Initial version

Change-Id: I7efe9a589cd24edf86e8d086b40c27cbbf8b4017

1 files changed, 75 insertions, 0 deletions

diff --git a/encoder/irc_rd_model_struct.h b/encoder/irc_rd_model_struct.h
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+/******************************************************************************
+ *
+ * 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 RC_RD_MODEL_STRUCT
+#define RC_RD_MODEL_STRUCT
+
+/*Enable or diable QUAD model*/
+#define ENABLE_QUAD_RC_MODEL       0
+#define ENABLE_LIN_MODEL_WITH_INTERCEPT  0
+
+/* Number of elements for QP */
+#define MPEG2_QP_ELEM       (MAX_MPEG2_QP + 1)
+
+
+#if ENABLE_QUAD_RC_MODEL
+#define QUAD                       1
+#define MIN_FRAMES_FOR_QUAD_MODEL  5
+#endif
+
+#define MAX_ACTIVE_FRAMES          16
+#define MIN_FRAMES_FOR_LIN_MODEL   3
+#define INVALID_FRAME_INDEX        255
+
+#define UP_THR_SM           1  /* (1  /pow(2,4) = 0.0625   */
+#define UP_THR_E            4
+
+#define LO_THR_SM           368  /* (368.64 / pow(2,14)) = 0.0225 */
+#define LO_THR_E            14
+
+#define LIN_DEV_THR_SM     1  /* (1 / pow(1,2)) = .25*/
+#define LIN_DEV_THR_E      2
+
+#define PREV_FRAME_MODEL    2
+
+/* Q Factors used for fixed point calculation */
+#define Q_FORMAT_GAMMA  8
+#define Q_FORMAT_ETA    8
+
+typedef struct rc_rd_model_t
+{
+    UWORD8 u1_curr_frm_counter;
+    UWORD8 u1_num_frms_in_model;
+    UWORD8 u1_max_frms_to_model;
+    UWORD8 u1_model_used;
+
+    UWORD32 pi4_res_bits[MAX_FRAMES_MODELLED];
+    UWORD32 pi4_sad[MAX_FRAMES_MODELLED];
+
+    UWORD8 pu1_num_skips[MAX_FRAMES_MODELLED];
+    UWORD8 pu1_avg_qp[MAX_FRAMES_MODELLED];
+    UWORD8 au1_num_frames[MPEG2_QP_ELEM];
+
+    model_coeff model_coeff_a_lin_wo_int;
+    model_coeff model_coeff_b_lin_wo_int;
+    model_coeff model_coeff_c_lin_wo_int;
+} rc_rd_model_t;
+
+#endif /* RC_RD_MODEL_STRUCT */