You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
290 lines
10 KiB
290 lines
10 KiB
/******************************************************************************
|
|
*
|
|
* 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
|
|
*/
|
|
#include "ih264_typedefs.h"
|
|
#include "ih264_macros.h"
|
|
#include "ih264_platform_macros.h"
|
|
#include "ih264_defs.h"
|
|
#include "ih264d_bitstrm.h"
|
|
#include "ih264d_structs.h"
|
|
#include "ih264d_parse_cavlc.h"
|
|
#include "ih264d_defs.h"
|
|
#include "ih264d_defs.h"
|
|
#include "ih264d_defs.h"
|
|
|
|
#include "ih264d_parse_slice.h"
|
|
#include "ih264d_tables.h"
|
|
#include "ih264d_utils.h"
|
|
#include "ih264d_nal.h"
|
|
#include "ih264d_deblocking.h"
|
|
|
|
#include "ih264d_mem_request.h"
|
|
#include "ih264d_debug.h"
|
|
|
|
#include "ih264d_error_handler.h"
|
|
#include "ih264d_mb_utils.h"
|
|
#include "ih264d_sei.h"
|
|
#include "ih264d_vui.h"
|
|
#include "ih264d_tables.h"
|
|
|
|
#define IDCT_BLOCK_WIDTH8X8 8
|
|
|
|
WORD32 ih264d_scaling_list(WORD16 *pi2_scaling_list,
|
|
WORD32 i4_size_of_scalinglist,
|
|
UWORD8 *pu1_use_default_scaling_matrix_flag,
|
|
dec_bit_stream_t *ps_bitstrm)
|
|
{
|
|
WORD32 i4_j, i4_delta_scale, i4_lastScale = 8, i4_nextScale = 8;
|
|
UWORD32 *pu4_bitstrm_buf = ps_bitstrm->pu4_buffer;
|
|
UWORD32 *pu4_bitstrm_ofst = &ps_bitstrm->u4_ofst;
|
|
|
|
*pu1_use_default_scaling_matrix_flag = 0;
|
|
|
|
for(i4_j = 0; i4_j < i4_size_of_scalinglist; i4_j++)
|
|
{
|
|
if(i4_nextScale != 0)
|
|
{
|
|
i4_delta_scale = ih264d_sev(pu4_bitstrm_ofst,
|
|
pu4_bitstrm_buf);
|
|
|
|
if(i4_delta_scale < MIN_H264_DELTA_SCALE ||
|
|
i4_delta_scale > MAX_H264_DELTA_SCALE)
|
|
{
|
|
return ERROR_INV_RANGE_QP_T;
|
|
}
|
|
i4_nextScale = ((i4_lastScale + i4_delta_scale + 256) & 0xff);
|
|
|
|
*pu1_use_default_scaling_matrix_flag = ((i4_j == 0)
|
|
&& (i4_nextScale == 0));
|
|
|
|
}
|
|
pi2_scaling_list[i4_j] =
|
|
(i4_nextScale == 0) ? (i4_lastScale) : (i4_nextScale);
|
|
i4_lastScale = pi2_scaling_list[i4_j];
|
|
}
|
|
return OK;
|
|
}
|
|
|
|
WORD32 ih264d_form_default_scaling_matrix(dec_struct_t *ps_dec)
|
|
{
|
|
|
|
/*************************************************************************/
|
|
/* perform the inverse scanning for the frame and field scaling matrices */
|
|
/*************************************************************************/
|
|
{
|
|
UWORD8 *pu1_inv_scan;
|
|
WORD32 i4_i, i4_j;
|
|
|
|
pu1_inv_scan = (UWORD8 *)gau1_ih264d_inv_scan;
|
|
|
|
/* for all 4x4 matrices */
|
|
for(i4_i = 0; i4_i < 6; i4_i++)
|
|
{
|
|
for(i4_j = 0; i4_j < 16; i4_j++)
|
|
{
|
|
ps_dec->s_high_profile.i2_scalinglist4x4[i4_i][pu1_inv_scan[i4_j]] =
|
|
16;
|
|
|
|
}
|
|
}
|
|
|
|
/* for all 8x8 matrices */
|
|
for(i4_i = 0; i4_i < 2; i4_i++)
|
|
{
|
|
for(i4_j = 0; i4_j < 64; i4_j++)
|
|
{
|
|
ps_dec->s_high_profile.i2_scalinglist8x8[i4_i][gau1_ih264d_inv_scan_prog8x8_cabac[i4_j]] =
|
|
16;
|
|
|
|
}
|
|
}
|
|
}
|
|
return OK;
|
|
}
|
|
|
|
WORD32 ih264d_form_scaling_matrix_picture(dec_seq_params_t *ps_seq,
|
|
dec_pic_params_t *ps_pic,
|
|
dec_struct_t *ps_dec)
|
|
{
|
|
/* default scaling matrices */
|
|
WORD32 i4_i;
|
|
|
|
/* check the SPS first */
|
|
if(ps_seq->i4_seq_scaling_matrix_present_flag)
|
|
{
|
|
for(i4_i = 0; i4_i < 8; i4_i++)
|
|
{
|
|
if(i4_i < 6)
|
|
{
|
|
/* fall-back rule A */
|
|
if(!ps_seq->u1_seq_scaling_list_present_flag[i4_i])
|
|
{
|
|
if((i4_i == 0) || (i4_i == 3))
|
|
{
|
|
ps_dec->s_high_profile.pi2_scale_mat[i4_i] =
|
|
(i4_i == 0) ? (WORD16 *)(gai2_ih264d_default_intra4x4) : (WORD16 *)(gai2_ih264d_default_inter4x4);
|
|
}
|
|
else
|
|
{
|
|
ps_dec->s_high_profile.pi2_scale_mat[i4_i] =
|
|
ps_dec->s_high_profile.pi2_scale_mat[i4_i
|
|
- 1];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(ps_seq->u1_use_default_scaling_matrix_flag[i4_i])
|
|
{
|
|
ps_dec->s_high_profile.pi2_scale_mat[i4_i] =
|
|
(i4_i < 3) ? (WORD16 *)(gai2_ih264d_default_intra4x4) : (WORD16 *)(gai2_ih264d_default_inter4x4);
|
|
}
|
|
else
|
|
{
|
|
ps_dec->s_high_profile.pi2_scale_mat[i4_i] =
|
|
ps_seq->i2_scalinglist4x4[i4_i];
|
|
}
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
/* fall-back rule A */
|
|
if((!ps_seq->u1_seq_scaling_list_present_flag[i4_i])
|
|
|| (ps_seq->u1_use_default_scaling_matrix_flag[i4_i]))
|
|
{
|
|
ps_dec->s_high_profile.pi2_scale_mat[i4_i] =
|
|
(i4_i == 6) ? ((WORD16*)gai2_ih264d_default_intra8x8) : ((WORD16*)gai2_ih264d_default_inter8x8);
|
|
}
|
|
else
|
|
{
|
|
ps_dec->s_high_profile.pi2_scale_mat[i4_i] =
|
|
ps_seq->i2_scalinglist8x8[i4_i - 6];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* checking for the PPS */
|
|
|
|
if(ps_pic->i4_pic_scaling_matrix_present_flag)
|
|
{
|
|
for(i4_i = 0; i4_i < 8; i4_i++)
|
|
{
|
|
if(i4_i < 6)
|
|
{
|
|
/* fall back rule B */
|
|
if(!ps_pic->u1_pic_scaling_list_present_flag[i4_i])
|
|
{
|
|
if((i4_i == 0) || (i4_i == 3))
|
|
{
|
|
if(!ps_seq->i4_seq_scaling_matrix_present_flag)
|
|
{
|
|
ps_dec->s_high_profile.pi2_scale_mat[i4_i] =
|
|
(i4_i == 0) ? (WORD16 *)(gai2_ih264d_default_intra4x4) : (WORD16 *)(gai2_ih264d_default_inter4x4);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ps_dec->s_high_profile.pi2_scale_mat[i4_i] =
|
|
ps_dec->s_high_profile.pi2_scale_mat[i4_i
|
|
- 1];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(ps_pic->u1_pic_use_default_scaling_matrix_flag[i4_i])
|
|
{
|
|
ps_dec->s_high_profile.pi2_scale_mat[i4_i] =
|
|
(i4_i < 3) ? (WORD16 *)(gai2_ih264d_default_intra4x4) : (WORD16 *)(gai2_ih264d_default_inter4x4);
|
|
}
|
|
else
|
|
{
|
|
ps_dec->s_high_profile.pi2_scale_mat[i4_i] =
|
|
ps_pic->i2_pic_scalinglist4x4[i4_i];
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(!ps_pic->u1_pic_scaling_list_present_flag[i4_i])
|
|
{
|
|
if(!ps_seq->i4_seq_scaling_matrix_present_flag)
|
|
{
|
|
ps_dec->s_high_profile.pi2_scale_mat[i4_i] =
|
|
(i4_i == 6) ? ((WORD16*)gai2_ih264d_default_intra8x8) : ((WORD16*)gai2_ih264d_default_inter8x8);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(ps_pic->u1_pic_use_default_scaling_matrix_flag[i4_i])
|
|
{
|
|
ps_dec->s_high_profile.pi2_scale_mat[i4_i] =
|
|
(i4_i == 6) ? (WORD16 *)(gai2_ih264d_default_intra8x8) : (WORD16 *)(gai2_ih264d_default_inter8x8);
|
|
}
|
|
else
|
|
{
|
|
ps_dec->s_high_profile.pi2_scale_mat[i4_i] =
|
|
ps_pic->i2_pic_scalinglist8x8[i4_i - 6];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*************************************************************************/
|
|
/* perform the inverse scanning for the frame and field scaling matrices */
|
|
/*************************************************************************/
|
|
{
|
|
UWORD8 *pu1_inv_scan_4x4;
|
|
WORD32 i4_i, i4_j;
|
|
|
|
pu1_inv_scan_4x4 = (UWORD8 *)gau1_ih264d_inv_scan;
|
|
|
|
/* for all 4x4 matrices */
|
|
for(i4_i = 0; i4_i < 6; i4_i++)
|
|
{
|
|
if(ps_dec->s_high_profile.pi2_scale_mat[i4_i] == NULL)
|
|
return ERROR_CORRUPTED_SLICE;
|
|
|
|
for(i4_j = 0; i4_j < 16; i4_j++)
|
|
{
|
|
ps_dec->s_high_profile.i2_scalinglist4x4[i4_i][pu1_inv_scan_4x4[i4_j]] =
|
|
ps_dec->s_high_profile.pi2_scale_mat[i4_i][i4_j];
|
|
|
|
}
|
|
}
|
|
|
|
/* for all 8x8 matrices */
|
|
for(i4_i = 0; i4_i < 2; i4_i++)
|
|
{
|
|
if(ps_dec->s_high_profile.pi2_scale_mat[i4_i + 6] == NULL)
|
|
return ERROR_CORRUPTED_SLICE;
|
|
|
|
for(i4_j = 0; i4_j < 64; i4_j++)
|
|
{
|
|
ps_dec->s_high_profile.i2_scalinglist8x8[i4_i][gau1_ih264d_inv_scan_prog8x8_cabac[i4_j]] =
|
|
ps_dec->s_high_profile.pi2_scale_mat[i4_i + 6][i4_j];
|
|
|
|
}
|
|
}
|
|
}
|
|
return OK;
|
|
}
|
|
|