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https://github.com/mpv-player/mpv
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aa6ba6372c
According to DOCS/OUTDATED-tech/colorspaces.txt, the following formats
are supposed to be palettized:
IMGFMT_BGR8
IMGFMT_RGB8,
IMGFMT_BGR4_CHAR
IMGFMT_RGB4_CHAR
IMGFMT_BGR4
IMGFMT_RGB4
Of these, only BGR8 and RGB8 are actually treated as palettized in some
way. ffmpeg has only one palettized format (AV_PIX_FMT_PAL8), and
IMGFMT_BGR8 was inconsistently mapped to packed non-palettized RGB
formats too (AV_PIX_FMT_BGR8). Moreover, vf_scale.c contained messy
hacks to generate a palette when AV_PIX_FMT_BGR8 is output. (libswscale
does not support AV_PIX_FMT_PAL8 output in the first place.)
Get rid of all of this, and introduce IMGFMT_PAL8, which directly maps
to AV_PIX_FMT_PAL8. Remove the palette creation code from vf_scale.c.
IMGFMT_BGR8 maps to AV_PIX_FMT_RGB8 (don't ask me why it's swapped),
without any palette use. Enabling it in vo_x11 or using it as vf_scale
input seems to give correct results.
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|---|---|---|
| .. | ||
| pullup.c | ||
| pullup.h | ||
| vf_crop.c | ||
| vf_delogo.c | ||
| vf_divtc.c | ||
| vf_dlopen.c | ||
| vf_dlopen.h | ||
| vf_down3dright.c | ||
| vf_dsize.c | ||
| vf_eq.c | ||
| vf_expand.c | ||
| vf_flip.c | ||
| vf_format.c | ||
| vf_gradfun.c | ||
| vf_hqdn3d.c | ||
| vf_ilpack.c | ||
| vf_mirror.c | ||
| vf_noformat.c | ||
| vf_noise.c | ||
| vf_phase.c | ||
| vf_pp.c | ||
| vf_pullup.c | ||
| vf_rotate.c | ||
| vf_scale.c | ||
| vf_screenshot.c | ||
| vf_softpulldown.c | ||
| vf_stereo3d.c | ||
| vf_sub.c | ||
| vf_swapuv.c | ||
| vf_unsharp.c | ||
| vf_vo.c | ||
| vf_yadif.c | ||
| vf.c | ||
| vf.h | ||