From 1cf207de076c97f3fd0e039ff30fb6af5ad07c8c Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Sat, 27 Dec 2025 21:07:04 -0600
Subject: [PATCH] Allow overriding FFmpeg AVOptions via environment variable

---
 app/streaming/video/ffmpeg.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/app/streaming/video/ffmpeg.cpp b/app/streaming/video/ffmpeg.cpp
index eab0f0f1..66c52b4e 100644
--- a/app/streaming/video/ffmpeg.cpp
+++ b/app/streaming/video/ffmpeg.cpp
@@ -539,6 +539,16 @@ bool FFmpegVideoDecoder::completeInitialization(const AVCodec* decoder, enum AVP
         return false;
     }
 
+    QString optionVarName = QString("%1_AVOPTIONS").arg(decoder->name).toUpper();
+    QByteArray optionVarValue = qgetenv(optionVarName.toUtf8());
+    if (!optionVarValue.isNull()) {
+        SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
+                    "Applying FFmpeg option overrides for %s: %s",
+                    decoder->name,
+                    optionVarValue.constData());
+        av_dict_parse_string(&options, optionVarValue, "=", ":", 0);
+    }
+
     // Nobody must override our ffGetFormat
     SDL_assert(m_VideoDecoderCtx->get_format == ffGetFormat);