PapaTutuWawa/gpu-screen-recorder
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Go all out on quality..

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This commit is contained in:
dec05eba 2020-08-30 06:17:38 +02:00
parent 6fadab748d
commit fabeb1707f
1 changed files with 13 additions and 12 deletions
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25
src/main.cpp
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@ -436,7 +436,7 @@ static AVStream *add_video_stream(AVFormatContext *av_format_context, AVCodec **
fprintf(stderr, "codec id: %d\n", (*codec)->id); fprintf(stderr, "codec id: %d\n", (*codec)->id);
codec_context->width = window_pixmap.texture_width & ~1; codec_context->width = window_pixmap.texture_width & ~1;
codec_context->height = window_pixmap.texture_height & ~1; codec_context->height = window_pixmap.texture_height & ~1;
codec_context->bit_rate = 4000000 + (codec_context->width * codec_context->height) / 2; codec_context->bit_rate = 7500000 + (codec_context->width * codec_context->height) / 2;
// Timebase: This is the fundamental unit of time (in seconds) in terms // Timebase: This is the fundamental unit of time (in seconds) in terms
// of which frame timestamps are represented. For fixed-fps content, // of which frame timestamps are represented. For fixed-fps content,
// timebase should be 1/framerate and timestamp increments should be // timebase should be 1/framerate and timestamp increments should be
@ -447,24 +447,25 @@ static AVStream *add_video_stream(AVFormatContext *av_format_context, AVCodec **
// codec_context->framerate.den = 1; // codec_context->framerate.den = 1;
codec_context->sample_aspect_ratio.num = 0; codec_context->sample_aspect_ratio.num = 0;
codec_context->sample_aspect_ratio.den = 0; codec_context->sample_aspect_ratio.den = 0;
codec_context->gop_size = 40;//fps * 2; codec_context->gop_size = fps * 2;
codec_context->max_b_frames = 2; codec_context->max_b_frames = 2;
codec_context->pix_fmt = AV_PIX_FMT_CUDA; codec_context->pix_fmt = AV_PIX_FMT_CUDA;
codec_context->color_range = AVCOL_RANGE_JPEG; codec_context->color_range = AVCOL_RANGE_JPEG;
switch(video_quality) { switch(video_quality) {
case VideoQuality::HIGH: case VideoQuality::HIGH:
codec_context->qmin = 18; codec_context->qmin = 10;
codec_context->qmax = 27; codec_context->qmax = 15;
av_opt_set(codec_context->priv_data, "preset", "slow", 0); //av_opt_set(codec_context->priv_data, "preset", "slow", 0);
av_opt_set(codec_context->priv_data, "profile", "high", 0); //av_opt_set(codec_context->priv_data, "profile", "high", 0);
codec_context->profile = FF_PROFILE_H264_HIGH; //codec_context->profile = FF_PROFILE_H264_HIGH;
break; break;
case VideoQuality::ULTRA: case VideoQuality::ULTRA:
codec_context->qmin = 16; codec_context->bit_rate = 10000000 + (codec_context->width * codec_context->height) / 2;
codec_context->qmax = 26; codec_context->qmin = 10;
av_opt_set(codec_context->priv_data, "preset", "slow", 0); codec_context->qmax = 15;
av_opt_set(codec_context->priv_data, "profile", "high", 0); //av_opt_set(codec_context->priv_data, "preset", "veryslow", 0);
codec_context->profile = FF_PROFILE_H264_HIGH; //av_opt_set(codec_context->priv_data, "profile", "high", 0);
//codec_context->profile = FF_PROFILE_H264_HIGH;
break; break;
} }
stream->time_base = codec_context->time_base; stream->time_base = codec_context->time_base;