diff --git a/app/CMakeLists.txt b/app/CMakeLists.txt index 7563d02c..02945a9b 100644 --- a/app/CMakeLists.txt +++ b/app/CMakeLists.txt @@ -1,4 +1,5 @@ # C++ apps +add_subdirectory(avAudioPhaseMeter) add_subdirectory(avInfo) add_subdirectory(avMeta) add_subdirectory(avPlayer) diff --git a/app/avAudioPhaseMeter/CMakeLists.txt b/app/avAudioPhaseMeter/CMakeLists.txt new file mode 100644 index 00000000..4ed40d42 --- /dev/null +++ b/app/avAudioPhaseMeter/CMakeLists.txt @@ -0,0 +1,24 @@ +### cpp/avProcessor + +# Load custom cmake utilities +set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake) +include(AvTranscoderMacros) + +# Build app +add_executable(avaudiophasemeter avAudioPhaseMeter.cpp) +set_target_properties(avaudiophasemeter PROPERTIES VERSION ${AVTRANSCODER_VERSION}) +target_link_libraries(avaudiophasemeter avtranscoder-shared) + +# Install app +if(WIN32) + set(BINARY_FILES "${CMAKE_CURRENT_BINARY_DIR}/avaudiophasemeter.exe") +else() + set(BINARY_FILES "${CMAKE_CURRENT_BINARY_DIR}/avaudiophasemeter" "${CMAKE_CURRENT_BINARY_DIR}/avaudiophasemeter-${AVTRANSCODER_VERSION}") +endif() + +install( + FILES ${BINARY_FILES} + PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ GROUP_EXECUTE GROUP_READ WORLD_READ WORLD_EXECUTE + DESTINATION "bin/" + OPTIONAL +) diff --git a/app/avAudioPhaseMeter/avAudioPhaseMeter.cpp b/app/avAudioPhaseMeter/avAudioPhaseMeter.cpp new file mode 100644 index 00000000..e018f785 --- /dev/null +++ b/app/avAudioPhaseMeter/avAudioPhaseMeter.cpp @@ -0,0 +1,148 @@ +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +std::vector parseConfigFile(const std::string& configFilename) +{ + std::vector result; + + std::ifstream configFile(configFilename.c_str(), std::ifstream::in); + + std::string line; + size_t countLines = 0; + while(std::getline(configFile, line)) + { + if(++countLines > 2) + { + throw std::runtime_error("Audio phase analysis can only be done on a stereo pair, i.e. two channels (see usage)."); + } + + std::istringstream is_line(line); + std::string filename; + if(std::getline(is_line, filename, '=')) + { + std::string stream; + std::getline(is_line, stream); + + std::stringstream ss(stream); + size_t streamIndex = 0; + char separator; + int channelIndex = -1; + ss >> streamIndex; + ss >> separator; + if(separator == '.') + { + ss >> channelIndex; + } + + bool newInputDescAdded = false; + // if we already have an input description with the same filename/streamIndex, add only the new channelIndex + for(std::vector::iterator it = result.begin(); it != result.end(); ++it) + { + if(it->_filename == filename && it->_streamIndex == streamIndex) + { + it->_channelIndexArray.push_back(channelIndex); + newInputDescAdded = true; + break; + } + } + if(!newInputDescAdded) + { + result.push_back(avtranscoder::InputStreamDesc(filename, streamIndex, channelIndex)); + } + } + } + + configFile.close(); + + return result; +} + +void displayUsage(const std::string& program) +{ + std::cout << "Usage: " << program << " CONFIG OUTPUT [OPTIONS]" << std::endl << std::endl; + std::cout << "\tCONFIG: input configuration file" << std::endl; + std::cout << "\t\tEach line represents one audio stream analysed." << std::endl; + std::cout << "\t\tPattern of each line is:" << std::endl; + std::cout << "\t\t[inputFile]=STREAM_INDEX.CHANNEL_INDEX" << std::endl; + std::cout << "\t\tWARNING: audio phase analyser only support stereo layout, i.e. two lines in this configuration." << std::endl << std::endl; + std::cout << "\tOUTPUT: metadata output file" << std::endl; + std::cout << "\t\tPattern for each frame is:" << std::endl; + std::cout << "\t\t `frame:[FRAME_ID] pts:[PTS] pts_time:[PTS_TIME]" << std::endl; + std::cout << "\t\t lavfi.aphasemeter.phase=[PHASE_VALUE]`" << std::endl << std::endl; + std::cout << "\tOPTIONS:" << std::endl; + std::cout << "\t\t--info set log level to AV_LOG_INFO" << std::endl; + std::cout << "\t\t--debug set log level to AV_LOG_DEBUG" << std::endl; + std::cout << "\t\t--help display this help" << std::endl << std::endl; +} + +int main(int argc, char** argv) +{ + // Preload FFmpeg context + avtranscoder::preloadCodecsAndFormats(); + avtranscoder::Logger::setLogLevel(AV_LOG_QUIET); + + if(argc < 3) + { + displayUsage(argv[0]); + } + + // List command line arguments + std::vector arguments; + for(int argument = 1; argument < argc; ++argument) + { + arguments.push_back(argv[argument]); + } + for(size_t argument = 0; argument < arguments.size(); ++argument) + { + if(arguments.at(argument) == "--help") + { + displayUsage(argv[0]); + return 0; + } + else if(arguments.at(argument) == "--debug") + { + avtranscoder::Logger::setLogLevel(AV_LOG_DEBUG); + } + else if(arguments.at(argument) == "--info") + { + avtranscoder::Logger::setLogLevel(AV_LOG_INFO); + } + } + + try + { + std::string configFilePath(arguments.at(0)); + std::string outputFilePath(arguments.at(1)); + std::vector inputStreamsToAnalyse = parseConfigFile(configFilePath); + + avtranscoder::OutputFile outputFile(outputFilePath, "null"); // the output file will be overwritten by the extracted metadata + + avtranscoder::Transcoder transcoder(outputFile); + transcoder.setProcessMethod(avtranscoder::eProcessMethodBasedOnStream, 0); + transcoder.addStream(inputStreamsToAnalyse); + + avtranscoder::StreamTranscoder& streamTranscoder = transcoder.getStreamTranscoder(0); + avtranscoder::FilterGraph* filterGraph = streamTranscoder.getFilterGraph(); + filterGraph->addFilter("aphasemeter", "video=0"); + filterGraph->addFilter("ametadata", "mode=print:file=" + outputFilePath); + + avtranscoder::ConsoleProgress progress; + transcoder.process(progress); + } + catch(std::exception& e) + { + std::cerr << "ERROR: during process, an error occured: " << e.what() << std::endl; + } + catch(...) + { + std::cerr << "ERROR: during process, an unknown error occured" << std::endl; + } +} pFad - Phonifier reborn

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