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Fixed autocast.

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master
Hannes Matuschek 11 years ago
parent 0982a68252
commit 2afdd5060c
1 changed files with 55 additions and 46 deletions
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101
src/autocast.hh
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@ -7,7 +7,7 @@
namespace sdr {
/** This class performs some automatic casts to a certain buffer type if possible specified by
/** This class performs some automatic casts to a certain buffer type (if possible) specified by
* the template argument. Currently only integer casts are supported. */
template <class Scalar>
class AutoCast: public SinkBase, public Source
@ -28,9 +28,9 @@ public:
// Check type cast combination
if (Config::Type_s8 == Traits<Scalar>::scalarId) {
switch (src_cfg.type()) {
case Config::Type_u8:
case Config::Type_u8: _cast = _uint8_int8; break;
case Config::Type_s8: _cast = _identity; break;
case Config::Type_u16:
case Config::Type_u16: _cast = _uint16_int8; break;
case Config::Type_s16: _cast = _int16_int8; break;
default: break;
}
@ -38,17 +38,19 @@ public:
switch (src_cfg.type()) {
case Config::Type_u8: _cast = _uint8_cint8; break;
case Config::Type_s8: _cast = _int8_cint8; break;
case Config::Type_cu8: _cast = _cuint8_cint8; break;
case Config::Type_cu8: _cast = _uint8_int8; break;
case Config::Type_cs8: _cast = _identity; break;
case Config::Type_u16:
case Config::Type_u16: _cast = _uint16_cint8; break;
case Config::Type_s16: _cast = _int16_cint8; break;
case Config::Type_cu16: _cast = _uint16_int8; break;
case Config::Type_cs16: _cast = _int16_int8; break;
default: break;
}
} else if (Config::Type_s16 == Traits<Scalar>::scalarId) {
switch (src_cfg.type()) {
case Config::Type_u8:
case Config::Type_u8: _cast = _uint8_int16; break;
case Config::Type_s8: _cast = _int8_int16; break;
case Config::Type_u16:
case Config::Type_u16: _cast = _uint16_int16; break;
case Config::Type_s16: _cast = _identity; break;
default: break;
}
@ -56,11 +58,11 @@ public:
switch (src_cfg.type()) {
case Config::Type_u8: _cast = _uint8_cint16; break;
case Config::Type_s8: _cast = _int8_cint16; break;
case Config::Type_cu8: _cast = _cuint8_cint16; break;
case Config::Type_cs8: _cast = _cint8_cint16; break;
case Config::Type_cu8: _cast = _uint8_int16; break;
case Config::Type_cs8: _cast = _int8_int16; break;
case Config::Type_u16: _cast = _uint16_cint16; break;
case Config::Type_s16: _cast = _int16_cint16; break;
case Config::Type_cu16:
case Config::Type_cu16: _cast = _uint16_int16; break;
case Config::Type_cs16: _cast = _identity; break;
default: break;
}
@ -110,11 +112,32 @@ protected:
return in.bytesLen();
}
/** uint8_t -> int8_t */
static size_t _uint8_int8(const RawBuffer &in, const RawBuffer &out) {
size_t N = in.bytesLen();
for (size_t i=0; i<N; i++) {
reinterpret_cast<int8_t *>(out.data())[i] =
int16_t(reinterpret_cast<uint8_t *>(in.data())[i]) - 127;
}
return N;
}
/** uint16 -> int8 */
static size_t _uint16_int8(const RawBuffer &in, const RawBuffer &out) {
size_t N = in.bytesLen()/2;
for (size_t i=0; i<N; i++) {
reinterpret_cast<int8_t *>(out.data())[i] =
int16_t(reinterpret_cast<uint16_t *>(in.data())[i]>>8) - 127;
}
return N;
}
/** int16 -> int8 */
static size_t _int16_int8(const RawBuffer &in, const RawBuffer &out) {
size_t N = in.bytesLen()/2;
for (size_t i=0; i<N; i++) {
reinterpret_cast<int8_t *>(out.data())[i] = reinterpret_cast<int16_t *>(in.data())[i]>>8;
reinterpret_cast<int8_t *>(out.data())[i] =
reinterpret_cast<int16_t *>(in.data())[i]>>8;
}
return N;
}
@ -134,18 +157,18 @@ protected:
static size_t _int8_cint8(const RawBuffer &in, const RawBuffer &out) {
size_t N = in.bytesLen();
for (size_t i=0; i<N; i++) {
reinterpret_cast<std::complex<int8_t> *>(out.data())[i] = reinterpret_cast<int8_t *>(in.data())[i];
reinterpret_cast<std::complex<int8_t> *>(out.data())[i] =
reinterpret_cast<int8_t *>(in.data())[i];
}
return 2*N;
}
/** std::complex<uint8_t> -> std::complex<int8_t>. */
static size_t _cuint8_cint8(const RawBuffer &in, const RawBuffer &out) {
/** uint16 -> complex int 8. */
static size_t _uint16_cint8(const RawBuffer &in, const RawBuffer &out) {
size_t N = in.bytesLen()/2;
std::complex<uint8_t> *values = reinterpret_cast<std::complex<uint8_t> *>(in.data());
for (size_t i=0; i<N; i++) {
reinterpret_cast<std::complex<int8_t> *>(out.data())[i] =
std::complex<int8_t>(int16_t(values[i].real())-127, int16_t(values[i].imag())-127);
reinterpret_cast<std::complex<int8_t> *>(out.data())[i]
= int32_t(reinterpret_cast<int16_t *>(in.data())[i]>>8)-((2<<15)-1);
}
return 2*N;
}
@ -159,12 +182,12 @@ protected:
return 2*N;
}
/** complex int16 -> complex int 8. */
static size_t _cint16_cint8(const RawBuffer &in, const RawBuffer &out) {
size_t N = in.bytesLen()/4;
std::complex<int16_t> *values = reinterpret_cast<std::complex<int16_t> *>(in.data());
/** uint8 -> int16. */
static size_t _uint8_int16(const RawBuffer &in, const RawBuffer &out) {
size_t N = in.bytesLen();
int8_t *values = reinterpret_cast<int8_t *>(in.data());
for (size_t i=0; i<N; i++) {
reinterpret_cast<std::complex<int8_t> *>(out.data())[i] = std::complex<int8_t>(values[i].real()>>8, values[i].imag()>>8);
reinterpret_cast<int16_t *>(out.data())[i] = (int16_t(values[i])-127)<<8;
}
return 2*N;
}
@ -179,6 +202,16 @@ protected:
return 2*N;
}
/** uint16 -> int16. */
static size_t _uint16_int16(const RawBuffer &in, const RawBuffer &out) {
size_t N = in.bytesLen()/2;
uint16_t *values = reinterpret_cast<uint16_t *>(in.data());
for (size_t i=0; i<N; i++) {
reinterpret_cast<int16_t *>(out.data())[i] = int32_t(values[i])-((2<<15)-1);
}
return 2*N;
}
/** unsinged int8 -> complex int16. */
static size_t _uint8_cint16(const RawBuffer &in, const RawBuffer &out) {
size_t N = in.bytesLen();
@ -201,30 +234,6 @@ protected:
return 4*N;
}
/** complex unsigned int8 -> complex int16. */
static size_t _cuint8_cint16(const RawBuffer &in, const RawBuffer &out) {
size_t N = in.bytesLen()/2;
std::complex<uint8_t> *values = reinterpret_cast<std::complex<uint8_t> *>(in.data());
for (size_t i=0; i<N; i++) {
reinterpret_cast<std::complex<int16_t> *>(out.data())[i] =
std::complex<int16_t>((int16_t(values[i].real())-127)*(1<<8),
(int16_t(values[i].imag())-127)*(1<<8));
}
return 4*N;
}
/** complex int8 -> complex int16. */
static size_t _cint8_cint16(const RawBuffer &in, const RawBuffer &out) {
size_t N = in.bytesLen()/2;
std::complex<int8_t> *values = reinterpret_cast<std::complex<int8_t> *>(in.data());
for (size_t i=0; i<N; i++) {
reinterpret_cast<std::complex<int16_t> *>(out.data())[i] =
std::complex<int16_t>(int16_t(values[i].real())*(1<<8),
int16_t(values[i].imag())*(1<<8));
}
return 4*N;
}
/** uint16 -> complex int16. */
static size_t _uint16_cint16(const RawBuffer &in, const RawBuffer &out) {
size_t N = in.bytesLen()/2;

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