Driver re-initialising on MP3 (helix) rate change #4

iwbnwif · 2024-02-19T00:04:55Z

iwbnwif
Feb 19, 2024

I am streaming from a URLStream to an AudioBoardStream via MP3DecoderHelix.

At startup, after a couple of copies, the helix decoder sends out a rate change (i.e., MP3DecoderHelix::infoCallback) which leads to the audio boards I2SCodecStream being reset.

Unfortunately, this re-initializes all the pins and the volume, PA setting etc. thereby overwriting any changes.

Is this intended behavior, or is it possible to update the library so that only the relevant parts of info are updated on a rate change?

Answered by pschatzmann

Feb 19, 2024

I extended the logic a bit:

the driver is now only set up when there is a change
the volume is saved and restored when there is a change e.g. in the sample rate

Can you help me to test this change ?

View full answer

pschatzmann · 2024-02-19T09:18:12Z

pschatzmann
Feb 19, 2024
Maintainer

I extended the logic a bit:

the driver is now only set up when there is a change
the volume is saved and restored when there is a change e.g. in the sample rate

Can you help me to test this change ?

0 replies

iwbnwif · 2024-02-19T10:30:40Z

iwbnwif
Feb 19, 2024
Author

Thank you for your fast action.

For some reason the volume is being set now to maximum. I can reset it normally in my loop(), but would still like to ask why it is necessary to make such a complete reset following a rate change?

Here is what I believe to be the relevant part of the log. You will see that the driver makes a full reset after the rate change. I would expect that only some registers in the 8388 need resetting, but I don't know if this part is generalized to work with lots of other drivers.

Search for *** in the log for my comments.

<-- *** my debug statement ***
Try copying 
[D] StreamCopy.h : 97 - copy 
[D] URLStream.h : 140 - available: 7025
[D] StreamCopy.h : 177 - available: 7025
[D] HttpRequest.h : 120 - virtual int audio_tools::HttpRequest::read(uint8_t*, int)
[D] URLStream.h : 152 - readBytes 1024 -> 1024
[D] StreamCopy.h : 332 - write: 1024
[D] AudioEncoded.h : 366 - EncodedAudioOutput::write: 1024
[D] CodecMP3Helix.h : 106 - virtual size_t audio_tools::MP3DecoderHelix::write(const void*, size_t): 1024
<-- *** This seems to be when the rate change occurs ***
[D] CodecMP3Helix.h : 131 - static void audio_tools::MP3DecoderHelix::infoCallback(MP3FrameInfo&, void*)
<-- *** Reset starts ***
[I] I2SCodecStream.h : 104 - virtual void audio_tools::I2SCodecStream::setAudioInfo(audio_tools::AudioInfo)
[D] AudioStreams.h : 52 - virtual void audio_tools::AudioStream::setAudioInfo(audio_tools::AudioInfo)
[I] AudioTypes.h : 104 - sample_rate: 48000
[I] AudioTypes.h : 105 - channels: 2
[I] AudioTypes.h : 106 - bits_per_sample: 16
Debug:   es8388_get_voice_volume
Debug:   i2c_bus_read_bytes: addr=32 reglen=1 datalen=1 - reg=46
[D] I2SCodecStream.h : 229 - input: 1
[D] I2SCodecStream.h : 231 - output: 3
[D] I2SCodecStream.h : 253 - BIT_LENGTH_16BITS
[D] I2SCodecStream.h : 290 - RATE_8K
[D] I2SCodecStream.h : 298 - I2S_NORMAL
Debug:   AudioBoard::begin
<-- *** Why does DriverPins::begin need to be called. The pins won't change because of the rate? ***
Debug:   DriverPins::begin
Debug:   pinMode 36
Debug:   pinMode 13
Debug:   pinMode 19
Debug:   pinMode 23
Debug:   pinMode 18
Debug:   pinMode 5
Debug:   pinMode 12
Debug:   pinMode 39
Debug:   pinMode 21
Debug:   pinMode 22
Debug:   PinsSPI::begin for 6
Info:    setting up SPI miso:2,mosi:15, clk:14, cs:13
Debug:   PinsI2C::begin for 7
Info:    setting up I2C scl: 32, sda: 33
Info:    Setting i2c clock: 100000
<-- *** Again, I don't think that this needs a full reset? ***
Debug:   AudioDriver::begin
Debug:   es8388_init
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x19 value=0x4
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x1 value=0x50
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x2 value=0x0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x35 value=0xA0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x37 value=0xD0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x39 value=0xD0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x8 value=0x0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x4 value=0xC0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x0 value=0x12
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x17 value=0x18
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x18 value=0x2
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x26 value=0x0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x27 value=0x90
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x2A value=0x90
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x2B value=0x80
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x2D value=0x0
Debug:   es8388_set_adc_dac_volume: 0.0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x1B value=0x0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x1A value=0x0
Info:    output_device: 3
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x4 value=0x3C
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x3 value=0xFF
Debug:   es8388_set_mic_gain: 25
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x9 value=0x88
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0xA value=0x0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0xB value=0x2
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0xC value=0xD
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0xD value=0x2
Debug:   es8388_set_adc_dac_volume: 0.0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x10 value=0x0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x11 value=0x0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x3 value=0x9
Debug:   mode->CODEC_MODE_BOTH
Debug:   es8388_ctrl_state_active: 3, 1
Debug:   es8388_start
Debug:   i2c_bus_read_bytes: addr=32 reglen=1 datalen=1 - reg=43
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x2B value=0x80
Debug:   i2c_bus_read_bytes: addr=32 reglen=1 datalen=1 - reg=43
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x3 value=0x0
Debug:   es8388_start default is mode:3
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x4 value=0x3C
Debug:   es8388_set_voice_mute
Debug:   i2c_bus_read_bytes: addr=32 reglen=1 datalen=1 - reg=25
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x19 value=0x0
Debug:   es8388_start default is mode:3
Debug:   start default is decode mode:3
Debug:   es8388_config_i2s
Debug:   es8388_config_fmt
Debug:   i2c_bus_read_bytes: addr=32 reglen=1 datalen=1 - reg=12
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0xC value=0xC
Debug:   i2c_bus_read_bytes: addr=32 reglen=1 datalen=1 - reg=23
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x17 value=0x18
Debug:   es8388_set_bits_per_sample
Debug:   i2c_bus_read_bytes: addr=32 reglen=1 datalen=1 - reg=12
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0xC value=0xC
Debug:   i2c_bus_read_bytes: addr=32 reglen=1 datalen=1 - reg=23
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x17 value=0x18
<-- *** This is part of the reset sequence - the PA power pin is reset, as is the volume ***
Info:    setPAPower pin 21 -> 1
Debug:   volume 70
Debug:   es8388_set_voice_volume (HACK 1): 70
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x1A value=0x0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x1B value=0x0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x2E value=0x17
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x2F value=0x17
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x30 value=0x17
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x31 value=0x17
[I] I2SStream.h : 71 - virtual void audio_tools::I2SStream::setAudioInfo(audio_tools::AudioInfo)
[D] AudioStreams.h : 52 - virtual void audio_tools::AudioStream::setAudioInfo(audio_tools::AudioInfo)
[I] AudioTypes.h : 104 - sample_rate: 48000
[I] AudioTypes.h : 105 - channels: 2
[I] AudioTypes.h : 106 - bits_per_sample: 16
[I] AudioTypes.h : 103 - Info from I2SStream:
[I] AudioTypes.h : 104 - sample_rate: 48000
[I] AudioTypes.h : 105 - channels: 2
[I] AudioTypes.h : 106 - bits_per_sample: 16
[I] I2SConfigESP32.h : 90 - rx/tx mode: TX_MODE
[I] I2SConfigESP32.h : 91 - port_no: 0
[I] I2SConfigESP32.h : 92 - is_master: Master
[I] I2SConfigESP32.h : 93 - sample rate: 48000
[I] I2SConfigESP32.h : 94 - bits per sample: 16
[I] I2SConfigESP32.h : 95 - number of channels: 2
[I] I2SConfigESP32.h : 96 - signal_type: Digital
[I] I2SConfigESP32.h : 98 - i2s_format: I2S_STD_FORMAT
[I] I2SConfigESP32.h : 100 - auto_clear: true
[I] I2SConfigESP32.h : 102 - use_apll: true
[I] I2SConfigESP32.h : 107 - buffer_count:6
[I] I2SConfigESP32.h : 108 - buffer_size:512
[I] I2SConfigESP32.h : 111 - pin_mck: 0
[I] I2SConfigESP32.h : 113 - pin_bck: 27
[I] I2SConfigESP32.h : 115 - pin_ws: 25
[I] I2SConfigESP32.h : 117 - pin_data: 26
[D] I2SESP32.h : 73 - void audio_tools::I2SDriverESP32::end()
[D] I2SESP32.h : 47 - bool audio_tools::I2SDriverESP32::begin(audio_tools::I2SConfigESP32)
[D] I2SESP32.h : 161 - bool audio_tools::I2SDriverESP32::begin(audio_tools::I2SConfigESP32, int, int)
[I] AudioTypes.h : 104 - sample_rate: 48000
[I] AudioTypes.h : 105 - channels: 2
[I] AudioTypes.h : 106 - bits_per_sample: 16
[I] I2SConfigESP32.h : 90 - rx/tx mode: TX_MODE
[I] I2SConfigESP32.h : 91 - port_no: 0
[I] I2SConfigESP32.h : 92 - is_master: Master
[I] I2SConfigESP32.h : 93 - sample rate: 48000
[I] I2SConfigESP32.h : 94 - bits per sample: 16
[I] I2SConfigESP32.h : 95 - number of channels: 2
[I] I2SConfigESP32.h : 96 - signal_type: Digital
[I] I2SConfigESP32.h : 98 - i2s_format: I2S_STD_FORMAT
[I] I2SConfigESP32.h : 100 - auto_clear: true
[I] I2SConfigESP32.h : 102 - use_apll: true
[I] I2SConfigESP32.h : 107 - buffer_count:6
[I] I2SConfigESP32.h : 108 - buffer_size:512
[I] I2SConfigESP32.h : 111 - pin_mck: 0
[I] I2SConfigESP32.h : 113 - pin_bck: 27
[I] I2SConfigESP32.h : 115 - pin_ws: 25
[I] I2SConfigESP32.h : 117 - pin_data: 26
[D] I2SESP32.h : 193 - i2s_driver_install
[D] I2SESP32.h : 210 - i2s_set_pin
[D] I2SESP32.h : 221 - i2s_zero_dma_buffer
[D] I2SESP32.h : 225 - begin - started
<-- *** This seems to be the result of this morning's change [93d5013], now volume is set to 100 (1.0)? ***
Debug:   volume 900
Debug:   es8388_set_voice_volume (HACK 1): 100
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x1A value=0x0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x1B value=0x0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x2E value=0x21
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x2F value=0x21
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x30 value=0x21
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x31 value=0x21
[D] I2SCodecStream.h : 117 - I2SStream::write: 4608
[D] I2SStream.h : 88 - I2SStream::write: 4608
[D] I2SESP32.h : 85 - size_t audio_tools::I2SDriverESP32::writeBytes(const void*, size_t)
[D] I2SESP32.h : 92 - i2s_write 4608 -> 4608 bytes
[D] AudioEncoded.h : 382 - EncodedAudioOutput::write: 1024 -> 1024
[D] StreamCopy.h : 338 - write: 1024 -> 1024
[I] StreamCopy.h : 143 - StreamCopy::copy  1024 -> 1024 -> 1024 bytes - in 1 hops
Copied okay
<-- *** I can manually reset the volume here, but what if there is another rate change? ***
Setting volume
Debug:   volume 10
Debug:   es8388_set_voice_volume (HACK 1): 10
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x1A value=0x0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x1B value=0x0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x2E value=0x3
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x2F value=0x3
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x30 value=0x3
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x31 value=0x3
Try copying
[D] StreamCopy.h : 97 - copy 
[D] URLStream.h : 140 - available: 6001
[D] StreamCopy.h : 177 - available: 6001
[D] HttpRequest.h : 120 - virtual int audio_tools::HttpRequest::read(uint8_t*, int)
[D] URLStream.h : 152 - readBytes 1024 -> 1024
[D] StreamCopy.h : 332 - write: 1024
[D] AudioEncoded.h : 366 - EncodedAudioOutput::write: 1024
[D] CodecMP3Helix.h : 106 - virtual size_t audio_tools::MP3DecoderHelix::write(const void*, size_t): 1024
[D] I2SCodecStream.h : 117 - I2SStream::write: 4608
[D] I2SStream.h : 88 - I2SStream::write: 4608
[D] I2SESP32.h : 85 - size_t audio_tools::I2SDriverESP32::writeBytes(const void*, size_t)
[D] I2SESP32.h : 92 - i2s_write 4608 -> 4608 bytes
[D] I2SCodecStream.h : 117 - I2SStream::write: 4608
[D] I2SStream.h : 88 - I2SStream::write: 4608
[D] I2SESP32.h : 85 - size_t audio_tools::I2SDriverESP32::writeBytes(const void*, size_t)
[D] I2SESP32.h : 92 - i2s_write 4608 -> 4608 bytes
[D] AudioEncoded.h : 382 - EncodedAudioOutput::write: 1024 -> 1024
[D] StreamCopy.h : 338 - write: 1024 -> 1024
[I] StreamCopy.h : 143 - StreamCopy::copy  1024 -> 1024 -> 1024 bytes - in 1 hops
Copied okay
Setting volume
Debug:   volume 10
Debug:   es8388_set_voice_volume (HACK 1): 10
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x1A value=0x0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x1B value=0x0
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x2E value=0x3
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x2F value=0x3
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x30 value=0x3
Debug:   i2c_bus_write_bytes: addr=0x20 reglen=1 datalen=1 - reg=0x31 value=0x3
Try copying
[D] StreamCopy.h : 97 - copy 
[D] URLStream.h : 140 - available: 6413
[D] StreamCopy.h : 177 - available: 6413
[D] HttpRequest.h : 120 - virtual int audio_tools::HttpRequest::read(uint8_t*, int)
[D] URLStream.h : 152 - readBytes 1024 -> 1024
[D] StreamCopy.h : 332 - write: 1024
[D] AudioEncoded.h : 366 - EncodedAudioOutput::write: 1024
[D] CodecMP3Helix.h : 106 - virtual size_t audio_tools::MP3DecoderHelix::write(const void*, size_t): 1024
[D] I2SCodecStream.h : 117 - I2SStream::write: 4608
[D] I2SStream.h : 88 - I2SStream::write: 4608
[D] I2SESP32.h : 85 - size_t audio_tools::I2SDriverESP32::writeBytes(const void*, size_t)
[D] I2SESP32.h : 92 - i2s_write 4608 -> 4608 bytes
[D] I2SCodecStream.h : 117 - I2SStream::write: 4608
[D] I2SStream.h : 88 - I2SStream::write: 4608
[D] I2SESP32.h : 85 - size_t audio_tools::I2SDriverESP32::writeBytes(const void*, size_t)
[D] I2SESP32.h : 92 - i2s_write 4608 -> 4608 bytes
[D] I2SCodecStream.h : 117 - I2SStream::write: 4608
[D] I2SStream.h : 88 - I2SStream::write: 4608
[D] I2SESP32.h : 85 - size_t audio_tools::I2SDriverESP32::writeBytes(const void*, size_t)
[D] I2SESP32.h : 92 - i2s_write 4608 -> 4608 bytes
[D] AudioEncoded.h : 382 - EncodedAudioOutput::write: 1024 -> 1024
[D] StreamCopy.h : 338 - write: 1024 -> 1024
[I] StreamCopy.h : 143 - StreamCopy::copy  1024 -> 1024 -> 1024 bytes - in 1 hops
Copied okay

0 replies

pschatzmann · 2024-02-19T10:51:23Z

pschatzmann
Feb 19, 2024
Maintainer

My mistake: I was saving the volume in an int value instead of a float.

Feel free to provide an implementation for all supported drivers to set only the sample rate and bits per sample!
I am trying to provide one consistent API, so I don't think that it would make sense to have it working only for some audio chips but not for others...

5 replies

iwbnwif Feb 19, 2024
Author

I am trying to provide one consistent API, so I don't think that it would make sense to have it working only for some audio chips but not for others...

Yes, I though that might be the case. Sorry, if my comment came across as being overly simplistic! I am very grateful for the library :)

pschatzmann Feb 19, 2024
Maintainer

No worries: The I2SCodecStream/AudioBoardStream is quite new and might still have other small problems, so I am happy about any feed back.

I found that it was still not working properly - so after my latest corrections it's possible to set the volume before and after the begin call w/o loosing it...

iwbnwif Feb 19, 2024
Author

Thank you again, I don't have access to the board at the moment but will definitely test it later today.

iwbnwif Feb 19, 2024
Author

The volume is now retained, but the PAPower is still being turned back on when there is a rate change.

iwbnwif Feb 19, 2024
Author

Also, the I2SCodecStream::setVolume and ::getVolume functions are asymmetric.

setVolume takes a float which is multiplied by 100.
getVolume returns the raw volume as an integer, although the comment says "Provides the actual volume (0.0 - 1.0).

pschatzmann · 2024-02-19T23:34:35Z

pschatzmann
Feb 19, 2024
Maintainer

I added a new method setConfig() in the driver library which does not touch the volume and PA!
The volume has been converted to float (0-1.0) as well

1 reply

iwbnwif Feb 20, 2024
Author

Awesome! It's all working well now on my ES8388V1 AudioKit.

It's not very important, but just to let you know that there is some rounding in the setVolume() and getVolume() that causes a slight difference in increments and decrements. Consider this:

kit.setVolume(0.3);
kit.setVolume(kit.getVolume() + 0.1);
kit.setVolume(kit.getVolume() - 0.1);

This should return the volume to where it started, but doesn't.

Provide feedback

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Driver re-initialising on MP3 (helix) rate change #4

iwbnwif Feb 19, 2024

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