#pragma warning (push)
#pragma warning (disable : 4244)
#endif
-extern "C"
+extern "C"
{
#define __STDC_CONSTANT_MACROS
#define __STDC_LIMIT_MACROS
#include <common/assert.h>
#include <boost/range/algorithm_ext/push_back.hpp>
#include <boost/algorithm/string/predicate.hpp>
+#include <boost/thread/mutex.hpp>
+#include <boost/optional.hpp>
#include <deque>
#include <queue>
using namespace caspar::core;
namespace caspar { namespace ffmpeg {
-
-bool is_frame_format_changed(const AVFrame& lhs, const AVFrame& rhs)
+struct av_frame_format
{
- if (lhs.format != rhs.format)
- return true;
+ int pix_format;
+ std::array<int, AV_NUM_DATA_POINTERS> line_sizes;
+ int width;
+ int height;
+
+ av_frame_format(const AVFrame& frame)
+ : pix_format(frame.format)
+ , width(frame.width)
+ , height(frame.height)
+ {
+ boost::copy(frame.linesize, line_sizes.begin());
+ }
- for (int i = 0; i < AV_NUM_DATA_POINTERS; ++i)
+ bool operator==(const av_frame_format& other) const
{
- if (lhs.linesize[i] != rhs.linesize[i])
- return true;
+ return pix_format == other.pix_format
+ && line_sizes == other.line_sizes
+ && width == other.width
+ && height == other.height;
}
- return false;
-}
-
+ bool operator!=(const av_frame_format& other) const
+ {
+ return !(*this == other);
+ }
+};
+
struct frame_muxer::impl : boost::noncopyable
-{
- std::queue<core::mutable_frame> video_stream_;
- core::mutable_audio_buffer audio_stream_;
- std::queue<draw_frame> frame_buffer_;
+{
+ std::queue<std::queue<core::mutable_frame>> video_streams_;
+ std::queue<core::mutable_audio_buffer> audio_streams_;
+ std::queue<core::draw_frame> frame_buffer_;
display_mode display_mode_ = display_mode::invalid;
- const double in_fps_;
+ const boost::rational<int> in_framerate_;
const video_format_desc format_desc_;
- audio_channel_layout channel_layout_;
-
+ const audio_channel_layout audio_channel_layout_;
+
std::vector<int> audio_cadence_ = format_desc_.audio_cadence;
-
+
spl::shared_ptr<core::frame_factory> frame_factory_;
- std::shared_ptr<AVFrame> previous_frame_;
+ boost::optional<av_frame_format> previously_filtered_frame_;
std::unique_ptr<filter> filter_;
const std::wstring filter_str_;
- bool force_deinterlacing_ = env::properties().get(L"configuration.force-deinterlace", true);
-
+ const bool multithreaded_filter_;
+ bool force_deinterlacing_ = env::properties().get(L"configuration.force-deinterlace", false);
+
+ mutable boost::mutex out_framerate_mutex_;
+ boost::rational<int> out_framerate_;
+
impl(
- double in_fps,
+ boost::rational<int> in_framerate,
const spl::shared_ptr<core::frame_factory>& frame_factory,
const core::video_format_desc& format_desc,
const core::audio_channel_layout& channel_layout,
- const std::wstring& filter_str)
- : in_fps_(in_fps)
+ const std::wstring& filter_str,
+ bool multithreaded_filter)
+ : in_framerate_(in_framerate)
, format_desc_(format_desc)
- , channel_layout_(channel_layout)
+ , audio_channel_layout_(channel_layout)
, frame_factory_(frame_factory)
, filter_str_(filter_str)
- {
- // Note: Uses 1 step rotated cadence for 1001 modes (1602, 1602, 1601, 1602, 1601)
- // This cadence fills the audio mixer most optimally.
- boost::range::rotate(audio_cadence_, std::end(audio_cadence_)-1);
+ , multithreaded_filter_(multithreaded_filter)
+ {
+ video_streams_.push(std::queue<core::mutable_frame>());
+ audio_streams_.push(core::mutable_audio_buffer());
+
+ set_out_framerate(in_framerate_);
}
-
- void push_video(const std::shared_ptr<AVFrame>& video)
- {
- if(!video)
+
+ void push(const std::shared_ptr<AVFrame>& video_frame)
+ {
+ if (!video_frame)
return;
- if (previous_frame_ && video->data[0] && is_frame_format_changed(*previous_frame_, *video))
+ av_frame_format current_frame_format(*video_frame);
+
+ if (previously_filtered_frame_ && video_frame->data[0] && *previously_filtered_frame_ != current_frame_format)
{
// Fixes bug where avfilter crashes server on some DV files (starts in YUV420p but changes to YUV411p after the first frame).
if (ffmpeg::is_logging_quiet_for_thread())
CASPAR_LOG(info) << L"[frame_muxer] Frame format has changed. Resetting display mode.";
display_mode_ = display_mode::invalid;
+ filter_.reset();
+ previously_filtered_frame_ = boost::none;
}
- if(!video->data[0])
+ if (video_frame == flush_video())
{
- auto empty_frame = frame_factory_->create_frame(this, core::pixel_format_desc(core::pixel_format::invalid), channel_layout_);
- video_stream_.push(std::move(empty_frame));
+ video_streams_.push(std::queue<core::mutable_frame>());
+ }
+ else if (video_frame == empty_video())
+ {
+ video_streams_.back().push(frame_factory_->create_frame(this, core::pixel_format::invalid, audio_channel_layout_));
display_mode_ = display_mode::simple;
}
else
{
- if(!filter_ || display_mode_ == display_mode::invalid)
- update_display_mode(video);
-
- filter_->push(video);
- previous_frame_ = video;
- for (auto& av_frame : filter_->poll_all())
- video_stream_.push(make_frame(this, av_frame, *frame_factory_, channel_layout_));
+ if (!filter_ || display_mode_ == display_mode::invalid)
+ update_display_mode(video_frame);
+
+ if (filter_)
+ {
+ filter_->push(video_frame);
+ previously_filtered_frame_ = current_frame_format;
+
+ for (auto& av_frame : filter_->poll_all())
+ video_streams_.back().push(make_frame(this, av_frame, *frame_factory_, audio_channel_layout_));
+ }
}
- merge();
+ if (video_streams_.back().size() > 32)
+ CASPAR_THROW_EXCEPTION(invalid_operation() << source_info("frame_muxer") << msg_info("video-stream overflow. This can be caused by incorrect frame-rate. Check clip meta-data."));
}
- void push_audio(const std::shared_ptr<AVFrame>& audio)
+ void push(const std::shared_ptr<core::mutable_audio_buffer>& audio)
{
- if(!audio)
+ if (!audio)
return;
- if(!audio->data[0])
+ if (audio == flush_audio())
{
- if (channel_layout_ == core::audio_channel_layout::invalid())
- channel_layout_ = *core::audio_channel_layout_repository::get_default()->get_layout(L"stereo");
-
- boost::range::push_back(audio_stream_, core::mutable_audio_buffer(audio_cadence_.front() * channel_layout_.num_channels, 0));
+ audio_streams_.push(core::mutable_audio_buffer());
+ }
+ else if (audio == empty_audio())
+ {
+ boost::range::push_back(audio_streams_.back(), core::mutable_audio_buffer(audio_cadence_.front() * audio_channel_layout_.num_channels, 0));
}
else
{
- auto ptr = reinterpret_cast<int32_t*>(audio->data[0]);
- audio_stream_.insert(audio_stream_.end(), ptr, ptr + audio->linesize[0]/sizeof(int32_t));
+ boost::range::push_back(audio_streams_.back(), *audio);
}
- merge();
+ if (audio_streams_.back().size() > 32 * audio_cadence_.front() * audio_channel_layout_.num_channels)
+ BOOST_THROW_EXCEPTION(invalid_operation() << source_info("frame_muxer") << msg_info("audio-stream overflow. This can be caused by incorrect frame-rate. Check clip meta-data."));
}
-
+
bool video_ready() const
{
- switch(display_mode_)
- {
- case display_mode::deinterlace_bob_reinterlace:
- case display_mode::interlace:
- case display_mode::half:
- return video_stream_.size() >= 2;
- default:
- return video_stream_.size() >= 1;
- }
+ return video_streams_.size() > 1 || (video_streams_.size() >= audio_streams_.size() && video_ready2());
}
-
+
bool audio_ready() const
{
- switch(display_mode_)
- {
- case display_mode::duplicate:
- return audio_stream_.size() >= static_cast<size_t>(audio_cadence_[0] + audio_cadence_[1 % audio_cadence_.size()]) * channel_layout_.num_channels;
- default:
- return audio_stream_.size() >= static_cast<size_t>(audio_cadence_.front()) * channel_layout_.num_channels;
- }
+ return audio_streams_.size() > 1 || (audio_streams_.size() >= video_streams_.size() && audio_ready2());
}
- bool empty() const
+ bool video_ready2() const
{
- return frame_buffer_.empty();
+ return video_streams_.front().size() >= 1;
}
- core::draw_frame front() const
+ bool audio_ready2() const
{
- return frame_buffer_.front();
+ return audio_streams_.front().size() >= audio_cadence_.front() * audio_channel_layout_.num_channels;
}
- void pop()
- {
- frame_buffer_.pop();
- }
-
- void merge()
+ core::draw_frame poll()
{
- while(video_ready() && audio_ready() && display_mode_ != display_mode::invalid)
- {
- auto frame1 = pop_video();
- frame1.audio_data() = pop_audio();
+ if (!frame_buffer_.empty())
+ {
+ auto frame = frame_buffer_.front();
+ frame_buffer_.pop();
+ return frame;
+ }
- switch(display_mode_)
- {
- case display_mode::simple:
- case display_mode::deinterlace_bob:
- case display_mode::deinterlace:
- {
- frame_buffer_.push(core::draw_frame(std::move(frame1)));
- break;
- }
- case display_mode::interlace:
- case display_mode::deinterlace_bob_reinterlace:
- {
- auto frame2 = pop_video();
-
- frame_buffer_.push(core::draw_frame::interlace(
- core::draw_frame(std::move(frame1)),
- core::draw_frame(std::move(frame2)),
- format_desc_.field_mode));
- break;
- }
- case display_mode::duplicate:
- {
- //boost::range::push_back(frame1.audio_data(), pop_audio());
-
- auto second_audio_frame = core::mutable_frame(
- std::vector<array<std::uint8_t>>(),
- pop_audio(),
- frame1.stream_tag(),
- core::pixel_format_desc(),
- channel_layout_);
- auto first_frame = core::draw_frame(std::move(frame1));
- auto muted_first_frame = core::draw_frame(first_frame);
- muted_first_frame.transform().audio_transform.volume = 0;
- auto second_frame = core::draw_frame({ core::draw_frame(std::move(second_audio_frame)), muted_first_frame });
-
- // Same video but different audio.
- frame_buffer_.push(first_frame);
- frame_buffer_.push(second_frame);
- break;
- }
- case display_mode::half:
- {
- pop_video(); // Throw away
-
- frame_buffer_.push(core::draw_frame(std::move(frame1)));
- break;
- }
- default:
- CASPAR_THROW_EXCEPTION(invalid_operation());
- }
+ if (video_streams_.size() > 1 && audio_streams_.size() > 1 && (!video_ready2() || !audio_ready2()))
+ {
+ if (!video_streams_.front().empty() || !audio_streams_.front().empty())
+ CASPAR_LOG(trace) << "Truncating: " << video_streams_.front().size() << L" video-frames, " << audio_streams_.front().size() << L" audio-samples.";
+
+ video_streams_.pop();
+ audio_streams_.pop();
}
+
+ if (!video_ready2() || !audio_ready2() || display_mode_ == display_mode::invalid)
+ return core::draw_frame::empty();
+
+ auto frame = pop_video();
+ frame.audio_data() = pop_audio();
+
+ frame_buffer_.push(core::draw_frame(std::move(frame)));
+
+ return frame_buffer_.empty() ? core::draw_frame::empty() : poll();
}
-
+
core::mutable_frame pop_video()
{
- auto frame = std::move(video_stream_.front());
- video_stream_.pop();
- return std::move(frame);
+ auto frame = std::move(video_streams_.front().front());
+ video_streams_.front().pop();
+ return frame;
}
core::mutable_audio_buffer pop_audio()
{
- if (audio_stream_.size() < audio_cadence_.front() * channel_layout_.num_channels)
- CASPAR_THROW_EXCEPTION(out_of_range());
+ CASPAR_VERIFY(audio_streams_.front().size() >= audio_cadence_.front() * audio_channel_layout_.num_channels);
- auto begin = audio_stream_.begin();
- auto end = begin + audio_cadence_.front() * channel_layout_.num_channels;
+ auto begin = audio_streams_.front().begin();
+ auto end = begin + (audio_cadence_.front() * audio_channel_layout_.num_channels);
core::mutable_audio_buffer samples(begin, end);
- audio_stream_.erase(begin, end);
-
- boost::range::rotate(audio_cadence_, std::begin(audio_cadence_)+1);
+ audio_streams_.front().erase(begin, end);
+
+ boost::range::rotate(audio_cadence_, std::begin(audio_cadence_) + 1);
return samples;
}
-
+
+ uint32_t calc_nb_frames(uint32_t nb_frames) const
+ {
+ uint64_t nb_frames2 = nb_frames;
+
+ if(filter_ && filter_->is_double_rate()) // Take into account transformations in filter.
+ nb_frames2 *= 2;
+
+ return static_cast<uint32_t>(nb_frames2);
+ }
+
+ boost::rational<int> out_framerate() const
+ {
+ boost::lock_guard<boost::mutex> lock(out_framerate_mutex_);
+
+ return out_framerate_;
+ }
+private:
void update_display_mode(const std::shared_ptr<AVFrame>& frame)
{
- std::wstring filter_str = filter_str_;
+ std::wstring filter_str = filter_str_;
display_mode_ = display_mode::simple;
auto mode = get_mode(*frame);
- if(mode == core::field_mode::progressive && frame->height < 720 && in_fps_ < 50.0) // SD frames are interlaced. Probably incorrect meta-data. Fix it.
+ if (mode == core::field_mode::progressive && frame->height < 720 && in_framerate_ < 50) // SD frames are interlaced. Probably incorrect meta-data. Fix it.
mode = core::field_mode::upper;
- auto fps = in_fps_;
-
- if(filter::is_deinterlacing(filter_str_))
- mode = core::field_mode::progressive;
-
- if(filter::is_double_rate(filter_str_))
- fps *= 2;
-
- display_mode_ = get_display_mode(mode, fps, format_desc_.field_mode, format_desc_.fps);
-
- if((frame->height != 480 || format_desc_.height != 486) && // don't deinterlace for NTSC DV
- display_mode_ == display_mode::simple && mode != core::field_mode::progressive && format_desc_.field_mode != core::field_mode::progressive &&
- frame->height != format_desc_.height)
+ if (filter::is_deinterlacing(filter_str_))
+ {
+ display_mode_ = display_mode::simple;
+ }
+ else if (mode != core::field_mode::progressive)
{
- display_mode_ = display_mode::deinterlace_bob_reinterlace; // The frame will most likely be scaled, we need to deinterlace->reinterlace
+ if (force_deinterlacing_)
+ {
+ display_mode_ = display_mode::deinterlace_bob;
+ }
+ else
+ {
+ bool output_also_interlaced = format_desc_.field_mode != core::field_mode::progressive;
+ bool interlaced_output_compatible =
+ output_also_interlaced
+ && (
+ (frame->height == 480 && format_desc_.height == 486) // don't deinterlace for NTSC DV
+ || frame->height == format_desc_.height
+ )
+ && in_framerate_ == format_desc_.framerate;
+
+ display_mode_ = interlaced_output_compatible ? display_mode::simple : display_mode::deinterlace_bob;
+ }
}
- // ALWAYS de-interlace, until we have GPU de-interlacing.
- if(force_deinterlacing_ && frame->interlaced_frame && display_mode_ != display_mode::deinterlace_bob && display_mode_ != display_mode::deinterlace)
- display_mode_ = display_mode::deinterlace_bob_reinterlace;
-
- if(display_mode_ == display_mode::deinterlace)
- filter_str = append_filter(filter_str, L"YADIF=0:-1");
- else if(display_mode_ == display_mode::deinterlace_bob || display_mode_ == display_mode::deinterlace_bob_reinterlace)
+ if (display_mode_ == display_mode::deinterlace_bob)
filter_str = append_filter(filter_str, L"YADIF=1:-1");
- if(display_mode_ == display_mode::invalid)
- {
- if (ffmpeg::is_logging_quiet_for_thread())
- CASPAR_LOG(debug) << L"[frame_muxer] Auto-transcode: Failed to detect display-mode.";
- else
- CASPAR_LOG(warning) << L"[frame_muxer] Auto-transcode: Failed to detect display-mode.";
+ auto out_framerate = in_framerate_;
- display_mode_ = display_mode::simple;
- }
+ if (filter::is_double_rate(filter_str))
+ out_framerate *= 2;
- if(frame->height == 480) // NTSC DV
+ if (frame->height == 480) // NTSC DV
{
auto pad_str = L"PAD=" + boost::lexical_cast<std::wstring>(frame->width) + L":486:0:2:black";
filter_str = append_filter(filter_str, pad_str);
}
filter_.reset (new filter(
- frame->width,
- frame->height,
- boost::rational<int>(1000000, static_cast<int>(in_fps_ * 1000000)),
- boost::rational<int>(static_cast<int>(in_fps_ * 1000000), 1000000),
- boost::rational<int>(frame->sample_aspect_ratio.num, frame->sample_aspect_ratio.den),
- static_cast<AVPixelFormat>(frame->format),
- std::vector<AVPixelFormat>(),
- u8(filter_str)));
+ frame->width,
+ frame->height,
+ 1 / in_framerate_,
+ in_framerate_,
+ boost::rational<int>(frame->sample_aspect_ratio.num, frame->sample_aspect_ratio.den),
+ static_cast<AVPixelFormat>(frame->format),
+ std::vector<AVPixelFormat>(),
+ u8(filter_str)));
+
+ set_out_framerate(out_framerate);
+
+ auto in_fps = static_cast<double>(in_framerate_.numerator()) / static_cast<double>(in_framerate_.denominator());
if (ffmpeg::is_logging_quiet_for_thread())
- CASPAR_LOG(debug) << L"[frame_muxer] " << display_mode_ << L" " << print_mode(frame->width, frame->height, in_fps_, frame->interlaced_frame > 0);
+ CASPAR_LOG(debug) << L"[frame_muxer] " << display_mode_ << L" " << print_mode(frame->width, frame->height, in_fps, frame->interlaced_frame > 0);
else
- CASPAR_LOG(info) << L"[frame_muxer] " << display_mode_ << L" " << print_mode(frame->width, frame->height, in_fps_, frame->interlaced_frame > 0);
+ CASPAR_LOG(info) << L"[frame_muxer] " << display_mode_ << L" " << print_mode(frame->width, frame->height, in_fps, frame->interlaced_frame > 0);
}
-
- uint32_t calc_nb_frames(uint32_t nb_frames) const
- {
- uint64_t nb_frames2 = nb_frames;
-
- if(filter_ && filter_->is_double_rate()) // Take into account transformations in filter.
- nb_frames2 *= 2;
- switch(display_mode_) // Take into account transformation in run.
+ void merge()
+ {
+ while (video_ready() && audio_ready() && display_mode_ != display_mode::invalid)
{
- case display_mode::deinterlace_bob_reinterlace:
- case display_mode::interlace:
- case display_mode::half:
- nb_frames2 /= 2;
- break;
- case display_mode::duplicate:
- nb_frames2 *= 2;
- break;
- }
+ auto frame1 = pop_video();
+ frame1.audio_data() = pop_audio();
- return static_cast<uint32_t>(nb_frames2);
+ frame_buffer_.push(core::draw_frame(std::move(frame1)));
+ }
}
- void clear()
+ void set_out_framerate(boost::rational<int> out_framerate)
{
- while(!video_stream_.empty())
- video_stream_.pop();
+ boost::lock_guard<boost::mutex> lock(out_framerate_mutex_);
- audio_stream_.clear();
+ bool changed = out_framerate != out_framerate_;
+ out_framerate_ = std::move(out_framerate);
- while(!frame_buffer_.empty())
- frame_buffer_.pop();
-
- filter_.reset();
+ if (changed)
+ update_audio_cadence();
+ }
+
+ void update_audio_cadence()
+ {
+ audio_cadence_ = find_audio_cadence(out_framerate_);
+
+ // Note: Uses 1 step rotated cadence for 1001 modes (1602, 1602, 1601, 1602, 1601)
+ // This cadence fills the audio mixer most optimally.
+ boost::range::rotate(audio_cadence_, std::end(audio_cadence_) - 1);
}
};
frame_muxer::frame_muxer(
- double in_fps,
+ boost::rational<int> in_framerate,
const spl::shared_ptr<core::frame_factory>& frame_factory,
const core::video_format_desc& format_desc,
const core::audio_channel_layout& channel_layout,
- const std::wstring& filter)
- : impl_(new impl(in_fps, frame_factory, format_desc, channel_layout, filter)){}
-void frame_muxer::push_video(const std::shared_ptr<AVFrame>& frame){impl_->push_video(frame);}
-void frame_muxer::push_audio(const std::shared_ptr<AVFrame>& frame){impl_->push_audio(frame);}
-bool frame_muxer::empty() const{return impl_->empty();}
-core::draw_frame frame_muxer::front() const{return impl_->front();}
-void frame_muxer::pop(){return impl_->pop();}
-void frame_muxer::clear(){impl_->clear();}
+ const std::wstring& filter,
+ bool multithreaded_filter)
+ : impl_(new impl(in_framerate, frame_factory, format_desc, channel_layout, filter, multithreaded_filter)){}
+void frame_muxer::push(const std::shared_ptr<AVFrame>& video){impl_->push(video);}
+void frame_muxer::push(const std::shared_ptr<core::mutable_audio_buffer>& audio){impl_->push(audio);}
+core::draw_frame frame_muxer::poll(){return impl_->poll();}
uint32_t frame_muxer::calc_nb_frames(uint32_t nb_frames) const {return impl_->calc_nb_frames(nb_frames);}
bool frame_muxer::video_ready() const{return impl_->video_ready();}
bool frame_muxer::audio_ready() const{return impl_->audio_ready();}
-
-}}
\ No newline at end of file
+boost::rational<int> frame_muxer::out_framerate() const { return impl_->out_framerate(); }
+}}
projects / casparcg / blobdiff