From 1ca4dcfbdb38a41316b6013cb4090ecf03bf4994 Mon Sep 17 00:00:00 2001 From: dec05eba Date: Tue, 11 Oct 2022 02:47:17 +0200 Subject: Tune quality again, remove vbr --- src/main.cpp | 96 +++++++++++++++++++++++++++++------------------------------- 1 file changed, 46 insertions(+), 50 deletions(-) (limited to 'src') diff --git a/src/main.cpp b/src/main.cpp index e036e82..3d62c1e 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -349,6 +349,7 @@ static bool recreate_window_pixmap(Display *dpy, Window window_id, fprintf(stderr, "Warning: failed to get texture size. You are probably trying to record a window with client-side decorations (using GNOME?). Trying to fallback to recording the compositor proxy window\n"); XCompositeRedirectWindow(dpy, compositor_window, CompositeRedirectAutomatic); + // TODO: Target texture should be the same size as the target window, not the size of the composite window if(recreate_window_pixmap(dpy, compositor_window, pixmap, false)) { pixmap.composite_window = compositor_window; pixmap.texture_width = attr.width; @@ -645,29 +646,24 @@ static AVCodecContext *create_video_codec_context(AVFormatContext *av_format_con codec_context->codec_tag = MKTAG('h', 'v', 'c', '1'); switch(video_quality) { case VideoQuality::MEDIUM: - codec_context->bit_rate = 6500000 + (codec_context->width * codec_context->height)*0.75; - /* - if(use_hevc) { - codec_context->qmin = 20; - codec_context->qmax = 35; - } else { - codec_context->qmin = 5; - codec_context->qmax = 20; - } - */ - //av_opt_set(codec_context->priv_data, "preset", "slow", 0); - //av_opt_set(codec_context->priv_data, "profile", "high", 0); - //codec_context->profile = FF_PROFILE_H264_HIGH; - //av_opt_set(codec_context->priv_data, "preset", "p4", 0); + //codec_context->qmin = 35; + //codec_context->qmax = 35; + codec_context->bit_rate = 100000;//4500000 + (codec_context->width * codec_context->height)*0.75; break; case VideoQuality::HIGH: - codec_context->bit_rate = 10000000-5000000 + (codec_context->width * codec_context->height)*0.75; + //codec_context->qmin = 34; + //codec_context->qmax = 34; + codec_context->bit_rate = 100000;//10000000-9000000 + (codec_context->width * codec_context->height)*0.75; break; case VideoQuality::VERY_HIGH: - codec_context->bit_rate = 10000000-5000000 + (codec_context->width * codec_context->height)*0.75; + //codec_context->qmin = 28; + //codec_context->qmax = 28; + codec_context->bit_rate = 100000;//10000000-9000000 + (codec_context->width * codec_context->height)*0.75; break; case VideoQuality::ULTRA: - codec_context->bit_rate = 10000000-5000000 + (codec_context->width * codec_context->height)*0.75; + //codec_context->qmin = 22; + //codec_context->qmax = 22; + codec_context->bit_rate = 100000;//10000000-9000000 + (codec_context->width * codec_context->height)*0.75; break; } //codec_context->profile = FF_PROFILE_H264_MAIN; @@ -693,9 +689,9 @@ static AVCodecContext *create_video_codec_context(AVFormatContext *av_format_con codec_context->bit_rate = 0; #endif - codec_context->rc_max_rate = codec_context->bit_rate; - codec_context->rc_min_rate = codec_context->bit_rate; - codec_context->rc_buffer_size = codec_context->bit_rate / 10; + //codec_context->rc_max_rate = codec_context->bit_rate; + //codec_context->rc_min_rate = codec_context->bit_rate; + //codec_context->rc_buffer_size = codec_context->bit_rate / 10; av_format_context->flags |= AV_CODEC_FLAG_GLOBAL_HEADER; codec_context->flags |= AV_CODEC_FLAG_GLOBAL_HEADER; @@ -796,28 +792,27 @@ static void open_video(AVCodecContext *codec_context, AVDictionary *options = nullptr; switch(video_quality) { case VideoQuality::MEDIUM: - av_dict_set_int(&options, "qp", 35, 0); - av_dict_set(&options, "rc", "vbr", 0); - //av_dict_set(&options, "preset", "hq", 0); + av_dict_set_int(&options, "qp", 40, 0); break; case VideoQuality::HIGH: - av_dict_set_int(&options, "qp", 34, 0); - //av_dict_set(&options, "preset", "hq", 0); + av_dict_set_int(&options, "qp", 35, 0); break; case VideoQuality::VERY_HIGH: - av_dict_set_int(&options, "qp", 28, 0); - //av_dict_set(&options, "preset", "hq", 0); + av_dict_set_int(&options, "qp", 30, 0); break; case VideoQuality::ULTRA: - av_dict_set_int(&options, "qp", 22, 0); - //av_dict_set(&options, "preset", "slow", 0); + av_dict_set_int(&options, "qp", 24, 0); break; } - if(is_livestream) { - av_dict_set_int(&options, "zerolatency", 1, 0); - //av_dict_set(&options, "preset", "llhq", 0); - } + //if(is_livestream) { + // av_dict_set_int(&options, "zerolatency", 1, 0); + // //av_dict_set(&options, "preset", "llhq", 0); + //} + + av_dict_set(&options, "preset", "p7", 0); + av_dict_set(&options, "tune", "hq", 0); + av_dict_set(&options, "rc", "constqp", 0); ret = avcodec_open2(codec_context, codec_context->codec, &options); if (ret < 0) { @@ -866,7 +861,7 @@ static void usage() { fprintf(stderr, " -r Replay buffer size in seconds. If this is set, then only the last seconds as set by this option will be stored" " and the video will only be saved when the gpu-screen-recorder is closed. This feature is similar to Nvidia's instant replay feature." " This option has be between 5 and 1200. Note that the replay buffer size will not always be precise, because of keyframes. Optional, disabled by default.\n"); - fprintf(stderr, " -k Codec to use. Should be either 'h264' or 'h265'. Defaults to 'h264' unless recording at a higher resolution than 3840x2160. Forcefully set to 'h264' if -c is 'flv.\n"); + fprintf(stderr, " -k Codec to use. Should be either 'auto', 'h264' or 'h265'. Defaults to 'auto' which defaults to 'h265' unless recording at a higher resolution than 60. Forcefully set to 'h264' if -c is 'flv'.\n"); fprintf(stderr, " -o The output file path. If omitted then the encoded data is sent to stdout. Required in replay mode (when using -r). In replay mode this has to be an existing directory instead of a file.\n"); fprintf(stderr, "NOTES:\n"); fprintf(stderr, " Send signal SIGINT (Ctrl+C) to gpu-screen-recorder to stop and save the recording (when not using replay mode).\n"); @@ -1139,15 +1134,16 @@ int main(int argc, char **argv) { VideoCodec video_codec; const char *codec_to_use = args["-k"].value(); - if(codec_to_use) { - if(strcmp(codec_to_use, "h264") == 0) { - video_codec = VideoCodec::H264; - } else if(strcmp(codec_to_use, "h265") == 0) { - video_codec = VideoCodec::H265; - } else { - fprintf(stderr, "Error: -k should either be either 'h264' or 'h265', got: '%s'\n", codec_to_use); - usage(); - } + if(!codec_to_use) + codec_to_use = "auto"; + + if(strcmp(codec_to_use, "h264") == 0) { + video_codec = VideoCodec::H264; + } else if(strcmp(codec_to_use, "h265") == 0) { + video_codec = VideoCodec::H265; + } else if(strcmp(codec_to_use, "auto") != 0) { + fprintf(stderr, "Error: -k should either be either 'auto', 'h264' or 'h265', got: '%s'\n", codec_to_use); + usage(); } const Arg &audio_input_arg = args["-a"]; @@ -1405,18 +1401,18 @@ int main(int argc, char **argv) { window_pixmap.texture_height = window_height; } - if(!codec_to_use) { + if(strcmp(codec_to_use, "auto") == 0) { // h265 generally allows recording at a higher resolution than h264 on nvidia cards. On a gtx 1080 4k is the max resolution for h264 but for h265 it's 8k. // Another important info is that when recording at a higher fps than.. 60? h265 has very bad performance. For example when recording at 144 fps the fps drops to 1 // while with h264 the fps doesn't drop. - if(window_width > 3840 || window_height > 2160) { - fprintf(stderr, "Info: using h265 encoder because a codec was not specified and resolution width is more than 3840 or height is more than 2160\n"); - codec_to_use = "h265"; - video_codec = VideoCodec::H265; - } else { - fprintf(stderr, "Info: using h264 encoder because a codec was not specified\n"); + if(fps > 60) { + fprintf(stderr, "Info: using h264 encoder because a codec was not specified and fps is more than 60\n"); codec_to_use = "h264"; video_codec = VideoCodec::H264; + } else { + fprintf(stderr, "Info: using h265 encoder because a codec was not specified\n"); + codec_to_use = "h265"; + video_codec = VideoCodec::H265; } } -- cgit v1.2.3