109 lines
5 KiB
C++
109 lines
5 KiB
C++
#include <cstdlib>
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#include <cstdio>
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#include <cstring>
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#include <string>
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#include <mist/json.h>
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#include <mist/dtsc.h>
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#include <mist/procs.h>
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#include <mist/timing.h>
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namespace Info {
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int getInfo(int argc, char* argv[]) {
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if (argc < 2){
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fprintf( stderr, "Usage: %s <filename>\n", argv[0] );
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return 1;
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}
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DTSC::File F(argv[1]);
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JSON::Value fileSpecs = F.getMeta();
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if( !fileSpecs ) {
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char ** cmd = (char**)malloc(3*sizeof(char*));
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cmd[0] = (char*)"ffprobe";
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cmd[1] = argv[1];
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cmd[2] = NULL;
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int outFD = -1;
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Util::Procs::StartPiped("FFProbe", cmd, 0, 0, &outFD);
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while( Util::Procs::isActive("FFProbe")){ Util::sleep(100); }
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FILE * outFile = fdopen( outFD, "r" );
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char * fileBuf = 0;
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size_t fileBufLen = 0;
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while ( !(feof(outFile) || ferror(outFile)) && (getline(&fileBuf, &fileBufLen, outFile) != -1)){
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std::string line = fileBuf;
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if (line.find("Input") != std::string::npos){
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std::string tmp = line.substr(line.find(", ") + 2);
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fileSpecs["format"] = tmp.substr(0, tmp.find(","));
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}
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if (line.find("Duration") != std::string::npos){
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std::string tmp = line.substr(line.find(": ", line.find("Duration")) + 2);
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tmp = tmp.substr(0, tmp.find(","));
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int length = (((atoi(tmp.substr(0,2).c_str()) * 60) + atoi(tmp.substr(3,2).c_str())) * 60) + atoi(tmp.substr(6,2).c_str());
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fileSpecs["length"] = length;
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length *= 100;
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length += atoi(tmp.substr(9,2).c_str());
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fileSpecs["lastms"] = length * 10;
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}
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if (line.find("bitrate") != std::string::npos ){
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std::string tmp = line.substr(line.find(": ", line.find("bitrate")) + 2);
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fileSpecs["bps"] = atoi(tmp.substr(0, tmp.find(" ")).c_str()) * 128;
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}
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if (line.find("Stream") != std::string::npos ){
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std::string tmp = line.substr(line.find(" ", line.find("Stream")) + 1);
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int strmIdx = fileSpecs["streams"].size();
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int curPos = 0;
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curPos = tmp.find(": ", curPos) + 2;
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fileSpecs["streams"][strmIdx]["type"] = tmp.substr(curPos, tmp.find(":", curPos) - curPos);
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curPos = tmp.find(":", curPos) + 2;
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fileSpecs["streams"][strmIdx]["codec"] = tmp.substr(curPos, tmp.find_first_of(", ", curPos) - curPos);
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curPos = tmp.find(",", curPos) + 2;
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if (fileSpecs["streams"][strmIdx]["type"] == "Video"){
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fileSpecs["streams"][strmIdx]["encoding"] = tmp.substr(curPos, tmp.find(",", curPos) - curPos);
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curPos = tmp.find(",", curPos) + 2;
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fileSpecs["streams"][strmIdx]["width"] = atoi(tmp.substr(curPos, tmp.find("x", curPos) - curPos).c_str());
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curPos = tmp.find("x", curPos) + 1;
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fileSpecs["streams"][strmIdx]["height"] = atoi(tmp.substr(curPos, tmp.find(",", curPos) - curPos).c_str());
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curPos = tmp.find(",", curPos) + 2;
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fileSpecs["streams"][strmIdx]["bps"] = atoi(tmp.substr(curPos, tmp.find(" ", curPos) - curPos).c_str()) * 128;
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curPos = tmp.find(",", curPos) + 2;
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fileSpecs["streams"][strmIdx]["fpks"] = (int)(atof(tmp.substr(curPos, tmp.find(" ", curPos) - curPos).c_str()) * 1000);
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fileSpecs["streams"][strmIdx].removeMember( "type" );
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fileSpecs["video"] = fileSpecs["streams"][strmIdx];
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}else if (fileSpecs["streams"][strmIdx]["type"] == "Audio"){
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fileSpecs["streams"][strmIdx]["samplerate"] = atoi(tmp.substr(curPos, tmp.find(" ", curPos) - curPos).c_str());
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curPos = tmp.find(",", curPos) + 2;
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if (tmp.substr(curPos, tmp.find(",", curPos) - curPos) == "stereo"){
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fileSpecs["streams"][strmIdx]["channels"] = 2;
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}else if (tmp.substr(curPos, tmp.find(",", curPos) - curPos) == "mono"){
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fileSpecs["streams"][strmIdx]["channels"] = 1;
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}else{
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fileSpecs["streams"][strmIdx]["channels"] = tmp.substr(curPos, tmp.find(",", curPos) - curPos);
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}
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curPos = tmp.find(",", curPos) + 2;
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fileSpecs["streams"][strmIdx]["samplewidth"] = tmp.substr(curPos, tmp.find(",", curPos) - curPos);
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curPos = tmp.find(",", curPos) + 2;
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fileSpecs["streams"][strmIdx]["bps"] = atoi(tmp.substr(curPos, tmp.find(" ", curPos) - curPos).c_str()) * 128;
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fileSpecs["streams"][strmIdx].removeMember( "type" );
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fileSpecs["audio"] = fileSpecs["streams"][strmIdx];
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}
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}
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}
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fclose( outFile );
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fileSpecs.removeMember( "streams" );
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} else {
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fileSpecs["format"] = "dtsc";
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}
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if (fileSpecs.isMember("video")){
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fileSpecs["video"].removeMember("init");
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}
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if (fileSpecs.isMember("audio")){
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fileSpecs["audio"].removeMember("init");
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}
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fileSpecs.removeMember("keybpos");
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fileSpecs.removeMember("keytime");
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printf( "%s", fileSpecs.toString().c_str() );
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return 0;
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}
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}
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int main(int argc, char* argv[]) {
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return Info::getInfo(argc, argv);
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}
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