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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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videoscale: Add support for interlaced content
videoscale is not mixing content of two seperate fields anymore and does scaling on every field separately. Fixes bug #588761.
This commit is contained in:
Sebastian Dröge
parent
0a8bb8cb53
commit
33c490f4b9
2 changed files with 212 additions and 170 deletions
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@ -494,7 +494,8 @@ unknown_format:
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}
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static gboolean
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parse_caps (GstCaps * caps, gint * format, gint * width, gint * height)
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parse_caps (GstCaps * caps, gint * format, gint * width, gint * height,
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gboolean * interlaced)
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{
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gboolean ret;
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GstStructure *structure;
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@ -506,6 +507,11 @@ parse_caps (GstCaps * caps, gint * format, gint * width, gint * height)
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if (format)
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*format = gst_video_scale_get_format (caps);
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if (interlaced) {
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*interlaced = FALSE;
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gst_structure_get_boolean (structure, "interlaced", interlaced);
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}
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return ret;
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}
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@ -518,8 +524,10 @@ gst_video_scale_set_caps (GstBaseTransform * trans, GstCaps * in, GstCaps * out)
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videoscale = GST_VIDEO_SCALE (trans);
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ret = parse_caps (in, &videoscale->format, &videoscale->from_width,
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&videoscale->from_height);
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ret &= parse_caps (out, NULL, &videoscale->to_width, &videoscale->to_height);
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&videoscale->from_height, &videoscale->interlaced);
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ret &=
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parse_caps (out, NULL, &videoscale->to_width, &videoscale->to_height,
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NULL);
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if (!ret)
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goto done;
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@ -561,7 +569,7 @@ gst_video_scale_get_unit_size (GstBaseTransform * trans, GstCaps * caps,
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videoscale = GST_VIDEO_SCALE (trans);
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if (!parse_caps (caps, &format, &width, &height))
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if (!parse_caps (caps, &format, &width, &height, NULL))
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return FALSE;
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if (!gst_video_scale_prepare_size (videoscale, format, &img, width, height,
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@ -696,7 +704,8 @@ gst_video_scale_fixate_caps (GstBaseTransform * base, GstPadDirection direction,
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static gboolean
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gst_video_scale_prepare_image (gint format, GstBuffer * buf,
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VSImage * img, VSImage * img_u, VSImage * img_v)
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VSImage * img, VSImage * img_u, VSImage * img_v, gint step,
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gboolean interlaced)
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{
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gboolean res = TRUE;
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@ -707,10 +716,19 @@ gst_video_scale_prepare_image (gint format, GstBuffer * buf,
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case GST_VIDEO_SCALE_YV12:
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img_u->pixels = img->pixels + GST_ROUND_UP_2 (img->height) * img->stride;
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img_u->height = GST_ROUND_UP_2 (img->height) / 2;
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if (interlaced) {
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img_u->height = (img_u->height / 2) + ((step == 0
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&& img_u->height % 2 == 1) ? 1 : 0);
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img_u->stride *= 2;
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}
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img_u->width = GST_ROUND_UP_2 (img->width) / 2;
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img_u->stride = GST_ROUND_UP_4 (img_u->width);
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memcpy (img_v, img_u, sizeof (*img_v));
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img_v->pixels = img_u->pixels + img_u->height * img_u->stride;
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if (interlaced && step == 1) {
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img_v->pixels += (img_v->stride / 2);
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img_u->pixels += (img_u->stride / 2);
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}
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break;
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default:
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break;
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@ -722,182 +740,205 @@ static GstFlowReturn
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gst_video_scale_transform (GstBaseTransform * trans, GstBuffer * in,
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GstBuffer * out)
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{
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GstVideoScale *videoscale;
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GstVideoScale *videoscale = GST_VIDEO_SCALE (trans);
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GstFlowReturn ret = GST_FLOW_OK;
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VSImage *dest;
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VSImage *src;
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VSImage dest_u;
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VSImage dest_v;
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VSImage src_u;
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VSImage src_v;
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VSImage dest = videoscale->dest;
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VSImage src = videoscale->src;
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VSImage dest_u = { NULL, };
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VSImage dest_v = { NULL, };
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VSImage src_u = { NULL, };
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VSImage src_v = { NULL, };
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gint method;
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videoscale = GST_VIDEO_SCALE (trans);
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gint step;
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gboolean interlaced = videoscale->interlaced;
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GST_OBJECT_LOCK (videoscale);
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method = videoscale->method;
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GST_OBJECT_UNLOCK (videoscale);
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src = &videoscale->src;
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dest = &videoscale->dest;
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gst_video_scale_prepare_image (videoscale->format, in, src, &src_u, &src_v);
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gst_video_scale_prepare_image (videoscale->format, out, dest, &dest_u,
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&dest_v);
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if (src->height < 4 && method == GST_VIDEO_SCALE_4TAP)
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if (src.height < 4 && method == GST_VIDEO_SCALE_4TAP)
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method = GST_VIDEO_SCALE_BILINEAR;
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switch (method) {
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case GST_VIDEO_SCALE_NEAREST:
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GST_LOG_OBJECT (videoscale, "doing nearest scaling");
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switch (videoscale->format) {
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case GST_VIDEO_SCALE_RGBx:
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case GST_VIDEO_SCALE_xRGB:
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case GST_VIDEO_SCALE_BGRx:
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case GST_VIDEO_SCALE_xBGR:
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case GST_VIDEO_SCALE_RGBA:
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case GST_VIDEO_SCALE_ARGB:
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case GST_VIDEO_SCALE_BGRA:
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case GST_VIDEO_SCALE_ABGR:
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case GST_VIDEO_SCALE_AYUV:
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vs_image_scale_nearest_RGBA (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_RGB:
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case GST_VIDEO_SCALE_BGR:
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case GST_VIDEO_SCALE_v308:
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vs_image_scale_nearest_RGB (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_YUY2:
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case GST_VIDEO_SCALE_YVYU:
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vs_image_scale_nearest_YUYV (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_UYVY:
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vs_image_scale_nearest_UYVY (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_Y:
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case GST_VIDEO_SCALE_GRAY8:
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vs_image_scale_nearest_Y (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_GRAY16:
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vs_image_scale_nearest_Y16 (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_I420:
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case GST_VIDEO_SCALE_YV12:
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vs_image_scale_nearest_Y (dest, src, videoscale->tmp_buf);
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vs_image_scale_nearest_Y (&dest_u, &src_u, videoscale->tmp_buf);
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vs_image_scale_nearest_Y (&dest_v, &src_v, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_RGB565:
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vs_image_scale_nearest_RGB565 (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_RGB555:
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vs_image_scale_nearest_RGB555 (dest, src, videoscale->tmp_buf);
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break;
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default:
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goto unsupported;
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/* For interlaced content we have to run two times with half height
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* and doubled stride */
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if (videoscale->interlaced) {
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dest.height /= 2;
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src.height /= 2;
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dest.stride *= 2;
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src.stride *= 2;
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}
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for (step = 0; step < (interlaced ? 2 : 1); step++) {
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gst_video_scale_prepare_image (videoscale->format, in, &src, &src_u, &src_v,
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step, interlaced);
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gst_video_scale_prepare_image (videoscale->format, out, &dest, &dest_u,
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&dest_v, step, interlaced);
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if (step == 0 && interlaced) {
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if (videoscale->from_height % 2 == 1) {
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src.height += 1;
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}
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break;
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case GST_VIDEO_SCALE_BILINEAR:
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GST_LOG_OBJECT (videoscale, "doing bilinear scaling");
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switch (videoscale->format) {
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case GST_VIDEO_SCALE_RGBx:
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case GST_VIDEO_SCALE_xRGB:
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case GST_VIDEO_SCALE_BGRx:
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case GST_VIDEO_SCALE_xBGR:
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case GST_VIDEO_SCALE_RGBA:
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case GST_VIDEO_SCALE_ARGB:
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case GST_VIDEO_SCALE_BGRA:
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case GST_VIDEO_SCALE_ABGR:
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case GST_VIDEO_SCALE_AYUV:
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vs_image_scale_linear_RGBA (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_RGB:
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case GST_VIDEO_SCALE_BGR:
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case GST_VIDEO_SCALE_v308:
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vs_image_scale_linear_RGB (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_YUY2:
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case GST_VIDEO_SCALE_YVYU:
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vs_image_scale_linear_YUYV (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_UYVY:
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vs_image_scale_linear_UYVY (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_Y:
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case GST_VIDEO_SCALE_GRAY8:
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vs_image_scale_linear_Y (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_GRAY16:
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vs_image_scale_linear_Y16 (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_I420:
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case GST_VIDEO_SCALE_YV12:
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vs_image_scale_linear_Y (dest, src, videoscale->tmp_buf);
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vs_image_scale_linear_Y (&dest_u, &src_u, videoscale->tmp_buf);
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vs_image_scale_linear_Y (&dest_v, &src_v, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_RGB565:
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vs_image_scale_linear_RGB565 (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_RGB555:
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vs_image_scale_linear_RGB555 (dest, src, videoscale->tmp_buf);
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break;
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default:
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goto unsupported;
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if (videoscale->to_height % 2 == 1) {
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dest.height += 1;
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}
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break;
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case GST_VIDEO_SCALE_4TAP:
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GST_LOG_OBJECT (videoscale, "doing 4tap scaling");
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switch (videoscale->format) {
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case GST_VIDEO_SCALE_RGBx:
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case GST_VIDEO_SCALE_xRGB:
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case GST_VIDEO_SCALE_BGRx:
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case GST_VIDEO_SCALE_xBGR:
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case GST_VIDEO_SCALE_RGBA:
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case GST_VIDEO_SCALE_ARGB:
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case GST_VIDEO_SCALE_BGRA:
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case GST_VIDEO_SCALE_ABGR:
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case GST_VIDEO_SCALE_AYUV:
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vs_image_scale_4tap_RGBA (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_RGB:
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case GST_VIDEO_SCALE_BGR:
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case GST_VIDEO_SCALE_v308:
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vs_image_scale_4tap_RGB (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_YUY2:
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case GST_VIDEO_SCALE_YVYU:
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vs_image_scale_4tap_YUYV (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_UYVY:
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vs_image_scale_4tap_UYVY (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_Y:
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case GST_VIDEO_SCALE_GRAY8:
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vs_image_scale_4tap_Y (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_GRAY16:
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vs_image_scale_4tap_Y16 (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_I420:
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case GST_VIDEO_SCALE_YV12:
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vs_image_scale_4tap_Y (dest, src, videoscale->tmp_buf);
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vs_image_scale_4tap_Y (&dest_u, &src_u, videoscale->tmp_buf);
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vs_image_scale_4tap_Y (&dest_v, &src_v, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_RGB565:
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vs_image_scale_4tap_RGB565 (dest, src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_RGB555:
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vs_image_scale_4tap_RGB555 (dest, src, videoscale->tmp_buf);
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break;
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default:
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goto unsupported;
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}
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break;
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default:
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goto unknown_mode;
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} else if (step == 1 && interlaced) {
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src.pixels += (src.stride / 2);
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dest.pixels += (dest.stride / 2);
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}
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switch (method) {
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case GST_VIDEO_SCALE_NEAREST:
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GST_LOG_OBJECT (videoscale, "doing nearest scaling");
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switch (videoscale->format) {
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case GST_VIDEO_SCALE_RGBx:
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case GST_VIDEO_SCALE_xRGB:
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case GST_VIDEO_SCALE_BGRx:
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case GST_VIDEO_SCALE_xBGR:
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case GST_VIDEO_SCALE_RGBA:
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case GST_VIDEO_SCALE_ARGB:
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case GST_VIDEO_SCALE_BGRA:
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case GST_VIDEO_SCALE_ABGR:
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case GST_VIDEO_SCALE_AYUV:
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vs_image_scale_nearest_RGBA (&dest, &src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_RGB:
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case GST_VIDEO_SCALE_BGR:
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case GST_VIDEO_SCALE_v308:
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vs_image_scale_nearest_RGB (&dest, &src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_YUY2:
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case GST_VIDEO_SCALE_YVYU:
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vs_image_scale_nearest_YUYV (&dest, &src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_UYVY:
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vs_image_scale_nearest_UYVY (&dest, &src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_Y:
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case GST_VIDEO_SCALE_GRAY8:
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vs_image_scale_nearest_Y (&dest, &src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_GRAY16:
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vs_image_scale_nearest_Y16 (&dest, &src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_I420:
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case GST_VIDEO_SCALE_YV12:
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vs_image_scale_nearest_Y (&dest, &src, videoscale->tmp_buf);
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vs_image_scale_nearest_Y (&dest_u, &src_u, videoscale->tmp_buf);
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vs_image_scale_nearest_Y (&dest_v, &src_v, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_RGB565:
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vs_image_scale_nearest_RGB565 (&dest, &src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_RGB555:
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vs_image_scale_nearest_RGB555 (&dest, &src, videoscale->tmp_buf);
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break;
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default:
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goto unsupported;
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}
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break;
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case GST_VIDEO_SCALE_BILINEAR:
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GST_LOG_OBJECT (videoscale, "doing bilinear scaling");
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switch (videoscale->format) {
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case GST_VIDEO_SCALE_RGBx:
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case GST_VIDEO_SCALE_xRGB:
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case GST_VIDEO_SCALE_BGRx:
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case GST_VIDEO_SCALE_xBGR:
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case GST_VIDEO_SCALE_RGBA:
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case GST_VIDEO_SCALE_ARGB:
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case GST_VIDEO_SCALE_BGRA:
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case GST_VIDEO_SCALE_ABGR:
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case GST_VIDEO_SCALE_AYUV:
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vs_image_scale_linear_RGBA (&dest, &src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_RGB:
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case GST_VIDEO_SCALE_BGR:
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case GST_VIDEO_SCALE_v308:
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vs_image_scale_linear_RGB (&dest, &src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_YUY2:
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case GST_VIDEO_SCALE_YVYU:
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vs_image_scale_linear_YUYV (&dest, &src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_UYVY:
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vs_image_scale_linear_UYVY (&dest, &src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_Y:
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case GST_VIDEO_SCALE_GRAY8:
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vs_image_scale_linear_Y (&dest, &src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_GRAY16:
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vs_image_scale_linear_Y16 (&dest, &src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_I420:
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case GST_VIDEO_SCALE_YV12:
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vs_image_scale_linear_Y (&dest, &src, videoscale->tmp_buf);
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vs_image_scale_linear_Y (&dest_u, &src_u, videoscale->tmp_buf);
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vs_image_scale_linear_Y (&dest_v, &src_v, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_RGB565:
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vs_image_scale_linear_RGB565 (&dest, &src, videoscale->tmp_buf);
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break;
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case GST_VIDEO_SCALE_RGB555:
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vs_image_scale_linear_RGB555 (&dest, &src, videoscale->tmp_buf);
|
||||
break;
|
||||
default:
|
||||
goto unsupported;
|
||||
}
|
||||
break;
|
||||
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:
|
||||
case GST_VIDEO_SCALE_v308:
|
||||
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:
|
||||
case GST_VIDEO_SCALE_GRAY8:
|
||||
vs_image_scale_4tap_Y (&dest, &src, videoscale->tmp_buf);
|
||||
break;
|
||||
case GST_VIDEO_SCALE_GRAY16:
|
||||
vs_image_scale_4tap_Y16 (&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:
|
||||
goto unsupported;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
goto unknown_mode;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
GST_LOG_OBJECT (videoscale, "pushing buffer of %d bytes",
|
||||
|
|
|
|||
|
|
@ -78,6 +78,7 @@ struct _GstVideoScale {
|
|||
gint to_height;
|
||||
gint from_width;
|
||||
gint from_height;
|
||||
gboolean interlaced;
|
||||
|
||||
/*< private >*/
|
||||
guint8 *tmp_buf;
|
||||
|
|
|
|||
Loading…
Reference in a new issue