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command.c: new subproperties for video-params: bpp and depth

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bpp(bits-per-pixel) and depth(bit-depth for color component) can
be calculated from pixelformat technically but it requires massive
informations to be implemented in client side.

These subproperties are provided for convenience.
This commit is contained in:
xylosper 2015-01-10 20:29:10 +09:00 committed by wm4
parent 69dad662c9
commit 242558bec1
2 changed files with 18 additions and 0 deletions
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6
DOCS/man/input.rst
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@ -1119,6 +1119,12 @@ Property list
The pixel format as string. This uses the same names as used in other
places of mpv.
``video-params/bpp``
Bits-per-pixel as integer.
``video-params/depth``
Bit depth for each color component as integer.
``video-params/w``, ``video-params/h``
Video size as integers, with no aspect correction applied.

12
player/command.c
View File

@ -2396,8 +2396,20 @@ static int property_imgparams(struct mp_image_params p, int action, void *arg)
double dar = p.d_w / (double)p.d_h;
double sar = p.w / (double)p.h;
const struct mp_imgfmt_desc desc = mp_imgfmt_get_desc(p.imgfmt);
int bpp = 0;
// unknown bpp for hwdec
if (!IMGFMT_IS_HWACCEL(desc.id)) {
for (int i=0; i<desc.num_planes; ++i)
bpp += desc.bpp[i] >> (desc.xs[i] + desc.ys[i]);
}
// hwdec supports 8bit depth only
const int depth = IMGFMT_IS_HWACCEL(desc.id) ? 8 : desc.plane_bits;
struct m_sub_property props[] = {
{"pixelformat", SUB_PROP_STR(mp_imgfmt_to_name(p.imgfmt))},
{"bpp", SUB_PROP_INT(bpp)},
{"depth", SUB_PROP_INT(depth)},
{"w", SUB_PROP_INT(p.w)},
{"h", SUB_PROP_INT(p.h)},
{"dw", SUB_PROP_INT(p.d_w)},