1 files changed, 119 insertions, 0 deletions
diff --git a/src/video_dec/libvdpau/dpb.h b/src/video_dec/libvdpau/dpb.h
new file mode 100644
index 000000000..9881ebccb
--- /dev/null
+++ b/src/video_dec/libvdpau/dpb.h
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2008 Julian Scheel
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * xine is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * dpb.h: Decoded Picture Buffer
+ */
+
+#ifndef DPB_H_
+#define DPB_H_
+
+#define MAX_DPB_SIZE 16
+
+#include "nal.h"
+#include "cpb.h"
+#include <xine/video_out.h>
+
+struct decoded_picture {
+  VdpVideoSurface surface;
+  vo_frame_t *img; /* this is the image we block, to make sure
+                    * the surface is not double-used */
+
+  /**
+   * a decoded picture always contains a whole frame,
+   * respective a field pair, so it can contain up to
+   * 2 coded pics
+   */
+  struct coded_picture *coded_pic[2];
+
+  int32_t frame_num_wrap;
+
+  uint8_t used_for_reference;
+  uint8_t top_is_reference;
+  uint8_t bottom_is_reference;
+
+  uint8_t delayed_output;
+
+  struct decoded_picture *next;
+
+  uint32_t lock_counter;
+};
+
+/* Decoded Picture Buffer */
+struct dpb {
+  struct decoded_picture *pictures;
+
+  uint32_t num_ref_frames;
+  uint32_t used;
+};
+
+struct decoded_picture* init_decoded_picture(struct coded_picture *cpic,
+    VdpVideoSurface surface, vo_frame_t *img);
+void release_decoded_picture(struct decoded_picture *pic);
+void lock_decoded_picture(struct decoded_picture *pic);
+void dpb_add_coded_picture(struct decoded_picture *pic,
+    struct coded_picture *cpic);
+
+/**
+ * returns the following picture from dpb, that is used for
+ * reference. if pic == NULL it returns the first ref pic in dpb
+ */
+struct decoded_picture* dpb_get_next_ref_pic(struct dpb *dpb,
+    struct decoded_picture *pic);
+
+struct decoded_picture* dpb_get_next_out_picture(struct dpb *dpb, int do_flush);
+
+struct decoded_picture* dpb_get_picture(struct dpb *dpb, uint32_t picnum);
+struct decoded_picture* dpb_get_picture_by_ltpn(struct dpb *dpb, uint32_t longterm_picnum);
+struct decoded_picture* dpb_get_picture_by_ltidx(struct dpb *dpb, uint32_t longterm_idx);
+
+int dpb_set_unused_ref_picture(struct dpb *dpb, uint32_t picnum);
+int dpb_set_unused_ref_picture_a(struct dpb *dpb, struct decoded_picture *refpic);
+int dpb_set_unused_ref_picture_byltpn(struct dpb *dpb, uint32_t longterm_picnum);
+int dpb_set_unused_ref_picture_bylidx(struct dpb *dpb, uint32_t longterm_idx);
+int dpb_set_unused_ref_picture_lidx_gt(struct dpb *dpb, int32_t longterm_idx);
+
+int dpb_set_output_picture(struct dpb *dpb, struct decoded_picture *outpic);
+
+int dpb_remove_picture(struct dpb *dpb, struct decoded_picture *rempic);
+int dpb_add_picture(struct dpb *dpb, struct decoded_picture *pic, uint32_t num_ref_frames);
+int dpb_flush(struct dpb *dpb);
+void dpb_free_all( struct dpb *dpb );
+void dpb_clear_all_pts( struct dpb *dpb );
+
+int fill_vdpau_reference_list(struct dpb *dpb, VdpReferenceFrameH264 *reflist);
+
+static int dp_top_field_first(struct decoded_picture *decoded_pic)
+{
+  int top_field_first = 0;
+
+
+  if (decoded_pic->coded_pic[0]->slc_nal->slc.field_pic_flag == 0) {
+    top_field_first = 1;
+  } else {
+    if (decoded_pic->coded_pic[1] != NULL) {
+      top_field_first = (decoded_pic->coded_pic[0]->top_field_order_cnt <= decoded_pic->coded_pic[1]->bottom_field_order_cnt);
+    } else {
+      top_field_first = (decoded_pic->coded_pic[0]->top_field_order_cnt <= decoded_pic->coded_pic[0]->bottom_field_order_cnt);
+    }
+  }
+
+  return top_field_first;
+}
+
+#endif /* DPB_H_ */