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WebRTC APM: Add missing channel format check

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The check was lost  in CL https://webrtc-review.googlesource.com/c/src/+/276920

Bug: webrtc:5298
Change-Id: Ic5f072ebef4ad0bdef5446cad0536728b4ad610e
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/284560
Reviewed-by: Per Åhgren <peah@webrtc.org>
Commit-Queue: Sam Zackrisson <saza@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38746}
This commit is contained in:
Sam Zackrisson 2022-11-21 16:32:42 +01:00 committed by WebRTC LUCI CQ
parent 7daa6787fa
commit 06cba44d7a
2 changed files with 22 additions and 0 deletions

12
modules/audio_processing/audio_processing_impl.cc
View file

@ -201,10 +201,22 @@ std::pair<int, FormatErrorOutputOption> ChooseErrorOutputOption(
AudioFormatValidity input_validity = ValidateAudioFormat(input_config);
AudioFormatValidity output_validity = ValidateAudioFormat(output_config);
if (input_validity == AudioFormatValidity::kValidAndSupported &&
output_validity == AudioFormatValidity::kValidAndSupported &&
(output_config.num_channels() == 1 ||
output_config.num_channels() == input_config.num_channels())) {
return {AudioProcessing::kNoError, FormatErrorOutputOption::kDoNothing};
}
int error_code = AudioFormatValidityToErrorCode(input_validity);
if (error_code == AudioProcessing::kNoError) {
error_code = AudioFormatValidityToErrorCode(output_validity);
}
if (error_code == AudioProcessing::kNoError) {
// The individual formats are valid but there is some error - must be
// channel mismatch.
error_code = AudioProcessing::kBadNumberChannelsError;
}
FormatErrorOutputOption output_option;
if (output_validity != AudioFormatValidity::kValidAndSupported &&

10
modules/audio_processing/audio_processing_unittest.cc
View file

@ -3217,6 +3217,16 @@ INSTANTIATE_TEST_SUITE_P(
StreamConfig(16000, 3), StreamConfig(16000, 3),
ApmFormatHandlingTestParams::ExpectedOutput::kNoError},
// Supported but incompatible formats.
ApmFormatHandlingTestParams{
StreamConfig(16000, 3), StreamConfig(16000, 2),
ApmFormatHandlingTestParams::ExpectedOutput::
kErrorAndCopyOfFirstChannel},
ApmFormatHandlingTestParams{
StreamConfig(16000, 3), StreamConfig(16000, 4),
ApmFormatHandlingTestParams::ExpectedOutput::
kErrorAndCopyOfFirstChannel},
// Unsupported format and input / output mismatch.
ApmFormatHandlingTestParams{
StreamConfig(7900, 1), StreamConfig(16000, 1),