  )  [static]

Definition at line 1449 of file ffv1.c.

Referenced by decode_init().

static int read_header ( FFV1Context *  f  )  [static]

Definition at line 1509 of file ffv1.c.

Referenced by decode_frame(), and mjpegb_decode_frame().

static int read_quant_table ( RangeCoder *  c,
int16_t *  quant_table,
int  scale 
) [static]

Definition at line 1408 of file ffv1.c.

Referenced by read_quant_tables().

static int read_quant_tables ( RangeCoder *  c,
int16_t  quant_table[MAX_CONTEXT_INPUTS][256] 
) [static]

Definition at line 1436 of file ffv1.c.

Referenced by read_extra_header(), and read_header().

static int sort_stt ( FFV1Context *  s,
uint8_t  stt[256] 
) [static]

Definition at line 804 of file ffv1.c.

Referenced by encode_init().

static void update_vlc_state ( VlcState *const   state,
const int  v 
) [inline, static]

Definition at line 353 of file ffv1.c.

Referenced by get_vlc_symbol(), and put_vlc_symbol().

static int write_extra_header ( FFV1Context *  f  )  [static]

Definition at line 749 of file ffv1.c.

Referenced by encode_init().

static void write_header ( FFV1Context *  f  )  [static]

Definition at line 615 of file ffv1.c.

Referenced by encode_frame().

static void write_quant_table ( RangeCoder *  c,
int16_t *  quant_table 
) [static]

Definition at line 594 of file ffv1.c.

Referenced by write_quant_tables().

static void write_quant_tables ( RangeCoder *  c,
int16_t  quant_table[MAX_CONTEXT_INPUTS][256] 
) [static]

Definition at line 609 of file ffv1.c.

Referenced by write_extra_header(), and write_header().

Variable Documentation

AVCodec ff_ffv1_decoder
Initial value:
 {
    .name           = "ffv1",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = CODEC_ID_FFV1,
    .priv_data_size = sizeof(FFV1Context),
    .init           = decode_init,
    .close          = common_end,
    .decode         = decode_frame,
    .capabilities   = CODEC_CAP_DR1  | CODEC_CAP_SLICE_THREADS,
    .long_name= NULL_IF_CONFIG_SMALL("FFmpeg video codec #1"),
}

Definition at line 1726 of file ffv1.c.

AVCodec ff_ffv1_encoder
Initial value:
 {
    .name           = "ffv1",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = CODEC_ID_FFV1,
    .priv_data_size = sizeof(FFV1Context),
    .init           = encode_init,
    .encode         = encode_frame,
    .close          = common_end,
    .capabilities = CODEC_CAP_SLICE_THREADS,
    .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV444P, PIX_FMT_YUV422P, PIX_FMT_YUV411P, PIX_FMT_YUV410P, PIX_FMT_RGB32, PIX_FMT_YUV420P16, PIX_FMT_YUV422P16, PIX_FMT_YUV444P16, PIX_FMT_NONE},
    .long_name= NULL_IF_CONFIG_SMALL("FFmpeg video codec #1"),
}

Definition at line 1739 of file ffv1.c.

const uint8_t ff_log2_run[41]

Definition at line 35 of file bitstream.c.

const int8_t quant11[256] [static]
Initial value:
{
 0, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4,
 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-4,-4,
-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
-4,-4,-4,-4,-4,-3,-3,-3,-3,-3,-3,-3,-2,-2,-2,-1,
}

Definition at line 102 of file ffv1.c.

Referenced by encode_init().

const int8_t quant5[256] [static]
Initial value:
{
 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-1,-1,-1,
}

Definition at line 64 of file ffv1.c.

Referenced by encode_init().

const int8_t quant5_10bit[256] [static]
Initial value:
{
 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,
}

Definition at line 45 of file ffv1.c.

Referenced by encode_init().

const int8_t quant9_10bit[256] [static]
Initial value:
{
 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2,
 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3,
 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
-4,-4,-4,-4,-4,-4,-4,-4,-4,-3,-3,-3,-3,-3,-3,-3,
-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,
-3,-3,-3,-3,-3,-3,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-1,-1,-1,-1,-1,-1,-1,-1,-0,-0,-0,-0,
}

Definition at line 83 of file ffv1.c.

Referenced by encode_init().

const uint8_t ver2_state[256] [static]
Initial value:
 {
   0,  10,  10,  10,  10,  16,  16,  16,  28,  16,  16,  29,  42,  49,  20,  49,
  59,  25,  26,  26,  27,  31,  33,  33,  33,  34,  34,  37,  67,  38,  39,  39,
  40,  40,  41,  79,  43,  44,  45,  45,  48,  48,  64,  50,  51,  52,  88,  52,
  53,  74,  55,  57,  58,  58,  74,  60, 101,  61,  62,  84,  66,  66,  68,  69,
  87,  82,  71,  97,  73,  73,  82,  75, 111,  77,  94,  78,  87,  81,  83,  97,
  85,  83,  94,  86,  99,  89,  90,  99, 111,  92,  93, 134,  95,  98, 105,  98,
 105, 110, 102, 108, 102, 118, 103, 106, 106, 113, 109, 112, 114, 112, 116, 125,
 115, 116, 117, 117, 126, 119, 125, 121, 121, 123, 145, 124, 126, 131, 127, 129,
 165, 130, 132, 138, 133, 135, 145, 136, 137, 139, 146, 141, 143, 142, 144, 148,
 147, 155, 151, 149, 151, 150, 152, 157, 153, 154, 156, 168, 158, 162, 161, 160,
 172, 163, 169, 164, 166, 184, 167, 170, 177, 174, 171, 173, 182, 176, 180, 178,
 175, 189, 179, 181, 186, 183, 192, 185, 200, 187, 191, 188, 190, 197, 193, 196,
 197, 194, 195, 196, 198, 202, 199, 201, 210, 203, 207, 204, 205, 206, 208, 214,
 209, 211, 221, 212, 213, 215, 224, 216, 217, 218, 219, 220, 222, 228, 223, 225,
 226, 224, 227, 229, 240, 230, 231, 232, 233, 234, 235, 236, 238, 239, 237, 242,
 241, 243, 242, 244, 245, 246, 247, 248, 249, 250, 251, 252, 252, 253, 254, 255,
}

Definition at line 121 of file ffv1.c.

Referenced by encode_init().