glimagesink: add support for VUYA format

diff --git a/gst-libs/gst/gl/gstglcolorconvert.c b/gst-libs/gst/gl/gstglcolorconvert.c
index 351d859..644c233 100644 (file)
--- a/gst-libs/gst/gl/gstglcolorconvert.c
+++ b/gst-libs/gst/gl/gstglcolorconvert.c
@@ -228,6 +228,34 @@ static const struct shader_templ templ_RGB_to_AYUV =
     GST_GL_TEXTURE_TARGET_2D
   };
 
+static const gchar templ_VUYA_to_RGB_BODY[] =
+    "vec4 texel, rgba;\n"
+    "texel = texture2D(tex, texcoord * tex_scale0);\n"
+    "rgba.rgb = yuv_to_rgb (texel.zyx, offset, coeff1, coeff2, coeff3);\n"
+    "rgba.a = texel.w;\n"
+    "gl_FragColor=vec4(rgba.%c,rgba.%c,rgba.%c,rgba.%c);\n";
+
+static const struct shader_templ templ_VUYA_to_RGB =
+  { NULL,
+    DEFAULT_UNIFORMS YUV_TO_RGB_COEFFICIENTS "uniform sampler2D tex;\n",
+    { glsl_func_yuv_to_rgb, NULL, },
+    GST_GL_TEXTURE_TARGET_2D
+  };
+
+static const gchar templ_RGB_to_VUYA_BODY[] =
+    "vec4 texel, ayuv;\n"
+    "texel = texture2D(tex, texcoord).%c%c%c%c;\n"
+    "ayuv.zyx = rgb_to_yuv (texel.rgb, offset, coeff1, coeff2, coeff3);\n"
+    "ayuv.w = %s;\n"
+    "gl_FragColor = ayuv;\n";
+
+static const struct shader_templ templ_RGB_to_VUYA =
+  { NULL,
+    DEFAULT_UNIFORMS RGB_TO_YUV_COEFFICIENTS "uniform sampler2D tex;\n",
+    { glsl_func_rgb_to_yuv, NULL, },
+    GST_GL_TEXTURE_TARGET_2D
+  };
+
 /* YUV to RGB conversion */
 static const gchar templ_PLANAR_YUV_to_RGB_BODY[] =
     "vec4 texel, rgba;\n"
@@ -906,7 +934,7 @@ _init_supported_formats (GstGLContext * context, gboolean output,
   /* Always supported input and output formats */
   _init_value_string_list (supported_formats, "RGBA", "RGB", "RGBx", "BGR",
       "BGRx", "BGRA", "xRGB", "xBGR", "ARGB", "ABGR", "GRAY8", "GRAY16_LE",
-      "GRAY16_BE", "AYUV", "YUY2", "UYVY", NULL);
+      "GRAY16_BE", "AYUV", "VUYA", "YUY2", "UYVY", NULL);
 
   /* Always supported input formats or output with multiple draw buffers */
   if (!output || (!context || context->gl_vtable->DrawBuffers))
@@ -1482,6 +1510,7 @@ _get_n_textures (GstVideoFormat v_format)
     case GST_VIDEO_FORMAT_RGB:
     case GST_VIDEO_FORMAT_BGR:
     case GST_VIDEO_FORMAT_AYUV:
+    case GST_VIDEO_FORMAT_VUYA:
     case GST_VIDEO_FORMAT_GRAY8:
     case GST_VIDEO_FORMAT_GRAY16_LE:
     case GST_VIDEO_FORMAT_GRAY16_BE:
@@ -1580,6 +1609,12 @@ _YUV_to_RGB (GstGLColorConvert * convert)
             pixel_order[0], pixel_order[1], pixel_order[2], pixel_order[3]);
         info->shader_tex_names[0] = "tex";
         break;
+      case GST_VIDEO_FORMAT_VUYA:
+        info->templ = &templ_VUYA_to_RGB;
+        info->frag_body = g_strdup_printf (templ_VUYA_to_RGB_BODY,
+            pixel_order[0], pixel_order[1], pixel_order[2], pixel_order[3]);
+        info->shader_tex_names[0] = "tex";
+        break;
       case GST_VIDEO_FORMAT_I420:
       case GST_VIDEO_FORMAT_Y444:
       case GST_VIDEO_FORMAT_Y42B:
@@ -1689,6 +1724,13 @@ _RGB_to_YUV (GstGLColorConvert * convert)
           pixel_order[1], pixel_order[2], pixel_order[3], alpha);
       info->out_n_textures = 1;
       break;
+    case GST_VIDEO_FORMAT_VUYA:
+      alpha = _is_RGBx (in_format) ? "1.0" : "texel.a";
+      info->templ = &templ_RGB_to_VUYA;
+      info->frag_body = g_strdup_printf (templ_RGB_to_VUYA_BODY, pixel_order[0],
+          pixel_order[1], pixel_order[2], pixel_order[3], alpha);
+      info->out_n_textures = 1;
+      break;
     case GST_VIDEO_FORMAT_I420:
     case GST_VIDEO_FORMAT_YV12:
     case GST_VIDEO_FORMAT_Y444:

diff --git a/gst-libs/gst/gl/gstglcolorconvert.h b/gst-libs/gst/gl/gstglcolorconvert.h
index 31e576d..c69375b 100644 (file)
--- a/gst-libs/gst/gl/gstglcolorconvert.h
+++ b/gst-libs/gst/gl/gstglcolorconvert.h
@@ -89,7 +89,7 @@ struct _GstGLColorConvertClass
  */
 #define GST_GL_COLOR_CONVERT_FORMATS "{ RGBA, RGB, RGBx, BGR, BGRx, BGRA, xRGB, " \
                                "xBGR, ARGB, ABGR, Y444, I420, YV12, Y42B, " \
-                               "Y41B, NV12, NV21, YUY2, UYVY, AYUV, " \
+                               "Y41B, NV12, NV21, YUY2, UYVY, AYUV, VUYA, " \
                                "GRAY8, GRAY16_LE, GRAY16_BE, RGB16, BGR16, ARGB64 }"
 
 /**

diff --git a/gst-libs/gst/gl/gstglformat.c b/gst-libs/gst/gl/gstglformat.c
index bc15743..422ef9e 100644 (file)
--- a/gst-libs/gst/gl/gstglformat.c
+++ b/gst-libs/gst/gl/gstglformat.c
@@ -159,6 +159,7 @@ gst_gl_format_from_video_info (GstGLContext * context, GstVideoInfo * vinfo,
     case GST_VIDEO_FORMAT_ARGB:
     case GST_VIDEO_FORMAT_ABGR:
     case GST_VIDEO_FORMAT_AYUV:
+    case GST_VIDEO_FORMAT_VUYA:
       n_plane_components = 4;
       break;
     case GST_VIDEO_FORMAT_ARGB64:

diff --git a/gst-libs/gst/gl/gstglmemory.h b/gst-libs/gst/gl/gstglmemory.h
index e7e14f6..8be8db5 100644 (file)
--- a/gst-libs/gst/gl/gstglmemory.h
+++ b/gst-libs/gst/gl/gstglmemory.h
@@ -52,7 +52,7 @@ GType gst_gl_memory_allocator_get_type(void);
  */
 #define GST_GL_MEMORY_VIDEO_FORMATS_STR \
     "{ RGBA, BGRA, RGBx, BGRx, ARGB, ABGR, xRGB, xBGR, RGB, BGR, RGB16, BGR16, " \
-    "AYUV, I420, YV12, NV12, NV21, YUY2, UYVY, Y41B, Y42B, Y444, " \
+    "AYUV, VUYA, I420, YV12, NV12, NV21, YUY2, UYVY, Y41B, Y42B, Y444, " \
     "GRAY8, GRAY16_LE, GRAY16_BE, ARGB64 }"
 
 /**