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bestsource: Switch to GetPackedAudio()

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After vapoursynth/bestsource#7 , BestSource now has a function to
get the packed audio instead, so we just use that directly.
This commit is contained in:
arch1t3cht 2022-08-15 03:04:07 +02:00
parent 6af0b41f47
commit 4a5a212f35
1 changed files with 1 additions and 30 deletions
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31
src/audio_provider_bestsource.cpp
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@ -75,37 +75,8 @@ catch (AudioException const& err) {
throw agi::AudioProviderError("Failed to create BestAudioSource");
}
// Taken from BestSource code and reversed
template<typename T>
static void PackChannels(const uint8_t *Src, void *Dst, size_t Length, size_t Channels) {
const T *S = reinterpret_cast<const T *>(Src);
T *D = reinterpret_cast<T *>(Dst);
for (size_t i = 0; i < Length; i++) {
for (size_t c = 0; c < Channels; c++)
D[c] = S[Length * c];
S += 1;
D += Channels;
}
}
void BSAudioProvider::FillBuffer(void *Buf, int64_t Start, int64_t Count) const {
// BS unpacked the channels, so until it gets a feature to disable that, let's just
// pack them in the same way they were unpacked
std::vector<uint8_t> unpacked_buf(channels * bytes_per_sample * Count);
std::vector<uint8_t *> bufs(channels);
for (int i = 0; i < channels; i++) {
bufs[i] = unpacked_buf.data() + i * bytes_per_sample * Count;
}
const_cast<BestAudioSource &>(bs).GetAudio(bufs.data(), Start, Count);
if (bytes_per_sample == 1)
PackChannels<uint8_t>(unpacked_buf.data(), Buf, Count, channels);
else if (bytes_per_sample == 2)
PackChannels<uint16_t>(unpacked_buf.data(), Buf, Count, channels);
else if (bytes_per_sample == 4)
PackChannels<uint32_t>(unpacked_buf.data(), Buf, Count, channels);
else if (bytes_per_sample == 8)
PackChannels<uint64_t>(unpacked_buf.data(), Buf, Count, channels);
const_cast<BestAudioSource &>(bs).GetPackedAudio(reinterpret_cast<uint8_t *>(Buf), Start, Count);
}
}