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vf_format: allow forcing aspect ratio 

Makes vf_dsize completely useless. Unfortunately, even our "official"
encoding profiles still use it.
This commit is contained in:
wm4 2015-04-03 00:06:29 +02:00
parent 8585845c64
commit 8fbc64f74e
2 changed files with 9 additions and 0 deletions
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5
DOCS/man/vf.rst
View File

@ -319,6 +319,11 @@ Available filters are:
the video is scaled in both directions instead of just changing the
aspect ratio is an implementation detail, and might change later.
``<dar>``
Set the display aspect ratio of the video frame. This is a float,
but values such as ``[16:9]`` can be passed too (``[...]`` for quoting
to prevent the option parser from interpreting the ``:`` character).
``noformat[=fmt]``
Restricts the color space for the next filter without doing any conversion.

4
video/filter/vf_format.c
View File

@ -42,6 +42,7 @@ struct vf_priv_s {
int stereo_out;
int rotate;
int dw, dh;
double dar;
};
static bool is_compatible(int fmt1, int fmt2)
@ -104,6 +105,8 @@ static int reconfig(struct vf_instance *vf, struct mp_image_params *in,
out->d_w = p->dw;
if (p->dh > 0)
out->d_h = p->dh;
if (p->dar > 0)
vf_set_dar(&out->d_w, &out->d_h, out->w, out->h, p->dar);
// Make sure the user-overrides are consistent (no RGB csp for YUV, etc.).
mp_image_params_guess_csp(out);
@ -140,6 +143,7 @@ static const m_option_t vf_opts_fields[] = {
OPT_INTRANGE("rotate", rotate, 0, -1, 359),
OPT_INT("dw", dw, 0),
OPT_INT("dh", dh, 0),
OPT_DOUBLE("dar", dar, 0),
{0}
};