/src/libxaac/encoder/ixheaace_mps_delay.c

Source (jump to first uncovered line)
/******************************************************************************
 *                                                                            *
 * Copyright (C) 2023 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 "ixheaac_type_def.h"
#include "ixheaac_constants.h"
#include "ixheaac_error_standards.h"
#include "ixheaace_error_codes.h"

#include "ixheaac_basic_ops32.h"
#include "ixheaac_basic_ops40.h"
#include "ixheaac_basic_ops.h"
#include "ixheaace_mps_common_define.h"
#include "ixheaace_mps_defines.h"
#include "ixheaace_mps_delay.h"
#include "ixheaace_mps_common_fix.h"

VOID ixheaace_mps_212_delay_sub_calculate_buffer_delays(ixheaace_mps_pstr_delay pstr_delay) {
  WORD32 num_encoder_an_delay, num_encoder_win_delay, num_decoder_an_delay, num_decoder_syn_delay,
      num_residual_coder_frame_delay, num_arb_dmx_residual_coder_frame_delay;
  WORD32 temp_delay_1, temp_delay_2, temp_delay_12, temp_delay_3;

  if (pstr_delay->delay_config.b_sac_time_alignment_dynamic_out > 0) {
    pstr_delay->delay_config.n_sac_time_alignment = 0;
  }

  num_encoder_an_delay =
      2 * pstr_delay->delay_config.num_qmf_len + pstr_delay->delay_config.num_qmf_len / 2;
  num_decoder_an_delay =
      2 * pstr_delay->delay_config.num_qmf_len + pstr_delay->delay_config.num_qmf_len / 2;
  num_decoder_syn_delay =
      1 * pstr_delay->delay_config.num_qmf_len + pstr_delay->delay_config.num_qmf_len / 2;
  num_encoder_win_delay = pstr_delay->delay_config.num_frame_len / 2;
  num_residual_coder_frame_delay = 0;
  num_arb_dmx_residual_coder_frame_delay = 0;

  temp_delay_1 =
      pstr_delay->delay_config.n_arb_dmx_delay - pstr_delay->delay_config.n_surround_delay;
  if (temp_delay_1 >= 0) {
    pstr_delay->num_surround_analysis_buffer = temp_delay_1;
    pstr_delay->num_arb_dmx_analysis_buffer = 0;
  } else {
    pstr_delay->num_surround_analysis_buffer = 0;
    pstr_delay->num_arb_dmx_analysis_buffer = -temp_delay_1;
  }

  temp_delay_1 = num_encoder_win_delay + pstr_delay->delay_config.n_surround_delay +
                 pstr_delay->num_surround_analysis_buffer + num_encoder_an_delay;
  temp_delay_2 = num_encoder_win_delay + pstr_delay->delay_config.n_arb_dmx_delay +
                 pstr_delay->num_arb_dmx_analysis_buffer + num_encoder_an_delay;
  temp_delay_3 = pstr_delay->delay_config.n_arb_dmx_delay +
                 pstr_delay->delay_config.n_limiter_delay +
                 pstr_delay->delay_config.num_core_coder_delay +
                 pstr_delay->delay_config.n_sac_time_alignment + num_decoder_an_delay;

  temp_delay_12 = MAX(num_residual_coder_frame_delay, num_arb_dmx_residual_coder_frame_delay) *
                  pstr_delay->delay_config.num_frame_len;
  temp_delay_12 += pstr_delay->delay_config.num_sac_stream_mux_delay;

  if (temp_delay_1 > temp_delay_2) {
    temp_delay_12 += temp_delay_1;
  } else {
    temp_delay_12 += temp_delay_2;
  }

  if (temp_delay_3 > temp_delay_12) {
    if (pstr_delay->delay_config.b_minimize_delay > 0) {
      pstr_delay->num_bitstream_frame_buffer =
          (temp_delay_3 - temp_delay_12) / pstr_delay->delay_config.num_frame_len;
      pstr_delay->num_output_audio_buffer = 0;
      pstr_delay->num_surround_analysis_buffer +=
          (temp_delay_3 - temp_delay_12 -
           (pstr_delay->num_bitstream_frame_buffer * pstr_delay->delay_config.num_frame_len));
      pstr_delay->num_arb_dmx_analysis_buffer +=
          (temp_delay_3 - temp_delay_12 -
           (pstr_delay->num_bitstream_frame_buffer * pstr_delay->delay_config.num_frame_len));
    } else {
      pstr_delay->num_bitstream_frame_buffer =
          ((temp_delay_3 - temp_delay_12) + pstr_delay->delay_config.num_frame_len - 1) /
          pstr_delay->delay_config.num_frame_len;
      pstr_delay->num_output_audio_buffer =
          pstr_delay->num_bitstream_frame_buffer * pstr_delay->delay_config.num_frame_len +
          temp_delay_12 - temp_delay_3;
    }
  } else {
    pstr_delay->num_bitstream_frame_buffer = 0;
    pstr_delay->num_output_audio_buffer = temp_delay_12 - temp_delay_3;
  }

  if (pstr_delay->delay_config.b_dmx_align > 0) {
    WORD32 temp_delay =
        pstr_delay->delay_config.n_arb_dmx_delay + pstr_delay->num_output_audio_buffer +
        pstr_delay->delay_config.n_limiter_delay + pstr_delay->delay_config.num_core_coder_delay;
    pstr_delay->num_discard_out_frames =
        (temp_delay + pstr_delay->delay_config.num_frame_len - 1) /
        pstr_delay->delay_config.num_frame_len;
    pstr_delay->num_dmx_align_buffer =
        pstr_delay->num_discard_out_frames * pstr_delay->delay_config.num_frame_len - temp_delay;
  } else {
    pstr_delay->num_discard_out_frames = 0;
    pstr_delay->num_dmx_align_buffer = 0;
  }

  pstr_delay->num_info_dmx_delay = pstr_delay->delay_config.n_arb_dmx_delay +
                                   pstr_delay->num_output_audio_buffer +
                                   pstr_delay->delay_config.n_limiter_delay;
  pstr_delay->num_info_codec_delay = pstr_delay->num_info_dmx_delay +
                                     pstr_delay->delay_config.num_core_coder_delay +
                                     pstr_delay->delay_config.n_sac_time_alignment +
                                     num_decoder_an_delay + num_decoder_syn_delay;
  pstr_delay->num_info_decoder_delay = num_decoder_an_delay + num_decoder_syn_delay;
  pstr_delay->num_bitstream_frame_buffer_size = pstr_delay->num_bitstream_frame_buffer + 1;
}

Line	Count	Source (jump to first uncovered line)
1		/******************************************************************************
2		* *
3		* Copyright (C) 2023 The Android Open Source Project
4		*
5		* Licensed under the Apache License, Version 2.0 (the "License");
6		* you may not use this file except in compliance with the License.
7		* You may obtain a copy of the License at:
8		*
9		* http://www.apache.org/licenses/LICENSE-2.0
10		*
11		* Unless required by applicable law or agreed to in writing, software
12		* distributed under the License is distributed on an "AS IS" BASIS,
13		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14		* See the License for the specific language governing permissions and
15		* limitations under the License.
16		*
17		*****************************************************************************
18		* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
19		*/
20
21		#include "ixheaac_type_def.h"
22		#include "ixheaac_constants.h"
23		#include "ixheaac_error_standards.h"
24		#include "ixheaace_error_codes.h"
25
26		#include "ixheaac_basic_ops32.h"
27		#include "ixheaac_basic_ops40.h"
28		#include "ixheaac_basic_ops.h"
29		#include "ixheaace_mps_common_define.h"
30		#include "ixheaace_mps_defines.h"
31		#include "ixheaace_mps_delay.h"
32		#include "ixheaace_mps_common_fix.h"
33
34	1.66k	VOID ixheaace_mps_212_delay_sub_calculate_buffer_delays(ixheaace_mps_pstr_delay pstr_delay) {
35	1.66k	WORD32 num_encoder_an_delay, num_encoder_win_delay, num_decoder_an_delay, num_decoder_syn_delay,
36	1.66k	num_residual_coder_frame_delay, num_arb_dmx_residual_coder_frame_delay;
37	1.66k	WORD32 temp_delay_1, temp_delay_2, temp_delay_12, temp_delay_3;
38
39	1.66k	if (pstr_delay->delay_config.b_sac_time_alignment_dynamic_out > 0) {
40	0	pstr_delay->delay_config.n_sac_time_alignment = 0;
41	0	}
42
43	1.66k	num_encoder_an_delay =
44	1.66k	2 * pstr_delay->delay_config.num_qmf_len + pstr_delay->delay_config.num_qmf_len / 2;
45	1.66k	num_decoder_an_delay =
46	1.66k	2 * pstr_delay->delay_config.num_qmf_len + pstr_delay->delay_config.num_qmf_len / 2;
47	1.66k	num_decoder_syn_delay =
48	1.66k	1 * pstr_delay->delay_config.num_qmf_len + pstr_delay->delay_config.num_qmf_len / 2;
49	1.66k	num_encoder_win_delay = pstr_delay->delay_config.num_frame_len / 2;
50	1.66k	num_residual_coder_frame_delay = 0;
51	1.66k	num_arb_dmx_residual_coder_frame_delay = 0;
52
53	1.66k	temp_delay_1 =
54	1.66k	pstr_delay->delay_config.n_arb_dmx_delay - pstr_delay->delay_config.n_surround_delay;
55	1.66k	if (temp_delay_1 >= 0) {
56	1.66k	pstr_delay->num_surround_analysis_buffer = temp_delay_1;
57	1.66k	pstr_delay->num_arb_dmx_analysis_buffer = 0;
58	1.66k	} else {
59	0	pstr_delay->num_surround_analysis_buffer = 0;
60	0	pstr_delay->num_arb_dmx_analysis_buffer = -temp_delay_1;
61	0	}
62
63	1.66k	temp_delay_1 = num_encoder_win_delay + pstr_delay->delay_config.n_surround_delay +
64	1.66k	pstr_delay->num_surround_analysis_buffer + num_encoder_an_delay;
65	1.66k	temp_delay_2 = num_encoder_win_delay + pstr_delay->delay_config.n_arb_dmx_delay +
66	1.66k	pstr_delay->num_arb_dmx_analysis_buffer + num_encoder_an_delay;
67	1.66k	temp_delay_3 = pstr_delay->delay_config.n_arb_dmx_delay +
68	1.66k	pstr_delay->delay_config.n_limiter_delay +
69	1.66k	pstr_delay->delay_config.num_core_coder_delay +
70	1.66k	pstr_delay->delay_config.n_sac_time_alignment + num_decoder_an_delay;
71
72	1.66k	temp_delay_12 = MAX(num_residual_coder_frame_delay, num_arb_dmx_residual_coder_frame_delay) *
73	1.66k	pstr_delay->delay_config.num_frame_len;
74	1.66k	temp_delay_12 += pstr_delay->delay_config.num_sac_stream_mux_delay;
75
76	1.66k	if (temp_delay_1 > temp_delay_2) {
77	0	temp_delay_12 += temp_delay_1;
78	1.66k	} else {
79	1.66k	temp_delay_12 += temp_delay_2;
80	1.66k	}
81
82	1.66k	if (temp_delay_3 > temp_delay_12) {
83	1.66k	if (pstr_delay->delay_config.b_minimize_delay > 0) {
84	1.66k	pstr_delay->num_bitstream_frame_buffer =
85	1.66k	(temp_delay_3 - temp_delay_12) / pstr_delay->delay_config.num_frame_len;
86	1.66k	pstr_delay->num_output_audio_buffer = 0;
87	1.66k	pstr_delay->num_surround_analysis_buffer +=
88	1.66k	(temp_delay_3 - temp_delay_12 -
89	1.66k	(pstr_delay->num_bitstream_frame_buffer * pstr_delay->delay_config.num_frame_len));
90	1.66k	pstr_delay->num_arb_dmx_analysis_buffer +=
91	1.66k	(temp_delay_3 - temp_delay_12 -
92	1.66k	(pstr_delay->num_bitstream_frame_buffer * pstr_delay->delay_config.num_frame_len));
93	1.66k	} else {
94	0	pstr_delay->num_bitstream_frame_buffer =
95	0	((temp_delay_3 - temp_delay_12) + pstr_delay->delay_config.num_frame_len - 1) /
96	0	pstr_delay->delay_config.num_frame_len;
97	0	pstr_delay->num_output_audio_buffer =
98	0	pstr_delay->num_bitstream_frame_buffer * pstr_delay->delay_config.num_frame_len +
99	0	temp_delay_12 - temp_delay_3;
100	0	}
101	1.66k	} else {
102	0	pstr_delay->num_bitstream_frame_buffer = 0;
103	0	pstr_delay->num_output_audio_buffer = temp_delay_12 - temp_delay_3;
104	0	}
105
106	1.66k	if (pstr_delay->delay_config.b_dmx_align > 0) {
107	0	WORD32 temp_delay =
108	0	pstr_delay->delay_config.n_arb_dmx_delay + pstr_delay->num_output_audio_buffer +
109	0	pstr_delay->delay_config.n_limiter_delay + pstr_delay->delay_config.num_core_coder_delay;
110	0	pstr_delay->num_discard_out_frames =
111	0	(temp_delay + pstr_delay->delay_config.num_frame_len - 1) /
112	0	pstr_delay->delay_config.num_frame_len;
113	0	pstr_delay->num_dmx_align_buffer =
114	0	pstr_delay->num_discard_out_frames * pstr_delay->delay_config.num_frame_len - temp_delay;
115	1.66k	} else {
116	1.66k	pstr_delay->num_discard_out_frames = 0;
117	1.66k	pstr_delay->num_dmx_align_buffer = 0;
118	1.66k	}
119
120	1.66k	pstr_delay->num_info_dmx_delay = pstr_delay->delay_config.n_arb_dmx_delay +
121	1.66k	pstr_delay->num_output_audio_buffer +
122	1.66k	pstr_delay->delay_config.n_limiter_delay;
123	1.66k	pstr_delay->num_info_codec_delay = pstr_delay->num_info_dmx_delay +
124	1.66k	pstr_delay->delay_config.num_core_coder_delay +
125	1.66k	pstr_delay->delay_config.n_sac_time_alignment +
126	1.66k	num_decoder_an_delay + num_decoder_syn_delay;
127	1.66k	pstr_delay->num_info_decoder_delay = num_decoder_an_delay + num_decoder_syn_delay;
128	1.66k	pstr_delay->num_bitstream_frame_buffer_size = pstr_delay->num_bitstream_frame_buffer + 1;
129	1.66k	}

Coverage Report

Created: 2025-07-12 07:02