Andy Hung | fcad7e4 | 2014-03-06 17:36:40 -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 | |
Andy Hung | e46f553 | 2014-03-18 13:13:45 -0700 | [diff] [blame] | 17 | /* #define LOG_NDEBUG 0 */ |
Andy Hung | fcad7e4 | 2014-03-06 17:36:40 -0800 | [diff] [blame] | 18 | #define LOG_TAG "audio_utils_format" |
| 19 | |
| 20 | #include <cutils/log.h> |
| 21 | #include <audio_utils/primitives.h> |
| 22 | #include <audio_utils/format.h> |
| 23 | |
| 24 | void memcpy_by_audio_format(void *dst, audio_format_t dst_format, |
Andy Hung | 1bc2b26 | 2014-07-10 14:21:42 -0700 | [diff] [blame^] | 25 | const void *src, audio_format_t src_format, size_t count) |
Andy Hung | e46f553 | 2014-03-18 13:13:45 -0700 | [diff] [blame] | 26 | { |
| 27 | /* default cases for error falls through to fatal log below. */ |
| 28 | if (dst_format == src_format) { |
| 29 | switch (dst_format) { |
| 30 | case AUDIO_FORMAT_PCM_16_BIT: |
| 31 | case AUDIO_FORMAT_PCM_FLOAT: |
| 32 | case AUDIO_FORMAT_PCM_24_BIT_PACKED: |
| 33 | case AUDIO_FORMAT_PCM_32_BIT: |
| 34 | case AUDIO_FORMAT_PCM_8_24_BIT: |
| 35 | memcpy(dst, src, count * audio_bytes_per_sample(dst_format)); |
| 36 | return; |
| 37 | default: |
| 38 | break; |
| 39 | } |
Andy Hung | fcad7e4 | 2014-03-06 17:36:40 -0800 | [diff] [blame] | 40 | } |
| 41 | switch (dst_format) { |
| 42 | case AUDIO_FORMAT_PCM_16_BIT: |
| 43 | switch (src_format) { |
| 44 | case AUDIO_FORMAT_PCM_FLOAT: |
| 45 | memcpy_to_i16_from_float((int16_t*)dst, (float*)src, count); |
| 46 | return; |
| 47 | case AUDIO_FORMAT_PCM_24_BIT_PACKED: |
| 48 | memcpy_to_i16_from_p24((int16_t*)dst, (uint8_t*)src, count); |
| 49 | return; |
Andy Hung | e46f553 | 2014-03-18 13:13:45 -0700 | [diff] [blame] | 50 | case AUDIO_FORMAT_PCM_32_BIT: |
| 51 | memcpy_to_i16_from_i32((int16_t*)dst, (int32_t*)src, count); |
| 52 | return; |
| 53 | case AUDIO_FORMAT_PCM_8_24_BIT: |
| 54 | memcpy_to_i16_from_q8_23((int16_t*)dst, (int32_t*)src, count); |
| 55 | return; |
Andy Hung | fcad7e4 | 2014-03-06 17:36:40 -0800 | [diff] [blame] | 56 | default: |
| 57 | break; |
| 58 | } |
| 59 | break; |
| 60 | case AUDIO_FORMAT_PCM_FLOAT: |
| 61 | switch (src_format) { |
| 62 | case AUDIO_FORMAT_PCM_16_BIT: |
| 63 | memcpy_to_float_from_i16((float*)dst, (int16_t*)src, count); |
| 64 | return; |
| 65 | case AUDIO_FORMAT_PCM_24_BIT_PACKED: |
| 66 | memcpy_to_float_from_p24((float*)dst, (uint8_t*)src, count); |
| 67 | return; |
Andy Hung | e46f553 | 2014-03-18 13:13:45 -0700 | [diff] [blame] | 68 | case AUDIO_FORMAT_PCM_32_BIT: |
| 69 | memcpy_to_float_from_i32((float*)dst, (int32_t*)src, count); |
| 70 | return; |
| 71 | case AUDIO_FORMAT_PCM_8_24_BIT: |
| 72 | memcpy_to_float_from_q8_23((float*)dst, (int32_t*)src, count); |
| 73 | return; |
Andy Hung | fcad7e4 | 2014-03-06 17:36:40 -0800 | [diff] [blame] | 74 | default: |
| 75 | break; |
| 76 | } |
| 77 | break; |
| 78 | case AUDIO_FORMAT_PCM_24_BIT_PACKED: |
| 79 | switch (src_format) { |
| 80 | case AUDIO_FORMAT_PCM_16_BIT: |
| 81 | memcpy_to_p24_from_i16((uint8_t*)dst, (int16_t*)src, count); |
| 82 | return; |
| 83 | case AUDIO_FORMAT_PCM_FLOAT: |
| 84 | memcpy_to_p24_from_float((uint8_t*)dst, (float*)src, count); |
| 85 | return; |
| 86 | default: |
| 87 | break; |
| 88 | } |
| 89 | break; |
Andy Hung | e46f553 | 2014-03-18 13:13:45 -0700 | [diff] [blame] | 90 | case AUDIO_FORMAT_PCM_32_BIT: |
| 91 | switch (src_format) { |
| 92 | case AUDIO_FORMAT_PCM_16_BIT: |
| 93 | memcpy_to_i32_from_i16((int32_t*)dst, (int16_t*)src, count); |
| 94 | return; |
| 95 | case AUDIO_FORMAT_PCM_FLOAT: |
| 96 | memcpy_to_i32_from_float((int32_t*)dst, (float*)src, count); |
| 97 | return; |
| 98 | default: |
| 99 | break; |
| 100 | } |
| 101 | break; |
| 102 | case AUDIO_FORMAT_PCM_8_24_BIT: |
| 103 | switch (src_format) { |
| 104 | case AUDIO_FORMAT_PCM_16_BIT: |
| 105 | memcpy_to_q8_23_from_i16((int32_t*)dst, (int16_t*)src, count); |
| 106 | return; |
| 107 | case AUDIO_FORMAT_PCM_FLOAT: |
| 108 | memcpy_to_q8_23_from_float_with_clamp((int32_t*)dst, (float*)src, count); |
| 109 | return; |
| 110 | default: |
| 111 | break; |
| 112 | } |
| 113 | break; |
Andy Hung | fcad7e4 | 2014-03-06 17:36:40 -0800 | [diff] [blame] | 114 | default: |
| 115 | break; |
| 116 | } |
| 117 | LOG_ALWAYS_FATAL("invalid src format %#x for dst format %#x", |
| 118 | src_format, dst_format); |
| 119 | } |