// 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); }