From ad6ea541e6d5c8fb76a45c200fcf92b570de6bad Mon Sep 17 00:00:00 2001
From: Martin Pulec <martin.pulec@cesnet.cz>
Date: Tue, 8 Oct 2019 09:27:25 +0200
Subject: [PATCH] Audio codec: improved help

+ mention that the bitrate is per channel
---
 src/audio/codec.cpp | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/src/audio/codec.cpp b/src/audio/codec.cpp
index cc5dfed5e..54b79a166 100644
--- a/src/audio/codec.cpp
+++ b/src/audio/codec.cpp
@@ -58,11 +58,14 @@
 #include "utils/misc.h"
 
 #include "lib_common.h"
+#include "rang.hpp"
 
 #include <algorithm>
 #include <climits>
 #include <unordered_map>
 
+using rang::fg;
+using rang::style;
 using namespace std;
 
 static const unordered_map<audio_codec_t, audio_codec_info_t, hash<int>> audio_codec_info = {
@@ -113,13 +116,17 @@ std::vector<std::pair<std::string, bool>> get_audio_codec_list(void){
 
 void list_audio_codecs(void) {
         printf("Syntax:\n");
-        printf("\t--audio-codec <audio_codec>[:sample_rate=<sampling_rate>][:bitrate=<bitrate>]\n");
-        printf("\n");
+        cout << style::bold << fg::red << "\t--audio-codec <codec_name>" << fg::reset << "[:sample_rate=<sampling_rate>][:bitrate=<bitrate>]\n" << style::reset;
+        cout << "\nwhere\n";
+        cout << "\t" << style::bold << "codec_name " << style::reset << " - one of the list below\n";
+        cout << "\t" << style::bold << "sample_rate" << style::reset << " - sample rate that will the codec used (may differ from captured)\n";
+        cout << "\t" << style::bold << "bitrate    " << style::reset << " - codec bitrate " << style::bold << "per channel" << style::reset << " (with optional k/M suffix)\n";
+        cout << "\n";
         printf("Supported audio codecs:\n");
         for (auto const &it : get_audio_codec_list()) {
-                printf("\t%s", it.first.c_str());
-                if(!it.second) {
-                        printf(" - unavailable");
+                cout << style::bold << "\t" << it.first << style::reset;
+                if (!it.second) {
+                        cout << " - " << fg::red <<"unavailable" << fg::reset;
                 } 
                 printf("\n");
         }