From 3054a82267b713a11e608592c606c5e4af07da72 Mon Sep 17 00:00:00 2001
From: Marko Ollonen <marko.ollonen@ixonos.com>
Date: Tue, 12 Feb 2013 14:47:54 +0200
Subject: [PATCH] add static pad template for caps, dropping unneeded
 pixelformats.

Change-Id: I33efb6f29cc57646063388a6e1f83f41ca9b9c91
---
 gst/mfldv4l2cam/gstv4l2camsrc.c | 104 ++++++++++------------------------------
 1 file changed, 25 insertions(+), 79 deletions(-)

diff --git a/gst/mfldv4l2cam/gstv4l2camsrc.c b/gst/mfldv4l2cam/gstv4l2camsrc.c
index b189d92..3018020 100644
--- a/gst/mfldv4l2cam/gstv4l2camsrc.c
+++ b/gst/mfldv4l2cam/gstv4l2camsrc.c
@@ -133,7 +133,30 @@ typedef enum
 } GstV4L2CamSrcProperties;
 
 
-
+static GstStaticPadTemplate gst_v4l2camsrc_template =
+  GST_STATIC_PAD_TEMPLATE ("src",
+  GST_PAD_SRC,
+  GST_PAD_ALWAYS,
+  GST_STATIC_CAPS ("video/x-raw-yuv, "
+    "format = (fourcc) NV12, "
+    "framerate = (fraction) [ 0, 200 ], "
+    "width = (int) [ 1, MAX ], "
+    "height = (int) [ 1, MAX ];"
+    "video/x-raw-yuv, "
+    "format = (fourcc) I420, "
+    "framerate = (fraction) [ 0, 200 ], "
+    "width = (int) [ 1, MAX ], "
+    "height = (int) [ 1, MAX ];"
+    "video/x-raw-yuv, "
+    "format = (fourcc) BA10, "
+    "framerate = (fraction) [ 0, 200 ], "
+    "width = (int) [ 1, MAX ], "
+    "height = (int) [ 1, MAX ];"
+    "video/x-vaapi-sharing, "
+    "type = vaapi, "
+    "width  = (int) [ 1, MAX ], "
+    "height = (int) [ 1, MAX ], "
+    "framerate = (fraction) [ 0, MAX ]"));
 
 #define DEFAULT_PROP_DEVICE_NAME  NULL
 #define DEFAULT_PROP_DEVICE       "/dev/video0"
@@ -642,82 +665,6 @@ gst_v4l2camsrc_get_num_buffers (GstCameraSrc * camsrc)
   return v4l2camsrc->num_buffers;
 }
 
-/*
- * common format / caps utilities:
- */
-typedef struct
-{
-  guint32 format;
-  gboolean dimensions;
-} GstV4L2FormatDesc;
-
-static const GstV4L2FormatDesc gst_v4l2_formats[] = {
-  /* from Linux 2.6.15 videodev2.h */
-  {V4L2_PIX_FMT_YUV420, TRUE},
-  {V4L2_PIX_FMT_YVU420, TRUE},
-  {V4L2_PIX_FMT_YUV422P, TRUE},
-  {V4L2_PIX_FMT_YUV444, TRUE},
-
-  {V4L2_PIX_FMT_NV12, TRUE},
-  {V4L2_PIX_FMT_NV21, TRUE},
-
-  {V4L2_PIX_FMT_NV16, TRUE},
-  {V4L2_PIX_FMT_NV61, TRUE},
-
-  {V4L2_PIX_FMT_YUYV, TRUE},
-  {V4L2_PIX_FMT_UYVY, TRUE},
-
-  {V4L2_PIX_FMT_SBGGR16, TRUE},
-
-  {V4L2_PIX_FMT_SBGGR8, TRUE},
-  {V4L2_PIX_FMT_SGBRG8, TRUE},
-  {V4L2_PIX_FMT_SGRBG8, TRUE},
-  {V4L2_PIX_FMT_SRGGB8, TRUE},
-
-  {V4L2_PIX_FMT_SBGGR10, TRUE},
-  {V4L2_PIX_FMT_SGBRG10, TRUE},
-  {V4L2_PIX_FMT_SGRBG10, TRUE},
-  {V4L2_PIX_FMT_SRGGB10, TRUE},
-
-  {V4L2_PIX_FMT_RGB24, TRUE},
-  {V4L2_PIX_FMT_RGB32, TRUE},
-  {V4L2_PIX_FMT_RGB565, TRUE},
-};
-
-#define GST_V4L2_FORMAT_COUNT (G_N_ELEMENTS (gst_v4l2_formats))
-#define GST_V4L2_MAX_SIZE (1<<15)       /* 2^15 == 32768 */
-
-GstCaps *
-gst_v4l2camsrc_get_all_caps (void)
-{
-  static GstCaps *caps = NULL;
-
-  if (caps == NULL) {
-    GstStructure *structure;
-
-    guint i;
-
-    caps = gst_caps_new_empty ();
-    for (i = 0; i < GST_V4L2_FORMAT_COUNT; i++) {
-      structure =
-          gst_v4l2camsrc_v4l2fourcc_to_structure (gst_v4l2_formats[i].format);
-      if (structure) {
-        if (gst_v4l2_formats[i].dimensions) {
-          gst_structure_set (structure,
-              "width", GST_TYPE_INT_RANGE, 1, GST_V4L2_MAX_SIZE,
-              "height", GST_TYPE_INT_RANGE, 1, GST_V4L2_MAX_SIZE,
-              "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 100, 1, NULL);
-        }
-        gst_caps_append_structure (caps, structure);
-      }
-    }
-    structure = gst_structure_from_string(surface_string, NULL);
-    gst_caps_append_structure (caps, structure);
-  }
-
-  return gst_caps_ref (caps);
-}
-
 
 /*
  * gst_v4l2camsrc_base_init:
@@ -736,8 +683,7 @@ gst_v4l2camsrc_base_init (gpointer klass)
       "Maemo Multimedia <multimedia@maemo.org>");
 
   gst_element_class_add_pad_template (element_class,
-      gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
-          gst_v4l2camsrc_get_all_caps ()));
+       gst_static_pad_template_get (&gst_v4l2camsrc_template));
 }
 
 gboolean gst_v4l2camsrc_set_autofocus (GstCameraSrc * camsrc, gboolean on);
-- 
2.7.4