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718 lines
24 KiB
718 lines
24 KiB
/*
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* Copyright (C) 2011 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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#define LOG_TAG "legacy_audio_hw_hal"
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//#define LOG_NDEBUG 0
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#include <stdint.h>
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#include <hardware/hardware.h>
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#include <system/audio.h>
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#include <hardware/audio.h>
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#include <hardware_legacy/AudioHardwareInterface.h>
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#include <hardware_legacy/AudioSystemLegacy.h>
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namespace android_audio_legacy {
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class AudioHardwareInterface;
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extern "C" {
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struct legacy_audio_module {
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struct audio_module module;
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};
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struct legacy_audio_device {
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struct audio_hw_device device;
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AudioHardwareInterface *hwif;
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};
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struct legacy_stream_out {
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struct audio_stream_out stream;
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AudioStreamOut *legacy_out;
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};
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struct legacy_stream_in {
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struct audio_stream_in stream;
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AudioStreamIn *legacy_in;
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};
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enum {
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HAL_API_REV_1_0,
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HAL_API_REV_2_0,
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HAL_API_REV_NUM
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} hal_api_rev;
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static uint32_t audio_device_conv_table[][HAL_API_REV_NUM] =
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{
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/* output devices */
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{ AudioSystem::DEVICE_OUT_EARPIECE, AUDIO_DEVICE_OUT_EARPIECE },
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{ AudioSystem::DEVICE_OUT_SPEAKER, AUDIO_DEVICE_OUT_SPEAKER },
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{ AudioSystem::DEVICE_OUT_WIRED_HEADSET, AUDIO_DEVICE_OUT_WIRED_HEADSET },
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{ AudioSystem::DEVICE_OUT_WIRED_HEADPHONE, AUDIO_DEVICE_OUT_WIRED_HEADPHONE },
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{ AudioSystem::DEVICE_OUT_BLUETOOTH_SCO, AUDIO_DEVICE_OUT_BLUETOOTH_SCO },
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{ AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_HEADSET, AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET },
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{ AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_CARKIT, AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT },
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{ AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP, AUDIO_DEVICE_OUT_BLUETOOTH_A2DP },
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{ AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES, AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES },
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{ AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER, AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER },
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{ AudioSystem::DEVICE_OUT_AUX_DIGITAL, AUDIO_DEVICE_OUT_AUX_DIGITAL },
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{ AudioSystem::DEVICE_OUT_ANLG_DOCK_HEADSET, AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET },
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{ AudioSystem::DEVICE_OUT_DGTL_DOCK_HEADSET, AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET },
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{ AudioSystem::DEVICE_OUT_DEFAULT, AUDIO_DEVICE_OUT_DEFAULT },
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/* input devices */
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{ AudioSystem::DEVICE_IN_COMMUNICATION, AUDIO_DEVICE_IN_COMMUNICATION },
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{ AudioSystem::DEVICE_IN_AMBIENT, AUDIO_DEVICE_IN_AMBIENT },
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{ AudioSystem::DEVICE_IN_BUILTIN_MIC, AUDIO_DEVICE_IN_BUILTIN_MIC },
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{ AudioSystem::DEVICE_IN_BLUETOOTH_SCO_HEADSET, AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET },
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{ AudioSystem::DEVICE_IN_WIRED_HEADSET, AUDIO_DEVICE_IN_WIRED_HEADSET },
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{ AudioSystem::DEVICE_IN_AUX_DIGITAL, AUDIO_DEVICE_IN_AUX_DIGITAL },
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{ AudioSystem::DEVICE_IN_VOICE_CALL, AUDIO_DEVICE_IN_VOICE_CALL },
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{ AudioSystem::DEVICE_IN_BACK_MIC, AUDIO_DEVICE_IN_BACK_MIC },
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{ AudioSystem::DEVICE_IN_DEFAULT, AUDIO_DEVICE_IN_DEFAULT },
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};
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static audio_devices_t convert_audio_device(uint32_t from_device, int from_rev, int to_rev)
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{
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const uint32_t k_num_devices = sizeof(audio_device_conv_table)/sizeof(uint32_t)/HAL_API_REV_NUM;
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audio_devices_t to_device = AUDIO_DEVICE_NONE;
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uint32_t in_bit = 0;
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if (from_rev != HAL_API_REV_1_0) {
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in_bit = from_device & AUDIO_DEVICE_BIT_IN;
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from_device &= ~AUDIO_DEVICE_BIT_IN;
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}
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while (from_device) {
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uint32_t i = 31 - __builtin_clz(from_device);
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uint32_t cur_device = (1 << i) | in_bit;
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for (i = 0; i < k_num_devices; i++) {
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if (audio_device_conv_table[i][from_rev] == cur_device) {
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to_device = (audio_devices_t)(to_device | audio_device_conv_table[i][to_rev]);
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break;
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}
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}
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from_device &= ~cur_device;
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}
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return to_device;
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}
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/** audio_stream_out implementation **/
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static uint32_t out_get_sample_rate(const struct audio_stream *stream)
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{
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const struct legacy_stream_out *out =
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reinterpret_cast<const struct legacy_stream_out *>(stream);
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return out->legacy_out->sampleRate();
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}
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static int out_set_sample_rate(struct audio_stream *stream, uint32_t rate)
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{
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struct legacy_stream_out *out =
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reinterpret_cast<struct legacy_stream_out *>(stream);
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ALOGE("(%s:%d) %s: Implement me!", __FILE__, __LINE__, __func__);
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/* TODO: implement this */
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return 0;
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}
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static size_t out_get_buffer_size(const struct audio_stream *stream)
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{
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const struct legacy_stream_out *out =
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reinterpret_cast<const struct legacy_stream_out *>(stream);
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return out->legacy_out->bufferSize();
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}
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static audio_channel_mask_t out_get_channels(const struct audio_stream *stream)
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{
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const struct legacy_stream_out *out =
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reinterpret_cast<const struct legacy_stream_out *>(stream);
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return (audio_channel_mask_t) out->legacy_out->channels();
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}
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static audio_format_t out_get_format(const struct audio_stream *stream)
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{
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const struct legacy_stream_out *out =
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reinterpret_cast<const struct legacy_stream_out *>(stream);
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// legacy API, don't change return type
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return (audio_format_t) out->legacy_out->format();
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}
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static int out_set_format(struct audio_stream *stream, audio_format_t format)
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{
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struct legacy_stream_out *out =
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reinterpret_cast<struct legacy_stream_out *>(stream);
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ALOGE("(%s:%d) %s: Implement me!", __FILE__, __LINE__, __func__);
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/* TODO: implement me */
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return 0;
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}
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static int out_standby(struct audio_stream *stream)
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{
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struct legacy_stream_out *out =
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reinterpret_cast<struct legacy_stream_out *>(stream);
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return out->legacy_out->standby();
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}
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static int out_dump(const struct audio_stream *stream, int fd)
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{
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const struct legacy_stream_out *out =
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reinterpret_cast<const struct legacy_stream_out *>(stream);
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Vector<String16> args;
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return out->legacy_out->dump(fd, args);
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}
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static int out_set_parameters(struct audio_stream *stream, const char *kvpairs)
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{
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struct legacy_stream_out *out =
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reinterpret_cast<struct legacy_stream_out *>(stream);
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int val;
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String8 s8 = String8(kvpairs);
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AudioParameter parms = AudioParameter(String8(kvpairs));
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if (parms.getInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val) == NO_ERROR) {
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val = convert_audio_device(val, HAL_API_REV_2_0, HAL_API_REV_1_0);
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parms.remove(String8(AUDIO_PARAMETER_STREAM_ROUTING));
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parms.addInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val);
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s8 = parms.toString();
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}
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return out->legacy_out->setParameters(s8);
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}
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static char * out_get_parameters(const struct audio_stream *stream, const char *keys)
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{
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const struct legacy_stream_out *out =
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reinterpret_cast<const struct legacy_stream_out *>(stream);
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String8 s8;
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int val;
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s8 = out->legacy_out->getParameters(String8(keys));
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AudioParameter parms = AudioParameter(s8);
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if (parms.getInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val) == NO_ERROR) {
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val = convert_audio_device(val, HAL_API_REV_1_0, HAL_API_REV_2_0);
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parms.remove(String8(AUDIO_PARAMETER_STREAM_ROUTING));
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parms.addInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val);
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s8 = parms.toString();
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}
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return strdup(s8.string());
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}
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static uint32_t out_get_latency(const struct audio_stream_out *stream)
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{
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const struct legacy_stream_out *out =
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reinterpret_cast<const struct legacy_stream_out *>(stream);
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return out->legacy_out->latency();
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}
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static int out_set_volume(struct audio_stream_out *stream, float left,
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float right)
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{
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struct legacy_stream_out *out =
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reinterpret_cast<struct legacy_stream_out *>(stream);
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return out->legacy_out->setVolume(left, right);
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}
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static ssize_t out_write(struct audio_stream_out *stream, const void* buffer,
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size_t bytes)
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{
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struct legacy_stream_out *out =
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reinterpret_cast<struct legacy_stream_out *>(stream);
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return out->legacy_out->write(buffer, bytes);
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}
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static int out_get_render_position(const struct audio_stream_out *stream,
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uint32_t *dsp_frames)
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{
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const struct legacy_stream_out *out =
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reinterpret_cast<const struct legacy_stream_out *>(stream);
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return out->legacy_out->getRenderPosition(dsp_frames);
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}
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static int out_get_next_write_timestamp(const struct audio_stream_out *stream,
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int64_t *timestamp)
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{
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const struct legacy_stream_out *out =
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reinterpret_cast<const struct legacy_stream_out *>(stream);
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return out->legacy_out->getNextWriteTimestamp(timestamp);
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}
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static int out_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
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{
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return 0;
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}
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static int out_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
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{
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return 0;
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}
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/** audio_stream_in implementation **/
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static uint32_t in_get_sample_rate(const struct audio_stream *stream)
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{
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const struct legacy_stream_in *in =
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reinterpret_cast<const struct legacy_stream_in *>(stream);
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return in->legacy_in->sampleRate();
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}
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static int in_set_sample_rate(struct audio_stream *stream, uint32_t rate)
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{
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struct legacy_stream_in *in =
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reinterpret_cast<struct legacy_stream_in *>(stream);
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ALOGE("(%s:%d) %s: Implement me!", __FILE__, __LINE__, __func__);
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/* TODO: implement this */
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return 0;
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}
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static size_t in_get_buffer_size(const struct audio_stream *stream)
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{
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const struct legacy_stream_in *in =
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reinterpret_cast<const struct legacy_stream_in *>(stream);
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return in->legacy_in->bufferSize();
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}
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static audio_channel_mask_t in_get_channels(const struct audio_stream *stream)
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{
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const struct legacy_stream_in *in =
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reinterpret_cast<const struct legacy_stream_in *>(stream);
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return (audio_channel_mask_t) in->legacy_in->channels();
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}
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static audio_format_t in_get_format(const struct audio_stream *stream)
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{
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const struct legacy_stream_in *in =
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reinterpret_cast<const struct legacy_stream_in *>(stream);
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// legacy API, don't change return type
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return (audio_format_t) in->legacy_in->format();
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}
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static int in_set_format(struct audio_stream *stream, audio_format_t format)
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{
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struct legacy_stream_in *in =
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reinterpret_cast<struct legacy_stream_in *>(stream);
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ALOGE("(%s:%d) %s: Implement me!", __FILE__, __LINE__, __func__);
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/* TODO: implement me */
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return 0;
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}
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static int in_standby(struct audio_stream *stream)
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{
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struct legacy_stream_in *in = reinterpret_cast<struct legacy_stream_in *>(stream);
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return in->legacy_in->standby();
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}
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static int in_dump(const struct audio_stream *stream, int fd)
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{
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const struct legacy_stream_in *in =
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reinterpret_cast<const struct legacy_stream_in *>(stream);
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Vector<String16> args;
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return in->legacy_in->dump(fd, args);
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}
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static int in_set_parameters(struct audio_stream *stream, const char *kvpairs)
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{
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struct legacy_stream_in *in =
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reinterpret_cast<struct legacy_stream_in *>(stream);
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int val;
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AudioParameter parms = AudioParameter(String8(kvpairs));
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String8 s8 = String8(kvpairs);
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if (parms.getInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val) == NO_ERROR) {
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val = convert_audio_device(val, HAL_API_REV_2_0, HAL_API_REV_1_0);
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parms.remove(String8(AUDIO_PARAMETER_STREAM_ROUTING));
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parms.addInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val);
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s8 = parms.toString();
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}
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return in->legacy_in->setParameters(s8);
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}
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static char * in_get_parameters(const struct audio_stream *stream,
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const char *keys)
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{
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const struct legacy_stream_in *in =
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reinterpret_cast<const struct legacy_stream_in *>(stream);
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String8 s8;
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int val;
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s8 = in->legacy_in->getParameters(String8(keys));
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AudioParameter parms = AudioParameter(s8);
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if (parms.getInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val) == NO_ERROR) {
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val = convert_audio_device(val, HAL_API_REV_1_0, HAL_API_REV_2_0);
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parms.remove(String8(AUDIO_PARAMETER_STREAM_ROUTING));
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parms.addInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val);
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s8 = parms.toString();
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}
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return strdup(s8.string());
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}
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static int in_set_gain(struct audio_stream_in *stream, float gain)
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{
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struct legacy_stream_in *in =
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reinterpret_cast<struct legacy_stream_in *>(stream);
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return in->legacy_in->setGain(gain);
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}
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static ssize_t in_read(struct audio_stream_in *stream, void* buffer,
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size_t bytes)
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{
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struct legacy_stream_in *in =
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reinterpret_cast<struct legacy_stream_in *>(stream);
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return in->legacy_in->read(buffer, bytes);
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}
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static uint32_t in_get_input_frames_lost(struct audio_stream_in *stream)
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{
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struct legacy_stream_in *in =
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reinterpret_cast<struct legacy_stream_in *>(stream);
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return in->legacy_in->getInputFramesLost();
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}
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static int in_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
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{
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const struct legacy_stream_in *in =
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reinterpret_cast<const struct legacy_stream_in *>(stream);
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return in->legacy_in->addAudioEffect(effect);
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}
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static int in_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
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{
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const struct legacy_stream_in *in =
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reinterpret_cast<const struct legacy_stream_in *>(stream);
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return in->legacy_in->removeAudioEffect(effect);
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}
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/** audio_hw_device implementation **/
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static inline struct legacy_audio_device * to_ladev(struct audio_hw_device *dev)
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{
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return reinterpret_cast<struct legacy_audio_device *>(dev);
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}
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static inline const struct legacy_audio_device * to_cladev(const struct audio_hw_device *dev)
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{
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return reinterpret_cast<const struct legacy_audio_device *>(dev);
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}
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static int adev_init_check(const struct audio_hw_device *dev)
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{
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const struct legacy_audio_device *ladev = to_cladev(dev);
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return ladev->hwif->initCheck();
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}
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static int adev_set_voice_volume(struct audio_hw_device *dev, float volume)
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{
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struct legacy_audio_device *ladev = to_ladev(dev);
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return ladev->hwif->setVoiceVolume(volume);
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}
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static int adev_set_master_volume(struct audio_hw_device *dev, float volume)
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{
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struct legacy_audio_device *ladev = to_ladev(dev);
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return ladev->hwif->setMasterVolume(volume);
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}
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static int adev_get_master_volume(struct audio_hw_device *dev, float* volume)
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{
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struct legacy_audio_device *ladev = to_ladev(dev);
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return ladev->hwif->getMasterVolume(volume);
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}
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static int adev_set_mode(struct audio_hw_device *dev, audio_mode_t mode)
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{
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struct legacy_audio_device *ladev = to_ladev(dev);
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// as this is the legacy API, don't change it to use audio_mode_t instead of int
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return ladev->hwif->setMode((int) mode);
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}
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static int adev_set_mic_mute(struct audio_hw_device *dev, bool state)
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{
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struct legacy_audio_device *ladev = to_ladev(dev);
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return ladev->hwif->setMicMute(state);
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}
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static int adev_get_mic_mute(const struct audio_hw_device *dev, bool *state)
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{
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const struct legacy_audio_device *ladev = to_cladev(dev);
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return ladev->hwif->getMicMute(state);
|
|
}
|
|
|
|
static int adev_set_parameters(struct audio_hw_device *dev, const char *kvpairs)
|
|
{
|
|
struct legacy_audio_device *ladev = to_ladev(dev);
|
|
return ladev->hwif->setParameters(String8(kvpairs));
|
|
}
|
|
|
|
static char * adev_get_parameters(const struct audio_hw_device *dev,
|
|
const char *keys)
|
|
{
|
|
const struct legacy_audio_device *ladev = to_cladev(dev);
|
|
String8 s8;
|
|
|
|
s8 = ladev->hwif->getParameters(String8(keys));
|
|
return strdup(s8.string());
|
|
}
|
|
|
|
static size_t adev_get_input_buffer_size(const struct audio_hw_device *dev,
|
|
const struct audio_config *config)
|
|
{
|
|
const struct legacy_audio_device *ladev = to_cladev(dev);
|
|
return ladev->hwif->getInputBufferSize(config->sample_rate, (int) config->format,
|
|
audio_channel_count_from_in_mask(config->channel_mask));
|
|
}
|
|
|
|
static int adev_open_output_stream(struct audio_hw_device *dev,
|
|
audio_io_handle_t handle,
|
|
audio_devices_t devices,
|
|
audio_output_flags_t flags,
|
|
struct audio_config *config,
|
|
struct audio_stream_out **stream_out,
|
|
const char *address __unused)
|
|
{
|
|
struct legacy_audio_device *ladev = to_ladev(dev);
|
|
status_t status;
|
|
struct legacy_stream_out *out;
|
|
int ret;
|
|
|
|
out = (struct legacy_stream_out *)calloc(1, sizeof(*out));
|
|
if (!out)
|
|
return -ENOMEM;
|
|
|
|
devices = convert_audio_device(devices, HAL_API_REV_2_0, HAL_API_REV_1_0);
|
|
|
|
uint32_t raw_channel_mask = config->channel_mask;
|
|
out->legacy_out = ladev->hwif->openOutputStreamWithFlags(devices, flags,
|
|
(int *) &config->format,
|
|
&raw_channel_mask,
|
|
&config->sample_rate, &status);
|
|
if (!out->legacy_out) {
|
|
ret = status;
|
|
goto err_open;
|
|
}
|
|
config->channel_mask = (audio_channel_mask_t)raw_channel_mask;
|
|
|
|
out->stream.common.get_sample_rate = out_get_sample_rate;
|
|
out->stream.common.set_sample_rate = out_set_sample_rate;
|
|
out->stream.common.get_buffer_size = out_get_buffer_size;
|
|
out->stream.common.get_channels = out_get_channels;
|
|
out->stream.common.get_format = out_get_format;
|
|
out->stream.common.set_format = out_set_format;
|
|
out->stream.common.standby = out_standby;
|
|
out->stream.common.dump = out_dump;
|
|
out->stream.common.set_parameters = out_set_parameters;
|
|
out->stream.common.get_parameters = out_get_parameters;
|
|
out->stream.common.add_audio_effect = out_add_audio_effect;
|
|
out->stream.common.remove_audio_effect = out_remove_audio_effect;
|
|
out->stream.get_latency = out_get_latency;
|
|
out->stream.set_volume = out_set_volume;
|
|
out->stream.write = out_write;
|
|
out->stream.get_render_position = out_get_render_position;
|
|
out->stream.get_next_write_timestamp = out_get_next_write_timestamp;
|
|
|
|
*stream_out = &out->stream;
|
|
return 0;
|
|
|
|
err_open:
|
|
free(out);
|
|
*stream_out = NULL;
|
|
return ret;
|
|
}
|
|
|
|
static void adev_close_output_stream(struct audio_hw_device *dev,
|
|
struct audio_stream_out* stream)
|
|
{
|
|
struct legacy_audio_device *ladev = to_ladev(dev);
|
|
struct legacy_stream_out *out = reinterpret_cast<struct legacy_stream_out *>(stream);
|
|
|
|
ladev->hwif->closeOutputStream(out->legacy_out);
|
|
free(out);
|
|
}
|
|
|
|
/** This method creates and opens the audio hardware input stream */
|
|
static int adev_open_input_stream(struct audio_hw_device *dev,
|
|
audio_io_handle_t handle,
|
|
audio_devices_t devices,
|
|
struct audio_config *config,
|
|
struct audio_stream_in **stream_in,
|
|
audio_input_flags_t flags __unused,
|
|
const char *address __unused,
|
|
audio_source_t source __unused)
|
|
{
|
|
struct legacy_audio_device *ladev = to_ladev(dev);
|
|
status_t status;
|
|
struct legacy_stream_in *in;
|
|
int ret;
|
|
|
|
in = (struct legacy_stream_in *)calloc(1, sizeof(*in));
|
|
if (!in)
|
|
return -ENOMEM;
|
|
|
|
devices = convert_audio_device(devices, HAL_API_REV_2_0, HAL_API_REV_1_0);
|
|
|
|
uint32_t raw_channel_mask = config->channel_mask;
|
|
in->legacy_in = ladev->hwif->openInputStream(devices, (int *) &config->format,
|
|
&raw_channel_mask, &config->sample_rate,
|
|
&status, (AudioSystem::audio_in_acoustics)0);
|
|
if (!in->legacy_in) {
|
|
ret = status;
|
|
goto err_open;
|
|
}
|
|
config->channel_mask = (audio_channel_mask_t)raw_channel_mask;
|
|
|
|
in->stream.common.get_sample_rate = in_get_sample_rate;
|
|
in->stream.common.set_sample_rate = in_set_sample_rate;
|
|
in->stream.common.get_buffer_size = in_get_buffer_size;
|
|
in->stream.common.get_channels = in_get_channels;
|
|
in->stream.common.get_format = in_get_format;
|
|
in->stream.common.set_format = in_set_format;
|
|
in->stream.common.standby = in_standby;
|
|
in->stream.common.dump = in_dump;
|
|
in->stream.common.set_parameters = in_set_parameters;
|
|
in->stream.common.get_parameters = in_get_parameters;
|
|
in->stream.common.add_audio_effect = in_add_audio_effect;
|
|
in->stream.common.remove_audio_effect = in_remove_audio_effect;
|
|
in->stream.set_gain = in_set_gain;
|
|
in->stream.read = in_read;
|
|
in->stream.get_input_frames_lost = in_get_input_frames_lost;
|
|
|
|
*stream_in = &in->stream;
|
|
return 0;
|
|
|
|
err_open:
|
|
free(in);
|
|
*stream_in = NULL;
|
|
return ret;
|
|
}
|
|
|
|
static void adev_close_input_stream(struct audio_hw_device *dev,
|
|
struct audio_stream_in *stream)
|
|
{
|
|
struct legacy_audio_device *ladev = to_ladev(dev);
|
|
struct legacy_stream_in *in =
|
|
reinterpret_cast<struct legacy_stream_in *>(stream);
|
|
|
|
ladev->hwif->closeInputStream(in->legacy_in);
|
|
free(in);
|
|
}
|
|
|
|
static int adev_dump(const struct audio_hw_device *dev, int fd)
|
|
{
|
|
const struct legacy_audio_device *ladev = to_cladev(dev);
|
|
Vector<String16> args;
|
|
|
|
return ladev->hwif->dumpState(fd, args);
|
|
}
|
|
|
|
static int legacy_adev_close(hw_device_t* device)
|
|
{
|
|
struct audio_hw_device *hwdev =
|
|
reinterpret_cast<struct audio_hw_device *>(device);
|
|
struct legacy_audio_device *ladev = to_ladev(hwdev);
|
|
|
|
if (!ladev)
|
|
return 0;
|
|
|
|
if (ladev->hwif)
|
|
delete ladev->hwif;
|
|
|
|
free(ladev);
|
|
return 0;
|
|
}
|
|
|
|
static int legacy_adev_open(const hw_module_t* module, const char* name,
|
|
hw_device_t** device)
|
|
{
|
|
struct legacy_audio_device *ladev;
|
|
int ret;
|
|
|
|
if (strcmp(name, AUDIO_HARDWARE_INTERFACE) != 0)
|
|
return -EINVAL;
|
|
|
|
ladev = (struct legacy_audio_device *)calloc(1, sizeof(*ladev));
|
|
if (!ladev)
|
|
return -ENOMEM;
|
|
|
|
ladev->device.common.tag = HARDWARE_DEVICE_TAG;
|
|
ladev->device.common.version = AUDIO_DEVICE_API_VERSION_2_0;
|
|
ladev->device.common.module = const_cast<hw_module_t*>(module);
|
|
ladev->device.common.close = legacy_adev_close;
|
|
|
|
ladev->device.init_check = adev_init_check;
|
|
ladev->device.set_voice_volume = adev_set_voice_volume;
|
|
ladev->device.set_master_volume = adev_set_master_volume;
|
|
ladev->device.get_master_volume = adev_get_master_volume;
|
|
ladev->device.set_mode = adev_set_mode;
|
|
ladev->device.set_mic_mute = adev_set_mic_mute;
|
|
ladev->device.get_mic_mute = adev_get_mic_mute;
|
|
ladev->device.set_parameters = adev_set_parameters;
|
|
ladev->device.get_parameters = adev_get_parameters;
|
|
ladev->device.get_input_buffer_size = adev_get_input_buffer_size;
|
|
ladev->device.open_output_stream = adev_open_output_stream;
|
|
ladev->device.close_output_stream = adev_close_output_stream;
|
|
ladev->device.open_input_stream = adev_open_input_stream;
|
|
ladev->device.close_input_stream = adev_close_input_stream;
|
|
ladev->device.dump = adev_dump;
|
|
|
|
ladev->hwif = createAudioHardware();
|
|
if (!ladev->hwif) {
|
|
ret = -EIO;
|
|
goto err_create_audio_hw;
|
|
}
|
|
|
|
*device = &ladev->device.common;
|
|
|
|
return 0;
|
|
|
|
err_create_audio_hw:
|
|
free(ladev);
|
|
return ret;
|
|
}
|
|
|
|
static struct hw_module_methods_t legacy_audio_module_methods = {
|
|
open: legacy_adev_open
|
|
};
|
|
|
|
struct legacy_audio_module HAL_MODULE_INFO_SYM = {
|
|
module: {
|
|
common: {
|
|
tag: HARDWARE_MODULE_TAG,
|
|
module_api_version: AUDIO_MODULE_API_VERSION_0_1,
|
|
hal_api_version: HARDWARE_HAL_API_VERSION,
|
|
id: AUDIO_HARDWARE_MODULE_ID,
|
|
name: "LEGACY Audio HW HAL",
|
|
author: "The Android Open Source Project",
|
|
methods: &legacy_audio_module_methods,
|
|
dso : NULL,
|
|
reserved : {0},
|
|
},
|
|
},
|
|
};
|
|
|
|
}; // extern "C"
|
|
|
|
}; // namespace android_audio_legacy
|