From d1547439497caeae2a0e50fd6db55d996dd15720 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wim.taymans@collabora.co.uk>
Date: Thu, 6 Sep 2012 10:42:21 +0200
Subject: [PATCH] v4l2: remove unused code.

---
 sys/v4l2/gstv4l2object.c | 106 -----------------------------------------------
 1 file changed, 106 deletions(-)

diff --git a/sys/v4l2/gstv4l2object.c b/sys/v4l2/gstv4l2object.c
index 0ff2182..8556dcd 100644
--- a/sys/v4l2/gstv4l2object.c
+++ b/sys/v4l2/gstv4l2object.c
@@ -2501,112 +2501,6 @@ done:
   return TRUE;
 }
 
-#if 0
-static GstFlowReturn
-gst_v4l2_object_get_mmap (GstV4l2Object * v4l2object, GstBuffer ** buf)
-{
-  GstFlowReturn res;
-#define NUM_TRIALS 50
-  GstBufferPool *pool;
-  gint32 trials = NUM_TRIALS;
-  GstBuffer *pool_buffer;
-  gboolean need_copy;
-
-  pool = v4l2object->pool;
-  if (!pool)
-    goto no_buffer_pool;
-
-  GST_DEBUG_OBJECT (v4l2object->element, "grab frame");
-
-  for (;;) {
-    if ((res = gst_v4l2_object_poll (v4l2object)) != GST_FLOW_OK)
-      goto poll_error;
-
-    res = gst_buffer_pool_acquire_buffer (pool, &pool_buffer, NULL);
-    if (res != GST_FLOW_OK)
-      goto no_buffer;
-
-    if (v4l2object->size > 0) {
-      gsize size = gst_buffer_get_size (pool_buffer);
-
-      /* if size does not match what we expected, try again */
-      if (size != v4l2object->size) {
-        GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, READ,
-            (_("Got unexpected frame size of %u instead of %u."),
-                size, v4l2object->size), (NULL));
-        gst_buffer_unref (pool_buffer);
-        goto no_buffer;
-      }
-    }
-    /* when we get here all is fine */
-    break;
-
-  no_buffer:
-    GST_WARNING_OBJECT (v4l2object->element, "trials=%d", trials);
-
-    /* if the sync() got interrupted, we can retry */
-    switch (errno) {
-      case EINVAL:
-      case ENOMEM:
-        /* fatal */
-        return GST_FLOW_ERROR;
-
-      case EAGAIN:
-      case EIO:
-      case EINTR:
-      default:
-        /* try again, until too many trials */
-        break;
-    }
-
-    /* check nr. of attempts to capture */
-    if (--trials == -1) {
-      goto too_many_trials;
-    }
-  }
-
-
-  /* if we are handing out the last buffer in the pool, we need to make a
-   * copy and bring the buffer back in the pool. */
-  need_copy = v4l2object->always_copy
-      || !gst_v4l2_buffer_pool_available_buffers (pool);
-
-  if (G_UNLIKELY (need_copy)) {
-    if (!v4l2object->always_copy) {
-      GST_CAT_LOG_OBJECT (GST_CAT_PERFORMANCE, v4l2object->element,
-          "running out of buffers, making a copy to reuse current one");
-    }
-    *buf = gst_buffer_copy (pool_buffer);
-    /* this will requeue */
-    gst_buffer_unref (pool_buffer);
-  } else {
-    *buf = pool_buffer;
-  }
-
-  return GST_FLOW_OK;
-
-  /* ERRORS */
-no_buffer_pool:
-  {
-    GST_DEBUG_OBJECT (v4l2object->element, "no buffer pool");
-    return GST_FLOW_FLUSHING;
-  }
-poll_error:
-  {
-    return res;
-  }
-too_many_trials:
-  {
-    GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, FAILED,
-        (_("Failed trying to get video frames from device '%s'."),
-            v4l2object->videodev),
-        (_("Failed after %d tries. device %s. system error: %s"),
-            NUM_TRIALS, v4l2object->videodev, g_strerror (errno)));
-    return GST_FLOW_ERROR;
-  }
-}
-#endif
-
 gboolean
 gst_v4l2_object_copy (GstV4l2Object * v4l2object, GstBuffer * dest,
     GstBuffer * src)
-- 
2.7.4