# Copyright 2017 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Helpers for ALSA tools, including aplay and arecord."""


def sample_width_to_string(sample_width):
    """Convert sample width (bytes) to ALSA format string."""
    return {1: 's8', 2: 's16', 4: 's32'}[sample_width]

# Copyright 2017 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Helpers for ALSA tools, including aplay and arecord."""


def sample_width_to_string(sample_width):
    """Convert sample width (bytes) to ALSA format string."""
    return {1: 's8', 2: 's16', 4: 's32'}.get(sample_width, None)

Return None with invalid sample_width from sample_width_to_string.
Return None with invalid sample_width from sample_width_to_string.
