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104 lines
3.2 KiB
Python
104 lines
3.2 KiB
Python
import esphome.codegen as cg
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from esphome.components import audio, esp32, speaker
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import esphome.config_validation as cv
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from esphome.const import (
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CONF_BITS_PER_SAMPLE,
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CONF_BUFFER_DURATION,
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CONF_FILTERS,
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CONF_ID,
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CONF_NUM_CHANNELS,
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CONF_OUTPUT_SPEAKER,
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CONF_SAMPLE_RATE,
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CONF_TASK_STACK_IN_PSRAM,
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PLATFORM_ESP32,
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)
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from esphome.core.entity_helpers import inherit_property_from
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AUTO_LOAD = ["audio"]
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CODEOWNERS = ["@kahrendt"]
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resampler_ns = cg.esphome_ns.namespace("resampler")
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ResamplerSpeaker = resampler_ns.class_(
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"ResamplerSpeaker", cg.Component, speaker.Speaker
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)
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CONF_TAPS = "taps"
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def _set_stream_limits(config):
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audio.set_stream_limits(
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min_bits_per_sample=16,
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max_bits_per_sample=32,
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)(config)
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return config
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def _validate_audio_compatability(config):
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inherit_property_from(CONF_BITS_PER_SAMPLE, CONF_OUTPUT_SPEAKER)(config)
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inherit_property_from(CONF_NUM_CHANNELS, CONF_OUTPUT_SPEAKER)(config)
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inherit_property_from(CONF_SAMPLE_RATE, CONF_OUTPUT_SPEAKER)(config)
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audio.final_validate_audio_schema(
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"source_speaker",
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audio_device=CONF_OUTPUT_SPEAKER,
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bits_per_sample=config.get(CONF_BITS_PER_SAMPLE),
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channels=config.get(CONF_NUM_CHANNELS),
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sample_rate=config.get(CONF_SAMPLE_RATE),
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)(config)
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def _validate_taps(taps):
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value = cv.int_range(min=16, max=128)(taps)
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if value % 4 != 0:
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raise cv.Invalid("Number of taps must be divisible by 4")
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return value
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CONFIG_SCHEMA = cv.All(
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speaker.SPEAKER_SCHEMA.extend(
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{
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cv.GenerateID(): cv.declare_id(ResamplerSpeaker),
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cv.Required(CONF_OUTPUT_SPEAKER): cv.use_id(speaker.Speaker),
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cv.Optional(
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CONF_BUFFER_DURATION, default="100ms"
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): cv.positive_time_period_milliseconds,
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cv.SplitDefault(CONF_TASK_STACK_IN_PSRAM, esp32_idf=False): cv.All(
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cv.boolean, cv.only_with_esp_idf
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),
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cv.Optional(CONF_FILTERS, default=16): cv.int_range(min=2, max=1024),
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cv.Optional(CONF_TAPS, default=16): _validate_taps,
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}
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).extend(cv.COMPONENT_SCHEMA),
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cv.only_on([PLATFORM_ESP32]),
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_set_stream_limits,
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)
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FINAL_VALIDATE_SCHEMA = _validate_audio_compatability
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async def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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await cg.register_component(var, config)
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await speaker.register_speaker(var, config)
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output_spkr = await cg.get_variable(config[CONF_OUTPUT_SPEAKER])
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cg.add(var.set_output_speaker(output_spkr))
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cg.add(var.set_buffer_duration(config[CONF_BUFFER_DURATION]))
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if task_stack_in_psram := config.get(CONF_TASK_STACK_IN_PSRAM):
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cg.add(var.set_task_stack_in_psram(task_stack_in_psram))
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if task_stack_in_psram:
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if config[CONF_TASK_STACK_IN_PSRAM]:
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esp32.add_idf_sdkconfig_option(
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"CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY", True
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)
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cg.add(var.set_target_bits_per_sample(config[CONF_BITS_PER_SAMPLE]))
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cg.add(var.set_target_sample_rate(config[CONF_SAMPLE_RATE]))
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cg.add(var.set_filters(config[CONF_FILTERS]))
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cg.add(var.set_taps(config[CONF_TAPS]))
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