diff options
| author | swurl <swurl@swurl.xyz> | 2025-05-31 02:33:02 -0400 |
|---|---|---|
| committer | swurl <swurl@swurl.xyz> | 2025-05-31 02:33:02 -0400 |
| commit | 6c655321e6b04b8648802e296bb5ca11d290ae68 (patch) | |
| tree | 5c906511e4a2910ce8b806bb9d763b524c28619e /externals/oboe/samples/parselib/src/main/cpp/wav/WavFmtChunkHeader.cpp | |
| parent | c0cceff365f754f8859f4c9a0362ebdba7ea388b (diff) | |
Move dead submodules in-tree
Signed-off-by: swurl <swurl@swurl.xyz>
Diffstat (limited to 'externals/oboe/samples/parselib/src/main/cpp/wav/WavFmtChunkHeader.cpp')
| -rw-r--r-- | externals/oboe/samples/parselib/src/main/cpp/wav/WavFmtChunkHeader.cpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/externals/oboe/samples/parselib/src/main/cpp/wav/WavFmtChunkHeader.cpp b/externals/oboe/samples/parselib/src/main/cpp/wav/WavFmtChunkHeader.cpp new file mode 100644 index 0000000000..233e93334c --- /dev/null +++ b/externals/oboe/samples/parselib/src/main/cpp/wav/WavFmtChunkHeader.cpp @@ -0,0 +1,75 @@ +/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * 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.
+ */
+#include <android/log.h>
+
+#include "stream/InputStream.h"
+
+#include "WavFmtChunkHeader.h"
+
+static const char *TAG = "WavFmtChunkHeader";
+
+namespace parselib {
+
+const RiffID WavFmtChunkHeader::RIFFID_FMT = makeRiffID('f', 'm', 't', ' ');
+
+WavFmtChunkHeader::WavFmtChunkHeader() : WavChunkHeader(RIFFID_FMT) {
+ mEncodingId = ENCODING_PCM;
+ mNumChannels = 0;
+ mSampleRate = 0;
+ mAveBytesPerSecond = 0;
+ mBlockAlign = 0;
+ mSampleSize = 0;
+ mExtraBytes = 0;
+}
+
+WavFmtChunkHeader::WavFmtChunkHeader(RiffID tag) : WavChunkHeader(tag) {
+ mEncodingId = ENCODING_PCM;
+ mNumChannels = 0;
+ mSampleRate = 0;
+ mAveBytesPerSecond = 0;
+ mBlockAlign = 0;
+ mSampleSize = 0;
+ mExtraBytes = 0;
+}
+
+void WavFmtChunkHeader::normalize() {
+ if (mEncodingId == ENCODING_PCM || mEncodingId == ENCODING_IEEE_FLOAT) {
+ mBlockAlign = (short) (mNumChannels * (mSampleSize / 8));
+ mAveBytesPerSecond = mSampleRate * mBlockAlign;
+ mExtraBytes = 0;
+ } else {
+ //hmmm....
+ }
+}
+
+void WavFmtChunkHeader::read(InputStream *stream) {
+ WavChunkHeader::read(stream);
+ stream->read(&mEncodingId, sizeof(mEncodingId));
+ stream->read(&mNumChannels, sizeof(mNumChannels));
+ stream->read(&mSampleRate, sizeof(mSampleRate));
+ stream->read(&mAveBytesPerSecond, sizeof(mAveBytesPerSecond));
+ stream->read(&mBlockAlign, sizeof(mBlockAlign));
+ stream->read(&mSampleSize, sizeof(mSampleSize));
+
+ if (mEncodingId != ENCODING_PCM && mEncodingId != ENCODING_IEEE_FLOAT) {
+ // only read this if NOT PCM
+ stream->read(&mExtraBytes, sizeof(mExtraBytes));
+ } else {
+ mExtraBytes = (short) (mChunkSize - 16);
+ }
+}
+
+} // namespace parselib
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