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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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videoscale: Remove interlaced scaling again
This behaviour was not preferred and caused visible image quality degradations. The real solution would be, to apply a real deinterlacing filter before scaling the frames. Fixes bug #615471.
This commit is contained in:
Sebastian Dröge
parent
9fe51a4a50
commit
58c77eb1b4
2 changed files with 169 additions and 222 deletions
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@ -338,7 +338,6 @@ gst_video_scale_set_caps (GstBaseTransform * trans, GstCaps * in, GstCaps * out)
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ret &=
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gst_video_format_parse_caps (out, NULL, &videoscale->to_width,
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&videoscale->to_height);
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ret &= gst_video_format_parse_caps_interlaced (in, &videoscale->interlaced);
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if (!ret)
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goto done;
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@ -355,8 +354,7 @@ gst_video_scale_set_caps (GstBaseTransform * trans, GstCaps * in, GstCaps * out)
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if (videoscale->tmp_buf)
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g_free (videoscale->tmp_buf);
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videoscale->tmp_buf =
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g_malloc (videoscale->dest.stride * 4 * (videoscale->interlaced ? 2 : 1));
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videoscale->tmp_buf = g_malloc (videoscale->dest.stride * 4);
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if (!gst_video_parse_caps_pixel_aspect_ratio (in, &from_par_n, &from_par_d))
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from_par_n = from_par_d = 1;
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@ -816,8 +814,7 @@ done:
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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, gint step,
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gboolean interlaced)
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VSImage * img, VSImage * img_u, VSImage * img_v)
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{
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gboolean res = TRUE;
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@ -837,21 +834,6 @@ gst_video_scale_prepare_image (gint format, GstBuffer * buf,
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img_v->pixels =
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GST_BUFFER_DATA (buf) + gst_video_format_get_component_offset (format,
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2, img->width, img->height);
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if (interlaced && step == 1) {
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img_v->pixels += img_v->stride;
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img_u->pixels += img_u->stride;
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}
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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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img_v->height = (img_v->height / 2) + ((step == 0
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&& img_v->height % 2 == 1) ? 1 : 0);
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img_v->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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@ -872,8 +854,6 @@ gst_video_scale_transform (GstBaseTransform * trans, GstBuffer * in,
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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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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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@ -882,212 +862,180 @@ gst_video_scale_transform (GstBaseTransform * trans, GstBuffer * in,
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src.pixels = GST_BUFFER_DATA (in);
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dest.pixels = GST_BUFFER_DATA (out);
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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 (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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if (src.height < 4 && method == GST_VIDEO_SCALE_4TAP)
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method = GST_VIDEO_SCALE_BILINEAR;
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for (step = 0; step < (interlaced ? 2 : 1); step++) {
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gst_video_scale_prepare_image (videoscale->format, in, &videoscale->src,
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&src_u, &src_v, step, interlaced);
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gst_video_scale_prepare_image (videoscale->format, out, &videoscale->dest,
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&dest_u, &dest_v, step, interlaced);
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gst_video_scale_prepare_image (videoscale->format, in, &videoscale->src,
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&src_u, &src_v);
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gst_video_scale_prepare_image (videoscale->format, out, &videoscale->dest,
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&dest_u, &dest_v);
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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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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_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_xRGB:
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_xBGR:
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case GST_VIDEO_FORMAT_RGBA:
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case GST_VIDEO_FORMAT_ARGB:
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case GST_VIDEO_FORMAT_BGRA:
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case GST_VIDEO_FORMAT_ABGR:
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case GST_VIDEO_FORMAT_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_FORMAT_RGB:
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case GST_VIDEO_FORMAT_BGR:
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case GST_VIDEO_FORMAT_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_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_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_FORMAT_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_FORMAT_Y800:
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case GST_VIDEO_FORMAT_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_FORMAT_GRAY16_LE:
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case GST_VIDEO_FORMAT_GRAY16_BE:
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case GST_VIDEO_FORMAT_Y16:
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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_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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case GST_VIDEO_FORMAT_Y444:
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case GST_VIDEO_FORMAT_Y42B:
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case GST_VIDEO_FORMAT_Y41B:
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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_FORMAT_RGB16:
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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_FORMAT_RGB15:
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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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if (videoscale->to_height % 2 == 1) {
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dest.height += 1;
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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_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_xRGB:
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_xBGR:
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case GST_VIDEO_FORMAT_RGBA:
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case GST_VIDEO_FORMAT_ARGB:
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case GST_VIDEO_FORMAT_BGRA:
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case GST_VIDEO_FORMAT_ABGR:
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case GST_VIDEO_FORMAT_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_FORMAT_RGB:
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case GST_VIDEO_FORMAT_BGR:
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case GST_VIDEO_FORMAT_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_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_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_FORMAT_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_FORMAT_Y800:
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case GST_VIDEO_FORMAT_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_FORMAT_GRAY16_LE:
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case GST_VIDEO_FORMAT_GRAY16_BE:
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case GST_VIDEO_FORMAT_Y16:
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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_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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case GST_VIDEO_FORMAT_Y444:
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case GST_VIDEO_FORMAT_Y42B:
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case GST_VIDEO_FORMAT_Y41B:
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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_FORMAT_RGB16:
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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_FORMAT_RGB15:
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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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}
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} else if (step == 1 && interlaced) {
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if (videoscale->from_height % 2 == 1) {
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src.height -= 1;
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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_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_xRGB:
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_xBGR:
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case GST_VIDEO_FORMAT_RGBA:
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case GST_VIDEO_FORMAT_ARGB:
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case GST_VIDEO_FORMAT_BGRA:
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case GST_VIDEO_FORMAT_ABGR:
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case GST_VIDEO_FORMAT_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_FORMAT_RGB:
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case GST_VIDEO_FORMAT_BGR:
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case GST_VIDEO_FORMAT_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_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_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_FORMAT_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_FORMAT_Y800:
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case GST_VIDEO_FORMAT_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_FORMAT_GRAY16_LE:
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case GST_VIDEO_FORMAT_GRAY16_BE:
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case GST_VIDEO_FORMAT_Y16:
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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_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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case GST_VIDEO_FORMAT_Y444:
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case GST_VIDEO_FORMAT_Y42B:
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case GST_VIDEO_FORMAT_Y41B:
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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_FORMAT_RGB16:
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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_FORMAT_RGB15:
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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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if (videoscale->to_height % 2 == 1) {
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dest.height -= 1;
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}
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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_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_xRGB:
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_xBGR:
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case GST_VIDEO_FORMAT_RGBA:
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case GST_VIDEO_FORMAT_ARGB:
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case GST_VIDEO_FORMAT_BGRA:
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case GST_VIDEO_FORMAT_ABGR:
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case GST_VIDEO_FORMAT_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_FORMAT_RGB:
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case GST_VIDEO_FORMAT_BGR:
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case GST_VIDEO_FORMAT_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_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_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_FORMAT_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_FORMAT_Y800:
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case GST_VIDEO_FORMAT_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_FORMAT_GRAY16_LE:
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case GST_VIDEO_FORMAT_GRAY16_BE:
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case GST_VIDEO_FORMAT_Y16:
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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_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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case GST_VIDEO_FORMAT_Y444:
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case GST_VIDEO_FORMAT_Y42B:
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case GST_VIDEO_FORMAT_Y41B:
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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_FORMAT_RGB16:
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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_FORMAT_RGB15:
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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_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_xRGB:
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_xBGR:
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case GST_VIDEO_FORMAT_RGBA:
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case GST_VIDEO_FORMAT_ARGB:
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case GST_VIDEO_FORMAT_BGRA:
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case GST_VIDEO_FORMAT_ABGR:
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case GST_VIDEO_FORMAT_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_FORMAT_RGB:
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case GST_VIDEO_FORMAT_BGR:
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case GST_VIDEO_FORMAT_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_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_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_FORMAT_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_FORMAT_Y800:
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case GST_VIDEO_FORMAT_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_FORMAT_GRAY16_LE:
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case GST_VIDEO_FORMAT_GRAY16_BE:
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case GST_VIDEO_FORMAT_Y16:
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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_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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case GST_VIDEO_FORMAT_Y444:
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case GST_VIDEO_FORMAT_Y42B:
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case GST_VIDEO_FORMAT_Y41B:
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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_FORMAT_RGB16:
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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_FORMAT_RGB15:
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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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}
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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_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_xRGB:
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_xBGR:
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case GST_VIDEO_FORMAT_RGBA:
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case GST_VIDEO_FORMAT_ARGB:
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||||
case GST_VIDEO_FORMAT_BGRA:
|
||||
case GST_VIDEO_FORMAT_ABGR:
|
||||
case GST_VIDEO_FORMAT_AYUV:
|
||||
vs_image_scale_4tap_RGBA (&dest, &src, videoscale->tmp_buf);
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_RGB:
|
||||
case GST_VIDEO_FORMAT_BGR:
|
||||
case GST_VIDEO_FORMAT_v308:
|
||||
vs_image_scale_4tap_RGB (&dest, &src, videoscale->tmp_buf);
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_YUY2:
|
||||
case GST_VIDEO_FORMAT_YVYU:
|
||||
vs_image_scale_4tap_YUYV (&dest, &src, videoscale->tmp_buf);
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_UYVY:
|
||||
vs_image_scale_4tap_UYVY (&dest, &src, videoscale->tmp_buf);
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_Y800:
|
||||
case GST_VIDEO_FORMAT_GRAY8:
|
||||
vs_image_scale_4tap_Y (&dest, &src, videoscale->tmp_buf);
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_GRAY16_LE:
|
||||
case GST_VIDEO_FORMAT_GRAY16_BE:
|
||||
case GST_VIDEO_FORMAT_Y16:
|
||||
vs_image_scale_4tap_Y16 (&dest, &src, videoscale->tmp_buf);
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_I420:
|
||||
case GST_VIDEO_FORMAT_YV12:
|
||||
case GST_VIDEO_FORMAT_Y444:
|
||||
case GST_VIDEO_FORMAT_Y42B:
|
||||
case GST_VIDEO_FORMAT_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);
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_RGB16:
|
||||
vs_image_scale_4tap_RGB565 (&dest, &src, videoscale->tmp_buf);
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_RGB15:
|
||||
vs_image_scale_4tap_RGB555 (&dest, &src, videoscale->tmp_buf);
|
||||
break;
|
||||
default:
|
||||
goto unsupported;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
goto unknown_mode;
|
||||
}
|
||||
|
||||
break;
|
||||
default:
|
||||
goto unknown_mode;
|
||||
}
|
||||
|
||||
GST_LOG_OBJECT (videoscale, "pushing buffer of %d bytes",
|
||||
|
|
|
|||
|
|
@ -77,7 +77,6 @@ struct _GstVideoScale {
|
|||
gint from_height;
|
||||
guint src_size;
|
||||
guint dest_size;
|
||||
gboolean interlaced;
|
||||
|
||||
VSImage src;
|
||||
VSImage dest;
|
||||
|
|
|
|||
Loading…
Reference in a new issue