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nvenc: flush the encoder before closing it, as required by the docs
Otherwise, closing the encoder can crash.
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@ -825,6 +825,14 @@ av_cold int ff_nvenc_encode_close(AVCodecContext *avctx)
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NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
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int i;
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/* the encoder has to be flushed before it can be closed */
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if (ctx->nvenc_ctx) {
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NV_ENC_PIC_PARAMS params = { .version = NV_ENC_PIC_PARAMS_VER,
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.encodePicFlags = NV_ENC_PIC_FLAG_EOS };
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nv->nvEncEncodePicture(ctx->nvenc_ctx, ¶ms);
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}
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av_fifo_free(ctx->timestamps);
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av_fifo_free(ctx->pending);
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av_fifo_free(ctx->ready);
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