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videoscale: Enable 4-tap scaling for all supported formats

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This commit is contained in:
Sebastian Dröge 2009-03-27 13:14:17 +01:00
parent 77795ac240
commit 014f6f1508
1 changed files with 31 additions and 22 deletions
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53
gst/videoscale/gstvideoscale.c
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@ -354,19 +354,6 @@ gst_video_scale_transform_caps (GstBaseTransform * trans,
structure = gst_caps_get_structure (caps, 0);
/* check compatibility of format and method before we copy the input caps */
if (method == GST_VIDEO_SCALE_4TAP) {
guint32 fourcc;
if (!gst_structure_has_name (structure, "video/x-raw-yuv"))
goto method_not_implemented_for_format;
if (!gst_structure_get_fourcc (structure, "format", &fourcc))
goto method_not_implemented_for_format;
if (fourcc != GST_MAKE_FOURCC ('I', '4', '2', '0') &&
fourcc != GST_MAKE_FOURCC ('Y', 'V', '1', '2'))
goto method_not_implemented_for_format;
}
ret = gst_caps_copy (caps);
structure = gst_structure_copy (gst_caps_get_structure (ret, 0));
@ -389,13 +376,6 @@ gst_video_scale_transform_caps (GstBaseTransform * trans,
GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, ret);
return ret;
method_not_implemented_for_format:
{
GST_DEBUG_OBJECT (trans, "method %d not implemented for format %"
GST_PTR_FORMAT ", returning empty caps", method, caps);
return gst_caps_new_empty ();
}
}
static int
@ -836,15 +816,44 @@ gst_video_scale_transform (GstBaseTransform * trans, GstBuffer * in,
case GST_VIDEO_SCALE_4TAP:
GST_LOG_OBJECT (videoscale, "doing 4tap scaling");
switch (videoscale->format) {
case GST_VIDEO_SCALE_RGBx:
case GST_VIDEO_SCALE_xRGB:
case GST_VIDEO_SCALE_BGRx:
case GST_VIDEO_SCALE_xBGR:
case GST_VIDEO_SCALE_RGBA:
case GST_VIDEO_SCALE_ARGB:
case GST_VIDEO_SCALE_BGRA:
case GST_VIDEO_SCALE_ABGR:
case GST_VIDEO_SCALE_AYUV:
vs_image_scale_4tap_RGBA (dest, src, videoscale->tmp_buf);
break;
case GST_VIDEO_SCALE_RGB:
case GST_VIDEO_SCALE_BGR:
vs_image_scale_4tap_RGB (dest, src, videoscale->tmp_buf);
break;
case GST_VIDEO_SCALE_YUY2:
case GST_VIDEO_SCALE_YVYU:
vs_image_scale_4tap_YUYV (dest, src, videoscale->tmp_buf);
break;
case GST_VIDEO_SCALE_UYVY:
vs_image_scale_4tap_UYVY (dest, src, videoscale->tmp_buf);
break;
case GST_VIDEO_SCALE_Y:
vs_image_scale_4tap_Y (dest, src, videoscale->tmp_buf);
break;
case GST_VIDEO_SCALE_I420:
case GST_VIDEO_SCALE_YV12:
vs_image_scale_4tap_Y (dest, src, videoscale->tmp_buf);
vs_image_scale_4tap_Y (&dest_u, &src_u, videoscale->tmp_buf);
vs_image_scale_4tap_Y (&dest_v, &src_v, videoscale->tmp_buf);
break;
case GST_VIDEO_SCALE_RGB565:
vs_image_scale_4tap_RGB565 (dest, src, videoscale->tmp_buf);
break;
case GST_VIDEO_SCALE_RGB555:
vs_image_scale_4tap_RGB555 (dest, src, videoscale->tmp_buf);
break;
default:
/* FIXME: update gst_video_scale_transform_caps once RGB and/or
* other YUV formats work too */
goto unsupported;
}
break;