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
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
|
/*
* StreamEncoder.cpp
* -----------------
* Purpose: Exporting streamed music files.
* Notes : none
* Authors: Joern Heusipp
* OpenMPT Devs
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
*/
#include "stdafx.h"
#include "StreamEncoder.h"
#include "mpt/io/base.hpp"
#include "mpt/io/io.hpp"
#include "mpt/io/io_stdstream.hpp"
#include "mpt/io_write/buffer.hpp"
#include "openmpt/soundbase/SampleEncode.hpp"
#include "openmpt/soundbase/SampleFormat.hpp"
#include <ostream>
OPENMPT_NAMESPACE_BEGIN
StreamWriterBase::StreamWriterBase(std::ostream &stream)
: f(stream)
, fStart(f.tellp())
{
return;
}
StreamWriterBase::~StreamWriterBase()
{
return;
}
template <mpt::endian endian, typename Tsample>
static inline std::pair<bool, std::size_t> WriteInterleavedImpl(std::ostream &f, uint16 channels, Encoder::Format format, std::size_t frameCount, const Tsample *interleaved)
{
MPT_ASSERT(endian == format.endian);
MPT_ASSERT(format.GetSampleFormat() == SampleFormatTraits<Tsample>::sampleFormat());
bool success = true;
std::size_t written = 0;
MPT_MAYBE_CONSTANT_IF(endian == mpt::get_endian() && format.encoding != Encoder::Format::Encoding::Alaw && format.encoding != Encoder::Format::Encoding::ulaw)
{
if(!mpt::IO::WriteRaw(f, reinterpret_cast<const std::byte*>(interleaved), frameCount * channels * format.GetSampleFormat().GetSampleSize()))
{
success = false;
}
written += frameCount * channels * format.GetSampleFormat().GetSampleSize();
} else
{
std::array<std::byte, mpt::IO::BUFFERSIZE_TINY> fbuf;
mpt::IO::WriteBuffer<std::ostream> bf{f, fbuf};
if(format.encoding == Encoder::Format::Encoding::Alaw)
{
if constexpr(std::is_same<Tsample, int16>::value)
{
SC::EncodeALaw conv;
for(std::size_t frame = 0; frame < frameCount; ++frame)
{
for(uint16 channel = 0; channel < channels; ++channel)
{
std::byte sampledata = conv(interleaved[channel]);
mpt::IO::WriteRaw(bf, &sampledata, 1);
written += 1;
}
interleaved += channels;
}
}
} else if(format.encoding == Encoder::Format::Encoding::ulaw)
{
if constexpr(std::is_same<Tsample, int16>::value)
{
SC::EncodeuLaw conv;
for(std::size_t frame = 0; frame < frameCount; ++frame)
{
for(uint16 channel = 0; channel < channels; ++channel)
{
std::byte sampledata = conv(interleaved[channel]);
mpt::IO::WriteRaw(bf, &sampledata, 1);
written += 1;
}
interleaved += channels;
}
}
} else
{
if constexpr(std::is_floating_point<Tsample>::value)
{
std::vector<typename mpt::make_float_endian<endian, Tsample>::type> frameData(channels);
for(std::size_t frame = 0; frame < frameCount; ++frame)
{
for(uint16 channel = 0; channel < channels; ++channel)
{
frameData[channel] = typename mpt::make_float_endian<endian, Tsample>::type(interleaved[channel]);
}
mpt::IO::WriteRaw(bf, reinterpret_cast<const std::byte*>(frameData.data()), channels * format.GetSampleFormat().GetSampleSize());
written += channels * format.GetSampleFormat().GetSampleSize();
interleaved += channels;
}
} else if constexpr(std::is_same<Tsample, int24>::value)
{
MPT_ASSERT(!mpt::endian_is_weird());
for(std::size_t frame = 0; frame < frameCount; ++frame)
{
for(uint16 channel = 0; channel < channels; ++channel)
{
std::array<std::byte, 3> data;
std::memcpy(data.data(), interleaved, 3);
MPT_MAYBE_CONSTANT_IF(endian != mpt::get_endian())
{
std::reverse(data.begin(), data.end());
}
mpt::IO::Write(bf, data);
written += data.size();
interleaved += 3;
}
}
} else
{
std::vector<typename mpt::make_endian<endian, Tsample>::type> frameData(channels);
for(std::size_t frame = 0; frame < frameCount; ++frame)
{
for(uint16 channel = 0; channel < channels; ++channel)
{
frameData[channel] = interleaved[channel];
}
mpt::IO::WriteRaw(bf, reinterpret_cast<const std::byte*>(frameData.data()), channels * format.GetSampleFormat().GetSampleSize());
written += channels * format.GetSampleFormat().GetSampleSize();
interleaved += channels;
}
}
}
if(bf.HasWriteError())
{
success = false;
}
}
return std::make_pair(success, written);
}
std::pair<bool, std::size_t> WriteInterleavedLE(std::ostream &f, uint16 channels, Encoder::Format format, std::size_t frameCount, const double *interleaved)
{
MPT_ASSERT(format.endian == mpt::endian::little);
return WriteInterleavedImpl<mpt::endian::little>(f, channels, format, frameCount, interleaved);
}
std::pair<bool, std::size_t> WriteInterleavedLE(std::ostream &f, uint16 channels, Encoder::Format format, std::size_t frameCount, const float *interleaved)
{
MPT_ASSERT(format.endian == mpt::endian::little);
return WriteInterleavedImpl<mpt::endian::little>(f, channels, format, frameCount, interleaved);
}
std::pair<bool, std::size_t> WriteInterleavedLE(std::ostream &f, uint16 channels, Encoder::Format format, std::size_t frameCount, const int32 *interleaved)
{
MPT_ASSERT(format.endian == mpt::endian::little);
return WriteInterleavedImpl<mpt::endian::little>(f, channels, format, frameCount, interleaved);
}
std::pair<bool, std::size_t> WriteInterleavedLE(std::ostream &f, uint16 channels, Encoder::Format format, std::size_t frameCount, const int24 *interleaved)
{
MPT_ASSERT(format.endian == mpt::endian::little);
return WriteInterleavedImpl<mpt::endian::little>(f, channels, format, frameCount, interleaved);
}
std::pair<bool, std::size_t> WriteInterleavedLE(std::ostream &f, uint16 channels, Encoder::Format format, std::size_t frameCount, const int16 *interleaved)
{
MPT_ASSERT(format.endian == mpt::endian::little);
return WriteInterleavedImpl<mpt::endian::little>(f, channels, format, frameCount, interleaved);
}
std::pair<bool, std::size_t> WriteInterleavedLE(std::ostream &f, uint16 channels, Encoder::Format format, std::size_t frameCount, const int8 *interleaved)
{
MPT_ASSERT(format.endian == mpt::endian::little);
return WriteInterleavedImpl<mpt::endian::little>(f, channels, format, frameCount, interleaved);
}
std::pair<bool, std::size_t> WriteInterleavedLE(std::ostream &f, uint16 channels, Encoder::Format format, std::size_t frameCount, const uint8 *interleaved)
{
MPT_ASSERT(format.endian == mpt::endian::little);
return WriteInterleavedImpl<mpt::endian::little>(f, channels, format, frameCount, interleaved);
}
std::pair<bool, std::size_t> WriteInterleavedBE(std::ostream &f, uint16 channels, Encoder::Format format, std::size_t frameCount, const double *interleaved)
{
MPT_ASSERT(format.endian == mpt::endian::big);
return WriteInterleavedImpl<mpt::endian::big>(f, channels, format, frameCount, interleaved);
}
std::pair<bool, std::size_t> WriteInterleavedBE(std::ostream &f, uint16 channels, Encoder::Format format, std::size_t frameCount, const float *interleaved)
{
MPT_ASSERT(format.endian == mpt::endian::big);
return WriteInterleavedImpl<mpt::endian::big>(f, channels, format, frameCount, interleaved);
}
std::pair<bool, std::size_t> WriteInterleavedBE(std::ostream &f, uint16 channels, Encoder::Format format, std::size_t frameCount, const int32 *interleaved)
{
MPT_ASSERT(format.endian == mpt::endian::big);
return WriteInterleavedImpl<mpt::endian::big>(f, channels, format, frameCount, interleaved);
}
std::pair<bool, std::size_t> WriteInterleavedBE(std::ostream &f, uint16 channels, Encoder::Format format, std::size_t frameCount, const int24 *interleaved)
{
MPT_ASSERT(format.endian == mpt::endian::big);
return WriteInterleavedImpl<mpt::endian::big>(f, channels, format, frameCount, interleaved);
}
std::pair<bool, std::size_t> WriteInterleavedBE(std::ostream &f, uint16 channels, Encoder::Format format, std::size_t frameCount, const int16 *interleaved)
{
MPT_ASSERT(format.endian == mpt::endian::big);
return WriteInterleavedImpl<mpt::endian::big>(f, channels, format, frameCount, interleaved);
}
std::pair<bool, std::size_t> WriteInterleavedBE(std::ostream &f, uint16 channels, Encoder::Format format, std::size_t frameCount, const int8 *interleaved)
{
MPT_ASSERT(format.endian == mpt::endian::big);
return WriteInterleavedImpl<mpt::endian::big>(f, channels, format, frameCount, interleaved);
}
std::pair<bool, std::size_t> WriteInterleavedBE(std::ostream &f, uint16 channels, Encoder::Format format, std::size_t frameCount, const uint8 *interleaved)
{
MPT_ASSERT(format.endian == mpt::endian::big);
return WriteInterleavedImpl<mpt::endian::big>(f, channels, format, frameCount, interleaved);
}
SampleFormat StreamWriterBase::GetSampleFormat() const
{
return SampleFormat::Float32;
}
void StreamWriterBase::WriteInterleaved(std::size_t frameCount, const double *interleaved)
{
MPT_UNREFERENCED_PARAMETER(frameCount);
MPT_UNREFERENCED_PARAMETER(interleaved);
MPT_ASSERT_NOTREACHED();
}
void StreamWriterBase::WriteInterleaved(std::size_t frameCount, const float *interleaved)
{
MPT_UNREFERENCED_PARAMETER(frameCount);
MPT_UNREFERENCED_PARAMETER(interleaved);
MPT_ASSERT_NOTREACHED();
}
void StreamWriterBase::WriteInterleaved(std::size_t frameCount, const int32 *interleaved)
{
MPT_UNREFERENCED_PARAMETER(frameCount);
MPT_UNREFERENCED_PARAMETER(interleaved);
MPT_ASSERT_NOTREACHED();
}
void StreamWriterBase::WriteInterleaved(std::size_t frameCount, const int24 *interleaved)
{
MPT_UNREFERENCED_PARAMETER(frameCount);
MPT_UNREFERENCED_PARAMETER(interleaved);
MPT_ASSERT_NOTREACHED();
}
void StreamWriterBase::WriteInterleaved(std::size_t frameCount, const int16 *interleaved)
{
MPT_UNREFERENCED_PARAMETER(frameCount);
MPT_UNREFERENCED_PARAMETER(interleaved);
MPT_ASSERT_NOTREACHED();
}
void StreamWriterBase::WriteInterleaved(std::size_t frameCount, const int8 *interleaved)
{
MPT_UNREFERENCED_PARAMETER(frameCount);
MPT_UNREFERENCED_PARAMETER(interleaved);
MPT_ASSERT_NOTREACHED();
}
void StreamWriterBase::WriteInterleaved(std::size_t frameCount, const uint8 *interleaved)
{
MPT_UNREFERENCED_PARAMETER(frameCount);
MPT_UNREFERENCED_PARAMETER(interleaved);
MPT_ASSERT_NOTREACHED();
}
void StreamWriterBase::WriteCues(const std::vector<uint64> &cues)
{
MPT_UNREFERENCED_PARAMETER(cues);
}
void StreamWriterBase::WriteFinalize()
{
return;
}
void StreamWriterBase::WriteBuffer()
{
if(!f)
{
return;
}
if(buf.empty())
{
return;
}
f.write(buf.data(), buf.size());
buf.resize(0);
}
void EncoderFactoryBase::SetTraits(const Encoder::Traits &traits)
{
m_Traits = traits;
}
bool EncoderFactoryBase::IsBitrateSupported(int samplerate, int channels, int bitrate) const
{
MPT_UNREFERENCED_PARAMETER(samplerate);
MPT_UNREFERENCED_PARAMETER(channels);
MPT_UNREFERENCED_PARAMETER(bitrate);
return true;
}
mpt::ustring EncoderFactoryBase::DescribeQuality(float quality) const
{
return MPT_UFORMAT("VBR {}%")(static_cast<int>(quality * 100.0f));
}
mpt::ustring EncoderFactoryBase::DescribeBitrateVBR(int bitrate) const
{
return MPT_UFORMAT("VBR {} kbit")(bitrate);
}
mpt::ustring EncoderFactoryBase::DescribeBitrateABR(int bitrate) const
{
return MPT_UFORMAT("ABR {} kbit")(bitrate);
}
mpt::ustring EncoderFactoryBase::DescribeBitrateCBR(int bitrate) const
{
return MPT_UFORMAT("CBR {} kbit")(bitrate);
}
OPENMPT_NAMESPACE_END
|
