Revert "Merge pull request #204 from troyhacks/Strip_Level_Color_Adjust"
This reverts commitdb55872732, reversing changes made to972257a7ee.
This commit is contained in:
@@ -348,7 +348,7 @@ static float lastFftCalc[NUM_GEQ_CHANNELS] = {0.0f}; // backup
|
||||
|
||||
#if !defined(CONFIG_IDF_TARGET_ESP32C3)
|
||||
// audio source parameters and constant
|
||||
constexpr SRate_t SAMPLE_RATE = 96000; // Base sample rate in Hz - 22Khz is a standard rate. Physical sample time -> 23ms
|
||||
constexpr SRate_t SAMPLE_RATE = 22050; // Base sample rate in Hz - 22Khz is a standard rate. Physical sample time -> 23ms
|
||||
//constexpr SRate_t SAMPLE_RATE = 16000; // 16kHz - use if FFTtask takes more than 20ms. Physical sample time -> 32ms
|
||||
//constexpr SRate_t SAMPLE_RATE = 20480; // Base sample rate in Hz - 20Khz is experimental. Physical sample time -> 25ms
|
||||
//constexpr SRate_t SAMPLE_RATE = 10240; // Base sample rate in Hz - previous default. Physical sample time -> 50ms
|
||||
|
||||
@@ -186,7 +186,6 @@ class AudioSource {
|
||||
bool _i2sMaster; // when false, ESP32 will be in I2S SLAVE mode (for devices that only operate in MASTER mode). Only works in newer IDF >= 4.4.x
|
||||
float _sampleScale; // pre-scaling factor for I2S samples
|
||||
I2S_datatype newSampleBuffer[I2S_SAMPLES_MAX+4] = { 0 }; // global buffer for i2s_read
|
||||
I2S_datatype newSampleBuffer4x[(I2S_SAMPLES_MAX*4)+4] = { 0 }; // global buffer for i2s_read
|
||||
};
|
||||
|
||||
/* Basic I2S microphone source
|
||||
@@ -195,12 +194,12 @@ class AudioSource {
|
||||
*/
|
||||
class I2SSource : public AudioSource {
|
||||
public:
|
||||
I2SSource(SRate_t sampleRate, int blockSize, float sampleScale = 1.0f, bool i2sMaster=false) :
|
||||
I2SSource(SRate_t sampleRate, int blockSize, float sampleScale = 1.0f, bool i2sMaster=true) :
|
||||
AudioSource(sampleRate, blockSize, sampleScale, i2sMaster) {
|
||||
_config = {
|
||||
.mode = i2sMaster ? i2s_mode_t(I2S_MODE_MASTER | I2S_MODE_RX) : i2s_mode_t(I2S_MODE_SLAVE | I2S_MODE_RX),
|
||||
.sample_rate = _sampleRate, // slave mode: may help to set this to 96000, as the other side (master) controls sample rates
|
||||
.bits_per_sample = I2S_SAMPLE_RESOLUTION,
|
||||
.sample_rate = _sampleRate,
|
||||
.bits_per_sample = I2S_SAMPLE_RESOLUTION, // slave mode: may help to set this to 96000, as the other side (master) controls sample rates
|
||||
.channel_format = I2S_MIC_CHANNEL,
|
||||
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 2, 0)
|
||||
.communication_format = i2s_comm_format_t(I2S_COMM_FORMAT_STAND_I2S),
|
||||
@@ -395,8 +394,6 @@ class I2SSource : public AudioSource {
|
||||
|
||||
memset(buffer, 0, sizeof(float) * num_samples); // clear output buffer
|
||||
I2S_datatype *newSamples = newSampleBuffer; // use global input buffer
|
||||
I2S_datatype *newSamples_buff = newSampleBuffer4x; // use oversampling global input buffer
|
||||
|
||||
if (num_samples > I2S_SAMPLES_MAX) num_samples = I2S_SAMPLES_MAX; // protect the buffer from overflow
|
||||
|
||||
err = i2s_read(AR_I2S_PORT, (void *)newSamples, num_samples * sizeof(I2S_datatype), &bytes_read, portMAX_DELAY);
|
||||
@@ -411,15 +408,6 @@ class I2SSource : public AudioSource {
|
||||
return;
|
||||
}
|
||||
|
||||
if (_sampleRate == 96000) {
|
||||
int current = 0;
|
||||
for (int i = 0; i < 2048; i += 4) {
|
||||
newSamples[current] = newSamples_buff[i];
|
||||
current++;
|
||||
}
|
||||
num_samples /= 4; // back to 512 samples
|
||||
}
|
||||
|
||||
// Store samples in sample buffer and update DC offset
|
||||
for (int i = 0; i < num_samples; i++) {
|
||||
|
||||
|
||||
Reference in New Issue
Block a user