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1280 lines
42 KiB
1280 lines
42 KiB
/* |
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* Copyright (C) 2016 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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|
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/** |
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* A2DP Codecs Configuration |
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*/ |
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#define LOG_TAG "a2dp_codec" |
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#include "a2dp_codec_api.h" |
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#include <base/logging.h> |
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#include <inttypes.h> |
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#include "a2dp_aac.h" |
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#include "a2dp_sbc.h" |
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#include "a2dp_vendor.h" |
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#include "a2dp_vendor_aptx.h" |
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#include "a2dp_vendor_aptx_hd.h" |
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#include "a2dp_vendor_ldac.h" |
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#include "osi/include/log.h" |
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/* The Media Type offset within the codec info byte array */ |
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#define A2DP_MEDIA_TYPE_OFFSET 1 |
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|
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// Initializes the codec config. |
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// |codec_config| is the codec config to initialize. |
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// |codec_index| and |codec_priority| are the codec type and priority to use |
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// for the initialization. |
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static void init_btav_a2dp_codec_config( |
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btav_a2dp_codec_config_t* codec_config, btav_a2dp_codec_index_t codec_index, |
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btav_a2dp_codec_priority_t codec_priority) { |
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memset(codec_config, 0, sizeof(btav_a2dp_codec_config_t)); |
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codec_config->codec_type = codec_index; |
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codec_config->codec_priority = codec_priority; |
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} |
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A2dpCodecConfig::A2dpCodecConfig(btav_a2dp_codec_index_t codec_index, |
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const std::string& name, |
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btav_a2dp_codec_priority_t codec_priority) |
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: codec_index_(codec_index), |
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name_(name), |
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default_codec_priority_(codec_priority) { |
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setCodecPriority(codec_priority); |
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init_btav_a2dp_codec_config(&codec_config_, codec_index_, codecPriority()); |
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init_btav_a2dp_codec_config(&codec_capability_, codec_index_, |
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codecPriority()); |
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init_btav_a2dp_codec_config(&codec_local_capability_, codec_index_, |
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codecPriority()); |
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init_btav_a2dp_codec_config(&codec_selectable_capability_, codec_index_, |
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codecPriority()); |
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init_btav_a2dp_codec_config(&codec_user_config_, codec_index_, |
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BTAV_A2DP_CODEC_PRIORITY_DEFAULT); |
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init_btav_a2dp_codec_config(&codec_audio_config_, codec_index_, |
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BTAV_A2DP_CODEC_PRIORITY_DEFAULT); |
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memset(ota_codec_config_, 0, sizeof(ota_codec_config_)); |
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memset(ota_codec_peer_capability_, 0, sizeof(ota_codec_peer_capability_)); |
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memset(ota_codec_peer_config_, 0, sizeof(ota_codec_peer_config_)); |
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} |
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A2dpCodecConfig::~A2dpCodecConfig() {} |
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void A2dpCodecConfig::setCodecPriority( |
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btav_a2dp_codec_priority_t codec_priority) { |
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if (codec_priority == BTAV_A2DP_CODEC_PRIORITY_DEFAULT) { |
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// Compute the default codec priority |
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setDefaultCodecPriority(); |
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} else { |
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codec_priority_ = codec_priority; |
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} |
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} |
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void A2dpCodecConfig::setDefaultCodecPriority() { |
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if (default_codec_priority_ != BTAV_A2DP_CODEC_PRIORITY_DEFAULT) { |
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codec_priority_ = default_codec_priority_; |
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} else { |
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// Compute the default codec priority |
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uint32_t priority = 1000 * (codec_index_ + 1) + 1; |
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codec_priority_ = static_cast<btav_a2dp_codec_priority_t>(priority); |
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} |
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} |
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A2dpCodecConfig* A2dpCodecConfig::createCodec( |
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btav_a2dp_codec_index_t codec_index, |
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btav_a2dp_codec_priority_t codec_priority) { |
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LOG_DEBUG(LOG_TAG, "%s: codec %s", __func__, A2DP_CodecIndexStr(codec_index)); |
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A2dpCodecConfig* codec_config = nullptr; |
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switch (codec_index) { |
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case BTAV_A2DP_CODEC_INDEX_SOURCE_SBC: |
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codec_config = new A2dpCodecConfigSbc(codec_priority); |
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break; |
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case BTAV_A2DP_CODEC_INDEX_SINK_SBC: |
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codec_config = new A2dpCodecConfigSbcSink(codec_priority); |
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break; |
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case BTAV_A2DP_CODEC_INDEX_SOURCE_AAC: |
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codec_config = new A2dpCodecConfigAac(codec_priority); |
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break; |
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case BTAV_A2DP_CODEC_INDEX_SOURCE_APTX: |
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codec_config = new A2dpCodecConfigAptx(codec_priority); |
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break; |
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case BTAV_A2DP_CODEC_INDEX_SOURCE_APTX_HD: |
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codec_config = new A2dpCodecConfigAptxHd(codec_priority); |
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break; |
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case BTAV_A2DP_CODEC_INDEX_SOURCE_LDAC: |
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codec_config = new A2dpCodecConfigLdac(codec_priority); |
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break; |
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// Add a switch statement for each vendor-specific codec |
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case BTAV_A2DP_CODEC_INDEX_MAX: |
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break; |
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} |
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if (codec_config != nullptr) { |
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if (!codec_config->init()) { |
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delete codec_config; |
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codec_config = nullptr; |
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} |
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} |
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return codec_config; |
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} |
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bool A2dpCodecConfig::isValid() const { return true; } |
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bool A2dpCodecConfig::copyOutOtaCodecConfig(uint8_t* p_codec_info) { |
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std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
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// TODO: We should use a mechanism to verify codec config, |
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// not codec capability. |
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if (!A2DP_IsSourceCodecValid(ota_codec_config_)) { |
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return false; |
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} |
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memcpy(p_codec_info, ota_codec_config_, sizeof(ota_codec_config_)); |
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return true; |
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} |
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btav_a2dp_codec_config_t A2dpCodecConfig::getCodecConfig() { |
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std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
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// TODO: We should check whether the codec config is valid |
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return codec_config_; |
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} |
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btav_a2dp_codec_config_t A2dpCodecConfig::getCodecCapability() { |
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std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
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// TODO: We should check whether the codec capability is valid |
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return codec_capability_; |
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} |
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btav_a2dp_codec_config_t A2dpCodecConfig::getCodecLocalCapability() { |
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std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
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// TODO: We should check whether the codec capability is valid |
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return codec_local_capability_; |
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} |
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btav_a2dp_codec_config_t A2dpCodecConfig::getCodecSelectableCapability() { |
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std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
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// TODO: We should check whether the codec capability is valid |
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return codec_selectable_capability_; |
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} |
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btav_a2dp_codec_config_t A2dpCodecConfig::getCodecUserConfig() { |
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std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
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return codec_user_config_; |
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} |
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btav_a2dp_codec_config_t A2dpCodecConfig::getCodecAudioConfig() { |
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std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
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return codec_audio_config_; |
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} |
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uint8_t A2dpCodecConfig::getAudioBitsPerSample() { |
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std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
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switch (codec_config_.bits_per_sample) { |
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case BTAV_A2DP_CODEC_BITS_PER_SAMPLE_16: |
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return 16; |
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case BTAV_A2DP_CODEC_BITS_PER_SAMPLE_24: |
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return 24; |
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case BTAV_A2DP_CODEC_BITS_PER_SAMPLE_32: |
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return 32; |
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case BTAV_A2DP_CODEC_BITS_PER_SAMPLE_NONE: |
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break; |
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} |
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return 0; |
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} |
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bool A2dpCodecConfig::isCodecConfigEmpty( |
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const btav_a2dp_codec_config_t& codec_config) { |
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return ( |
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(codec_config.codec_priority == BTAV_A2DP_CODEC_PRIORITY_DEFAULT) && |
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(codec_config.sample_rate == BTAV_A2DP_CODEC_SAMPLE_RATE_NONE) && |
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(codec_config.bits_per_sample == BTAV_A2DP_CODEC_BITS_PER_SAMPLE_NONE) && |
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(codec_config.channel_mode == BTAV_A2DP_CODEC_CHANNEL_MODE_NONE) && |
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(codec_config.codec_specific_1 == 0) && |
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(codec_config.codec_specific_2 == 0) && |
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(codec_config.codec_specific_3 == 0) && |
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(codec_config.codec_specific_4 == 0)); |
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} |
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bool A2dpCodecConfig::setCodecUserConfig( |
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const btav_a2dp_codec_config_t& codec_user_config, |
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const btav_a2dp_codec_config_t& codec_audio_config, |
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const tA2DP_ENCODER_INIT_PEER_PARAMS* p_peer_params, |
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const uint8_t* p_peer_codec_info, bool is_capability, |
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uint8_t* p_result_codec_config, bool* p_restart_input, |
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bool* p_restart_output, bool* p_config_updated) { |
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std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
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*p_restart_input = false; |
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*p_restart_output = false; |
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*p_config_updated = false; |
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// Save copies of the current codec config, and the OTA codec config, so they |
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// can be compared for changes. |
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btav_a2dp_codec_config_t saved_codec_config = getCodecConfig(); |
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uint8_t saved_ota_codec_config[AVDT_CODEC_SIZE]; |
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memcpy(saved_ota_codec_config, ota_codec_config_, sizeof(ota_codec_config_)); |
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btav_a2dp_codec_config_t saved_codec_user_config = codec_user_config_; |
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codec_user_config_ = codec_user_config; |
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btav_a2dp_codec_config_t saved_codec_audio_config = codec_audio_config_; |
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codec_audio_config_ = codec_audio_config; |
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bool success = |
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setCodecConfig(p_peer_codec_info, is_capability, p_result_codec_config); |
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if (!success) { |
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// Restore the local copy of the user and audio config |
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codec_user_config_ = saved_codec_user_config; |
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codec_audio_config_ = saved_codec_audio_config; |
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return false; |
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} |
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// |
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// The input (audio data) should be restarted if the audio format has changed |
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// |
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btav_a2dp_codec_config_t new_codec_config = getCodecConfig(); |
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if ((saved_codec_config.sample_rate != new_codec_config.sample_rate) || |
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(saved_codec_config.bits_per_sample != |
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new_codec_config.bits_per_sample) || |
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(saved_codec_config.channel_mode != new_codec_config.channel_mode)) { |
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*p_restart_input = true; |
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} |
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// |
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// The output (the connection) should be restarted if OTA codec config |
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// has changed. |
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// |
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if (!A2DP_CodecEquals(saved_ota_codec_config, p_result_codec_config)) { |
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*p_restart_output = true; |
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} |
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bool encoder_restart_input = *p_restart_input; |
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bool encoder_restart_output = *p_restart_output; |
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bool encoder_config_updated = *p_config_updated; |
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if (updateEncoderUserConfig(p_peer_params, &encoder_restart_input, |
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&encoder_restart_output, |
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&encoder_config_updated)) { |
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if (encoder_restart_input) *p_restart_input = true; |
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if (encoder_restart_output) *p_restart_output = true; |
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if (encoder_config_updated) *p_config_updated = true; |
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} |
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if (*p_restart_input || *p_restart_output) *p_config_updated = true; |
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return true; |
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} |
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bool A2dpCodecConfig::codecConfigIsValid( |
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const btav_a2dp_codec_config_t& codec_config) { |
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return (codec_config.codec_type < BTAV_A2DP_CODEC_INDEX_MAX) && |
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(codec_config.sample_rate != BTAV_A2DP_CODEC_SAMPLE_RATE_NONE) && |
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(codec_config.bits_per_sample != |
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BTAV_A2DP_CODEC_BITS_PER_SAMPLE_NONE) && |
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(codec_config.channel_mode != BTAV_A2DP_CODEC_CHANNEL_MODE_NONE); |
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} |
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std::string A2dpCodecConfig::codecConfig2Str( |
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const btav_a2dp_codec_config_t& codec_config) { |
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std::string result; |
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if (!codecConfigIsValid(codec_config)) return "Invalid"; |
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result.append("Rate="); |
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result.append(codecSampleRate2Str(codec_config.sample_rate)); |
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result.append(" Bits="); |
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result.append(codecBitsPerSample2Str(codec_config.bits_per_sample)); |
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result.append(" Mode="); |
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result.append(codecChannelMode2Str(codec_config.channel_mode)); |
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return result; |
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} |
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std::string A2dpCodecConfig::codecSampleRate2Str( |
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btav_a2dp_codec_sample_rate_t codec_sample_rate) { |
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std::string result; |
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if (codec_sample_rate & BTAV_A2DP_CODEC_SAMPLE_RATE_44100) { |
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if (!result.empty()) result += "|"; |
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result += "44100"; |
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} |
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if (codec_sample_rate & BTAV_A2DP_CODEC_SAMPLE_RATE_48000) { |
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if (!result.empty()) result += "|"; |
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result += "48000"; |
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} |
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if (codec_sample_rate & BTAV_A2DP_CODEC_SAMPLE_RATE_88200) { |
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if (!result.empty()) result += "|"; |
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result += "88200"; |
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} |
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if (codec_sample_rate & BTAV_A2DP_CODEC_SAMPLE_RATE_96000) { |
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if (!result.empty()) result += "|"; |
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result += "96000"; |
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} |
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if (codec_sample_rate & BTAV_A2DP_CODEC_SAMPLE_RATE_176400) { |
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if (!result.empty()) result += "|"; |
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result += "176400"; |
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} |
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if (codec_sample_rate & BTAV_A2DP_CODEC_SAMPLE_RATE_192000) { |
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if (!result.empty()) result += "|"; |
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result += "192000"; |
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} |
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if (result.empty()) { |
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std::stringstream ss; |
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ss << "UnknownSampleRate(0x" << std::hex << codec_sample_rate << ")"; |
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ss >> result; |
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} |
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return result; |
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} |
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std::string A2dpCodecConfig::codecBitsPerSample2Str( |
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btav_a2dp_codec_bits_per_sample_t codec_bits_per_sample) { |
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std::string result; |
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if (codec_bits_per_sample & BTAV_A2DP_CODEC_BITS_PER_SAMPLE_16) { |
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if (!result.empty()) result += "|"; |
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result += "16"; |
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} |
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if (codec_bits_per_sample & BTAV_A2DP_CODEC_BITS_PER_SAMPLE_24) { |
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if (!result.empty()) result += "|"; |
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result += "24"; |
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} |
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if (codec_bits_per_sample & BTAV_A2DP_CODEC_BITS_PER_SAMPLE_32) { |
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if (!result.empty()) result += "|"; |
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result += "32"; |
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} |
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if (result.empty()) { |
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std::stringstream ss; |
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ss << "UnknownBitsPerSample(0x" << std::hex << codec_bits_per_sample << ")"; |
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ss >> result; |
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} |
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return result; |
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} |
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std::string A2dpCodecConfig::codecChannelMode2Str( |
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btav_a2dp_codec_channel_mode_t codec_channel_mode) { |
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std::string result; |
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if (codec_channel_mode & BTAV_A2DP_CODEC_CHANNEL_MODE_MONO) { |
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if (!result.empty()) result += "|"; |
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result += "MONO"; |
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} |
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if (codec_channel_mode & BTAV_A2DP_CODEC_CHANNEL_MODE_STEREO) { |
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if (!result.empty()) result += "|"; |
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result += "STEREO"; |
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} |
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if (result.empty()) { |
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std::stringstream ss; |
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ss << "UnknownChannelMode(0x" << std::hex << codec_channel_mode << ")"; |
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ss >> result; |
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} |
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return result; |
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} |
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void A2dpCodecConfig::debug_codec_dump(int fd) { |
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std::string result; |
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dprintf(fd, "\nA2DP %s State:\n", name().c_str()); |
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dprintf(fd, " Priority: %d\n", codecPriority()); |
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dprintf(fd, " Encoder interval (ms): %" PRIu64 "\n", encoderIntervalMs()); |
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result = codecConfig2Str(getCodecConfig()); |
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dprintf(fd, " Config: %s\n", result.c_str()); |
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result = codecConfig2Str(getCodecSelectableCapability()); |
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dprintf(fd, " Selectable: %s\n", result.c_str()); |
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result = codecConfig2Str(getCodecLocalCapability()); |
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dprintf(fd, " Local capability: %s\n", result.c_str()); |
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} |
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// |
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// Compares two codecs |lhs| and |rhs| based on their priority. |
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// Returns true if |lhs| has higher priority (larger priority value). |
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// If |lhs| and |rhs| have same priority, the unique codec index is used |
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// as a tie-breaker: larger codec index value means higher priority. |
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// |
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static bool compare_codec_priority(const A2dpCodecConfig* lhs, |
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const A2dpCodecConfig* rhs) { |
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if (lhs->codecPriority() > rhs->codecPriority()) return true; |
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if (lhs->codecPriority() < rhs->codecPriority()) return false; |
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return (lhs->codecIndex() > rhs->codecIndex()); |
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} |
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A2dpCodecs::A2dpCodecs( |
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const std::vector<btav_a2dp_codec_config_t>& codec_priorities) |
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: current_codec_config_(nullptr) { |
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for (auto config : codec_priorities) { |
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codec_priorities_.insert( |
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std::make_pair(config.codec_type, config.codec_priority)); |
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} |
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} |
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A2dpCodecs::~A2dpCodecs() { |
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std::unique_lock<std::recursive_mutex> lock(codec_mutex_); |
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for (const auto& iter : indexed_codecs_) { |
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delete iter.second; |
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} |
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for (const auto& iter : disabled_codecs_) { |
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delete iter.second; |
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} |
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lock.unlock(); |
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} |
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|
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bool A2dpCodecs::init() { |
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LOG_DEBUG(LOG_TAG, "%s", __func__); |
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std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
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|
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for (int i = BTAV_A2DP_CODEC_INDEX_MIN; i < BTAV_A2DP_CODEC_INDEX_MAX; i++) { |
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btav_a2dp_codec_index_t codec_index = |
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static_cast<btav_a2dp_codec_index_t>(i); |
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|
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// Select the codec priority if explicitly configured |
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btav_a2dp_codec_priority_t codec_priority = |
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BTAV_A2DP_CODEC_PRIORITY_DEFAULT; |
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auto cp_iter = codec_priorities_.find(codec_index); |
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if (cp_iter != codec_priorities_.end()) { |
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codec_priority = cp_iter->second; |
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} |
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|
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A2dpCodecConfig* codec_config = |
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A2dpCodecConfig::createCodec(codec_index, codec_priority); |
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if (codec_config == nullptr) continue; |
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|
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if (codec_priority != BTAV_A2DP_CODEC_PRIORITY_DEFAULT) { |
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LOG_INFO(LOG_TAG, "%s: updated %s codec priority to %d", __func__, |
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codec_config->name().c_str(), codec_priority); |
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} |
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|
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// Test if the codec is disabled |
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if (codec_config->codecPriority() == BTAV_A2DP_CODEC_PRIORITY_DISABLED) { |
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disabled_codecs_.insert(std::make_pair(codec_index, codec_config)); |
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continue; |
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} |
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|
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indexed_codecs_.insert(std::make_pair(codec_index, codec_config)); |
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|
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if (codec_index < BTAV_A2DP_CODEC_INDEX_SOURCE_MAX) { |
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ordered_source_codecs_.push_back(codec_config); |
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ordered_source_codecs_.sort(compare_codec_priority); |
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} else { |
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ordered_sink_codecs_.push_back(codec_config); |
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ordered_sink_codecs_.sort(compare_codec_priority); |
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} |
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} |
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|
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if (ordered_source_codecs_.empty()) { |
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LOG_ERROR(LOG_TAG, "%s: no Source codecs were initialized", __func__); |
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} else { |
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for (auto iter : ordered_source_codecs_) { |
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LOG_INFO(LOG_TAG, "%s: initialized Source codec %s", __func__, |
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iter->name().c_str()); |
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} |
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} |
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if (ordered_sink_codecs_.empty()) { |
|
LOG_ERROR(LOG_TAG, "%s: no Sink codecs were initialized", __func__); |
|
} else { |
|
for (auto iter : ordered_sink_codecs_) { |
|
LOG_INFO(LOG_TAG, "%s: initialized Sink codec %s", __func__, |
|
iter->name().c_str()); |
|
} |
|
} |
|
|
|
return (!ordered_source_codecs_.empty() && !ordered_sink_codecs_.empty()); |
|
} |
|
|
|
A2dpCodecConfig* A2dpCodecs::findSourceCodecConfig( |
|
const uint8_t* p_codec_info) { |
|
std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
|
btav_a2dp_codec_index_t codec_index = A2DP_SourceCodecIndex(p_codec_info); |
|
if (codec_index == BTAV_A2DP_CODEC_INDEX_MAX) return nullptr; |
|
|
|
auto iter = indexed_codecs_.find(codec_index); |
|
if (iter == indexed_codecs_.end()) return nullptr; |
|
return iter->second; |
|
} |
|
|
|
bool A2dpCodecs::setCodecConfig(const uint8_t* p_peer_codec_info, |
|
bool is_capability, |
|
uint8_t* p_result_codec_config, |
|
bool select_current_codec) { |
|
std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
|
A2dpCodecConfig* a2dp_codec_config = findSourceCodecConfig(p_peer_codec_info); |
|
if (a2dp_codec_config == nullptr) return false; |
|
if (!a2dp_codec_config->setCodecConfig(p_peer_codec_info, is_capability, |
|
p_result_codec_config)) { |
|
return false; |
|
} |
|
if (select_current_codec) { |
|
current_codec_config_ = a2dp_codec_config; |
|
} |
|
return true; |
|
} |
|
|
|
bool A2dpCodecs::setCodecUserConfig( |
|
const btav_a2dp_codec_config_t& codec_user_config, |
|
const tA2DP_ENCODER_INIT_PEER_PARAMS* p_peer_params, |
|
const uint8_t* p_peer_sink_capabilities, uint8_t* p_result_codec_config, |
|
bool* p_restart_input, bool* p_restart_output, bool* p_config_updated) { |
|
std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
|
btav_a2dp_codec_config_t codec_audio_config; |
|
A2dpCodecConfig* a2dp_codec_config = nullptr; |
|
A2dpCodecConfig* last_codec_config = current_codec_config_; |
|
*p_restart_input = false; |
|
*p_restart_output = false; |
|
*p_config_updated = false; |
|
|
|
LOG_DEBUG( |
|
LOG_TAG, |
|
"%s: Configuring: codec_type=%d codec_priority=%d " |
|
"sample_rate=0x%x bits_per_sample=0x%x " |
|
"channel_mode=0x%x codec_specific_1=%" PRIi64 |
|
" " |
|
"codec_specific_2=%" PRIi64 |
|
" " |
|
"codec_specific_3=%" PRIi64 |
|
" " |
|
"codec_specific_4=%" PRIi64, |
|
__func__, codec_user_config.codec_type, codec_user_config.codec_priority, |
|
codec_user_config.sample_rate, codec_user_config.bits_per_sample, |
|
codec_user_config.channel_mode, codec_user_config.codec_specific_1, |
|
codec_user_config.codec_specific_2, codec_user_config.codec_specific_3, |
|
codec_user_config.codec_specific_4); |
|
|
|
if (codec_user_config.codec_type < BTAV_A2DP_CODEC_INDEX_MAX) { |
|
auto iter = indexed_codecs_.find(codec_user_config.codec_type); |
|
if (iter == indexed_codecs_.end()) goto fail; |
|
a2dp_codec_config = iter->second; |
|
} else { |
|
// Update the default codec |
|
a2dp_codec_config = current_codec_config_; |
|
} |
|
if (a2dp_codec_config == nullptr) goto fail; |
|
|
|
// Reuse the existing codec audio config |
|
codec_audio_config = a2dp_codec_config->getCodecAudioConfig(); |
|
if (!a2dp_codec_config->setCodecUserConfig( |
|
codec_user_config, codec_audio_config, p_peer_params, |
|
p_peer_sink_capabilities, true, p_result_codec_config, |
|
p_restart_input, p_restart_output, p_config_updated)) { |
|
goto fail; |
|
} |
|
|
|
// Update the codec priorities, and eventually restart the connection |
|
// if a new codec needs to be selected. |
|
do { |
|
// Update the codec priority |
|
btav_a2dp_codec_priority_t old_priority = |
|
a2dp_codec_config->codecPriority(); |
|
btav_a2dp_codec_priority_t new_priority = codec_user_config.codec_priority; |
|
a2dp_codec_config->setCodecPriority(new_priority); |
|
// Get the actual (recomputed) priority |
|
new_priority = a2dp_codec_config->codecPriority(); |
|
|
|
// Check if there was no previous codec |
|
if (last_codec_config == nullptr) { |
|
current_codec_config_ = a2dp_codec_config; |
|
*p_restart_output = true; |
|
break; |
|
} |
|
|
|
// Check if the priority of the current codec was updated |
|
if (a2dp_codec_config == last_codec_config) { |
|
if (old_priority == new_priority) break; // No change in priority |
|
|
|
*p_config_updated = true; |
|
if (new_priority < old_priority) { |
|
// The priority has become lower - restart the connection to |
|
// select a new codec. |
|
*p_restart_output = true; |
|
} |
|
break; |
|
} |
|
|
|
if (new_priority <= old_priority) { |
|
// No change in priority, or the priority has become lower. |
|
// This wasn't the current codec, so we shouldn't select a new codec. |
|
if (*p_restart_input || *p_restart_output || |
|
(old_priority != new_priority)) { |
|
*p_config_updated = true; |
|
} |
|
*p_restart_input = false; |
|
*p_restart_output = false; |
|
break; |
|
} |
|
|
|
*p_config_updated = true; |
|
if (new_priority >= last_codec_config->codecPriority()) { |
|
// The new priority is higher than the current codec. Restart the |
|
// connection to select a new codec. |
|
current_codec_config_ = a2dp_codec_config; |
|
last_codec_config->setDefaultCodecPriority(); |
|
*p_restart_output = true; |
|
} |
|
} while (false); |
|
ordered_source_codecs_.sort(compare_codec_priority); |
|
|
|
if (*p_restart_input || *p_restart_output) *p_config_updated = true; |
|
|
|
LOG_DEBUG(LOG_TAG, |
|
"%s: Configured: restart_input = %d restart_output = %d " |
|
"config_updated = %d", |
|
__func__, *p_restart_input, *p_restart_output, *p_config_updated); |
|
|
|
return true; |
|
|
|
fail: |
|
current_codec_config_ = last_codec_config; |
|
return false; |
|
} |
|
|
|
bool A2dpCodecs::setCodecAudioConfig( |
|
const btav_a2dp_codec_config_t& codec_audio_config, |
|
const tA2DP_ENCODER_INIT_PEER_PARAMS* p_peer_params, |
|
const uint8_t* p_peer_sink_capabilities, uint8_t* p_result_codec_config, |
|
bool* p_restart_output, bool* p_config_updated) { |
|
std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
|
btav_a2dp_codec_config_t codec_user_config; |
|
A2dpCodecConfig* a2dp_codec_config = current_codec_config_; |
|
*p_restart_output = false; |
|
*p_config_updated = false; |
|
|
|
if (a2dp_codec_config == nullptr) return false; |
|
|
|
// Reuse the existing codec user config |
|
codec_user_config = a2dp_codec_config->getCodecUserConfig(); |
|
bool restart_input = false; // Flag ignored - input was just restarted |
|
if (!a2dp_codec_config->setCodecUserConfig( |
|
codec_user_config, codec_audio_config, p_peer_params, |
|
p_peer_sink_capabilities, true, p_result_codec_config, &restart_input, |
|
p_restart_output, p_config_updated)) { |
|
return false; |
|
} |
|
|
|
return true; |
|
} |
|
|
|
bool A2dpCodecs::setCodecOtaConfig( |
|
const uint8_t* p_ota_codec_config, |
|
const tA2DP_ENCODER_INIT_PEER_PARAMS* p_peer_params, |
|
uint8_t* p_result_codec_config, bool* p_restart_input, |
|
bool* p_restart_output, bool* p_config_updated) { |
|
std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
|
btav_a2dp_codec_index_t codec_type; |
|
btav_a2dp_codec_config_t codec_user_config; |
|
btav_a2dp_codec_config_t codec_audio_config; |
|
A2dpCodecConfig* a2dp_codec_config = nullptr; |
|
A2dpCodecConfig* last_codec_config = current_codec_config_; |
|
*p_restart_input = false; |
|
*p_restart_output = false; |
|
*p_config_updated = false; |
|
|
|
// Check whether the current codec config is explicitly configured by |
|
// user configuration. If yes, then the OTA codec configuration is ignored. |
|
if (current_codec_config_ != nullptr) { |
|
codec_user_config = current_codec_config_->getCodecUserConfig(); |
|
if (!A2dpCodecConfig::isCodecConfigEmpty(codec_user_config)) { |
|
LOG_WARN(LOG_TAG, |
|
"%s: ignoring peer OTA configuration for codec %s: " |
|
"existing user configuration for current codec %s", |
|
__func__, A2DP_CodecName(p_ota_codec_config), |
|
current_codec_config_->name().c_str()); |
|
goto fail; |
|
} |
|
} |
|
|
|
// Check whether the codec config for the same codec is explicitly configured |
|
// by user configuration. If yes, then the OTA codec configuration is |
|
// ignored. |
|
codec_type = A2DP_SourceCodecIndex(p_ota_codec_config); |
|
if (codec_type == BTAV_A2DP_CODEC_INDEX_MAX) { |
|
LOG_WARN(LOG_TAG, |
|
"%s: ignoring peer OTA codec configuration: " |
|
"invalid codec", |
|
__func__); |
|
goto fail; // Invalid codec |
|
} else { |
|
auto iter = indexed_codecs_.find(codec_type); |
|
if (iter == indexed_codecs_.end()) { |
|
LOG_WARN(LOG_TAG, |
|
"%s: cannot find codec configuration for peer OTA codec %s", |
|
__func__, A2DP_CodecName(p_ota_codec_config)); |
|
goto fail; |
|
} |
|
a2dp_codec_config = iter->second; |
|
} |
|
if (a2dp_codec_config == nullptr) goto fail; |
|
codec_user_config = a2dp_codec_config->getCodecUserConfig(); |
|
if (!A2dpCodecConfig::isCodecConfigEmpty(codec_user_config)) { |
|
LOG_WARN(LOG_TAG, |
|
"%s: ignoring peer OTA configuration for codec %s: " |
|
"existing user configuration for same codec", |
|
__func__, A2DP_CodecName(p_ota_codec_config)); |
|
goto fail; |
|
} |
|
current_codec_config_ = a2dp_codec_config; |
|
|
|
// Reuse the existing codec user config and codec audio config |
|
codec_audio_config = a2dp_codec_config->getCodecAudioConfig(); |
|
if (!a2dp_codec_config->setCodecUserConfig( |
|
codec_user_config, codec_audio_config, p_peer_params, |
|
p_ota_codec_config, false, p_result_codec_config, p_restart_input, |
|
p_restart_output, p_config_updated)) { |
|
LOG_WARN(LOG_TAG, |
|
"%s: cannot set codec configuration for peer OTA codec %s", |
|
__func__, A2DP_CodecName(p_ota_codec_config)); |
|
goto fail; |
|
} |
|
CHECK(current_codec_config_ != nullptr); |
|
|
|
if (*p_restart_input || *p_restart_output) *p_config_updated = true; |
|
|
|
return true; |
|
|
|
fail: |
|
current_codec_config_ = last_codec_config; |
|
return false; |
|
} |
|
|
|
bool A2dpCodecs::getCodecConfigAndCapabilities( |
|
btav_a2dp_codec_config_t* p_codec_config, |
|
std::vector<btav_a2dp_codec_config_t>* p_codecs_local_capabilities, |
|
std::vector<btav_a2dp_codec_config_t>* p_codecs_selectable_capabilities) { |
|
std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
|
|
|
if (current_codec_config_ != nullptr) { |
|
*p_codec_config = current_codec_config_->getCodecConfig(); |
|
} else { |
|
btav_a2dp_codec_config_t codec_config; |
|
memset(&codec_config, 0, sizeof(codec_config)); |
|
*p_codec_config = codec_config; |
|
} |
|
|
|
std::vector<btav_a2dp_codec_config_t> codecs_capabilities; |
|
for (auto codec : orderedSourceCodecs()) { |
|
codecs_capabilities.push_back(codec->getCodecLocalCapability()); |
|
} |
|
*p_codecs_local_capabilities = codecs_capabilities; |
|
|
|
codecs_capabilities.clear(); |
|
for (auto codec : orderedSourceCodecs()) { |
|
btav_a2dp_codec_config_t codec_capability = |
|
codec->getCodecSelectableCapability(); |
|
// Don't add entries that cannot be used |
|
if ((codec_capability.sample_rate == BTAV_A2DP_CODEC_SAMPLE_RATE_NONE) || |
|
(codec_capability.bits_per_sample == |
|
BTAV_A2DP_CODEC_BITS_PER_SAMPLE_NONE) || |
|
(codec_capability.channel_mode == BTAV_A2DP_CODEC_CHANNEL_MODE_NONE)) { |
|
continue; |
|
} |
|
codecs_capabilities.push_back(codec_capability); |
|
} |
|
*p_codecs_selectable_capabilities = codecs_capabilities; |
|
|
|
return true; |
|
} |
|
|
|
void A2dpCodecs::debug_codec_dump(int fd) { |
|
std::lock_guard<std::recursive_mutex> lock(codec_mutex_); |
|
dprintf(fd, "\nA2DP Codecs State:\n"); |
|
|
|
// Print the current codec name |
|
if (current_codec_config_ != nullptr) { |
|
dprintf(fd, " Current Codec: %s\n", current_codec_config_->name().c_str()); |
|
} else { |
|
dprintf(fd, " Current Codec: None\n"); |
|
} |
|
|
|
// Print the codec-specific state |
|
for (auto codec_config : ordered_source_codecs_) { |
|
codec_config->debug_codec_dump(fd); |
|
} |
|
} |
|
|
|
tA2DP_CODEC_TYPE A2DP_GetCodecType(const uint8_t* p_codec_info) { |
|
return (tA2DP_CODEC_TYPE)(p_codec_info[AVDT_CODEC_TYPE_INDEX]); |
|
} |
|
|
|
bool A2DP_IsSourceCodecValid(const uint8_t* p_codec_info) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
LOG_VERBOSE(LOG_TAG, "%s: codec_type = 0x%x", __func__, codec_type); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_IsSourceCodecValidSbc(p_codec_info); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_IsSourceCodecValidAac(p_codec_info); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_IsVendorSourceCodecValid(p_codec_info); |
|
default: |
|
break; |
|
} |
|
|
|
return false; |
|
} |
|
|
|
bool A2DP_IsSinkCodecValid(const uint8_t* p_codec_info) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
LOG_VERBOSE(LOG_TAG, "%s: codec_type = 0x%x", __func__, codec_type); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_IsSinkCodecValidSbc(p_codec_info); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_IsSinkCodecValidAac(p_codec_info); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_IsVendorSinkCodecValid(p_codec_info); |
|
default: |
|
break; |
|
} |
|
|
|
return false; |
|
} |
|
|
|
bool A2DP_IsPeerSourceCodecValid(const uint8_t* p_codec_info) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
LOG_VERBOSE(LOG_TAG, "%s: codec_type = 0x%x", __func__, codec_type); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_IsPeerSourceCodecValidSbc(p_codec_info); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_IsPeerSourceCodecValidAac(p_codec_info); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_IsVendorPeerSourceCodecValid(p_codec_info); |
|
default: |
|
break; |
|
} |
|
|
|
return false; |
|
} |
|
|
|
bool A2DP_IsPeerSinkCodecValid(const uint8_t* p_codec_info) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
LOG_VERBOSE(LOG_TAG, "%s: codec_type = 0x%x", __func__, codec_type); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_IsPeerSinkCodecValidSbc(p_codec_info); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_IsPeerSinkCodecValidAac(p_codec_info); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_IsVendorPeerSinkCodecValid(p_codec_info); |
|
default: |
|
break; |
|
} |
|
|
|
return false; |
|
} |
|
|
|
bool A2DP_IsSinkCodecSupported(const uint8_t* p_codec_info) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
LOG_VERBOSE(LOG_TAG, "%s: codec_type = 0x%x", __func__, codec_type); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_IsSinkCodecSupportedSbc(p_codec_info); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_IsSinkCodecSupportedAac(p_codec_info); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_IsVendorSinkCodecSupported(p_codec_info); |
|
default: |
|
break; |
|
} |
|
|
|
LOG_ERROR(LOG_TAG, "%s: unsupported codec type 0x%x", __func__, codec_type); |
|
return false; |
|
} |
|
|
|
bool A2DP_IsPeerSourceCodecSupported(const uint8_t* p_codec_info) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
LOG_VERBOSE(LOG_TAG, "%s: codec_type = 0x%x", __func__, codec_type); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_IsPeerSourceCodecSupportedSbc(p_codec_info); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_IsPeerSourceCodecSupportedAac(p_codec_info); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_IsVendorPeerSourceCodecSupported(p_codec_info); |
|
default: |
|
break; |
|
} |
|
|
|
LOG_ERROR(LOG_TAG, "%s: unsupported codec type 0x%x", __func__, codec_type); |
|
return false; |
|
} |
|
|
|
void A2DP_InitDefaultCodec(uint8_t* p_codec_info) { |
|
A2DP_InitDefaultCodecSbc(p_codec_info); |
|
} |
|
|
|
tA2DP_STATUS A2DP_BuildSrc2SinkConfig(const uint8_t* p_src_cap, |
|
uint8_t* p_pref_cfg) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_src_cap); |
|
|
|
LOG_VERBOSE(LOG_TAG, "%s: codec_type = 0x%x", __func__, codec_type); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_BuildSrc2SinkConfigSbc(p_src_cap, p_pref_cfg); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_BuildSrc2SinkConfigAac(p_src_cap, p_pref_cfg); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_VendorBuildSrc2SinkConfig(p_src_cap, p_pref_cfg); |
|
default: |
|
break; |
|
} |
|
|
|
LOG_ERROR(LOG_TAG, "%s: unsupported codec type 0x%x", __func__, codec_type); |
|
return A2DP_NS_CODEC_TYPE; |
|
} |
|
|
|
bool A2DP_UsesRtpHeader(bool content_protection_enabled, |
|
const uint8_t* p_codec_info) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
if (codec_type != A2DP_MEDIA_CT_NON_A2DP) return true; |
|
|
|
return A2DP_VendorUsesRtpHeader(content_protection_enabled, p_codec_info); |
|
} |
|
|
|
uint8_t A2DP_GetMediaType(const uint8_t* p_codec_info) { |
|
uint8_t media_type = (p_codec_info[A2DP_MEDIA_TYPE_OFFSET] >> 4) & 0x0f; |
|
return media_type; |
|
} |
|
|
|
const char* A2DP_CodecName(const uint8_t* p_codec_info) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
LOG_VERBOSE(LOG_TAG, "%s: codec_type = 0x%x", __func__, codec_type); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_CodecNameSbc(p_codec_info); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_CodecNameAac(p_codec_info); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_VendorCodecName(p_codec_info); |
|
default: |
|
break; |
|
} |
|
|
|
LOG_ERROR(LOG_TAG, "%s: unsupported codec type 0x%x", __func__, codec_type); |
|
return "UNKNOWN CODEC"; |
|
} |
|
|
|
bool A2DP_CodecTypeEquals(const uint8_t* p_codec_info_a, |
|
const uint8_t* p_codec_info_b) { |
|
tA2DP_CODEC_TYPE codec_type_a = A2DP_GetCodecType(p_codec_info_a); |
|
tA2DP_CODEC_TYPE codec_type_b = A2DP_GetCodecType(p_codec_info_b); |
|
|
|
if (codec_type_a != codec_type_b) return false; |
|
|
|
switch (codec_type_a) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_CodecTypeEqualsSbc(p_codec_info_a, p_codec_info_b); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_CodecTypeEqualsAac(p_codec_info_a, p_codec_info_b); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_VendorCodecTypeEquals(p_codec_info_a, p_codec_info_b); |
|
default: |
|
break; |
|
} |
|
|
|
LOG_ERROR(LOG_TAG, "%s: unsupported codec type 0x%x", __func__, codec_type_a); |
|
return false; |
|
} |
|
|
|
bool A2DP_CodecEquals(const uint8_t* p_codec_info_a, |
|
const uint8_t* p_codec_info_b) { |
|
tA2DP_CODEC_TYPE codec_type_a = A2DP_GetCodecType(p_codec_info_a); |
|
tA2DP_CODEC_TYPE codec_type_b = A2DP_GetCodecType(p_codec_info_b); |
|
|
|
if (codec_type_a != codec_type_b) return false; |
|
|
|
switch (codec_type_a) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_CodecEqualsSbc(p_codec_info_a, p_codec_info_b); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_CodecEqualsAac(p_codec_info_a, p_codec_info_b); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_VendorCodecEquals(p_codec_info_a, p_codec_info_b); |
|
default: |
|
break; |
|
} |
|
|
|
LOG_ERROR(LOG_TAG, "%s: unsupported codec type 0x%x", __func__, codec_type_a); |
|
return false; |
|
} |
|
|
|
int A2DP_GetTrackSampleRate(const uint8_t* p_codec_info) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
LOG_VERBOSE(LOG_TAG, "%s: codec_type = 0x%x", __func__, codec_type); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_GetTrackSampleRateSbc(p_codec_info); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_GetTrackSampleRateAac(p_codec_info); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_VendorGetTrackSampleRate(p_codec_info); |
|
default: |
|
break; |
|
} |
|
|
|
LOG_ERROR(LOG_TAG, "%s: unsupported codec type 0x%x", __func__, codec_type); |
|
return -1; |
|
} |
|
|
|
int A2DP_GetTrackChannelCount(const uint8_t* p_codec_info) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
LOG_VERBOSE(LOG_TAG, "%s: codec_type = 0x%x", __func__, codec_type); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_GetTrackChannelCountSbc(p_codec_info); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_GetTrackChannelCountAac(p_codec_info); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_VendorGetTrackChannelCount(p_codec_info); |
|
default: |
|
break; |
|
} |
|
|
|
LOG_ERROR(LOG_TAG, "%s: unsupported codec type 0x%x", __func__, codec_type); |
|
return -1; |
|
} |
|
|
|
int A2DP_GetSinkTrackChannelType(const uint8_t* p_codec_info) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
LOG_VERBOSE(LOG_TAG, "%s: codec_type = 0x%x", __func__, codec_type); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_GetSinkTrackChannelTypeSbc(p_codec_info); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_GetSinkTrackChannelTypeAac(p_codec_info); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_VendorGetSinkTrackChannelType(p_codec_info); |
|
default: |
|
break; |
|
} |
|
|
|
LOG_ERROR(LOG_TAG, "%s: unsupported codec type 0x%x", __func__, codec_type); |
|
return -1; |
|
} |
|
|
|
int A2DP_GetSinkFramesCountToProcess(uint64_t time_interval_ms, |
|
const uint8_t* p_codec_info) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
LOG_VERBOSE(LOG_TAG, "%s: codec_type = 0x%x", __func__, codec_type); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_GetSinkFramesCountToProcessSbc(time_interval_ms, |
|
p_codec_info); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_GetSinkFramesCountToProcessAac(time_interval_ms, |
|
p_codec_info); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_VendorGetSinkFramesCountToProcess(time_interval_ms, |
|
p_codec_info); |
|
default: |
|
break; |
|
} |
|
|
|
LOG_ERROR(LOG_TAG, "%s: unsupported codec type 0x%x", __func__, codec_type); |
|
return -1; |
|
} |
|
|
|
bool A2DP_GetPacketTimestamp(const uint8_t* p_codec_info, const uint8_t* p_data, |
|
uint32_t* p_timestamp) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_GetPacketTimestampSbc(p_codec_info, p_data, p_timestamp); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_GetPacketTimestampAac(p_codec_info, p_data, p_timestamp); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_VendorGetPacketTimestamp(p_codec_info, p_data, p_timestamp); |
|
default: |
|
break; |
|
} |
|
|
|
LOG_ERROR(LOG_TAG, "%s: unsupported codec type 0x%x", __func__, codec_type); |
|
return false; |
|
} |
|
|
|
bool A2DP_BuildCodecHeader(const uint8_t* p_codec_info, BT_HDR* p_buf, |
|
uint16_t frames_per_packet) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_BuildCodecHeaderSbc(p_codec_info, p_buf, frames_per_packet); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_BuildCodecHeaderAac(p_codec_info, p_buf, frames_per_packet); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_VendorBuildCodecHeader(p_codec_info, p_buf, |
|
frames_per_packet); |
|
default: |
|
break; |
|
} |
|
|
|
LOG_ERROR(LOG_TAG, "%s: unsupported codec type 0x%x", __func__, codec_type); |
|
return false; |
|
} |
|
|
|
const tA2DP_ENCODER_INTERFACE* A2DP_GetEncoderInterface( |
|
const uint8_t* p_codec_info) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
LOG_VERBOSE(LOG_TAG, "%s: codec_type = 0x%x", __func__, codec_type); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_GetEncoderInterfaceSbc(p_codec_info); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_GetEncoderInterfaceAac(p_codec_info); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_VendorGetEncoderInterface(p_codec_info); |
|
default: |
|
break; |
|
} |
|
|
|
LOG_ERROR(LOG_TAG, "%s: unsupported codec type 0x%x", __func__, codec_type); |
|
return NULL; |
|
} |
|
|
|
bool A2DP_AdjustCodec(uint8_t* p_codec_info) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_AdjustCodecSbc(p_codec_info); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_AdjustCodecAac(p_codec_info); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_VendorAdjustCodec(p_codec_info); |
|
default: |
|
break; |
|
} |
|
|
|
LOG_ERROR(LOG_TAG, "%s: unsupported codec type 0x%x", __func__, codec_type); |
|
return false; |
|
} |
|
|
|
btav_a2dp_codec_index_t A2DP_SourceCodecIndex(const uint8_t* p_codec_info) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
LOG_VERBOSE(LOG_TAG, "%s: codec_type = 0x%x", __func__, codec_type); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_SourceCodecIndexSbc(p_codec_info); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_SourceCodecIndexAac(p_codec_info); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_VendorSourceCodecIndex(p_codec_info); |
|
default: |
|
break; |
|
} |
|
|
|
LOG_ERROR(LOG_TAG, "%s: unsupported codec type 0x%x", __func__, codec_type); |
|
return BTAV_A2DP_CODEC_INDEX_MAX; |
|
} |
|
|
|
const char* A2DP_CodecIndexStr(btav_a2dp_codec_index_t codec_index) { |
|
switch (codec_index) { |
|
case BTAV_A2DP_CODEC_INDEX_SOURCE_SBC: |
|
return A2DP_CodecIndexStrSbc(); |
|
case BTAV_A2DP_CODEC_INDEX_SINK_SBC: |
|
return A2DP_CodecIndexStrSbcSink(); |
|
case BTAV_A2DP_CODEC_INDEX_SOURCE_AAC: |
|
return A2DP_CodecIndexStrAac(); |
|
default: |
|
break; |
|
} |
|
|
|
if (codec_index < BTAV_A2DP_CODEC_INDEX_MAX) |
|
return A2DP_VendorCodecIndexStr(codec_index); |
|
|
|
return "UNKNOWN CODEC INDEX"; |
|
} |
|
|
|
bool A2DP_InitCodecConfig(btav_a2dp_codec_index_t codec_index, |
|
tAVDT_CFG* p_cfg) { |
|
LOG_VERBOSE(LOG_TAG, "%s: codec %s", __func__, |
|
A2DP_CodecIndexStr(codec_index)); |
|
|
|
/* Default: no content protection info */ |
|
p_cfg->num_protect = 0; |
|
p_cfg->protect_info[0] = 0; |
|
|
|
switch (codec_index) { |
|
case BTAV_A2DP_CODEC_INDEX_SOURCE_SBC: |
|
return A2DP_InitCodecConfigSbc(p_cfg); |
|
case BTAV_A2DP_CODEC_INDEX_SINK_SBC: |
|
return A2DP_InitCodecConfigSbcSink(p_cfg); |
|
case BTAV_A2DP_CODEC_INDEX_SOURCE_AAC: |
|
return A2DP_InitCodecConfigAac(p_cfg); |
|
default: |
|
break; |
|
} |
|
|
|
if (codec_index < BTAV_A2DP_CODEC_INDEX_MAX) |
|
return A2DP_VendorInitCodecConfig(codec_index, p_cfg); |
|
|
|
return false; |
|
} |
|
|
|
bool A2DP_DumpCodecInfo(const uint8_t* p_codec_info) { |
|
tA2DP_CODEC_TYPE codec_type = A2DP_GetCodecType(p_codec_info); |
|
|
|
LOG_VERBOSE(LOG_TAG, "%s: codec_type = 0x%x", __func__, codec_type); |
|
|
|
switch (codec_type) { |
|
case A2DP_MEDIA_CT_SBC: |
|
return A2DP_DumpCodecInfoSbc(p_codec_info); |
|
case A2DP_MEDIA_CT_AAC: |
|
return A2DP_DumpCodecInfoAac(p_codec_info); |
|
case A2DP_MEDIA_CT_NON_A2DP: |
|
return A2DP_VendorDumpCodecInfo(p_codec_info); |
|
default: |
|
break; |
|
} |
|
|
|
LOG_ERROR(LOG_TAG, "%s: unsupported codec type 0x%x", __func__, codec_type); |
|
return false; |
|
}
|
|
|