Drop v4l2

Drop (hacky) v4l2 support from kms++, and move it to a new, separate,
library.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>

1 files changed, 0 insertions, 222 deletions

diff --git a/utils/omap-wbm2m.cpp b/utils/omap-wbm2m.cpp
deleted file mode 100644
index 7dcae2e..0000000
--- a/utils/omap-wbm2m.cpp
+++ /dev/null
@@ -1,222 +0,0 @@
-#include <cstdio>
-#include <poll.h>
-#include <unistd.h>
-#include <algorithm>
-#include <regex>
-#include <fstream>
-#include <map>
-#include <system_error>
-#include <fmt/format.h>
-
-#include <kms++/kms++.h>
-#include <kms++util/kms++util.h>
-#include <v4l2++/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\n"
-	"  -c, --crop=CROP           CROP is <x>,<y>-<w>x<h>\n"
-	"  -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;
-}
-
-static void parse_crop(const string& crop_str, uint32_t& c_left, uint32_t& c_top,
-		       uint32_t& c_width, uint32_t& c_height)
-{
-	const regex crop_re("(\\d+),(\\d+)-(\\d+)x(\\d+)"); // 400,400-400x400
-
-	smatch sm;
-	if (!regex_match(crop_str, sm, crop_re))
-		EXIT("Failed to parse crop option '%s'", crop_str.c_str());
-
-	c_left = stoul(sm[1]);
-	c_top = stoul(sm[2]);
-	c_width = stoul(sm[3]);
-	c_height = stoul(sm[4]);
-}
-
-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;
-	uint32_t c_top, c_left, c_width, c_height;
-
-	auto dst_fmt = PixelFormat::XRGB8888;
-	bool use_selection = false;
-
-	OptionSet optionset = {
-		Option("f|format=", [&](string s) {
-			dst_fmt = FourCCToPixelFormat(s);
-		}),
-		Option("c|crop=", [&](string s) {
-			parse_crop(s, c_left, c_top, c_width, c_height);
-			use_selection = true;
-		}),
-		Option("h|help", [&]() {
-			puts(usage_str);
-			exit(-1);
-		}),
-	};
-
-	optionset.parse(argc, argv);
-
-	if (optionset.params().size() > 0) {
-		puts(usage_str);
-		exit(-1);
-	}
-
-	printf("%ux%u-%s -> %ux%u-%s\n", src_width, src_height, PixelFormatToFourCC(src_fmt).c_str(),
-	       dst_width, dst_height, PixelFormatToFourCC(dst_fmt).c_str());
-
-	const string filename = fmt::format("wb-out-{}x{}-{}.raw", dst_width, dst_height,
-					    PixelFormatToFourCC(dst_fmt));
-
-	printf("writing to %s\n", filename.c_str());
-
-	v4l2::VideoDevice vid("/dev/video10");
-
-	Card card;
-
-	uint32_t src_frame_num = 0;
-	uint32_t dst_frame_num = 0;
-
-	v4l2::VideoStreamer* out = vid.get_output_streamer();
-	v4l2::VideoStreamer* in = vid.get_capture_streamer();
-
-	out->set_format((v4l2::PixelFormat)src_fmt, src_width, src_height);
-	in->set_format((v4l2::PixelFormat)dst_fmt, dst_width, dst_height);
-
-	if (use_selection) {
-		out->set_selection(c_left, c_top, c_width, c_height);
-		printf("crop -> %u,%u-%ux%u\n", c_left, c_top, c_width, c_height);
-	}
-
-	out->set_queue_size(NUM_SRC_BUFS, v4l2::VideoMemoryType::DMABUF);
-	in->set_queue_size(NUM_DST_BUFS, v4l2::VideoMemoryType::DMABUF);
-
-	vector<DumbFramebuffer*> out_fbs;
-
-	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_fbs.push_back(fb);
-
-		v4l2::VideoBuffer vbuf{};
-		vbuf.m_mem_type = v4l2::VideoMemoryType::DMABUF;
-		vbuf.m_fd = fb->prime_fd(0);
-
-		out->queue(vbuf);
-	}
-
-	vector<DumbFramebuffer*> in_fbs;
-
-	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_fbs.push_back(fb);
-
-		v4l2::VideoBuffer vbuf{};
-		vbuf.m_mem_type = v4l2::VideoMemoryType::DMABUF;
-		vbuf.m_fd = fb->prime_fd(0);
-
-		in->queue(vbuf);
-	}
-
-	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 {
-				auto dst_vbuf = in->dequeue();
-
-				auto dst_fb = *find_if(in_fbs.begin(), in_fbs.end(), [fd = dst_vbuf.m_fd](auto& fb) { return fb->prime_fd(0) == fd; });
-
-				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_vbuf);
-
-				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;
-			}
-
-			auto src_vbuf = out->dequeue();
-
-			auto src_fb = *find_if(out_fbs.begin(), out_fbs.end(), [fd = src_vbuf.m_fd](auto& fb) { return fb->prime_fd(0) == fd; });
-
-			if (src_frame_num < num_src_frames) {
-				read_frame(src_fb, src_frame_num++);
-				out->queue(src_vbuf);
-			}
-		}
-
-		if (fds[2].revents) {
-			fds[2].revents = 0;
-		}
-	}
-
-	printf("exiting...\n");
-}