From b7c39347711fa34c2650c96ac4e03577c2a91e85 Mon Sep 17 00:00:00 2001
From: "Zed A. Shaw" <zed.shaw@gmail.com>
Date: Sat, 21 Sep 2024 16:43:20 -0400
Subject: [PATCH] First sort of working copy of the .ps1 prototype.

---
 .vimrc_proj             |  1 +
 main.cpp                | 29 +++++++++++++++++++++++++++++
 meson.build             | 10 +++++++++-
 scripts/reset_build.ps1 |  1 +
 scripts/reset_build.sh  |  1 +
 5 files changed, 41 insertions(+), 1 deletion(-)
 create mode 100644 .vimrc_proj
 create mode 100644 main.cpp

diff --git a/.vimrc_proj b/.vimrc_proj
new file mode 100644
index 0000000..d58d328
--- /dev/null
+++ b/.vimrc_proj
@@ -0,0 +1 @@
+set makeprg=meson\ compile\ -j\ 4\ -C\ .
diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..eae743f
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,29 @@
+#include <fmt/core.h>
+#include "dbc.hpp"
+
+#define BUF_MAX 1024 * 10
+using namespace fmt;
+
+const string TWITCH_BR="7M";
+
+FILE *run_ffmpeg() {
+  string ffmpeg_cmd = format("ffmpeg -listen 1 -i rtmp://192.168.254.146/  -bufsize 3000k  -maxrate $twitch_br  -flags +global_header  -c:v libx264  -preset veryfast -tune zerolatency  -g:v 60  -vb $twitch_br  -c:a copy  -f flv $twitch");
+
+  FILE *handle = popen(ffmpeg_cmd.c_str(), "r");
+  dbc::check(handle != nullptr, "failed to start ffmpeg");
+  return handle;
+}
+
+int main() {
+  FILE *handle = run_ffmpeg();
+  char buffer[BUF_MAX];
+  char *res = nullptr;
+
+  do {
+    res = fgets(buffer, BUF_MAX, handle);
+    print("OUT: {}", res);
+  } while(res != nullptr);
+
+  int rc = pclose(handle);
+  dbc::check(rc == 0, "error closing ffmpeg");
+}
diff --git a/meson.build b/meson.build
index 8e409b7..9d1e365 100644
--- a/meson.build
+++ b/meson.build
@@ -3,12 +3,20 @@ project('distributary', 'cpp',
 
 catch2 = dependency('catch2-with-main')
 fmt = dependency('fmt')
+json = dependency('nlohmann_json')
+depends = [catch2, fmt, json]
 
 runtests = executable('runtests', [
   'dbc.cpp',
   'tests/fsm.cpp',
   'tests/dbc.cpp',
   ],
-  dependencies: [catch2, fmt])
+  dependencies: depends)
+
+distributary = executable('distributary', [
+  'main.cpp',
+  'dbc.cpp',
+  ],
+  dependencies: depends)
 
 test('tests', runtests)
diff --git a/scripts/reset_build.ps1 b/scripts/reset_build.ps1
index 03ccae4..f49e981 100644
--- a/scripts/reset_build.ps1
+++ b/scripts/reset_build.ps1
@@ -6,6 +6,7 @@ cp *.wrap subprojects
 mkdir builddir
 meson wrap install fmt
 meson wrap install catch2
+meson wrap install nlohmann_json
 # $env:CC="clang"
 # $env:CXX="clang++"
 meson setup --default-library=static --prefer-static builddir
diff --git a/scripts/reset_build.sh b/scripts/reset_build.sh
index a419b6c..a2b40f3 100644
--- a/scripts/reset_build.sh
+++ b/scripts/reset_build.sh
@@ -9,4 +9,5 @@ mkdir builddir
 cp *.wrap subprojects
 meson wrap install fmt
 meson wrap install catch2
+meson wrap install nlohmann_json
 meson setup builddir