[699/906] display: remove list of upload and download objects

and only create an up/download object when needed.

diff --git a/gst-libs/gst/gl/gstgldisplay.c b/gst-libs/gst/gl/gstgldisplay.c
index 569bc41..3fd3fd2 100644 (file)
--- a/gst-libs/gst/gl/gstgldisplay.c
+++ b/gst-libs/gst/gl/gstgldisplay.c
@@ -238,14 +238,6 @@ gst_gl_display_finalize (GObject * object)
     g_free (display->error_message);
     display->error_message = NULL;
   }
-  if (display->uploads) {
-    g_slist_free_full (display->uploads, g_object_unref);
-    display->uploads = NULL;
-  }
-  if (display->downloads) {
-    g_slist_free_full (display->downloads, g_object_unref);
-    display->downloads = NULL;
-  }
 
   if (display->gl_vtable) {
     g_slice_free (GstGLFuncs, display->gl_vtable);

diff --git a/gst-libs/gst/gl/gstgldisplay.h b/gst-libs/gst/gl/gstgldisplay.h
index a8e5794..a9778c5 100644 (file)
--- a/gst-libs/gst/gl/gstgldisplay.h
+++ b/gst-libs/gst/gl/gstgldisplay.h
@@ -27,14 +27,10 @@
 
 #include <gst/video/video.h>
 
-typedef struct _GstGLUpload GstGLUpload;
-typedef struct _GstGLDownload GstGLDownload;
 typedef struct _GstGLShader GstGLShader;
 
 #include "gstglwindow.h"
 #include "gstglshader.h"
-#include "gstglupload.h"
-#include "gstgldownload.h"
 
 G_BEGIN_DECLS
 
@@ -155,9 +151,6 @@ struct _GstGLDisplay
 
   GstGLDisplayConversion colorspace_conversion;
 
-  GSList        *uploads;
-  GSList        *downloads;
-
   gchar *error_message;
 
   GstGLFuncs *gl_vtable;

diff --git a/gst-libs/gst/gl/gstgldownload.c b/gst-libs/gst/gl/gstgldownload.c
index f1baa92..a9cdec2 100644 (file)
--- a/gst-libs/gst/gl/gstgldownload.c
+++ b/gst-libs/gst/gl/gstgldownload.c
@@ -640,80 +640,6 @@ gst_gl_download_perform_with_data_unlocked_thread (GstGLDownload * download,
   return TRUE;
 }
 
-/**
- * gst_gl_display_find_download_unlocked:
- * @display: a #GstGLDisplay
- * @v_format: a #GstVideoFormat
- * @out_width: the width to download to
- * @out_height: the height to download to
- *
- * Finds a #GstGLDownload with the required download settings, creating one
- * if needed.  The returned object may not be initialized so you still
- * have to call gst_gl_download_init_format.
- *
- * This function is safe to be called in the GL thread
- *
- * Returns: a #GstGLDownload object with the required settings
- */
-GstGLDownload *
-gst_gl_display_find_download_unlocked (GstGLDisplay * display,
-    GstVideoFormat v_format, guint out_width, guint out_height)
-{
-  GstGLDownload *ret = NULL;
-  GSList *walk;
-
-  walk = display->downloads;
-
-  while (walk) {
-    ret = walk->data;
-
-    if (ret && v_format == GST_VIDEO_INFO_FORMAT (&ret->info) &&
-        out_width == GST_VIDEO_INFO_WIDTH (&ret->info) &&
-        out_height == GST_VIDEO_INFO_HEIGHT (&ret->info))
-      break;
-
-    ret = NULL;
-    walk = g_slist_next (walk);
-  }
-
-  if (!ret) {
-    ret = gst_gl_download_new (display);
-
-    display->downloads = g_slist_prepend (display->downloads, ret);
-  }
-
-  return ret;
-}
-
-/**
- * gst_gl_display_find_download:
- * @display: a #GstGLDisplay
- * @v_format: a #GstVideoFormat
- * @out_width: the width to download to
- * @out_height: the height to download to
- *
- * Finds a #GstGLDownload with the required download settings, creating one
- * if needed.  The returned object may not be initialized so you still
- * have to call gst_gl_download_init_format.
- *
- * Returns: a #GstGLDownload object with the required settings
- */
-GstGLDownload *
-gst_gl_display_find_download (GstGLDisplay * display, GstVideoFormat v_format,
-    guint out_width, guint out_height)
-{
-  GstGLDownload *ret;
-
-  gst_gl_display_lock (display);
-
-  ret = gst_gl_display_find_download_unlocked (display, v_format,
-      out_width, out_height);
-
-  gst_gl_display_unlock (display);
-
-  return ret;
-}
-
 static void
 _init_download (GstGLDisplay * display, GstGLDownload * download)
 {

diff --git a/gst-libs/gst/gl/gstgldownload.h b/gst-libs/gst/gl/gstgldownload.h
index f933b09..cef26ef 100644 (file)
--- a/gst-libs/gst/gl/gstgldownload.h
+++ b/gst-libs/gst/gl/gstgldownload.h
@@ -127,11 +127,6 @@ gboolean gst_gl_download_perform_with_memory        (GstGLDownload * download, G
 gboolean gst_gl_download_perform_with_data          (GstGLDownload * download, GLuint texture_id,
                                                      gpointer data[GST_VIDEO_MAX_PLANES]);
 
-GstGLDownload * gst_gl_display_find_download_unlocked (GstGLDisplay * display, GstVideoFormat v_format,
-                                                       guint out_width, guint out_height);
-GstGLDownload * gst_gl_display_find_download          (GstGLDisplay * display, GstVideoFormat v_format,
-                                                       guint out_width, guint out_height);
-
 G_END_DECLS
 
 #endif /* __GST_GL_DOWNLOAD_H__ */

diff --git a/gst-libs/gst/gl/gstglfilter.c b/gst-libs/gst/gl/gstglfilter.c
index c228d16..72d156f 100644 (file)
--- a/gst-libs/gst/gl/gstglfilter.c
+++ b/gst-libs/gst/gl/gstglfilter.c
@@ -934,12 +934,7 @@ gst_gl_filter_filter_texture (GstGLFilter * filter, GstBuffer * inbuf,
         "attempting to wrap for upload");
 
     if (!filter->upload) {
-      filter->upload = gst_gl_display_find_upload (filter->display,
-          GST_VIDEO_FRAME_FORMAT (&in_frame),
-          GST_VIDEO_FRAME_WIDTH (&in_frame),
-          GST_VIDEO_FRAME_HEIGHT (&in_frame),
-          GST_VIDEO_FRAME_WIDTH (&out_frame),
-          GST_VIDEO_FRAME_HEIGHT (&out_frame));
+      filter->upload = gst_gl_upload_new (filter->display);
 
       gst_gl_upload_init_format (filter->upload,
           GST_VIDEO_FRAME_FORMAT (&in_frame),
@@ -956,10 +951,7 @@ gst_gl_filter_filter_texture (GstGLFilter * filter, GstBuffer * inbuf,
         "attempting to wrap for download");
 
     if (!filter->download) {
-      filter->download = gst_gl_display_find_download (filter->display,
-          GST_VIDEO_FRAME_FORMAT (&out_frame),
-          GST_VIDEO_FRAME_WIDTH (&out_frame),
-          GST_VIDEO_FRAME_HEIGHT (&out_frame));
+      filter->download = gst_gl_download_new (filter->display);
 
       gst_gl_download_init_format (filter->download,
           GST_VIDEO_FRAME_FORMAT (&out_frame),
@@ -971,12 +963,7 @@ gst_gl_filter_filter_texture (GstGLFilter * filter, GstBuffer * inbuf,
     out_tex = filter->out_tex_id;
   } else {                      /* both non-GL */
     if (!filter->upload) {
-      filter->upload = gst_gl_display_find_upload (filter->display,
-          GST_VIDEO_FRAME_FORMAT (&in_frame),
-          GST_VIDEO_FRAME_WIDTH (&in_frame),
-          GST_VIDEO_FRAME_HEIGHT (&in_frame),
-          GST_VIDEO_FRAME_WIDTH (&out_frame),
-          GST_VIDEO_FRAME_HEIGHT (&out_frame));
+      filter->upload = gst_gl_upload_new (filter->display);
 
       gst_gl_upload_init_format (filter->upload,
           GST_VIDEO_FRAME_FORMAT (&in_frame),
@@ -987,10 +974,7 @@ gst_gl_filter_filter_texture (GstGLFilter * filter, GstBuffer * inbuf,
     }
 
     if (!filter->download) {
-      filter->download = gst_gl_display_find_download (filter->display,
-          GST_VIDEO_FRAME_FORMAT (&out_frame),
-          GST_VIDEO_FRAME_WIDTH (&out_frame),
-          GST_VIDEO_FRAME_HEIGHT (&out_frame));
+      filter->download = gst_gl_download_new (filter->display);
 
       gst_gl_download_init_format (filter->download,
           GST_VIDEO_FRAME_FORMAT (&out_frame),

diff --git a/gst-libs/gst/gl/gstglmemory.c b/gst-libs/gst/gl/gstglmemory.c
index 0d6bf23..424e4bd 100644 (file)
--- a/gst-libs/gst/gl/gstglmemory.c
+++ b/gst-libs/gst/gl/gstglmemory.c
@@ -80,10 +80,8 @@ _gl_mem_init (GstGLMemory * mem, GstAllocator * allocator, GstMemory * parent,
   mem->notify = notify;
   mem->user_data = user_data;
   mem->wrapped = FALSE;
-  mem->upload = gst_gl_display_find_upload (display, v_format,
-      width, height, width, height);
-  mem->download = gst_gl_display_find_download (display, v_format,
-      width, height);
+  mem->upload = gst_gl_upload_new (display);
+  mem->download = gst_gl_download_new (display);
 
   GST_CAT_DEBUG (GST_CAT_GL_MEMORY,
       "new GL texture memory:%p format:%u dimensions:%" G_GSIZE_FORMAT

diff --git a/gst-libs/gst/gl/gstglmixer.c b/gst-libs/gst/gl/gstglmixer.c
index 5991141..1e4b99c 100644 (file)
--- a/gst-libs/gst/gl/gstglmixer.c
+++ b/gst-libs/gst/gl/gstglmixer.c
@@ -1095,7 +1095,6 @@ gst_gl_mixer_src_setcaps (GstPad * pad, GstGLMixer * mix, GstCaps * caps)
   GstGLMixerPrivate *priv = mix->priv;
   GstVideoInfo info;
   guint out_width, out_height;
-  GstVideoFormat out_format;
   gboolean ret = TRUE;
 
   GST_INFO_OBJECT (mix, "set src caps: %" GST_PTR_FORMAT, caps);
@@ -1118,7 +1117,6 @@ gst_gl_mixer_src_setcaps (GstPad * pad, GstGLMixer * mix, GstCaps * caps)
 
   mix->out_info = info;
 
-  out_format = GST_VIDEO_INFO_FORMAT (&mix->out_info);
   out_width = GST_VIDEO_INFO_WIDTH (&mix->out_info);
   out_height = GST_VIDEO_INFO_HEIGHT (&mix->out_info);
 
@@ -1126,12 +1124,6 @@ gst_gl_mixer_src_setcaps (GstPad * pad, GstGLMixer * mix, GstCaps * caps)
           &mix->fbo, &mix->depthbuffer))
     goto display_error;
 
-  mix->download = gst_gl_display_find_download (mix->display,
-      out_format, out_width, out_height);
-
-  gst_gl_download_init_format (mix->download, out_format, out_width,
-      out_height);
-
   if (mix->out_tex_id)
     gst_gl_display_del_texture (mix->display, &mix->out_tex_id);
   gst_gl_display_gen_texture (mix->display, &mix->out_tex_id,
@@ -1450,6 +1442,14 @@ gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf)
 
     out_tex = mix->out_tex_id;;
 
+    if (!mix->download) {
+      mix->download = gst_gl_download_new (mix->display);
+      gst_gl_download_init_format (mix->download,
+          GST_VIDEO_FRAME_FORMAT (&out_frame),
+          GST_VIDEO_FRAME_WIDTH (&out_frame),
+          GST_VIDEO_FRAME_HEIGHT (&out_frame));
+    }
+
     out_gl_wrapped = TRUE;
   }
 
@@ -1501,8 +1501,7 @@ gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf)
         out_height = GST_VIDEO_INFO_HEIGHT (&mix->out_info);
 
         if (!pad->upload) {
-          pad->upload = gst_gl_display_find_upload (mix->display,
-              in_format, in_width, in_height, in_width, in_height);
+          pad->upload = gst_gl_upload_new (mix->display);
 
           gst_gl_upload_init_format (pad->upload, in_format,
               in_width, in_height, in_width, in_height);
@@ -2113,6 +2112,7 @@ gst_gl_mixer_change_state (GstElement * element, GstStateChange transition)
     case GST_STATE_CHANGE_PAUSED_TO_READY:
     {
       guint i;
+      GSList *walk = mix->sinkpads;
 
       GST_LOG_OBJECT (mix, "stopping collectpads");
       gst_collect_pads_stop (mix->collect);
@@ -2132,6 +2132,22 @@ gst_gl_mixer_change_state (GstElement * element, GstStateChange transition)
         mix->fbo = 0;
         mix->depthbuffer = 0;
       }
+      if (mix->download) {
+        g_object_unref (mix->download);
+        mix->download = NULL;
+      }
+
+      while (walk) {
+        GstGLMixerPad *pad = (GstGLMixerPad *) (walk->data);
+
+        if (pad->upload) {
+          g_object_unref (pad->upload);
+          pad->upload = NULL;
+        }
+
+        walk = walk->next;
+      }
+
       if (mix->display) {
         g_object_unref (mix->display);
         mix->display = NULL;

diff --git a/gst-libs/gst/gl/gstglmixerpad.h b/gst-libs/gst/gl/gstglmixerpad.h
index 7e46847..cb254ec 100644 (file)
--- a/gst-libs/gst/gl/gstglmixerpad.h
+++ b/gst-libs/gst/gl/gstglmixerpad.h
@@ -25,6 +25,7 @@
 #include <gst/base/gstcollectpads.h>
 
 #include "gstgldisplay.h"
+#include <gst/gl/gstglupload.h>
 
 G_BEGIN_DECLS
 

diff --git a/gst-libs/gst/gl/gstglupload.c b/gst-libs/gst/gl/gstglupload.c
index 41a0303..d12692d 100644 (file)
--- a/gst-libs/gst/gl/gstglupload.c
+++ b/gst-libs/gst/gl/gstglupload.c
@@ -617,87 +617,6 @@ gst_gl_upload_perform_with_data_unlocked_thread (GstGLUpload * upload,
   return TRUE;
 }
 
-/**
- * gst_gl_display_find_upload_unlocked:
- * @display: a #GstGLDisplay
- * @v_format: a #GstVideoFormat
- * @in_width: the width of the data to upload
- * @in_height: the height of the data to upload
- * @out_width: the width to upload to
- * @out_height: the height to upload to
- *
- * Finds a #GstGLDownload with the required upload settings, creating one
- * if needed.  The returned object may not be initialized so you still
- * have to call gst_gl_upload_init_format.
- *
- * This function is safe to be called in the GL thread
- *
- * Returns: a #GstGLUpload object with the required settings
- */
-GstGLUpload *
-gst_gl_display_find_upload_unlocked (GstGLDisplay * display,
-    GstVideoFormat v_format, guint in_width, guint in_height,
-    guint out_width, guint out_height)
-{
-  GstGLUpload *ret = NULL;
-  GSList *walk;
-
-  walk = display->uploads;
-
-  while (walk) {
-    ret = walk->data;
-
-    if (ret && v_format == GST_VIDEO_INFO_FORMAT (&ret->info) &&
-        out_width == GST_VIDEO_INFO_WIDTH (&ret->info) &&
-        out_height == GST_VIDEO_INFO_HEIGHT (&ret->info) &&
-        in_width == ret->in_width && in_height == ret->in_height)
-      break;
-
-    ret = NULL;
-    walk = g_slist_next (walk);
-  }
-
-  if (!ret) {
-    ret = gst_gl_upload_new (display);
-
-    display->uploads = g_slist_prepend (display->uploads, ret);
-  }
-
-  return ret;
-}
-
-/**
- * gst_gl_display_find_upload:
- * @display: a #GstGLDisplay
- * @v_format: a #GstVideoFormat
- * @in_width: the width of the data to upload
- * @in_height: the height of the data to upload
- * @out_width: the width to upload to
- * @out_height: the height to upload to
- *
- * Finds a #GstGLDownload with the required upload settings, creating one
- * if needed.  The returned object may not be initialized so you still
- * have to call gst_gl_upload_init_format.
- *
- * Returns: a #GstGLUpload object with the required settings
- */
-GstGLUpload *
-gst_gl_display_find_upload (GstGLDisplay * display, GstVideoFormat v_format,
-    guint in_width, guint in_height, guint out_width, guint out_height)
-{
-  GstGLUpload *ret;
-
-  gst_gl_display_lock (display);
-
-  ret =
-      gst_gl_display_find_upload_unlocked (display, v_format, in_width,
-      in_height, out_width, out_height);
-
-  gst_gl_display_unlock (display);
-
-  return ret;
-}
-
 static gboolean
 _create_shader (GstGLDisplay * display, const gchar * vertex_src,
     const gchar * fragment_src, GstGLShader ** out_shader)

diff --git a/gst-libs/gst/gl/gstglupload.h b/gst-libs/gst/gl/gstglupload.h
index 3cd622c..2daafd7 100644 (file)
--- a/gst-libs/gst/gl/gstglupload.h
+++ b/gst-libs/gst/gl/gstglupload.h
@@ -131,13 +131,6 @@ gboolean gst_gl_upload_perform_with_memory_thread (GstGLUpload * upload, GstGLMe
 gboolean gst_gl_upload_perform_with_data_thread   (GstGLUpload * upload, GLuint texture_id,
                                                    gpointer data[GST_VIDEO_MAX_PLANES]);
 
-GstGLUpload * gst_gl_display_find_upload          (GstGLDisplay * display, GstVideoFormat v_format,
-                                                   guint in_width, guint in_height,
-                                                   guint out_width, guint out_height);
-GstGLUpload * gst_gl_display_find_upload_unlocked (GstGLDisplay * display, GstVideoFormat v_format,
-                                                   guint in_width, guint in_height,
-                                                   guint out_width, guint out_height);
-
 G_END_DECLS
 
 #endif /* __GST_GL_UPLOAD_H__ */

diff --git a/gst/gl/gstglimagesink.c b/gst/gl/gstglimagesink.c
index dc81ff9..9012df1 100644 (file)
--- a/gst/gl/gstglimagesink.c
+++ b/gst/gl/gstglimagesink.c
@@ -457,12 +457,12 @@ gst_glimage_sink_change_state (GstElement * element, GstStateChange transition)
     case GST_STATE_CHANGE_PAUSED_TO_READY:
     {
       if (glimage_sink->stored_buffer) {
-        gst_buffer_unref (GST_BUFFER_CAST (glimage_sink->stored_buffer));
+        gst_buffer_unref (glimage_sink->stored_buffer);
         glimage_sink->stored_buffer = NULL;
       }
-      if (glimage_sink->display) {
-        g_object_unref (glimage_sink->display);
-        glimage_sink->display = NULL;
+      if (glimage_sink->upload) {
+        g_object_unref (glimage_sink->upload);
+        glimage_sink->upload = NULL;
       }
 
       glimage_sink->window_id = 0;
@@ -470,8 +470,19 @@ gst_glimage_sink_change_state (GstElement * element, GstStateChange transition)
 
       GST_VIDEO_SINK_WIDTH (glimage_sink) = 1;
       GST_VIDEO_SINK_HEIGHT (glimage_sink) = 1;
-    }
+
+      gst_gl_window_set_resize_callback (glimage_sink->display->gl_window,
+          GST_GL_WINDOW_RESIZE_CB (NULL), NULL);
+      gst_gl_window_set_draw_callback (glimage_sink->display->gl_window,
+          GST_GL_WINDOW_CB (NULL), NULL);
+      gst_gl_window_set_close_callback (glimage_sink->display->gl_window,
+          GST_GL_WINDOW_CB (NULL), NULL);
+      if (glimage_sink->display) {
+        g_object_unref (glimage_sink->display);
+        glimage_sink->display = NULL;
+      }
       break;
+    }
     case GST_STATE_CHANGE_READY_TO_NULL:
       break;
     default:
@@ -532,12 +543,6 @@ gst_glimage_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
   gst_gl_display_gen_texture (glimage_sink->display, &glimage_sink->tex_id,
       GST_VIDEO_INFO_FORMAT (&vinfo), width, height);
 
-  glimage_sink->upload = gst_gl_display_find_upload (glimage_sink->display,
-      GST_VIDEO_INFO_FORMAT (&vinfo), width, height, width, height);
-
-  gst_gl_upload_init_format (glimage_sink->upload,
-      GST_VIDEO_INFO_FORMAT (&vinfo), width, height, width, height);
-
   par_n = GST_VIDEO_INFO_PAR_N (&vinfo);
   par_d = GST_VIDEO_INFO_PAR_D (&vinfo);
 
@@ -620,6 +625,15 @@ gst_glimage_sink_render (GstBaseSink * bsink, GstBuffer * buf)
     GST_INFO ("Input Buffer does not contain correct meta, "
         "attempting to wrap for upload");
 
+    if (!glimage_sink->upload) {
+      glimage_sink->upload = gst_gl_upload_new (glimage_sink->display);
+
+      gst_gl_upload_init_format (glimage_sink->upload,
+          GST_VIDEO_FRAME_FORMAT (&frame), GST_VIDEO_FRAME_WIDTH (&frame),
+          GST_VIDEO_FRAME_HEIGHT (&frame), GST_VIDEO_FRAME_WIDTH (&frame),
+          GST_VIDEO_FRAME_HEIGHT (&frame));
+    }
+
     gst_gl_upload_perform_with_data (glimage_sink->upload,
         glimage_sink->tex_id, frame.data);
 

diff --git a/gst/gl/gstgltestsrc.c b/gst/gl/gstgltestsrc.c
index 67e04f4..0c7fee0 100644 (file)
--- a/gst/gl/gstgltestsrc.c
+++ b/gst/gl/gstgltestsrc.c
@@ -304,16 +304,14 @@ gst_gl_test_src_get_property (GObject * object, guint prop_id,
 static gboolean
 gst_gl_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps)
 {
-  GstVideoInfo vinfo;
   GstGLTestSrc *gltestsrc = GST_GL_TEST_SRC (bsrc);
   guint out_width, out_height;
 
   GST_DEBUG ("setcaps");
 
-  if (!gst_video_info_from_caps (&vinfo, caps))
+  if (!gst_video_info_from_caps (&gltestsrc->out_info, caps))
     goto wrong_caps;
 
-  gltestsrc->out_info = vinfo;
   gltestsrc->negotiated = TRUE;
   out_width = GST_VIDEO_INFO_WIDTH (&gltestsrc->out_info);
   out_height = GST_VIDEO_INFO_HEIGHT (&gltestsrc->out_info);
@@ -322,17 +320,6 @@ gst_gl_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps)
           &gltestsrc->fbo, &gltestsrc->depthbuffer))
     goto display_error;
 
-  if (gltestsrc->out_tex_id)
-    gst_gl_display_del_texture (gltestsrc->display, &gltestsrc->out_tex_id);
-  gst_gl_display_gen_texture (gltestsrc->display, &gltestsrc->out_tex_id,
-      GST_VIDEO_FORMAT_RGBA, out_width, out_height);
-
-  gltestsrc->download = gst_gl_display_find_download (gltestsrc->display,
-      GST_VIDEO_INFO_FORMAT (&gltestsrc->out_info), out_width, out_height);
-
-  gst_gl_download_init_format (gltestsrc->download,
-      GST_VIDEO_INFO_FORMAT (&gltestsrc->out_info), out_width, out_height);
-
   return TRUE;
 
 /* ERRORS */
@@ -480,12 +467,26 @@ gst_gl_test_src_fill (GstPushSrc * psrc, GstBuffer * buffer)
     GST_INFO ("Output Buffer does not contain correct meta, "
         "attempting to wrap for download");
 
-    out_tex = src->out_tex_id;;
+    if (!src->out_tex_id) {
+      gst_gl_display_gen_texture (src->display, &src->out_tex_id,
+          GST_VIDEO_FORMAT_RGBA, GST_VIDEO_FRAME_WIDTH (&out_frame),
+          GST_VIDEO_FRAME_HEIGHT (&out_frame));
+    }
+    out_tex = src->out_tex_id;
+
+    if (!src->download) {
+      src->download = gst_gl_download_new (src->display);
+
+      gst_gl_download_init_format (src->download,
+          GST_VIDEO_FRAME_FORMAT (&out_frame),
+          GST_VIDEO_FRAME_WIDTH (&out_frame),
+          GST_VIDEO_FRAME_HEIGHT (&out_frame));
+    }
 
     out_gl_wrapped = TRUE;
   }
 
-  src->buffer = gst_buffer_ref (buffer);
+  gst_buffer_replace (&src->buffer, buffer);
 
   //blocking call, generate a FBO
   if (!gst_gl_display_use_fbo (src->display, width, height, src->fbo,
@@ -575,6 +576,14 @@ gst_gl_test_src_stop (GstBaseSrc * basesrc)
   GstGLTestSrc *src = GST_GL_TEST_SRC (basesrc);
 
   if (src->display) {
+    if (src->out_tex_id) {
+      gst_gl_display_del_texture (src->display, &src->out_tex_id);
+    }
+
+    if (src->download) {
+      g_object_unref (src->download);
+      src->download = NULL;
+    }
     //blocking call, delete the FBO
     gst_gl_display_del_fbo (src->display, src->fbo, src->depthbuffer);
     g_object_unref (src->display);