sys/v4l2/gstv4l2src.c: Add S910 and PWC formats with a low priority.

Original commit message from CVS:
* sys/v4l2/gstv4l2src.c: (gst_v4l2src_v4l2fourcc_to_structure),
(gst_v4l2_get_caps_info):
Add S910 and PWC formats with a low priority.
* sys/v4l2/v4l2src_calls.c: (gst_v4l2src_format_get_rank),
(gst_v4l2src_probe_caps_for_format):
Add more debugging.

2 files changed, 62 insertions, 9 deletions

diff --git a/sys/v4l2/gstv4l2src.c b/sys/v4l2/gstv4l2src.c
index fd612428..ce93ee73 100644
--- a/sys/v4l2/gstv4l2src.c
+++ b/sys/v4l2/gstv4l2src.c
@@ -581,15 +581,6 @@ gst_v4l2src_v4l2fourcc_to_structure (guint32 fourcc)
 {
   GstStructure *structure = NULL;
 
-  /* FIXME: new FourCCs
-     camera: ZC0301 PC Camera
-     driver: zc0301
-     BA81, S910, PWC1, PWC2
-
-     camera:
-     driver:
-   */
-
   switch (fourcc) {
     case V4L2_PIX_FMT_MJPEG:   /* Motion-JPEG */
     case V4L2_PIX_FMT_JPEG:    /* JFIF JPEG */
@@ -748,9 +739,26 @@ gst_v4l2src_v4l2fourcc_to_structure (guint32 fourcc)
       break;
     case V4L2_PIX_FMT_WNVA:    /* Winnov hw compres */
       break;
+#ifdef V4L2_PIX_FMT_SBGGR8
     case V4L2_PIX_FMT_SBGGR8:
       structure = gst_structure_new ("video/x-raw-bayer", NULL);
       break;
+#endif
+#ifdef V4L2_PIX_FMT_SN9C10X
+    case V4L2_PIX_FMT_SN9C10X:
+      structure = gst_structure_new ("video/x-sonix", NULL);
+      break;
+#endif
+#ifdef V4L2_PIX_FMT_PWC1
+    case V4L2_PIX_FMT_PWC1:
+      structure = gst_structure_new ("video/x-pwc1", NULL);
+      break;
+#endif
+#ifdef V4L2_PIX_FMT_PWC2
+    case V4L2_PIX_FMT_PWC2:
+      structure = gst_structure_new ("video/x-pwc2", NULL);
+      break;
+#endif
     default:
       GST_DEBUG ("Unknown fourcc 0x%08x %" GST_FOURCC_FORMAT,
           fourcc, GST_FOURCC_ARGS (fourcc));
@@ -988,8 +996,22 @@ gst_v4l2_get_caps_info (GstV4l2Src * v4l2src, GstCaps * caps,
     fourcc = V4L2_PIX_FMT_DV;
   } else if (strcmp (mimetype, "image/jpeg") == 0) {
     fourcc = V4L2_PIX_FMT_JPEG;
+#ifdef V4L2_PIX_FMT_SBGGR8
   } else if (strcmp (mimetype, "video/x-raw-bayer") == 0) {
     fourcc = V4L2_PIX_FMT_SBGGR8;
+#endif
+#ifdef V4L2_PIX_FMT_SN9C10X
+  } else if (strcmp (mimetype, "video/x-sonix") == 0) {
+    fourcc = V4L2_PIX_FMT_SN9C10X;
+#endif
+#ifdef V4L2_PIX_FMT_PWC1
+  } else if (strcmp (mimetype, "video/x-pwc1") == 0) {
+    fourcc = V4L2_PIX_FMT_PWC1;
+#endif
+#ifdef V4L2_PIX_FMT_PWC2
+  } else if (strcmp (mimetype, "video/x-pwc2") == 0) {
+    fourcc = V4L2_PIX_FMT_PWC2;
+#endif
   }
 
   if (fourcc == 0)
diff --git a/sys/v4l2/v4l2src_calls.c b/sys/v4l2/v4l2src_calls.c
index 035c80dc..f7e17059 100644
--- a/sys/v4l2/v4l2src_calls.c
+++ b/sys/v4l2/v4l2src_calls.c
@@ -406,7 +406,9 @@ gst_v4l2_buffer_pool_destroy (GstV4l2BufferPool * pool)
 #define YUV_ODD_BASE_RANK   50
 #define RGB_ODD_BASE_RANK   25
 #define BAYER_BASE_RANK     15
+#define S910_BASE_RANK      10
 #define GREY_BASE_RANK       5
+#define PWC_BASE_RANK        1
 
 static gint
 gst_v4l2src_format_get_rank (guint32 fourcc)
@@ -470,6 +472,14 @@ gst_v4l2src_format_get_rank (guint32 fourcc)
     case V4L2_PIX_FMT_SBGGR8:
       return BAYER_BASE_RANK;
 
+    case V4L2_PIX_FMT_SN9C10X:
+      return S910_BASE_RANK;
+
+    case V4L2_PIX_FMT_PWC1:
+      return PWC_BASE_RANK;
+    case V4L2_PIX_FMT_PWC2:
+      return PWC_BASE_RANK;
+
     default:
       break;
   }
@@ -770,11 +780,16 @@ gst_v4l2src_probe_caps_for_format (GstV4l2Src * v4l2src, guint32 pixelformat,
   size.index = 0;
   size.pixel_format = pixelformat;
 
+  GST_DEBUG_OBJECT (v4l2src, "Enumerating frame sizes");
+
   if (ioctl (fd, VIDIOC_ENUM_FRAMESIZES, &size) < 0)
     goto enum_framesizes_failed;
 
   if (size.type == V4L2_FRMSIZE_TYPE_DISCRETE) {
     do {
+      GST_LOG_OBJECT (v4l2src, "got discrete frame size %dx%d",
+          size.discrete.width, size.discrete.height);
+
       w = MIN (size.discrete.width, G_MAXINT);
       h = MIN (size.discrete.height, G_MAXINT);
 
@@ -788,7 +803,16 @@ gst_v4l2src_probe_caps_for_format (GstV4l2Src * v4l2src, guint32 pixelformat,
 
       size.index++;
     } while (ioctl (fd, VIDIOC_ENUM_FRAMESIZES, &size) >= 0);
+    GST_DEBUG_OBJECT (v4l2src, "done iterating discrete frame sizes");
   } else if (size.type == V4L2_FRMSIZE_TYPE_STEPWISE) {
+    GST_DEBUG_OBJECT (v4l2src, "we have stepwise frame sizes:");
+    GST_DEBUG_OBJECT (v4l2src, "min width:   %d", size.stepwise.min_width);
+    GST_DEBUG_OBJECT (v4l2src, "min height:  %d", size.stepwise.min_height);
+    GST_DEBUG_OBJECT (v4l2src, "max width:   %d", size.stepwise.max_width);
+    GST_DEBUG_OBJECT (v4l2src, "min height:  %d", size.stepwise.max_height);
+    GST_DEBUG_OBJECT (v4l2src, "step width:  %d", size.stepwise.step_width);
+    GST_DEBUG_OBJECT (v4l2src, "step height: %d", size.stepwise.step_height);
+
     for (w = size.stepwise.min_width, h = size.stepwise.min_height;
         w < size.stepwise.max_width && h < size.stepwise.max_height;
         w += size.stepwise.step_width, h += size.stepwise.step_height) {
@@ -803,9 +827,16 @@ gst_v4l2src_probe_caps_for_format (GstV4l2Src * v4l2src, guint32 pixelformat,
       if (tmp)
         results = g_list_prepend (results, tmp);
     }
+    GST_DEBUG_OBJECT (v4l2src, "done iterating stepwise frame sizes");
   } else if (size.type == V4L2_FRMSIZE_TYPE_CONTINUOUS) {
     guint32 maxw, maxh;
 
+    GST_DEBUG_OBJECT (v4l2src, "we have continuous frame sizes:");
+    GST_DEBUG_OBJECT (v4l2src, "min width:   %d", size.stepwise.min_width);
+    GST_DEBUG_OBJECT (v4l2src, "min height:  %d", size.stepwise.min_height);
+    GST_DEBUG_OBJECT (v4l2src, "max width:   %d", size.stepwise.max_width);
+    GST_DEBUG_OBJECT (v4l2src, "min height:  %d", size.stepwise.max_height);
+
     w = MAX (size.stepwise.min_width, 1);
     h = MAX (size.stepwise.min_height, 1);
     maxw = MIN (size.stepwise.max_width, G_MAXINT);