// This is a simple wrapper around ::VSAPI::registerFormat(), so the plug-in
// emits and error message instead of crashing when inconsistent arguments
// are passed to the function.
const VSFormat * FilterBase::register_format (int color_family, int sample_type, int bits_per_sample, int sub_sampling_w, int sub_sampling_h, ::VSCore &core) const
{
// Copy of the beginning of VSCore::registerFormat()
if ( sub_sampling_h < 0 || sub_sampling_w < 0
|| sub_sampling_h > 4 || sub_sampling_w > 4)
{
throw_rt_err ("Nonsense format registration");
}
if (sample_type < 0 || sample_type > 1)
{
throw_rt_err ("Invalid sample type");
}
if (color_family ==:: cmRGB && (sub_sampling_h != 0 || sub_sampling_w != 0))
{
throw_rt_err ("We do not like subsampled rgb around here");
}
if (sample_type == ::stFloat && ( bits_per_sample != 16
&& bits_per_sample != 32))
{
throw_rt_err ("Only floating point formats with 16 or 32 bit precision are allowed");
}
if (bits_per_sample < 8 || bits_per_sample > 32)
{
throw_rt_err ("Only formats with 8-32 bits per sample are allowed");
}
if (color_family == ::cmCompat)
{
throw_rt_err ("No compatibility formats may be registered");
}
return (_vsapi.registerFormat (
color_family,
sample_type,
bits_per_sample,
sub_sampling_w,
sub_sampling_h,
&core
));
}
void Convert::retrieve_output_colorspace (const ::VSMap &in, ::VSMap &out, ::VSCore &core, const ::VSFormat &fmt_src)
{
const ::VSFormat * fmt_dst_ptr = &fmt_src;
// Full colorspace
int csp_dst = get_arg_int (in, out, "csp", ::pfNone);
if (csp_dst != ::pfNone)
{
fmt_dst_ptr = _vsapi.getFormatPreset (csp_dst, &core);
if (fmt_dst_ptr == 0)
{
throw_inval_arg ("unknown output colorspace.");
}
}
int col_fam = fmt_dst_ptr->colorFamily;
int spl_type = fmt_dst_ptr->sampleType;
int bits = fmt_dst_ptr->bitsPerSample;
int ssh = fmt_dst_ptr->subSamplingW;
int ssv = fmt_dst_ptr->subSamplingH;
// Color family
_col_fam = get_arg_int (in, out, "col_fam", col_fam);
// Chroma subsampling
std::string css (get_arg_str (in, out, "css", ""));
if (! css.empty ())
{
const int ret_val = vsutl::conv_str_to_chroma_subspl (ssh, ssv, css);
if (ret_val != 0)
{
throw_inval_arg ("unsupported css value.");
}
}
// Destination bit depth and sample type
bool bits_def_flag = false;
bool flt_def_flag = false;
int flt = (spl_type != ::stInteger) ? 1 : 0;
bits = get_arg_int (in, out, "bits", bits, 0, &bits_def_flag);
flt = get_arg_int (in, out, "flt" , flt, 0, &flt_def_flag );
spl_type = (flt != 0) ? ::stFloat : ::stInteger;
if (flt_def_flag && ! bits_def_flag)
{
if (spl_type == ::stFloat)
{
bits = 32;
}
else
{
if (bits > 16)
{
throw_inval_arg (
"Cannot deduce the output bitdepth. Please specify it."
);
}
}
}
else if (bits_def_flag && ! flt_def_flag)
{
if (bits >= 32)
{
spl_type = ::stFloat;
}
else
{
spl_type = ::stInteger;
}
}
// Combines the modified parameters and validates the format
try
{
fmt_dst_ptr = register_format (
_col_fam,
spl_type,
bits,
ssh,
ssv,
core
);
}
catch (std::exception &)
{
throw;
}
catch (...)
{
fmt_dst_ptr = 0;
}
if (fmt_dst_ptr == 0)
{
throw_rt_err (
"couldn\'t get a pixel format identifier for the output clip."
);
}
_vi_out.format = fmt_dst_ptr;
}
const ::VSFormat * Matrix::get_output_colorspace (const ::VSMap &in, ::VSMap &out, ::VSCore &core, const ::VSFormat &fmt_src, int &plane_out, bool &force_col_fam_flag) const
{
assert (&in != 0);
assert (&out != 0);
assert (&core != 0);
assert (&fmt_src != 0);
assert (&plane_out != 0);
force_col_fam_flag = false;
const ::VSFormat * fmt_dst_ptr = &fmt_src;
// Full colorspace
int csp_dst = get_arg_int (in, out, "csp", ::pfNone);
if (csp_dst != ::pfNone)
{
fmt_dst_ptr = _vsapi.getFormatPreset (csp_dst, &core);
if (fmt_dst_ptr == 0)
{
throw_inval_arg ("unknown output colorspace.");
}
else
{
force_col_fam_flag = true;
}
}
int col_fam = fmt_dst_ptr->colorFamily;
int spl_type = fmt_dst_ptr->sampleType;
int bits = fmt_dst_ptr->bitsPerSample;
int ssh = fmt_dst_ptr->subSamplingW;
int ssv = fmt_dst_ptr->subSamplingH;
// Color family
if (is_arg_defined (in, "col_fam"))
{
force_col_fam_flag = true;
col_fam = get_arg_int (in, out, "col_fam", col_fam);
}
if (plane_out >= 0)
{
col_fam = ::cmGray;
}
else if (col_fam == ::cmGray)
{
plane_out = 0;
}
// Destination bit depth
bits = get_arg_int (in, out, "bits", bits);
// Combines the modified parameters and validates the format
try
{
fmt_dst_ptr = register_format (
col_fam,
spl_type,
bits,
ssh,
ssv,
core
);
}
catch (std::exception &)
{
throw;
}
catch (...)
{
fmt_dst_ptr = 0;
}
if (fmt_dst_ptr == 0)
{
throw_rt_err (
"couldn\'t get a pixel format identifier for the output clip."
);
}
return (fmt_dst_ptr);
}
Matrix::Matrix (const ::VSMap &in, ::VSMap &out, void * /*user_data_ptr*/, ::VSCore &core, const ::VSAPI &vsapi)
: vsutl::FilterBase (vsapi, "matrix", ::fmParallel, 0)
, _clip_src_sptr (vsapi.propGetNode (&in, "clip", 0, 0), vsapi)
, _vi_in (*_vsapi.getVideoInfo (_clip_src_sptr.get ()))
, _vi_out (_vi_in)
, _sse_flag (false)
, _sse2_flag (false)
, _avx_flag (false)
, _avx2_flag (false)
, _range_set_src_flag (false)
, _range_set_dst_flag (false)
, _full_range_src_flag (false)
, _full_range_dst_flag (false)
/*, _mat_main ()*/
, _csp_out (fmtcl::ColorSpaceH265_UNSPECIFIED)
, _plane_out (get_arg_int (in, out, "singleout", -1))
, _proc_uptr ()
{
assert (&in != 0);
assert (&out != 0);
assert (&core != 0);
assert (&vsapi != 0);
vsutl::CpuOpt cpu_opt (*this, in, out);
_sse_flag = cpu_opt.has_sse ();
_sse2_flag = cpu_opt.has_sse2 ();
_avx_flag = cpu_opt.has_avx ();
_avx2_flag = cpu_opt.has_avx2 ();
_proc_uptr = std::unique_ptr <fmtcl::MatrixProc> (new fmtcl::MatrixProc (
_sse_flag, _sse2_flag, _avx_flag, _avx2_flag
));
// Checks the input clip
if (_vi_in.format == 0)
{
throw_inval_arg ("only constant pixel formats are supported.");
}
const ::VSFormat & fmt_src = *_vi_in.format;
if (fmt_src.subSamplingW != 0 || fmt_src.subSamplingH != 0)
{
throw_inval_arg ("input must be 4:4:4.");
}
if (fmt_src.numPlanes != NBR_PLANES)
{
throw_inval_arg ("greyscale format not supported as input.");
}
if ( ( fmt_src.sampleType == ::stInteger
&& ( fmt_src.bitsPerSample < 8
|| fmt_src.bitsPerSample > 12)
&& fmt_src.bitsPerSample != 16)
|| ( fmt_src.sampleType == ::stFloat
&& fmt_src.bitsPerSample != 32))
{
throw_inval_arg ("pixel bitdepth not supported.");
}
if (_plane_out >= NBR_PLANES)
{
throw_inval_arg (
"singleout is a plane index and must be -1 or ranging from 0 to 3."
);
}
// Destination colorspace
bool force_col_fam_flag;
const ::VSFormat * fmt_dst_ptr = get_output_colorspace (
in, out, core, fmt_src, _plane_out, force_col_fam_flag
);
if ( fmt_dst_ptr->colorFamily != ::cmGray
&& fmt_dst_ptr->colorFamily != ::cmRGB
&& fmt_dst_ptr->colorFamily != ::cmYUV
&& fmt_dst_ptr->colorFamily != ::cmYCoCg)
{
throw_inval_arg ("unsupported color family for output.");
}
if ( ( fmt_dst_ptr->sampleType == ::stInteger
&& ( fmt_dst_ptr->bitsPerSample < 8
|| fmt_dst_ptr->bitsPerSample > 12)
&& fmt_dst_ptr->bitsPerSample != 16)
|| ( fmt_dst_ptr->sampleType == ::stFloat
&& fmt_dst_ptr->bitsPerSample != 32))
{
throw_inval_arg ("output bitdepth not supported.");
}
if ( fmt_dst_ptr->sampleType != fmt_src.sampleType
|| fmt_dst_ptr->bitsPerSample < fmt_src.bitsPerSample
|| fmt_dst_ptr->subSamplingW != fmt_src.subSamplingW
|| fmt_dst_ptr->subSamplingH != fmt_src.subSamplingH)
{
throw_inval_arg (
"specified output colorspace is not compatible with the input."
);
}
// Preliminary matrix test: deduce the target color family if unspecified
if ( ! force_col_fam_flag
&& fmt_dst_ptr->colorFamily != ::cmGray)
{
int def_count = 0;
def_count += is_arg_defined (in, "mat" ) ? 1 : 0;
def_count += is_arg_defined (in, "mats") ? 1 : 0;
def_count += is_arg_defined (in, "matd") ? 1 : 0;
if (def_count == 1)
{
std::string tmp_mat (get_arg_str (in, out, "mat", ""));
tmp_mat = get_arg_str (in, out, "mats", tmp_mat);
tmp_mat = get_arg_str (in, out, "matd", tmp_mat);
fmtcl::ColorSpaceH265 tmp_csp =
find_cs_from_mat_str (*this, tmp_mat, false);
fmt_dst_ptr = find_dst_col_fam (tmp_csp, fmt_dst_ptr, fmt_src, core);
}
}
// Output format is validated.
_vi_out.format = fmt_dst_ptr;
const ::VSFormat &fmt_dst = *fmt_dst_ptr;
const int nbr_expected_coef = NBR_PLANES * (NBR_PLANES + 1);
bool mat_init_flag = false;
// Matrix presets
std::string mat (get_arg_str (in, out, "mat", ""));
std::string mats (( fmt_src.colorFamily == ::cmYUV ) ? mat : "");
std::string matd (( fmt_dst.colorFamily == ::cmYUV
|| fmt_dst.colorFamily == ::cmGray) ? mat : "");
mats = get_arg_str (in, out, "mats", mats);
matd = get_arg_str (in, out, "matd", matd);
if (! mats.empty () || ! matd.empty ())
{
fstb::conv_to_lower_case (mats);
fstb::conv_to_lower_case (matd);
select_def_mat (mats, fmt_src);
select_def_mat (matd, fmt_dst);
fmtcl::Mat4 m2s;
fmtcl::Mat4 m2d;
make_mat_from_str (m2s, mats, true);
make_mat_from_str (m2d, matd, false);
_csp_out = find_cs_from_mat_str (*this, matd, false);
_mat_main = m2d * m2s;
mat_init_flag = true;
}
// Range
_full_range_src_flag = (get_arg_int (
in, out, "fulls" ,
vsutl::is_full_range_default (fmt_src) ? 1 : 0,
0, &_range_set_src_flag
) != 0);
_full_range_dst_flag = (get_arg_int (
in, out, "fulld",
vsutl::is_full_range_default (fmt_dst) ? 1 : 0,
0, &_range_set_dst_flag
) != 0);
// Custom coefficients
const int nbr_coef = _vsapi.propNumElements (&in, "coef");
const bool custom_mat_flag = (nbr_coef > 0);
if (custom_mat_flag)
{
if (nbr_coef != nbr_expected_coef)
{
throw_inval_arg ("coef has a wrong number of elements.");
}
for (int y = 0; y < NBR_PLANES + 1; ++y)
{
for (int x = 0; x < NBR_PLANES + 1; ++x)
{
_mat_main [y] [x] = (x == y) ? 1 : 0;
if ( (x < fmt_src.numPlanes || x == NBR_PLANES)
&& y < fmt_dst.numPlanes)
{
int err = 0;
const int index = y * (fmt_src.numPlanes + 1) + x;
const double c = _vsapi.propGetFloat (&in, "coef", index, &err);
if (err != 0)
{
throw_rt_err ("error while reading the matrix coefficients.");
}
_mat_main [y] [x] = c;
}
}
}
mat_init_flag = true;
}
if (! mat_init_flag)
{
throw_inval_arg (
"you must specify a matrix preset or a custom coefficient list."
);
}
prepare_coef (fmt_dst, fmt_src);
if (_vsapi.getError (&out) != 0)
{
throw -1;
}
}
const ::VSFormat & Transfer::get_output_colorspace (const ::VSMap &in, ::VSMap &out, ::VSCore &core, const ::VSFormat &fmt_src) const
{
assert (&in != 0);
assert (&out != 0);
assert (&core != 0);
assert (&fmt_src != 0);
const ::VSFormat * fmt_dst_ptr = &fmt_src;
const int undef = -666666666;
const int dst_flt = get_arg_int (in, out, "flt" , undef);
const int dst_bits = get_arg_int (in, out, "bits", undef);
int col_fam = fmt_dst_ptr->colorFamily;
int spl_type = fmt_dst_ptr->sampleType;
int bits = fmt_dst_ptr->bitsPerSample;
int ssh = fmt_dst_ptr->subSamplingW;
int ssv = fmt_dst_ptr->subSamplingH;
// Data type
if (dst_flt == 0)
{
spl_type = ::stInteger;
}
else if (dst_flt != undef)
{
spl_type = ::stFloat;
if (dst_bits == undef)
{
bits = 32;
}
}
// Bitdepth
if (dst_bits != undef)
{
bits = dst_bits;
if (dst_flt == undef)
{
if (bits < 32)
{
spl_type = ::stInteger;
}
else
{
spl_type = ::stFloat;
}
}
}
// Combines the modified parameters and validates the format
try
{
fmt_dst_ptr = register_format (
col_fam,
spl_type,
bits,
ssh,
ssv,
core
);
}
catch (...)
{
fmt_dst_ptr = 0;
}
if (fmt_dst_ptr == 0)
{
throw_rt_err (
"couldn\'t get a pixel format identifier for the output clip."
);
}
return (*fmt_dst_ptr);
}
