Although VAEntrypointEncSliceLP was added in old version of VAAPI, we
never implemented it for VAAPI H265 encoder before. so it is reasonable
to require VAAPI 1.0
Signed-off-by: Haihao Xiang <haihao.xi...@intel.com>
---
libavcodec/vaapi_encode_h265.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/libavcodec/vaapi_encode_h265.c b/libavcodec/vaapi_encode_h265.c
index f3b4f6c7e26..efe1148127f 100644
--- a/libavcodec/vaapi_encode_h265.c
+++ b/libavcodec/vaapi_encode_h265.c
@@ -65,6 +65,7 @@ typedef struct VAAPIEncodeH265Options {
int aud;
int profile;
int level;
+ int low_power;
} VAAPIEncodeH265Options;
@@ -914,7 +915,18 @@ static av_cold int vaapi_encode_h265_init(AVCodecContext
*avctx)
avctx->profile);
return AVERROR(EINVAL);
}
- ctx->va_entrypoint = VAEntrypointEncSlice;
+
+ if (opt->low_power) {
+#if VA_CHECK_VERSION(1, 0, 0)
+ ctx->va_entrypoint = VAEntrypointEncSliceLP;
+#else
+ av_log(avctx, AV_LOG_ERROR, "Low-power encoding is not "
+ "supported with this VAAPI version.\n");
+ return AVERROR(EINVAL);
+#endif
+ } else {
+ ctx->va_entrypoint = VAEntrypointEncSlice;
+ }
if (avctx->bit_rate > 0) {
if (avctx->rc_max_rate == avctx->bit_rate)
@@ -986,6 +998,10 @@ static const AVOption vaapi_encode_h265_options[] = {
{ LEVEL("6.2", 186) },
#undef LEVEL
+ { "low_power", "Use low-power encoding mode (experimental: only supported "
+ "on some platforms, does not support all features)",
+ OFFSET(low_power), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
+
{ NULL },
};
--
2.14.1
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