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 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 // ***************************************************************************** 39 // 40 // SBC decoder tests 41 // 42 // ***************************************************************************** 43 44 #include "btstack_config.h" 45 46 #include <stdint.h> 47 #include <stdio.h> 48 #include <stdlib.h> 49 #include <string.h> 50 #include <fcntl.h> 51 #include <unistd.h> 52 53 #include "oi_assert.h" 54 55 #include "btstack.h" 56 #include "btstack_sbc.h" 57 58 #include "wav_util.h" 59 60 static char wav_filename[1000]; 61 static char pklg_filename[1000]; 62 63 static int wav_writer_opened; 64 static int total_num_samples = 0; 65 static int frame_count = 0; 66 67 68 static void show_usage(void){ 69 printf("\n\nUsage: ./sco_test input_file\n"); 70 printf("Example: ./sco_test pklg/test1.pklg\n"); 71 } 72 73 static ssize_t __read(int fd, void *buf, size_t count){ 74 ssize_t len, pos = 0; 75 76 while (count > 0) { 77 len = read(fd, (int8_t * )buf + pos, count); 78 if (len <= 0) 79 return pos; 80 81 count -= len; 82 pos += len; 83 } 84 return pos; 85 } 86 87 88 static void handle_pcm_data(int16_t * data, int num_samples, int num_channels, int sample_rate, void * context){ 89 (void) context; 90 if (!wav_writer_opened){ 91 wav_writer_opened = 1; 92 wav_writer_open(wav_filename, num_channels, sample_rate); 93 94 } 95 96 // printf("Sampels: num_samples %u, num_channels %u, sample_rate %u\n", num_samples, num_channels, sample_rate); 97 // printf_hexdump(data, num_samples * num_channels * 2); 98 // int i; 99 // for (i=0;i<num_channels*num_samples;i += 2){ 100 // if ((i%24) == 0) printf("\n"); 101 // printf ("%12d ", data[i]); 102 // } 103 // printf("\n"); 104 wav_writer_write_int16(num_samples*num_channels, data); 105 106 total_num_samples+=num_samples*num_channels; 107 frame_count++; 108 } 109 110 int main (int argc, const char * argv[]){ 111 if (argc < 2){ 112 show_usage(); 113 return -1; 114 } 115 int argv_pos = 1; 116 const char * filename = argv[argv_pos++]; 117 118 #ifdef OCTAVE_OUTPUT 119 printf("defined OCTAVE OUTPUT\n"); 120 octave_set_base_name(filename); 121 #endif 122 123 btstack_sbc_mode_t mode = SBC_MODE_mSBC; 124 125 strcpy(pklg_filename, filename); 126 strcat(pklg_filename, ".pklg"); 127 128 strcpy(wav_filename, filename); 129 strcat(wav_filename, ".wav"); 130 131 132 int fd = open(pklg_filename, O_RDONLY); 133 if (fd < 0) { 134 printf("Can't open file %s", pklg_filename); 135 return -1; 136 } 137 printf("Open pklg file: %s\n", pklg_filename); 138 139 140 btstack_sbc_decoder_state_t state; 141 btstack_sbc_decoder_init(&state, mode, &handle_pcm_data, NULL); 142 143 int sco_packet_counter = 0; 144 while (1){ 145 int bytes_read; 146 // get next packet 147 uint8_t header[13]; 148 bytes_read = __read(fd, header, sizeof(header)); 149 if (0 >= bytes_read) break; 150 151 uint8_t packet[256]; 152 uint32_t size = big_endian_read_32(header, 0) - 9; 153 bytes_read = __read(fd, packet, size); 154 155 uint8_t type = header[12]; 156 if (type != 9) continue; 157 sco_packet_counter++; 158 159 // printf("Packet %4u, flags %x: ", sco_packet_counter, (packet[1] >> 4)); 160 // printf_hexdump(packet+3, size-3); 161 btstack_sbc_decoder_process_data(&state, (packet[1] >> 4) & 3, packet+3, size-3); 162 } 163 164 wav_writer_close(); 165 close(fd); 166 167 int good = state.good_frames_nr; 168 int bad = state.bad_frames_nr + state.zero_frames_nr; 169 int consecutive; 170 int total_frames_nr = good + bad; 171 172 printf("WAV Writer (SBC): Decoding done. Processed totaly %d frames:\n - %d good\n - %d bad\n", total_frames_nr, good, bad); 173 174 good = state.plc_state.good_frames_nr; 175 bad = state.plc_state.bad_frames_nr; 176 consecutive = state.plc_state.max_consecutive_bad_frames_nr; 177 total_frames_nr = good + bad; 178 printf("WAV Writer (PLC): Decoding done. Processed totaly %d frames:\n - %d good\n - %d bad\n - %d consecutive\n", total_frames_nr, good, bad, consecutive); 179 180 printf("Write %d frames to wav file: %s\n\n", frame_count, wav_filename); 181 } 182