45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/*
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* Copyright (C) 2025 Amlogic Corporation.
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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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#ifndef _AUDIO_LLP_H_
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#define _AUDIO_LLP_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define LLP_BUFFER_NAME "llp_input"
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#define LLP_BUFFER_SIZE (256 * 6 * 2 * 20)
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typedef struct audio_llp_ctx {
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char *llp_buf;
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uint64_t llp_rp;
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uint64_t llp_underrun_wp;
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int nChannel;
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} audio_llp_ctx_t;
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int llp_init(struct aml_audio_device *adev, int nChannel);
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void llp_deinit(struct aml_audio_device *adev);
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void llp_injection_and_mixer(struct aml_audio_device *adev, void *main_buffer, int main_channels);
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int llp_input_process(audio_llp_ctx_t *llp_ctx, void *outbuffer, int *outsamples, int alsa_level);
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#ifdef __cplusplus
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}
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#endif
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#endif
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