murmur3.c File Reference

#include <stdint.h>
#include "mem.h"
#include "intreadwrite.h"
#include "murmur3.h"

Go to the source code of this file.

Data Structures
struct	AVMurMur3

Macros
#define	ROT(a, b)   (((a) << (b)) | ((a) >> (64 - (b))))

Functions
AVMurMur3 *	av_murmur3_alloc (void)
	Allocate an AVMurMur3 hash context. More...
void	av_murmur3_init_seeded (AVMurMur3 *c, uint64_t seed)
	Initialize or reinitialize an AVMurMur3 hash context with a seed. More...
void	av_murmur3_init (AVMurMur3 *c)
	Initialize or reinitialize an AVMurMur3 hash context. More...
static uint64_t	get_k1 (const uint8_t *src)
static uint64_t	get_k2 (const uint8_t *src)
static uint64_t	update_h1 (uint64_t k, uint64_t h1, uint64_t h2)
static uint64_t	update_h2 (uint64_t k, uint64_t h1, uint64_t h2)
void	av_murmur3_update (AVMurMur3 *c, const uint8_t *src, int len)
	Update hash context with new data. More...
static uint64_t	fmix (uint64_t k)
void	av_murmur3_final (AVMurMur3 *c, uint8_t dst[16])
	Finish hashing and output digest value. More...

Variables
static const uint64_t	c1 = UINT64_C(0x87c37b91114253d5)
static const uint64_t	c2 = UINT64_C(0x4cf5ad432745937f)

Macro Definition Documentation

#define ROT	(		a,
			b
	)		(((a) << (b)) | ((a) >> (64 - (b))))

Definition at line 52 of file murmur3.c.

Referenced by get_k1(), get_k2(), update_h1(), and update_h2().

Function Documentation

static uint64_t get_k1 ( const uint8_t *  src )

inlinestatic

Definition at line 54 of file murmur3.c.

Referenced by av_murmur3_final(), and av_murmur3_update().

static uint64_t get_k2 ( const uint8_t *  src )

inlinestatic

Definition at line 63 of file murmur3.c.

Referenced by av_murmur3_final(), and av_murmur3_update().

static uint64_t update_h1 ( uint64_t  k, uint64_t  h1, uint64_t  h2  )

inlinestatic

Definition at line 72 of file murmur3.c.

Referenced by av_murmur3_update().

static uint64_t update_h2 ( uint64_t  k, uint64_t  h1, uint64_t  h2  )

inlinestatic

Definition at line 82 of file murmur3.c.

Referenced by av_murmur3_update().

static uint64_t fmix ( uint64_t  k )

inlinestatic

Definition at line 135 of file murmur3.c.

Referenced by av_murmur3_final().

Variable Documentation

const uint64_t c1 = UINT64_C(0x87c37b91114253d5)

static

Definition at line 49 of file murmur3.c.

Referenced by acolor(), acolor16(), av_strcasecmp(), av_strncasecmp(), avpriv_trc_smpte_st2084(), cmp_pal_entry(), color(), color16(), compare_fields(), dct4x4(), debug_accuracy(), debug_mean_error(), decode_frame(), decompress_68(), decorrelate(), diff(), ff_vp8_luma_dc_wht_msa(), fft_ref_init(), fill_picture_rgb(), filter_3x3(), filter_prewitt(), filter_sobel(), flat(), flat16(), get_k1(), get_k2(), idct4col_add(), idct4col_put(), idct4row(), idct_row(), init_gaussian_filter(), is_same3(), is_same3_16(), is_same4(), is_same4_16(), kaiser_beta(), mode05(), mode06(), mode07(), mode08(), pixel_color7_slow(), ps_tableinit(), qpeg_decode_intra(), reverse_matrixing(), rgtc2_block_internal(), scc_read_header(), and wht4x4().

const uint64_t c2 = UINT64_C(0x4cf5ad432745937f)

static

Definition at line 50 of file murmur3.c.

Referenced by acolor(), acolor16(), av_strcasecmp(), av_strncasecmp(), avpriv_trc_smpte_st2084(), cmp_pal_entry(), codec2_read_packet(), codec2raw_read_header(), color(), color16(), compare_fields(), debug_accuracy(), debug_mean_error(), decompress_68(), decorrelate(), diff(), ff_urldecode(), fill_picture_rgb(), filter_3x3(), filter_prewitt(), filter_sobel(), get_k1(), get_k2(), idct4col_add(), idct4col_put(), idct4row(), idct_row(), init_gaussian_filter(), is_same3(), is_same3_16(), is_same4(), is_same4_16(), libcodec2_close(), libcodec2_decode(), libcodec2_encode(), libcodec2_init_common(), libcodec2_init_encoder(), mode05(), mode06(), mode07(), mode08(), postProcess_TMPL(), process_slice_uyvy422(), process_slice_yuv420p(), process_slice_yuv422p(), process_slice_yuv444p(), ps_tableinit(), qpel_motion_search(), reverse_matrixing(), scc_read_header(), and sws_init_context().