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1#define PERL_NO_GET_CONTEXT
2#include "EXTERN.h"
3#include "perl.h"
4#include "XSUB.h"
5
6#include "ppport.h"
7
8#include <dec/decode.h>
9#include <enc/encode.h>
10#include <common/dictionary.h>
11
12#define BUFFER_SIZE 1048576
13
14MODULE = IO::Compress::Brotli PACKAGE = IO::Uncompress::Brotli
15PROTOTYPES: ENABLE
16
17SV* unbro(buffer)
18 SV* buffer
19 PREINIT:
20 size_t decoded_size;
21 STRLEN encoded_size;
22 uint8_t *encoded_buffer, *decoded_buffer;
23 CODE:
24 encoded_buffer = (uint8_t*) SvPV(buffer, encoded_size);
25 if(!BrotliDecompressedSize(encoded_size, encoded_buffer, &decoded_size)){
26 croak("Error in BrotliDecompressedSize");
27 }
28 Newx(decoded_buffer, decoded_size+1, uint8_t);
29 decoded_buffer[decoded_size]=0;
30 if(!BrotliDecoderDecompress(encoded_size, encoded_buffer, &decoded_size, decoded_buffer)){
31 croak("Error in BrotliDecoderDecompress");
32 }
33 RETVAL = newSV(0);
34 sv_usepvn_flags(RETVAL, decoded_buffer, decoded_size, SV_HAS_TRAILING_NUL);
35 OUTPUT:
36 RETVAL
37
38SV* BrotliDecoderCreateInstance()
39 CODE:
40 RETVAL = newSViv((IV)BrotliDecoderCreateInstance(NULL, NULL, NULL));
41 OUTPUT:
42 RETVAL
43
44void BrotliDecoderDestroyInstance(state)
45 SV* state
46 CODE:
47 BrotliDecoderDestroyInstance((BrotliDecoderState*)SvIV(state));
48
49SV* BrotliDecoderDecompressStream(state, in)
50 SV* state
51 SV* in
52 PREINIT:
53 uint8_t *next_in, *next_out, *buffer;
54 size_t available_in, available_out;
55 BrotliDecoderResult result;
56 CODE:
57 next_in = (uint8_t*) SvPV(in, available_in);
58 Newx(buffer, BUFFER_SIZE, uint8_t);
59 RETVAL = newSVpv("", 0);
60 result = BROTLI_RESULT_NEEDS_MORE_OUTPUT;
61 while(result == BROTLI_RESULT_NEEDS_MORE_OUTPUT) {
62 next_out = buffer;
63 available_out=BUFFER_SIZE;
64 result = BrotliDecoderDecompressStream( (BrotliDecoderState*) SvIV(state),
65 &available_in,
66 (const uint8_t**) &next_in,
67 &available_out,
68 &next_out,
69 NULL );
70 if(!result){
71 Safefree(buffer);
72 croak("Error in BrotliDecoderDecompressStream");
73 }
74 sv_catpvn(RETVAL, (const char*)buffer, BUFFER_SIZE-available_out);
75 }
76 Safefree(buffer);
77 OUTPUT:
78 RETVAL
79
80void BrotliDecoderSetCustomDictionary(state, dict)
81 SV* state
82 SV* dict
83 PREINIT:
84 size_t size;
85 uint8_t *data;
86 CODE:
87 data = SvPV(dict, size);
88 BrotliDecoderSetCustomDictionary((BrotliDecoderState*) SvIV(state), size, data);
89
90
91MODULE = IO::Compress::Brotli PACKAGE = IO::Compress::Brotli
92PROTOTYPES: ENABLE
93
94SV* bro(buffer, quality=BROTLI_DEFAULT_QUALITY, lgwin=BROTLI_DEFAULT_WINDOW)
95 SV* buffer
96 U32 quality
97 U32 lgwin
98 PREINIT:
99 size_t encoded_size;
100 STRLEN decoded_size;
101 uint8_t *encoded_buffer, *decoded_buffer;
102 BROTLI_BOOL result;
103 CODE:
104 if( quality < BROTLI_MIN_QUALITY || quality > BROTLI_MAX_QUALITY ) {
105 croak("Invalid quality value");
106 }
107 decoded_buffer = (uint8_t*) SvPV(buffer, decoded_size);
108 encoded_size = BrotliEncoderMaxCompressedSize(decoded_size);
109 if(!encoded_size){
110 croak("Compressed size overflow");
111 }
112 Newx(encoded_buffer, encoded_size+1, uint8_t);
113 result = BrotliEncoderCompress( quality,
114 lgwin,
115 BROTLI_DEFAULT_MODE,
116 decoded_size,
117 decoded_buffer,
118 &encoded_size,
119 encoded_buffer );
120 if(!result){
121 croak("Error in BrotliEncoderCompress");
122 }
123 encoded_buffer[encoded_size]=0;
124 RETVAL = newSV(0);
125 sv_usepvn_flags(RETVAL, encoded_buffer, encoded_size, SV_SMAGIC | SV_HAS_TRAILING_NUL);
126 OUTPUT:
127 RETVAL
128
129SV* BrotliEncoderCreateInstance()
130 CODE:
131 RETVAL = newSViv((IV)BrotliEncoderCreateInstance(NULL, NULL, NULL));
132 OUTPUT:
133 RETVAL
134
135SV* BrotliEncoderSetWindow(state, window)
136 SV* state
137 U32 window
138 CODE:
139 if( BrotliEncoderSetParameter((BrotliEncoderState*) SvIV(state), BROTLI_PARAM_LGWIN, window) )
140 RETVAL = newSVuv(1);
141 else
142 RETVAL = newSVuv(0);
143 OUTPUT:
144 RETVAL
145
146SV* BrotliEncoderSetQuality(state, quality)
147 SV* state
148 U32 quality
149 CODE:
150 if( quality < BROTLI_MIN_QUALITY || quality > BROTLI_MAX_QUALITY ) {
151 croak("Invalid quality value");
152 }
153 if( BrotliEncoderSetParameter((BrotliEncoderState*) SvIV(state), BROTLI_PARAM_QUALITY, quality) )
154 RETVAL = newSVuv(1);
155 else
156 RETVAL = newSVuv(0);
157 OUTPUT:
158 RETVAL
159
160SV* BrotliEncoderSetMode(state, mode)
161 SV* state
162 U32 mode
163 CODE:
164 if( BrotliEncoderSetParameter((BrotliEncoderState*) SvIV(state), BROTLI_PARAM_MODE, mode) )
165 RETVAL = newSVuv(1);
166 else
167 RETVAL = newSVuv(0);
168 OUTPUT:
169 RETVAL
170
171SV* BrotliEncoderCompressStream(state, in, op)
172 SV* state
173 SV* in
174 U8 op
175 PREINIT:
176 uint8_t *next_in, *next_out, *buffer;
177 size_t available_in, available_out;
178 BROTLI_BOOL result;
179 CODE:
180 next_in = (uint8_t*) SvPV(in, available_in);
181 Newx(buffer, BUFFER_SIZE, uint8_t);
182 RETVAL = newSVpv("", 0);
183 while(1) {
184 next_out = buffer;
185 available_out = BUFFER_SIZE;
186 result = BrotliEncoderCompressStream( (BrotliEncoderState*) SvIV(state),
187 (BrotliEncoderOperation) op,
188 &available_in,
189 (const uint8_t**) &next_in,
190 &available_out,
191 &next_out,
192 NULL );
193 if(!result) {
194 Safefree(buffer);
195 croak("Error in BrotliEncoderCompressStream");
196 }
197
198 if( available_out != BUFFER_SIZE ) {
199 sv_catpvn(RETVAL, (const char*)buffer, BUFFER_SIZE-available_out);
200 }
201
202 if(
203 BrotliEncoderIsFinished((BrotliEncoderState*) SvIV(state)) ||
204 (!available_in && !BrotliEncoderHasMoreOutput((BrotliEncoderState*) SvIV(state)))
205 ) break;
206 }
207 Safefree(buffer);
208 OUTPUT:
209 RETVAL
210
211void BrotliEncoderDestroyInstance(state)
212 SV* state
213 CODE:
214 BrotliEncoderDestroyInstance((BrotliEncoderState*)SvIV(state));
215
216void BrotliEncoderSetCustomDictionary(state, dict)
217 SV* state
218 SV* dict
219 PREINIT:
220 size_t size;
221 uint8_t *data;
222 CODE:
223 data = SvPV(dict, size);
224 BrotliEncoderSetCustomDictionary((BrotliEncoderState*) SvIV(state), size, data);
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