/* * Copyright (C) 2014 BlueKitchen GmbH * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the copyright holders nor the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * 4. Any redistribution, use, or modification is done solely for * personal benefit and not for any commercial purpose or for * monetary gain. * * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Please inquire about commercial licensing options at * contact@bluekitchen-gmbh.com * */ // ***************************************************************************** // // SBC decoder tests // // ***************************************************************************** #include "btstack_config.h" #include #include #include #include #include #include #include "oi_assert.h" #include "btstack.h" #include "btstack_sbc.h" #include "wav_util.h" #define PAKET_TYPE_SCO_OUT 8 #define PAKET_TYPE_SCO_IN 9 static int total_num_samples = 0; static int frame_count = 0; static void show_usage(void){ printf("\n\nUsage: ./pklg_msbc_test input_file \n"); printf("Example: ./pklg_msbc_test pklg/test1 \n"); } static ssize_t __read(int fd, void *buf, size_t count){ ssize_t len, pos = 0; while (count > 0) { len = read(fd, (int8_t * )buf + pos, count); if (len <= 0) return pos; count -= len; pos += len; } return pos; } static void handle_pcm_data(int16_t * data, int num_samples, int num_channels, int sample_rate, void * context){ (void) context; (void) sample_rate; wav_writer_write_int16(num_samples*num_channels, data); total_num_samples += num_samples*num_channels; frame_count++; } static void process_file(const char * pklg_path, const char * wav_path, int packet_type, int plc_enabled){ printf("Processing %s -> %s: PLC enabled: %u, direction %s\n", pklg_path, wav_path, plc_enabled, packet_type == PAKET_TYPE_SCO_OUT ? "Out" : "In"); int oflags = O_RDONLY; #ifdef _WIN32 oflags |= O_BINARY; #endif int fd = open(pklg_path, oflags); if (fd < 0) { printf("Can't open file %s", pklg_path); return; } wav_writer_open(wav_path, 1, 16000); total_num_samples = 0; frame_count = 0; btstack_sbc_mode_t mode = SBC_MODE_mSBC; btstack_sbc_decoder_state_t state; btstack_sbc_decoder_init(&state, mode, &handle_pcm_data, NULL); btstack_sbc_decoder_test_set_plc_enabled(plc_enabled); int sco_packet_counter = 0; while (1){ int bytes_read; // get next packet uint8_t header[13]; bytes_read = __read(fd, header, sizeof(header)); if (0 >= bytes_read) break; uint8_t type = header[12]; uint32_t size = big_endian_read_32(header, 0); // auto-detect endianess of size param if (size >0xffff){ size = little_endian_read_32(header, 0); } // subtract header size -= 9; uint8_t packet[300]; if (type == packet_type){ if (size > sizeof(packet) ){ printf("Error: size %d, packet counter %d \n", size, sco_packet_counter); exit(10); } bytes_read = __read(fd, packet, size); sco_packet_counter++; btstack_sbc_decoder_process_data(&state, (packet[1] >> 4) & 3, packet+3, size-3); } else { // skip data while (size){ int bytes_to_read = btstack_min(sizeof(packet), size); __read(fd, packet, bytes_to_read); size -= bytes_to_read; } } } wav_writer_close(); close(fd); int good = state.good_frames_nr; int bad = state.bad_frames_nr + state.zero_frames_nr; int consecutive; int total_frames_nr = good + bad; printf("WAV Writer (SBC): Decoding done. Processed totaly %d frames:\n - %d good\n - %d bad\n", total_frames_nr, good, bad); good = state.plc_state.good_frames_nr; bad = state.plc_state.bad_frames_nr; consecutive = state.plc_state.max_consecutive_bad_frames_nr; total_frames_nr = good + bad; 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); printf("Write %d frames to wav file: %s\n\n", frame_count, wav_path); } int main (int argc, const char * argv[]){ char wav_path[1000]; char pklg_path[1000]; if (argc < 2){ show_usage(); return -1; } int argv_pos = 1; const char * filename = argv[argv_pos++]; #ifdef OCTAVE_OUTPUT printf("OCTAVE OUTPUT active\n"); btstack_sbc_plc_octave_set_base_name(filename); #endif btstack_strcpy(pklg_path, sizeof(pklg_path), filename); btstack_strcat(pklg_path, sizeof(pklg_path), ".pklg"); // in file, no plc strcpy(wav_path, filename); strcat(wav_path, "_in_raw.wav"); process_file(pklg_path, wav_path, PAKET_TYPE_SCO_IN, 0); // in file, plc strcpy(wav_path, filename); strcat(wav_path, "_in_plc.wav"); process_file(pklg_path, wav_path, PAKET_TYPE_SCO_IN, 1); // out file, no plc strcpy(wav_path, filename); strcat(wav_path, "_out.wav"); process_file(pklg_path, wav_path, PAKET_TYPE_SCO_OUT, 0); }