/* * 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 "btstack.h" #include "btstack_cvsd_plc.h" #include "wav_util.h" #define BYTES_PER_FRAME 2 #define PAKET_TYPE_SCO_OUT 8 #define PAKET_TYPE_SCO_IN 9 static btstack_cvsd_plc_state_t plc_state; static void show_usage(void){ printf("\n\nUsage: ./pklg_cvsd_test input_file\n"); printf("Example: ./pklg_cvsd_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 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, 8000); btstack_cvsd_plc_init(&plc_state); 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; 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[256]; uint8_t type = header[12]; if (type != packet_type) { // skip data while (size){ int bytes_to_read = btstack_min(sizeof(packet), size); __read(fd, packet, bytes_to_read); size -= bytes_to_read; } } else { 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++; int16_t audio_frame_out[128]; // if (size > sizeof(audio_frame_out)){ printf("sco_demo_receive_CVSD: SCO packet larger than local output buffer - dropping data.\n"); break; } const int audio_bytes_read = size - 3; const int num_samples = audio_bytes_read / BYTES_PER_FRAME; // check SCO handle -- quick hack, not correct if handle 0x0000 is actually used for SCO uint16_t sco_handle = little_endian_read_16(packet, 0) & 0xfff; if (sco_handle == 0) continue; // convert into host endian int16_t audio_frame_in[128]; int i; for (i=0;i 60){ btstack_cvsd_plc_process_data(&plc_state, false, audio_frame_in, 60, audio_frame_out); wav_writer_write_int16(60, audio_frame_out); btstack_cvsd_plc_process_data(&plc_state, false, &audio_frame_in[60], num_samples - 60, audio_frame_out); wav_writer_write_int16(num_samples - 60, audio_frame_out); } else { btstack_cvsd_plc_process_data(&plc_state, false, audio_frame_in, num_samples, audio_frame_out); wav_writer_write_int16(num_samples, audio_frame_out); } } else { wav_writer_write_int16(num_samples, audio_frame_in); } } } wav_writer_close(); close(fd); btstack_cvsd_dump_statistics(&plc_state); } 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_cvsd_plc_octave_set_base_name(filename); #endif strcpy(pklg_path, filename); strcat(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); }