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Cemu/dependencies/ih264d/decoder/ih264d_sei.c

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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
*/
/*****************************************************************************/
/* */
/* File Name : ih264d_sei.c */
/* */
/* Description : This file contains routines to parse SEI NAL's */
/* */
/* List of Functions : <List the functions defined in this file> */
/* */
/* Issues / Problems : None */
/* */
/* Revision History : */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 25 05 2005 NS Draft */
/* */
/*****************************************************************************/
#include <string.h>
#include "ih264_typedefs.h"
#include "ih264_macros.h"
#include "ih264_platform_macros.h"
#include "ih264d_bitstrm.h"
#include "ih264d_structs.h"
#include "ih264d_error_handler.h"
#include "ih264d_vui.h"
#include "ih264d_parse_cavlc.h"
#include "ih264d_defs.h"
/*****************************************************************************/
/* */
/* Function Name : ih264d_parse_buffering_period */
/* */
/* Description : This function parses SEI message buffering_period */
/* Inputs : ps_buf_prd pointer to struct buf_period_t */
/* ps_bitstrm Bitstream */
/* Globals : None */
/* Processing : Parses SEI payload buffering period. */
/* Outputs : None */
/* Return : 0 for successfull parsing, else error message */
/* */
/* Issues : Not implemented fully */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 06 05 2002 NS Draft */
/* */
/*****************************************************************************/
WORD32 ih264d_parse_buffering_period(buf_period_t *ps_buf_prd,
dec_bit_stream_t *ps_bitstrm,
dec_struct_t *ps_dec)
{
UWORD8 u1_seq_parameter_set_id;
dec_seq_params_t *ps_seq;
UWORD8 u1_nal_hrd_present, u1_vcl_hrd_present;
UWORD32 i;
UWORD32 *pu4_bitstrm_ofst = &ps_bitstrm->u4_ofst;
UWORD32 *pu4_bitstrm_buf = ps_bitstrm->pu4_buffer;
UNUSED(ps_buf_prd);
u1_seq_parameter_set_id = ih264d_uev(pu4_bitstrm_ofst,
pu4_bitstrm_buf);
if(u1_seq_parameter_set_id >= MAX_NUM_SEQ_PARAMS)
return ERROR_INVALID_SEQ_PARAM;
ps_seq = &ps_dec->ps_sps[u1_seq_parameter_set_id];
if(TRUE != ps_seq->u1_is_valid)
return ERROR_INVALID_SEQ_PARAM;
ps_dec->ps_sei->u1_seq_param_set_id = u1_seq_parameter_set_id;
ps_dec->ps_cur_sps = ps_seq;
if(FALSE == ps_seq->u1_is_valid)
return ERROR_INVALID_SEQ_PARAM;
if(1 == ps_seq->u1_vui_parameters_present_flag)
{
u1_nal_hrd_present = ps_seq->s_vui.u1_nal_hrd_params_present;
if(u1_nal_hrd_present)
{
for(i = 0; i < ps_seq->s_vui.s_nal_hrd.u4_cpb_cnt; i++)
{
ih264d_get_bits_h264(
ps_bitstrm,
ps_seq->s_vui.s_nal_hrd.u1_initial_cpb_removal_delay);
ih264d_get_bits_h264(
ps_bitstrm,
ps_seq->s_vui.s_nal_hrd.u1_initial_cpb_removal_delay);
}
}
u1_vcl_hrd_present = ps_seq->s_vui.u1_vcl_hrd_params_present;
if(u1_vcl_hrd_present)
{
for(i = 0; i < ps_seq->s_vui.s_vcl_hrd.u4_cpb_cnt; i++)
{
ih264d_get_bits_h264(
ps_bitstrm,
ps_seq->s_vui.s_vcl_hrd.u1_initial_cpb_removal_delay);
ih264d_get_bits_h264(
ps_bitstrm,
ps_seq->s_vui.s_vcl_hrd.u1_initial_cpb_removal_delay);
}
}
}
return (OK);
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_parse_pic_timing */
/* */
/* Description : This function parses SEI message pic_timing */
/* Inputs : ps_bitstrm Bitstream */
/* ps_dec Poniter decoder context */
/* ui4_payload_size pay load i4_size */
/* Globals : None */
/* Processing : Parses SEI payload picture timing */
/* Outputs : None */
/* Return : 0 */
/* */
/* Issues : Not implemented fully */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 06 05 2002 NS Draft */
/* */
/*****************************************************************************/
WORD32 ih264d_parse_pic_timing(dec_bit_stream_t *ps_bitstrm,
dec_struct_t *ps_dec,
UWORD32 ui4_payload_size)
{
sei *ps_sei;
vui_t *ps_vu4;
UWORD8 u1_cpb_dpb_present;
UWORD8 u1_pic_struct_present_flag;
UWORD32 u4_start_offset, u4_bits_consumed;
UWORD8 u1_cpb_removal_delay_length, u1_dpb_output_delay_length;
ps_sei = (sei *)ps_dec->ps_sei;
ps_vu4 = &ps_dec->ps_cur_sps->s_vui;
u1_cpb_dpb_present = ps_vu4->u1_vcl_hrd_params_present
+ ps_vu4->u1_nal_hrd_params_present;
if(ps_vu4->u1_vcl_hrd_params_present)
{
u1_cpb_removal_delay_length =
ps_vu4->s_vcl_hrd.u1_cpb_removal_delay_length;
u1_dpb_output_delay_length =
ps_vu4->s_vcl_hrd.u1_dpb_output_delay_length;
}
else if(ps_vu4->u1_nal_hrd_params_present)
{
u1_cpb_removal_delay_length =
ps_vu4->s_nal_hrd.u1_cpb_removal_delay_length;
u1_dpb_output_delay_length =
ps_vu4->s_nal_hrd.u1_dpb_output_delay_length;
}
else
{
u1_cpb_removal_delay_length = 24;
u1_dpb_output_delay_length = 24;
}
u4_start_offset = ps_bitstrm->u4_ofst;
if(u1_cpb_dpb_present)
{
ih264d_get_bits_h264(ps_bitstrm, u1_cpb_removal_delay_length);
ih264d_get_bits_h264(ps_bitstrm, u1_dpb_output_delay_length);
}
u1_pic_struct_present_flag = ps_vu4->u1_pic_struct_present_flag;
if(u1_pic_struct_present_flag)
{
ps_sei->u1_pic_struct = ih264d_get_bits_h264(ps_bitstrm, 4);
ps_dec->u1_pic_struct_copy = ps_sei->u1_pic_struct;
ps_sei->u1_is_valid = 1;
}
u4_bits_consumed = ps_bitstrm->u4_ofst - u4_start_offset;
if((ui4_payload_size << 3) < u4_bits_consumed)
return ERROR_CORRUPTED_SLICE;
ih264d_flush_bits_h264(ps_bitstrm,
(ui4_payload_size << 3) - u4_bits_consumed);
return (OK);
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_parse_recovery_point */
/* */
/* Description : This function parses SEI message recovery point */
/* Inputs : ps_bitstrm Bitstream */
/* ps_dec Poniter decoder context */
/* ui4_payload_size pay load i4_size */
/* Globals : None */
/* Processing : Parses SEI payload picture timing */
/* Outputs : None */
/* Return : 0 */
/* */
/* Issues : Not implemented fully */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 06 05 2002 NS Draft */
/* */
/*****************************************************************************/
WORD32 ih264d_parse_recovery_point(dec_bit_stream_t *ps_bitstrm,
dec_struct_t *ps_dec,
UWORD32 ui4_payload_size)
{
sei *ps_sei = ps_dec->ps_sei;
dec_err_status_t *ps_err = ps_dec->ps_dec_err_status;
UWORD32 *pu4_bitstrm_ofst = &ps_bitstrm->u4_ofst;
UWORD32 *pu4_bitstrm_buf = ps_bitstrm->pu4_buffer;
UNUSED(ui4_payload_size);
ps_sei->u2_recovery_frame_cnt = ih264d_uev(pu4_bitstrm_ofst,
pu4_bitstrm_buf);
ps_err->u4_frm_sei_sync = ps_err->u4_cur_frm
+ ps_sei->u2_recovery_frame_cnt;
ps_sei->u1_exact_match_flag = ih264d_get_bit_h264(ps_bitstrm);
ps_sei->u1_broken_link_flag = ih264d_get_bit_h264(ps_bitstrm);
ps_sei->u1_changing_slice_grp_idc = ih264d_get_bits_h264(ps_bitstrm, 2);
return (OK);
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_parse_mdcv */
/* */
/* Description : This function parses SEI message mdcv */
/* Inputs : ps_bitstrm Bitstream */
/* ps_dec Poniter decoder context */
/* ui4_payload_size pay load i4_size */
/* Globals : None */
/* Processing : */
/* Outputs : None */
/* Return : 0 for successfull parsing, else -1 */
/* */
/* Issues : */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* Draft */
/* */
/*****************************************************************************/
WORD32 ih264d_parse_mdcv(dec_bit_stream_t *ps_bitstrm,
dec_struct_t *ps_dec,
UWORD32 ui4_payload_size)
{
sei *ps_sei = ps_dec->ps_sei_parse;
dec_err_status_t *ps_err = ps_dec->ps_dec_err_status;
UWORD32 *pu4_bitstrm_ofst = &ps_bitstrm->u4_ofst;
UWORD32 *pu4_bitstrm_buf = ps_bitstrm->pu4_buffer;
UWORD32 u4_count;
UNUSED(ui4_payload_size);
if((ps_dec == NULL) || (ps_sei == NULL))
{
return NOT_OK;
}
ps_sei->u1_sei_mdcv_params_present_flag = 1;
/* display primaries x */
for(u4_count = 0; u4_count < NUM_SEI_MDCV_PRIMARIES; u4_count++)
{
ps_sei->s_sei_mdcv_params.au2_display_primaries_x[u4_count] =
(UWORD16)ih264d_get_bits_h264(ps_bitstrm, 16);
if((ps_sei->s_sei_mdcv_params.au2_display_primaries_x[u4_count] >
DISPLAY_PRIMARIES_X_UPPER_LIMIT) ||
(ps_sei->s_sei_mdcv_params.au2_display_primaries_x[u4_count] <
DISPLAY_PRIMARIES_X_LOWER_LIMIT) ||
((ps_sei->s_sei_mdcv_params.au2_display_primaries_x[u4_count] %
DISPLAY_PRIMARIES_X_DIVISION_FACTOR) != 0))
{
ps_sei->u1_sei_mdcv_params_present_flag = 0;
return ERROR_INV_SEI_MDCV_PARAMS;
}
ps_sei->s_sei_mdcv_params.au2_display_primaries_y[u4_count] =
(UWORD16)ih264d_get_bits_h264(ps_bitstrm, 16);
if((ps_sei->s_sei_mdcv_params.au2_display_primaries_y[u4_count] >
DISPLAY_PRIMARIES_Y_UPPER_LIMIT) ||
(ps_sei->s_sei_mdcv_params.au2_display_primaries_y[u4_count] <
DISPLAY_PRIMARIES_Y_LOWER_LIMIT) ||
((ps_sei->s_sei_mdcv_params.au2_display_primaries_y[u4_count] %
DISPLAY_PRIMARIES_Y_DIVISION_FACTOR) != 0))
{
ps_sei->u1_sei_mdcv_params_present_flag = 0;
return ERROR_INV_SEI_MDCV_PARAMS;
}
}
/* white point x */
ps_sei->s_sei_mdcv_params.u2_white_point_x = (UWORD16)ih264d_get_bits_h264(ps_bitstrm, 16);
if((ps_sei->s_sei_mdcv_params.u2_white_point_x > WHITE_POINT_X_UPPER_LIMIT) ||
(ps_sei->s_sei_mdcv_params.u2_white_point_x < WHITE_POINT_X_LOWER_LIMIT) ||
((ps_sei->s_sei_mdcv_params.u2_white_point_x % WHITE_POINT_X_DIVISION_FACTOR) != 0))
{
ps_sei->u1_sei_mdcv_params_present_flag = 0;
return ERROR_INV_SEI_MDCV_PARAMS;
}
/* white point y */
ps_sei->s_sei_mdcv_params.u2_white_point_y = (UWORD16)ih264d_get_bits_h264(ps_bitstrm, 16);
if((ps_sei->s_sei_mdcv_params.u2_white_point_y > WHITE_POINT_Y_UPPER_LIMIT) ||
(ps_sei->s_sei_mdcv_params.u2_white_point_y < WHITE_POINT_Y_LOWER_LIMIT) ||
((ps_sei->s_sei_mdcv_params.u2_white_point_y % WHITE_POINT_Y_DIVISION_FACTOR) != 0))
{
ps_sei->u1_sei_mdcv_params_present_flag = 0;
return ERROR_INV_SEI_MDCV_PARAMS;
}
/* max display mastering luminance */
ps_sei->s_sei_mdcv_params.u4_max_display_mastering_luminance =
(UWORD32)ih264d_get_bits_h264(ps_bitstrm, 32);
if((ps_sei->s_sei_mdcv_params.u4_max_display_mastering_luminance >
MAX_DISPLAY_MASTERING_LUMINANCE_UPPER_LIMIT) ||
(ps_sei->s_sei_mdcv_params.u4_max_display_mastering_luminance <
MAX_DISPLAY_MASTERING_LUMINANCE_LOWER_LIMIT) ||
((ps_sei->s_sei_mdcv_params.u4_max_display_mastering_luminance %
MAX_DISPLAY_MASTERING_LUMINANCE_DIVISION_FACTOR) != 0))
{
ps_sei->u1_sei_mdcv_params_present_flag = 0;
return ERROR_INV_SEI_MDCV_PARAMS;
}
/* min display mastering luminance */
ps_sei->s_sei_mdcv_params.u4_min_display_mastering_luminance =
(UWORD32)ih264d_get_bits_h264(ps_bitstrm, 32);
if((ps_sei->s_sei_mdcv_params.u4_min_display_mastering_luminance >
MIN_DISPLAY_MASTERING_LUMINANCE_UPPER_LIMIT) ||
(ps_sei->s_sei_mdcv_params.u4_min_display_mastering_luminance <
MIN_DISPLAY_MASTERING_LUMINANCE_LOWER_LIMIT))
{
ps_sei->u1_sei_mdcv_params_present_flag = 0;
return ERROR_INV_SEI_MDCV_PARAMS;
}
if(ps_sei->s_sei_mdcv_params.u4_max_display_mastering_luminance <=
ps_sei->s_sei_mdcv_params.u4_min_display_mastering_luminance)
{
ps_sei->u1_sei_mdcv_params_present_flag = 0;
return ERROR_INV_SEI_MDCV_PARAMS;
}
return (OK);
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_parse_cll */
/* */
/* Description : This function parses SEI message cll */
/* Inputs : ps_bitstrm Bitstream */
/* ps_dec Poniter decoder context */
/* ui4_payload_size pay load i4_size */
/* Globals : None */
/* Processing : */
/* Outputs : None */
/* Return : 0 for successfull parsing, else -1 */
/* */
/* Issues : */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* Draft */
/* */
/*****************************************************************************/
WORD32 ih264d_parse_cll(dec_bit_stream_t *ps_bitstrm,
dec_struct_t *ps_dec,
UWORD32 ui4_payload_size)
{
sei *ps_sei = ps_dec->ps_sei_parse;
dec_err_status_t *ps_err = ps_dec->ps_dec_err_status;
UWORD32 *pu4_bitstrm_ofst = &ps_bitstrm->u4_ofst;
UWORD32 *pu4_bitstrm_buf = ps_bitstrm->pu4_buffer;
UNUSED(ui4_payload_size);
if((ps_dec == NULL) || (ps_sei == NULL))
{
return NOT_OK;
}
ps_sei->u1_sei_cll_params_present_flag = 1;
ps_sei->s_sei_cll_params.u2_max_content_light_level =
(UWORD16)ih264d_get_bits_h264(ps_bitstrm, 16);
ps_sei->s_sei_cll_params.u2_max_pic_average_light_level =
(UWORD16)ih264d_get_bits_h264(ps_bitstrm, 16);
/*No any sanity checks done for CLL params*/
return (OK);
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_parse_ave */
/* */
/* Description : This function parses SEI message ave */
/* Inputs : ps_bitstrm Bitstream */
/* ps_dec Poniter decoder context */
/* ui4_payload_size pay load i4_size */
/* Globals : None */
/* Processing : */
/* Outputs : None */
/* Return : 0 for successfull parsing, else -1 */
/* */
/* Issues : */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* Draft */
/* */
/*****************************************************************************/
WORD32 ih264d_parse_ave(dec_bit_stream_t *ps_bitstrm,
dec_struct_t *ps_dec,
UWORD32 ui4_payload_size)
{
sei *ps_sei = ps_dec->ps_sei_parse;
dec_err_status_t *ps_err = ps_dec->ps_dec_err_status;
UWORD32 *pu4_bitstrm_ofst = &ps_bitstrm->u4_ofst;
UWORD32 *pu4_bitstrm_buf = ps_bitstrm->pu4_buffer;
UNUSED(ui4_payload_size);
if((ps_dec == NULL) || (ps_sei == NULL))
{
return NOT_OK;
}
ps_sei->u1_sei_ave_params_present_flag = 1;
ps_sei->s_sei_ave_params.u4_ambient_illuminance = (UWORD32)ih264d_get_bits_h264(ps_bitstrm, 32);
if(0 == ps_sei->s_sei_ave_params.u4_ambient_illuminance)
{
ps_sei->u1_sei_ave_params_present_flag = 0;
return ERROR_INV_SEI_AVE_PARAMS;
}
ps_sei->s_sei_ave_params.u2_ambient_light_x = (UWORD16)ih264d_get_bits_h264(ps_bitstrm, 16);
if(ps_sei->s_sei_ave_params.u2_ambient_light_x > AMBIENT_LIGHT_X_UPPER_LIMIT)
{
ps_sei->u1_sei_ave_params_present_flag = 0;
return ERROR_INV_SEI_AVE_PARAMS;
}
ps_sei->s_sei_ave_params.u2_ambient_light_y = (UWORD16)ih264d_get_bits_h264(ps_bitstrm, 16);
if(ps_sei->s_sei_ave_params.u2_ambient_light_y > AMBIENT_LIGHT_Y_UPPER_LIMIT)
{
ps_sei->u1_sei_ave_params_present_flag = 0;
return ERROR_INV_SEI_AVE_PARAMS;
}
return (OK);
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_parse_ccv */
/* */
/* Description : This function parses SEI message ccv */
/* Inputs : ps_bitstrm Bitstream */
/* ps_dec Poniter decoder context */
/* ui4_payload_size pay load i4_size */
/* Globals : None */
/* Processing : */
/* Outputs : None */
/* Return : 0 for successfull parsing, else -1 */
/* */
/* Issues : */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* Draft */
/* */
/*****************************************************************************/
WORD32 ih264d_parse_ccv(dec_bit_stream_t *ps_bitstrm,
dec_struct_t *ps_dec,
UWORD32 ui4_payload_size)
{
sei *ps_sei = ps_dec->ps_sei_parse;
dec_err_status_t *ps_err = ps_dec->ps_dec_err_status;
UWORD32 *pu4_bitstrm_ofst = &ps_bitstrm->u4_ofst;
UWORD32 *pu4_bitstrm_buf = ps_bitstrm->pu4_buffer;
UWORD32 u4_count;
UNUSED(ui4_payload_size);
if((ps_dec == NULL) || (ps_sei == NULL))
{
return NOT_OK;
}
ps_sei->u1_sei_ccv_params_present_flag = 0;
ps_sei->s_sei_ccv_params.u1_ccv_cancel_flag = (UWORD8)ih264d_get_bit_h264(ps_bitstrm);
if(ps_sei->s_sei_ccv_params.u1_ccv_cancel_flag > 1)
{
return ERROR_INV_SEI_CCV_PARAMS;
}
if(0 == ps_sei->s_sei_ccv_params.u1_ccv_cancel_flag)
{
ps_sei->s_sei_ccv_params.u1_ccv_persistence_flag =
(UWORD8)ih264d_get_bit_h264(ps_bitstrm);
if(ps_sei->s_sei_ccv_params.u1_ccv_persistence_flag > 1)
{
return ERROR_INV_SEI_CCV_PARAMS;
}
ps_sei->s_sei_ccv_params.u1_ccv_primaries_present_flag =
(UWORD8)ih264d_get_bit_h264(ps_bitstrm);
if(ps_sei->s_sei_ccv_params.u1_ccv_primaries_present_flag > 1)
{
return ERROR_INV_SEI_CCV_PARAMS;
}
ps_sei->s_sei_ccv_params.u1_ccv_min_luminance_value_present_flag =
(UWORD8)ih264d_get_bit_h264(ps_bitstrm);
if(ps_sei->s_sei_ccv_params.u1_ccv_min_luminance_value_present_flag > 1)
{
return ERROR_INV_SEI_CCV_PARAMS;
}
ps_sei->s_sei_ccv_params.u1_ccv_max_luminance_value_present_flag =
(UWORD8)ih264d_get_bit_h264(ps_bitstrm);
if(ps_sei->s_sei_ccv_params.u1_ccv_max_luminance_value_present_flag > 1)
{
return ERROR_INV_SEI_CCV_PARAMS;
}
ps_sei->s_sei_ccv_params.u1_ccv_avg_luminance_value_present_flag =
(UWORD8)ih264d_get_bit_h264(ps_bitstrm);
if(ps_sei->s_sei_ccv_params.u1_ccv_avg_luminance_value_present_flag > 1)
{
return ERROR_INV_SEI_CCV_PARAMS;
}
if((ps_sei->s_sei_ccv_params.u1_ccv_primaries_present_flag == 0) &&
(ps_sei->s_sei_ccv_params.u1_ccv_min_luminance_value_present_flag == 0) &&
(ps_sei->s_sei_ccv_params.u1_ccv_max_luminance_value_present_flag == 0) &&
(ps_sei->s_sei_ccv_params.u1_ccv_avg_luminance_value_present_flag == 0))
{
return ERROR_INV_SEI_CCV_PARAMS;
}
ps_sei->s_sei_ccv_params.u1_ccv_reserved_zero_2bits =
(UWORD8)ih264d_get_bits_h264(ps_bitstrm, 2);
if((ps_sei->s_sei_ccv_params.u1_ccv_reserved_zero_2bits != 0))
{
return ERROR_INV_SEI_CCV_PARAMS;
}
/* ccv primaries */
if(1 == ps_sei->s_sei_ccv_params.u1_ccv_primaries_present_flag)
{
for(u4_count = 0; u4_count < NUM_SEI_CCV_PRIMARIES; u4_count++)
{
ps_sei->s_sei_ccv_params.ai4_ccv_primaries_x[u4_count] =
(WORD32)ih264d_get_bits_h264(ps_bitstrm, 32);
if((ps_sei->s_sei_ccv_params.ai4_ccv_primaries_x[u4_count] >
CCV_PRIMARIES_X_UPPER_LIMIT) ||
(ps_sei->s_sei_ccv_params.ai4_ccv_primaries_x[u4_count] <
CCV_PRIMARIES_X_LOWER_LIMIT))
{
return ERROR_INV_SEI_CCV_PARAMS;
}
ps_sei->s_sei_ccv_params.ai4_ccv_primaries_y[u4_count] =
(WORD32)ih264d_get_bits_h264(ps_bitstrm, 32);
if((ps_sei->s_sei_ccv_params.ai4_ccv_primaries_y[u4_count] >
CCV_PRIMARIES_Y_UPPER_LIMIT) ||
(ps_sei->s_sei_ccv_params.ai4_ccv_primaries_y[u4_count] <
CCV_PRIMARIES_Y_LOWER_LIMIT))
{
return ERROR_INV_SEI_CCV_PARAMS;
}
}
}
if(1 == ps_sei->s_sei_ccv_params.u1_ccv_min_luminance_value_present_flag)
{
ps_sei->s_sei_ccv_params.u4_ccv_min_luminance_value =
(UWORD32)ih264d_get_bits_h264(ps_bitstrm, 32);
}
if(1 == ps_sei->s_sei_ccv_params.u1_ccv_max_luminance_value_present_flag)
{
ps_sei->s_sei_ccv_params.u4_ccv_max_luminance_value =
(UWORD32)ih264d_get_bits_h264(ps_bitstrm, 32);
if((1 == ps_sei->s_sei_ccv_params.u1_ccv_min_luminance_value_present_flag) &&
(ps_sei->s_sei_ccv_params.u4_ccv_max_luminance_value <
ps_sei->s_sei_ccv_params.u4_ccv_min_luminance_value))
{
return ERROR_INV_SEI_CCV_PARAMS;
}
}
if(1 == ps_sei->s_sei_ccv_params.u1_ccv_avg_luminance_value_present_flag)
{
ps_sei->s_sei_ccv_params.u4_ccv_avg_luminance_value =
(UWORD32)ih264d_get_bits_h264(ps_bitstrm, 32);
if((1 == ps_sei->s_sei_ccv_params.u1_ccv_min_luminance_value_present_flag) &&
(ps_sei->s_sei_ccv_params.u4_ccv_avg_luminance_value <
ps_sei->s_sei_ccv_params.u4_ccv_min_luminance_value))
{
return ERROR_INV_SEI_CCV_PARAMS;
}
if((1 == ps_sei->s_sei_ccv_params.u1_ccv_max_luminance_value_present_flag) &&
(ps_sei->s_sei_ccv_params.u4_ccv_max_luminance_value <
ps_sei->s_sei_ccv_params.u4_ccv_avg_luminance_value))
{
return ERROR_INV_SEI_CCV_PARAMS;
}
}
}
ps_sei->u1_sei_ccv_params_present_flag = 1;
return (OK);
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_parse_sei_payload */
/* */
/* Description : This function parses SEI pay loads. Currently it's */
/* implemented partially. */
/* Inputs : ps_bitstrm Bitstream */
/* ui4_payload_type SEI payload type */
/* ui4_payload_size SEI payload i4_size */
/* Globals : None */
/* Processing : Parses SEI payloads units and stores the info */
/* Outputs : None */
/* Return : status for successful parsing, else -1 */
/* */
/* Issues : Not implemented fully */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 06 05 2002 NS Draft */
/* */
/*****************************************************************************/
WORD32 ih264d_parse_sei_payload(dec_bit_stream_t *ps_bitstrm,
UWORD32 ui4_payload_type,
UWORD32 ui4_payload_size,
dec_struct_t *ps_dec)
{
sei *ps_sei;
WORD32 i4_status = 0;
ps_sei = (sei *)ps_dec->ps_sei_parse;
if(ui4_payload_size == 0)
return -1;
if(NULL == ps_bitstrm)
{
return NOT_OK;
}
switch(ui4_payload_type)
{
case SEI_BUF_PERIOD:
i4_status = ih264d_parse_buffering_period(&ps_sei->s_buf_period,
ps_bitstrm, ps_dec);
break;
case SEI_PIC_TIMING:
if(NULL == ps_dec->ps_cur_sps)
i4_status = ih264d_flush_bits_h264(ps_bitstrm, (ui4_payload_size << 3));
else
i4_status = ih264d_parse_pic_timing(ps_bitstrm, ps_dec,
ui4_payload_size);
break;
case SEI_RECOVERY_PT:
i4_status = ih264d_parse_recovery_point(ps_bitstrm, ps_dec,
ui4_payload_size);
break;
case SEI_MASTERING_DISP_COL_VOL:
i4_status = ih264d_parse_mdcv(ps_bitstrm, ps_dec,
ui4_payload_size);
break;
case SEI_CONTENT_LIGHT_LEVEL_DATA:
i4_status = ih264d_parse_cll(ps_bitstrm, ps_dec,
ui4_payload_size);
break;
case SEI_AMBIENT_VIEWING_ENVIRONMENT:
i4_status = ih264d_parse_ave(ps_bitstrm, ps_dec,
ui4_payload_size);
break;
case SEI_CONTENT_COLOR_VOLUME:
i4_status = ih264d_parse_ccv(ps_bitstrm, ps_dec,
ui4_payload_size);
break;
default:
i4_status = ih264d_flush_bits_h264(ps_bitstrm, (ui4_payload_size << 3));
break;
}
return (i4_status);
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_parse_sei_message */
/* */
/* Description : This function is parses and decode SEI. Currently it's */
/* not implemented fully. */
/* Inputs : ps_dec Decoder parameters */
/* ps_bitstrm Bitstream */
/* Globals : None */
/* Processing : Parses SEI NAL units and stores the info */
/* Outputs : None */
/* Returns : None */
/* */
/* Issues : Not implemented fully */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 06 05 2002 NS Draft */
/* */
/*****************************************************************************/
WORD32 ih264d_parse_sei_message(dec_struct_t *ps_dec,
dec_bit_stream_t *ps_bitstrm)
{
UWORD32 ui4_payload_type, ui4_payload_size;
UWORD32 u4_bits;
WORD32 i4_status = 0;
do
{
ui4_payload_type = 0;
if(!CHECK_BITS_SUFFICIENT(ps_bitstrm, 8))
{
return ERROR_EOB_GETBITS_T;
}
u4_bits = ih264d_get_bits_h264(ps_bitstrm, 8);
while(0xff == u4_bits && CHECK_BITS_SUFFICIENT(ps_bitstrm, 8))
{
u4_bits = ih264d_get_bits_h264(ps_bitstrm, 8);
ui4_payload_type += 255;
}
ui4_payload_type += u4_bits;
ui4_payload_size = 0;
if(!CHECK_BITS_SUFFICIENT(ps_bitstrm, 8))
{
return ERROR_EOB_GETBITS_T;
}
u4_bits = ih264d_get_bits_h264(ps_bitstrm, 8);
while(0xff == u4_bits && CHECK_BITS_SUFFICIENT(ps_bitstrm, 8))
{
u4_bits = ih264d_get_bits_h264(ps_bitstrm, 8);
ui4_payload_size += 255;
}
ui4_payload_size += u4_bits;
if(!CHECK_BITS_SUFFICIENT(ps_bitstrm, (ui4_payload_size << 3)))
{
return ERROR_EOB_GETBITS_T;
}
i4_status = ih264d_parse_sei_payload(ps_bitstrm, ui4_payload_type,
ui4_payload_size, ps_dec);
if(i4_status != OK)
return i4_status;
if(ih264d_check_byte_aligned(ps_bitstrm) == 0)
{
u4_bits = ih264d_get_bit_h264(ps_bitstrm);
if(0 == u4_bits)
{
H264_DEC_DEBUG_PRINT("\nError in parsing SEI message");
}
while(0 == ih264d_check_byte_aligned(ps_bitstrm)
&& CHECK_BITS_SUFFICIENT(ps_bitstrm, 1))
{
u4_bits = ih264d_get_bit_h264(ps_bitstrm);
if(u4_bits)
{
H264_DEC_DEBUG_PRINT("\nError in parsing SEI message");
}
}
}
}
while(MORE_RBSP_DATA(ps_bitstrm));
return (i4_status);
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_export_sei_mdcv_params */
/* */
/* Description : This function populates SEI mdcv message in */
/* output structure */
/* Inputs : ps_sei_mdcv_op pointer to sei mdcv o\p struct */
/* : ps_sei pointer to decoded sei params */
/* Outputs : */
/* Returns : returns 0 for success; -1 for failure */
/* */
/* Issues : none */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* */
/* */
/*****************************************************************************/
WORD32 ih264d_export_sei_mdcv_params(ivd_sei_decode_op_t *ps_sei_decode_op,
sei *ps_sei, sei *ps_sei_export)
{
if((ps_sei_export == NULL) || (ps_sei == NULL))
{
return NOT_OK;
}
ps_sei_export->u1_sei_mdcv_params_present_flag = ps_sei->u1_sei_mdcv_params_present_flag;
ps_sei_decode_op->u1_sei_mdcv_params_present_flag = ps_sei->u1_sei_mdcv_params_present_flag;
if(0 == ps_sei_export->u1_sei_mdcv_params_present_flag)
{
memset(&ps_sei_export->s_sei_mdcv_params, 0, sizeof(sei_mdcv_params_t));
}
else
{
memcpy(&ps_sei_export->s_sei_mdcv_params, &ps_sei->s_sei_mdcv_params,
sizeof(sei_mdcv_params_t));
}
return (OK);
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_export_sei_cll_params */
/* */
/* Description : This function populates SEI cll message in */
/* output structure */
/* Inputs : ps_sei_cll_op pointer to sei cll o\p struct */
/* : ps_sei pointer to decoded sei params */
/* Outputs : */
/* Returns : returns 0 for success; -1 for failure */
/* */
/* Issues : none */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* */
/* */
/*****************************************************************************/
WORD32 ih264d_export_sei_cll_params(ivd_sei_decode_op_t *ps_sei_decode_op,
sei *ps_sei, sei *ps_sei_export)
{
if((ps_sei_export == NULL) || (ps_sei == NULL))
{
return NOT_OK;
}
ps_sei_export->u1_sei_cll_params_present_flag = ps_sei->u1_sei_cll_params_present_flag;
ps_sei_decode_op->u1_sei_cll_params_present_flag = ps_sei->u1_sei_cll_params_present_flag;
if(0 == ps_sei_export->u1_sei_cll_params_present_flag)
{
memset(&ps_sei_export->s_sei_cll_params, 0, sizeof(sei_cll_params_t));
}
else
{
memcpy(&ps_sei_export->s_sei_cll_params, &ps_sei->s_sei_cll_params,
sizeof(sei_cll_params_t));
}
return (OK);
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_export_sei_ave_params */
/* */
/* Description : This function populates SEI ave message in */
/* output structure */
/* Inputs : ps_sei_ave_op pointer to sei ave o\p struct */
/* : ps_sei pointer to decoded sei params */
/* Outputs : */
/* Returns : returns 0 for success; -1 for failure */
/* */
/* Issues : none */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* */
/* */
/*****************************************************************************/
WORD32 ih264d_export_sei_ave_params(ivd_sei_decode_op_t *ps_sei_decode_op,
sei *ps_sei, sei *ps_sei_export)
{
if((ps_sei_export == NULL) || (ps_sei == NULL))
{
return NOT_OK;
}
ps_sei_export->u1_sei_ave_params_present_flag = ps_sei->u1_sei_ave_params_present_flag;
ps_sei_decode_op->u1_sei_ave_params_present_flag = ps_sei->u1_sei_ave_params_present_flag;
if(0 == ps_sei_export->u1_sei_ave_params_present_flag)
{
memset(&ps_sei_export->s_sei_ave_params, 0, sizeof(sei_ave_params_t));
}
else
{
memcpy(&ps_sei_export->s_sei_ave_params, &ps_sei->s_sei_ave_params,
sizeof(sei_ave_params_t));
}
return (OK);
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_export_sei_ccv_params */
/* */
/* Description : This function populates SEI ccv message in */
/* output structure */
/* Inputs : ps_sei_ccv_op pointer to sei ccv o\p struct */
/* : ps_sei pointer to decoded sei params */
/* Outputs : */
/* Returns : returns 0 for success; -1 for failure */
/* */
/* Issues : none */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* */
/* */
/*****************************************************************************/
WORD32 ih264d_export_sei_ccv_params(ivd_sei_decode_op_t *ps_sei_decode_op,
sei *ps_sei, sei *ps_sei_export)
{
if((ps_sei_export == NULL) || (ps_sei == NULL))
{
return NOT_OK;
}
ps_sei_export->u1_sei_ccv_params_present_flag = ps_sei->u1_sei_ccv_params_present_flag;
ps_sei_decode_op->u1_sei_ccv_params_present_flag = ps_sei->u1_sei_ccv_params_present_flag;
if(0 == ps_sei_export->u1_sei_ccv_params_present_flag)
{
memset(&ps_sei_export->s_sei_ccv_params, 0, sizeof(sei_ccv_params_t));
}
else
{
memcpy(&ps_sei_export->s_sei_ccv_params, &ps_sei->s_sei_ccv_params,
sizeof(sei_ccv_params_t));
}
return (OK);
}
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