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videoscale: Add support for Y444, Y42B and Y41B

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This commit is contained in:
Sebastian Dröge 2010-04-23 15:06:13 +02:00
parent 2fb31ad43c
commit 43b370358d
1 changed files with 108 additions and 6 deletions
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114
gst/videoscale/gstvideoscale.c
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@ -87,14 +87,17 @@ static GstStaticCaps gst_video_scale_format_caps[] = {
GST_STATIC_CAPS (GST_VIDEO_CAPS_xRGB),
GST_STATIC_CAPS (GST_VIDEO_CAPS_BGRx),
GST_STATIC_CAPS (GST_VIDEO_CAPS_xBGR),
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("Y444")),
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("v308")),
GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB),
GST_STATIC_CAPS (GST_VIDEO_CAPS_BGR),
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("Y42B")),
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("YUY2")),
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("YVYU")),
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("UYVY")),
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420")),
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("YV12")),
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("Y41B")),
GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB_16),
GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB_15),
GST_STATIC_CAPS ("video/x-raw-gray, "
@ -122,14 +125,17 @@ enum
GST_VIDEO_SCALE_xRGB,
GST_VIDEO_SCALE_BGRx,
GST_VIDEO_SCALE_xBGR,
GST_VIDEO_SCALE_Y444,
GST_VIDEO_SCALE_v308,
GST_VIDEO_SCALE_RGB,
GST_VIDEO_SCALE_BGR,
GST_VIDEO_SCALE_Y42B,
GST_VIDEO_SCALE_YUY2,
GST_VIDEO_SCALE_YVYU,
GST_VIDEO_SCALE_UYVY,
GST_VIDEO_SCALE_I420,
GST_VIDEO_SCALE_YV12,
GST_VIDEO_SCALE_Y41B,
GST_VIDEO_SCALE_RGB565,
GST_VIDEO_SCALE_RGB555,
GST_VIDEO_SCALE_GRAY16,
@ -191,13 +197,9 @@ gst_video_scale_sink_template_factory (void)
static void gst_video_scale_base_init (gpointer g_class);
static void gst_video_scale_class_init (GstVideoScaleClass * klass);
static void gst_video_scale_init (GstVideoScale * videoscale);
static void gst_video_scale_finalize (GstVideoScale * videoscale);
static gboolean gst_video_scale_src_event (GstBaseTransform * trans,
GstEvent * event);
@ -425,18 +427,34 @@ gst_video_scale_prepare_size (GstVideoScale * videoscale, gint format,
img->stride = img->width * 4;
*size = img->stride * img->height;
break;
case GST_VIDEO_SCALE_Y444:
img->stride = GST_ROUND_UP_4 (img->width);
*size = img->stride * img->height * 3;
break;
case GST_VIDEO_SCALE_RGB:
case GST_VIDEO_SCALE_BGR:
case GST_VIDEO_SCALE_v308:
img->stride = GST_ROUND_UP_4 (img->width * 3);
*size = img->stride * img->height;
break;
case GST_VIDEO_SCALE_Y42B:
img->stride = GST_ROUND_UP_4 (img->width);
*size =
(GST_ROUND_UP_4 (img->width) +
GST_ROUND_UP_8 (img->width)) * img->height;
break;
case GST_VIDEO_SCALE_YUY2:
case GST_VIDEO_SCALE_YVYU:
case GST_VIDEO_SCALE_UYVY:
img->stride = GST_ROUND_UP_4 (img->width * 2);
*size = img->stride * img->height;
break;
case GST_VIDEO_SCALE_Y41B:
img->stride = GST_ROUND_UP_4 (img->width);
*size =
(GST_ROUND_UP_4 (img->width) +
(GST_ROUND_UP_16 (img->width) / 2)) * img->height;
break;
case GST_VIDEO_SCALE_Y:
case GST_VIDEO_SCALE_GRAY8:
img->stride = GST_ROUND_UP_4 (img->width);
@ -708,14 +726,89 @@ gst_video_scale_prepare_image (gint format, GstBuffer * buf,
img_u->height = GST_ROUND_UP_2 (img->height) / 2;
img_u->width = GST_ROUND_UP_2 (img->width) / 2;
img_u->stride = GST_ROUND_UP_4 (img_u->width);
if (interlaced) {
}
memcpy (img_v, img_u, sizeof (*img_v));
img_v->pixels = img_u->pixels + img_u->height * img_u->stride;
if (interlaced && step == 1) {
img_v->pixels += img_v->stride;
img_u->pixels += img_u->stride;
}
if (interlaced) {
img_u->height = (img_u->height / 2) + ((step == 0
&& img_u->height % 2 == 1) ? 1 : 0);
img_u->stride *= 2;
img_v->height = (img_v->height / 2) + ((step == 0
&& img_v->height % 2 == 1) ? 1 : 0);
img_v->stride *= 2;
}
break;
case GST_VIDEO_SCALE_Y444:
img_u->pixels =
GST_BUFFER_DATA (buf) + GST_ROUND_UP_4 (img->width) * img->height;
img_u->height = img->height;
img_u->width = img->width;
img_u->stride = img->stride;
memcpy (img_v, img_u, sizeof (*img_v));
img_v->pixels =
GST_BUFFER_DATA (buf) + GST_ROUND_UP_4 (img->width) * img->height * 2;
if (interlaced && step == 1) {
img_v->pixels += img_v->stride;
img_u->pixels += img_u->stride;
}
if (interlaced) {
img_u->height = (img_u->height / 2) + ((step == 0
&& img_u->height % 2 == 1) ? 1 : 0);
img_u->stride *= 2;
img_v->height = (img_v->height / 2) + ((step == 0
&& img_v->height % 2 == 1) ? 1 : 0);
img_v->stride *= 2;
}
break;
case GST_VIDEO_SCALE_Y42B:
img_u->pixels =
GST_BUFFER_DATA (buf) + GST_ROUND_UP_4 (img->width) * img->height;
img_u->height = img->height;
img_u->width = GST_ROUND_UP_2 (img->width) / 2;
img_u->stride = GST_ROUND_UP_8 (img->width) / 2;
memcpy (img_v, img_u, sizeof (*img_v));
img_v->pixels =
GST_BUFFER_DATA (buf) + (GST_ROUND_UP_4 (img->width) +
(GST_ROUND_UP_8 (img->width) / 2)) * img->height;
if (interlaced && step == 1) {
img_v->pixels += img_v->stride;
img_u->pixels += img_u->stride;
}
if (interlaced) {
img_u->height = (img_u->height / 2) + ((step == 0
&& img_u->height % 2 == 1) ? 1 : 0);
img_u->stride *= 2;
img_v->height = (img_v->height / 2) + ((step == 0
&& img_v->height % 2 == 1) ? 1 : 0);
img_v->stride *= 2;
}
break;
case GST_VIDEO_SCALE_Y41B:
img_u->pixels =
GST_BUFFER_DATA (buf) + GST_ROUND_UP_4 (img->width) * img->height;
img_u->height = img->height;
img_u->width = GST_ROUND_UP_4 (img->width) / 4;
img_u->stride = GST_ROUND_UP_16 (img->width) / 4;
memcpy (img_v, img_u, sizeof (*img_v));
img_v->pixels =
GST_BUFFER_DATA (buf) + (GST_ROUND_UP_4 (img->width) +
(GST_ROUND_UP_16 (img->width) / 4)) * img->height;
if (interlaced && step == 1) {
img_v->pixels += img_v->stride;
img_u->pixels += img_u->stride;
}
if (interlaced) {
img_u->height = (img_u->height / 2) + ((step == 0
&& img_u->height % 2 == 1) ? 1 : 0);
img_u->stride *= 2;
@ -827,6 +920,9 @@ gst_video_scale_transform (GstBaseTransform * trans, GstBuffer * in,
break;
case GST_VIDEO_SCALE_I420:
case GST_VIDEO_SCALE_YV12:
case GST_VIDEO_SCALE_Y444:
case GST_VIDEO_SCALE_Y42B:
case GST_VIDEO_SCALE_Y41B:
vs_image_scale_nearest_Y (&dest, &src, videoscale->tmp_buf);
vs_image_scale_nearest_Y (&dest_u, &src_u, videoscale->tmp_buf);
vs_image_scale_nearest_Y (&dest_v, &src_v, videoscale->tmp_buf);
@ -876,6 +972,9 @@ gst_video_scale_transform (GstBaseTransform * trans, GstBuffer * in,
break;
case GST_VIDEO_SCALE_I420:
case GST_VIDEO_SCALE_YV12:
case GST_VIDEO_SCALE_Y444:
case GST_VIDEO_SCALE_Y42B:
case GST_VIDEO_SCALE_Y41B:
vs_image_scale_linear_Y (&dest, &src, videoscale->tmp_buf);
vs_image_scale_linear_Y (&dest_u, &src_u, videoscale->tmp_buf);
vs_image_scale_linear_Y (&dest_v, &src_v, videoscale->tmp_buf);
@ -925,6 +1024,9 @@ gst_video_scale_transform (GstBaseTransform * trans, GstBuffer * in,
break;
case GST_VIDEO_SCALE_I420:
case GST_VIDEO_SCALE_YV12:
case GST_VIDEO_SCALE_Y444:
case GST_VIDEO_SCALE_Y42B:
case GST_VIDEO_SCALE_Y41B:
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);