aboutsummaryrefslogtreecommitdiff
path: root/encoder/ih264e_cabac_init.c
diff options
context:
space:
mode:
Diffstat (limited to 'encoder/ih264e_cabac_init.c')
-rw-r--r--encoder/ih264e_cabac_init.c164
1 files changed, 70 insertions, 94 deletions
diff --git a/encoder/ih264e_cabac_init.c b/encoder/ih264e_cabac_init.c
index 7407dcc..6eb2e34 100644
--- a/encoder/ih264e_cabac_init.c
+++ b/encoder/ih264e_cabac_init.c
@@ -21,19 +21,21 @@
/**
*******************************************************************************
* @file
-* ih264e_cabac_init.c
+* ih264e_cabac_init.c
*
* @brief
* Contains all initialization functions for cabac contexts
*
* @author
-* Doney Alex
-*
-* @par List of Functions:
+* ittiam
*
+* @par List of Functions
+* - ih264e_init_cabac_enc_envirnoment
+* - ih264e_init_cabac_table
+* - ih264e_init_cabac_ctxt
*
* @remarks
-* None
+* none
*
*******************************************************************************
*/
@@ -42,7 +44,7 @@
/* File Includes */
/*****************************************************************************/
-/* System include files */
+/* System Include Files */
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
@@ -50,57 +52,43 @@
#include <limits.h>
#include <assert.h>
-/* User include files */
+/* User Include Files */
+#include "ih264e_config.h"
#include "ih264_typedefs.h"
#include "iv2.h"
#include "ive2.h"
-#include "ih264_defs.h"
+
#include "ih264_debug.h"
-#include "ime_distortion_metrics.h"
-#include "ime_defs.h"
-#include "ime_structs.h"
+#include "ih264_macros.h"
#include "ih264_error.h"
+#include "ih264_defs.h"
+#include "ih264_mem_fns.h"
+#include "ih264_padding.h"
#include "ih264_structs.h"
#include "ih264_trans_quant_itrans_iquant.h"
#include "ih264_inter_pred_filters.h"
-#include "ih264_mem_fns.h"
-#include "ih264_padding.h"
#include "ih264_intra_pred_filters.h"
#include "ih264_deblk_edge_filters.h"
-#include "ih264_platform_macros.h"
-#include "ih264_macros.h"
-#include "ih264_buf_mgr.h"
-#include "ih264e_error.h"
-#include "ih264e_bitstream.h"
-#include "ih264_common_tables.h"
+#include "ih264_cavlc_tables.h"
#include "ih264_cabac_tables.h"
-#include "ih264_list.h"
-#include "ih264e_defs.h"
+#include "ih264_platform_macros.h"
+
+#include "ime_defs.h"
+#include "ime_distortion_metrics.h"
+#include "ime_structs.h"
+
#include "irc_cntrl_param.h"
#include "irc_frame_info_collector.h"
-#include "ih264e_rate_control.h"
+
+#include "ih264e_error.h"
+#include "ih264e_defs.h"
+#include "ih264e_bitstream.h"
#include "ih264e_cabac_structs.h"
#include "ih264e_structs.h"
-#include "ih264e_cabac.h"
-#include "ih264e_process.h"
-#include "ithread.h"
-#include "ih264e_intra_modes_eval.h"
#include "ih264e_encode_header.h"
-#include "ih264e_globals.h"
-#include "ih264e_config.h"
-#include "ih264e_trace.h"
+#include "ih264e_cabac.h"
#include "ih264e_statistics.h"
-#include "ih264_cavlc_tables.h"
-#include "ih264e_deblk.h"
-#include "ih264e_me.h"
-#include "ih264e_debug.h"
-#include "ih264e_master.h"
-#include "ih264e_utils.h"
-#include "irc_mem_req_and_acq.h"
-#include "irc_rate_control_api.h"
-#include "ih264e_platform_macros.h"
-#include "ime_statistics.h"
-
+#include "ih264e_trace.h"
/*****************************************************************************/
@@ -108,20 +96,18 @@
/*****************************************************************************/
/**
- *******************************************************************************
- *
- * @brief
- * Initialize cabac encoding environment
- *
- * @param[in] ps_cab_enc_env
- * Pointer to encoding_envirnoment_t structure
- *
- * @returns
- *
- * @remarks
- * None
- *
- *******************************************************************************
+*******************************************************************************
+*
+* @brief Initialize cabac encoding environment
+*
+* @param[in] ps_cab_enc_env
+* Pointer to encoding_envirnoment_t structure
+*
+* @returns none
+*
+* @remarks none
+*
+*******************************************************************************
*/
static void ih264e_init_cabac_enc_envirnoment(encoding_envirnoment_t *ps_cab_enc_env)
{
@@ -131,26 +117,23 @@ static void ih264e_init_cabac_enc_envirnoment(encoding_envirnoment_t *ps_cab_enc
ps_cab_enc_env->u4_bits_gen = 0;
}
-
/**
- *******************************************************************************
- *
- * @brief
- * Initialize default context values and pointers (Called once at the beginning of encoding).
- *
- * @param[in] ps_ent_ctxt
- * Pointer to entropy context structure
- *
- * @returns
- *
- * @remarks
- * None
- *
- *******************************************************************************
+*******************************************************************************
+*
+* @brief Initialize default context values and pointers. Called once at the
+* beginning of encoding.
+*
+* @param[in] ps_ent_ctxt
+* Pointer to entropy context structure
+*
+* @returns none
+*
+* @remarks none
+*
+*******************************************************************************
*/
void ih264e_init_cabac_table(entropy_ctxt_t *ps_ent_ctxt)
{
- /* CABAC context */
cabac_ctxt_t *ps_cabac_ctxt = ps_ent_ctxt->ps_cabac;
ps_cabac_ctxt->ps_mb_map_ctxt_inc = ps_cabac_ctxt->ps_mb_map_ctxt_inc_base + 1;
ps_cabac_ctxt->ps_lft_csbp = &ps_cabac_ctxt->s_lft_csbp;
@@ -158,7 +141,7 @@ void ih264e_init_cabac_table(entropy_ctxt_t *ps_ent_ctxt)
{
/* 0th entry of mb_map_ctxt_inc will be always be containing default values */
- /* for CABAC context representing MB not available */
+ /* for CABAC context representing MB not available */
mb_info_ctxt_t *ps_def_ctxt = ps_cabac_ctxt->ps_mb_map_ctxt_inc - 1;
ps_def_ctxt->u1_mb_type = CAB_SKIP;
@@ -171,30 +154,25 @@ void ih264e_init_cabac_table(entropy_ctxt_t *ps_ent_ctxt)
}
}
-
/**
- *******************************************************************************
- *
- * @brief
- * Initialize cabac context: Initialize all contest with init values given in the spec.
- * Called at the beginning of entropy coding of each slice for CABAC encoding.
- *
- * @param[in] ps_ent_ctxt
- * Pointer to entropy context structure
- *
- * @returns
- *
- * @remarks
- * None
- *
- *******************************************************************************
- */
+*******************************************************************************
+*
+* @brief Initialize cabac context: Initialize all contest with init values given
+* in the spec. Called at the beginning of entropy coding of each slice for
+* CABAC encoding.
+*
+* @param[in] ps_ent_ctxt
+* Pointer to entropy context structure
+*
+* @returns none
+*
+* @remarks none
+*
+*******************************************************************************
+*/
void ih264e_init_cabac_ctxt(entropy_ctxt_t *ps_ent_ctxt)
{
- /* CABAC context */
cabac_ctxt_t *ps_cabac_ctxt = ps_ent_ctxt->ps_cabac;
-
- /* slice header */
slice_header_t *ps_slice_hdr = ps_ent_ctxt->ps_slice_hdr_base;
const UWORD8 u1_slice_type = ps_slice_hdr->u1_slice_type;
WORD8 i1_cabac_init_idc = 0;
@@ -203,7 +181,7 @@ void ih264e_init_cabac_ctxt(entropy_ctxt_t *ps_ent_ctxt)
ih264e_init_cabac_enc_envirnoment(&ps_cabac_ctxt->s_cab_enc_env);
- ps_cabac_ctxt->i1_prevps_mb_qp_delta_ctxt = 0;
+ ps_cabac_ctxt->i1_prev_mb_qp_delta_ctxt = 0;
if (ISLICE != u1_slice_type)
{
@@ -212,11 +190,9 @@ void ih264e_init_cabac_ctxt(entropy_ctxt_t *ps_ent_ctxt)
else
{
i1_cabac_init_idc = 3;
-
}
memcpy(au1_cabac_ctxt_table,
gau1_ih264_cabac_ctxt_init_table[i1_cabac_init_idc][u1_qp_y],
NUM_CABAC_CTXTS * sizeof(bin_ctxt_model));
-
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-25 03:50:22 +0000