JohannesItten
42507886fe
V210.hpp: add fill_colorbars, fill_ire_ramp, fill_black, fill_white.
Shared fill_solid helper stamps the first line across all rows via
memcpy. Generic write_palette_line template handles both SMPTE and
IRE bar palettes. fill_frame kept as a backward-compat alias.
testpattern/main.cpp: read "pattern" from node config and dispatch
to the appropriate fill function (bars/ire/black/white).
build_graph: pass {"pattern","bars"} to testpattern node params.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
77 lines
3.0 KiB
C++
77 lines
3.0 KiB
C++
#include <string>
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#include <mxl/flow.h>
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#include <mxl/time.h>
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#include "NodeBase.hpp"
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#include "FlowDef.hpp"
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#include "V210.hpp"
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class TestPatternNode : public dmf::NodeBase {
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void run() override {
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const auto flow_info = config().at("flow_id");
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const auto flow_id = flow_info.at("id").get<std::string>();
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const int width = flow_info.value("width", 1920);
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const int height = flow_info.value("height", 1080);
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const int fps_num = flow_info.value("fps_num", 25);
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const int fps_den = flow_info.value("fps_den", 1);
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log("flow=%s %dx%d @ %d/%d fps", flow_id.c_str(), width, height, fps_num, fps_den);
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const std::string flow_def =
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dmf::make_video_flow_def(flow_id, node_id(), width, height, fps_num, fps_den);
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mxlFlowWriter writer{};
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mxlFlowConfigInfo cfg_info{};
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bool created = false;
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mxlStatus st = mxlCreateFlowWriter(
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instance(), flow_def.c_str(), nullptr, &writer, &cfg_info, &created);
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if (st != MXL_STATUS_OK) {
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log("mxlCreateFlowWriter failed (status=%d)", st);
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return;
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}
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const uint32_t stride = cfg_info.discrete.sliceSizes[0];
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const auto pattern = config().value("pattern", "bars");
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log("stride=%u B/line grain=%u B ring=%u grains pattern=%s",
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stride, stride * static_cast<uint32_t>(height), cfg_info.discrete.grainCount,
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pattern.c_str());
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const mxlRational rate = {fps_num, fps_den};
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uint64_t index = mxlGetCurrentIndex(&rate);
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log("start index=%llu", index);
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while (dmf::g_running.load(std::memory_order_relaxed)) {
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mxlGrainInfo grain{};
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uint8_t* buf = nullptr;
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st = mxlFlowWriterOpenGrain(writer, index, &grain, &buf);
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if (st != MXL_STATUS_OK) {
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log("OpenGrain failed (status=%d), skipping index=%llu", st, index);
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index++;
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continue;
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}
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if (pattern == "bars") dmf::v210::fill_colorbars(buf, width, height, stride);
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else if (pattern == "ire") dmf::v210::fill_ire_ramp (buf, width, height, stride);
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else if (pattern == "black") dmf::v210::fill_black (buf, width, height, stride);
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else if (pattern == "white") dmf::v210::fill_white (buf, width, height, stride);
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else dmf::v210::fill_colorbars (buf, width, height, stride);
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grain.flags = 0;
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grain.validSlices = grain.totalSlices; // mark grain complete so readers can consume it
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mxlFlowWriterCommitGrain(writer, &grain);
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const uint64_t ns = mxlGetNsUntilIndex(index + 1, &rate);
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if (ns > 0 && ns < 2'000'000'000ULL) mxlSleepForNs(ns);
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index++;
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}
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log("stopped at index=%llu", index);
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mxlReleaseFlowWriter(instance(), writer);
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}
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};
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int main() {
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TestPatternNode node;
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return node.execute();
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}
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