#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "libavutil/qsort.h"
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"
#include "scpr.h"

Functions
static void	renew_table3 (uint32_t nsym, uint32_t cntsum, uint16_t freqs, uint16_t freqs1, uint16_t cnts, uint8_t *dectab)

static void	reinit_tables3 (SCPRContext *s)

static int	decode3 (GetByteContext gb, RangeCoder rc, uint32_t a, uint32_t b)

static void	rescale (PixelModel3 m, int totfr)

static int	add_symbol (PixelModel3 m, int index, uint32_t symbol, int totfr, int max)

static int	decode_adaptive45 (PixelModel3 m, int rccode, uint32_t value, uint16_t a, uint16_t b, uint32_t *c, int max)

static int	update_model6_to_7 (PixelModel3 *m)

static void	calc_sum (PixelModel3 *m)

static void	rescale_dec (PixelModel3 *m)

static int	update_model5_to_6 (PixelModel3 *m, uint8_t value)

static void	grow_dec (PixelModel3 *m)

static int	add_dec (PixelModel3 *m, int sym, int f1, int f2)

static void	incr_cntdec (PixelModel3 *m, int a)

static int	decode_adaptive6 (PixelModel3 m, uint32_t code, uint32_t value, uint16_t a, uint16_t b)

static int	cmpbytes (const void p1, const void p2)

static int	update_model1_to_2 (PixelModel3 *m, uint32_t val)

static int	update_model1_to_4 (PixelModel3 *m, uint32_t val)

static int	update_model1_to_5 (PixelModel3 *m, uint32_t val)

static int	decode_static1 (PixelModel3 *m, uint32_t val)

static int	update_model2_to_6 (PixelModel3 *m, uint8_t value, int a4)

static int	update_model2_to_3 (PixelModel3 *m, uint32_t val)

static int	decode_static2 (PixelModel3 *m, uint32_t val)

static int	update_model3_to_7 (PixelModel3 *m, uint8_t value)

static int	decode_static3 (PixelModel3 *m, uint32_t val)

static void	sync_code3 (GetByteContext gb, RangeCoder rc)

static int	decode_value3 (SCPRContext s, uint32_t max, uint32_t cntsum, uint16_t freqs1, uint16_t freqs2, uint16_t cnts, uint8_t dectable, uint32_t *value)

static void	calc_sum5 (PixelModel3 *m)

static int	update_model4_to_5 (PixelModel3 *m, uint32_t value)

static int	decode_unit3 (SCPRContext s, PixelModel3 m, uint32_t code, uint32_t *value)

static int	decode_units3 (SCPRContext s, uint32_t red, uint32_t green, uint32_t blue, int cx, int cx1)

static void	init_rangecoder3 (RangeCoder rc, GetByteContext gb)

static int	decompress_i3 (AVCodecContext avctx, uint32_t dst, int linesize)

static int	decompress_p3 (AVCodecContext avctx, uint32_t dst, int linesize, uint32_t *prev, int plinesize)

Function Documentation

◆ renew_table3()

static void renew_table3	(	uint32_t	nsym,
		uint32_t *	cntsum,
		uint16_t *	freqs,
		uint16_t *	freqs1,
		uint16_t *	cnts,
		uint8_t *	dectab
	)

static

Definition at line 34 of file scpr3.c.

Referenced by reinit_tables3().

◆ reinit_tables3()

static void reinit_tables3 ( SCPRContext * s )

static

Definition at line 53 of file scpr3.c.

Referenced by decompress_i3().

◆ decode3()

static int decode3	(	GetByteContext *	gb,
		RangeCoder *	rc,
		uint32_t	a,
		uint32_t	b
	)

static

Definition at line 99 of file scpr3.c.

Referenced by decode_unit3(), and decode_value3().

◆ rescale()

static void rescale	(	PixelModel3 *	m,
		int *	totfr
	)

static

Definition at line 110 of file scpr3.c.

Referenced by add_symbol(), decode_adaptive45(), and update_model4_to_5().

◆ add_symbol()

static int add_symbol	(	PixelModel3 *	m,
		int	index,
		uint32_t	symbol,
		int *	totfr,
		int	max
	)

static

Definition at line 123 of file scpr3.c.

Referenced by decode_adaptive45().

◆ decode_adaptive45()

static int decode_adaptive45	(	PixelModel3 *	m,
		int	rccode,
		uint32_t *	value,
		uint16_t *	a,
		uint16_t *	b,
		uint32_t *	c,
		int	max
	)

static

Definition at line 147 of file scpr3.c.

Referenced by decode_unit3().

◆ update_model6_to_7()

static int update_model6_to_7 ( PixelModel3 * m )

static

Definition at line 204 of file scpr3.c.

Referenced by decode_unit3().

◆ calc_sum()

static void calc_sum ( PixelModel3 * m )

static

Definition at line 249 of file scpr3.c.

Referenced by update_model2_to_6(), and update_model5_to_6().

◆ rescale_dec()

static void rescale_dec ( PixelModel3 * m )

static

Definition at line 261 of file scpr3.c.

Referenced by incr_cntdec(), and update_model5_to_6().

◆ update_model5_to_6()

static int update_model5_to_6	(	PixelModel3 *	m,
		uint8_t	value
	)

static

Definition at line 295 of file scpr3.c.

Referenced by decode_unit3().

◆ grow_dec()

static void grow_dec ( PixelModel3 * m )

static

Definition at line 369 of file scpr3.c.

Referenced by decode_adaptive6().

◆ add_dec()

static int add_dec	(	PixelModel3 *	m,
		int	sym,
		int	f1,
		int	f2
	)

static

Definition at line 378 of file scpr3.c.

Referenced by decode_adaptive6().

◆ incr_cntdec()

static void incr_cntdec	(	PixelModel3 *	m,
		int	a
	)

static

Definition at line 395 of file scpr3.c.

Referenced by decode_adaptive6().

◆ decode_adaptive6()

static int decode_adaptive6	(	PixelModel3 *	m,
		uint32_t	code,
		uint32_t *	value,
		uint16_t *	a,
		uint16_t *	b
	)

static

Definition at line 420 of file scpr3.c.

Referenced by decode_unit3().

◆ cmpbytes()

static int cmpbytes	(	const void *	p1,
		const void *	p2
	)

static

Definition at line 475 of file scpr3.c.

Referenced by update_model1_to_4(), update_model1_to_5(), and update_model2_to_6().

◆ update_model1_to_2()

static int update_model1_to_2	(	PixelModel3 *	m,
		uint32_t	val
	)

static

Definition at line 482 of file scpr3.c.

Referenced by decode_static1().

◆ update_model1_to_4()

static int update_model1_to_4	(	PixelModel3 *	m,
		uint32_t	val
	)

static

Definition at line 499 of file scpr3.c.

Referenced by decode_static1().

◆ update_model1_to_5()

static int update_model1_to_5	(	PixelModel3 *	m,
		uint32_t	val
	)

static

Definition at line 525 of file scpr3.c.

Referenced by decode_static1().

◆ decode_static1()

static int decode_static1	(	PixelModel3 *	m,
		uint32_t	val
	)

static

Definition at line 557 of file scpr3.c.

Referenced by decode_unit3().

◆ update_model2_to_6()

static int update_model2_to_6	(	PixelModel3 *	m,
		uint8_t	value,
		int	a4
	)

static

Definition at line 579 of file scpr3.c.

Referenced by decode_static2().

◆ update_model2_to_3()

static int update_model2_to_3	(	PixelModel3 *	m,
		uint32_t	val
	)

static

Definition at line 638 of file scpr3.c.

Referenced by decode_static2().

◆ decode_static2()

static int decode_static2	(	PixelModel3 *	m,
		uint32_t	val
	)

static

Definition at line 656 of file scpr3.c.

Referenced by decode_unit3().

◆ update_model3_to_7()

static int update_model3_to_7	(	PixelModel3 *	m,
		uint8_t	value
	)

static

Definition at line 682 of file scpr3.c.

Referenced by decode_static3().

◆ decode_static3()

static int decode_static3	(	PixelModel3 *	m,
		uint32_t	val
	)

static

Definition at line 722 of file scpr3.c.

Referenced by decode_unit3().

◆ sync_code3()

static void sync_code3	(	GetByteContext *	gb,
		RangeCoder *	rc
	)

static

Definition at line 739 of file scpr3.c.

Referenced by decode_unit3(), decode_value3(), and decompress_p3().

◆ decode_value3()

static int decode_value3	(	SCPRContext *	s,
		uint32_t	max,
		uint32_t *	cntsum,
		uint16_t *	freqs1,
		uint16_t *	freqs2,
		uint16_t *	cnts,
		uint8_t *	dectable,
		uint32_t *	value
	)

static

Definition at line 748 of file scpr3.c.

Referenced by decode_unit3(), decompress_i3(), and decompress_p3().

◆ calc_sum5()

static void calc_sum5 ( PixelModel3 * m )

static

Definition at line 799 of file scpr3.c.

Referenced by update_model4_to_5().

◆ update_model4_to_5()

static int update_model4_to_5	(	PixelModel3 *	m,
		uint32_t	value
	)

static

Definition at line 809 of file scpr3.c.

Referenced by decode_unit3().

◆ decode_unit3()

static int decode_unit3	(	SCPRContext *	s,
		PixelModel3 *	m,
		uint32_t	code,
		uint32_t *	value
	)

static

Definition at line 839 of file scpr3.c.

Referenced by decode_units3().

◆ decode_units3()

static int decode_units3	(	SCPRContext *	s,
		uint32_t *	red,
		uint32_t *	green,
		uint32_t *	blue,
		int *	cx,
		int *	cx1
	)

static

Definition at line 908 of file scpr3.c.

Referenced by decompress_i3(), and decompress_p3().

◆ init_rangecoder3()

static void init_rangecoder3	(	RangeCoder *	rc,
		GetByteContext *	gb
	)

static

Definition at line 939 of file scpr3.c.

Referenced by decompress_i3(), and decompress_p3().

◆ decompress_i3()

static int decompress_i3	(	AVCodecContext *	avctx,
		uint32_t *	dst,
		int	linesize
	)

static

Definition at line 945 of file scpr3.c.

Referenced by decode_frame().

◆ decompress_p3()

static int decompress_p3	(	AVCodecContext *	avctx,
		uint32_t *	dst,
		int	linesize,
		uint32_t *	prev,
		int	plinesize
	)

static

Definition at line 1028 of file scpr3.c.

Referenced by decode_frame().

Functions

Function Documentation

◆ renew_table3()

◆ reinit_tables3()

◆ decode3()

◆ rescale()

◆ add_symbol()

◆ decode_adaptive45()

◆ update_model6_to_7()

◆ calc_sum()

◆ rescale_dec()

◆ update_model5_to_6()

◆ grow_dec()

◆ add_dec()

◆ incr_cntdec()

◆ decode_adaptive6()

◆ cmpbytes()

◆ update_model1_to_2()

◆ update_model1_to_4()

◆ update_model1_to_5()

◆ decode_static1()

◆ update_model2_to_6()

◆ update_model2_to_3()

◆ decode_static2()

◆ update_model3_to_7()

◆ decode_static3()

◆ sync_code3()

◆ decode_value3()

◆ calc_sum5()

◆ update_model4_to_5()

◆ decode_unit3()

◆ decode_units3()

◆ init_rangecoder3()

◆ decompress_i3()

◆ decompress_p3()