#include "../util/util.h"\r
#include "../util/flv.h"\r
#include "../../ffmpeg_error.h"\r
+#include "../../ffmpeg_params.h"\r
#include "../../ffmpeg.h"\r
\r
#include <core/video_format.h>\r
#include <tbb/atomic.h>\r
#include <tbb/recursive_mutex.h>\r
\r
+#include <boost/rational.hpp>\r
#include <boost/range/algorithm.hpp>\r
#include <boost/thread/condition_variable.hpp>\r
#include <boost/thread/mutex.hpp>\r
#pragma warning (pop)\r
#endif\r
\r
-static const size_t MAX_BUFFER_COUNT = 100;\r
-static const size_t MIN_BUFFER_COUNT = 50;\r
-static const size_t MAX_BUFFER_SIZE = 64 * 1000000;\r
+static const size_t MAX_BUFFER_COUNT = 100;\r
+static const size_t MAX_BUFFER_COUNT_RT = 3;\r
+static const size_t MIN_BUFFER_COUNT = 50;\r
+static const size_t MAX_BUFFER_SIZE = 64 * 1000000;\r
\r
namespace caspar { namespace ffmpeg {\r
\r
\r
executor executor_;\r
\r
- explicit implementation(const safe_ptr<diagnostics::graph> graph, const std::wstring& filename, FFMPEG_Resource resource_type, bool loop, uint32_t start, uint32_t length, bool thumbnail_mode, const ffmpeg_params& vid_params) \r
+ explicit implementation(const safe_ptr<diagnostics::graph> graph, const std::wstring& filename, FFMPEG_Resource resource_type, bool loop, uint32_t start, uint32_t length, bool thumbnail_mode, const ffmpeg_producer_params& vid_params) \r
: graph_(graph)\r
, format_context_(open_input(filename, resource_type, vid_params)) \r
, default_stream_index_(av_find_default_stream_index(format_context_.get()))\r
});\r
} \r
\r
- safe_ptr<AVFormatContext> open_input(const std::wstring resource_name, FFMPEG_Resource resource_type, const ffmpeg_params& vid_params)\r
- {\r
- AVFormatContext* weak_context = nullptr;\r
-\r
- switch (resource_type) {\r
- case FFMPEG_FILE:\r
- THROW_ON_ERROR2(avformat_open_input(&weak_context, narrow(resource_name).c_str(), nullptr, nullptr), resource_name);\r
- break;\r
- case FFMPEG_DEVICE: {\r
- AVDictionary* format_options = NULL;\r
- if(vid_params.size_str != L"")\r
- av_dict_set(&format_options, "video_size", narrow(vid_params.size_str).c_str(), 0); // 640x360 for 16:9\r
- if(vid_params.pixel_format != L"")\r
- av_dict_set(&format_options, "pixel_format", narrow(vid_params.pixel_format).c_str(), 0); // yuyv422 for sony\r
- av_dict_set(&format_options, "avioflags", "direct", 0);\r
-\r
- // Don't set framerate here, it is typically set to a fixed rate anyway. Better to insert a fps filter to adjust the frame rate.\r
- // Im going to try anyway for now\r
- if(vid_params.frame_rate != L"")\r
- av_dict_set(&format_options, "framerate", narrow(vid_params.frame_rate).c_str(), 0);\r
- AVInputFormat* input_format = av_find_input_format("dshow");\r
- THROW_ON_ERROR2(avformat_open_input(&weak_context, narrow(resource_name).c_str(), input_format, &format_options), resource_name);\r
- av_dict_free(&format_options);\r
- } break;\r
- case FFMPEG_STREAM:\r
- THROW_ON_ERROR2(avformat_open_input(&weak_context, narrow(resource_name).c_str(), nullptr, nullptr), resource_name);\r
- break;\r
- };\r
- safe_ptr<AVFormatContext> context(weak_context, av_close_input_file); \r
- THROW_ON_ERROR2(avformat_find_stream_info(weak_context, nullptr), resource_name);\r
- fix_meta_data(*context);\r
- return context;\r
- }\r
+ safe_ptr<AVFormatContext> open_input(const std::wstring resource_name, FFMPEG_Resource resource_type, const ffmpeg_producer_params& vid_params)\r
+ {\r
+ AVFormatContext* weak_context = nullptr;\r
+\r
+ switch (resource_type) {\r
+ case FFMPEG_FILE:\r
+ THROW_ON_ERROR2(avformat_open_input(&weak_context, narrow(resource_name).c_str(), nullptr, nullptr), resource_name);\r
+ break;\r
+ case FFMPEG_DEVICE: {\r
+ AVDictionary* format_options = NULL;\r
+ for (auto it = vid_params.options.begin(); it != vid_params.options.end(); ++it)\r
+ {\r
+ av_dict_set(&format_options, (*it).name.c_str(), (*it).value.c_str(), 0);\r
+ }\r
+ AVInputFormat* input_format = av_find_input_format("dshow");\r
+ THROW_ON_ERROR2(avformat_open_input(&weak_context, narrow(resource_name).c_str(), input_format, &format_options), resource_name);\r
+ if (format_options != nullptr)\r
+ {\r
+ std::string unsupported_tokens = "";\r
+ AVDictionaryEntry *t = NULL;\r
+ while ((t = av_dict_get(format_options, "", t, AV_DICT_IGNORE_SUFFIX)) != nullptr)\r
+ {\r
+ if (!unsupported_tokens.empty())\r
+ unsupported_tokens += ", ";\r
+ unsupported_tokens += t->key;\r
+ }\r
+ av_close_input_file(weak_context);\r
+ BOOST_THROW_EXCEPTION(ffmpeg_error() << msg_info(unsupported_tokens));\r
+ }\r
+ av_dict_free(&format_options);\r
+ } break;\r
+ case FFMPEG_STREAM: {\r
+ AVDictionary* format_options = NULL;\r
+ for (auto it = vid_params.options.begin(); it != vid_params.options.end(); ++it)\r
+ {\r
+ av_dict_set(&format_options, (*it).name.c_str(), (*it).value.c_str(), 0);\r
+ }\r
+ THROW_ON_ERROR2(avformat_open_input(&weak_context, narrow(resource_name).c_str(), nullptr, &format_options), resource_name);\r
+ if (format_options != nullptr)\r
+ {\r
+ std::string unsupported_tokens = "";\r
+ AVDictionaryEntry *t = NULL;\r
+ while ((t = av_dict_get(format_options, "", t, AV_DICT_IGNORE_SUFFIX)) != nullptr)\r
+ {\r
+ if (!unsupported_tokens.empty())\r
+ unsupported_tokens += ", ";\r
+ unsupported_tokens += t->key;\r
+ }\r
+ av_close_input_file(weak_context);\r
+ BOOST_THROW_EXCEPTION(ffmpeg_error() << msg_info(unsupported_tokens));\r
+ }\r
+ av_dict_free(&format_options);\r
+ } break;\r
+ };\r
+ safe_ptr<AVFormatContext> context(weak_context, av_close_input_file); \r
+ THROW_ON_ERROR2(avformat_find_stream_info(weak_context, nullptr), resource_name);\r
+ fix_meta_data(*context);\r
+ return context;\r
+ }\r
\r
void fix_meta_data(AVFormatContext& context)\r
{\r
}\r
\r
auto stream = format_context_->streams[default_stream_index_];\r
- auto codec = stream->codec;\r
- auto fixed_target = (target*stream->time_base.den*codec->time_base.num)/(stream->time_base.num*codec->time_base.den)*codec->ticks_per_frame;\r
\r
- THROW_ON_ERROR2(avformat_seek_file(format_context_.get(), default_stream_index_, std::numeric_limits<int64_t>::min(), fixed_target, std::numeric_limits<int64_t>::max(), 0), print()); \r
\r
+ auto fps = read_fps(*format_context_, 0.0);\r
+ \r
+ THROW_ON_ERROR2(avformat_seek_file(\r
+ format_context_.get(), \r
+ default_stream_index_, \r
+ std::numeric_limits<int64_t>::min(),\r
+ static_cast<int64_t>((target / fps * stream->time_base.den) / stream->time_base.num),\r
+ std::numeric_limits<int64_t>::max(), \r
+ 0), print());\r
+\r
auto flush_packet = create_packet();\r
flush_packet->data = nullptr;\r
flush_packet->size = 0;\r
}\r
};\r
\r
-input::input(const safe_ptr<diagnostics::graph>& graph, const std::wstring& filename, FFMPEG_Resource resource_type, bool loop, uint32_t start, uint32_t length, bool thumbnail_mode, const ffmpeg_params& vid_params) \r
+input::input(const safe_ptr<diagnostics::graph>& graph, const std::wstring& filename, FFMPEG_Resource resource_type, bool loop, uint32_t start, uint32_t length, bool thumbnail_mode, const ffmpeg_producer_params& vid_params) \r
: impl_(new implementation(graph, filename, resource_type, loop, start, length, thumbnail_mode, vid_params)){}\r
bool input::eof() const {return !impl_->executor_.is_running();}\r
bool input::try_pop(std::shared_ptr<AVPacket>& packet){return impl_->try_pop(packet);}\r