| /****************************************************************************** |
| * |
| * 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); |
| } |
| |
