\r
#include "ffmpeg_producer.h"\r
\r
+#include "frame_muxer.h"\r
#include "input.h"\r
+#include "util.h"\r
#include "audio/audio_decoder.h"\r
#include "video/video_decoder.h"\r
\r
-#include <common/utility/timer.h>\r
+#include <common/env.h>\r
+#include <common/utility/assert.h>\r
#include <common/diagnostics/graph.h>\r
\r
-#include <core/producer/frame/basic_frame.h>\r
-#include <core/mixer/write_frame.h>\r
-#include <core/producer/frame/audio_transform.h>\r
#include <core/video_format.h>\r
+#include <core/producer/frame_producer.h>\r
+#include <core/producer/frame/frame_factory.h>\r
+#include <core/producer/frame/basic_frame.h>\r
\r
-#include <common/env.h>\r
-\r
-#include <tbb/parallel_invoke.h>\r
-\r
+#include <boost/assign.hpp>\r
#include <boost/timer.hpp>\r
-#include <boost/range/algorithm.hpp>\r
-#include <boost/range/algorithm_ext.hpp>\r
+#include <boost/foreach.hpp>\r
+#include <boost/filesystem.hpp>\r
+#include <boost/range/algorithm/find_if.hpp>\r
+#include <boost/range/algorithm/find.hpp>\r
\r
-#include <deque>\r
+#include <tbb/parallel_invoke.h>\r
\r
namespace caspar {\r
- \r
+ \r
struct ffmpeg_producer : public core::frame_producer\r
{\r
- static const size_t DECODED_PACKET_BUFFER_SIZE = 4;\r
- static const size_t MAX_PACKET_OFFSET = 64; // Avoid infinite looping.\r
-\r
- const std::wstring filename_;\r
- const bool loop_;\r
+ const std::wstring filename_;\r
\r
- const safe_ptr<diagnostics::graph> graph_;\r
- boost::timer frame_timer_;\r
- \r
- std::deque<safe_ptr<core::write_frame>> video_frame_buffer_; \r
- std::deque<std::vector<short>> audio_chunk_buffer_;\r
- \r
- const safe_ptr<core::frame_factory> frame_factory_;\r
+ const safe_ptr<diagnostics::graph> graph_;\r
+ boost::timer frame_timer_;\r
+ boost::timer video_timer_;\r
+ boost::timer audio_timer_;\r
+ \r
+ const safe_ptr<core::frame_factory> frame_factory_;\r
+ const core::video_format_desc format_desc_;\r
+\r
+ input input_; \r
+ video_decoder video_decoder_;\r
+ audio_decoder audio_decoder_; \r
+ double fps_;\r
+ frame_muxer muxer_;\r
+\r
+ int late_frames_;\r
+ const int start_;\r
+ const bool loop_;\r
+ const size_t length_;\r
+\r
+ safe_ptr<core::basic_frame> last_frame_;\r
\r
- input input_; \r
- std::unique_ptr<video_decoder> video_decoder_;\r
- std::unique_ptr<audio_decoder> audio_decoder_;\r
+ const size_t width_;\r
+ const size_t height_;\r
+ bool is_progressive_;\r
+ \r
public:\r
- explicit ffmpeg_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename, bool loop, int start, int length) \r
+ explicit ffmpeg_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename, const std::wstring& filter, bool loop, int start, size_t length) \r
: filename_(filename)\r
- , loop_(loop) \r
- , graph_(diagnostics::create_graph(narrow(print())))\r
+ , graph_(diagnostics::create_graph([this]{return print();}))\r
, frame_factory_(frame_factory) \r
- , input_(safe_ptr<diagnostics::graph>(graph_), filename_, loop_, start)\r
+ , format_desc_(frame_factory->get_video_format_desc())\r
+ , input_(graph_, filename_, loop, start, length)\r
+ , video_decoder_(input_.context(), frame_factory, filter)\r
+ , audio_decoder_(input_.context(), frame_factory->get_video_format_desc())\r
+ , fps_(video_decoder_.fps())\r
+ , muxer_(fps_, frame_factory)\r
+ , late_frames_(0)\r
+ , start_(start)\r
+ , loop_(loop)\r
+ , length_(length)\r
+ , last_frame_(core::basic_frame::empty())\r
+ , width_(video_decoder_.width())\r
+ , height_(video_decoder_.height())\r
+ , is_progressive_(true)\r
{\r
graph_->add_guide("frame-time", 0.5);\r
- graph_->set_color("frame-time", diagnostics::color(1.0f, 0.0f, 0.0f));\r
- graph_->set_color("underflow", diagnostics::color(0.6f, 0.3f, 0.9f)); \r
- \r
- double frame_time = 1.0f/input_.fps();\r
- double format_frame_time = 1.0/frame_factory->get_video_format_desc().fps;\r
- if(abs(frame_time - format_frame_time) > 0.0001 && abs(frame_time - format_frame_time/2) > 0.0001)\r
- CASPAR_LOG(warning) << print() << L" Invalid framerate detected. This may cause distorted audio during playback. frame-time: " << frame_time;\r
-\r
- try\r
- { \r
- video_decoder_.reset(input_.get_video_codec_context() ? \r
- new video_decoder(*input_.get_video_codec_context(), frame_factory) : nullptr);\r
- }\r
- catch(...)\r
- {\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
- CASPAR_LOG(warning) << print() << " failed to initialize video-decoder.";\r
- }\r
+ graph_->set_color("frame-time", diagnostics::color(0.1f, 1.0f, 0.1f));\r
+ graph_->set_color("underflow", diagnostics::color(0.6f, 0.3f, 0.9f)); \r
\r
- try\r
- { \r
- audio_decoder_.reset(input_.get_audio_codec_context() ? \r
- new audio_decoder(*input_.get_audio_codec_context(), frame_factory->get_video_format_desc()) : nullptr);\r
- }\r
- catch(...)\r
- {\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
- CASPAR_LOG(warning) << print() << " failed to initialize audio-decoder.";\r
- } \r
-\r
- if(!video_decoder_ && !audio_decoder_)\r
- {\r
- BOOST_THROW_EXCEPTION(\r
- caspar_exception() <<\r
- source_info(narrow(print())) << \r
- msg_info("Failed to initialize any decoder"));\r
- }\r
- \r
- // Take some time to read the first packets\r
- Sleep(40);\r
-\r
- // Pre-roll since first frames can be heavy.\r
- while(video_frame_buffer_.size() < DECODED_PACKET_BUFFER_SIZE && \r
- audio_chunk_buffer_.size() < DECODED_PACKET_BUFFER_SIZE && \r
- input_.has_packet())\r
- {\r
- try_decode_packet();\r
- }\r
+ for(int n = 0; n < 32 && muxer_.empty(); ++n)\r
+ decode_frame(0);\r
}\r
-\r
- virtual safe_ptr<core::basic_frame> receive()\r
+ \r
+ virtual safe_ptr<core::basic_frame> receive(int hints)\r
{\r
+ auto frame = core::basic_frame::late();\r
+ \r
frame_timer_.restart();\r
-\r
- std::shared_ptr<core::basic_frame> frame; \r
- for(size_t n = 0; !frame && input_.has_packet() && n < MAX_PACKET_OFFSET ; ++n) \r
- frame = try_get_frame();\r
- \r
- graph_->update_value("frame-time", static_cast<float>(frame_timer_.elapsed()*frame_factory_->get_video_format_desc().fps*0.5));\r
- \r
- if(frame)\r
- return make_safe(frame);\r
\r
- if(!input_.is_running())\r
- return core::basic_frame::eof();\r
+ for(int n = 0; n < 64 && muxer_.empty(); ++n)\r
+ decode_frame(hints);\r
+ \r
+ graph_->update_value("frame-time", static_cast<float>(frame_timer_.elapsed()*format_desc_.fps*0.5));\r
\r
- if(!video_decoder_ && !audio_decoder_)\r
- return core::basic_frame::eof();\r
- \r
- graph_->add_tag("underflow");\r
- return core::basic_frame::late(); \r
- }\r
- \r
- virtual std::wstring print() const\r
- {\r
- return L"ffmpeg[" + boost::filesystem::wpath(filename_).filename() + L"]";\r
- }\r
- \r
- void try_decode_packet()\r
- {\r
- tbb::parallel_invoke\r
- (\r
- [&]\r
- {\r
- if(video_frame_buffer_.size() < DECODED_PACKET_BUFFER_SIZE)\r
- try_decode_video_packet(input_.get_video_packet());\r
- }, \r
- [&]\r
+ if(!muxer_.empty())\r
+ frame = last_frame_ = muxer_.pop(); \r
+ else\r
+ {\r
+ if(input_.eof())\r
+ return core::basic_frame::eof();\r
+ else\r
{\r
- if(audio_chunk_buffer_.size() < DECODED_PACKET_BUFFER_SIZE)\r
- try_decode_audio_packet(input_.get_audio_packet());\r
+ graph_->add_tag("underflow"); \r
+ ++late_frames_; \r
}\r
- ); \r
+ }\r
+ \r
+ return frame;\r
}\r
\r
- void try_decode_video_packet(std::shared_ptr<AVPacket>&& video_packet)\r
+ virtual safe_ptr<core::basic_frame> last_frame() const\r
{\r
- if(!video_decoder_)\r
- return;\r
+ return disable_audio(last_frame_);\r
+ }\r
\r
- try\r
+ void decode_frame(int hints)\r
+ {\r
+ for(int n = 0; n < 16 && ((!muxer_.video_ready() && !video_decoder_.ready()) || (!muxer_.audio_ready() && !audio_decoder_.ready())); ++n) \r
{\r
- boost::range::push_back(video_frame_buffer_, video_decoder_->execute(std::move(video_packet)));\r
+ std::shared_ptr<AVPacket> pkt;\r
+ if(input_.try_pop(pkt))\r
+ {\r
+ video_decoder_.push(pkt);\r
+ audio_decoder_.push(pkt);\r
+ }\r
}\r
- catch(...)\r
+ \r
+ tbb::parallel_invoke(\r
+ [&]\r
{\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
- video_decoder_.reset();\r
- CASPAR_LOG(warning) << print() << " removed video-stream.";\r
- }\r
+ if(muxer_.video_ready())\r
+ return;\r
+\r
+ auto video_frames = video_decoder_.poll();\r
+ BOOST_FOREACH(auto& video, video_frames) \r
+ {\r
+ is_progressive_ = video ? video->interlaced_frame == 0 : is_progressive_;\r
+ muxer_.push(video, hints); \r
+ }\r
+ },\r
+ [&]\r
+ {\r
+ if(muxer_.audio_ready())\r
+ return;\r
+ \r
+ auto audio_samples = audio_decoder_.poll();\r
+ BOOST_FOREACH(auto& audio, audio_samples)\r
+ muxer_.push(audio); \r
+ });\r
+\r
+ muxer_.commit();\r
}\r
\r
- void try_decode_audio_packet(std::shared_ptr<AVPacket>&& audio_packet)\r
+ virtual int64_t nb_frames() const \r
{\r
- if(!audio_decoder_)\r
- return;\r
+ if(loop_)\r
+ return std::numeric_limits<int64_t>::max();\r
\r
- try\r
- {\r
- boost::range::push_back(audio_chunk_buffer_, audio_decoder_->execute(std::move(audio_packet)));\r
- }\r
- catch(...)\r
+ // This function estimates nb_frames until input has read all packets for one loop, at which point the count should be accurate.\r
+\r
+ int64_t nb_frames = input_.nb_frames();\r
+ if(input_.nb_loops() < 1) // input still hasn't counted all frames\r
{\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
- audio_decoder_.reset();\r
- CASPAR_LOG(warning) << print() << " removed audio-stream.";\r
+ int64_t video_nb_frames = video_decoder_.nb_frames();\r
+ int64_t audio_nb_frames = audio_decoder_.nb_frames();\r
+\r
+ nb_frames = std::min(static_cast<int64_t>(length_), std::max(nb_frames, std::max(video_nb_frames, audio_nb_frames)));\r
}\r
- }\r
\r
- std::shared_ptr<core::basic_frame> try_get_frame()\r
- { \r
- try_decode_packet();\r
+ nb_frames = muxer_.calc_nb_frames(nb_frames);\r
\r
- std::shared_ptr<core::write_frame> frame; \r
+ // TODO: Might need to scale nb_frames av frame_muxer transformations.\r
\r
- if(!video_frame_buffer_.empty() && !audio_chunk_buffer_.empty())\r
- {\r
- frame = video_frame_buffer_.front(); \r
- video_frame_buffer_.pop_front();\r
- \r
- frame->audio_data() = std::move(audio_chunk_buffer_.front());\r
- audio_chunk_buffer_.pop_front(); \r
- }\r
- else if(!video_frame_buffer_.empty() && !audio_decoder_)\r
- {\r
- frame = std::move(video_frame_buffer_.front()); \r
- video_frame_buffer_.pop_front();\r
- frame->get_audio_transform().set_has_audio(false); \r
- }\r
- else if(!audio_chunk_buffer_.empty() && !video_decoder_)\r
- {\r
- frame = frame_factory_->create_frame(this, 1, 1);\r
- std::fill(frame->image_data().begin(), frame->image_data().end(), 0);\r
+ return nb_frames + late_frames_ - start_;\r
+ }\r
\r
- frame->audio_data() = std::move(audio_chunk_buffer_.front());\r
- audio_chunk_buffer_.pop_front();\r
- }\r
- \r
- return frame; \r
+ virtual std::wstring print() const\r
+ {\r
+ return L"ffmpeg[" + boost::filesystem::wpath(filename_).filename() + L"|" \r
+ + boost::lexical_cast<std::wstring>(width_) + L"x" + boost::lexical_cast<std::wstring>(height_)\r
+ + (is_progressive_ ? L"p" : L"i") + boost::lexical_cast<std::wstring>(fps_)\r
+ + L"]";\r
}\r
};\r
\r
\r
auto ext = boost::find_if(extensions, [&](const std::wstring& ex)\r
{ \r
- return boost::filesystem::is_regular_file(boost::filesystem::wpath(filename).replace_extension(ex));\r
+ return boost::filesystem::is_regular_file(boost::filesystem::wpath(filename + L"." + ex));\r
});\r
\r
if(ext == extensions.end())\r
std::wstring path = filename + L"." + *ext;\r
bool loop = boost::find(params, L"LOOP") != params.end();\r
\r
- static const boost::wregex expr(L"\\((?<START>\\d+)(,(?<LENGTH>\\d+)?)?\\)");//(,(?<END>\\d+))?\\]"); // boost::regex has no repeated captures?\r
- boost::wsmatch what;\r
- auto it = std::find_if(params.begin(), params.end(), [&](const std::wstring& str)\r
+ size_t start = 0;\r
+ size_t length = std::numeric_limits<size_t>::max();\r
+ \r
+ auto seek_it = boost::find(params, L"SEEK");\r
+ if(seek_it != params.end())\r
{\r
- return boost::regex_match(str, what, expr);\r
- });\r
-\r
- int start = -1;\r
- int length = -1;\r
+ if(++seek_it != params.end())\r
+ start = boost::lexical_cast<size_t>(*seek_it);\r
+ }\r
+ \r
+ auto length_it = boost::find(params, L"LENGTH");\r
+ if(length_it != params.end())\r
+ {\r
+ if(++length_it != params.end())\r
+ length = boost::lexical_cast<size_t>(*length_it);\r
+ }\r
\r
- if(it != params.end())\r
+ std::wstring filter = L"";\r
+ auto filter_it = boost::find(params, L"FILTER");\r
+ if(filter_it != params.end())\r
{\r
- start = lexical_cast_or_default(what["START"].str(), -1);\r
- if(what["LENGTH"].matched)\r
- length = lexical_cast_or_default(what["LENGTH"].str(), -1);\r
+ if(++filter_it != params.end())\r
+ filter = *filter_it;\r
}\r
- \r
- return make_safe<ffmpeg_producer>(frame_factory, path, loop, start, length);\r
+\r
+ return make_safe<ffmpeg_producer>(frame_factory, path, filter, loop, start, length);\r
}\r
\r
}
\ No newline at end of file
projects / casparcg / blobdiff