FFmpeg
libavcodec
cfhd.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2015 Kieran Kunhya
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_CFHD_H
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#define AVCODEC_CFHD_H
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#include <stdint.h>
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#include "
avcodec.h
"
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#include "
bytestream.h
"
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#include "
get_bits.h
"
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#include "
cfhddsp.h
"
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enum
CFHDParam
{
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SampleType
= 1,
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SampleIndexTable
= 2,
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BitstreamMarker
= 4,
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VersionMajor
= 5,
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VersionMinor
= 6,
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VersionRevision
= 7,
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VersionEdit
= 8,
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TransformType
= 10,
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NumFrames
= 11,
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ChannelCount
= 12,
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WaveletCount
= 13,
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SubbandCount
= 14,
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NumSpatial
= 15,
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FirstWavelet
= 16,
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GroupTrailer
= 18,
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FrameType
= 19,
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ImageWidth
= 20,
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ImageHeight
= 21,
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FrameIndex
= 23,
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LowpassSubband
= 25,
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NumLevels
= 26,
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LowpassWidth
= 27,
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LowpassHeight
= 28,
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PixelOffset
= 33,
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LowpassQuantization
=34,
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LowpassPrecision
= 35,
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WaveletType
= 37,
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WaveletNumber
= 38,
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WaveletLevel
= 39,
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NumBands
= 40,
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HighpassWidth
= 41,
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HighpassHeight
= 42,
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LowpassBorder
= 43,
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HighpassBorder
= 44,
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LowpassScale
= 45,
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LowpassDivisor
= 46,
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SubbandNumber
= 48,
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BandWidth
= 49,
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BandHeight
= 50,
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SubbandBand
= 51,
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BandEncoding
= 52,
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Quantization
= 53,
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BandScale
= 54,
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BandHeader
= 55,
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BandTrailer
= 56,
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ChannelNumber
= 62,
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SampleFlags
= 68,
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FrameNumber
= 69,
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Precision
= 70,
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InputFormat
= 71,
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BandCodingFlags
= 72,
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PeakLevel
= 74,
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PeakOffsetLow
= 75,
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PeakOffsetHigh
= 76,
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Version
= 79,
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BandSecondPass
= 82,
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PrescaleTable
= 83,
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EncodedFormat
= 84,
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DisplayHeight
= 85,
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ChannelWidth
= 104,
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ChannelHeight
= 105,
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};
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#define VLC_BITS 9
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#define SUBBAND_COUNT 10
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#define SUBBAND_COUNT_3D 17
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typedef
struct
CFHD_RL_VLC_ELEM
{
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int16_t
level
;
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int8_t
len
;
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uint16_t
run
;
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}
CFHD_RL_VLC_ELEM
;
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#define DWT_LEVELS 3
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#define DWT_LEVELS_3D 6
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typedef
struct
SubBand
{
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ptrdiff_t
stride
;
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int
a_width
;
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int
width
;
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int
a_height
;
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int
height
;
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int8_t
read_ok
;
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}
SubBand
;
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typedef
struct
Plane
{
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int
width
;
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int
height
;
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ptrdiff_t
stride
;
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int16_t *
idwt_buf
;
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int16_t *
idwt_tmp
;
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int
idwt_size
;
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/* TODO: merge this into SubBand structure */
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int16_t *
subband
[
SUBBAND_COUNT_3D
];
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int16_t *
l_h
[10];
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SubBand
band
[
DWT_LEVELS_3D
][4];
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}
Plane
;
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typedef
struct
Peak
{
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int
level
;
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int
offset
;
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GetByteContext
base
;
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}
Peak
;
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typedef
struct
CFHDContext
{
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AVCodecContext
*
avctx
;
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CFHD_RL_VLC_ELEM
table_9_rl_vlc
[2088];
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CFHD_RL_VLC_ELEM
table_18_rl_vlc
[4572];
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int
lut
[2][256];
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GetBitContext
gb
;
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int
planes
;
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int
frame_type
;
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int
frame_index
;
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int
sample_type
;
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int
transform_type
;
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int
coded_width
;
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int
coded_height
;
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int
cropped_height
;
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enum
AVPixelFormat
coded_format
;
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int
progressive
;
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int
a_width
;
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int
a_height
;
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int
a_format
;
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int
a_transform_type
;
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int
bpc
;
// bits per channel/component
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int
channel_cnt
;
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int
subband_cnt
;
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int
band_encoding
;
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int
channel_num
;
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uint8_t
lowpass_precision
;
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uint16_t
quantisation
;
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int
codebook
;
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int
difference_coding
;
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int
subband_num
;
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int
level
;
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int
subband_num_actual
;
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uint8_t
prescale_table
[8];
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Plane
plane
[4];
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Peak
peak
;
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CFHDDSPContext
dsp
;
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}
CFHDContext
;
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int
ff_cfhd_init_vlcs
(
CFHDContext
*
s
);
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#endif
/* AVCODEC_CFHD_H */
ChannelNumber
@ ChannelNumber
Definition:
cfhd.h:77
ChannelCount
@ ChannelCount
Definition:
cfhd.h:41
BandSecondPass
@ BandSecondPass
Definition:
cfhd.h:87
LowpassSubband
@ LowpassSubband
Definition:
cfhd.h:51
AVPixelFormat
AVPixelFormat
Pixel format.
Definition:
pixfmt.h:71
CFHDContext::channel_cnt
int channel_cnt
Definition:
cfhd.h:166
Precision
@ Precision
Definition:
cfhd.h:80
Peak::level
int level
Definition:
cfhd.h:134
GroupTrailer
@ GroupTrailer
Definition:
cfhd.h:46
CFHDContext::dsp
CFHDDSPContext dsp
Definition:
cfhd.h:183
BandHeader
@ BandHeader
Definition:
cfhd.h:75
PrescaleTable
@ PrescaleTable
Definition:
cfhd.h:88
GetByteContext
Definition:
bytestream.h:33
CFHDContext::progressive
int progressive
Definition:
cfhd.h:158
BandHeight
@ BandHeight
Definition:
cfhd.h:70
CFHDContext::lowpass_precision
uint8_t lowpass_precision
Definition:
cfhd.h:170
CFHDContext::table_9_rl_vlc
CFHD_RL_VLC_ELEM table_9_rl_vlc[2088]
Definition:
cfhd.h:142
CFHDContext::subband_cnt
int subband_cnt
Definition:
cfhd.h:167
WaveletCount
@ WaveletCount
Definition:
cfhd.h:42
NumSpatial
@ NumSpatial
Definition:
cfhd.h:44
SampleType
int32_t SampleType
Definition:
ac3enc.h:65
CFHDDSPContext
Definition:
cfhddsp.h:25
SubBand::width
int width
Definition:
cfhd.h:111
CFHDContext::a_format
int a_format
Definition:
cfhd.h:162
BandScale
@ BandScale
Definition:
cfhd.h:74
HighpassWidth
@ HighpassWidth
Definition:
cfhd.h:62
WaveletNumber
@ WaveletNumber
Definition:
cfhd.h:59
CFHDContext::bpc
int bpc
Definition:
cfhd.h:165
FrameNumber
@ FrameNumber
Definition:
cfhd.h:79
LowpassWidth
@ LowpassWidth
Definition:
cfhd.h:53
ff_cfhd_init_vlcs
int ff_cfhd_init_vlcs(CFHDContext *s)
Definition:
cfhddata.c:181
LowpassQuantization
@ LowpassQuantization
Definition:
cfhd.h:56
CFHDContext::quantisation
uint16_t quantisation
Definition:
cfhd.h:171
CFHDContext::channel_num
int channel_num
Definition:
cfhd.h:169
VersionMajor
@ VersionMajor
Definition:
cfhd.h:35
CFHDContext::level
int level
Definition:
cfhd.h:176
GetBitContext
Definition:
get_bits.h:108
LowpassDivisor
@ LowpassDivisor
Definition:
cfhd.h:67
WaveletLevel
@ WaveletLevel
Definition:
cfhd.h:60
FirstWavelet
@ FirstWavelet
Definition:
cfhd.h:45
LowpassPrecision
@ LowpassPrecision
Definition:
cfhd.h:57
Quantization
@ Quantization
Definition:
cfhd.h:73
Plane::idwt_tmp
int16_t * idwt_tmp
Definition:
cfhd.h:123
BandEncoding
@ BandEncoding
Definition:
cfhd.h:72
WaveletType
@ WaveletType
Definition:
cfhd.h:58
SubbandNumber
@ SubbandNumber
Definition:
cfhd.h:68
NumFrames
@ NumFrames
Definition:
cfhd.h:40
Plane::idwt_size
int idwt_size
Definition:
cfhd.h:124
CFHDContext::peak
Peak peak
Definition:
cfhd.h:181
Version
@ Version
Definition:
cfhd.h:86
s
#define s(width, name)
Definition:
cbs_vp9.c:198
TransformType
TransformType
Definition:
webp.c:113
CFHDContext::codebook
int codebook
Definition:
cfhd.h:173
LowpassScale
@ LowpassScale
Definition:
cfhd.h:66
PeakOffsetHigh
@ PeakOffsetHigh
Definition:
cfhd.h:85
VersionMinor
@ VersionMinor
Definition:
cfhd.h:36
get_bits.h
DisplayHeight
@ DisplayHeight
Definition:
cfhd.h:90
CFHDContext::band_encoding
int band_encoding
Definition:
cfhd.h:168
CFHDContext::subband_num
int subband_num
Definition:
cfhd.h:175
FrameType
FrameType
G723.1 frame types.
Definition:
g723_1.h:63
Plane::subband
int16_t * subband[SUBBAND_COUNT_3D]
Definition:
cfhd.h:127
FrameIndex
@ FrameIndex
Definition:
cfhd.h:50
InputFormat
@ InputFormat
Definition:
cfhd.h:81
CFHDContext::planes
int planes
Definition:
cfhd.h:149
Peak
Definition:
cfhd.h:133
CFHD_RL_VLC_ELEM
Definition:
cfhd.h:99
HighpassHeight
@ HighpassHeight
Definition:
cfhd.h:63
CFHDContext::avctx
AVCodecContext * avctx
Definition:
cfhd.h:140
Peak::base
GetByteContext base
Definition:
cfhd.h:136
VersionRevision
@ VersionRevision
Definition:
cfhd.h:37
SubBand::stride
ptrdiff_t stride
Definition:
cfhd.h:109
Plane::height
int height
Definition:
cfhd.h:119
CFHDContext::frame_index
int frame_index
Definition:
cfhd.h:151
BitstreamMarker
@ BitstreamMarker
Definition:
cfhd.h:34
CFHD_RL_VLC_ELEM::level
int16_t level
Definition:
cfhd.h:100
CFHDContext::gb
GetBitContext gb
Definition:
cfhd.h:147
SubBand
Definition:
cfhd.h:108
CFHDContext::a_width
int a_width
Definition:
cfhd.h:160
Plane::width
int width
Definition:
cfhd.h:118
CFHDContext::coded_height
int coded_height
Definition:
cfhd.h:155
CFHDContext::prescale_table
uint8_t prescale_table[8]
Definition:
cfhd.h:179
CFHDContext::difference_coding
int difference_coding
Definition:
cfhd.h:174
NumBands
@ NumBands
Definition:
cfhd.h:61
Plane::l_h
int16_t * l_h[10]
Definition:
cfhd.h:128
VersionEdit
@ VersionEdit
Definition:
cfhd.h:38
Plane::stride
ptrdiff_t stride
Definition:
cfhd.h:120
CFHDContext::coded_format
enum AVPixelFormat coded_format
Definition:
cfhd.h:157
CFHDContext::transform_type
int transform_type
Definition:
cfhd.h:153
SubbandCount
@ SubbandCount
Definition:
cfhd.h:43
CFHDContext::plane
Plane plane[4]
Definition:
cfhd.h:180
CFHDContext
Definition:
cfhd.h:139
LowpassBorder
@ LowpassBorder
Definition:
cfhd.h:64
cfhddsp.h
SubbandBand
@ SubbandBand
Definition:
cfhd.h:71
SubBand::read_ok
int8_t read_ok
Definition:
cfhd.h:114
CFHDContext::cropped_height
int cropped_height
Definition:
cfhd.h:156
SUBBAND_COUNT_3D
#define SUBBAND_COUNT_3D
Definition:
cfhd.h:97
ImageWidth
@ ImageWidth
Definition:
cfhd.h:48
avcodec.h
ChannelHeight
@ ChannelHeight
Definition:
cfhd.h:92
CFHDContext::sample_type
int sample_type
Definition:
cfhd.h:152
CFHDContext::coded_width
int coded_width
Definition:
cfhd.h:154
PeakLevel
@ PeakLevel
Definition:
cfhd.h:83
BandCodingFlags
@ BandCodingFlags
Definition:
cfhd.h:82
EncodedFormat
@ EncodedFormat
Definition:
cfhd.h:89
AVCodecContext
main external API structure.
Definition:
avcodec.h:451
CFHDContext::a_transform_type
int a_transform_type
Definition:
cfhd.h:163
CFHDParam
CFHDParam
Definition:
cfhd.h:31
CFHDContext::lut
int lut[2][256]
Definition:
cfhd.h:145
ImageHeight
@ ImageHeight
Definition:
cfhd.h:49
BandTrailer
@ BandTrailer
Definition:
cfhd.h:76
Plane
Definition:
cfhd.h:117
BandWidth
@ BandWidth
Definition:
cfhd.h:69
ChannelWidth
@ ChannelWidth
Definition:
cfhd.h:91
SampleFlags
@ SampleFlags
Definition:
cfhd.h:78
Plane::idwt_buf
int16_t * idwt_buf
Definition:
cfhd.h:122
DWT_LEVELS_3D
#define DWT_LEVELS_3D
Definition:
cfhd.h:106
Plane::band
SubBand band[DWT_LEVELS_3D][4]
Definition:
cfhd.h:130
CFHDContext::frame_type
int frame_type
Definition:
cfhd.h:150
NumLevels
@ NumLevels
Definition:
cfhd.h:52
LowpassHeight
@ LowpassHeight
Definition:
cfhd.h:54
HighpassBorder
@ HighpassBorder
Definition:
cfhd.h:65
CFHDContext::subband_num_actual
int subband_num_actual
Definition:
cfhd.h:177
bytestream.h
CFHD_RL_VLC_ELEM::run
uint16_t run
Definition:
cfhd.h:102
CFHDContext::table_18_rl_vlc
CFHD_RL_VLC_ELEM table_18_rl_vlc[4572]
Definition:
cfhd.h:143
SampleIndexTable
@ SampleIndexTable
Definition:
cfhd.h:33
Peak::offset
int offset
Definition:
cfhd.h:135
SubBand::a_height
int a_height
Definition:
cfhd.h:112
SubBand::a_width
int a_width
Definition:
cfhd.h:110
PeakOffsetLow
@ PeakOffsetLow
Definition:
cfhd.h:84
CFHDContext::a_height
int a_height
Definition:
cfhd.h:161
SubBand::height
int height
Definition:
cfhd.h:113
PixelOffset
@ PixelOffset
Definition:
cfhd.h:55
CFHD_RL_VLC_ELEM::len
int8_t len
Definition:
cfhd.h:101
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