static const VSFrameRef *VS_CC textGetFrame(int n, int activationReason, void **instanceData, void **frameData, VSFrameContext *frameCtx, VSCore *core, const VSAPI *vsapi) {
TextData *d = (TextData *) * instanceData;
if (activationReason == arInitial) {
vsapi->requestFrameFilter(n, d->node, frameCtx);
} else if (activationReason == arAllFramesReady) {
const VSFrameRef *src = vsapi->getFrameFilter(n, d->node, frameCtx);
VSFrameRef *dst = vsapi->copyFrame(src, core);
vsapi->freeFrame(src);
const VSFormat *frame_format = vsapi->getFrameFormat(dst);
if ((frame_format->sampleType == stInteger && frame_format->bitsPerSample > 16) ||
(frame_format->sampleType == stFloat && frame_format->bitsPerSample != 32)) {
vsapi->setFilterError((d->instanceName + ": Only 8..16 bit integer and 32 bit float formats supported").c_str(), frameCtx);
return NULL;
}
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 (stringlist::const_iterator iter = d->props.begin(); iter != d->props.end(); ++iter) {
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 {
scrawl_text(d->text, d->alignment, dst, vsapi);
}
return dst;
}
return 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;
}