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Code Issues Releases Activity

avcodec/nvenc: print minimum driver version on error

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This commit is contained in:
Timo Rothenpieler
2017-06-01 11:55:25 +02:00
parent 2d978d1c72
commit cb3358b68f
1 changed files with 14 additions and 1 deletions
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15
libavcodec/nvenc.c
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@@ -112,6 +112,16 @@ static int nvenc_print_error(void *log_ctx, NVENCSTATUS err,
return ret; return ret;
} }
static void nvenc_print_driver_requirement(AVCodecContext *avctx, int level)
{
#if defined(_WIN32) || defined(__CYGWIN__)
const char *minver = "378.66";
#else
const char *minver = "378.13";
#endif
av_log(avctx, level, "The minimum required Nvidia driver for nvenc is %s or newer\n", minver);
}
static av_cold int nvenc_load_libraries(AVCodecContext *avctx) static av_cold int nvenc_load_libraries(AVCodecContext *avctx)
{ {
NvencContext *ctx = avctx->priv_data; NvencContext *ctx = avctx->priv_data;
@@ -125,8 +135,10 @@ static av_cold int nvenc_load_libraries(AVCodecContext *avctx)
return ret; return ret;
ret = nvenc_load_functions(&dl_fn->nvenc_dl); ret = nvenc_load_functions(&dl_fn->nvenc_dl);
if (ret < 0) if (ret < 0) {
nvenc_print_driver_requirement(avctx, AV_LOG_ERROR);
return ret; return ret;
}
err = dl_fn->nvenc_dl->NvEncodeAPIGetMaxSupportedVersion(&nvenc_max_ver); err = dl_fn->nvenc_dl->NvEncodeAPIGetMaxSupportedVersion(&nvenc_max_ver);
if (err != NV_ENC_SUCCESS) if (err != NV_ENC_SUCCESS)
@@ -139,6 +151,7 @@ static av_cold int nvenc_load_libraries(AVCodecContext *avctx)
"Required: %d.%d Found: %d.%d\n", "Required: %d.%d Found: %d.%d\n",
NVENCAPI_MAJOR_VERSION, NVENCAPI_MINOR_VERSION, NVENCAPI_MAJOR_VERSION, NVENCAPI_MINOR_VERSION,
nvenc_max_ver >> 4, nvenc_max_ver & 0xf); nvenc_max_ver >> 4, nvenc_max_ver & 0xf);
nvenc_print_driver_requirement(avctx, AV_LOG_ERROR);
return AVERROR(ENOSYS); return AVERROR(ENOSYS);
} }