From ddeac3201c3870e1a577a63ef4ab7625e833ed4c Mon Sep 17 00:00:00 2001
From: Stephen Seo <seo.disparate@gmail.com>
Date: Sun, 5 Dec 2021 19:54:13 +0900
Subject: [PATCH] Tweak encoding params for better quality video

---
 src/video.cc | 1 +
 src/video.h  | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/video.cc b/src/video.cc
index 7b4056d..c378471 100644
--- a/src/video.cc
+++ b/src/video.cc
@@ -213,6 +213,7 @@ bool Video::DitherVideo(const std::string &output_filename, Image *blue_noise,
     enc_stream->time_base = time_base;
     enc_codec_context->time_base = time_base;
     enc_codec_context->gop_size = 12;
+    enc_codec_context->global_quality = 23;
     enc_codec_context->pix_fmt = AVPixelFormat::AV_PIX_FMT_YUV444P;
     if (avf_enc_context->oformat->flags & AVFMT_GLOBALHEADER) {
       enc_codec_context->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
diff --git a/src/video.h b/src/video.h
index ebfc7d0..3d060bb 100644
--- a/src/video.h
+++ b/src/video.h
@@ -16,7 +16,7 @@ constexpr unsigned int kReadBufPaddingSize = AV_INPUT_BUFFER_PADDING_SIZE;
 constexpr unsigned int kReadBufSizeWithPadding =
     kReadBufSize + kReadBufPaddingSize;
 
-constexpr unsigned int kOutputBitrate = 40000000;
+constexpr unsigned int kOutputBitrate = 80000000;
 
 /*!
  * \brief Helper class that uses Image and OpenCLHandle to dither video frames.