Initial version
Change-Id: I7efe9a589cd24edf86e8d086b40c27cbbf8b4017
diff --git a/decoder/ih264d_dpb_manager.h b/decoder/ih264d_dpb_manager.h
new file mode 100755
index 0000000..a9539c8
--- /dev/null
+++ b/decoder/ih264d_dpb_manager.h
@@ -0,0 +1,173 @@
+/******************************************************************************
+ *
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ *****************************************************************************
+ * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
+*/
+#ifndef _IH264D_DPB_MANAGER_H_
+#define _IH264D_DPB_MANAGER_H_
+/*!
+***************************************************************************
+* \file ih264d_dpb_manager.h
+*
+* \brief
+* Decoded Picture Buffer Manager Include File
+*
+* Detailed_description
+*
+* \date
+* 19-12-2002
+*
+* \author Sriram Sethuraman
+***************************************************************************
+*/
+#include "ih264_typedefs.h"
+#include "ih264_macros.h"
+#include "ih264_platform_macros.h"
+#include "ih264d_bitstrm.h"
+#include "ih264d_defs.h"
+
+#define END_OF_MMCO 0
+#define MARK_ST_PICNUM_AS_NONREF 1
+#define MARK_LT_INDEX_AS_NONREF 2
+#define MARK_ST_PICNUM_AS_LT_INDEX 3
+#define SET_MAX_LT_INDEX 4
+#define RESET_REF_PICTURES 5
+#define SET_LT_INDEX 6
+#define RESET_NONREF_PICTURES 7
+#define RESET_ALL_PICTURES 8
+
+struct field_t
+{
+ /* picNum of tbe reference field */
+ WORD32 i4_pic_num;
+
+ /* assigned when used for long term reference */
+ /* else MAX_REF_BUFS+1 */
+ UWORD8 u1_long_term_frame_idx;
+
+ /* 0 : unused for reference */
+ /* 1 : used for short term reference */
+ /* 2 : used for long term reference */
+ UWORD8 u1_reference_info;
+};
+
+
+struct dpb_info_t
+{
+ struct pic_buffer_t *ps_pic_buf; /** Pointer to picture buffer structure */
+ WORD32 i4_frame_num; /** frame number of picture - unique for each ref*/
+ struct dpb_info_t *ps_prev_short;/** Link to the DPB with previous picNum */
+ struct dpb_info_t *ps_prev_long; /** Link to the DPB with previous long term frame*/
+ struct field_t s_top_field; /** Contains information of the top_field
+ reference info, pic num and longt term frame idx */
+ struct field_t s_bot_field; /** Contains information of the bot_field
+ reference info, pic num and longt term frame idx */
+ UWORD8 u1_buf_id; /** bufID from bufAPI */
+ UWORD8 u1_used_as_ref; /** whether buffer is used as ref for frame or
+ complementary reference field pair */
+ UWORD8 u1_lt_idx; /** If buf is assigned long-term index; else MAX_REF_BUFS+1 */
+
+};
+
+typedef struct
+{
+ struct pic_buffer_t *ps_def_dpb[MAX_REF_BUFS];/** DPB in default index order */
+ struct pic_buffer_t *ps_mod_dpb[2][2 * MAX_REF_BUFS];/** DPB in reordered index order, 0-fwd,1-bwd */
+ struct pic_buffer_t *ps_init_dpb[2][2 * MAX_REF_BUFS];/** DPB in reordered index order, 0-fwd,1-bwd */
+ struct dpb_info_t *ps_dpb_st_head; /** Pointer to the most recent picNum */
+ struct dpb_info_t *ps_dpb_ht_head; /** Pointer to the smallest LT index */
+ struct dpb_info_t as_dpb_info[MAX_REF_BUFS]; /** Physical storage for dpbInfo for ref bufs */
+ UWORD8 u1_num_st_ref_bufs; /** Number of short term ref. buffers */
+ UWORD8 u1_num_lt_ref_bufs; /** Number of long term ref. buffer */
+ UWORD8 u1_max_lt_pic_idx_plus1; /** Maximum long term pictures - 0 to max_long_term_pic_idx */
+ UWORD8 u1_num_gaps; /** Total number of outstanding gaps */
+ void * pv_codec_handle; /* For Error Handling */
+ WORD32 i4_max_frm_num; /** Max frame number */
+ WORD32 ai4_gaps_start_frm_num[MAX_FRAMES];/** start frame number for a gap seqn */
+ WORD32 ai4_gaps_end_frm_num[MAX_FRAMES]; /** start frame number for a gap seqn */
+ WORD8 ai1_gaps_per_seq[MAX_FRAMES]; /** number of gaps with each gap seqn */
+ WORD32 ai4_poc_buf_id_map[MAX_FRAMES][3];
+ WORD8 i1_poc_buf_id_entries;
+ WORD8 i1_gaps_deleted;
+ UWORD16 u2_pic_wd;
+ UWORD16 u2_pic_ht;
+}dpb_manager_t;
+
+/** Structure store the MMC Commands */
+struct MMCParams
+{
+ UWORD32 u4_mmco; /** memory managemet control operation */
+ UWORD32 u4_diff_pic_num; /** diff Of Pic Nums Minus1 */
+ UWORD32 u4_lt_idx; /** Long Term Pic Idx */
+ UWORD32 u4_max_lt_idx_plus1; /** MaxLongTermPicIdxPlus1 */
+};
+
+typedef struct
+{
+ UWORD8 u1_dpb_commands_read; /** Flag to indicate that DBP commands are read */
+ UWORD8 u1_buf_mode; /** decoder Pic bugffering mode*/
+ UWORD8 u1_num_of_commands; /** Number of MMC commands */
+ /* These variables are ised in case of IDR pictures only */
+ UWORD8 u1_idr_pic; /** = 1 ,IDR pic */
+ UWORD8 u1_no_output_of_prior_pics_flag;
+ UWORD8 u1_long_term_reference_flag;
+ struct MMCParams as_mmc_params[MAX_REF_BUFS]; /* < Buffer to store MMC commands */
+ UWORD8 u1_dpb_commands_read_slc;
+}dpb_commands_t;
+
+void ih264d_init_ref_bufs(dpb_manager_t *ps_dpb_mgr);
+
+WORD32 ih264d_insert_st_node(dpb_manager_t *ps_dpb_mgr,
+ struct pic_buffer_t *ps_pic_buf,
+ UWORD8 u1_buf_id,
+ UWORD32 u2_cur_pic_num);
+WORD32 ih264d_update_default_index_list(dpb_manager_t *ps_dpb_mgr);
+WORD32 ih264d_do_mmco_buffer(dpb_commands_t *ps_dpb_cmds,
+ dpb_manager_t *ps_dpb_mgr,
+ UWORD8 u1_numRef_frames_for_seq,
+ UWORD32 u4_cur_pic_num,
+ UWORD32 u2_u4_max_pic_num_minus1,
+ UWORD8 u1_nal_unit_type,
+ struct pic_buffer_t *ps_pic_buf,
+ UWORD8 u1_buf_id,
+ UWORD8 u1_fld_pic_flag,
+ UWORD8 u1_curr_pic_in_err);
+void ih264d_release_pics_in_dpb(void *pv_dec,
+ UWORD8 u1_disp_bufs);
+void ih264d_reset_ref_bufs(dpb_manager_t *ps_dpb_mgr);
+WORD32 ih264d_delete_st_node_or_make_lt(dpb_manager_t *ps_dpb_mgr,
+ WORD32 u4_pic_num,
+ UWORD32 u4_lt_idx,
+ UWORD8 u1_fld_pic_flag);
+
+WORD32 ih264d_delete_gap_frm_mmco(dpb_manager_t *ps_dpb_mgr,
+ WORD32 i4_frame_num,
+ UWORD8 *pu1_del_node);
+
+WORD32 ih264d_delete_gap_frm_sliding(dpb_manager_t *ps_dpb_mgr,
+ WORD32 i4_frame_num,
+ UWORD8 *pu1_del_node);
+
+WORD32 ih264d_do_mmco_for_gaps(dpb_manager_t *ps_dpb_mgr,
+ UWORD8 u1_num_ref_frames);
+
+WORD32 ih264d_insert_pic_in_display_list(dpb_manager_t *ps_dpb_mgr,
+ UWORD8 u1_buf_id,
+ WORD32 i4_display_poc,
+ UWORD32 u4_frame_num);
+void ih264d_delete_nonref_nondisplay_pics(dpb_manager_t *ps_dpb_mgr);
+#endif /* _IH264D_DPB_MANAGER_H_ */