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Video: Automatically use different presets based on video size

This commit is contained in:
Jeffrey Pfau 2014-11-14 03:53:30 -08:00
parent 8607275f9f
commit 97f2594ec9
1 changed files with 8 additions and 0 deletions
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8
src/platform/ffmpeg/ffmpeg-encoder.c
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@ -234,6 +234,14 @@ bool FFmpegEncoderOpen(struct FFmpegEncoder* encoder, const char* outfile) {
encoder->video->flags |= CODEC_FLAG_GLOBAL_HEADER;
}
if (strcmp(vcodec->name, "libx264") == 0) {
// Try to adaptively figure out when you can use a slower encoder
if (encoder->width * encoder->height > 1000000) {
av_opt_set(encoder->video->priv_data, "preset", "superfast", 0);
} else if (encoder->width * encoder->height > 500000) {
av_opt_set(encoder->video->priv_data, "preset", "veryfast", 0);
} else {
av_opt_set(encoder->video->priv_data, "preset", "faster", 0);
}
av_opt_set(encoder->video->priv_data, "tune", "zerolatency", 0);
}
avcodec_open2(encoder->video, vcodec, 0);