get_channel_frames() [2/2]

std::span< const double > MayaFlux::Kakshya::DynamicSoundStream::get_channel_frames	(	uint32_t	channel,
		uint64_t	start_frame,
		uint64_t	num_frames
	)		const

Get the fixed capacity of the circular buffer if enabled.

Returns

Capacity in frames if circular mode is active, 0 otherwise

Definition at line 231 of file DynamicSoundStream.cpp.

{
    if (channel >= get_num_channels()) {
        return {};
    }
 
    if (m_structure.organization == OrganizationStrategy::INTERLEAVED) {
        std::cerr << "Direct span access not supported for interleaved data. Use get_frames() or Kakshya::extract_channel_data() instead." << '\n';
        return {};
    }
 
    std::shared_lock lock(m_data_mutex);
 
    if (channel >= m_data.size()) {
        return {};
    }
 
    const auto& channel_data = std::get<std::vector<double>>(m_data[channel]);
 
    if (start_frame >= channel_data.size()) {
        return {};
    }
 
    uint64_t available_frames = channel_data.size() - start_frame;
    uint64_t actual_frames = std::min(num_frames, available_frames);
 
    return { channel_data.data() + start_frame, actual_frames };
}

References MayaFlux::Kakshya::SoundStreamContainer::channel_data(), MayaFlux::Kakshya::SoundStreamContainer::get_num_channels(), MayaFlux::Kakshya::INTERLEAVED, MayaFlux::Kakshya::SoundStreamContainer::lock(), MayaFlux::Kakshya::SoundStreamContainer::m_data, MayaFlux::Kakshya::SoundStreamContainer::m_data_mutex, MayaFlux::Kakshya::SoundStreamContainer::m_structure, and MayaFlux::Kakshya::ContainerDataStructure::organization.

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