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122 lines
2.4 KiB
122 lines
2.4 KiB
#include <cstdio>
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#include <fstream>
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#include <unistd.h>
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#include <cassert>
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#include <kms++/kms++.h>
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#include <kms++util/kms++util.h>
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using namespace std;
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using namespace kms;
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static void read_frame(ifstream& is, DumbFramebuffer* fb, Crtc* crtc, Plane* plane)
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{
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for (unsigned i = 0; i < fb->num_planes(); ++i)
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is.read((char*)fb->map(i), fb->size(i));
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unsigned w = min(crtc->width(), fb->width());
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unsigned h = min(crtc->height(), fb->height());
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int r = crtc->set_plane(plane, *fb,
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0, 0, w, h,
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0, 0, fb->width(), fb->height());
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ASSERT(r == 0);
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}
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static const char* usage_str =
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"Usage: kmsview [options] <file> <width> <height> <fourcc>\n\n"
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"Options:\n"
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" -c, --connector <name> Output connector\n"
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" -t, --time <ms> Milliseconds to sleep between frames\n";
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static void usage()
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{
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puts(usage_str);
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}
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int main(int argc, char** argv)
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{
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uint32_t time = 0;
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string dev_path;
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string conn_name;
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OptionSet optionset = {
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Option("c|connector=", [&conn_name](string s) {
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conn_name = s;
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}),
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Option("|device=", [&dev_path](string s) {
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dev_path = s;
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}),
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Option("t|time=", [&time](const string& str) {
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time = stoul(str);
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}),
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Option("h|help", []() {
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usage();
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exit(-1);
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}),
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};
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optionset.parse(argc, argv);
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vector<string> params = optionset.params();
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if (params.size() != 4) {
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usage();
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exit(-1);
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}
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string filename = params[0];
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uint32_t w = stoi(params[1]);
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uint32_t h = stoi(params[2]);
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string modestr = params[3];
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auto pixfmt = FourCCToPixelFormat(modestr);
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ifstream is(filename, ifstream::binary);
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is.seekg(0, std::ios::end);
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unsigned fsize = is.tellg();
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is.seekg(0);
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Card card(dev_path);
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ResourceManager res(card);
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auto conn = res.reserve_connector(conn_name);
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auto crtc = res.reserve_crtc(conn);
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auto plane = res.reserve_overlay_plane(crtc, pixfmt);
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FAIL_IF(!plane, "available plane not found");
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auto fb = new DumbFramebuffer(card, w, h, pixfmt);
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unsigned frame_size = 0;
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for (unsigned i = 0; i < fb->num_planes(); ++i)
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frame_size += fb->size(i);
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assert(frame_size);
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unsigned num_frames = fsize / frame_size;
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printf("file size %u, frame size %u, frames %u\n", fsize, frame_size, num_frames);
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for (unsigned i = 0; i < num_frames; ++i) {
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printf("frame %d", i);
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fflush(stdout);
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read_frame(is, fb, crtc, plane);
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if (!time) {
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getchar();
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} else {
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usleep(time * 1000);
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printf("\n");
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}
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}
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is.close();
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if (time) {
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printf("press enter to exit\n");
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getchar();
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}
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delete fb;
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}
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