`i2s_driver_cleanup` in `i2s_stream_idf5.c->i2s_stream_init()` is not safe (AUD-5308)

[yyjdelete]

INSTRUCTIONS

Before submitting a new issue, please follow the checklist and try to find the answer.

• I have read the documentation Espressif Audio Development Guide and the issue is not addressed there.
• I have updated my ADF and IDF branch (master or release) to the latest version and checked that the issue is present there.
• I have searched the issue tracker for a similar issue and not found a similar issue.

for some app like examples/speech_recognition/wwe, if you switch the order of setup_player() and start_recorder(), and create the 2nd i2s_stream while the first one is working.

The 2nd call to i2s_stream_init will delete the old handle and create an new one, but not mutex for this, and it doesn't check config->uninstall_drv, so another i2s_stream maybe still using it.

esp-adf/components/audio_stream/i2s_stream_idf5.c

Line 641 in 74c8872

i2s_driver_cleanup(i2s, false);

esp-adf/components/audio_stream/i2s_stream_idf5.c

Lines 165 to 166 in 74c8872

	ret |= i2s_del_channel(i2s_key_slot[i2s->port].rx_handle);
	i2s_key_slot[i2s->port].rx_handle = NULL;

esp-adf/components/audio_stream/i2s_stream_idf5.c

Lines 471 to 478 in 74c8872

	static int _i2s_read(audio_element_handle_t self, char *buffer, int len, TickType_t ticks_to_wait, void *context)
	{
	size_t bytes_read = 0;
	i2s_stream_t *i2s = (i2s_stream_t *)audio_element_getdata(self);
	i2s_channel_read(i2s_key_slot[i2s->port].rx_handle, buffer, len, &bytes_read, ticks_to_wait);
	audio_element_update_total_bytes(self, bytes_read);
	return bytes_read;
	}

It may lead to random crash(i2s reader block forever on deleted mutex or random broken memory).
And require an safe way to do it as it does in the old i2s_stream.c

[jason-mao]

@yyjdelete Thanks for your report, let's fix it.

[shootao]

Hi @yyjdelete
Please update i2s_stream_idf5.zip and have a try