diff options
| -rw-r--r-- | src/main.cpp | 64 |
1 files changed, 49 insertions, 15 deletions
diff --git a/src/main.cpp b/src/main.cpp index 316a5f2..8f12628 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -793,20 +793,54 @@ static void open_video(AVCodecContext *codec_context, codec_context->hw_device_ctx = *device_ctx; codec_context->hw_frames_ctx = frame_context; + bool supports_p4 = false; + bool supports_p7 = false; + + const AVOption *opt = nullptr; + while((opt = av_opt_next(codec_context->priv_data, opt))) { + if(opt->type == AV_OPT_TYPE_CONST) { + if(strcmp(opt->name, "p4") == 0) + supports_p4 = true; + else if(strcmp(opt->name, "p7") == 0) + supports_p7 = true; + } + } + AVDictionary *options = nullptr; - switch(video_quality) { - case VideoQuality::MEDIUM: - av_dict_set_int(&options, "qp", 40, 0); - break; - case VideoQuality::HIGH: - av_dict_set_int(&options, "qp", 35, 0); - break; - case VideoQuality::VERY_HIGH: - av_dict_set_int(&options, "qp", 30, 0); - break; - case VideoQuality::ULTRA: - av_dict_set_int(&options, "qp", 24, 0); - break; + if(very_old_gpu || !supports_p7) { + switch(video_quality) { + case VideoQuality::MEDIUM: + av_dict_set_int(&options, "qp", 37, 0); + break; + case VideoQuality::HIGH: + av_dict_set_int(&options, "qp", 32, 0); + break; + case VideoQuality::VERY_HIGH: + av_dict_set_int(&options, "qp", 27, 0); + break; + case VideoQuality::ULTRA: + av_dict_set_int(&options, "qp", 21, 0); + break; + } + } else { + switch(video_quality) { + case VideoQuality::MEDIUM: + av_dict_set_int(&options, "qp", 40, 0); + break; + case VideoQuality::HIGH: + av_dict_set_int(&options, "qp", 35, 0); + break; + case VideoQuality::VERY_HIGH: + av_dict_set_int(&options, "qp", 30, 0); + break; + case VideoQuality::ULTRA: + av_dict_set_int(&options, "qp", 24, 0); + break; + } + } + + if(!supports_p4 && !supports_p7) { + fprintf(stderr, "Info: your ffmpeg version is outdated. It's recommended that you use the flatpak version of gpu-screen-recorder version instead, which you can find at https://flathub.org/apps/details/com.dec05eba.gpu_screen_recorder\n"); } //if(is_livestream) { @@ -819,9 +853,9 @@ static void open_video(AVCodecContext *codec_context, // with pretty good performance but you now have to choose p1-p7, which are gpu agnostic and on // older gpus p5-p7 slow the gpu down to a crawl... // "hq" is now just an alias for p7 in ffmpeg :( - if(very_old_gpu) + if(very_old_gpu && supports_p4) av_dict_set(&options, "preset", "p4", 0); - else + else if(supports_p7) av_dict_set(&options, "preset", "p7", 0); av_dict_set(&options, "tune", "hq", 0); av_dict_set(&options, "rc", "constqp", 0); |