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minor tweaks to private md5 interface

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This commit is contained in:
Josh Coalson
2007-03-14 07:58:19 +00:00
parent f299910ddb
commit 099a2893da
3 changed files with 12 additions and 16 deletions
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24
src/libFLAC/include/private/md5.h
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@@ -1,3 +1,6 @@
#ifndef FLAC__PRIVATE__MD5_H
#define FLAC__PRIVATE__MD5_H
/*
* This is the header file for the MD5 message-digest algorithm.
* The algorithm is due to Ron Rivest. This code was
@@ -20,29 +23,22 @@
* Still in the public domain.
*
* Josh Coalson: made some changes to integrate with libFLAC.
* Still in the public domain.
* Still in the public domain, with no warranty.
*/
#ifndef FLAC__PRIVATE__MD5_H
#define FLAC__PRIVATE__MD5_H
#define md5byte unsigned char
#include "FLAC/ordinals.h"
struct FLAC__MD5Context {
typedef struct {
FLAC__uint32 buf[4];
FLAC__uint32 bytes[2];
FLAC__uint32 in[16];
FLAC__byte *internal_buf;
unsigned capacity;
};
} FLAC__MD5Context;
void FLAC__MD5Init(struct FLAC__MD5Context *context);
void FLAC__MD5Update(struct FLAC__MD5Context *context, md5byte const *buf, unsigned len);
void FLAC__MD5Final(md5byte digest[16], struct FLAC__MD5Context *context);
void FLAC__MD5Transform(FLAC__uint32 buf[4], FLAC__uint32 const in[16]);
void FLAC__MD5Init(FLAC__MD5Context *context);
void FLAC__MD5Final(FLAC__byte digest[16], FLAC__MD5Context *context);
FLAC__bool FLAC__MD5Accumulate(struct FLAC__MD5Context *ctx, const FLAC__int32 * const signal[], unsigned channels, unsigned samples, unsigned bytes_per_sample);
FLAC__bool FLAC__MD5Accumulate(FLAC__MD5Context *ctx, const FLAC__int32 * const signal[], unsigned channels, unsigned samples, unsigned bytes_per_sample);
#endif /* !MD5_H */
#endif

2
src/libFLAC/stream_decoder.c
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@@ -192,7 +192,7 @@ typedef struct FLAC__StreamDecoderPrivate {
FLAC__bool do_md5_checking; /* initially gets protected_->md5_checking but is turned off after a seek or if the metadata has a zero MD5 */
FLAC__bool internal_reset_hack; /* used only during init() so we can call reset to set up the decoder without rewinding the input */
FLAC__bool is_seeking;
struct FLAC__MD5Context md5context;
FLAC__MD5Context md5context;
FLAC__byte computed_md5sum[16]; /* this is the sum we computed from the decoded data */
/* (the rest of these are only used for seeking) */
FLAC__Frame last_frame; /* holds the info of the last frame we seeked to */

2
src/libFLAC/stream_encoder.c
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@@ -361,7 +361,7 @@ typedef struct FLAC__StreamEncoderPrivate {
FLAC__StreamMetadata_SeekTable *seek_table; /* pointer into encoder->protected_->metadata_ where the seek table is */
unsigned current_sample_number;
unsigned current_frame_number;
struct FLAC__MD5Context md5context;
FLAC__MD5Context md5context;
FLAC__CPUInfo cpuinfo;
#ifndef FLAC__INTEGER_ONLY_LIBRARY
unsigned (*local_fixed_compute_best_predictor)(const FLAC__int32 data[], unsigned data_len, FLAC__float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);