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Nov 3, 2020 . 1 changed file with 12 additions and 12 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,19 +1,19 @@ from vapoursynth import core, RGBS, YUV444PS __version__ = '1.1.1' def hdr2sdr(clip, source_peak=1000, ldr_nits=100, output_foramt=YUV420P8, input_range='limited', output_range='limited', dither='error_diffusion'): """Converts HDR footage to SDR. https://forum.doom9.org/showthread.php?p=1800667#post1800667 Args: ldr_nits: Set at 150 or 200 to lower the brightness. """ clip = core.resize.Bicubic(clip, format=YUV444PS, range_in_s=input_range, range_s='full', chromaloc_in_s='center', dither_type='none') clip = core.resize.Bicubic(clip, format=RGBS, matrix_in_s='2020ncl', range_in_s='full', dither_type='none') clip = core.resize.Bicubic(clip, format=RGBS, transfer_in_s='st2084', transfer_s='linear', dither_type='none', nominal_luminance=source_peak) exposure_bias = source_peak / ldr_nits @@ -27,14 +27,14 @@ def hdr2sdr(clip, source_peak=1000, ldr_nits=100, output_foramt=vs.YUV420P8, inp # ["W"] = 11.2 # ((x * (A*x + C*B) + D*E) / (x * (A*x+B) + D*F)) - E/F" tm = core.std.Expr(clip, expr='x {eb} * 0.22 x {eb} * * 0.03 + * 0.002 + x {eb} * 0.22 x {eb} * * 0.3 + * 0.06 + / 0.01 0.30 / -'.format(eb=exposure_bias), format=RGBS) w = core.std.Expr(clip, expr='{eb} 0.22 {eb} * 0.03 + * 0.002 + {eb} 0.22 {eb} * 0.3 + * 0.06 + / 0.01 0.30 / -'.format(eb=exposure_bias), format=RGBS) clip = core.std.Expr([tm, w], expr='x 1 y / *', format=RGBS) clip = core.resize.Bicubic(clip, format=RGBS, primaries_in_s='2020', primaries_s='709', dither_type=dither) clip = core.resize.Bicubic(clip, format=RGBS, transfer_in_s='linear', transfer_s='709', dither_type=dither) clip = core.resize.Bicubic(clip, format=output_foramt, matrix_s='709', range_in_s='full', range_s=output_range, chromaloc_in_s='center') return clip -
Mar 15, 2017 . 1 changed file with 20 additions and 4 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,19 +1,35 @@ import vapoursynth as vs __version__ = '1.1' def hdr2sdr(clip, source_peak=1000, ldr_nits=100, output_foramt=vs.YUV420P8, input_range='limited', output_range='limited', dither='error_diffusion'): """Converts HDR footage to SDR. https://forum.doom9.org/showthread.php?p=1800667#post1800667 Args: ldr_nits: Set at 150 or 200 to lower the brightness. """ core = vs.get_core() clip = core.resize.Bicubic(clip, format=vs.YUV444PS, range_in_s=input_range, range_s='full', chromaloc_in_s='center', dither_type='none') clip = core.resize.Bicubic(clip, format=vs.RGBS, matrix_in_s='2020ncl', range_in_s='full', dither_type='none') clip = core.resize.Bicubic(clip, format=vs.RGBS, transfer_in_s='st2084', transfer_s='linear', dither_type='none', nominal_luminance=source_peak) exposure_bias = source_peak / ldr_nits # hable tone mapping correct parameters # ["A"] = 0.22 # ["B"] = 0.3 # ["C"] = 0.1 # ["D"] = 0.2 # ["E"] = 0.01 # ["F"] = 0.3 # ["W"] = 11.2 # ((x * (A*x + C*B) + D*E) / (x * (A*x+B) + D*F)) - E/F" tm = core.std.Expr(clip, expr='x {eb} * 0.22 x {eb} * * 0.03 + * 0.002 + x {eb} * 0.22 x {eb} * * 0.3 + * 0.06 + / 0.01 0.30 / -'.format(eb=exposure_bias), format=vs.RGBS) w = core.std.Expr(clip, expr='{eb} 0.22 {eb} * 0.03 + * 0.002 + {eb} 0.22 {eb} * 0.3 + * 0.06 + / 0.01 0.30 / -'.format(eb=exposure_bias), format=vs.RGBS) clip = core.std.Expr([tm, w], expr='x 1 y / *', format=vs.RGBS) -
Mar 15, 2017 .There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,24 @@ import vapoursynth as vs def hdr2sdr(clip, source_peak=1200, output_foramt=vs.YUV420P8, input_range='limited', output_range='limited', dither='error_diffusion'): """Converts HDR footage to SDR. https://forum.doom9.org/showthread.php?p=1800667#post1800667 """ core = vs.get_core() clip = core.resize.Bicubic(clip, format=vs.YUV444PS, range_in_s=input_range, range_s='full', chromaloc_in_s='center', dither_type='none') clip = core.resize.Bicubic(clip, format=vs.RGBS, matrix_in_s='2020ncl', range_in_s='full', dither_type='none') clip = core.resize.Bicubic(clip, format=vs.RGBS, transfer_in_s='st2084', transfer_s='linear', dither_type='none', nominal_luminance=source_peak) exposure_bias = source_peak / 100 tm = core.std.Expr(clip, expr='x {eb} * 0.15 x {eb} * * 0.05 + * 0.004 + x {eb} * 0.15 x {eb} * * 0.50 + * 0.06 + / 0.02 0.30 / -'.format(eb=exposure_bias), format=vs.RGBS) w = core.std.Expr(clip, expr='{eb} 0.15 {eb} * 0.05 + * 0.004 + {eb} 0.15 {eb} * 0.50 + * 0.06 + / 0.02 0.30 / -'.format(eb=exposure_bias), format=vs.RGBS) clip = core.std.Expr([tm, w], expr='x 1 y / *', format=vs.RGBS) clip = core.resize.Bicubic(clip, format=vs.RGBS, primaries_in_s='2020', primaries_s='709', dither_type=dither) clip = core.resize.Bicubic(clip, format=vs.RGBS, transfer_in_s='linear', transfer_s='709', dither_type=dither) clip = core.resize.Bicubic(clip, format=output_foramt, matrix_s='709', range_in_s='full', range_s=output_range, chromaloc_in_s='center') return clip