/*\r
-* copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
+* Copyright 2013 Sveriges Television AB http://casparcg.com/\r
*\r
-* This file is part of CasparCG.\r
+* This file is part of CasparCG (www.casparcg.com).\r
*\r
-* CasparCG is free software: you can redistribute it and/or modify\r
-* it under the terms of the GNU General Public License as published by\r
-* the Free Software Foundation, either version 3 of the License, or\r
-* (at your option) any later version.\r
+* CasparCG is free software: you can redistribute it and/or modify\r
+* it under the terms of the GNU General Public License as published by\r
+* the Free Software Foundation, either version 3 of the License, or\r
+* (at your option) any later version.\r
*\r
-* CasparCG is distributed in the hope that it will be useful,\r
-* but WITHOUT ANY WARRANTY; without even the implied warranty of\r
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
-* GNU General Public License for more details.\r
-\r
-* You should have received a copy of the GNU General Public License\r
-* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
+* CasparCG is distributed in the hope that it will be useful,\r
+* but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+* GNU General Public License for more details.\r
+*\r
+* You should have received a copy of the GNU General Public License\r
+* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
*\r
+* Author: Robert Nagy, ronag89@gmail.com\r
*/\r
+\r
#include "../stdafx.h"\r
\r
#include "ffmpeg_producer.h"\r
\r
+#include "../ffmpeg.h"\r
#include "../ffmpeg_error.h"\r
+#include "../ffmpeg_params.h"\r
\r
#include "muxer/frame_muxer.h"\r
#include "input/input.h"\r
#include <common/utility/assert.h>\r
#include <common/diagnostics/graph.h>\r
\r
+#include <core/monitor/monitor.h>\r
#include <core/video_format.h>\r
+#include <core/parameters/parameters.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
#include <queue>\r
\r
namespace caspar { namespace ffmpeg {\r
+\r
+std::wstring get_relative_or_original(\r
+ const std::wstring& filename,\r
+ const boost::filesystem::wpath& relative_to)\r
+{\r
+ boost::filesystem::wpath file(filename);\r
+ auto result = file.filename();\r
+\r
+ boost::filesystem::wpath current_path = file;\r
+\r
+ while (true)\r
+ {\r
+ current_path = current_path.parent_path();\r
+\r
+ if (boost::filesystem::equivalent(current_path, relative_to))\r
+ break;\r
+\r
+ if (current_path.empty())\r
+ return filename;\r
+\r
+ result = current_path.filename() + L"/" + result;\r
+ }\r
+\r
+ return result;\r
+}\r
\r
struct ffmpeg_producer : public core::frame_producer\r
{\r
+ core::monitor::subject monitor_subject_;\r
const std::wstring filename_;\r
+ const std::wstring path_relative_to_media_;\r
+\r
+ FFMPEG_Resource resource_type_;\r
\r
const safe_ptr<diagnostics::graph> graph_;\r
boost::timer frame_timer_;\r
const safe_ptr<core::frame_factory> frame_factory_;\r
const core::video_format_desc format_desc_;\r
\r
+ std::shared_ptr<void> initial_logger_disabler_;\r
+\r
input input_; \r
std::unique_ptr<video_decoder> video_decoder_;\r
std::unique_ptr<audio_decoder> audio_decoder_; \r
std::unique_ptr<frame_muxer> muxer_;\r
\r
const double fps_;\r
- const int start_;\r
- const bool loop_;\r
- const size_t length_;\r
+ const uint32_t start_;\r
+ const uint32_t length_;\r
+ const bool thumbnail_mode_;\r
\r
safe_ptr<core::basic_frame> last_frame_;\r
\r
std::queue<std::pair<safe_ptr<core::basic_frame>, size_t>> frame_buffer_;\r
\r
int64_t frame_number_;\r
- int64_t file_frame_number_;;\r
- \r
+ uint32_t file_frame_number_;\r
+ \r
public:\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
+ explicit ffmpeg_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename, FFMPEG_Resource resource_type, const std::wstring& filter, bool loop, uint32_t start, uint32_t length, bool thumbnail_mode, const std::wstring& custom_channel_order, const ffmpeg_producer_params& vid_params)\r
: filename_(filename)\r
+ , path_relative_to_media_(get_relative_or_original(filename, env::media_folder()))\r
+ , resource_type_(resource_type)\r
, frame_factory_(frame_factory) \r
, format_desc_(frame_factory->get_video_format_desc())\r
- , input_(graph_, filename_, loop, start, length)\r
+ , initial_logger_disabler_(temporary_disable_logging_for_thread(thumbnail_mode))\r
+ , input_(graph_, filename_, resource_type, loop, start, length, thumbnail_mode, vid_params)\r
, fps_(read_fps(*input_.context(), format_desc_.fps))\r
, start_(start)\r
- , loop_(loop)\r
, length_(length)\r
+ , thumbnail_mode_(thumbnail_mode)\r
, last_frame_(core::basic_frame::empty())\r
, frame_number_(0)\r
{\r
- graph_->add_guide("frame-time", 0.5);\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
diagnostics::register_graph(graph_);\r
- \r
+ \r
try\r
{\r
video_decoder_.reset(new video_decoder(input_.context()));\r
+ if (!thumbnail_mode_)\r
+ CASPAR_LOG(info) << print() << L" " << video_decoder_->print();\r
}\r
catch(averror_stream_not_found&)\r
{\r
- CASPAR_LOG(warning) << "No video-stream found. Running without video."; \r
+ //CASPAR_LOG(warning) << print() << " No video-stream found. Running without video."; \r
}\r
catch(...)\r
{\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
- CASPAR_LOG(warning) << "Failed to open video-stream. Running without video."; \r
+ if (!thumbnail_mode_)\r
+ {\r
+ CASPAR_LOG_CURRENT_EXCEPTION();\r
+ CASPAR_LOG(warning) << print() << "Failed to open video-stream. Running without video."; \r
+ }\r
}\r
\r
- try\r
- {\r
- audio_decoder_.reset(new audio_decoder(input_.context(), frame_factory->get_video_format_desc()));\r
- }\r
- catch(averror_stream_not_found&)\r
+ core::channel_layout audio_channel_layout = core::default_channel_layout_repository().get_by_name(L"STEREO");\r
+\r
+ if (!thumbnail_mode_)\r
{\r
- CASPAR_LOG(warning) << "No audio-stream found. Running without audio."; \r
+ try\r
+ {\r
+ audio_decoder_.reset(new audio_decoder(input_.context(), frame_factory->get_video_format_desc(), custom_channel_order));\r
+ audio_channel_layout = audio_decoder_->channel_layout();\r
+ CASPAR_LOG(info) << print() << L" " << audio_decoder_->print();\r
+ }\r
+ catch(averror_stream_not_found&)\r
+ {\r
+ //CASPAR_LOG(warning) << print() << " No audio-stream found. Running without audio."; \r
+ }\r
+ catch(...)\r
+ {\r
+ CASPAR_LOG_CURRENT_EXCEPTION();\r
+ CASPAR_LOG(warning) << print() << " Failed to open audio-stream. Running without audio."; \r
+ }\r
}\r
- catch(...)\r
- {\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
- CASPAR_LOG(warning) << "Failed to open audio-stream. Running without audio."; \r
- } \r
\r
if(!video_decoder_ && !audio_decoder_)\r
BOOST_THROW_EXCEPTION(averror_stream_not_found() << msg_info("No streams found"));\r
\r
- muxer_.reset(new frame_muxer(fps_, frame_factory, filter));\r
+ muxer_.reset(new frame_muxer(fps_, frame_factory, thumbnail_mode_, audio_channel_layout, filter));\r
}\r
\r
// frame_producer\r
\r
virtual safe_ptr<core::basic_frame> receive(int hints) override\r
+ {\r
+ return render_frame(hints).first;\r
+ }\r
+\r
+ virtual safe_ptr<core::basic_frame> last_frame() const override\r
+ {\r
+ return disable_audio(last_frame_);\r
+ }\r
+\r
+ std::pair<safe_ptr<core::basic_frame>, uint32_t> render_frame(int hints)\r
{ \r
frame_timer_.restart();\r
- \r
+ auto disable_logging = temporary_disable_logging_for_thread(thumbnail_mode_);\r
+ \r
for(int n = 0; n < 16 && frame_buffer_.size() < 2; ++n)\r
try_decode_frame(hints);\r
\r
- graph_->update_value("frame-time", frame_timer_.elapsed()*format_desc_.fps*0.5);\r
- \r
- if(frame_buffer_.empty() && input_.eof())\r
- return last_frame();\r
+ graph_->set_value("frame-time", frame_timer_.elapsed()*format_desc_.fps*0.5);\r
\r
- if(frame_buffer_.empty())\r
+ if (frame_buffer_.empty())\r
{\r
- graph_->add_tag("underflow"); \r
- return core::basic_frame::late(); \r
+ if (input_.eof())\r
+ {\r
+ send_osc();\r
+ return std::make_pair(last_frame(), -1);\r
+ }\r
+ else if (resource_type_ == FFMPEG_FILE)\r
+ {\r
+ graph_->set_tag("underflow"); \r
+ send_osc();\r
+ return std::make_pair(core::basic_frame::late(), -1); \r
+ }\r
+ else\r
+ {\r
+ send_osc();\r
+ return std::make_pair(last_frame(), -1);\r
+ }\r
}\r
\r
auto frame = frame_buffer_.front(); \r
\r
graph_->set_text(print());\r
\r
- return last_frame_ = frame.first;\r
+ last_frame_ = frame.first;\r
+\r
+ send_osc();\r
+\r
+ return frame;\r
}\r
\r
- virtual safe_ptr<core::basic_frame> last_frame() const override\r
+ void send_osc()\r
{\r
- return disable_audio(last_frame_);\r
+ monitor_subject_ << core::monitor::message("/profiler/time") % frame_timer_.elapsed() % (1.0/format_desc_.fps); \r
+ \r
+ monitor_subject_ << core::monitor::message("/file/time") % (file_frame_number()/fps_) \r
+ % (file_nb_frames()/fps_)\r
+ << core::monitor::message("/file/frame") % static_cast<int32_t>(file_frame_number())\r
+ % static_cast<int32_t>(file_nb_frames())\r
+ << core::monitor::message("/file/fps") % fps_\r
+ << core::monitor::message("/file/path") % path_relative_to_media_\r
+ << core::monitor::message("/loop") % input_.loop();\r
}\r
-\r
- virtual int64_t nb_frames() const override\r
+ \r
+ safe_ptr<core::basic_frame> render_specific_frame(uint32_t file_position, int hints)\r
{\r
- if(loop_)\r
- return std::numeric_limits<int64_t>::max();\r
-\r
- auto nb_frames = file_nb_frames();\r
+ // Some trial and error and undeterministic stuff here\r
+ static const int NUM_RETRIES = 32;\r
+ \r
+ if (file_position > 0) // Assume frames are requested in sequential order,\r
+ // therefore no seeking should be necessary for the first frame.\r
+ {\r
+ input_.seek(file_position > 1 ? file_position - 2: file_position).get();\r
+ boost::this_thread::sleep(boost::posix_time::milliseconds(40));\r
+ }\r
\r
- nb_frames = std::min(static_cast<int64_t>(length_), nb_frames);\r
- nb_frames = muxer_->calc_nb_frames(nb_frames);\r
+ for (int i = 0; i < NUM_RETRIES; ++i)\r
+ {\r
+ boost::this_thread::sleep(boost::posix_time::milliseconds(40));\r
\r
- return nb_frames - start_;\r
+ auto frame = render_frame(hints);\r
+\r
+ if (frame.second == std::numeric_limits<uint32_t>::max())\r
+ {\r
+ // Retry\r
+ continue;\r
+ }\r
+ else if (frame.second == file_position + 1 || frame.second == file_position)\r
+ return frame.first;\r
+ else if (frame.second > file_position + 1)\r
+ {\r
+ CASPAR_LOG(trace) << print() << L" " << frame.second << L" received, wanted " << file_position + 1;\r
+ int64_t adjusted_seek = file_position - (frame.second - file_position + 1);\r
+\r
+ if (adjusted_seek > 1 && file_position > 0)\r
+ {\r
+ CASPAR_LOG(trace) << print() << L" adjusting to " << adjusted_seek;\r
+ input_.seek(static_cast<uint32_t>(adjusted_seek) - 1).get();\r
+ boost::this_thread::sleep(boost::posix_time::milliseconds(40));\r
+ }\r
+ else\r
+ return frame.first;\r
+ }\r
+ }\r
+\r
+ CASPAR_LOG(trace) << print() << " Giving up finding frame at " << file_position;\r
+ return core::basic_frame::empty();\r
}\r
\r
- virtual int64_t file_nb_frames() const override\r
+ virtual safe_ptr<core::basic_frame> create_thumbnail_frame() override\r
{\r
- int64_t file_nb_frames = 0;\r
- file_nb_frames = std::max(file_nb_frames, video_decoder_ ? video_decoder_->nb_frames() : 0);\r
- file_nb_frames = std::max(file_nb_frames, audio_decoder_ ? audio_decoder_->nb_frames() : 0);\r
- return file_nb_frames;\r
- }\r
+ auto disable_logging = temporary_disable_logging_for_thread(thumbnail_mode_);\r
+ auto total_frames = nb_frames();\r
+ auto grid = env::properties().get(L"configuration.thumbnails.video-grid", 2);\r
+\r
+ if (grid < 1)\r
+ {\r
+ CASPAR_LOG(error) << L"configuration/thumbnails/video-grid cannot be less than 1";\r
+ BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("configuration/thumbnails/video-grid cannot be less than 1"));\r
+ }\r
+\r
+ if (grid == 1)\r
+ {\r
+ return render_specific_frame(total_frames / 2, 0/*DEINTERLACE_HINT*/);\r
+ }\r
\r
- virtual int64_t frame_number() const override\r
+ auto num_snapshots = grid * grid;\r
+\r
+ std::vector<safe_ptr<core::basic_frame>> frames;\r
+\r
+ for (int i = 0; i < num_snapshots; ++i)\r
+ {\r
+ int x = i % grid;\r
+ int y = i / grid;\r
+ int desired_frame;\r
+ \r
+ if (i == 0)\r
+ desired_frame = 0; // first\r
+ else if (i == num_snapshots - 1)\r
+ desired_frame = total_frames - 1; // last\r
+ else\r
+ // evenly distributed across the file.\r
+ desired_frame = total_frames * i / (num_snapshots - 1);\r
+\r
+ auto frame = render_specific_frame(desired_frame, 0/*DEINTERLACE_HINT*/);\r
+ frame->get_frame_transform().fill_scale[0] = 1.0 / static_cast<double>(grid);\r
+ frame->get_frame_transform().fill_scale[1] = 1.0 / static_cast<double>(grid);\r
+ frame->get_frame_transform().fill_translation[0] = 1.0 / static_cast<double>(grid) * x;\r
+ frame->get_frame_transform().fill_translation[1] = 1.0 / static_cast<double>(grid) * y;\r
+\r
+ frames.push_back(frame);\r
+ }\r
+\r
+ return make_safe<core::basic_frame>(frames);\r
+ }\r
+ \r
+ uint32_t file_frame_number() const\r
{\r
- return frame_number_;\r
+ return video_decoder_ ? video_decoder_->file_frame_number() : 0;\r
}\r
\r
- virtual int64_t file_frame_number() const override\r
+ virtual uint32_t nb_frames() const override\r
{\r
- return file_frame_number_;\r
+ //if(input_.loop())\r
+ if(resource_type_ == FFMPEG_DEVICE || resource_type_ == FFMPEG_STREAM || input_.loop()) \r
+ return std::numeric_limits<uint32_t>::max();\r
+\r
+ uint32_t nb_frames = file_nb_frames();\r
+\r
+ nb_frames = std::min(length_, nb_frames);\r
+ nb_frames = muxer_->calc_nb_frames(nb_frames);\r
+ \r
+ return nb_frames > start_ ? nb_frames - start_ : 0;\r
}\r
\r
+ uint32_t file_nb_frames() const\r
+ {\r
+ uint32_t file_nb_frames = 0;\r
+ file_nb_frames = std::max(file_nb_frames, video_decoder_ ? video_decoder_->nb_frames() : 0);\r
+ file_nb_frames = std::max(file_nb_frames, audio_decoder_ ? audio_decoder_->nb_frames() : 0);\r
+ return file_nb_frames;\r
+ }\r
+ \r
virtual boost::unique_future<std::wstring> call(const std::wstring& param) override\r
{\r
boost::promise<std::wstring> promise;\r
\r
virtual std::wstring print() const override\r
{\r
- if(video_decoder_)\r
- {\r
- return L"ffmpeg[" + boost::filesystem::wpath(filename_).filename() + L"|" + print_mode(video_decoder_->width(), video_decoder_->height(), fps_, !video_decoder_->is_progressive())\r
- + L"|" + boost::lexical_cast<std::wstring>(file_frame_number()) + L"/" + boost::lexical_cast<std::wstring>(file_nb_frames()) + L"]";\r
- }\r
- \r
- return L"ffmpeg[" + boost::filesystem::wpath(filename_).filename() + L"]";\r
+ return L"ffmpeg[" + boost::filesystem::wpath(filename_).filename() + L"|" \r
+ + print_mode() + L"|" \r
+ + boost::lexical_cast<std::wstring>(file_frame_number_) + L"/" + boost::lexical_cast<std::wstring>(file_nb_frames()) + L"]";\r
+ }\r
+\r
+ boost::property_tree::wptree info() const override\r
+ {\r
+ boost::property_tree::wptree info;\r
+ info.add(L"type", L"ffmpeg-producer");\r
+ info.add(L"filename", filename_);\r
+ info.add(L"width", video_decoder_ ? video_decoder_->width() : 0);\r
+ info.add(L"height", video_decoder_ ? video_decoder_->height() : 0);\r
+ info.add(L"progressive", video_decoder_ ? video_decoder_->is_progressive() : false);\r
+ info.add(L"fps", fps_);\r
+ info.add(L"loop", input_.loop());\r
+ info.add(L"frame-number", frame_number_);\r
+ auto nb_frames2 = nb_frames();\r
+ info.add(L"nb-frames", nb_frames2 == std::numeric_limits<int64_t>::max() ? -1 : nb_frames2);\r
+ info.add(L"file-frame-number", file_frame_number_);\r
+ info.add(L"file-nb-frames", file_nb_frames());\r
+ return info;\r
}\r
\r
// ffmpeg_producer\r
+\r
+ std::wstring print_mode() const\r
+ {\r
+ return video_decoder_ ? ffmpeg::print_mode(video_decoder_->width(), video_decoder_->height(), fps_, !video_decoder_->is_progressive()) : L"";\r
+ }\r
\r
std::wstring do_call(const std::wstring& param)\r
{\r
- static const boost::wregex loop_exp(L"LOOP\\s*(?<VALUE>\\d?)", boost::regex::icase);\r
+ static const boost::wregex loop_exp(L"LOOP\\s*(?<VALUE>\\d?)?", boost::regex::icase);\r
static const boost::wregex seek_exp(L"SEEK\\s+(?<VALUE>\\d+)", boost::regex::icase);\r
\r
boost::wsmatch what;\r
}\r
if(boost::regex_match(param, what, seek_exp))\r
{\r
- input_.seek(boost::lexical_cast<int64_t>(what["VALUE"].str()));\r
+ input_.seek(boost::lexical_cast<uint32_t>(what["VALUE"].str()));\r
return L"";\r
}\r
\r
for(auto frame = muxer_->poll(); frame; frame = muxer_->poll())\r
frame_buffer_.push(std::make_pair(make_safe_ptr(frame), file_frame_number));\r
}\r
+\r
+ core::monitor::source& monitor_output()\r
+ {\r
+ return monitor_subject_;\r
+ }\r
};\r
\r
-safe_ptr<core::frame_producer> create_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)\r
+safe_ptr<core::frame_producer> create_producer(\r
+ const safe_ptr<core::frame_factory>& frame_factory,\r
+ const core::parameters& params)\r
{ \r
- static const std::vector<std::wstring> extensions = boost::assign::list_of\r
- (L"mpg")(L"mpeg")(L"m2v")(L"m4v")(L"mp3")(L"mp4")(L"mpga")\r
- (L"avi")\r
- (L"mov")\r
- (L"qt")\r
- (L"webm")\r
- (L"dv") \r
- (L"f4v")(L"flv")\r
- (L"mkv")(L"mka")\r
- (L"wmv")(L"wma")(L"wav")\r
- (L"rm")(L"ram")\r
- (L"ogg")(L"ogv")(L"oga")(L"ogx")\r
- (L"divx")(L"xvid");\r
-\r
- std::wstring filename = env::media_folder() + L"\\" + params[0];\r
- \r
- auto ext = boost::find_if(extensions, [&](const std::wstring& ex)\r
- { \r
- return boost::filesystem::is_regular_file(boost::filesystem::wpath(filename + L"." + ex));\r
- });\r
+ static const std::vector<std::wstring> invalid_exts = boost::assign::list_of(L".png")(L".tga")(L".bmp")(L".jpg")(L".jpeg")(L".gif")(L".tiff")(L".tif")(L".jp2")(L".jpx")(L".j2k")(L".j2c")(L".swf")(L".ct");\r
\r
- if(ext == extensions.end())\r
+ // Infer the resource type from the resource_name\r
+ auto resource_type = FFMPEG_FILE;\r
+ auto tokens = core::parameters::protocol_split(params.at_original(0));\r
+ auto filename = params.at_original(0);\r
+ if (!tokens[0].empty())\r
+ {\r
+ if (tokens[0] == L"dshow")\r
+ {\r
+ // Camera\r
+ resource_type = FFMPEG_DEVICE;\r
+ filename = tokens[1];\r
+ } else\r
+ {\r
+ // Stream\r
+ resource_type = FFMPEG_STREAM;\r
+ filename = params.at_original(0);\r
+ }\r
+ } else\r
+ {\r
+ // File\r
+ resource_type = FFMPEG_FILE;\r
+ filename = env::media_folder() + L"\\" + tokens[1];\r
+ if(!boost::filesystem::exists(filename))\r
+ filename = probe_stem(filename);\r
+\r
+ //TODO fix these?\r
+ //vid_params->loop = params.has(L"LOOP");\r
+ //vid_params->start = params.get(L"SEEK", static_cast<uint32_t>(0));\r
+ }\r
+\r
+ if(filename.empty())\r
return core::frame_producer::empty();\r
+ \r
+ auto loop = params.has(L"LOOP");\r
+ auto start = params.get(L"SEEK", static_cast<uint32_t>(0));\r
+ auto length = params.get(L"LENGTH", std::numeric_limits<uint32_t>::max());\r
+ auto filter_str = params.get(L"FILTER", L""); \r
+ auto custom_channel_order = params.get(L"CHANNEL_LAYOUT", L"");\r
\r
- auto path = filename + L"." + *ext;\r
- auto loop = boost::range::find(params, L"LOOP") != params.end();\r
- auto start = core::get_param(L"SEEK", params, 0);\r
- auto length = core::get_param(L"LENGTH", params, std::numeric_limits<size_t>::max());\r
- auto filter_str = core::get_param<std::wstring>(L"FILTER", params, L""); \r
- \r
boost::replace_all(filter_str, L"DEINTERLACE", L"YADIF=0:-1");\r
boost::replace_all(filter_str, L"DEINTERLACE_BOB", L"YADIF=1:-1");\r
\r
- return create_producer_destroy_proxy(make_safe<ffmpeg_producer>(frame_factory, path, filter_str, loop, start, length));\r
+ ffmpeg_producer_params vid_params;\r
+ bool haveFFMPEGStartIndicator = false;\r
+ for (size_t i = 0; i < params.size() - 1; ++i)\r
+ {\r
+ if (!haveFFMPEGStartIndicator && params[i] == L"--")\r
+ {\r
+ haveFFMPEGStartIndicator = true;\r
+ continue;\r
+ }\r
+ if (haveFFMPEGStartIndicator)\r
+ {\r
+ auto name = narrow(params.at_original(i++)).substr(1);\r
+ auto value = narrow(params.at_original(i));\r
+ vid_params.options.push_back(option(name, value));\r
+ }\r
+ }\r
+\r
+ \r
+ return create_producer_destroy_proxy(make_safe<ffmpeg_producer>(frame_factory, filename, resource_type, filter_str, loop, start, length, false, custom_channel_order, vid_params));\r
+}\r
+\r
+safe_ptr<core::frame_producer> create_thumbnail_producer(\r
+ const safe_ptr<core::frame_factory>& frame_factory,\r
+ const core::parameters& params)\r
+{ \r
+ static const std::vector<std::wstring> invalid_exts = boost::assign::list_of\r
+ (L".png")(L".tga")(L".bmp")(L".jpg")(L".jpeg")(L".gif")(L".tiff")(L".tif")(L".jp2")(L".jpx")(L".j2k")(L".j2c")(L".swf")(L".ct")\r
+ (L".wav")(L".mp3"); // audio shall not have thumbnails\r
+ auto filename = probe_stem(env::media_folder() + L"\\" + params.at_original(0), invalid_exts);\r
+\r
+ if(filename.empty())\r
+ return core::frame_producer::empty();\r
+ \r
+ auto loop = false;\r
+ auto start = 0;\r
+ auto length = std::numeric_limits<uint32_t>::max();\r
+ auto filter_str = L"";\r
+\r
+ ffmpeg_producer_params vid_params;\r
+ return make_safe<ffmpeg_producer>(frame_factory, filename, FFMPEG_FILE, filter_str, loop, start, length, true, L"", vid_params);\r
}\r
\r
}}
\ No newline at end of file