Hi,
this will add support for b_adapt for HEVC encoder, now Turing HEVC
NVENC with SDK 9.0 also supports B-frames and this option is in default
mode disabled. Enable it by default, because it could add around 0.02
PSNR for free.
--
Miroslav Slugeň
+420 724 825 885
diff --git a/libavcodec/nvenc_hevc.c b/libavcodec/nvenc_hevc.c
index d567d960ba..19c04e4aa7 100644
--- a/libavcodec/nvenc_hevc.c
+++ b/libavcodec/nvenc_hevc.c
@@ -95,6 +95,8 @@ static const AVOption options[] = {
OFFSET(no_scenecut), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
{ "forced-idr", "If forcing keyframes, force them as IDR frames.",
OFFSET(forced_idr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, -1, 1, VE },
+ { "b_adapt", "When lookahead is enabled, set this to 0 to disable adaptive B-frame decision",
+ OFFSET(b_adapt), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
{ "spatial_aq", "set to 1 to enable Spatial AQ", OFFSET(aq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
{ "temporal_aq", "set to 1 to enable Temporal AQ", OFFSET(temporal_aq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
{ "zerolatency", "Set 1 to indicate zero latency operation (no reordering delay)",
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