From e1d5d4401f74051e747a6afb6be5d9becc4bda2a Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Mon, 23 Apr 2018 19:16:05 +0200
Subject: Revert to opengl_cb for mpv until render_gl becomes common

---
 src/Video.cpp | 41 ++++++++++++++++++-----------------------
 1 file changed, 18 insertions(+), 23 deletions(-)

(limited to 'src/Video.cpp')

diff --git a/src/Video.cpp b/src/Video.cpp
index 4ef16d6..681559f 100644
--- a/src/Video.cpp
+++ b/src/Video.cpp
@@ -1,6 +1,6 @@
 #include "../include/Video.hpp"
 #include <mpv/client.h>
-#include <mpv/render_gl.h>
+#include <mpv/opengl_cb.h>
 #include <clocale>
 
 #include <SFML/Config.hpp>
@@ -69,21 +69,17 @@ namespace dchat
         if(mpv_initialize(mpv) < 0)
             throw VideoInitializationException("Failed to initialize mpv");
         
-        mpv_opengl_init_params openglInitParams { .get_proc_address = getProcAddressMpv };
-        mpv_render_param params[] = 
-        {
-            { MPV_RENDER_PARAM_API_TYPE, (void*)MPV_RENDER_API_TYPE_OPENGL },
-            { MPV_RENDER_PARAM_OPENGL_INIT_PARAMS, &openglInitParams },
-            { (mpv_render_param_type)0, nullptr }
-        };
-        
-        if(mpv_render_context_create(&mpvGl, mpv, params) < 0)
-            throw VideoInitializationException("Failed to initialize mpv opengl render context");
-        
+        mpv_set_option_string(mpv, "vo", "opengl-cb");
+        mpv_set_option_string(mpv, "hwdec", "auto");
         if(loop)
             mpv_set_option_string(mpv, "loop", "inf");
-        mpv_set_option_string(mpv, "hwdec", "auto");
-        mpv_render_context_set_update_callback(mpvGl, onMpvRedraw, this);
+        mpvGl = (mpv_opengl_cb_context*)mpv_get_sub_api(mpv, MPV_SUB_API_OPENGL_CB);
+        if(!mpvGl)
+            throw VideoInitializationException("Failed to initialize mpv opengl render context");
+        
+        mpv_opengl_cb_set_update_callback(mpvGl, onMpvRedraw, this);
+        if(mpv_opengl_cb_init_gl(mpvGl, nullptr, getProcAddressMpv, nullptr) < 0)
+            throw VideoInitializationException("Failed to initialize mpv gl callback func");
         
         renderThread = thread([this, width, height]()
         {
@@ -102,19 +98,14 @@ namespace dchat
                 if(redrawCounter > 0)
                 {
                     --redrawCounter;
-                    mpv_opengl_fbo openglFbo { .fbo = 0, .w = (int)width, .h = (int)height };
-                    mpv_render_param params[] = 
-                    {
-                        { MPV_RENDER_PARAM_OPENGL_FBO, &openglFbo },
-                        { (mpv_render_param_type)0, nullptr }
-                    };
-                    
                     context.setActive(true);
                     renderMutex.lock();
-                    mpv_render_context_render(mpvGl, params);
+                    //mpv_render_context_render(mpvGl, params);
+                    mpv_opengl_cb_draw(mpvGl, 0, width, height);
                     glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, textureBuffer);
                     texture.update(textureBuffer);
                     sprite.setTexture(texture, true);
+                    mpv_opengl_cb_report_flip(mpvGl, 0);
                     renderMutex.unlock();
                 }
                 this_thread::sleep_for(chrono::milliseconds(10));
@@ -130,8 +121,12 @@ namespace dchat
     Video::~Video()
     {
         lock_guard<mutex> lock(renderMutex);
+        context.setActive(true);
+        if(mpvGl)
+            mpv_opengl_cb_set_update_callback(mpvGl, nullptr, nullptr);
+        
         delete[] textureBuffer;
-        mpv_render_context_free(mpvGl);
+        mpv_opengl_cb_uninit_gl(mpvGl);
         mpv_destroy(mpv);
         if(renderThread.joinable())
             renderThread.join();
-- 
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