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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| ### cpp/avProcessor | ||
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| # Load custom cmake utilities | ||
| set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake) | ||
| include(AvTranscoderMacros) | ||
|
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| # Build app | ||
| add_executable(avaudiophasemeter avAudioPhaseMeter.cpp) | ||
| set_target_properties(avaudiophasemeter PROPERTIES VERSION ${AVTRANSCODER_VERSION}) | ||
| target_link_libraries(avaudiophasemeter avtranscoder-shared) | ||
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| # Install app | ||
| if(WIN32) | ||
| set(BINARY_FILES "${CMAKE_CURRENT_BINARY_DIR}/avaudiophasemeter.exe") | ||
| else() | ||
| set(BINARY_FILES "${CMAKE_CURRENT_BINARY_DIR}/avaudiophasemeter" "${CMAKE_CURRENT_BINARY_DIR}/avaudiophasemeter-${AVTRANSCODER_VERSION}") | ||
| endif() | ||
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| install( | ||
| FILES ${BINARY_FILES} | ||
| PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ GROUP_EXECUTE GROUP_READ WORLD_READ WORLD_EXECUTE | ||
| DESTINATION "bin/" | ||
| OPTIONAL | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| #include <AvTranscoder/transcoder/Transcoder.hpp> | ||
| #include <AvTranscoder/file/OutputFile.hpp> | ||
| #include <AvTranscoder/progress/ConsoleProgress.hpp> | ||
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| #include <iostream> | ||
| #include <iomanip> | ||
| #include <vector> | ||
| #include <fstream> | ||
| #include <sstream> | ||
| #include <cstdlib> | ||
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| std::vector<avtranscoder::InputStreamDesc> parseConfigFile(const std::string& configFilename) | ||
| { | ||
| std::vector<avtranscoder::InputStreamDesc> result; | ||
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| std::ifstream configFile(configFilename.c_str(), std::ifstream::in); | ||
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| 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)."); | ||
|
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| std::istringstream is_line(line); | ||
| std::string filename; | ||
| if(std::getline(is_line, filename, '=')) | ||
| { | ||
| std::string stream; | ||
| std::getline(is_line, stream); | ||
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| std::stringstream ss(stream); | ||
| size_t streamIndex = 0; | ||
| char separator; | ||
| int channelIndex = -1; | ||
| ss >> streamIndex; | ||
| ss >> separator; | ||
| if(separator == '.') | ||
| ss >> channelIndex; | ||
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| bool newInputDescAdded = false; | ||
| // if we already have an input description with the same filename/streamIndex, add only the new channelIndex | ||
| for(std::vector<avtranscoder::InputStreamDesc>::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)); | ||
| } | ||
| } | ||
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| configFile.close(); | ||
|
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| return result; | ||
| } | ||
|
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| 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; | ||
| } | ||
|
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||
| int main(int argc, char** argv) | ||
| { | ||
| // Preload FFmpeg context | ||
| avtranscoder::preloadCodecsAndFormats(); | ||
| avtranscoder::Logger::setLogLevel(AV_LOG_QUIET); | ||
|
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| if(argc < 3) { | ||
| displayUsage(argv[0]); | ||
| } | ||
|
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| // List command line arguments | ||
| std::vector<std::string> 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<avtranscoder::InputStreamDesc> inputStreamsToAnalyse = parseConfigFile(configFilePath); | ||
|
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| avtranscoder::OutputFile outputFile(outputFilePath, "null"); // the output file will be overwritten by the extracted metadata | ||
|
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| avtranscoder::Transcoder transcoder(outputFile); | ||
| transcoder.setProcessMethod(avtranscoder::eProcessMethodBasedOnStream, 0); | ||
| transcoder.addStream(inputStreamsToAnalyse); | ||
|
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| avtranscoder::StreamTranscoder& streamTranscoder = transcoder.getStreamTranscoder(0); | ||
| avtranscoder::FilterGraph* filterGraph = streamTranscoder.getFilterGraph(); | ||
| filterGraph->addFilter("aphasemeter", "video=0"); | ||
| filterGraph->addFilter("ametadata", "mode=print:file=" + outputFilePath); | ||
|
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| 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; | ||
| } | ||
| } |
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