PapaTutuWawa/gpu-screen-recorder
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Improve video quality

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This commit is contained in:
dec05eba 2020-07-03 02:35:35 +02:00
parent 5bfbdec58f
commit ef3767d750
1 changed files with 3 additions and 4 deletions
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7
src/main.cpp
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@ -377,7 +377,7 @@ static AVStream *add_video_stream(AVFormatContext *av_format_context, AVCodec **
fprintf(stderr, "codec id: %d\n", (*codec)->id);
codec_context->width = window_pixmap.texture_width & ~1;
codec_context->height = window_pixmap.texture_height & ~1;
codec_context->bit_rate = 3000000 + (codec_context->width * codec_context->height) / 2; //5000000 * ((double)fps / 30.0) + (codec_context->width * codec_context->height) / 2;
codec_context->bit_rate = 3500000 + (codec_context->width * codec_context->height) / 2; //5000000 * ((double)fps / 30.0) + (codec_context->width * codec_context->height) / 2;
// Timebase: This is the fundamental unit of time (in seconds) in terms
// of which frame timestamps are represented. For fixed-fps content,
// timebase should be 1/framerate and timestamp increments should be
@ -388,8 +388,7 @@ static AVStream *add_video_stream(AVFormatContext *av_format_context, AVCodec **
// codec_context->framerate.den = 1;
codec_context->sample_aspect_ratio.num = 1;
codec_context->sample_aspect_ratio.den = 1;
codec_context->gop_size =
32; // Emit one intra frame every 32 frames at most
codec_context->gop_size = fps * 2;
codec_context->max_b_frames = 2;
codec_context->pix_fmt = AV_PIX_FMT_CUDA;
if (codec_context->codec_id == AV_CODEC_ID_MPEG1VIDEO)
@ -753,7 +752,7 @@ int main(int argc, char **argv) {
// res = cuGraphicsUnmapResources(1, &cuda_graphics_resource, 0);
double start_time = glfwGetTime();
double frame_timer_start = start_time - target_fps - 0.001;
double frame_timer_start = start_time;
double window_resize_timer = start_time;
bool window_resized = false;
int fps_counter = 0;