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obs-ffmpeg: Use NVENC preset lookahead length

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If the preset specifies the lookahead length, use it. Force to previous
setting of 8 otherwise.
This commit is contained in:
jpark37 2021-03-16 19:29:45 -07:00
parent 6826285921
commit f35e37a963
1 changed files with 7 additions and 3 deletions
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10
plugins/obs-ffmpeg/jim-nvenc.c
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@ -468,10 +468,14 @@ static bool init_encoder(struct nvenc_data *enc, obs_data_t *settings)
enc->bframes = bf;
/* lookahead */
const bool use_profile_lookahead = config->rcParams.enableLookahead;
lookahead = nv_get_cap(enc, NV_ENC_CAPS_SUPPORT_LOOKAHEAD) &&
(lookahead || config->rcParams.enableLookahead);
if (lookahead)
enc->rc_lookahead = 8;
(lookahead || use_profile_lookahead);
if (lookahead) {
enc->rc_lookahead = use_profile_lookahead
? config->rcParams.lookaheadDepth
: 8;
}
int buf_count = max(4, config->frameIntervalP * 2 * 2);
if (lookahead) {