virtual boost::unique_future<bool> send(const safe_ptr<core::read_frame>& frame) override
{
CASPAR_VERIFY(format_desc_.height * format_desc_.width * 4 == static_cast<unsigned>(frame->image_data().size()));
return executor_.begin_invoke([=]() -> bool
{
graph_->set_value("tick-time", tick_timer_.elapsed() * format_desc_.fps * 0.5);
tick_timer_.restart();
frame_timer_.restart();
// AUDIO
std::vector<int16_t, tbb::cache_aligned_allocator<int16_t>> audio_buffer;
if (core::needs_rearranging(
frame->multichannel_view(),
channel_layout_,
channel_layout_.num_channels))
{
core::audio_buffer downmixed;
downmixed.resize(
frame->multichannel_view().num_samples()
* channel_layout_.num_channels,
0);
auto dest_view = core::make_multichannel_view<int32_t>(
downmixed.begin(), downmixed.end(), channel_layout_);
core::rearrange_or_rearrange_and_mix(
frame->multichannel_view(),
dest_view,
core::default_mix_config_repository());
audio_buffer = core::audio_32_to_16(downmixed);
}
else
{
audio_buffer = core::audio_32_to_16(frame->audio_data());
}
airsend::add_audio(air_send_.get(), audio_buffer.data(), audio_buffer.size() / channel_layout_.num_channels);
// VIDEO
connected_ = airsend::add_frame_bgra(air_send_.get(), frame->image_data().begin());
graph_->set_text(print());
graph_->set_value("frame-time", frame_timer_.elapsed() * format_desc_.fps * 0.5);
return true;
});
}
virtual boost::unique_future<bool> send(const safe_ptr<core::read_frame>& frame) override
{
auto buffer = std::make_shared<audio_buffer_16>(
core::audio_32_to_16(core::get_rearranged_and_mixed(frame->multichannel_view(), channel_layout_, channel_layout_.num_channels)));
if (!input_.try_push(std::make_pair(frame, buffer)))
graph_->set_tag("dropped-frame");
if (Status() != Playing && !started_)
{
sf::SoundStream::Initialize(2, format_desc_.audio_sample_rate);
Play();
started_ = true;
}
return wrap_as_future(is_running_.load());
}