Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1 | /* |
Jakub Pawlowski | 5b790fe | 2017-09-18 09:00:20 -0700 | [diff] [blame] | 2 | * Copyright 2016 The Android Open Source Project |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 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 | /****************************************************************************** |
| 18 | * |
| 19 | * Utility functions to help build and parse the AAC Codec Information |
| 20 | * Element and Media Payload. |
| 21 | * |
| 22 | ******************************************************************************/ |
| 23 | |
| 24 | #define LOG_TAG "a2dp_aac" |
| 25 | |
| 26 | #include "bt_target.h" |
| 27 | |
| 28 | #include "a2dp_aac.h" |
| 29 | |
| 30 | #include <string.h> |
| 31 | |
| 32 | #include <base/logging.h> |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 33 | #include "a2dp_aac_decoder.h" |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 34 | #include "a2dp_aac_encoder.h" |
| 35 | #include "bt_utils.h" |
| 36 | #include "osi/include/log.h" |
| 37 | #include "osi/include/osi.h" |
| 38 | |
| 39 | #define A2DP_AAC_DEFAULT_BITRATE 320000 // 320 kbps |
| 40 | #define A2DP_AAC_MIN_BITRATE 64000 // 64 kbps |
| 41 | |
| 42 | // data type for the AAC Codec Information Element */ |
| 43 | // NOTE: bits_per_sample is needed only for AAC encoder initialization. |
| 44 | typedef struct { |
| 45 | uint8_t objectType; /* Object Type */ |
| 46 | uint16_t sampleRate; /* Sampling Frequency */ |
| 47 | uint8_t channelMode; /* STEREO/MONO */ |
| 48 | uint8_t variableBitRateSupport; /* Variable Bit Rate Support*/ |
| 49 | uint32_t bitRate; /* Bit rate */ |
| 50 | btav_a2dp_codec_bits_per_sample_t bits_per_sample; |
| 51 | } tA2DP_AAC_CIE; |
| 52 | |
| 53 | /* AAC Source codec capabilities */ |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 54 | static const tA2DP_AAC_CIE a2dp_aac_source_caps = { |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 55 | // objectType |
| 56 | A2DP_AAC_OBJECT_TYPE_MPEG2_LC, |
| 57 | // sampleRate |
Pavlin Radoslavov | 3d26833 | 2017-06-02 10:45:43 -0700 | [diff] [blame] | 58 | // TODO: AAC 48.0kHz sampling rate should be added back - see b/62301376 |
| 59 | A2DP_AAC_SAMPLING_FREQ_44100, |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 60 | // channelMode |
| 61 | A2DP_AAC_CHANNEL_MODE_STEREO, |
| 62 | // variableBitRateSupport |
| 63 | A2DP_AAC_VARIABLE_BIT_RATE_DISABLED, |
| 64 | // bitRate |
| 65 | A2DP_AAC_DEFAULT_BITRATE, |
| 66 | // bits_per_sample |
| 67 | BTAV_A2DP_CODEC_BITS_PER_SAMPLE_16}; |
| 68 | |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 69 | /* AAC Sink codec capabilities */ |
| 70 | static const tA2DP_AAC_CIE a2dp_aac_sink_caps = { |
| 71 | // objectType |
| 72 | A2DP_AAC_OBJECT_TYPE_MPEG2_LC, |
| 73 | // sampleRate |
| 74 | A2DP_AAC_SAMPLING_FREQ_44100 | A2DP_AAC_SAMPLING_FREQ_48000, |
| 75 | // channelMode |
| 76 | A2DP_AAC_CHANNEL_MODE_MONO | A2DP_AAC_CHANNEL_MODE_STEREO, |
| 77 | // variableBitRateSupport |
| 78 | A2DP_AAC_VARIABLE_BIT_RATE_ENABLED, |
| 79 | // bitRate |
| 80 | A2DP_AAC_DEFAULT_BITRATE, |
| 81 | // bits_per_sample |
| 82 | BTAV_A2DP_CODEC_BITS_PER_SAMPLE_16}; |
| 83 | |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 84 | /* Default AAC codec configuration */ |
| 85 | static const tA2DP_AAC_CIE a2dp_aac_default_config = { |
| 86 | A2DP_AAC_OBJECT_TYPE_MPEG2_LC, // objectType |
| 87 | A2DP_AAC_SAMPLING_FREQ_44100, // sampleRate |
| 88 | A2DP_AAC_CHANNEL_MODE_STEREO, // channelMode |
| 89 | A2DP_AAC_VARIABLE_BIT_RATE_DISABLED, // variableBitRateSupport |
| 90 | A2DP_AAC_DEFAULT_BITRATE, // bitRate |
| 91 | BTAV_A2DP_CODEC_BITS_PER_SAMPLE_16 // bits_per_sample |
| 92 | }; |
| 93 | |
| 94 | static const tA2DP_ENCODER_INTERFACE a2dp_encoder_interface_aac = { |
| 95 | a2dp_aac_encoder_init, |
| 96 | a2dp_aac_encoder_cleanup, |
| 97 | a2dp_aac_feeding_reset, |
| 98 | a2dp_aac_feeding_flush, |
| 99 | a2dp_aac_get_encoder_interval_ms, |
| 100 | a2dp_aac_send_frames, |
Pavlin Radoslavov | 302113d | 2017-04-06 15:13:16 -0700 | [diff] [blame] | 101 | nullptr // set_transmit_queue_length |
| 102 | }; |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 103 | |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 104 | static const tA2DP_DECODER_INTERFACE a2dp_decoder_interface_aac = { |
| 105 | a2dp_aac_decoder_init, a2dp_aac_decoder_cleanup, |
| 106 | a2dp_aac_decoder_decode_packet, |
| 107 | }; |
| 108 | |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 109 | UNUSED_ATTR static tA2DP_STATUS A2DP_CodecInfoMatchesCapabilityAac( |
| 110 | const tA2DP_AAC_CIE* p_cap, const uint8_t* p_codec_info, |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 111 | bool is_capability); |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 112 | |
| 113 | // Builds the AAC Media Codec Capabilities byte sequence beginning from the |
| 114 | // LOSC octet. |media_type| is the media type |AVDT_MEDIA_TYPE_*|. |
| 115 | // |p_ie| is a pointer to the AAC Codec Information Element information. |
| 116 | // The result is stored in |p_result|. Returns A2DP_SUCCESS on success, |
| 117 | // otherwise the corresponding A2DP error status code. |
| 118 | static tA2DP_STATUS A2DP_BuildInfoAac(uint8_t media_type, |
| 119 | const tA2DP_AAC_CIE* p_ie, |
| 120 | uint8_t* p_result) { |
| 121 | if (p_ie == NULL || p_result == NULL) { |
| 122 | return A2DP_INVALID_PARAMS; |
| 123 | } |
| 124 | |
| 125 | *p_result++ = A2DP_AAC_CODEC_LEN; |
| 126 | *p_result++ = (media_type << 4); |
| 127 | *p_result++ = A2DP_MEDIA_CT_AAC; |
| 128 | |
| 129 | // Object Type |
| 130 | if (p_ie->objectType == 0) return A2DP_INVALID_PARAMS; |
| 131 | *p_result++ = p_ie->objectType; |
| 132 | |
| 133 | // Sampling Frequency |
| 134 | if (p_ie->sampleRate == 0) return A2DP_INVALID_PARAMS; |
| 135 | *p_result++ = (uint8_t)(p_ie->sampleRate & A2DP_AAC_SAMPLING_FREQ_MASK0); |
| 136 | *p_result = (uint8_t)((p_ie->sampleRate & A2DP_AAC_SAMPLING_FREQ_MASK1) >> 8); |
| 137 | |
| 138 | // Channel Mode |
| 139 | if (p_ie->channelMode == 0) return A2DP_INVALID_PARAMS; |
| 140 | *p_result++ |= (p_ie->channelMode & A2DP_AAC_CHANNEL_MODE_MASK); |
| 141 | |
| 142 | // Variable Bit Rate Support |
| 143 | *p_result = (p_ie->variableBitRateSupport & A2DP_AAC_VARIABLE_BIT_RATE_MASK); |
| 144 | |
| 145 | // Bit Rate |
| 146 | *p_result++ |= (uint8_t)((p_ie->bitRate & A2DP_AAC_BIT_RATE_MASK0) >> 16); |
| 147 | *p_result++ = (uint8_t)((p_ie->bitRate & A2DP_AAC_BIT_RATE_MASK1) >> 8); |
| 148 | *p_result++ = (uint8_t)(p_ie->bitRate & A2DP_AAC_BIT_RATE_MASK2); |
| 149 | |
| 150 | return A2DP_SUCCESS; |
| 151 | } |
| 152 | |
| 153 | // Parses the AAC Media Codec Capabilities byte sequence beginning from the |
| 154 | // LOSC octet. The result is stored in |p_ie|. The byte sequence to parse is |
| 155 | // |p_codec_info|. If |is_capability| is true, the byte sequence is |
| 156 | // codec capabilities, otherwise is codec configuration. |
| 157 | // Returns A2DP_SUCCESS on success, otherwise the corresponding A2DP error |
| 158 | // status code. |
| 159 | static tA2DP_STATUS A2DP_ParseInfoAac(tA2DP_AAC_CIE* p_ie, |
| 160 | const uint8_t* p_codec_info, |
| 161 | bool is_capability) { |
| 162 | uint8_t losc; |
| 163 | uint8_t media_type; |
| 164 | tA2DP_CODEC_TYPE codec_type; |
| 165 | |
| 166 | if (p_ie == NULL || p_codec_info == NULL) return A2DP_INVALID_PARAMS; |
| 167 | |
| 168 | // Check the codec capability length |
| 169 | losc = *p_codec_info++; |
| 170 | if (losc != A2DP_AAC_CODEC_LEN) return A2DP_WRONG_CODEC; |
| 171 | |
| 172 | media_type = (*p_codec_info++) >> 4; |
| 173 | codec_type = *p_codec_info++; |
| 174 | /* Check the Media Type and Media Codec Type */ |
| 175 | if (media_type != AVDT_MEDIA_TYPE_AUDIO || codec_type != A2DP_MEDIA_CT_AAC) { |
| 176 | return A2DP_WRONG_CODEC; |
| 177 | } |
| 178 | |
| 179 | p_ie->objectType = *p_codec_info++; |
| 180 | p_ie->sampleRate = (*p_codec_info & A2DP_AAC_SAMPLING_FREQ_MASK0) | |
| 181 | (*(p_codec_info + 1) << 8 & A2DP_AAC_SAMPLING_FREQ_MASK1); |
| 182 | p_codec_info++; |
| 183 | p_ie->channelMode = *p_codec_info & A2DP_AAC_CHANNEL_MODE_MASK; |
| 184 | p_codec_info++; |
| 185 | |
| 186 | p_ie->variableBitRateSupport = |
| 187 | *p_codec_info & A2DP_AAC_VARIABLE_BIT_RATE_MASK; |
| 188 | |
| 189 | p_ie->bitRate = ((*p_codec_info) << 16 & A2DP_AAC_BIT_RATE_MASK0) | |
| 190 | (*(p_codec_info + 1) << 8 & A2DP_AAC_BIT_RATE_MASK1) | |
| 191 | (*(p_codec_info + 2) & A2DP_AAC_BIT_RATE_MASK2); |
| 192 | p_codec_info += 3; |
| 193 | |
Pavlin Radoslavov | 3c5cef2 | 2018-07-25 19:03:09 -0700 | [diff] [blame] | 194 | if (is_capability) { |
| 195 | // NOTE: The checks here are very liberal. We should be using more |
| 196 | // pedantic checks specific to the SRC or SNK as specified in the spec. |
| 197 | if (A2DP_BitsSet(p_ie->objectType) == A2DP_SET_ZERO_BIT) |
| 198 | return A2DP_BAD_OBJ_TYPE; |
| 199 | if (A2DP_BitsSet(p_ie->sampleRate) == A2DP_SET_ZERO_BIT) |
| 200 | return A2DP_BAD_SAMP_FREQ; |
| 201 | if (A2DP_BitsSet(p_ie->channelMode) == A2DP_SET_ZERO_BIT) |
| 202 | return A2DP_BAD_CH_MODE; |
| 203 | |
| 204 | return A2DP_SUCCESS; |
| 205 | } |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 206 | |
| 207 | if (A2DP_BitsSet(p_ie->objectType) != A2DP_SET_ONE_BIT) |
| 208 | return A2DP_BAD_OBJ_TYPE; |
| 209 | if (A2DP_BitsSet(p_ie->sampleRate) != A2DP_SET_ONE_BIT) |
| 210 | return A2DP_BAD_SAMP_FREQ; |
| 211 | if (A2DP_BitsSet(p_ie->channelMode) != A2DP_SET_ONE_BIT) |
| 212 | return A2DP_BAD_CH_MODE; |
| 213 | |
| 214 | return A2DP_SUCCESS; |
| 215 | } |
| 216 | |
| 217 | bool A2DP_IsSourceCodecValidAac(const uint8_t* p_codec_info) { |
| 218 | tA2DP_AAC_CIE cfg_cie; |
| 219 | |
| 220 | /* Use a liberal check when parsing the codec info */ |
| 221 | return (A2DP_ParseInfoAac(&cfg_cie, p_codec_info, false) == A2DP_SUCCESS) || |
| 222 | (A2DP_ParseInfoAac(&cfg_cie, p_codec_info, true) == A2DP_SUCCESS); |
| 223 | } |
| 224 | |
| 225 | bool A2DP_IsSinkCodecValidAac(UNUSED_ATTR const uint8_t* p_codec_info) { |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 226 | tA2DP_AAC_CIE cfg_cie; |
| 227 | |
| 228 | /* Use a liberal check when parsing the codec info */ |
| 229 | return (A2DP_ParseInfoAac(&cfg_cie, p_codec_info, false) == A2DP_SUCCESS) || |
| 230 | (A2DP_ParseInfoAac(&cfg_cie, p_codec_info, true) == A2DP_SUCCESS); |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 231 | } |
| 232 | |
| 233 | bool A2DP_IsPeerSourceCodecValidAac(UNUSED_ATTR const uint8_t* p_codec_info) { |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 234 | tA2DP_AAC_CIE cfg_cie; |
| 235 | |
| 236 | /* Use a liberal check when parsing the codec info */ |
| 237 | return (A2DP_ParseInfoAac(&cfg_cie, p_codec_info, false) == A2DP_SUCCESS) || |
| 238 | (A2DP_ParseInfoAac(&cfg_cie, p_codec_info, true) == A2DP_SUCCESS); |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 239 | } |
| 240 | |
| 241 | bool A2DP_IsPeerSinkCodecValidAac(const uint8_t* p_codec_info) { |
| 242 | tA2DP_AAC_CIE cfg_cie; |
| 243 | |
| 244 | /* Use a liberal check when parsing the codec info */ |
| 245 | return (A2DP_ParseInfoAac(&cfg_cie, p_codec_info, false) == A2DP_SUCCESS) || |
| 246 | (A2DP_ParseInfoAac(&cfg_cie, p_codec_info, true) == A2DP_SUCCESS); |
| 247 | } |
| 248 | |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 249 | bool A2DP_IsSinkCodecSupportedAac(const uint8_t* p_codec_info) { |
| 250 | return A2DP_CodecInfoMatchesCapabilityAac(&a2dp_aac_sink_caps, p_codec_info, |
| 251 | false) == A2DP_SUCCESS; |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 252 | } |
| 253 | |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 254 | bool A2DP_IsPeerSourceCodecSupportedAac(const uint8_t* p_codec_info) { |
| 255 | return A2DP_CodecInfoMatchesCapabilityAac(&a2dp_aac_sink_caps, p_codec_info, |
| 256 | true) == A2DP_SUCCESS; |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 257 | } |
| 258 | |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 259 | // Checks whether A2DP AAC codec configuration matches with a device's codec |
| 260 | // capabilities. |p_cap| is the AAC codec configuration. |p_codec_info| is |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 261 | // the device's codec capabilities. |is_capability| is true if |
| 262 | // |p_codec_info| contains A2DP codec capability. |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 263 | // Returns A2DP_SUCCESS if the codec configuration matches with capabilities, |
| 264 | // otherwise the corresponding A2DP error status code. |
| 265 | static tA2DP_STATUS A2DP_CodecInfoMatchesCapabilityAac( |
| 266 | const tA2DP_AAC_CIE* p_cap, const uint8_t* p_codec_info, |
| 267 | bool is_capability) { |
| 268 | tA2DP_STATUS status; |
| 269 | tA2DP_AAC_CIE cfg_cie; |
| 270 | |
| 271 | /* parse configuration */ |
| 272 | status = A2DP_ParseInfoAac(&cfg_cie, p_codec_info, is_capability); |
| 273 | if (status != A2DP_SUCCESS) { |
| 274 | LOG_ERROR(LOG_TAG, "%s: parsing failed %d", __func__, status); |
| 275 | return status; |
| 276 | } |
| 277 | |
| 278 | /* verify that each parameter is in range */ |
| 279 | |
Pavlin Radoslavov | 80bfc5f | 2017-10-04 11:26:04 -0700 | [diff] [blame] | 280 | LOG_VERBOSE(LOG_TAG, "%s: Object Type peer: 0x%x, capability 0x%x", __func__, |
| 281 | cfg_cie.objectType, p_cap->objectType); |
| 282 | LOG_VERBOSE(LOG_TAG, "%s: Sample Rate peer: %u, capability %u", __func__, |
| 283 | cfg_cie.sampleRate, p_cap->sampleRate); |
| 284 | LOG_VERBOSE(LOG_TAG, "%s: Channel Mode peer: 0x%x, capability 0x%x", __func__, |
| 285 | cfg_cie.channelMode, p_cap->channelMode); |
| 286 | LOG_VERBOSE( |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 287 | LOG_TAG, "%s: Variable Bit Rate Support peer: 0x%x, capability 0x%x", |
| 288 | __func__, cfg_cie.variableBitRateSupport, p_cap->variableBitRateSupport); |
Pavlin Radoslavov | 80bfc5f | 2017-10-04 11:26:04 -0700 | [diff] [blame] | 289 | LOG_VERBOSE(LOG_TAG, "%s: Bit Rate peer: %u, capability %u", __func__, |
| 290 | cfg_cie.bitRate, p_cap->bitRate); |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 291 | |
| 292 | /* Object Type */ |
| 293 | if ((cfg_cie.objectType & p_cap->objectType) == 0) return A2DP_BAD_OBJ_TYPE; |
| 294 | |
| 295 | /* Sample Rate */ |
| 296 | if ((cfg_cie.sampleRate & p_cap->sampleRate) == 0) return A2DP_BAD_SAMP_FREQ; |
| 297 | |
| 298 | /* Channel Mode */ |
| 299 | if ((cfg_cie.channelMode & p_cap->channelMode) == 0) return A2DP_NS_CH_MODE; |
| 300 | |
| 301 | return A2DP_SUCCESS; |
| 302 | } |
| 303 | |
| 304 | bool A2DP_UsesRtpHeaderAac(UNUSED_ATTR bool content_protection_enabled, |
| 305 | UNUSED_ATTR const uint8_t* p_codec_info) { |
| 306 | return true; |
| 307 | } |
| 308 | |
| 309 | const char* A2DP_CodecNameAac(UNUSED_ATTR const uint8_t* p_codec_info) { |
| 310 | return "AAC"; |
| 311 | } |
| 312 | |
| 313 | bool A2DP_CodecTypeEqualsAac(const uint8_t* p_codec_info_a, |
| 314 | const uint8_t* p_codec_info_b) { |
| 315 | tA2DP_AAC_CIE aac_cie_a; |
| 316 | tA2DP_AAC_CIE aac_cie_b; |
| 317 | |
| 318 | // Check whether the codec info contains valid data |
| 319 | tA2DP_STATUS a2dp_status = |
| 320 | A2DP_ParseInfoAac(&aac_cie_a, p_codec_info_a, true); |
| 321 | if (a2dp_status != A2DP_SUCCESS) { |
| 322 | LOG_ERROR(LOG_TAG, "%s: cannot decode codec information: %d", __func__, |
| 323 | a2dp_status); |
| 324 | return false; |
| 325 | } |
| 326 | a2dp_status = A2DP_ParseInfoAac(&aac_cie_b, p_codec_info_b, true); |
| 327 | if (a2dp_status != A2DP_SUCCESS) { |
| 328 | LOG_ERROR(LOG_TAG, "%s: cannot decode codec information: %d", __func__, |
| 329 | a2dp_status); |
| 330 | return false; |
| 331 | } |
| 332 | |
| 333 | return true; |
| 334 | } |
| 335 | |
| 336 | bool A2DP_CodecEqualsAac(const uint8_t* p_codec_info_a, |
| 337 | const uint8_t* p_codec_info_b) { |
| 338 | tA2DP_AAC_CIE aac_cie_a; |
| 339 | tA2DP_AAC_CIE aac_cie_b; |
| 340 | |
| 341 | // Check whether the codec info contains valid data |
| 342 | tA2DP_STATUS a2dp_status = |
| 343 | A2DP_ParseInfoAac(&aac_cie_a, p_codec_info_a, true); |
| 344 | if (a2dp_status != A2DP_SUCCESS) { |
| 345 | LOG_ERROR(LOG_TAG, "%s: cannot decode codec information: %d", __func__, |
| 346 | a2dp_status); |
| 347 | return false; |
| 348 | } |
| 349 | a2dp_status = A2DP_ParseInfoAac(&aac_cie_b, p_codec_info_b, true); |
| 350 | if (a2dp_status != A2DP_SUCCESS) { |
| 351 | LOG_ERROR(LOG_TAG, "%s: cannot decode codec information: %d", __func__, |
| 352 | a2dp_status); |
| 353 | return false; |
| 354 | } |
| 355 | |
| 356 | return (aac_cie_a.objectType == aac_cie_b.objectType) && |
| 357 | (aac_cie_a.sampleRate == aac_cie_b.sampleRate) && |
| 358 | (aac_cie_a.channelMode == aac_cie_b.channelMode) && |
| 359 | (aac_cie_a.variableBitRateSupport == |
| 360 | aac_cie_b.variableBitRateSupport) && |
| 361 | (aac_cie_a.bitRate == aac_cie_b.bitRate); |
| 362 | } |
| 363 | |
| 364 | int A2DP_GetTrackSampleRateAac(const uint8_t* p_codec_info) { |
| 365 | tA2DP_AAC_CIE aac_cie; |
| 366 | |
| 367 | // Check whether the codec info contains valid data |
| 368 | tA2DP_STATUS a2dp_status = A2DP_ParseInfoAac(&aac_cie, p_codec_info, false); |
| 369 | if (a2dp_status != A2DP_SUCCESS) { |
| 370 | LOG_ERROR(LOG_TAG, "%s: cannot decode codec information: %d", __func__, |
| 371 | a2dp_status); |
| 372 | return -1; |
| 373 | } |
| 374 | |
| 375 | switch (aac_cie.sampleRate) { |
| 376 | case A2DP_AAC_SAMPLING_FREQ_8000: |
| 377 | return 8000; |
| 378 | case A2DP_AAC_SAMPLING_FREQ_11025: |
| 379 | return 11025; |
| 380 | case A2DP_AAC_SAMPLING_FREQ_12000: |
| 381 | return 12000; |
| 382 | case A2DP_AAC_SAMPLING_FREQ_16000: |
| 383 | return 16000; |
| 384 | case A2DP_AAC_SAMPLING_FREQ_22050: |
| 385 | return 22050; |
| 386 | case A2DP_AAC_SAMPLING_FREQ_24000: |
| 387 | return 24000; |
| 388 | case A2DP_AAC_SAMPLING_FREQ_32000: |
| 389 | return 32000; |
| 390 | case A2DP_AAC_SAMPLING_FREQ_44100: |
| 391 | return 44100; |
| 392 | case A2DP_AAC_SAMPLING_FREQ_48000: |
| 393 | return 48000; |
| 394 | case A2DP_AAC_SAMPLING_FREQ_64000: |
| 395 | return 64000; |
| 396 | case A2DP_AAC_SAMPLING_FREQ_88200: |
| 397 | return 88200; |
| 398 | case A2DP_AAC_SAMPLING_FREQ_96000: |
| 399 | return 96000; |
| 400 | } |
| 401 | |
| 402 | return -1; |
| 403 | } |
| 404 | |
Chisato Kenmochi | f57c428 | 2018-08-10 20:44:05 +0900 | [diff] [blame] | 405 | int A2DP_GetTrackBitsPerSampleAac(const uint8_t* p_codec_info) { |
| 406 | tA2DP_AAC_CIE aac_cie; |
| 407 | |
| 408 | // Check whether the codec info contains valid data |
| 409 | tA2DP_STATUS a2dp_status = A2DP_ParseInfoAac(&aac_cie, p_codec_info, false); |
| 410 | if (a2dp_status != A2DP_SUCCESS) { |
| 411 | LOG_ERROR(LOG_TAG, "%s: cannot decode codec information: %d", __func__, |
| 412 | a2dp_status); |
| 413 | return -1; |
| 414 | } |
| 415 | |
| 416 | // NOTE: The bits per sample never changes for AAC |
| 417 | return 16; |
| 418 | } |
| 419 | |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 420 | int A2DP_GetTrackChannelCountAac(const uint8_t* p_codec_info) { |
| 421 | tA2DP_AAC_CIE aac_cie; |
| 422 | |
| 423 | // Check whether the codec info contains valid data |
| 424 | tA2DP_STATUS a2dp_status = A2DP_ParseInfoAac(&aac_cie, p_codec_info, false); |
| 425 | if (a2dp_status != A2DP_SUCCESS) { |
| 426 | LOG_ERROR(LOG_TAG, "%s: cannot decode codec information: %d", __func__, |
| 427 | a2dp_status); |
| 428 | return -1; |
| 429 | } |
| 430 | |
| 431 | switch (aac_cie.channelMode) { |
| 432 | case A2DP_AAC_CHANNEL_MODE_MONO: |
| 433 | return 1; |
| 434 | case A2DP_AAC_CHANNEL_MODE_STEREO: |
| 435 | return 2; |
| 436 | } |
| 437 | |
| 438 | return -1; |
| 439 | } |
| 440 | |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 441 | int A2DP_GetSinkTrackChannelTypeAac(const uint8_t* p_codec_info) { |
| 442 | tA2DP_AAC_CIE aac_cie; |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 443 | |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 444 | // Check whether the codec info contains valid data |
| 445 | tA2DP_STATUS a2dp_status = A2DP_ParseInfoAac(&aac_cie, p_codec_info, false); |
| 446 | if (a2dp_status != A2DP_SUCCESS) { |
| 447 | LOG_ERROR(LOG_TAG, "%s: cannot decode codec information: %d", __func__, |
| 448 | a2dp_status); |
| 449 | return -1; |
| 450 | } |
| 451 | |
| 452 | switch (aac_cie.channelMode) { |
| 453 | case A2DP_AAC_CHANNEL_MODE_MONO: |
| 454 | return 1; |
| 455 | case A2DP_AAC_CHANNEL_MODE_STEREO: |
| 456 | return 3; |
| 457 | } |
| 458 | |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 459 | return -1; |
| 460 | } |
| 461 | |
| 462 | int A2DP_GetObjectTypeCodeAac(const uint8_t* p_codec_info) { |
| 463 | tA2DP_AAC_CIE aac_cie; |
| 464 | |
| 465 | // Check whether the codec info contains valid data |
| 466 | tA2DP_STATUS a2dp_status = A2DP_ParseInfoAac(&aac_cie, p_codec_info, false); |
| 467 | if (a2dp_status != A2DP_SUCCESS) { |
| 468 | LOG_ERROR(LOG_TAG, "%s: cannot decode codec information: %d", __func__, |
| 469 | a2dp_status); |
| 470 | return -1; |
| 471 | } |
| 472 | |
| 473 | switch (aac_cie.objectType) { |
| 474 | case A2DP_AAC_OBJECT_TYPE_MPEG2_LC: |
| 475 | case A2DP_AAC_OBJECT_TYPE_MPEG4_LC: |
| 476 | case A2DP_AAC_OBJECT_TYPE_MPEG4_LTP: |
| 477 | case A2DP_AAC_OBJECT_TYPE_MPEG4_SCALABLE: |
| 478 | return aac_cie.objectType; |
| 479 | default: |
| 480 | break; |
| 481 | } |
| 482 | |
| 483 | return -1; |
| 484 | } |
| 485 | |
| 486 | int A2DP_GetChannelModeCodeAac(const uint8_t* p_codec_info) { |
| 487 | tA2DP_AAC_CIE aac_cie; |
| 488 | |
| 489 | // Check whether the codec info contains valid data |
| 490 | tA2DP_STATUS a2dp_status = A2DP_ParseInfoAac(&aac_cie, p_codec_info, false); |
| 491 | if (a2dp_status != A2DP_SUCCESS) { |
| 492 | LOG_ERROR(LOG_TAG, "%s: cannot decode codec information: %d", __func__, |
| 493 | a2dp_status); |
| 494 | return -1; |
| 495 | } |
| 496 | |
| 497 | switch (aac_cie.channelMode) { |
| 498 | case A2DP_AAC_CHANNEL_MODE_MONO: |
| 499 | case A2DP_AAC_CHANNEL_MODE_STEREO: |
| 500 | return aac_cie.channelMode; |
| 501 | default: |
| 502 | break; |
| 503 | } |
| 504 | |
| 505 | return -1; |
| 506 | } |
| 507 | |
| 508 | int A2DP_GetVariableBitRateSupportAac(const uint8_t* p_codec_info) { |
| 509 | tA2DP_AAC_CIE aac_cie; |
| 510 | |
| 511 | // Check whether the codec info contains valid data |
| 512 | tA2DP_STATUS a2dp_status = A2DP_ParseInfoAac(&aac_cie, p_codec_info, false); |
| 513 | if (a2dp_status != A2DP_SUCCESS) { |
| 514 | LOG_ERROR(LOG_TAG, "%s: cannot decode codec information: %d", __func__, |
| 515 | a2dp_status); |
| 516 | return -1; |
| 517 | } |
| 518 | |
| 519 | switch (aac_cie.variableBitRateSupport) { |
| 520 | case A2DP_AAC_VARIABLE_BIT_RATE_ENABLED: |
| 521 | case A2DP_AAC_VARIABLE_BIT_RATE_DISABLED: |
| 522 | return aac_cie.variableBitRateSupport; |
| 523 | default: |
| 524 | break; |
| 525 | } |
| 526 | |
| 527 | return -1; |
| 528 | } |
| 529 | |
| 530 | int A2DP_GetBitRateAac(const uint8_t* p_codec_info) { |
| 531 | tA2DP_AAC_CIE aac_cie; |
| 532 | |
| 533 | // Check whether the codec info contains valid data |
| 534 | tA2DP_STATUS a2dp_status = A2DP_ParseInfoAac(&aac_cie, p_codec_info, false); |
| 535 | if (a2dp_status != A2DP_SUCCESS) { |
| 536 | LOG_ERROR(LOG_TAG, "%s: cannot decode codec information: %d", __func__, |
| 537 | a2dp_status); |
| 538 | return -1; |
| 539 | } |
| 540 | |
| 541 | return aac_cie.bitRate; |
| 542 | } |
| 543 | |
Kenmochi, Chisato | 3b8f126 | 2017-02-09 12:23:47 -0800 | [diff] [blame] | 544 | int A2DP_ComputeMaxBitRateAac(const uint8_t* p_codec_info, uint16_t mtu) { |
| 545 | tA2DP_AAC_CIE aac_cie; |
| 546 | |
| 547 | // Check whether the codec info contains valid data |
| 548 | tA2DP_STATUS a2dp_status = A2DP_ParseInfoAac(&aac_cie, p_codec_info, false); |
| 549 | if (a2dp_status != A2DP_SUCCESS) { |
| 550 | LOG_ERROR(LOG_TAG, "%s: cannot decode codec information: %d", __func__, |
| 551 | a2dp_status); |
| 552 | return -1; |
| 553 | } |
| 554 | |
| 555 | int sampling_freq = A2DP_GetTrackSampleRateAac(p_codec_info); |
| 556 | if (sampling_freq == -1) return -1; |
| 557 | |
| 558 | int pcm_channel_samples_per_frame = 0; |
| 559 | switch (aac_cie.objectType) { |
| 560 | case A2DP_AAC_OBJECT_TYPE_MPEG2_LC: |
| 561 | case A2DP_AAC_OBJECT_TYPE_MPEG4_LC: |
| 562 | pcm_channel_samples_per_frame = 1024; |
| 563 | break; |
| 564 | case A2DP_AAC_OBJECT_TYPE_MPEG4_LTP: |
| 565 | case A2DP_AAC_OBJECT_TYPE_MPEG4_SCALABLE: |
| 566 | // TODO: The MPEG documentation doesn't specify the value. |
| 567 | break; |
| 568 | default: |
| 569 | break; |
| 570 | } |
| 571 | if (pcm_channel_samples_per_frame == 0) return -1; |
| 572 | |
| 573 | // See Section 3.2.1 Estimating Average Frame Size from |
| 574 | // the aacEncoder.pdf document included with the AAC source code. |
| 575 | return (8 * mtu * sampling_freq) / pcm_channel_samples_per_frame; |
| 576 | } |
| 577 | |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 578 | bool A2DP_GetPacketTimestampAac(const uint8_t* p_codec_info, |
| 579 | const uint8_t* p_data, uint32_t* p_timestamp) { |
| 580 | // TODO: Is this function really codec-specific? |
| 581 | *p_timestamp = *(const uint32_t*)p_data; |
| 582 | return true; |
| 583 | } |
| 584 | |
| 585 | bool A2DP_BuildCodecHeaderAac(UNUSED_ATTR const uint8_t* p_codec_info, |
| 586 | UNUSED_ATTR BT_HDR* p_buf, |
| 587 | UNUSED_ATTR uint16_t frames_per_packet) { |
| 588 | return true; |
| 589 | } |
| 590 | |
Pavlin Radoslavov | 25cd054 | 2018-04-06 17:05:47 -0700 | [diff] [blame] | 591 | std::string A2DP_CodecInfoStringAac(const uint8_t* p_codec_info) { |
| 592 | std::stringstream res; |
| 593 | std::string field; |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 594 | tA2DP_STATUS a2dp_status; |
| 595 | tA2DP_AAC_CIE aac_cie; |
| 596 | |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 597 | a2dp_status = A2DP_ParseInfoAac(&aac_cie, p_codec_info, true); |
| 598 | if (a2dp_status != A2DP_SUCCESS) { |
Pavlin Radoslavov | 25cd054 | 2018-04-06 17:05:47 -0700 | [diff] [blame] | 599 | res << "A2DP_ParseInfoAac fail: " << loghex(a2dp_status); |
| 600 | return res.str(); |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 601 | } |
| 602 | |
Pavlin Radoslavov | 25cd054 | 2018-04-06 17:05:47 -0700 | [diff] [blame] | 603 | res << "\tname: AAC\n"; |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 604 | |
Pavlin Radoslavov | 25cd054 | 2018-04-06 17:05:47 -0700 | [diff] [blame] | 605 | // Object type |
| 606 | field.clear(); |
| 607 | AppendField(&field, (aac_cie.objectType == 0), "NONE"); |
| 608 | AppendField(&field, (aac_cie.objectType & A2DP_AAC_OBJECT_TYPE_MPEG2_LC), |
| 609 | "(MPEG-2 AAC LC)"); |
| 610 | AppendField(&field, (aac_cie.objectType & A2DP_AAC_OBJECT_TYPE_MPEG4_LC), |
| 611 | "(MPEG-4 AAC LC)"); |
| 612 | AppendField(&field, (aac_cie.objectType & A2DP_AAC_OBJECT_TYPE_MPEG4_LTP), |
| 613 | "(MPEG-4 AAC LTP)"); |
| 614 | AppendField(&field, |
| 615 | (aac_cie.objectType & A2DP_AAC_OBJECT_TYPE_MPEG4_SCALABLE), |
| 616 | "(MPEG-4 AAC Scalable)"); |
| 617 | res << "\tobjectType: " << field << " (" << loghex(aac_cie.objectType) |
| 618 | << ")\n"; |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 619 | |
Pavlin Radoslavov | 25cd054 | 2018-04-06 17:05:47 -0700 | [diff] [blame] | 620 | // Sample frequency |
| 621 | field.clear(); |
| 622 | AppendField(&field, (aac_cie.sampleRate == 0), "NONE"); |
| 623 | AppendField(&field, (aac_cie.sampleRate & A2DP_AAC_SAMPLING_FREQ_8000), |
| 624 | "8000"); |
| 625 | AppendField(&field, (aac_cie.sampleRate & A2DP_AAC_SAMPLING_FREQ_11025), |
| 626 | "11025"); |
| 627 | AppendField(&field, (aac_cie.sampleRate & A2DP_AAC_SAMPLING_FREQ_12000), |
| 628 | "12000"); |
| 629 | AppendField(&field, (aac_cie.sampleRate & A2DP_AAC_SAMPLING_FREQ_16000), |
| 630 | "16000"); |
| 631 | AppendField(&field, (aac_cie.sampleRate & A2DP_AAC_SAMPLING_FREQ_22050), |
| 632 | "22050"); |
| 633 | AppendField(&field, (aac_cie.sampleRate & A2DP_AAC_SAMPLING_FREQ_24000), |
| 634 | "24000"); |
| 635 | AppendField(&field, (aac_cie.sampleRate & A2DP_AAC_SAMPLING_FREQ_32000), |
| 636 | "32000"); |
| 637 | AppendField(&field, (aac_cie.sampleRate & A2DP_AAC_SAMPLING_FREQ_44100), |
| 638 | "44100"); |
| 639 | AppendField(&field, (aac_cie.sampleRate & A2DP_AAC_SAMPLING_FREQ_48000), |
| 640 | "48000"); |
| 641 | AppendField(&field, (aac_cie.sampleRate & A2DP_AAC_SAMPLING_FREQ_64000), |
| 642 | "64000"); |
| 643 | AppendField(&field, (aac_cie.sampleRate & A2DP_AAC_SAMPLING_FREQ_88200), |
| 644 | "88200"); |
| 645 | AppendField(&field, (aac_cie.sampleRate & A2DP_AAC_SAMPLING_FREQ_96000), |
| 646 | "96000"); |
| 647 | res << "\tsamp_freq: " << field << " (" << loghex(aac_cie.sampleRate) |
| 648 | << ")\n"; |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 649 | |
Pavlin Radoslavov | 25cd054 | 2018-04-06 17:05:47 -0700 | [diff] [blame] | 650 | // Channel mode |
| 651 | field.clear(); |
| 652 | AppendField(&field, (aac_cie.channelMode == 0), "NONE"); |
| 653 | AppendField(&field, (aac_cie.channelMode == A2DP_AAC_CHANNEL_MODE_MONO), |
| 654 | "Mono"); |
| 655 | AppendField(&field, (aac_cie.channelMode == A2DP_AAC_CHANNEL_MODE_STEREO), |
| 656 | "Stereo"); |
| 657 | res << "\tch_mode: " << field << " (" << loghex(aac_cie.channelMode) << ")\n"; |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 658 | |
Pavlin Radoslavov | 25cd054 | 2018-04-06 17:05:47 -0700 | [diff] [blame] | 659 | // Variable bit rate support |
| 660 | res << "\tvariableBitRateSupport: " << std::boolalpha |
| 661 | << (aac_cie.variableBitRateSupport != 0) << "\n"; |
Pavlin Radoslavov | 219b85f | 2017-08-02 13:43:44 -0700 | [diff] [blame] | 662 | |
Pavlin Radoslavov | 25cd054 | 2018-04-06 17:05:47 -0700 | [diff] [blame] | 663 | // Bit rate |
| 664 | res << "\tbitRate: " << std::to_string(aac_cie.bitRate) << "\n"; |
| 665 | |
| 666 | return res.str(); |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 667 | } |
| 668 | |
| 669 | const tA2DP_ENCODER_INTERFACE* A2DP_GetEncoderInterfaceAac( |
| 670 | const uint8_t* p_codec_info) { |
| 671 | if (!A2DP_IsSourceCodecValidAac(p_codec_info)) return NULL; |
| 672 | |
| 673 | return &a2dp_encoder_interface_aac; |
| 674 | } |
| 675 | |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 676 | const tA2DP_DECODER_INTERFACE* A2DP_GetDecoderInterfaceAac( |
| 677 | const uint8_t* p_codec_info) { |
| 678 | if (!A2DP_IsSinkCodecValidAac(p_codec_info)) return NULL; |
| 679 | |
| 680 | return &a2dp_decoder_interface_aac; |
| 681 | } |
| 682 | |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 683 | bool A2DP_AdjustCodecAac(uint8_t* p_codec_info) { |
| 684 | tA2DP_AAC_CIE cfg_cie; |
| 685 | |
| 686 | // Nothing to do: just verify the codec info is valid |
| 687 | if (A2DP_ParseInfoAac(&cfg_cie, p_codec_info, true) != A2DP_SUCCESS) |
| 688 | return false; |
| 689 | |
| 690 | return true; |
| 691 | } |
| 692 | |
| 693 | btav_a2dp_codec_index_t A2DP_SourceCodecIndexAac( |
| 694 | UNUSED_ATTR const uint8_t* p_codec_info) { |
| 695 | return BTAV_A2DP_CODEC_INDEX_SOURCE_AAC; |
| 696 | } |
| 697 | |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 698 | btav_a2dp_codec_index_t A2DP_SinkCodecIndexAac( |
| 699 | UNUSED_ATTR const uint8_t* p_codec_info) { |
| 700 | return BTAV_A2DP_CODEC_INDEX_SINK_AAC; |
| 701 | } |
| 702 | |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 703 | const char* A2DP_CodecIndexStrAac(void) { return "AAC"; } |
| 704 | |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 705 | const char* A2DP_CodecIndexStrAacSink(void) { return "AAC SINK"; } |
| 706 | |
Pavlin Radoslavov | d752229 | 2017-11-24 19:12:11 -0800 | [diff] [blame] | 707 | bool A2DP_InitCodecConfigAac(AvdtpSepConfig* p_cfg) { |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 708 | if (A2DP_BuildInfoAac(AVDT_MEDIA_TYPE_AUDIO, &a2dp_aac_source_caps, |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 709 | p_cfg->codec_info) != A2DP_SUCCESS) { |
| 710 | return false; |
| 711 | } |
| 712 | |
| 713 | #if (BTA_AV_CO_CP_SCMS_T == TRUE) |
| 714 | /* Content protection info - support SCMS-T */ |
| 715 | uint8_t* p = p_cfg->protect_info; |
| 716 | *p++ = AVDT_CP_LOSC; |
| 717 | UINT16_TO_STREAM(p, AVDT_CP_SCMS_T_ID); |
| 718 | p_cfg->num_protect = 1; |
| 719 | #endif |
| 720 | |
| 721 | return true; |
| 722 | } |
| 723 | |
Pavlin Radoslavov | d752229 | 2017-11-24 19:12:11 -0800 | [diff] [blame] | 724 | bool A2DP_InitCodecConfigAacSink(AvdtpSepConfig* p_cfg) { |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 725 | return A2DP_BuildInfoAac(AVDT_MEDIA_TYPE_AUDIO, &a2dp_aac_sink_caps, |
| 726 | p_cfg->codec_info) == A2DP_SUCCESS; |
| 727 | } |
| 728 | |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 729 | UNUSED_ATTR static void build_codec_config(const tA2DP_AAC_CIE& config_cie, |
| 730 | btav_a2dp_codec_config_t* result) { |
| 731 | if (config_cie.sampleRate & A2DP_AAC_SAMPLING_FREQ_44100) |
| 732 | result->sample_rate |= BTAV_A2DP_CODEC_SAMPLE_RATE_44100; |
| 733 | if (config_cie.sampleRate & A2DP_AAC_SAMPLING_FREQ_48000) |
| 734 | result->sample_rate |= BTAV_A2DP_CODEC_SAMPLE_RATE_48000; |
| 735 | if (config_cie.sampleRate & A2DP_AAC_SAMPLING_FREQ_88200) |
| 736 | result->sample_rate |= BTAV_A2DP_CODEC_SAMPLE_RATE_88200; |
| 737 | if (config_cie.sampleRate & A2DP_AAC_SAMPLING_FREQ_96000) |
| 738 | result->sample_rate |= BTAV_A2DP_CODEC_SAMPLE_RATE_96000; |
| 739 | |
| 740 | result->bits_per_sample = config_cie.bits_per_sample; |
| 741 | |
| 742 | if (config_cie.channelMode & A2DP_AAC_CHANNEL_MODE_MONO) |
| 743 | result->channel_mode |= BTAV_A2DP_CODEC_CHANNEL_MODE_MONO; |
| 744 | if (config_cie.channelMode & A2DP_AAC_CHANNEL_MODE_STEREO) { |
| 745 | result->channel_mode |= BTAV_A2DP_CODEC_CHANNEL_MODE_STEREO; |
| 746 | } |
| 747 | } |
| 748 | |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 749 | A2dpCodecConfigAacSource::A2dpCodecConfigAacSource( |
Pavlin Radoslavov | a6ba5ac | 2017-01-31 20:51:06 -0800 | [diff] [blame] | 750 | btav_a2dp_codec_priority_t codec_priority) |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 751 | : A2dpCodecConfigAacBase(BTAV_A2DP_CODEC_INDEX_SOURCE_AAC, |
| 752 | A2DP_CodecIndexStrAac(), codec_priority, true) { |
Pavlin Radoslavov | 494e53e | 2017-01-25 17:00:23 -0800 | [diff] [blame] | 753 | // Compute the local capability |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 754 | if (a2dp_aac_source_caps.sampleRate & A2DP_AAC_SAMPLING_FREQ_44100) { |
Pavlin Radoslavov | 494e53e | 2017-01-25 17:00:23 -0800 | [diff] [blame] | 755 | codec_local_capability_.sample_rate |= BTAV_A2DP_CODEC_SAMPLE_RATE_44100; |
| 756 | } |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 757 | if (a2dp_aac_source_caps.sampleRate & A2DP_AAC_SAMPLING_FREQ_48000) { |
Pavlin Radoslavov | 494e53e | 2017-01-25 17:00:23 -0800 | [diff] [blame] | 758 | codec_local_capability_.sample_rate |= BTAV_A2DP_CODEC_SAMPLE_RATE_48000; |
| 759 | } |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 760 | if (a2dp_aac_source_caps.sampleRate & A2DP_AAC_SAMPLING_FREQ_88200) { |
Pavlin Radoslavov | 494e53e | 2017-01-25 17:00:23 -0800 | [diff] [blame] | 761 | codec_local_capability_.sample_rate |= BTAV_A2DP_CODEC_SAMPLE_RATE_88200; |
| 762 | } |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 763 | if (a2dp_aac_source_caps.sampleRate & A2DP_AAC_SAMPLING_FREQ_96000) { |
Pavlin Radoslavov | 494e53e | 2017-01-25 17:00:23 -0800 | [diff] [blame] | 764 | codec_local_capability_.sample_rate |= BTAV_A2DP_CODEC_SAMPLE_RATE_96000; |
| 765 | } |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 766 | codec_local_capability_.bits_per_sample = |
| 767 | a2dp_aac_source_caps.bits_per_sample; |
| 768 | if (a2dp_aac_source_caps.channelMode & A2DP_AAC_CHANNEL_MODE_MONO) { |
Pavlin Radoslavov | 494e53e | 2017-01-25 17:00:23 -0800 | [diff] [blame] | 769 | codec_local_capability_.channel_mode |= BTAV_A2DP_CODEC_CHANNEL_MODE_MONO; |
| 770 | } |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 771 | if (a2dp_aac_source_caps.channelMode & A2DP_AAC_CHANNEL_MODE_STEREO) { |
Pavlin Radoslavov | 494e53e | 2017-01-25 17:00:23 -0800 | [diff] [blame] | 772 | codec_local_capability_.channel_mode |= BTAV_A2DP_CODEC_CHANNEL_MODE_STEREO; |
| 773 | } |
| 774 | } |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 775 | |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 776 | A2dpCodecConfigAacSource::~A2dpCodecConfigAacSource() {} |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 777 | |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 778 | bool A2dpCodecConfigAacSource::init() { |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 779 | if (!isValid()) return false; |
| 780 | |
| 781 | // Load the encoder |
| 782 | if (!A2DP_LoadEncoderAac()) { |
| 783 | LOG_ERROR(LOG_TAG, "%s: cannot load the encoder", __func__); |
| 784 | return false; |
| 785 | } |
| 786 | |
| 787 | return true; |
| 788 | } |
| 789 | |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 790 | bool A2dpCodecConfigAacSource::useRtpHeaderMarkerBit() const { return true; } |
Pavlin Radoslavov | 3b8391c | 2017-05-12 01:16:10 -0700 | [diff] [blame] | 791 | |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 792 | // |
| 793 | // Selects the best sample rate from |sampleRate|. |
| 794 | // The result is stored in |p_result| and |p_codec_config|. |
| 795 | // Returns true if a selection was made, otherwise false. |
| 796 | // |
| 797 | static bool select_best_sample_rate(uint16_t sampleRate, |
| 798 | tA2DP_AAC_CIE* p_result, |
| 799 | btav_a2dp_codec_config_t* p_codec_config) { |
| 800 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_96000) { |
| 801 | p_result->sampleRate = A2DP_AAC_SAMPLING_FREQ_96000; |
| 802 | p_codec_config->sample_rate = BTAV_A2DP_CODEC_SAMPLE_RATE_96000; |
| 803 | return true; |
| 804 | } |
| 805 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_88200) { |
| 806 | p_result->sampleRate = A2DP_AAC_SAMPLING_FREQ_88200; |
| 807 | p_codec_config->sample_rate = BTAV_A2DP_CODEC_SAMPLE_RATE_88200; |
| 808 | return true; |
| 809 | } |
| 810 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_48000) { |
| 811 | p_result->sampleRate = A2DP_AAC_SAMPLING_FREQ_48000; |
| 812 | p_codec_config->sample_rate = BTAV_A2DP_CODEC_SAMPLE_RATE_48000; |
| 813 | return true; |
| 814 | } |
| 815 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_44100) { |
| 816 | p_result->sampleRate = A2DP_AAC_SAMPLING_FREQ_44100; |
| 817 | p_codec_config->sample_rate = BTAV_A2DP_CODEC_SAMPLE_RATE_44100; |
| 818 | return true; |
| 819 | } |
| 820 | return false; |
| 821 | } |
| 822 | |
| 823 | // |
| 824 | // Selects the audio sample rate from |p_codec_audio_config|. |
| 825 | // |sampleRate| contains the capability. |
| 826 | // The result is stored in |p_result| and |p_codec_config|. |
| 827 | // Returns true if a selection was made, otherwise false. |
| 828 | // |
| 829 | static bool select_audio_sample_rate( |
| 830 | const btav_a2dp_codec_config_t* p_codec_audio_config, uint16_t sampleRate, |
| 831 | tA2DP_AAC_CIE* p_result, btav_a2dp_codec_config_t* p_codec_config) { |
| 832 | switch (p_codec_audio_config->sample_rate) { |
| 833 | case BTAV_A2DP_CODEC_SAMPLE_RATE_44100: |
| 834 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_44100) { |
| 835 | p_result->sampleRate = A2DP_AAC_SAMPLING_FREQ_44100; |
| 836 | p_codec_config->sample_rate = BTAV_A2DP_CODEC_SAMPLE_RATE_44100; |
| 837 | return true; |
| 838 | } |
| 839 | break; |
| 840 | case BTAV_A2DP_CODEC_SAMPLE_RATE_48000: |
| 841 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_48000) { |
| 842 | p_result->sampleRate = A2DP_AAC_SAMPLING_FREQ_48000; |
| 843 | p_codec_config->sample_rate = BTAV_A2DP_CODEC_SAMPLE_RATE_48000; |
| 844 | return true; |
| 845 | } |
| 846 | break; |
| 847 | case BTAV_A2DP_CODEC_SAMPLE_RATE_88200: |
| 848 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_88200) { |
| 849 | p_result->sampleRate = A2DP_AAC_SAMPLING_FREQ_88200; |
| 850 | p_codec_config->sample_rate = BTAV_A2DP_CODEC_SAMPLE_RATE_88200; |
| 851 | return true; |
| 852 | } |
| 853 | break; |
| 854 | case BTAV_A2DP_CODEC_SAMPLE_RATE_96000: |
| 855 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_96000) { |
| 856 | p_result->sampleRate = A2DP_AAC_SAMPLING_FREQ_96000; |
| 857 | p_codec_config->sample_rate = BTAV_A2DP_CODEC_SAMPLE_RATE_96000; |
| 858 | return true; |
| 859 | } |
| 860 | break; |
| 861 | case BTAV_A2DP_CODEC_SAMPLE_RATE_176400: |
| 862 | case BTAV_A2DP_CODEC_SAMPLE_RATE_192000: |
Jakub Pawlowski | fd7a984 | 2018-02-28 18:40:33 -0800 | [diff] [blame] | 863 | case BTAV_A2DP_CODEC_SAMPLE_RATE_16000: |
Jakub Pawlowski | bd39c6e | 2018-03-02 01:56:09 -0800 | [diff] [blame] | 864 | case BTAV_A2DP_CODEC_SAMPLE_RATE_24000: |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 865 | case BTAV_A2DP_CODEC_SAMPLE_RATE_NONE: |
| 866 | break; |
| 867 | } |
| 868 | return false; |
| 869 | } |
| 870 | |
| 871 | // |
| 872 | // Selects the best bits per sample from |bits_per_sample|. |
| 873 | // |bits_per_sample| contains the capability. |
| 874 | // The result is stored in |p_result| and |p_codec_config|. |
| 875 | // Returns true if a selection was made, otherwise false. |
| 876 | // |
| 877 | static bool select_best_bits_per_sample( |
| 878 | btav_a2dp_codec_bits_per_sample_t bits_per_sample, tA2DP_AAC_CIE* p_result, |
| 879 | btav_a2dp_codec_config_t* p_codec_config) { |
| 880 | if (bits_per_sample & BTAV_A2DP_CODEC_BITS_PER_SAMPLE_32) { |
| 881 | p_codec_config->bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_32; |
| 882 | p_result->bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_32; |
| 883 | return true; |
| 884 | } |
| 885 | if (bits_per_sample & BTAV_A2DP_CODEC_BITS_PER_SAMPLE_24) { |
| 886 | p_codec_config->bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_24; |
| 887 | p_result->bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_24; |
| 888 | return true; |
| 889 | } |
| 890 | if (bits_per_sample & BTAV_A2DP_CODEC_BITS_PER_SAMPLE_16) { |
| 891 | p_codec_config->bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_16; |
| 892 | p_result->bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_16; |
| 893 | return true; |
| 894 | } |
| 895 | return false; |
| 896 | } |
| 897 | |
| 898 | // |
| 899 | // Selects the audio bits per sample from |p_codec_audio_config|. |
| 900 | // |bits_per_sample| contains the capability. |
| 901 | // The result is stored in |p_result| and |p_codec_config|. |
| 902 | // Returns true if a selection was made, otherwise false. |
| 903 | // |
| 904 | static bool select_audio_bits_per_sample( |
| 905 | const btav_a2dp_codec_config_t* p_codec_audio_config, |
| 906 | btav_a2dp_codec_bits_per_sample_t bits_per_sample, tA2DP_AAC_CIE* p_result, |
| 907 | btav_a2dp_codec_config_t* p_codec_config) { |
| 908 | switch (p_codec_audio_config->bits_per_sample) { |
| 909 | case BTAV_A2DP_CODEC_BITS_PER_SAMPLE_16: |
| 910 | if (bits_per_sample & BTAV_A2DP_CODEC_BITS_PER_SAMPLE_16) { |
| 911 | p_codec_config->bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_16; |
| 912 | p_result->bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_16; |
| 913 | return true; |
| 914 | } |
| 915 | break; |
| 916 | case BTAV_A2DP_CODEC_BITS_PER_SAMPLE_24: |
| 917 | if (bits_per_sample & BTAV_A2DP_CODEC_BITS_PER_SAMPLE_24) { |
| 918 | p_codec_config->bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_24; |
| 919 | p_result->bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_24; |
| 920 | return true; |
| 921 | } |
| 922 | break; |
| 923 | case BTAV_A2DP_CODEC_BITS_PER_SAMPLE_32: |
| 924 | if (bits_per_sample & BTAV_A2DP_CODEC_BITS_PER_SAMPLE_32) { |
| 925 | p_codec_config->bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_32; |
| 926 | p_result->bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_32; |
| 927 | return true; |
| 928 | } |
| 929 | break; |
| 930 | case BTAV_A2DP_CODEC_BITS_PER_SAMPLE_NONE: |
| 931 | break; |
| 932 | } |
| 933 | return false; |
| 934 | } |
| 935 | |
| 936 | // |
| 937 | // Selects the best channel mode from |channelMode|. |
| 938 | // The result is stored in |p_result| and |p_codec_config|. |
| 939 | // Returns true if a selection was made, otherwise false. |
| 940 | // |
| 941 | static bool select_best_channel_mode(uint8_t channelMode, |
| 942 | tA2DP_AAC_CIE* p_result, |
| 943 | btav_a2dp_codec_config_t* p_codec_config) { |
| 944 | if (channelMode & A2DP_AAC_CHANNEL_MODE_STEREO) { |
| 945 | p_result->channelMode = A2DP_AAC_CHANNEL_MODE_STEREO; |
| 946 | p_codec_config->channel_mode = BTAV_A2DP_CODEC_CHANNEL_MODE_STEREO; |
| 947 | return true; |
| 948 | } |
| 949 | if (channelMode & A2DP_AAC_CHANNEL_MODE_MONO) { |
| 950 | p_result->channelMode = A2DP_AAC_CHANNEL_MODE_MONO; |
| 951 | p_codec_config->channel_mode = BTAV_A2DP_CODEC_CHANNEL_MODE_MONO; |
| 952 | return true; |
| 953 | } |
| 954 | return false; |
| 955 | } |
| 956 | |
| 957 | // |
| 958 | // Selects the audio channel mode from |p_codec_audio_config|. |
| 959 | // |channelMode| contains the capability. |
| 960 | // The result is stored in |p_result| and |p_codec_config|. |
| 961 | // Returns true if a selection was made, otherwise false. |
| 962 | // |
| 963 | static bool select_audio_channel_mode( |
| 964 | const btav_a2dp_codec_config_t* p_codec_audio_config, uint8_t channelMode, |
| 965 | tA2DP_AAC_CIE* p_result, btav_a2dp_codec_config_t* p_codec_config) { |
| 966 | switch (p_codec_audio_config->channel_mode) { |
| 967 | case BTAV_A2DP_CODEC_CHANNEL_MODE_MONO: |
| 968 | if (channelMode & A2DP_AAC_CHANNEL_MODE_MONO) { |
| 969 | p_result->channelMode = A2DP_AAC_CHANNEL_MODE_MONO; |
| 970 | p_codec_config->channel_mode = BTAV_A2DP_CODEC_CHANNEL_MODE_MONO; |
| 971 | return true; |
| 972 | } |
| 973 | break; |
| 974 | case BTAV_A2DP_CODEC_CHANNEL_MODE_STEREO: |
| 975 | if (channelMode & A2DP_AAC_CHANNEL_MODE_STEREO) { |
| 976 | p_result->channelMode = A2DP_AAC_CHANNEL_MODE_STEREO; |
| 977 | p_codec_config->channel_mode = BTAV_A2DP_CODEC_CHANNEL_MODE_STEREO; |
| 978 | return true; |
| 979 | } |
| 980 | break; |
| 981 | case BTAV_A2DP_CODEC_CHANNEL_MODE_NONE: |
| 982 | break; |
| 983 | } |
| 984 | |
| 985 | return false; |
| 986 | } |
| 987 | |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 988 | bool A2dpCodecConfigAacBase::setCodecConfig(const uint8_t* p_peer_codec_info, |
| 989 | bool is_capability, |
| 990 | uint8_t* p_result_codec_config) { |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 991 | std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 992 | tA2DP_AAC_CIE peer_info_cie; |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 993 | tA2DP_AAC_CIE result_config_cie; |
| 994 | uint8_t channelMode; |
| 995 | uint16_t sampleRate; |
| 996 | btav_a2dp_codec_bits_per_sample_t bits_per_sample; |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 997 | const tA2DP_AAC_CIE* p_a2dp_aac_caps = |
| 998 | (is_source_) ? &a2dp_aac_source_caps : &a2dp_aac_sink_caps; |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 999 | |
| 1000 | // Save the internal state |
| 1001 | btav_a2dp_codec_config_t saved_codec_config = codec_config_; |
| 1002 | btav_a2dp_codec_config_t saved_codec_capability = codec_capability_; |
Pavlin Radoslavov | 494e53e | 2017-01-25 17:00:23 -0800 | [diff] [blame] | 1003 | btav_a2dp_codec_config_t saved_codec_selectable_capability = |
| 1004 | codec_selectable_capability_; |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1005 | btav_a2dp_codec_config_t saved_codec_user_config = codec_user_config_; |
| 1006 | btav_a2dp_codec_config_t saved_codec_audio_config = codec_audio_config_; |
| 1007 | uint8_t saved_ota_codec_config[AVDT_CODEC_SIZE]; |
| 1008 | uint8_t saved_ota_codec_peer_capability[AVDT_CODEC_SIZE]; |
| 1009 | uint8_t saved_ota_codec_peer_config[AVDT_CODEC_SIZE]; |
| 1010 | memcpy(saved_ota_codec_config, ota_codec_config_, sizeof(ota_codec_config_)); |
| 1011 | memcpy(saved_ota_codec_peer_capability, ota_codec_peer_capability_, |
| 1012 | sizeof(ota_codec_peer_capability_)); |
| 1013 | memcpy(saved_ota_codec_peer_config, ota_codec_peer_config_, |
| 1014 | sizeof(ota_codec_peer_config_)); |
| 1015 | |
| 1016 | tA2DP_STATUS status = |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1017 | A2DP_ParseInfoAac(&peer_info_cie, p_peer_codec_info, is_capability); |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1018 | if (status != A2DP_SUCCESS) { |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1019 | LOG_ERROR(LOG_TAG, "%s: can't parse peer's capabilities: error = %d", |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1020 | __func__, status); |
| 1021 | goto fail; |
| 1022 | } |
| 1023 | |
| 1024 | // |
| 1025 | // Build the preferred configuration |
| 1026 | // |
| 1027 | memset(&result_config_cie, 0, sizeof(result_config_cie)); |
| 1028 | |
| 1029 | // NOTE: Always assign the Object Type and Variable Bit Rate Support. |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1030 | result_config_cie.objectType = p_a2dp_aac_caps->objectType; |
| 1031 | // The Variable Bit Rate Support is disabled if either side disables it |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1032 | result_config_cie.variableBitRateSupport = |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1033 | p_a2dp_aac_caps->variableBitRateSupport & |
| 1034 | peer_info_cie.variableBitRateSupport; |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1035 | |
Pavlin Radoslavov | f378b2b | 2017-02-17 09:53:52 -0800 | [diff] [blame] | 1036 | // Set the bit rate as follows: |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1037 | // 1. If the remote device reports a bogus bit rate |
Pavlin Radoslavov | f378b2b | 2017-02-17 09:53:52 -0800 | [diff] [blame] | 1038 | // (bitRate < A2DP_AAC_MIN_BITRATE), then use the bit rate from our |
| 1039 | // configuration. Examples of observed bogus bit rates are zero |
| 1040 | // and 24576. |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1041 | // 2. If the remote device reports valid bit rate |
Pavlin Radoslavov | f378b2b | 2017-02-17 09:53:52 -0800 | [diff] [blame] | 1042 | // (bitRate >= A2DP_AAC_MIN_BITRATE), then use the smaller |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1043 | // of the remote device's bit rate and the bit rate from our configuration. |
Pavlin Radoslavov | f378b2b | 2017-02-17 09:53:52 -0800 | [diff] [blame] | 1044 | // In either case, the actual streaming bit rate will also consider the MTU. |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1045 | if (peer_info_cie.bitRate < A2DP_AAC_MIN_BITRATE) { |
Pavlin Radoslavov | f378b2b | 2017-02-17 09:53:52 -0800 | [diff] [blame] | 1046 | // Bogus bit rate |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1047 | result_config_cie.bitRate = p_a2dp_aac_caps->bitRate; |
Kenmochi, Chisato | 3b8f126 | 2017-02-09 12:23:47 -0800 | [diff] [blame] | 1048 | } else { |
| 1049 | result_config_cie.bitRate = |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1050 | std::min(p_a2dp_aac_caps->bitRate, peer_info_cie.bitRate); |
Kenmochi, Chisato | 3b8f126 | 2017-02-09 12:23:47 -0800 | [diff] [blame] | 1051 | } |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1052 | |
| 1053 | // |
| 1054 | // Select the sample frequency |
| 1055 | // |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1056 | sampleRate = p_a2dp_aac_caps->sampleRate & peer_info_cie.sampleRate; |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1057 | codec_config_.sample_rate = BTAV_A2DP_CODEC_SAMPLE_RATE_NONE; |
| 1058 | switch (codec_user_config_.sample_rate) { |
| 1059 | case BTAV_A2DP_CODEC_SAMPLE_RATE_44100: |
| 1060 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_44100) { |
| 1061 | result_config_cie.sampleRate = A2DP_AAC_SAMPLING_FREQ_44100; |
| 1062 | codec_capability_.sample_rate = codec_user_config_.sample_rate; |
| 1063 | codec_config_.sample_rate = codec_user_config_.sample_rate; |
| 1064 | } |
| 1065 | break; |
| 1066 | case BTAV_A2DP_CODEC_SAMPLE_RATE_48000: |
| 1067 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_48000) { |
| 1068 | result_config_cie.sampleRate = A2DP_AAC_SAMPLING_FREQ_48000; |
| 1069 | codec_capability_.sample_rate = codec_user_config_.sample_rate; |
| 1070 | codec_config_.sample_rate = codec_user_config_.sample_rate; |
| 1071 | } |
| 1072 | break; |
| 1073 | case BTAV_A2DP_CODEC_SAMPLE_RATE_88200: |
| 1074 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_88200) { |
| 1075 | result_config_cie.sampleRate = A2DP_AAC_SAMPLING_FREQ_88200; |
| 1076 | codec_capability_.sample_rate = codec_user_config_.sample_rate; |
| 1077 | codec_config_.sample_rate = codec_user_config_.sample_rate; |
| 1078 | } |
| 1079 | break; |
| 1080 | case BTAV_A2DP_CODEC_SAMPLE_RATE_96000: |
| 1081 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_96000) { |
| 1082 | result_config_cie.sampleRate = A2DP_AAC_SAMPLING_FREQ_96000; |
| 1083 | codec_capability_.sample_rate = codec_user_config_.sample_rate; |
| 1084 | codec_config_.sample_rate = codec_user_config_.sample_rate; |
| 1085 | } |
| 1086 | break; |
| 1087 | case BTAV_A2DP_CODEC_SAMPLE_RATE_176400: |
| 1088 | case BTAV_A2DP_CODEC_SAMPLE_RATE_192000: |
Jakub Pawlowski | fd7a984 | 2018-02-28 18:40:33 -0800 | [diff] [blame] | 1089 | case BTAV_A2DP_CODEC_SAMPLE_RATE_16000: |
Jakub Pawlowski | bd39c6e | 2018-03-02 01:56:09 -0800 | [diff] [blame] | 1090 | case BTAV_A2DP_CODEC_SAMPLE_RATE_24000: |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1091 | case BTAV_A2DP_CODEC_SAMPLE_RATE_NONE: |
| 1092 | codec_capability_.sample_rate = BTAV_A2DP_CODEC_SAMPLE_RATE_NONE; |
| 1093 | codec_config_.sample_rate = BTAV_A2DP_CODEC_SAMPLE_RATE_NONE; |
| 1094 | break; |
| 1095 | } |
| 1096 | |
| 1097 | // Select the sample frequency if there is no user preference |
| 1098 | do { |
Pavlin Radoslavov | 494e53e | 2017-01-25 17:00:23 -0800 | [diff] [blame] | 1099 | // Compute the selectable capability |
| 1100 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_44100) { |
| 1101 | codec_selectable_capability_.sample_rate |= |
| 1102 | BTAV_A2DP_CODEC_SAMPLE_RATE_44100; |
| 1103 | } |
| 1104 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_48000) { |
| 1105 | codec_selectable_capability_.sample_rate |= |
| 1106 | BTAV_A2DP_CODEC_SAMPLE_RATE_48000; |
| 1107 | } |
| 1108 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_88200) { |
| 1109 | codec_selectable_capability_.sample_rate |= |
| 1110 | BTAV_A2DP_CODEC_SAMPLE_RATE_88200; |
| 1111 | } |
| 1112 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_96000) { |
| 1113 | codec_selectable_capability_.sample_rate |= |
| 1114 | BTAV_A2DP_CODEC_SAMPLE_RATE_96000; |
| 1115 | } |
| 1116 | |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1117 | if (codec_config_.sample_rate != BTAV_A2DP_CODEC_SAMPLE_RATE_NONE) break; |
| 1118 | |
| 1119 | // Compute the common capability |
| 1120 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_44100) |
| 1121 | codec_capability_.sample_rate |= BTAV_A2DP_CODEC_SAMPLE_RATE_44100; |
| 1122 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_48000) |
| 1123 | codec_capability_.sample_rate |= BTAV_A2DP_CODEC_SAMPLE_RATE_48000; |
| 1124 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_88200) |
| 1125 | codec_capability_.sample_rate |= BTAV_A2DP_CODEC_SAMPLE_RATE_88200; |
| 1126 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_96000) |
| 1127 | codec_capability_.sample_rate |= BTAV_A2DP_CODEC_SAMPLE_RATE_96000; |
| 1128 | |
| 1129 | // No user preference - try the codec audio config |
| 1130 | if (select_audio_sample_rate(&codec_audio_config_, sampleRate, |
| 1131 | &result_config_cie, &codec_config_)) { |
| 1132 | break; |
| 1133 | } |
| 1134 | |
| 1135 | // No user preference - try the default config |
| 1136 | if (select_best_sample_rate( |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1137 | a2dp_aac_default_config.sampleRate & peer_info_cie.sampleRate, |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1138 | &result_config_cie, &codec_config_)) { |
| 1139 | break; |
| 1140 | } |
| 1141 | |
| 1142 | // No user preference - use the best match |
| 1143 | if (select_best_sample_rate(sampleRate, &result_config_cie, |
| 1144 | &codec_config_)) { |
| 1145 | break; |
| 1146 | } |
| 1147 | } while (false); |
| 1148 | if (codec_config_.sample_rate == BTAV_A2DP_CODEC_SAMPLE_RATE_NONE) { |
| 1149 | LOG_ERROR(LOG_TAG, |
| 1150 | "%s: cannot match sample frequency: source caps = 0x%x " |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1151 | "peer info = 0x%x", |
| 1152 | __func__, p_a2dp_aac_caps->sampleRate, peer_info_cie.sampleRate); |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1153 | goto fail; |
| 1154 | } |
| 1155 | |
| 1156 | // |
| 1157 | // Select the bits per sample |
| 1158 | // |
| 1159 | // NOTE: this information is NOT included in the AAC A2DP codec description |
| 1160 | // that is sent OTA. |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1161 | bits_per_sample = p_a2dp_aac_caps->bits_per_sample; |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1162 | codec_config_.bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_NONE; |
| 1163 | switch (codec_user_config_.bits_per_sample) { |
| 1164 | case BTAV_A2DP_CODEC_BITS_PER_SAMPLE_16: |
| 1165 | if (bits_per_sample & BTAV_A2DP_CODEC_BITS_PER_SAMPLE_16) { |
| 1166 | result_config_cie.bits_per_sample = codec_user_config_.bits_per_sample; |
| 1167 | codec_capability_.bits_per_sample = codec_user_config_.bits_per_sample; |
| 1168 | codec_config_.bits_per_sample = codec_user_config_.bits_per_sample; |
| 1169 | } |
| 1170 | break; |
| 1171 | case BTAV_A2DP_CODEC_BITS_PER_SAMPLE_24: |
| 1172 | if (bits_per_sample & BTAV_A2DP_CODEC_BITS_PER_SAMPLE_24) { |
| 1173 | result_config_cie.bits_per_sample = codec_user_config_.bits_per_sample; |
| 1174 | codec_capability_.bits_per_sample = codec_user_config_.bits_per_sample; |
| 1175 | codec_config_.bits_per_sample = codec_user_config_.bits_per_sample; |
| 1176 | } |
| 1177 | break; |
| 1178 | case BTAV_A2DP_CODEC_BITS_PER_SAMPLE_32: |
| 1179 | if (bits_per_sample & BTAV_A2DP_CODEC_BITS_PER_SAMPLE_32) { |
| 1180 | result_config_cie.bits_per_sample = codec_user_config_.bits_per_sample; |
| 1181 | codec_capability_.bits_per_sample = codec_user_config_.bits_per_sample; |
| 1182 | codec_config_.bits_per_sample = codec_user_config_.bits_per_sample; |
| 1183 | } |
| 1184 | break; |
| 1185 | case BTAV_A2DP_CODEC_BITS_PER_SAMPLE_NONE: |
| 1186 | result_config_cie.bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_NONE; |
| 1187 | codec_capability_.bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_NONE; |
| 1188 | codec_config_.bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_NONE; |
| 1189 | break; |
| 1190 | } |
| 1191 | |
| 1192 | // Select the bits per sample if there is no user preference |
| 1193 | do { |
Pavlin Radoslavov | 494e53e | 2017-01-25 17:00:23 -0800 | [diff] [blame] | 1194 | // Compute the selectable capability |
| 1195 | codec_selectable_capability_.bits_per_sample = |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1196 | p_a2dp_aac_caps->bits_per_sample; |
Pavlin Radoslavov | 494e53e | 2017-01-25 17:00:23 -0800 | [diff] [blame] | 1197 | |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1198 | if (codec_config_.bits_per_sample != BTAV_A2DP_CODEC_BITS_PER_SAMPLE_NONE) |
| 1199 | break; |
| 1200 | |
| 1201 | // Compute the common capability |
| 1202 | codec_capability_.bits_per_sample = bits_per_sample; |
| 1203 | |
| 1204 | // No user preference - the the codec audio config |
| 1205 | if (select_audio_bits_per_sample(&codec_audio_config_, |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1206 | p_a2dp_aac_caps->bits_per_sample, |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1207 | &result_config_cie, &codec_config_)) { |
| 1208 | break; |
| 1209 | } |
| 1210 | |
| 1211 | // No user preference - try the default config |
| 1212 | if (select_best_bits_per_sample(a2dp_aac_default_config.bits_per_sample, |
| 1213 | &result_config_cie, &codec_config_)) { |
| 1214 | break; |
| 1215 | } |
| 1216 | |
| 1217 | // No user preference - use the best match |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1218 | if (select_best_bits_per_sample(p_a2dp_aac_caps->bits_per_sample, |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1219 | &result_config_cie, &codec_config_)) { |
| 1220 | break; |
| 1221 | } |
| 1222 | } while (false); |
| 1223 | if (codec_config_.bits_per_sample == BTAV_A2DP_CODEC_BITS_PER_SAMPLE_NONE) { |
| 1224 | LOG_ERROR(LOG_TAG, |
| 1225 | "%s: cannot match bits per sample: default = 0x%x " |
| 1226 | "user preference = 0x%x", |
| 1227 | __func__, a2dp_aac_default_config.bits_per_sample, |
| 1228 | codec_user_config_.bits_per_sample); |
| 1229 | goto fail; |
| 1230 | } |
| 1231 | |
| 1232 | // |
| 1233 | // Select the channel mode |
| 1234 | // |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1235 | channelMode = p_a2dp_aac_caps->channelMode & peer_info_cie.channelMode; |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1236 | codec_config_.channel_mode = BTAV_A2DP_CODEC_CHANNEL_MODE_NONE; |
| 1237 | switch (codec_user_config_.channel_mode) { |
| 1238 | case BTAV_A2DP_CODEC_CHANNEL_MODE_MONO: |
| 1239 | if (channelMode & A2DP_AAC_CHANNEL_MODE_MONO) { |
| 1240 | result_config_cie.channelMode = A2DP_AAC_CHANNEL_MODE_MONO; |
| 1241 | codec_capability_.channel_mode = codec_user_config_.channel_mode; |
| 1242 | codec_config_.channel_mode = codec_user_config_.channel_mode; |
| 1243 | } |
| 1244 | break; |
| 1245 | case BTAV_A2DP_CODEC_CHANNEL_MODE_STEREO: |
| 1246 | if (channelMode & A2DP_AAC_CHANNEL_MODE_STEREO) { |
| 1247 | result_config_cie.channelMode = A2DP_AAC_CHANNEL_MODE_STEREO; |
| 1248 | codec_capability_.channel_mode = codec_user_config_.channel_mode; |
| 1249 | codec_config_.channel_mode = codec_user_config_.channel_mode; |
| 1250 | } |
| 1251 | break; |
| 1252 | case BTAV_A2DP_CODEC_CHANNEL_MODE_NONE: |
| 1253 | codec_capability_.channel_mode = BTAV_A2DP_CODEC_CHANNEL_MODE_NONE; |
| 1254 | codec_config_.channel_mode = BTAV_A2DP_CODEC_CHANNEL_MODE_NONE; |
| 1255 | break; |
| 1256 | } |
| 1257 | |
| 1258 | // Select the channel mode if there is no user preference |
| 1259 | do { |
Pavlin Radoslavov | 494e53e | 2017-01-25 17:00:23 -0800 | [diff] [blame] | 1260 | // Compute the selectable capability |
| 1261 | if (channelMode & A2DP_AAC_CHANNEL_MODE_MONO) { |
| 1262 | codec_selectable_capability_.channel_mode |= |
| 1263 | BTAV_A2DP_CODEC_CHANNEL_MODE_MONO; |
| 1264 | } |
| 1265 | if (channelMode & A2DP_AAC_CHANNEL_MODE_STEREO) { |
| 1266 | codec_selectable_capability_.channel_mode |= |
| 1267 | BTAV_A2DP_CODEC_CHANNEL_MODE_STEREO; |
| 1268 | } |
| 1269 | |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1270 | if (codec_config_.channel_mode != BTAV_A2DP_CODEC_CHANNEL_MODE_NONE) break; |
| 1271 | |
| 1272 | // Compute the common capability |
| 1273 | if (channelMode & A2DP_AAC_CHANNEL_MODE_MONO) |
| 1274 | codec_capability_.channel_mode |= BTAV_A2DP_CODEC_CHANNEL_MODE_MONO; |
| 1275 | if (channelMode & A2DP_AAC_CHANNEL_MODE_STEREO) { |
| 1276 | codec_capability_.channel_mode |= BTAV_A2DP_CODEC_CHANNEL_MODE_STEREO; |
| 1277 | } |
| 1278 | |
| 1279 | // No user preference - try the codec audio config |
| 1280 | if (select_audio_channel_mode(&codec_audio_config_, channelMode, |
| 1281 | &result_config_cie, &codec_config_)) { |
| 1282 | break; |
| 1283 | } |
| 1284 | |
| 1285 | // No user preference - try the default config |
| 1286 | if (select_best_channel_mode( |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1287 | a2dp_aac_default_config.channelMode & peer_info_cie.channelMode, |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1288 | &result_config_cie, &codec_config_)) { |
| 1289 | break; |
| 1290 | } |
| 1291 | |
| 1292 | // No user preference - use the best match |
| 1293 | if (select_best_channel_mode(channelMode, &result_config_cie, |
| 1294 | &codec_config_)) { |
| 1295 | break; |
| 1296 | } |
| 1297 | } while (false); |
| 1298 | if (codec_config_.channel_mode == BTAV_A2DP_CODEC_CHANNEL_MODE_NONE) { |
| 1299 | LOG_ERROR(LOG_TAG, |
| 1300 | "%s: cannot match channel mode: source caps = 0x%x " |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1301 | "peer info = 0x%x", |
| 1302 | __func__, p_a2dp_aac_caps->channelMode, |
| 1303 | peer_info_cie.channelMode); |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1304 | goto fail; |
| 1305 | } |
| 1306 | |
| 1307 | if (A2DP_BuildInfoAac(AVDT_MEDIA_TYPE_AUDIO, &result_config_cie, |
| 1308 | p_result_codec_config) != A2DP_SUCCESS) { |
| 1309 | goto fail; |
| 1310 | } |
| 1311 | |
| 1312 | // |
| 1313 | // Copy the codec-specific fields if they are not zero |
| 1314 | // |
| 1315 | if (codec_user_config_.codec_specific_1 != 0) |
| 1316 | codec_config_.codec_specific_1 = codec_user_config_.codec_specific_1; |
| 1317 | if (codec_user_config_.codec_specific_2 != 0) |
| 1318 | codec_config_.codec_specific_2 = codec_user_config_.codec_specific_2; |
| 1319 | if (codec_user_config_.codec_specific_3 != 0) |
| 1320 | codec_config_.codec_specific_3 = codec_user_config_.codec_specific_3; |
| 1321 | if (codec_user_config_.codec_specific_4 != 0) |
| 1322 | codec_config_.codec_specific_4 = codec_user_config_.codec_specific_4; |
| 1323 | |
Pavlin Radoslavov | d5a0532 | 2018-04-09 18:01:41 -0700 | [diff] [blame] | 1324 | // Create a local copy of the peer codec capability/config, and the |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1325 | // result codec config. |
| 1326 | if (is_capability) { |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1327 | status = A2DP_BuildInfoAac(AVDT_MEDIA_TYPE_AUDIO, &peer_info_cie, |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1328 | ota_codec_peer_capability_); |
| 1329 | } else { |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1330 | status = A2DP_BuildInfoAac(AVDT_MEDIA_TYPE_AUDIO, &peer_info_cie, |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1331 | ota_codec_peer_config_); |
| 1332 | } |
| 1333 | CHECK(status == A2DP_SUCCESS); |
| 1334 | status = A2DP_BuildInfoAac(AVDT_MEDIA_TYPE_AUDIO, &result_config_cie, |
| 1335 | ota_codec_config_); |
| 1336 | CHECK(status == A2DP_SUCCESS); |
| 1337 | return true; |
| 1338 | |
| 1339 | fail: |
| 1340 | // Restore the internal state |
| 1341 | codec_config_ = saved_codec_config; |
| 1342 | codec_capability_ = saved_codec_capability; |
Pavlin Radoslavov | 494e53e | 2017-01-25 17:00:23 -0800 | [diff] [blame] | 1343 | codec_selectable_capability_ = saved_codec_selectable_capability; |
Pavlin Radoslavov | d5f4960 | 2017-01-03 16:53:18 -0800 | [diff] [blame] | 1344 | codec_user_config_ = saved_codec_user_config; |
| 1345 | codec_audio_config_ = saved_codec_audio_config; |
| 1346 | memcpy(ota_codec_config_, saved_ota_codec_config, sizeof(ota_codec_config_)); |
| 1347 | memcpy(ota_codec_peer_capability_, saved_ota_codec_peer_capability, |
| 1348 | sizeof(ota_codec_peer_capability_)); |
| 1349 | memcpy(ota_codec_peer_config_, saved_ota_codec_peer_config, |
| 1350 | sizeof(ota_codec_peer_config_)); |
| 1351 | return false; |
| 1352 | } |
Chisato Kenmochi | f57c428 | 2018-08-10 20:44:05 +0900 | [diff] [blame] | 1353 | |
Pavlin Radoslavov | d5a0532 | 2018-04-09 18:01:41 -0700 | [diff] [blame] | 1354 | bool A2dpCodecConfigAacBase::setPeerCodecCapabilities( |
| 1355 | const uint8_t* p_peer_codec_capabilities) { |
| 1356 | std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
| 1357 | tA2DP_AAC_CIE peer_info_cie; |
| 1358 | uint8_t channelMode; |
| 1359 | uint16_t sampleRate; |
| 1360 | const tA2DP_AAC_CIE* p_a2dp_aac_caps = |
| 1361 | (is_source_) ? &a2dp_aac_source_caps : &a2dp_aac_sink_caps; |
| 1362 | |
| 1363 | // Save the internal state |
| 1364 | btav_a2dp_codec_config_t saved_codec_selectable_capability = |
| 1365 | codec_selectable_capability_; |
| 1366 | uint8_t saved_ota_codec_peer_capability[AVDT_CODEC_SIZE]; |
| 1367 | memcpy(saved_ota_codec_peer_capability, ota_codec_peer_capability_, |
| 1368 | sizeof(ota_codec_peer_capability_)); |
| 1369 | |
| 1370 | tA2DP_STATUS status = |
| 1371 | A2DP_ParseInfoAac(&peer_info_cie, p_peer_codec_capabilities, true); |
| 1372 | if (status != A2DP_SUCCESS) { |
| 1373 | LOG_ERROR(LOG_TAG, "%s: can't parse peer's capabilities: error = %d", |
| 1374 | __func__, status); |
| 1375 | goto fail; |
| 1376 | } |
| 1377 | |
| 1378 | // Compute the selectable capability - sample rate |
| 1379 | sampleRate = p_a2dp_aac_caps->sampleRate & peer_info_cie.sampleRate; |
| 1380 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_44100) { |
| 1381 | codec_selectable_capability_.sample_rate |= |
| 1382 | BTAV_A2DP_CODEC_SAMPLE_RATE_44100; |
| 1383 | } |
| 1384 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_48000) { |
| 1385 | codec_selectable_capability_.sample_rate |= |
| 1386 | BTAV_A2DP_CODEC_SAMPLE_RATE_48000; |
| 1387 | } |
| 1388 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_88200) { |
| 1389 | codec_selectable_capability_.sample_rate |= |
| 1390 | BTAV_A2DP_CODEC_SAMPLE_RATE_88200; |
| 1391 | } |
| 1392 | if (sampleRate & A2DP_AAC_SAMPLING_FREQ_96000) { |
| 1393 | codec_selectable_capability_.sample_rate |= |
| 1394 | BTAV_A2DP_CODEC_SAMPLE_RATE_96000; |
| 1395 | } |
| 1396 | |
| 1397 | // Compute the selectable capability - bits per sample |
| 1398 | codec_selectable_capability_.bits_per_sample = |
| 1399 | p_a2dp_aac_caps->bits_per_sample; |
| 1400 | |
| 1401 | // Compute the selectable capability - channel mode |
| 1402 | channelMode = p_a2dp_aac_caps->channelMode & peer_info_cie.channelMode; |
| 1403 | if (channelMode & A2DP_AAC_CHANNEL_MODE_MONO) { |
| 1404 | codec_selectable_capability_.channel_mode |= |
| 1405 | BTAV_A2DP_CODEC_CHANNEL_MODE_MONO; |
| 1406 | } |
| 1407 | if (channelMode & A2DP_AAC_CHANNEL_MODE_STEREO) { |
| 1408 | codec_selectable_capability_.channel_mode |= |
| 1409 | BTAV_A2DP_CODEC_CHANNEL_MODE_STEREO; |
| 1410 | } |
| 1411 | |
| 1412 | status = A2DP_BuildInfoAac(AVDT_MEDIA_TYPE_AUDIO, &peer_info_cie, |
| 1413 | ota_codec_peer_capability_); |
| 1414 | CHECK(status == A2DP_SUCCESS); |
| 1415 | return true; |
| 1416 | |
| 1417 | fail: |
| 1418 | // Restore the internal state |
| 1419 | codec_selectable_capability_ = saved_codec_selectable_capability; |
| 1420 | memcpy(ota_codec_peer_capability_, saved_ota_codec_peer_capability, |
| 1421 | sizeof(ota_codec_peer_capability_)); |
| 1422 | return false; |
| 1423 | } |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 1424 | |
| 1425 | A2dpCodecConfigAacSink::A2dpCodecConfigAacSink( |
| 1426 | btav_a2dp_codec_priority_t codec_priority) |
Pavlin Radoslavov | f8dd02a | 2018-03-26 23:30:46 -0700 | [diff] [blame] | 1427 | : A2dpCodecConfigAacBase(BTAV_A2DP_CODEC_INDEX_SINK_AAC, |
| 1428 | A2DP_CodecIndexStrAacSink(), codec_priority, |
| 1429 | false) {} |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 1430 | |
| 1431 | A2dpCodecConfigAacSink::~A2dpCodecConfigAacSink() {} |
| 1432 | |
| 1433 | bool A2dpCodecConfigAacSink::init() { |
| 1434 | if (!isValid()) return false; |
| 1435 | |
| 1436 | // Load the decoder |
| 1437 | if (!A2DP_LoadDecoderAac()) { |
| 1438 | LOG_ERROR(LOG_TAG, "%s: cannot load the decoder", __func__); |
| 1439 | return false; |
| 1440 | } |
| 1441 | |
| 1442 | return true; |
| 1443 | } |
| 1444 | |
Jack He | d97e095 | 2018-08-15 22:17:23 -0700 | [diff] [blame] | 1445 | uint64_t A2dpCodecConfigAacSink::encoderIntervalMs() const { |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 1446 | // TODO: This method applies only to Source codecs |
| 1447 | return 0; |
| 1448 | } |
| 1449 | |
Pavlin Radoslavov | d57fcc8 | 2018-05-22 02:03:20 -0700 | [diff] [blame] | 1450 | int A2dpCodecConfigAacSink::getEffectiveMtu() const { |
| 1451 | // TODO: This method applies only to Source codecs |
| 1452 | return 0; |
| 1453 | } |
| 1454 | |
Bailey Forrest | 7e2ab69 | 2017-06-16 15:38:03 -0700 | [diff] [blame] | 1455 | bool A2dpCodecConfigAacSink::useRtpHeaderMarkerBit() const { |
| 1456 | // TODO: This method applies only to Source codecs |
| 1457 | return false; |
| 1458 | } |
| 1459 | |
| 1460 | bool A2dpCodecConfigAacSink::updateEncoderUserConfig( |
| 1461 | UNUSED_ATTR const tA2DP_ENCODER_INIT_PEER_PARAMS* p_peer_params, |
| 1462 | UNUSED_ATTR bool* p_restart_input, UNUSED_ATTR bool* p_restart_output, |
| 1463 | UNUSED_ATTR bool* p_config_updated) { |
| 1464 | // TODO: This method applies only to Source codecs |
| 1465 | return false; |
| 1466 | } |