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huffyuvenc.c File Reference

huffyuv encoder More...

#include "avcodec.h"
#include "huffyuv.h"
#include "huffman.h"
#include "huffyuvencdsp.h"
#include "internal.h"
#include "put_bits.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"

Go to the source code of this file.

Macros

#define STATS_OUT_SIZE   21*MAX_N*3 + 4
 
#define LOAD4
 
#define LOADEND   int y0 = s->temp[0][width-1];
 
#define LOADEND_14   int y0 = s->temp16[0][width-1] & mask;
 
#define LOADEND_16   int y0 = s->temp16[0][width-1];
 
#define STATEND   s->stats[plane][y0]++;
 
#define STATEND_16   s->stats[plane][y0>>2]++;
 
#define WRITEEND   put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);
 
#define WRITEEND_16
 
#define LOAD2
 
#define LOAD2_14
 
#define LOAD2_16
 
#define STAT2
 
#define STAT2_16
 
#define WRITE2
 
#define WRITE2_16
 
#define LOAD2
 
#define STAT2
 
#define WRITE2
 
#define LOAD_GBRA
 
#define STAT_BGRA
 
#define WRITE_GBRA
 

Functions

static void diff_bytes (HYuvContext *s, uint8_t *dst, const uint8_t *src0, const uint8_t *src1, int w)
 
static int sub_left_prediction (HYuvContext *s, uint8_t *dst, const uint8_t *src, int w, int left)
 
static void sub_left_prediction_bgr32 (HYuvContext *s, uint8_t *dst, const uint8_t *src, int w, int *red, int *green, int *blue, int *alpha)
 
static void sub_left_prediction_rgb24 (HYuvContext *s, uint8_t *dst, uint8_t *src, int w, int *red, int *green, int *blue)
 
static void sub_median_prediction (HYuvContext *s, uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int w, int *left, int *left_top)
 
static int store_table (HYuvContext *s, const uint8_t *len, uint8_t *buf)
 
static int store_huffman_tables (HYuvContext *s, uint8_t *buf)
 
static av_cold int encode_init (AVCodecContext *avctx)
 
static int encode_422_bitstream (HYuvContext *s, int offset, int count)
 
static int encode_plane_bitstream (HYuvContext *s, int width, int plane)
 
static int encode_gray_bitstream (HYuvContext *s, int count)
 
static int encode_bgra_bitstream (HYuvContext *s, int count, int planes)
 
static int encode_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pict, int *got_packet)
 
static av_cold int encode_end (AVCodecContext *avctx)
 

Variables

static const AVOption options []
 
static const AVClass normal_class
 
static const AVClass ff_class
 
AVCodec ff_huffyuv_encoder
 

Detailed Description

huffyuv encoder

Definition in file huffyuvenc.c.

Macro Definition Documentation

#define STATS_OUT_SIZE   21*MAX_N*3 + 4

Referenced by encode_frame(), and encode_init().

#define LOAD4
Value:
int y0 = y[2 * i];\
int y1 = y[2 * i + 1];\
int u0 = u[i];\
int v0 = v[i];
v
float v
Definition: avf_showspectrum.c:96
v0
GLfloat v0
Definition: opengl_enc.c:107
y
float y
Definition: avf_showspectrum.c:96
u
float u
Definition: avf_showspectrum.c:96

Referenced by encode_422_bitstream().

#define LOADEND   int y0 = s->temp[0][width-1];

Referenced by encode_plane_bitstream().

#define LOADEND_14   int y0 = s->temp16[0][width-1] & mask;

Referenced by encode_plane_bitstream().

#define LOADEND_16   int y0 = s->temp16[0][width-1];

Referenced by encode_plane_bitstream().

#define STATEND   s->stats[plane][y0]++;

Referenced by encode_plane_bitstream().

#define STATEND_16   s->stats[plane][y0>>2]++;

Referenced by encode_plane_bitstream().

#define WRITEEND   put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);

Referenced by encode_plane_bitstream().

#define WRITEEND_16
Value:
put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
put_bits(&s->pb, 2, y0&3);
plane
int plane
Definition: avisynth_c.h:291
s
const char * s
Definition: avisynth_c.h:631
put_bits
static void put_bits(Jpeg2000EncoderContext *s, int val, int n)
put n times val bit
Definition: j2kenc.c:160

Referenced by encode_plane_bitstream().

#define LOAD2
Value:
int y0 = s->temp[0][2 * i];\
int y1 = s->temp[0][2 * i + 1];
s
const char * s
Definition: avisynth_c.h:631

Referenced by encode_gray_bitstream(), and encode_plane_bitstream().

#define LOAD2_14
Value:
int y0 = s->temp16[0][2 * i] & mask;\
int y1 = s->temp16[0][2 * i + 1] & mask;
s
const char * s
Definition: avisynth_c.h:631
mask
static const uint16_t mask[17]
Definition: lzw.c:38

Referenced by encode_plane_bitstream().

#define LOAD2_16
Value:
int y0 = s->temp16[0][2 * i];\
int y1 = s->temp16[0][2 * i + 1];
s
const char * s
Definition: avisynth_c.h:631

Referenced by encode_plane_bitstream().

#define STAT2
Value:
s->stats[plane][y0]++;\
s->stats[plane][y1]++;
plane
int plane
Definition: avisynth_c.h:291
s
const char * s
Definition: avisynth_c.h:631

Referenced by encode_gray_bitstream(), and encode_plane_bitstream().

#define STAT2_16
Value:
s->stats[plane][y0>>2]++;\
s->stats[plane][y1>>2]++;
plane
int plane
Definition: avisynth_c.h:291
s
const char * s
Definition: avisynth_c.h:631

Referenced by encode_plane_bitstream().

#define WRITE2
Value:
put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);\
put_bits(&s->pb, s->len[plane][y1], s->bits[plane][y1]);
plane
int plane
Definition: avisynth_c.h:291
s
const char * s
Definition: avisynth_c.h:631
put_bits
static void put_bits(Jpeg2000EncoderContext *s, int val, int n)
put n times val bit
Definition: j2kenc.c:160

Referenced by encode_gray_bitstream(), and encode_plane_bitstream().

#define WRITE2_16
Value:
put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
put_bits(&s->pb, 2, y0&3);\
put_bits(&s->pb, s->len[plane][y1>>2], s->bits[plane][y1>>2]);\
put_bits(&s->pb, 2, y1&3);
plane
int plane
Definition: avisynth_c.h:291
s
const char * s
Definition: avisynth_c.h:631
put_bits
static void put_bits(Jpeg2000EncoderContext *s, int val, int n)
put n times val bit
Definition: j2kenc.c:160

Referenced by encode_plane_bitstream().

#define LOAD2
Value:
int y0 = s->temp[0][2 * i];\
int y1 = s->temp[0][2 * i + 1];
s
const char * s
Definition: avisynth_c.h:631
#define STAT2
Value:
s->stats[0][y0]++;\
s->stats[0][y1]++;
s
const char * s
Definition: avisynth_c.h:631
#define WRITE2
Value:
put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);\
put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
s
const char * s
Definition: avisynth_c.h:631
put_bits
static void put_bits(Jpeg2000EncoderContext *s, int val, int n)
put n times val bit
Definition: j2kenc.c:160
#define LOAD_GBRA
Value:
int g = s->temp[0][planes == 3 ? 3 * i + 1 : 4 * i + G]; \
int b =(s->temp[0][planes == 3 ? 3 * i + 2 : 4 * i + B] - g) & 0xFF;\
int r =(s->temp[0][planes == 3 ? 3 * i + 0 : 4 * i + R] - g) & 0xFF;\
int a = s->temp[0][planes * i + A];
s
const char * s
Definition: avisynth_c.h:631
g
const char * g
Definition: vf_curves.c:108
b
const char * b
Definition: vf_curves.c:109
R
Definition: vf_geq.c:45
A
#define A(x)
Definition: vp56_arith.h:28
r
const char * r
Definition: vf_curves.c:107
G
Definition: vf_geq.c:45
B
Definition: vf_geq.c:45
a
a
Definition: h264pred_template.c:468

Referenced by encode_bgra_bitstream().

#define STAT_BGRA
Value:
s->stats[0][b]++; \
s->stats[1][g]++; \
s->stats[2][r]++; \
if (planes == 4) \
s->stats[2][a]++;
s
const char * s
Definition: avisynth_c.h:631
g
const char * g
Definition: vf_curves.c:108
b
const char * b
Definition: vf_curves.c:109
if
if()
Definition: avfilter.c:975
r
const char * r
Definition: vf_curves.c:107
a
a
Definition: h264pred_template.c:468

Referenced by encode_bgra_bitstream().

#define WRITE_GBRA
Value:
put_bits(&s->pb, s->len[1][g], s->bits[1][g]); \
put_bits(&s->pb, s->len[0][b], s->bits[0][b]); \
put_bits(&s->pb, s->len[2][r], s->bits[2][r]); \
if (planes == 4) \
put_bits(&s->pb, s->len[2][a], s->bits[2][a]);
s
const char * s
Definition: avisynth_c.h:631
put_bits
static void put_bits(Jpeg2000EncoderContext *s, int val, int n)
put n times val bit
Definition: j2kenc.c:160
g
const char * g
Definition: vf_curves.c:108
b
const char * b
Definition: vf_curves.c:109
if
if()
Definition: avfilter.c:975
r
const char * r
Definition: vf_curves.c:107
a
a
Definition: h264pred_template.c:468

Referenced by encode_bgra_bitstream().

Function Documentation

static void diff_bytes ( HYuvContext *  s,
uint8_t *  dst,
const uint8_t *  src0,
const uint8_t *  src1,
int  w 
)
inlinestatic

Definition at line 40 of file huffyuvenc.c.

Referenced by encode_frame().

static int sub_left_prediction ( HYuvContext *  s,
uint8_t *  dst,
const uint8_t *  src,
int  w,
int  left 
)
inlinestatic

Definition at line 50 of file huffyuvenc.c.

Referenced by encode_frame().

static void sub_left_prediction_bgr32 ( HYuvContext *  s,
uint8_t *  dst,
const uint8_t *  src,
int  w,
int *  red,
int *  green,
int *  blue,
int *  alpha 
)
inlinestatic

Definition at line 93 of file huffyuvenc.c.

Referenced by encode_frame().

static void sub_left_prediction_rgb24 ( HYuvContext *  s,
uint8_t *  dst,
uint8_t *  src,
int  w,
int *  red,
int *  green,
int *  blue 
)
inlinestatic

Definition at line 128 of file huffyuvenc.c.

Referenced by encode_frame().

static void sub_median_prediction ( HYuvContext *  s,
uint8_t *  dst,
const uint8_t *  src1,
const uint8_t *  src2,
int  w,
int *  left,
int *  left_top 
)
static

Definition at line 156 of file huffyuvenc.c.

Referenced by encode_frame().

static int store_table ( HYuvContext *  s,
const uint8_t *  len,
uint8_t *  buf 
)
static

Definition at line 165 of file huffyuvenc.c.

Referenced by store_huffman_tables().

static int store_huffman_tables ( HYuvContext *  s,
uint8_t *  buf 
)
static

Definition at line 190 of file huffyuvenc.c.

Referenced by encode_frame(), and encode_init().

static av_cold int encode_init ( AVCodecContext *  avctx)
static

Definition at line 212 of file huffyuvenc.c.

static int encode_422_bitstream ( HYuvContext *  s,
int  offset,
int  count 
)
static

Definition at line 434 of file huffyuvenc.c.

Referenced by encode_frame().

static int encode_plane_bitstream ( HYuvContext *  s,
int  width,
int  plane 
)
static

Definition at line 489 of file huffyuvenc.c.

Referenced by encode_frame().

static int encode_gray_bitstream ( HYuvContext *  s,
int  count 
)
static

Definition at line 651 of file huffyuvenc.c.

Referenced by encode_frame().

static int encode_bgra_bitstream ( HYuvContext *  s,
int  count,
int  planes 
)
inlinestatic

Definition at line 696 of file huffyuvenc.c.

Referenced by encode_frame().

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

Definition at line 747 of file huffyuvenc.c.

static av_cold int encode_end ( AVCodecContext *  avctx)
static

Definition at line 1031 of file huffyuvenc.c.

Variable Documentation

const AVOption options[]
static
Initial value:
= {
{ "non_deterministic", "Allow multithreading for e.g. context=1 at the expense of determinism",
0x42, AV_OPT_TYPE_INT, { .i64 = 1 },
0, 1, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM },
{ NULL },
}
NULL
#define NULL
Definition: coverity.c:32
AV_OPT_TYPE_INT
Definition: opt.h:223
AV_OPT_FLAG_ENCODING_PARAM
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
Definition: opt.h:285
AV_OPT_FLAG_VIDEO_PARAM
#define AV_OPT_FLAG_VIDEO_PARAM
Definition: opt.h:291

Definition at line 1045 of file huffyuvenc.c.

const AVClass normal_class
static
Initial value:
= {
.class_name = "huffyuv",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
}
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:62
av_default_item_name
av_default_item_name
Definition: libopenh264enc.c:59
options
static const AVOption options[]
Definition: huffyuvenc.c:1045

Definition at line 1052 of file huffyuvenc.c.

const AVClass ff_class
static
Initial value:
= {
.class_name = "ffvhuff",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
}
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:62
av_default_item_name
av_default_item_name
Definition: libopenh264enc.c:59
options
static const AVOption options[]
Definition: huffyuvenc.c:1045

Definition at line 1059 of file huffyuvenc.c.

AVCodec ff_huffyuv_encoder
Initial value:
= {
.name = "huffyuv",
.long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_HUFFYUV,
.priv_data_size = sizeof(HYuvContext),
.init = encode_init,
.encode2 = encode_frame,
.close = encode_end,
.capabilities = CODEC_CAP_FRAME_THREADS | CODEC_CAP_INTRA_ONLY,
.priv_class = &normal_class,
.pix_fmts = (const enum AVPixelFormat[]){
AV_PIX_FMT_YUV422P, AV_PIX_FMT_RGB24,
AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
},
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
FF_CODEC_CAP_INIT_CLEANUP,
}
FF_CODEC_CAP_INIT_CLEANUP
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
Definition: internal.h:48
encode_init
static av_cold int encode_init(AVCodecContext *avctx)
Definition: huffyuvenc.c:212
AV_PIX_FMT_RGB24
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:65
init
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
FF_CODEC_CAP_INIT_THREADSAFE
#define FF_CODEC_CAP_INIT_THREADSAFE
The codec does not modify any global variables in the init function, allowing to call the init functi...
Definition: internal.h:40
CODEC_CAP_INTRA_ONLY
#define CODEC_CAP_INTRA_ONLY
Codec is intra only.
Definition: avcodec.h:886
AV_CODEC_ID_HUFFYUV
Definition: avcodec.h:133
encode_frame
static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pict, int *got_packet)
Definition: huffyuvenc.c:747
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:175
normal_class
static const AVClass normal_class
Definition: huffyuvenc.c:1052
AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:67
encode_end
static av_cold int encode_end(AVCodecContext *avctx)
Definition: huffyuvenc.c:1031
AV_PIX_FMT_RGB32
#define AV_PIX_FMT_RGB32
Definition: pixfmt.h:341
CODEC_CAP_FRAME_THREADS
#define CODEC_CAP_FRAME_THREADS
Codec supports frame-level multithreading.
Definition: avcodec.h:866
AVMEDIA_TYPE_VIDEO
Definition: avutil.h:194
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:61

Definition at line 1066 of file huffyuvenc.c.

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