Esempio n. 1
0
int wmain(int argc, wchar_t **argv) {
    if (_setmode(_fileno(stdout), _O_BINARY) == -1)
        fprintf(stderr, "Failed to set stdout to binary mode\n");
    SetConsoleCtrlHandler(HandlerRoutine, TRUE);
#else
int main(int argc, char **argv) {
#endif

    if (argc == 2) {
        if (nstring(argv[1]) == NSTRING("-version")) {
            if (!vsscript_init()) {
                fprintf(stderr, "Failed to initialize VapourSynth environment\n");
                return 1;
            }

            vsapi = vsscript_getVSApi();
            if (!vsapi) {
                fprintf(stderr, "Failed to get VapourSynth API pointer\n");
                vsscript_finalize();
                return 1;
            }

            VSCore *core = vsapi->createCore(0);
            if (!core) {
                fprintf(stderr, "Failed to create core\n");
                vsscript_finalize();
                return 1;
            }

            const VSCoreInfo *info = vsapi->getCoreInfo(core);
            printf("%s", info->versionString);
            vsapi->freeCore(core);
            return 0;
        }
    }

    if (argc < 3) {
        fprintf(stderr, "VSPipe usage:\n");
        fprintf(stderr, "Show version info: vspipe -version\n");
        fprintf(stderr, "Show script info: vspipe script.vpy - -info\n");
        fprintf(stderr, "Write to stdout: vspipe script.vpy - [options]\n");
        fprintf(stderr, "Write to file: vspipe script.vpy <outFile> [options]\n");
        fprintf(stderr, "Available options:\n");
        fprintf(stderr, "Select output index: -index N\n");
        fprintf(stderr, "Set number of concurrent frame requests: -requests N\n");
        fprintf(stderr, "Add YUV4MPEG headers: -y4m\n");
        fprintf(stderr, "Print progress to stderr: -progress\n");
        fprintf(stderr, "Show video info: -info (overrides other options)\n");
        return 1;
    }

    nstring outputFilename = argv[2];
    if (outputFilename == NSTRING("-")) {
        outFile = stdout;
    } else {
#ifdef VS_TARGET_OS_WINDOWS
        outFile = _wfopen(outputFilename.c_str(), L"wb");
#else
        outFile = fopen(outputFilename.c_str(), "wb");
#endif
        if (!outFile) {
            fprintf(stderr, "Failed to open output for writing\n");
            return 1;
        }
    }

    for (int arg = 3; arg < argc; arg++) {
        nstring argString = argv[arg];
        if (argString == NSTRING("-y4m")) {
            y4m = true;
        } else if (argString == NSTRING("-info")) {
            showInfo = true;
        } else if (argString == NSTRING("-index")) {
            bool ok = false;
            if (argc <= arg + 1) {
                fprintf(stderr, "No index number specified\n");
                return 1;
            }

            if (!nstringToInt(argv[arg + 1], outputIndex)) {
                fprintf(stderr, "Couldn't convert %s to an integer\n", nstringToUtf8(argv[arg + 1]).c_str());
                return 1;
            }
            arg++;
        } else if (argString == NSTRING("-requests")) {
            bool ok = false;
            if (argc <= arg + 1) {
                fprintf(stderr, "No request number specified\n");
                return 1;
            }
            if (!nstringToInt(argv[arg + 1], requests)) {
                fprintf(stderr, "Couldn't convert %s to an integer\n", nstringToUtf8(argv[arg + 1]).c_str());
                return 1;
            }
            arg++;
        } else if (argString == NSTRING("-progress")) {
            printFrameNumber = true;
        } else {
            fprintf(stderr, "Unknown argument: %s\n", nstringToUtf8(argString).c_str());
            return 1;
        }
    }

    if (!vsscript_init()) {
        fprintf(stderr, "Failed to initialize VapourSynth environment\n");
        return 1;
    }

    vsapi = vsscript_getVSApi();
    if (!vsapi) {
        fprintf(stderr, "Failed to get VapourSynth API pointer\n");
        vsscript_finalize();
        return 1;
    }

    std::chrono::time_point<std::chrono::high_resolution_clock> start(std::chrono::high_resolution_clock::now());

    if (vsscript_evaluateFile(&se,  nstringToUtf8(argv[1]).c_str(), efSetWorkingDir)) {
        fprintf(stderr, "Script evaluation failed:\n%s\n", vsscript_getError(se));
        vsscript_freeScript(se);
        vsscript_finalize();
        return 1;
    }

    node = vsscript_getOutput(se, outputIndex);
    if (!node) {
       fprintf(stderr, "Failed to retrieve output node. Invalid index specified?\n");
       vsscript_freeScript(se);
       vsscript_finalize();
       return 1;
    }

    bool error = false;
    const VSVideoInfo *vi = vsapi->getVideoInfo(node);

    if (showInfo) {
        fprintf(outFile, "Width: %d\n", vi->width);
        fprintf(outFile, "Height: %d\n", vi->height);
        fprintf(outFile, "Frames: %d\n", vi->numFrames);
        fprintf(outFile, "FPS: %" PRId64 "/%" PRId64 "\n", vi->fpsNum, vi->fpsDen);

        if (vi->format) {
            fprintf(outFile, "Format Name: %s\n", vi->format->name);
            fprintf(outFile, "Color Family: %s\n", colorFamilyToString(vi->format->colorFamily));
            fprintf(outFile, "Bits: %d\n", vi->format->bitsPerSample);
            fprintf(outFile, "SubSampling W: %d\n", vi->format->subSamplingW);
            fprintf(outFile, "SubSampling H: %d\n", vi->format->subSamplingH);
        } else {
            fprintf(outFile, "Format Name: Variable\n");
        }
    } else {
        if (!isConstantFormat(vi) || vi->numFrames == 0) {
            fprintf(stderr, "Cannot output clips with varying dimensions or unknown length\n");
            vsapi->freeNode(node);
            vsscript_freeScript(se);
            vsscript_finalize();
            return 1;
        }

        lastFpsReportTime = std::chrono::high_resolution_clock::now();
        error = outputNode();
    }

    fflush(outFile);
    std::chrono::time_point<std::chrono::high_resolution_clock> end(std::chrono::high_resolution_clock::now());
    std::chrono::duration<double> elapsedSeconds = end - start;
    fprintf(stderr, "Output %d frames in %.2f seconds (%.2f fps)\n", outputFrames, elapsedSeconds.count(), outputFrames / elapsedSeconds.count());
    vsapi->freeNode(node);
    vsscript_freeScript(se);
    vsscript_finalize();

    return error;
}
Esempio n. 2
0
int wmain(int argc, wchar_t **argv) {
#else
int main(int argc, char **argv) {
#endif

    if (argc < 3) {
        fprintf(stderr, "VSPipe usage:\n");
		fprintf(stderr, "Show script info: vspipe script.vpy - -info\n");
        fprintf(stderr, "Write to stdout: vspipe script.vpy - [options]\n");
        fprintf(stderr, "Write to file: vspipe script.vpy <outFile> [options]\n");
        fprintf(stderr, "Available options:\n");
		fprintf(stderr, "Select output index: -index N\n");
		fprintf(stderr, "Set number of concurrent frame requests: -requests N\n");
		fprintf(stderr, "Add YUV4MPEG headers: -y4m\n");
		fprintf(stderr, "Show video info: -info (overrides other options)\n");
        return 1;
    }

	QFile scriptFile(nativeToQString(argv[1]));
	if (!scriptFile.open(QIODevice::ReadOnly)) {
        fprintf(stderr, "Failed to to open script file for reading\n");
        return 1;
	}

	if (scriptFile.size() > 1024*1024*16) {
        fprintf(stderr, "Script files bigger than 16MB not allowed\n");
        return 1;
	}

    QByteArray scriptData = scriptFile.readAll();
	scriptFile.close();
    if (scriptData.isEmpty()) {
        fprintf(stderr, "Failed to read script file or file is empty\n");
        return 1;
    }

	QString outputFilename = nativeToQString(argv[2]);
	if (outputFilename == "-") {
		outFile = stdout;
	} else {
#ifdef VS_TARGET_OS_WINDOWS
		outFile = _wfopen(outputFilename.toStdWString().c_str(), L"wb");
#else
		outFile = fopen(outputFilename.toLocal8Bit(), "wb");
#endif
		if (!outFile) {
			fprintf(stderr, "Failed to open output for writing\n");
			return 1;
		}
	}

	for (int arg = 3; arg < argc; arg++) {
		QString argString = nativeToQString(argv[arg]);
		if (argString == "-y4m") {
			y4m = true;
		} else if (argString == "-info") {
			showInfo = true;
		} else if (argString == "-index") {
			bool ok = false;
			if (argc <= arg + 1) {
				fprintf(stderr, "No index number specified");
				return 1;
			}
			QString numString = nativeToQString(argv[arg+1]);
			outputIndex = numString.toInt(&ok);
			if (!ok) {
				fprintf(stderr, "Couldn't convert %s to an integer", numString.toUtf8().constData());
				return 1;
			}
			arg++;
		} else if (argString == "-requests") {
			bool ok = false;
			if (argc <= arg + 1) {
				fprintf(stderr, "No request number specified");
				return 1;
			}
			QString numString = nativeToQString(argv[arg+1]);
			requests = numString.toInt(&ok);
			if (!ok) {
				fprintf(stderr, "Couldn't convert %s to an integer", numString.toUtf8().constData());
				return 1;
			}
			arg++;
		} else {
			fprintf(stderr, "Unknown argument: %s\n", argString.toUtf8().constData());
			return 1;
		}
	}

    if (!vseval_init()) {
        fprintf(stderr, "Failed to initialize VapourSynth environment\n");
        return 1;
    }

    vsapi = vseval_getVSApi();
    if (!vsapi) {
        fprintf(stderr, "Failed to get VapourSynth API pointer\n");
        vseval_finalize();
        return 1;
    }

	if (vseval_evaluateScript(&se, scriptData.constData(), nativeToQString(argv[1]).toUtf8())) {
        fprintf(stderr, "Script evaluation failed:\n%s", vseval_getError(se));
        vseval_freeScript(se);
        vseval_finalize();
        return 1;
    }

    node = vseval_getOutput(se, outputIndex);
    if (!node) {
       fprintf(stderr, "Failed to retrieve output node. Invalid index specified?\n");
       vseval_freeScript(se);
       vseval_finalize();
       return 1;
    }

	bool error = false;
	const VSVideoInfo *vi = vsapi->getVideoInfo(node);

	if (showInfo) {
		fprintf(outFile, "Width: %d\n", vi->width);
		fprintf(outFile, "Height: %d\n", vi->height);
		fprintf(outFile, "Frames: %d\n", vi->numFrames);
		fprintf(outFile, "FPS: %" PRId64 "/%" PRId64 "\n", vi->fpsNum, vi->fpsDen);

		if (vi->format) {
			fprintf(outFile, "Format Name: %s\n", vi->format->name);
			fprintf(outFile, "Color Family: %s\n", colorFamilyToString(vi->format->colorFamily));
			fprintf(outFile, "Bits: %d\n", vi->format->bitsPerSample);
			fprintf(outFile, "SubSampling W: %d\n", vi->format->subSamplingW);
			fprintf(outFile, "SubSampling H: %d\n", vi->format->subSamplingH);
		} else {
			fprintf(outFile, "Format Name: Variable\n");
		}
	} else {
		if (!isConstantFormat(vi) || vi->numFrames == 0) {
			fprintf(stderr, "Cannot output clips with varying dimensions or unknown length\n");
			vsapi->freeNode(node);
			vseval_freeScript(se);
			vseval_finalize();
			return 1;
		}

		error = outputNode();
	}

	fflush(outFile);
    vsapi->freeNode(node);
    vseval_freeScript(se);
    vseval_finalize();

	return error;
}
Esempio n. 3
0
static const VSFrameRef *VS_CC textGetFrame(int n, int activationReason, void **instanceData, void **frameData, VSFrameContext *frameCtx, VSCore *core, const VSAPI *vsapi) {
    TextData *d = static_cast<TextData *>(*instanceData);

    if (activationReason == arInitial) {
        vsapi->requestFrameFilter(n, d->node, frameCtx);
    } else if (activationReason == arAllFramesReady) {
        const VSFrameRef *src = vsapi->getFrameFilter(n, d->node, frameCtx);       

        const VSFormat *frame_format = vsapi->getFrameFormat(src);
        if ((frame_format->sampleType == stInteger && frame_format->bitsPerSample > 16) ||
            (frame_format->sampleType == stFloat && frame_format->bitsPerSample != 32)) {
                vsapi->freeFrame(src);
                vsapi->setFilterError((d->instanceName + ": Only 8..16 bit integer and 32 bit float formats supported").c_str(), frameCtx);
                return nullptr;
        }

        VSFrameRef *dst = vsapi->copyFrame(src, core);

        if (d->filter == FILTER_FRAMENUM) {
            scrawl_text(std::to_string(n), d->alignment, dst, vsapi);
        } else if (d->filter == FILTER_FRAMEPROPS) {
            const VSMap *props = vsapi->getFramePropsRO(dst);
            int numKeys = vsapi->propNumKeys(props);
            int i;
            std::string text = "Frame properties:\n";

            if (!d->props.empty()) {
                for (const auto &iter : d->props) {
                    append_prop(text, iter, props, vsapi);
                }
            } else {
                for (i = 0; i < numKeys; i++) {
                    const char *key = vsapi->propGetKey(props, i);
                    append_prop(text, key, props, vsapi);
                }
            }

            scrawl_text(text, d->alignment, dst, vsapi);
        } else if (d->filter == FILTER_COREINFO) {
            const VSCoreInfo *ci = vsapi->getCoreInfo(core);

            std::string text;
            text.append(ci->versionString).append("\n");
            text.append("Threads: ").append(std::to_string(ci->numThreads)).append("\n");
            text.append("Maximum framebuffer cache size: ").append(std::to_string(ci->maxFramebufferSize)).append(" bytes\n");
            text.append("Used framebuffer cache size: ").append(std::to_string(ci->usedFramebufferSize)).append(" bytes");

            scrawl_text(text, d->alignment, dst, vsapi);
        } else if (d->filter == FILTER_CLIPINFO) {
            const VSMap *props = vsapi->getFramePropsRO(src);
            std::string text = "Clip info:\n";

            if (d->vi->width) {
                text += "Width: " + std::to_string(vsapi->getFrameWidth(dst, 0)) + " px\n";
                text += "Height: " + std::to_string(vsapi->getFrameHeight(dst, 0)) + " px\n";
            } else {
                text += "Width: " + std::to_string(vsapi->getFrameWidth(dst, 0)) + " px (may vary)\n";
                text += "Height: " + std::to_string(vsapi->getFrameHeight(dst, 0)) + " px (may vary)\n";
            }

            int snerr, sderr;
            int sn = int64ToIntS(vsapi->propGetInt(props, "_SARNum", 0, &snerr));
            int sd = int64ToIntS(vsapi->propGetInt(props, "_SARDen", 0, &sderr));
            if (snerr || sderr)
                text += "Aspect ratio: Unknown\n";
            else
                text += "Sample aspect ratio: " + std::to_string(sn) + ":" + std::to_string(sd) + "\n";

            text += "Length: " + std::to_string(d->vi->numFrames) + " frames\n";

            text += "Format name: " + std::string(frame_format->name) + (d->vi->format ? "\n" : " (may vary)\n");

            text += "Color family: " + colorFamilyToString(frame_format->colorFamily) + "\n";
            text += "Sample type: " + std::string(frame_format->sampleType == stInteger ? "Integer" : "Float") + "\n";
            text += "Bits per sample: " + std::to_string(frame_format->bitsPerSample) + "\n";
            text += "Subsampling Height/Width: " + std::to_string(1 << frame_format->subSamplingH) + "x/" + std::to_string(1 << frame_format->subSamplingW) + "x\n";

            int err;
            int matrix = int64ToIntS(vsapi->propGetInt(props, "_Matrix", 0, &err));
            if (err)
                matrix = -1;
            int primaries = int64ToIntS(vsapi->propGetInt(props, "_Primaries", 0, &err));
            if (err)
                primaries = -1;
            int transfer = int64ToIntS(vsapi->propGetInt(props, "_Transfer", 0, &err));
            if (err)
                transfer = -1;
            int range = int64ToIntS(vsapi->propGetInt(props, "_ColorRange", 0, &err));
            if (err)
                range = -1;
            int location = int64ToIntS(vsapi->propGetInt(props, "_ChromaLocation", 0, &err));
            if (err)
                location = -1;
            int field = int64ToIntS(vsapi->propGetInt(props, "_FieldBased", 0, &err));
            if (err)
                field = -1;

            const char *picttype = vsapi->propGetData(props, "_PictType", 0, &err);

            text += "Matrix: " + matrixToString(matrix) + "\n";
            text += "Primaries: " + primariesToString(primaries) + "\n";
            text += "Transfer: " + transferToString(transfer) + "\n";
            text += "Range: " + rangeToString(range) + "\n";
            text += "Chroma Location: " + chromaLocationToString(location) + "\n";
            text += "Field handling: " + fieldBasedToString(field) + "\n";
            text += "Picture type: " + std::string(picttype ? picttype : "Unknown") + "\n";

            if (d->vi->fpsNum && d->vi->fpsDen) {
                text += "Fps: " + std::to_string(d->vi->fpsNum) + "/" + std::to_string(d->vi->fpsDen) + " (" + std::to_string(static_cast<double>(d->vi->fpsNum) / d->vi->fpsDen) + ")\n";
            } else {
                text += "Fps: Unknown\n";
            }

            int fnerr, fderr;
            int fn = int64ToIntS(vsapi->propGetInt(props, "_DurationNum", 0, &fnerr));
            int fd = int64ToIntS(vsapi->propGetInt(props, "_DurationDen", 0, &fderr));
            if (fnerr || fderr) {
                text += "Frame duration: Unknown\n";
            } else {
                text += "Frame duration: " + std::to_string(fn) + "/" + std::to_string(fd) + " (" + std::to_string(static_cast<double>(fn) / fd) + ")\n";
            }

            scrawl_text(text, d->alignment, dst, vsapi);
        } else {
            scrawl_text(d->text, d->alignment, dst, vsapi);
        }

        vsapi->freeFrame(src);
        return dst;
    }

    return nullptr;
}
Esempio n. 4
0
int wmain(int argc, wchar_t **argv) {
    if (_setmode(_fileno(stdout), _O_BINARY) == -1)
        fprintf(stderr, "Failed to set stdout to binary mode\n");
    SetConsoleCtrlHandler(HandlerRoutine, TRUE);
#else
int main(int argc, char **argv) {
#endif
    nstring outputFilename, scriptFilename;
    bool showHelp = false;
    std::map<std::string, std::string> scriptArgs;
    int startFrame = 0;

    for (int arg = 1; arg < argc; arg++) {
        nstring argString = argv[arg];
        if (argString == NSTRING("-v") || argString == NSTRING("--version")) {
            showVersion = true;
        } else if (argString == NSTRING("-y") || argString == NSTRING("--y4m")) {
            y4m = true;
        } else if (argString == NSTRING("-p") || argString == NSTRING("--progress")) {
            printFrameNumber = true;
        } else if (argString == NSTRING("-i") || argString == NSTRING("--info")) {
            showInfo = true;
        } else if (argString == NSTRING("-h") || argString == NSTRING("--help")) {
            showHelp = true;
        } else if (argString == NSTRING("-s") || argString == NSTRING("--start")) {
            if (argc <= arg + 1) {
                fprintf(stderr, "No start frame specified\n");
                return 1;
            }

            if (!nstringToInt(argv[arg + 1], startFrame)) {
                fprintf(stderr, "Couldn't convert %s to an integer (start)\n", nstringToUtf8(argv[arg + 1]).c_str());
                return 1;
            }

            if (startFrame < 0) {
                fprintf(stderr, "Negative start frame specified\n");
                return 1;
            }

            completedFrames = startFrame;
            outputFrames = startFrame;
            requestedFrames = startFrame;
            lastFpsReportFrame = startFrame;

            arg++;
        } else if (argString == NSTRING("-e") || argString == NSTRING("--end")) {
            if (argc <= arg + 1) {
                fprintf(stderr, "No end frame specified\n");
                return 1;
            }

            if (!nstringToInt(argv[arg + 1], totalFrames)) {
                fprintf(stderr, "Couldn't convert %s to an integer (end)\n", nstringToUtf8(argv[arg + 1]).c_str());
                return 1;
            }

            if (totalFrames < 0) {
                fprintf(stderr, "Negative end frame specified\n");
                return 1;
            }

            totalFrames++;
            arg++;
        } else if (argString == NSTRING("-o") || argString == NSTRING("--outputindex")) {
            if (argc <= arg + 1) {
                fprintf(stderr, "No output index specified\n");
                return 1;
            }

            if (!nstringToInt(argv[arg + 1], outputIndex)) {
                fprintf(stderr, "Couldn't convert %s to an integer (index)\n", nstringToUtf8(argv[arg + 1]).c_str());
                return 1;
            }
            arg++;
        } else if (argString == NSTRING("-r") || argString == NSTRING("--requests")) {
            if (argc <= arg + 1) {
                fprintf(stderr, "Number of requests not specified\n");
                return 1;
            }
            if (!nstringToInt(argv[arg + 1], requests)) {
                fprintf(stderr, "Couldn't convert %s to an integer (requests)\n", nstringToUtf8(argv[arg + 1]).c_str());
                return 1;
            }
            arg++;
        } else if (argString == NSTRING("-a") || argString == NSTRING("--arg")) {
            if (argc <= arg + 1) {
                fprintf(stderr, "No argument specified\n");
                return 1;
            }

            std::string aLine = nstringToUtf8(argv[arg + 1]).c_str();
            size_t equalsPos = aLine.find("=");
            if (equalsPos == std::string::npos) {
                fprintf(stderr, "No value specified for argument: %s\n", aLine.c_str());
                return 1;
            }

            scriptArgs[aLine.substr(0, equalsPos)] = aLine.substr(equalsPos + 1);

            arg++;
        } else if (scriptFilename.empty() && !argString.empty() && argString.substr(0, 1) != NSTRING("-")) {
            scriptFilename = argString;
        } else if (outputFilename.empty() && !argString.empty() && (argString == NSTRING("-") || (argString.substr(0, 1) != NSTRING("-")))) {
            outputFilename = argString;
        } else {
            fprintf(stderr, "Unknown argument: %s\n", nstringToUtf8(argString).c_str());
            return 1;
        }
    }

    if (showVersion && argc > 2) {
        fprintf(stderr, "Cannot combine version information with other options\n");
        return 1;
    } else if (showVersion) {
        return printVersion() ? 0 : 1;
    } else if (showHelp || argc <= 1) {
        printHelp();
        return 1;
    } else if (scriptFilename.empty()) {
        fprintf(stderr, "No script file specified\n");
        return 1;
    } else if (outputFilename.empty()) {
        fprintf(stderr, "No output file specified\n");
        return 1;
    }

    if (outputFilename == NSTRING("-")) {
        outFile = stdout;
    } else {
#ifdef VS_TARGET_OS_WINDOWS
        outFile = _wfopen(outputFilename.c_str(), L"wb");
#else
        outFile = fopen(outputFilename.c_str(), "wb");
#endif
        if (!outFile) {
            fprintf(stderr, "Failed to open output for writing\n");
            return 1;
        }
    }

    if (!vsscript_init()) {
        fprintf(stderr, "Failed to initialize VapourSynth environment\n");
        return 1;
    }

    vsapi = vsscript_getVSApi();
    if (!vsapi) {
        fprintf(stderr, "Failed to get VapourSynth API pointer\n");
        vsscript_finalize();
        return 1;
    }
    
    // Should always succeed
    if (vsscript_createScript(&se)) {
        fprintf(stderr, "Script environment initialization failed:\n%s\n", vsscript_getError(se));
        vsscript_freeScript(se);
        vsscript_finalize();
        return 1;
    }

    {
        VSMap *foldedArgs = vsapi->createMap();
        for (const auto &iter : scriptArgs)
            vsapi->propSetData(foldedArgs, iter.first.c_str(), iter.second.c_str(), static_cast<int>(iter.second.size()), paAppend);
        vsscript_setVariable(se, foldedArgs);
        vsapi->freeMap(foldedArgs);
    }

    start = std::chrono::high_resolution_clock::now();
    if (vsscript_evaluateFile(&se, nstringToUtf8(scriptFilename).c_str(), efSetWorkingDir)) {
        fprintf(stderr, "Script evaluation failed:\n%s\n", vsscript_getError(se));
        vsscript_freeScript(se);
        vsscript_finalize();
        return 1;
    }

    node = vsscript_getOutput(se, outputIndex);
    if (!node) {
       fprintf(stderr, "Failed to retrieve output node. Invalid index specified?\n");
       vsscript_freeScript(se);
       vsscript_finalize();
       return 1;
    }

    bool error = false;
    const VSVideoInfo *vi = vsapi->getVideoInfo(node);

    if (showInfo) {
        if (vi->width && vi->height) {
            fprintf(outFile, "Width: %d\n", vi->width);
            fprintf(outFile, "Height: %d\n", vi->height);
        } else {
            fprintf(outFile, "Width: Variable\n");
            fprintf(outFile, "Height: Variable\n");
        }
        if (vi->numFrames)
            fprintf(outFile, "Frames: %d\n", vi->numFrames);
        else
            fprintf(outFile, "Frames: Unknown\n");
        if (vi->fpsNum && vi->fpsDen)
            fprintf(outFile, "FPS: %" PRId64 "/%" PRId64 " (%.3f fps)\n", vi->fpsNum, vi->fpsDen, vi->fpsNum/(double)vi->fpsDen);
        else
            fprintf(outFile, "FPS: Variable\n");

        if (vi->format) {
            fprintf(outFile, "Format Name: %s\n", vi->format->name);
            fprintf(outFile, "Color Family: %s\n", colorFamilyToString(vi->format->colorFamily));
            fprintf(outFile, "Bits: %d\n", vi->format->bitsPerSample);
            fprintf(outFile, "SubSampling W: %d\n", vi->format->subSamplingW);
            fprintf(outFile, "SubSampling H: %d\n", vi->format->subSamplingH);
        } else {
            fprintf(outFile, "Format Name: Variable\n");
        }
    } else {
        const VSVideoInfo *vi = vsapi->getVideoInfo(node);
        if (totalFrames == -1)
            totalFrames = vi->numFrames;
        if ((vi->numFrames && vi->numFrames < totalFrames) || completedFrames >= totalFrames) {
            fprintf(stderr, "Invalid range of frames to output specified:\nfirst: %d\nlast: %d\nclip length: %d\nframes to output: %d\n", completedFrames, totalFrames, vi->numFrames, totalFrames - completedFrames);
            vsapi->freeNode(node);
            vsscript_freeScript(se);
            vsscript_finalize();
            return 1;
        }

        if (!isConstantFormat(vi) || !totalFrames) {
            fprintf(stderr, "Cannot output clips with varying dimensions or unknown length\n");
            vsapi->freeNode(node);
            vsscript_freeScript(se);
            vsscript_finalize();
            return 1;
        }

        lastFpsReportTime = std::chrono::high_resolution_clock::now();;
        error = outputNode();
    }

    fflush(outFile);

    if (!showInfo) {
        int totalFrames = outputFrames - startFrame;
        std::chrono::duration<double> elapsedSeconds = std::chrono::high_resolution_clock::now() - start;
        fprintf(stderr, "Output %d frames in %.2f seconds (%.2f fps)\n", totalFrames, elapsedSeconds.count(), totalFrames / elapsedSeconds.count());
    }
    vsapi->freeNode(node);
    vsscript_freeScript(se);
    vsscript_finalize();

    return error ? 1 : 0;
}