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player: fix breakage when combining 3D and rotate auto-filters 

This would get stuck in reconfiguring the filter chain forever, because
params was mutated ("params.rotate = 0;"). This was used as input for
vf_reconfig(), but the filter chain input must always be equivalent to
the decoder output, or filter chain reconfiguration will be triggered.
The line of code to reset the rotation is from a time when this used to
work differently.

Also remove the unnecessary try_filter() parameter.
This commit is contained in:
wm4 2016-03-28 19:39:33 +02:00
parent cdd30fd0ab
commit d73d5327b3
1 changed files with 5 additions and 9 deletions
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14
player/video.c
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@ -136,8 +136,7 @@ static void set_allowed_vo_formats(struct vo_chain *vo_c)
vo_query_formats(vo_c->vo, vo_c->vf->allowed_output_formats);
}
static int try_filter(struct vo_chain *vo_c, struct mp_image_params params,
char *name, char *label, char **args)
static int try_filter(struct vo_chain *vo_c, char *name, char *label, char **args)
{
struct vf_instance *vf = vf_append_filter(vo_c->vf, name, args);
if (!vf)
@ -145,10 +144,10 @@ static int try_filter(struct vo_chain *vo_c, struct mp_image_params params,
vf->label = talloc_strdup(vf, label);
if (vf_reconfig(vo_c->vf, &params) < 0) {
if (vf_reconfig(vo_c->vf, &vo_c->input_format) < 0) {
vf_remove_filter(vo_c->vf, vf);
// restore
vf_reconfig(vo_c->vf, &params);
vf_reconfig(vo_c->vf, &vo_c->input_format);
return -1;
}
return 0;
@ -180,11 +179,8 @@ static void filter_reconfig(struct vo_chain *vo_c)
if (!(vo_c->vo->driver->caps & VO_CAP_ROTATE90)) {
// Try to insert a rotation filter.
char *args[] = {"angle", "auto", NULL};
if (try_filter(vo_c, params, "rotate", "autorotate", args) >= 0) {
params.rotate = 0;
} else {
if (try_filter(vo_c, "rotate", "autorotate", args) < 0)
MP_ERR(vo_c, "Can't insert rotation filter.\n");
}
}
}
@ -194,7 +190,7 @@ static void filter_reconfig(struct vo_chain *vo_c)
char *to = (char *)MP_STEREO3D_NAME(params.stereo_out);
if (to) {
char *args[] = {"in", "auto", "out", to, NULL, NULL};
if (try_filter(vo_c, params, "stereo3d", "autostereo3d", args) < 0)
if (try_filter(vo_c, "stereo3d", "autostereo3d", args) < 0)
MP_ERR(vo_c, "Can't insert 3D conversion filter.\n");
}
}