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Diffstat (limited to 'src/video_dec/libvdpau/dpb.h')
-rw-r--r-- | src/video_dec/libvdpau/dpb.h | 117 |
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..356bcbf70 --- /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); +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_ */ |