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test/sbc: add sine decoder test
This commit is contained in:
Matthias Ringwald
parent
6316c8ed51
commit
9b4288df3b
3
test/sbc/.gitignore
vendored
3
test/sbc/.gitignore
vendored
@ -1,3 +1,4 @@
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sbc_decoder_test
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sbc_encoder_test
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sine_wave.py
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sine_wave.pydata_sine_stereo_sbc.h
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sbc_decoder_sine
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@ -35,7 +35,7 @@ COMMON += \
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COMMON_OBJ = $(COMMON:.c=.o)
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SBC_TESTS = sbc_decoder_test msbc_encoder_test
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SBC_TESTS = sbc_decoder_test msbc_encoder_test sbc_decoder_sine
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all: ${SBC_TESTS}
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@ -45,6 +45,15 @@ sbc_decoder_test: ${SBC_DECODER_OBJ} ${SBC_ENCODER_OBJ} ${COMMON_OBJ} sbc_decode
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msbc_encoder_test: ${SBC_DECODER_OBJ} ${SBC_ENCODER_OBJ} ${COMMON_OBJ} msbc_encoder_test.o
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${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@
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data_sine_stereo_sbc.h: data/sine-stereo.sbc
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xxd -i -l 14800 $^ > $@
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data_fanfare_8sb_stereo_sbc.h: data/fanfare-8sb-stereo.sbc
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xxd -i $^ > $@
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sbc_decoder_sine: ${SBC_DECODER_OBJ} ${SBC_ENCODER_OBJ} ${COMMON_OBJ} sbc_decoder_sine.o data_sine_stereo_sbc.h
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${CC} $(filter-out data_sine_stereo_sbc.h,$^) ${CFLAGS} ${LDFLAGS} -o $@
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test: all
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./sbc_decoder_test data/avdtp_sink sbc 0 0
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@ -74,4 +83,4 @@ pytest:
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./sbc_encoder_test.py data/fanfare-stereo.wav 16 8 64 2 data/fanfare-8sb-stereo.sbc
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clean:
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rm -f *.pyc *.wav *.sbc data/*-decoded.wav data/*-encoded.sbc *.o $(SBC_TESTS) *.dSYM *_test
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rm -f *.pyc *.wav *.sbc data/*-decoded.wav data/*-encoded.sbc *.o $(SBC_TESTS) *.dSYM *_test data_*.h
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157
test/sbc/sbc_decoder_sine.c
Normal file
157
test/sbc/sbc_decoder_sine.c
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@ -0,0 +1,157 @@
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/*
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* Copyright (C) 2014 BlueKitchen GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* 4. Any redistribution, use, or modification is done solely for
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* personal benefit and not for any commercial purpose or for
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* monetary gain.
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*
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* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
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* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Please inquire about commercial licensing options at
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* contact@bluekitchen-gmbh.com
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*
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*/
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// *****************************************************************************
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//
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// SBC decoder tests
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//
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// *****************************************************************************
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#include "btstack_config.h"
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "btstack.h"
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#include "classic/btstack_sbc.h"
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#include "data_sine_stereo_sbc.h"
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#ifdef HAVE_AUDIO_DMA
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#include "hal_audio_dma.h"
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#endif
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#define SAMPLE_RATE 44100
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static int total_num_samples = 0;
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static int frame_count = 0;
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#define NUM_SAMPLES 128
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#define NUM_CHANNELS 2
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#define BYTES_PER_SAMPLE 2
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static uint16_t audio_samples0[NUM_SAMPLES*2];
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static uint16_t audio_samples1[NUM_SAMPLES*2];
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static volatile int playback_buffer;
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#ifdef HAVE_AUDIO_DMA
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void hal_audio_dma_done(void){
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uint16_t bytes_to_copy = sizeof(audio_samples1);
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playback_buffer = 1 - playback_buffer;
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// printf("Play %u\n", playback_buffer);
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hal_audio_dma_play(playback_buffer ? audio_samples1 : audio_samples0, NUM_SAMPLES * NUM_CHANNELS * BYTES_PER_SAMPLE);
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}
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#endif
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static void handle_pcm_data(int16_t * data, int num_samples, int num_channels, int sample_rate, void * context){
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#ifdef HAVE_AUDIO_DMA
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// printf("Write %u (%u, %u)\n", playback_buffer, num_samples, num_channels);
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int write_buffer = 1 - playback_buffer;
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playback_buffer ? audio_samples0 : audio_samples1;
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memcpy(write_buffer ? audio_samples1 : audio_samples0, data, NUM_SAMPLES * NUM_CHANNELS * BYTES_PER_SAMPLE);
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#else
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printf("Samples: num_samples %u, num_channels %u, sample_rate %u\n", num_samples, num_channels, sample_rate);
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// printf_hexdump(data, num_samples * num_channels * 2);
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int i;
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for (i=0;i<num_channels*num_samples;i += 2){
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if ((i%24) == 0) printf("\n");
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printf ("%12d ", data[i]);
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}
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printf("\n");
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#endif
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total_num_samples+=num_samples*num_channels;
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frame_count++;
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}
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int btstack_main (int argc, const char * argv[]){
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(void) argc;
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(void) argv;
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btstack_sbc_mode_t mode = SBC_MODE_STANDARD;
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btstack_sbc_decoder_state_t state;
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btstack_sbc_decoder_init(&state, mode, &handle_pcm_data, NULL);
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btstack_sbc_decoder_test_disable_plc();
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uint32_t t_start = btstack_run_loop_get_time_ms();
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playback_buffer = 1;
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uint32_t offset = 0;
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uint32_t sbc_len = data_sine_stereo_sbc_len;
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uint8_t * sbc_data = data_sine_stereo_sbc;
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btstack_sbc_decoder_process_data(&state, 0, &sbc_data[offset], 74);
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offset += 74;
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#ifdef HAVE_AUDIO_DMA
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hal_audio_dma_init(SAMPLE_RATE);
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hal_audio_dma_set_audio_played(&hal_audio_dma_done);
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hal_audio_dma_done();
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#endif
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while (1){
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btstack_sbc_decoder_process_data(&state, 0, &sbc_data[offset], 74);
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offset += 74;
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if (offset >= sbc_len){
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offset = 0;
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}
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while (playback_buffer == 0){
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__asm__("wfe");
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}
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btstack_sbc_decoder_process_data(&state, 0, &sbc_data[offset], 74);
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offset += 74;
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if (offset >= sbc_len){
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offset = 0;
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}
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while (playback_buffer == 1){
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__asm__("wfe");
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}
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}
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#if 0
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uint32_t t_end = btstack_run_loop_get_time_ms();
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printf("Decoding done. Processed %d frames:\n - %d good\n - %d bad\n - %d zero frames\n", frame_count, state.good_frames_nr, state.bad_frames_nr, state.zero_frames_nr);
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printf("Time for 100 frames %u ms\n", t_end - t_start); // frame len 74 in this sbc test sample
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#endif
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return 0;
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}
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