1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
# see http://www.scons.org if you do not have this tool
from os.path import join
import SCons
# TODO: should use lamda and map to work on python 1.5
def path(prefix, list): return [join(prefix, x) for x in list]
encoder_sources = """
apiwrapper.c
fragment.c
idct.c
internal.c
state.c
quant.c
analyze.c
encfrag.c
encapiwrapper.c
encinfo.c
encode.c
enquant.c
fdct.c
huffenc.c
mathops.c
mcenc.c
rate.c
tokenize.c
"""
decoder_sources = """
apiwrapper.c
bitpack.c
decapiwrapper.c
decinfo.c
decode.c
dequant.c
fragment.c
huffdec.c
idct.c
info.c
internal.c
quant.c
state.c
"""
env = Environment()
if env['CC'] == 'gcc':
env.Append(CCFLAGS=["-g", "-O2", "-Wall", "-Wno-parentheses"])
def CheckPKGConfig(context, version):
context.Message( 'Checking for pkg-config... ' )
ret = context.TryAction('pkg-config --atleast-pkgconfig-version=%s' % version)[0]
context.Result( ret )
return ret
def CheckPKG(context, name):
context.Message( 'Checking for %s... ' % name )
ret = context.TryAction('pkg-config --exists %s' % name)[0]
context.Result( ret )
return ret
def CheckSDL(context):
name = "sdl-config"
context.Message( 'Checking for %s... ' % name )
ret = SCons.Util.WhereIs('sdl-config')
context.Result( ret )
return ret
# check for appropriate inline asm support
host_x86_32_test = """
int main(int argc, char **argv) {
#if !defined(__i386__)
#error not an x86 host: preprocessor macro __i386__ not defined
#endif
return 0;
}
"""
def CheckHost_x86_32(context):
context.Message('Checking for an x86 host...')
result = context.TryCompile(host_x86_32_test, '.c')
context.Result(result)
return result
host_x86_64_test = """
int main(int argc, char **argv) {
#if !defined(__x86_64__)
#error not an x86_64 host: preprocessor macro __x86_64__ not defined
#endif
return 0;
}
"""
def CheckHost_x86_64(context):
context.Message('Checking for an x86_64 host...')
result = context.TryCompile(host_x86_64_test, '.c')
context.Result(result)
return result
conf = Configure(env, custom_tests = {
'CheckPKGConfig' : CheckPKGConfig,
'CheckPKG' : CheckPKG,
'CheckSDL' : CheckSDL,
'CheckHost_x86_32' : CheckHost_x86_32,
'CheckHost_x86_64' : CheckHost_x86_64,
})
if not conf.CheckPKGConfig('0.15.0'):
print 'pkg-config >= 0.15.0 not found.'
Exit(1)
if not conf.CheckPKG('ogg'):
print 'libogg not found.'
Exit(1)
if conf.CheckPKG('vorbis vorbisenc'):
have_vorbis=True
else:
have_vorbis=False
if conf.CheckPKG('libpng'):
have_libpng=True
else:
have_libpng=False
build_player_example=True
if not conf.CheckHeader('sys/soundcard.h'):
build_player_example=False
if build_player_example and not conf.CheckSDL():
build_player_example=False
if conf.CheckHost_x86_32():
env.Append(CPPDEFINES='OC_X86_ASM')
decoder_sources += """
x86/mmxidct.c
x86/mmxfrag.c
x86/mmxstate.c
x86/x86state.c
"""
encoder_sources += """
x86/mmxencfrag.c
x86/mmxfdct.c
x86/x86enc.c
x86/mmxfrag.c
x86/mmxidct.c
x86/mmxstate.c
x86/x86state.c
"""
elif conf.CheckHost_x86_64():
env.Append(CPPDEFINES=['OC_X86_ASM', 'OC_X86_64_ASM'])
decoder_sources += """
x86/mmxidct.c
x86/mmxfrag.c
x86/mmxstate.c
x86/x86state.c
"""
encoder_sources += """
x86/mmxencfrag.c
x86/mmxfdct.c
x86/x86enc.c
x86/sse2fdct.c
x86/mmxfrag.c
x86/mmxidct.c
x86/mmxstate.c
x86/x86state.c
"""
env = conf.Finish()
env.Append(CPPPATH=['include'])
env.ParseConfig('pkg-config --cflags --libs ogg')
libtheoradec_Sources = Split(decoder_sources)
libtheoraenc_Sources = Split(encoder_sources)
libtheoradec_a = env.Library('lib/theoradec',
path('lib', libtheoradec_Sources))
libtheoradec_so = env.SharedLibrary('lib/theoradec',
path('lib', libtheoradec_Sources))
libtheoraenc_a = env.Library('lib/theoraenc',
path('lib', libtheoraenc_Sources))
libtheoraenc_so = env.SharedLibrary('lib/theoraenc',
path('lib', libtheoraenc_Sources) + [libtheoradec_so])
#installing
prefix='/usr'
lib_dir = prefix + '/lib'
env.Alias('install', prefix)
env.Install(lib_dir, [libtheoradec_a, libtheoradec_so])
env.Install(lib_dir, [libtheoraenc_a, libtheoraenc_so])
# example programs
dump_video = env.Clone()
dump_video_Sources = Split("""dump_video.c ../lib/libtheoradec.a""")
dump_video.Program('examples/dump_video', path('examples', dump_video_Sources))
dump_psnr = env.Clone()
dump_psnr.Append(LIBS='m')
dump_psnr_Sources = Split("""dump_psnr.c ../lib/libtheoradec.a""")
dump_psnr.Program('examples/dump_psnr', path('examples', dump_psnr_Sources))
if have_vorbis:
encex = dump_video.Clone()
encex.ParseConfig('pkg-config --cflags --libs vorbisenc vorbis')
encex_Sources = Split("""
encoder_example.c
../lib/libtheoraenc.a
../lib/libtheoradec.a
""")
encex.Program('examples/encoder_example', path('examples', encex_Sources))
if build_player_example:
plyex = encex.Clone()
plyex_Sources = Split("""
player_example.c
../lib/libtheoradec.a
""")
plyex.ParseConfig('sdl-config --cflags --libs')
plyex.Program('examples/player_example', path('examples', plyex_Sources))
png2theora = env.Clone()
png2theora_Sources = Split("""png2theora.c
../lib/libtheoraenc.a
../lib/libtheoradec.a
""")
png2theora.ParseConfig('pkg-config --cflags --libs libpng')
png2theora.Program('examples/png2theora', path('examples', png2theora_Sources))
|
