本文整理汇总了C++中AudioSegment::RemoveLeading方法的典型用法代码示例。如果您正苦于以下问题：C++ AudioSegment::RemoveLeading方法的具体用法？C++ AudioSegment::RemoveLeading怎么用？C++ AudioSegment::RemoveLeading使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类AudioSegment的用法示例。
在下文中一共展示了AudioSegment::RemoveLeading方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: buffer
nsresult
OMXAudioEncoder::Encode(AudioSegment& aSegment, int aInputFlags,
bool* aSendEOS)
{
#ifndef MOZ_SAMPLE_TYPE_S16
#error MediaCodec accepts only 16-bit PCM data.
#endif
MOZ_ASSERT(mStarted, "Configure() should be called before Encode().");
size_t numSamples = aSegment.GetDuration();
// Get input buffer.
InputBufferHelper buffer(mCodec, mInputBufs, *this, aInputFlags);
status_t result = buffer.Dequeue();
if (result == -EAGAIN) {
// All input buffers are full. Caller can try again later after consuming
// some output buffers.
return NS_OK;
}
NS_ENSURE_TRUE(result == OK, NS_ERROR_FAILURE);
size_t sourceSamplesCopied = 0; // Number of copied samples.
if (numSamples > 0) {
// Copy input PCM data to input buffer until queue is empty.
AudioSegment::ChunkIterator iter(const_cast<AudioSegment&>(aSegment));
while (!iter.IsEnded()) {
BufferState result = buffer.ReadChunk(*iter, &sourceSamplesCopied);
if (result == WAIT_FOR_NEW_BUFFER) {
// All input buffers are full. Caller can try again later after
// consuming some output buffers.
aSegment.RemoveLeading(sourceSamplesCopied);
return NS_OK;
} else if (result == BUFFER_FAIL) {
return NS_ERROR_FAILURE;
} else {
iter.Next();
}
}
// Remove the samples already been copied into buffer
if (sourceSamplesCopied > 0) {
aSegment.RemoveLeading(sourceSamplesCopied);
}
} else if (aInputFlags & BUFFER_EOS) {
buffer.SendEOSToBuffer(&sourceSamplesCopied);
}
// Enqueue the remaining data to buffer
MOZ_ASSERT(sourceSamplesCopied > 0, "No data needs to be enqueued!");
int flags = aInputFlags;
if (aSegment.GetDuration() > 0) {
// Don't signal EOS until source segment is empty.
flags &= ~BUFFER_EOS;
}
result = buffer.Enqueue(mTimestamp, flags);
NS_ENSURE_TRUE(result == OK, NS_ERROR_FAILURE);
if (aSendEOS && (aInputFlags & BUFFER_EOS)) {
*aSendEOS = true;
}
return NS_OK;
}