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Implement I420 (resp. YV12) with YV12 (resp. I420) if the driver does not.

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This commit is contained in:
gb 2010-03-15 17:44:35 +00:00
parent 6bc69b5592
commit 1c965c3340
2 changed files with 59 additions and 3 deletions
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57
sys/vaapiconvert/gstvaapiconvert.c
View file

@ -292,14 +292,41 @@ gst_vaapiconvert_transform_caps(
return NULL;
out_caps = gst_caps_from_string(gst_vaapiconvert_yuv_caps_str);
if (convert->display) {
GstCaps *allowed_caps, *inter_caps;
GstVaapiImageFormat fixup_format;
GstCaps *allowed_caps, *new_caps;
allowed_caps = gst_vaapi_display_get_image_caps(convert->display);
if (!allowed_caps)
return NULL;
inter_caps = gst_caps_intersect(out_caps, allowed_caps);
new_caps = gst_caps_intersect(out_caps, allowed_caps);
gst_caps_unref(allowed_caps);
gst_caps_unref(out_caps);
out_caps = inter_caps;
out_caps = new_caps;
convert->has_YV12 = gst_vaapi_display_has_image_format(
convert->display,
GST_VAAPI_IMAGE_YV12
);
convert->has_I420 = gst_vaapi_display_has_image_format(
convert->display,
GST_VAAPI_IMAGE_I420
);
if (convert->has_YV12 && !convert->has_I420)
fixup_format = GST_VAAPI_IMAGE_I420;
else if (convert->has_I420 && !convert->has_YV12)
fixup_format = GST_VAAPI_IMAGE_YV12;
else
fixup_format = 0;
if (fixup_format) {
allowed_caps = gst_vaapi_image_format_get_caps(fixup_format);
if (allowed_caps) {
new_caps = gst_caps_union(out_caps, allowed_caps);
gst_caps_unref(allowed_caps);
gst_caps_unref(out_caps);
out_caps = new_caps;
}
}
}
}
@ -321,13 +348,34 @@ gst_vaapiconvert_set_caps(
)
{
GstVaapiConvert * const convert = GST_VAAPICONVERT(trans);
GstCaps *fixed_incaps = NULL;
GstStructure *structure;
gint width, height;
guint32 format;
structure = gst_caps_get_structure(incaps, 0);
gst_structure_get_int(structure, "width", &width);
gst_structure_get_int(structure, "height", &height);
#define GST_FORMAT_YV12 GST_MAKE_FOURCC ('Y', 'V', '1', '2')
#define GST_FORMAT_I420 GST_MAKE_FOURCC ('I', '4', '2', '0')
/* Fix I420 and YV12 formats */
if (gst_structure_get_fourcc(structure, "format", &format)) {
if (format == GST_FORMAT_I420 && !convert->has_I420)
format = GST_FORMAT_YV12;
else if (format == GST_FORMAT_YV12 && !convert->has_YV12)
format = GST_FORMAT_I420;
else
format = 0;
if (format) {
fixed_incaps = gst_caps_copy(incaps);
structure = gst_caps_get_structure(fixed_incaps, 0);
gst_structure_set(structure, "format", GST_TYPE_FOURCC, format, NULL);
incaps = fixed_incaps;
}
}
if (width != convert->image_width || height != convert->image_height) {
if (convert->images)
g_object_unref(convert->images);
@ -347,6 +395,9 @@ gst_vaapiconvert_set_caps(
if (!convert->surfaces)
return FALSE;
}
if (fixed_incaps)
gst_caps_unref(fixed_incaps);
return TRUE;
}

5
sys/vaapiconvert/gstvaapiconvert.h
View file

@ -65,12 +65,17 @@ struct _GstVaapiConvert {
GstBaseTransform parent_instance;
GstVaapiDisplay *display;
GstVaapiImageFormat image_format;
GstVaapiVideoPool *images;
guint image_width;
guint image_height;
GstVaapiVideoPool *surfaces;
guint surface_width;
guint surface_height;
/* XXX: implement YV12 or I420 formats ourselves */
guint has_YV12 : 1;
guint has_I420 : 1;
};
struct _GstVaapiConvertClass {