hfp_msbc.c (e501bae08349e058caa4648e0af3dd01cbd89d20) hfp_msbc.c (c1ab6cc1beb14b16b46e74a3723644016d8c3cc7)
1/*
2 * Copyright (C) 2014 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright

--- 58 unchanged lines hidden (view full) ---

67
68void hfp_msbc_init(void){
69 btstack_sbc_encoder_init(&state, SBC_MODE_mSBC, 16, 8, 0, 16000, 26, 0);
70 msbc_buffer_offset = 0;
71 msbc_sequence_number = 0;
72}
73
74int hfp_msbc_can_encode_audio_frame_now(void){
1/*
2 * Copyright (C) 2014 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright

--- 58 unchanged lines hidden (view full) ---

67
68void hfp_msbc_init(void){
69 btstack_sbc_encoder_init(&state, SBC_MODE_mSBC, 16, 8, 0, 16000, 26, 0);
70 msbc_buffer_offset = 0;
71 msbc_sequence_number = 0;
72}
73
74int hfp_msbc_can_encode_audio_frame_now(void){
75 return sizeof(msbc_buffer) - msbc_buffer_offset >= MSBC_FRAME_SIZE + MSBC_EXTRA_SIZE;
75 return (sizeof(msbc_buffer) - msbc_buffer_offset) >= MSBC_FRAME_SIZE + MSBC_EXTRA_SIZE;
76}
77
78void hfp_msbc_encode_audio_frame(int16_t * pcm_samples){
79 if (!hfp_msbc_can_encode_audio_frame_now()) return;
80
81 // Synchronization Header H2
82 msbc_buffer[msbc_buffer_offset++] = msbc_header_h2_byte_0;
83 msbc_buffer[msbc_buffer_offset++] = msbc_header_h2_byte_1_table[msbc_sequence_number];

--- 33 unchanged lines hidden --- 		76}
77
78void hfp_msbc_encode_audio_frame(int16_t * pcm_samples){
79 if (!hfp_msbc_can_encode_audio_frame_now()) return;
80
81 // Synchronization Header H2
82 msbc_buffer[msbc_buffer_offset++] = msbc_header_h2_byte_0;
83 msbc_buffer[msbc_buffer_offset++] = msbc_header_h2_byte_1_table[msbc_sequence_number];

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