PapaTutuWawa/gpu-screen-recorder
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Better tune quality options for different resolutions

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This commit is contained in:
dec05eba 2022-10-08 10:13:59 +02:00
parent 88d06478d3
commit 1a4e0aff72
1 changed files with 7 additions and 8 deletions
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15
src/main.cpp
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@ -645,7 +645,7 @@ static AVCodecContext *create_video_codec_context(AVFormatContext *av_format_con
codec_context->codec_tag = MKTAG('h', 'v', 'c', '1'); codec_context->codec_tag = MKTAG('h', 'v', 'c', '1');
switch(video_quality) { switch(video_quality) {
case VideoQuality::MEDIUM: case VideoQuality::MEDIUM:
codec_context->bit_rate = 4500000 + (codec_context->width * codec_context->height) / 2; codec_context->bit_rate = 6500000 + (codec_context->width * codec_context->height)*0.75;
/* /*
if(use_hevc) { if(use_hevc) {
codec_context->qmin = 20; codec_context->qmin = 20;
@ -661,13 +661,13 @@ static AVCodecContext *create_video_codec_context(AVFormatContext *av_format_con
//av_opt_set(codec_context->priv_data, "preset", "p4", 0); //av_opt_set(codec_context->priv_data, "preset", "p4", 0);
break; break;
case VideoQuality::HIGH: case VideoQuality::HIGH:
codec_context->bit_rate = 8000000 + (codec_context->width * codec_context->height) / 2; codec_context->bit_rate = 10000000-5000000 + (codec_context->width * codec_context->height)*0.75;
break; break;
case VideoQuality::VERY_HIGH: case VideoQuality::VERY_HIGH:
codec_context->bit_rate = 10000000 + (codec_context->width * codec_context->height) / 2; codec_context->bit_rate = 10000000-5000000 + (codec_context->width * codec_context->height)*0.75;
break; break;
case VideoQuality::ULTRA: case VideoQuality::ULTRA:
codec_context->bit_rate = 12500000 + (codec_context->width * codec_context->height) / 2; codec_context->bit_rate = 10000000-5000000 + (codec_context->width * codec_context->height)*0.75;
break; break;
} }
//codec_context->profile = FF_PROFILE_H264_MAIN; //codec_context->profile = FF_PROFILE_H264_MAIN;
@ -797,10 +797,11 @@ static void open_video(AVCodecContext *codec_context,
switch(video_quality) { switch(video_quality) {
case VideoQuality::MEDIUM: case VideoQuality::MEDIUM:
av_dict_set_int(&options, "qp", 35, 0); 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(&options, "preset", "hq", 0);
break; break;
case VideoQuality::HIGH: case VideoQuality::HIGH:
av_dict_set_int(&options, "qp", 31, 0); av_dict_set_int(&options, "qp", 34, 0);
//av_dict_set(&options, "preset", "hq", 0); //av_dict_set(&options, "preset", "hq", 0);
break; break;
case VideoQuality::VERY_HIGH: case VideoQuality::VERY_HIGH:
@ -808,7 +809,7 @@ static void open_video(AVCodecContext *codec_context,
//av_dict_set(&options, "preset", "hq", 0); //av_dict_set(&options, "preset", "hq", 0);
break; break;
case VideoQuality::ULTRA: case VideoQuality::ULTRA:
av_dict_set_int(&options, "qp", 18, 0); av_dict_set_int(&options, "qp", 22, 0);
//av_dict_set(&options, "preset", "slow", 0); //av_dict_set(&options, "preset", "slow", 0);
break; break;
} }
@ -818,8 +819,6 @@ static void open_video(AVCodecContext *codec_context,
//av_dict_set(&options, "preset", "llhq", 0); //av_dict_set(&options, "preset", "llhq", 0);
} }
av_dict_set(&options, "rc", "vbr", 0);
ret = avcodec_open2(codec_context, codec_context->codec, &options); ret = avcodec_open2(codec_context, codec_context->codec, &options);
if (ret < 0) { if (ret < 0) {
fprintf(stderr, "Error: Could not open video codec: %s\n", fprintf(stderr, "Error: Could not open video codec: %s\n",