Add empty 3 band splitting filter API
This is only an empty API that will never be used. For now is 48kHz not supported in AudioProcessing. For that it needs to be added in InitializeLocked. But before the 3 band filter bank needs to be populated. BUG=webrtc:3146 R=bjornv@webrtc.org, kwiberg@webrtc.org Review URL: https://webrtc-codereview.appspot.com/30139004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@7715 4adac7df-926f-26a2-2b94-8c16560cd09d
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@ -262,7 +262,8 @@ int AudioProcessingImpl::InitializeLocked(int input_sample_rate_hz,
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// demonstrated to work well for AEC in most practical scenarios.
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rev_proc_format_.set(rev_proc_rate, 1);
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if (fwd_proc_format_.rate() == kSampleRate32kHz) {
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if (fwd_proc_format_.rate() == kSampleRate32kHz ||
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fwd_proc_format_.rate() == kSampleRate48kHz) {
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split_rate_ = kSampleRate16kHz;
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} else {
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split_rate_ = fwd_proc_format_.rate();
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@ -404,7 +405,8 @@ int AudioProcessingImpl::ProcessStream(AudioFrame* frame) {
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// Must be a native rate.
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if (frame->sample_rate_hz_ != kSampleRate8kHz &&
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frame->sample_rate_hz_ != kSampleRate16kHz &&
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frame->sample_rate_hz_ != kSampleRate32kHz) {
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frame->sample_rate_hz_ != kSampleRate32kHz &&
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frame->sample_rate_hz_ != kSampleRate48kHz) {
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return kBadSampleRateError;
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}
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if (echo_control_mobile_->is_enabled() &&
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@ -540,7 +542,8 @@ int AudioProcessingImpl::AnalyzeReverseStream(AudioFrame* frame) {
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// Must be a native rate.
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if (frame->sample_rate_hz_ != kSampleRate8kHz &&
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frame->sample_rate_hz_ != kSampleRate16kHz &&
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frame->sample_rate_hz_ != kSampleRate32kHz) {
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frame->sample_rate_hz_ != kSampleRate32kHz &&
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frame->sample_rate_hz_ != kSampleRate48kHz) {
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return kBadSampleRateError;
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}
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// This interface does not tolerate different forward and reverse rates.
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@ -775,14 +778,16 @@ bool AudioProcessingImpl::output_copy_needed(bool is_data_processed) const {
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}
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bool AudioProcessingImpl::synthesis_needed(bool is_data_processed) const {
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return (is_data_processed && fwd_proc_format_.rate() == kSampleRate32kHz);
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return (is_data_processed && (fwd_proc_format_.rate() == kSampleRate32kHz ||
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fwd_proc_format_.rate() == kSampleRate48kHz));
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}
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bool AudioProcessingImpl::analysis_needed(bool is_data_processed) const {
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if (!is_data_processed && !voice_detection_->is_enabled()) {
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// Only level_estimator_ is enabled.
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return false;
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} else if (fwd_proc_format_.rate() == kSampleRate32kHz) {
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} else if (fwd_proc_format_.rate() == kSampleRate32kHz ||
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fwd_proc_format_.rate() == kSampleRate48kHz) {
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// Something besides level_estimator_ is enabled, and we have super-wb.
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return true;
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}
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