On 15.07.2020 16:34, wangbin wrote:
From: wang-bin <wbse...@gmail.com>
---
libavcodec/nvenc.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index cec59f02f3..c421c292c8 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -1248,11 +1248,12 @@ static av_cold int nvenc_setup_encoder(AVCodecContext
*avctx)
#ifdef NVENC_HAVE_NEW_PRESETS
ctx->init_encode_params.tuningInfo = ctx->tuning_info;
- nv_status = p_nvenc->nvEncGetEncodePresetConfigEx(ctx->nvencoder,
- ctx->init_encode_params.encodeGUID,
- ctx->init_encode_params.presetGUID,
- ctx->init_encode_params.tuningInfo,
- &preset_config);
+ if (p_nvenc->nvEncGetEncodePresetConfigEx)
+ nv_status = p_nvenc->nvEncGetEncodePresetConfigEx(ctx->nvencoder,
+ ctx->init_encode_params.encodeGUID,
+ ctx->init_encode_params.presetGUID,
+ ctx->init_encode_params.tuningInfo,
+ &preset_config);
#endif
} else {
#ifdef NVENC_HAVE_NEW_PRESETS
Same here. Just not calling that function will lead to weird behaviour
down the chain.
Needs proper handling plus error message.
This will also be the case for a lot of failure cases where non-existent
parameters for the old version are passed to the older driver.
Like, newer profiles, entire new options, ...
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