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deinterlace: Add mode=auto-strict

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In this mode we will passthrough all progressive caps but interlaced caps must be
caps where we actually support deinterlacing.

This is the only difference between auto and auto-strict, auto would
passthrough all unsupported interlaced caps.

https://bugzilla.gnome.org/show_bug.cgi?id=720388
This commit is contained in:
Sebastian Dröge 2016-01-26 18:05:51 +01:00
parent 2e8d4e8c7a
commit 46735f8de9
2 changed files with 36 additions and 11 deletions
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36
gst/deinterlace/gstdeinterlace.c
View file

@ -237,9 +237,11 @@ gst_deinterlace_modes_get_type (void)
static GType deinterlace_modes_type = 0;
static const GEnumValue modes_types[] = {
{GST_DEINTERLACE_MODE_AUTO, "Auto detection", "auto"},
{GST_DEINTERLACE_MODE_AUTO, "Auto detection (best effort)", "auto"},
{GST_DEINTERLACE_MODE_INTERLACED, "Force deinterlacing", "interlaced"},
{GST_DEINTERLACE_MODE_DISABLED, "Run in passthrough mode", "disabled"},
{GST_DEINTERLACE_MODE_AUTO_STRICT, "Auto detection (strict)",
"auto-strict"},
{0, NULL, NULL},
};
@ -2079,7 +2081,9 @@ gst_deinterlace_acceptcaps (GstDeinterlace * self, GstPad * pad, GstCaps * caps)
/* In AUTO/DISABLED mode we accept everything that is compatible with
* our template caps. In INTERLACED mode we force deinterlacing, meaning
* we can only possibly support the deinterlace caps */
* we can only possibly support the deinterlace caps.
* In AUTO_STRICT mode we accept all progressive formats, but only those
* interlaced format that we can actually deinterlace */
if (self->mode == GST_DEINTERLACE_MODE_DISABLED
|| self->mode == GST_DEINTERLACE_MODE_AUTO) {
ourcaps = gst_pad_get_pad_template_caps (pad);
@ -2089,6 +2093,16 @@ gst_deinterlace_acceptcaps (GstDeinterlace * self, GstPad * pad, GstCaps * caps)
ourcaps = gst_static_caps_get (&deinterlace_caps);
ret = gst_caps_can_intersect (caps, ourcaps);
gst_caps_unref (ourcaps);
} else if (self->mode == GST_DEINTERLACE_MODE_AUTO_STRICT) {
ourcaps = gst_static_caps_get (&progressive_caps);
ret = gst_caps_can_intersect (caps, ourcaps);
gst_caps_unref (ourcaps);
if (!ret) {
ourcaps = gst_static_caps_get (&deinterlace_caps);
ret = gst_caps_can_intersect (caps, ourcaps);
gst_caps_unref (ourcaps);
}
} else {
g_assert_not_reached ();
}
@ -2299,7 +2313,8 @@ gst_deinterlace_getcaps (GstDeinterlace * self, GstPad * pad, GstCaps * filter)
goto done;
}
g_assert (self->mode == GST_DEINTERLACE_MODE_AUTO);
g_assert (self->mode == GST_DEINTERLACE_MODE_AUTO
|| self->mode == GST_DEINTERLACE_MODE_AUTO_STRICT);
/* For the auto mode we have to do a bit more than that */
ret = gst_caps_new_empty ();
@ -2349,9 +2364,10 @@ gst_deinterlace_getcaps (GstDeinterlace * self, GstPad * pad, GstCaps * filter)
tmp2 = NULL;
/* or
* - anything else in which case we would just passthrough again. Remember
* we're here only in AUTO mode, which is best-effort deinterlacing
* - anything else in which case we would just passthrough again if we're
* only in AUTO and not AUTO_STRICT mode
*/
if (self->mode == GST_DEINTERLACE_MODE_AUTO)
ret = gst_caps_merge (ret, gst_caps_copy (caps));
gst_caps_unref (caps);
@ -2529,7 +2545,8 @@ gst_deinterlace_setcaps (GstDeinterlace * self, GstPad * pad, GstCaps * caps)
self->passthrough = FALSE;
GST_DEBUG_OBJECT (self, "Not passthrough because mode=interlaced");
} else if (self->mode == GST_DEINTERLACE_MODE_AUTO) {
} else if (self->mode == GST_DEINTERLACE_MODE_AUTO
|| self->mode == GST_DEINTERLACE_MODE_AUTO_STRICT) {
GstCaps *tmp = gst_static_caps_get (&deinterlace_caps);
/* Already progressive? Passthrough */
@ -2542,9 +2559,16 @@ gst_deinterlace_setcaps (GstDeinterlace * self, GstPad * pad, GstCaps * caps)
"Not passthrough because mode=auto and interlaced caps");
self->passthrough = FALSE;
} else {
if (self->mode == GST_DEINTERLACE_MODE_AUTO) {
GST_WARNING_OBJECT (self,
"Passthrough because mode=auto and unsupported interlaced caps");
self->passthrough = TRUE;
} else {
gst_caps_unref (tmp);
GST_ERROR_OBJECT (self,
"Unsupported interlaced caps in mode=auto-strict");
goto invalid_caps;
}
}
gst_caps_unref (tmp);

3
gst/deinterlace/gstdeinterlace.h
View file

@ -76,7 +76,8 @@ typedef enum
typedef enum {
GST_DEINTERLACE_MODE_AUTO,
GST_DEINTERLACE_MODE_INTERLACED,
GST_DEINTERLACE_MODE_DISABLED
GST_DEINTERLACE_MODE_DISABLED,
GST_DEINTERLACE_MODE_AUTO_STRICT
} GstDeinterlaceMode;
typedef enum