1 files changed, 77 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/vl/vl_decoder.c b/src/gallium/auxiliary/vl/vl_decoder.c
new file mode 100644
index 00000000000..fac03359a0f
--- /dev/null
+++ b/src/gallium/auxiliary/vl/vl_decoder.c
@@ -0,0 +1,77 @@
+/**************************************************************************
+ *
+ * Copyright 2009 Younes Manton.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include <pipe/p_video_decoder.h>
+
+#include <util/u_video.h>
+
+#include "vl_decoder.h"
+#include "vl_mpeg12_decoder.h"
+
+bool
+vl_profile_supported(struct pipe_screen *screen, enum pipe_video_profile profile)
+{
+   assert(screen);
+   switch (u_reduce_video_profile(profile)) {
+      case PIPE_VIDEO_CODEC_MPEG12:
+         return true;
+      default:
+         return false;
+   }
+}
+
+struct pipe_video_decoder *
+vl_create_decoder(struct pipe_context *pipe,
+                  enum pipe_video_profile profile,
+                  enum pipe_video_entrypoint entrypoint,
+                  enum pipe_video_chroma_format chroma_format,
+                  unsigned width, unsigned height)
+{
+   unsigned buffer_width, buffer_height;
+   bool pot_buffers;
+
+   assert(pipe);
+   assert(width > 0 && height > 0);
+   
+   pot_buffers = !pipe->screen->get_video_param
+   (
+      pipe->screen,
+      profile,
+      PIPE_VIDEO_CAP_NPOT_TEXTURES
+   );
+
+   buffer_width = pot_buffers ? util_next_power_of_two(width) : align(width, MACROBLOCK_WIDTH);
+   buffer_height = pot_buffers ? util_next_power_of_two(height) : align(height, MACROBLOCK_HEIGHT);
+
+   switch (u_reduce_video_profile(profile)) {
+      case PIPE_VIDEO_CODEC_MPEG12:
+         return vl_create_mpeg12_decoder(pipe, profile, entrypoint, chroma_format, buffer_width, buffer_height);
+      default:
+         return NULL;
+   }
+   return NULL;
+}