From ade32bea240fa74f01d4dd4792b1069cca619bba Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Sat, 20 Nov 2021 09:35:17 +0100
Subject: Improve youtube throttling by increasing youtube downloader range
 buffer size by 10

---
 plugins/youtube/YoutubeMediaProxy.hpp     | 3 ---
 src/Downloader.cpp                        | 6 +-----
 src/QuickMedia.cpp                        | 5 +----
 src/plugins/youtube/YoutubeMediaProxy.cpp | 9 +++------
 4 files changed, 5 insertions(+), 18 deletions(-)

diff --git a/plugins/youtube/YoutubeMediaProxy.hpp b/plugins/youtube/YoutubeMediaProxy.hpp
index 8e6ea38..e2c4bf7 100644
--- a/plugins/youtube/YoutubeMediaProxy.hpp
+++ b/plugins/youtube/YoutubeMediaProxy.hpp
@@ -25,9 +25,6 @@ namespace QuickMedia {
         virtual bool get_address(std::string &address) = 0;
 
         bool start_download(const std::string &media_url, ReadProgram &read_program, int64_t range_start, bool include_header, bool is_livestream = false, int livestream_sequence = -1);
-    private:
-        int rn = 0;
-        int rbuf = 0;
     };
 
     class YoutubeStaticMediaProxy : public YoutubeMediaProxy {
diff --git a/src/Downloader.cpp b/src/Downloader.cpp
index 1bb3e34..e5b1a3c 100644
--- a/src/Downloader.cpp
+++ b/src/Downloader.cpp
@@ -2,7 +2,6 @@
 #include "../include/Storage.hpp"
 #include "../include/NetUtils.hpp"
 #include "../include/Notification.hpp"
-#include <mglpp/system/Clock.hpp>
 #include <unistd.h>
 #include <signal.h>
 
@@ -346,7 +345,6 @@ namespace QuickMedia {
         }
 
         downloader_task = AsyncTask<void>([this]() {
-            mgl::Clock timer;
             // TODO: Poll instead of sleep
             while(!program_is_dead_in_current_thread()) {
                 if(youtube_video_media_proxy)
@@ -355,9 +353,7 @@ namespace QuickMedia {
                 if(youtube_audio_media_proxy)
                     youtube_audio_media_proxy->update();
 
-                const double sleep_left_sec = timer.restart();
-                if(sleep_left_sec > 0.000001)
-                    std::this_thread::sleep_for(std::chrono::milliseconds((long)(sleep_left_sec * 1000.0)));
+                usleep(1000);
             }
         });
 
diff --git a/src/QuickMedia.cpp b/src/QuickMedia.cpp
index b364fe0..464417a 100644
--- a/src/QuickMedia.cpp
+++ b/src/QuickMedia.cpp
@@ -2874,7 +2874,6 @@ namespace QuickMedia {
 
                 if(num_proxied_media > 0) {
                     youtube_downloader_task = AsyncTask<void>([&youtube_video_media_proxy, &youtube_audio_media_proxy]() {
-                        mgl::Clock timer;
                         // TODO: Poll instead of sleep
                         while(!program_is_dead_in_current_thread()) {
                             if(youtube_video_media_proxy)
@@ -2883,9 +2882,7 @@ namespace QuickMedia {
                             if(youtube_audio_media_proxy)
                                 youtube_audio_media_proxy->update();
 
-                            const double sleep_left_sec = timer.restart();
-                            if(sleep_left_sec > 0.000001)
-                                std::this_thread::sleep_for(std::chrono::milliseconds((long)(sleep_left_sec * 1000.0)));
+                            usleep(1000);
                         }
                     });
                 }
diff --git a/src/plugins/youtube/YoutubeMediaProxy.cpp b/src/plugins/youtube/YoutubeMediaProxy.cpp
index 913fb77..6e2c5c4 100644
--- a/src/plugins/youtube/YoutubeMediaProxy.cpp
+++ b/src/plugins/youtube/YoutubeMediaProxy.cpp
@@ -20,7 +20,7 @@
 
 namespace QuickMedia {
     static const int MAX_BUFFER_SIZE = 65536;
-    static const int64_t RANGE = 524287;
+    static const int64_t RANGE = 5242870;
     static const int64_t THROTTLED_DOWNLOAD_LIMIT_KB = 80; // TODO: What about people with really slow internet? What if the video player cache is not working and download is stuck, leading to false download speed calculation?
     static const int64_t THROTTLED_DURATION_SECS = 3;
     static const char download_error_response_msg[] = 
@@ -39,9 +39,9 @@ namespace QuickMedia {
     bool YoutubeMediaProxy::start_download(const std::string &media_url, ReadProgram &read_program, int64_t range_start, bool include_header, bool is_livestream, int livestream_sequence) {
         std::string r = std::to_string(range_start) + "-" + std::to_string(range_start + RANGE);
 
-        std::string url = media_url + "&rn=" + std::to_string(rn) + "&rbuf=" + std::to_string(rbuf);
+        std::string url = media_url;;
         std::vector<const char*> args = { "curl",
-            //"-H", "Accept-Language: en-US,en;q=0.5", "-H", "Connection: keep-alive",
+            "-H", "Accept-Language: en-US,en;q=0.5", "-H", "Connection: keep-alive",
             "--no-buffer",
             "-H", "user-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36",
             "-g", "-s", "-L", "-f" };
@@ -72,9 +72,6 @@ namespace QuickMedia {
             return false;
         }
 
-        ++rn;
-        rbuf += 3000;
-        if(rbuf > 75000) rbuf = 75000;
         return true;
     }
 
-- 
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