summaryrefslogtreecommitdiff
path: root/src/video_dec/libvdpau/dpb.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/video_dec/libvdpau/dpb.h')
-rw-r--r--src/video_dec/libvdpau/dpb.h117
1 files changed, 117 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..e8635ff75
--- /dev/null
+++ b/src/video_dec/libvdpau/dpb.h
@@ -0,0 +1,117 @@
+/*
+ * 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_COUNT 16
+
+#include "nal.h"
+#include "cpb.h"
+#include <xine/video_out.h>
+#include <xine/list.h>
+
+#define USED_FOR_REF (top_is_reference || bottom_is_reference)
+
+/**
+ * ----------------------------------------------------------------------------
+ * decoded picture
+ * ----------------------------------------------------------------------------
+ */
+
+struct decoded_picture {
+ 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 top_is_reference;
+ uint8_t bottom_is_reference;
+
+ uint32_t lock_counter;
+};
+
+struct decoded_picture* init_decoded_picture(struct coded_picture *cpic,
+ vo_frame_t *img);
+void release_decoded_picture(struct decoded_picture *pic);
+void lock_decoded_picture(struct decoded_picture *pic);
+void decoded_pic_check_reference(struct decoded_picture *pic);
+void decoded_pic_add_field(struct decoded_picture *pic,
+ struct coded_picture *cpic);
+
+
+/**
+ * ----------------------------------------------------------------------------
+ * dpb code starting here
+ * ----------------------------------------------------------------------------
+ */
+
+/* Decoded Picture Buffer */
+struct dpb {
+ xine_list_t *reference_list;
+ xine_list_t *output_list;
+
+ int max_reorder_frames;
+ int max_dpb_frames;
+};
+
+struct dpb* create_dpb();
+void release_dpb(struct dpb *dpb);
+
+/**
+ * calculates the total number of frames in the dpb
+ * when frames are used for reference and are not drawn
+ * yet the result would be less then reference_list-size+
+ * output_list-size
+ */
+int dpb_total_frames(struct dpb *dpb);
+
+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_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_unmark_picture_delayed(struct dpb *dpb, struct decoded_picture *pic);
+int dpb_unmark_reference_picture(struct dpb *dpb, struct decoded_picture *pic);
+
+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);
+
+int dp_top_field_first(struct decoded_picture *decoded_pic);
+
+#endif /* DPB_H_ */