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avcodec/nvdec: warn about thread count if applicable

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This commit is contained in:
Timo Rothenpieler 2017-11-12 18:09:31 +01:00
parent f3f73f0893
commit 538de4354d
1 changed files with 8 additions and 1 deletions
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9
libavcodec/nvdec.c
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@ -292,8 +292,15 @@ int ff_nvdec_decode_init(AVCodecContext *avctx)
params.ulNumOutputSurfaces = 1;
ret = nvdec_decoder_create(&ctx->decoder_ref, frames_ctx->device_ref, &params, avctx);
if (ret < 0)
if (ret < 0) {
if (params.ulNumDecodeSurfaces > 32) {
av_log(avctx, AV_LOG_WARNING, "Using more than 32 (%d) decode surfaces might cause nvdec to fail.\n",
(int)params.ulNumDecodeSurfaces);
av_log(avctx, AV_LOG_WARNING, "Try lowering the amount of threads. Using %d right now.\n",
avctx->thread_count);
}
return ret;
}
pool = av_mallocz(sizeof(*pool));
if (!pool) {