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-rw-r--r--utils/wbm2m.cpp168
1 files changed, 168 insertions, 0 deletions
diff --git a/utils/wbm2m.cpp b/utils/wbm2m.cpp
new file mode 100644
index 0000000..1f8dffa
--- /dev/null
+++ b/utils/wbm2m.cpp
@@ -0,0 +1,168 @@
+#include <cstdio>
+#include <poll.h>
+#include <unistd.h>
+#include <algorithm>
+#include <fstream>
+#include <map>
+
+#include <kms++/kms++.h>
+#include <kms++util/kms++util.h>
+#include <kms++util/videodevice.h>
+
+const uint32_t NUM_SRC_BUFS=2;
+const uint32_t NUM_DST_BUFS=2;
+
+using namespace std;
+using namespace kms;
+
+static const char* usage_str =
+ "Usage: wbm2m [OPTIONS]\n\n"
+ "Options:\n"
+ " -f, --format=4CC Output format"
+ " -h, --help Print this help\n"
+ ;
+
+const int bar_speed = 4;
+const int bar_width = 10;
+
+static unsigned get_bar_pos(DumbFramebuffer* fb, unsigned frame_num)
+{
+ return (frame_num * bar_speed) % (fb->width() - bar_width + 1);
+}
+
+static void read_frame(DumbFramebuffer* fb, unsigned frame_num)
+{
+ static map<DumbFramebuffer*, int> s_bar_pos_map;
+
+ int old_pos = -1;
+ if (s_bar_pos_map.find(fb) != s_bar_pos_map.end())
+ old_pos = s_bar_pos_map[fb];
+
+ int pos = get_bar_pos(fb, frame_num);
+ draw_color_bar(*fb, old_pos, pos, bar_width);
+ draw_text(*fb, fb->width() / 2, 0, to_string(frame_num), RGB(255, 255, 255));
+ s_bar_pos_map[fb] = pos;
+}
+
+int main(int argc, char** argv)
+{
+ // XXX get from args
+ const uint32_t src_width = 800;
+ const uint32_t src_height = 480;
+ const auto src_fmt = PixelFormat::XRGB8888;
+ const uint32_t num_src_frames = 10;
+
+ const uint32_t dst_width = 800;
+ const uint32_t dst_height = 480;
+ auto dst_fmt = PixelFormat::XRGB8888;
+
+ const string filename = "wb-out.raw";
+
+ OptionSet optionset = {
+ Option("f|format=", [&](string s)
+ {
+ dst_fmt = FourCCToPixelFormat(s);
+ }),
+ Option("h|help", [&]()
+ {
+ puts(usage_str);
+ exit(-1);
+ }),
+ };
+
+ optionset.parse(argc, argv);
+
+ if (optionset.params().size() > 0) {
+ puts(usage_str);
+ exit(-1);
+ }
+
+ VideoDevice vid("/dev/video10");
+
+ Card card;
+
+ uint32_t src_frame_num = 0;
+ uint32_t dst_frame_num = 0;
+
+ VideoStreamer* out = vid.get_output_streamer();
+ VideoStreamer* in = vid.get_capture_streamer();
+
+ out->set_format(src_fmt, src_width, src_height);
+ in->set_format(dst_fmt, dst_width, dst_height);
+
+ out->set_queue_size(NUM_SRC_BUFS);
+ in->set_queue_size(NUM_DST_BUFS);
+
+
+ for (unsigned i = 0; i < min(NUM_SRC_BUFS, num_src_frames); ++i) {
+ auto fb = new DumbFramebuffer(card, src_width, src_height, src_fmt);
+
+ read_frame(fb, src_frame_num++);
+
+ out->queue(fb);
+ }
+
+ for (unsigned i = 0; i < min(NUM_DST_BUFS, num_src_frames); ++i) {
+ auto fb = new DumbFramebuffer(card, dst_width, dst_height, dst_fmt);
+ in->queue(fb);
+ }
+
+ vector<pollfd> fds(3);
+
+ fds[0].fd = 0;
+ fds[0].events = POLLIN;
+ fds[1].fd = vid.fd();
+ fds[1].events = POLLIN;
+ fds[2].fd = card.fd();
+ fds[2].events = POLLIN;
+
+ ofstream os(filename, ofstream::binary);
+
+ out->stream_on();
+ in->stream_on();
+
+ while (true) {
+ int r = poll(fds.data(), fds.size(), -1);
+ ASSERT(r > 0);
+
+ if (fds[0].revents != 0)
+ break;
+
+ if (fds[1].revents) {
+ fds[1].revents = 0;
+
+
+ try {
+ DumbFramebuffer *dst_fb = in->dequeue();
+ printf("Writing frame %u\n", dst_frame_num);
+ for (unsigned i = 0; i < dst_fb->num_planes(); ++i)
+ os.write((char*)dst_fb->map(i), dst_fb->size(i));
+ in->queue(dst_fb);
+
+ dst_frame_num++;
+
+ if (dst_frame_num >= num_src_frames)
+ break;
+
+ } catch (system_error& se) {
+ if (se.code() != errc::resource_unavailable_try_again)
+ FAIL("dequeue failed: %s", se.what());
+
+ break;
+ }
+
+ DumbFramebuffer *src_fb = out->dequeue();
+
+ if (src_frame_num < num_src_frames) {
+ read_frame(src_fb, src_frame_num++);
+ out->queue(src_fb);
+ }
+ }
+
+ if (fds[2].revents) {
+ fds[2].revents = 0;
+ }
+ }
+
+ printf("exiting...\n");
+}