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git.odroid.com / yocto / platform / hardware / amlogic / audio / a1e5164c5dde87a171379f265f509b125b095cb2 / . / utils / format.c
blob: 778c04c14261fdaaad4308961da192f38f3d3e42 [file] [log] [blame]
yuliang.hu880cc512024-08-08 13:40:10 +0800[diff] [blame]1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17/* #define LOG_NDEBUG 0 */
18#define LOG_TAG "audio_utils_format"
19
20#include <cutils/log.h>
21#include "format.h"
22#include <audio_utils/primitives.h>
23
24
25void memcpy_by_audio_format(void *dst, audio_format_t dst_format,
26 const void *src, audio_format_t src_format, size_t count)
27{
28 /* default cases for error falls through to fatal log below. */
29 if (dst_format == src_format) {
30 switch (dst_format) {
31 case AUDIO_FORMAT_PCM_16_BIT:
32 case AUDIO_FORMAT_PCM_FLOAT:
33 case AUDIO_FORMAT_PCM_8_BIT:
34 case AUDIO_FORMAT_PCM_24_BIT_PACKED:
35 case AUDIO_FORMAT_PCM_32_BIT:
36 case AUDIO_FORMAT_PCM_8_24_BIT:
37 if (dst != src) {
38 // TODO: should assert if memory regions overlap.
39 memcpy(dst, src, count * audio_bytes_per_sample(dst_format));
40 }
41 return;
42 default:
43 break;
44 }
45 }
46 switch (dst_format) {
47 case AUDIO_FORMAT_PCM_16_BIT:
48 switch (src_format) {
49 case AUDIO_FORMAT_PCM_FLOAT:
50 memcpy_to_i16_from_float((int16_t*)dst, (float*)src, count);
51 return;
52 case AUDIO_FORMAT_PCM_8_BIT:
53 memcpy_to_i16_from_u8((int16_t*)dst, (uint8_t*)src, count);
54 return;
55 case AUDIO_FORMAT_PCM_24_BIT_PACKED:
56 memcpy_to_i16_from_p24((int16_t*)dst, (uint8_t*)src, count);
57 return;
58 case AUDIO_FORMAT_PCM_32_BIT:
59 memcpy_to_i16_from_i32((int16_t*)dst, (int32_t*)src, count);
60 return;
61 case AUDIO_FORMAT_PCM_8_24_BIT:
62 memcpy_to_i16_from_q8_23((int16_t*)dst, (int32_t*)src, count);
63 return;
64 default:
65 break;
66 }
67 break;
68 case AUDIO_FORMAT_PCM_FLOAT:
69 switch (src_format) {
70 case AUDIO_FORMAT_PCM_16_BIT:
71 memcpy_to_float_from_i16((float*)dst, (int16_t*)src, count);
72 return;
73 case AUDIO_FORMAT_PCM_8_BIT:
74 memcpy_to_float_from_u8((float*)dst, (uint8_t*)src, count);
75 return;
76 case AUDIO_FORMAT_PCM_24_BIT_PACKED:
77 memcpy_to_float_from_p24((float*)dst, (uint8_t*)src, count);
78 return;
79 case AUDIO_FORMAT_PCM_32_BIT:
80 memcpy_to_float_from_i32((float*)dst, (int32_t*)src, count);
81 return;
82 case AUDIO_FORMAT_PCM_8_24_BIT:
83 memcpy_to_float_from_q8_23((float*)dst, (int32_t*)src, count);
84 return;
85 default:
86 break;
87 }
88 break;
89 case AUDIO_FORMAT_PCM_8_BIT:
90 switch (src_format) {
91 case AUDIO_FORMAT_PCM_16_BIT:
92 memcpy_to_u8_from_i16((uint8_t*)dst, (int16_t*)src, count);
93 return;
94 case AUDIO_FORMAT_PCM_FLOAT:
95 memcpy_to_u8_from_float((uint8_t*)dst, (float*)src, count);
96 return;
97 default:
98 break;
99 }
100 break;
101 case AUDIO_FORMAT_PCM_24_BIT_PACKED:
102 switch (src_format) {
103 case AUDIO_FORMAT_PCM_16_BIT:
104 memcpy_to_p24_from_i16((uint8_t*)dst, (int16_t*)src, count);
105 return;
106 case AUDIO_FORMAT_PCM_FLOAT:
107 memcpy_to_p24_from_float((uint8_t*)dst, (float*)src, count);
108 return;
109 case AUDIO_FORMAT_PCM_32_BIT:
110 memcpy_to_p24_from_i32((uint8_t*)dst, (int32_t*)src, count);
111 return;
112 case AUDIO_FORMAT_PCM_8_24_BIT:
113 memcpy_to_p24_from_q8_23((uint8_t*)dst, (int32_t*)src, count);
114 return;
115 default:
116 break;
117 }
118 break;
119 case AUDIO_FORMAT_PCM_32_BIT:
120 switch (src_format) {
121 case AUDIO_FORMAT_PCM_16_BIT:
122 memcpy_to_i32_from_i16((int32_t*)dst, (int16_t*)src, count);
123 return;
124 case AUDIO_FORMAT_PCM_FLOAT:
125 memcpy_to_i32_from_float((int32_t*)dst, (float*)src, count);
126 return;
127 case AUDIO_FORMAT_PCM_24_BIT_PACKED:
128 memcpy_to_i32_from_p24((int32_t*)dst, (uint8_t *)src, count);
129 return;
130 default:
131 break;
132 }
133 break;
134 case AUDIO_FORMAT_PCM_8_24_BIT:
135 switch (src_format) {
136 case AUDIO_FORMAT_PCM_16_BIT:
137 memcpy_to_q8_23_from_i16((int32_t*)dst, (int16_t*)src, count);
138 return;
139 case AUDIO_FORMAT_PCM_FLOAT:
140 memcpy_to_q8_23_from_float_with_clamp((int32_t*)dst, (float*)src, count);
141 return;
142 case AUDIO_FORMAT_PCM_24_BIT_PACKED: {
143 memcpy_to_q8_23_from_p24((int32_t *)dst, (uint8_t *)src, count);
144 return;
145 }
146 default:
147 break;
148 }
149 break;
150 default:
151 break;
152 }
153 LOG_ALWAYS_FATAL("invalid src format %#x for dst format %#x",
154 src_format, dst_format);
155}
156
157size_t memcpy_by_index_array_initialization_from_channel_mask(int8_t *idxary, size_t arysize,
158 audio_channel_mask_t dst_channel_mask, audio_channel_mask_t src_channel_mask)
159{
160 const audio_channel_representation_t src_representation =
161 audio_channel_mask_get_representation(src_channel_mask);
162 const audio_channel_representation_t dst_representation =
163 audio_channel_mask_get_representation(dst_channel_mask);
164 const uint32_t src_bits = audio_channel_mask_get_bits(src_channel_mask);
165 const uint32_t dst_bits = audio_channel_mask_get_bits(dst_channel_mask);
166
167 switch (src_representation) {
168 case AUDIO_CHANNEL_REPRESENTATION_POSITION:
169 switch (dst_representation) {
170 case AUDIO_CHANNEL_REPRESENTATION_POSITION:
171 return memcpy_by_index_array_initialization(idxary, arysize,
172 dst_bits, src_bits);
173 case AUDIO_CHANNEL_REPRESENTATION_INDEX:
174 return memcpy_by_index_array_initialization_dst_index(idxary, arysize,
175 dst_bits, src_bits);
176 default:
177 return 0;
178 }
179 break;
180 case AUDIO_CHANNEL_REPRESENTATION_INDEX:
181 switch (dst_representation) {
182 case AUDIO_CHANNEL_REPRESENTATION_POSITION:
183 return memcpy_by_index_array_initialization_src_index(idxary, arysize,
184 dst_bits, src_bits);
185 case AUDIO_CHANNEL_REPRESENTATION_INDEX:
186 return memcpy_by_index_array_initialization(idxary, arysize,
187 dst_bits, src_bits);
188 default:
189 return 0;
190 }
191 break;
192 default:
193 return 0;
194 }
195}